forked from mirrors/linux
		
	This patch is originally From: Jesper Juhl <juhl-lkml@dif.dk> This patch gets rid of redundant NULL checks prior to calling kfree() in drivers/message/* There are also a few small whitespace changes in there. Signed-off-by: Eric Moore <Eric.Moore@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
		
			
				
	
	
		
			5845 lines
		
	
	
	
		
			162 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			5845 lines
		
	
	
	
		
			162 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 *  linux/drivers/message/fusion/mptbase.c
 | 
						|
 *      This is the Fusion MPT base driver which supports multiple
 | 
						|
 *      (SCSI + LAN) specialized protocol drivers.
 | 
						|
 *      For use with LSI Logic PCI chip/adapter(s)
 | 
						|
 *      running LSI Logic Fusion MPT (Message Passing Technology) firmware.
 | 
						|
 *
 | 
						|
 *  Copyright (c) 1999-2005 LSI Logic Corporation
 | 
						|
 *  (mailto:mpt_linux_developer@lsil.com)
 | 
						|
 *
 | 
						|
 */
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
    This program is free software; you can redistribute it and/or modify
 | 
						|
    it under the terms of the GNU General Public License as published by
 | 
						|
    the Free Software Foundation; version 2 of the License.
 | 
						|
 | 
						|
    This program is distributed in the hope that it will be useful,
 | 
						|
    but WITHOUT ANY WARRANTY; without even the implied warranty of
 | 
						|
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 | 
						|
    GNU General Public License for more details.
 | 
						|
 | 
						|
    NO WARRANTY
 | 
						|
    THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
 | 
						|
    CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
 | 
						|
    LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
 | 
						|
    MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
 | 
						|
    solely responsible for determining the appropriateness of using and
 | 
						|
    distributing the Program and assumes all risks associated with its
 | 
						|
    exercise of rights under this Agreement, including but not limited to
 | 
						|
    the risks and costs of program errors, damage to or loss of data,
 | 
						|
    programs or equipment, and unavailability or interruption of operations.
 | 
						|
 | 
						|
    DISCLAIMER OF LIABILITY
 | 
						|
    NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
 | 
						|
    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 | 
						|
    DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
 | 
						|
    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
 | 
						|
    TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
 | 
						|
    USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
 | 
						|
    HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
 | 
						|
 | 
						|
    You should have received a copy of the GNU General Public License
 | 
						|
    along with this program; if not, write to the Free Software
 | 
						|
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 | 
						|
*/
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
 | 
						|
#include <linux/config.h>
 | 
						|
#include <linux/version.h>
 | 
						|
#include <linux/kernel.h>
 | 
						|
#include <linux/module.h>
 | 
						|
#include <linux/errno.h>
 | 
						|
#include <linux/init.h>
 | 
						|
#include <linux/slab.h>
 | 
						|
#include <linux/types.h>
 | 
						|
#include <linux/pci.h>
 | 
						|
#include <linux/kdev_t.h>
 | 
						|
#include <linux/blkdev.h>
 | 
						|
#include <linux/delay.h>
 | 
						|
#include <linux/interrupt.h>		/* needed for in_interrupt() proto */
 | 
						|
#include <linux/dma-mapping.h>
 | 
						|
#include <asm/io.h>
 | 
						|
#ifdef CONFIG_MTRR
 | 
						|
#include <asm/mtrr.h>
 | 
						|
#endif
 | 
						|
#ifdef __sparc__
 | 
						|
#include <asm/irq.h>			/* needed for __irq_itoa() proto */
 | 
						|
#endif
 | 
						|
 | 
						|
#include "mptbase.h"
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
#define my_NAME		"Fusion MPT base driver"
 | 
						|
#define my_VERSION	MPT_LINUX_VERSION_COMMON
 | 
						|
#define MYNAM		"mptbase"
 | 
						|
 | 
						|
MODULE_AUTHOR(MODULEAUTHOR);
 | 
						|
MODULE_DESCRIPTION(my_NAME);
 | 
						|
MODULE_LICENSE("GPL");
 | 
						|
 | 
						|
/*
 | 
						|
 *  cmd line parameters
 | 
						|
 */
 | 
						|
#ifdef MFCNT
 | 
						|
static int mfcounter = 0;
 | 
						|
#define PRINT_MF_COUNT 20000
 | 
						|
#endif
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *  Public data...
 | 
						|
 */
 | 
						|
int mpt_lan_index = -1;
 | 
						|
int mpt_stm_index = -1;
 | 
						|
 | 
						|
struct proc_dir_entry *mpt_proc_root_dir;
 | 
						|
 | 
						|
#define WHOINIT_UNKNOWN		0xAA
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *  Private data...
 | 
						|
 */
 | 
						|
					/* Adapter link list */
 | 
						|
LIST_HEAD(ioc_list);
 | 
						|
					/* Callback lookup table */
 | 
						|
static MPT_CALLBACK		 MptCallbacks[MPT_MAX_PROTOCOL_DRIVERS];
 | 
						|
					/* Protocol driver class lookup table */
 | 
						|
static int			 MptDriverClass[MPT_MAX_PROTOCOL_DRIVERS];
 | 
						|
					/* Event handler lookup table */
 | 
						|
static MPT_EVHANDLER		 MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 | 
						|
					/* Reset handler lookup table */
 | 
						|
static MPT_RESETHANDLER		 MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 | 
						|
static struct mpt_pci_driver 	*MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 | 
						|
 | 
						|
static int	mpt_base_index = -1;
 | 
						|
static int	last_drv_idx = -1;
 | 
						|
 | 
						|
static DECLARE_WAIT_QUEUE_HEAD(mpt_waitq);
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *  Forward protos...
 | 
						|
 */
 | 
						|
static irqreturn_t mpt_interrupt(int irq, void *bus_id, struct pt_regs *r);
 | 
						|
static int	mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
 | 
						|
static int	mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes,
 | 
						|
			u32 *req, int replyBytes, u16 *u16reply, int maxwait,
 | 
						|
			int sleepFlag);
 | 
						|
static int	mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag);
 | 
						|
static void	mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev);
 | 
						|
static void	mpt_adapter_disable(MPT_ADAPTER *ioc);
 | 
						|
static void	mpt_adapter_dispose(MPT_ADAPTER *ioc);
 | 
						|
 | 
						|
static void	MptDisplayIocCapabilities(MPT_ADAPTER *ioc);
 | 
						|
static int	MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag);
 | 
						|
//static u32	mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
 | 
						|
static int	GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason);
 | 
						|
static int	GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
 | 
						|
static int	SendIocInit(MPT_ADAPTER *ioc, int sleepFlag);
 | 
						|
static int	SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag);
 | 
						|
static int	mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag);
 | 
						|
static int	mpt_downloadboot(MPT_ADAPTER *ioc, int sleepFlag);
 | 
						|
static int	mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
 | 
						|
static int	KickStart(MPT_ADAPTER *ioc, int ignore, int sleepFlag);
 | 
						|
static int	SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag);
 | 
						|
static int	PrimeIocFifos(MPT_ADAPTER *ioc);
 | 
						|
static int	WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 | 
						|
static int	WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 | 
						|
static int	WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag);
 | 
						|
static int	GetLanConfigPages(MPT_ADAPTER *ioc);
 | 
						|
static int	GetFcPortPage0(MPT_ADAPTER *ioc, int portnum);
 | 
						|
static int	GetIoUnitPage2(MPT_ADAPTER *ioc);
 | 
						|
static int	mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
 | 
						|
static int	mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum);
 | 
						|
static void 	mpt_read_ioc_pg_1(MPT_ADAPTER *ioc);
 | 
						|
static void 	mpt_read_ioc_pg_4(MPT_ADAPTER *ioc);
 | 
						|
static void	mpt_timer_expired(unsigned long data);
 | 
						|
static int	SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch);
 | 
						|
static int	SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp);
 | 
						|
 | 
						|
#ifdef CONFIG_PROC_FS
 | 
						|
static int	procmpt_summary_read(char *buf, char **start, off_t offset,
 | 
						|
				int request, int *eof, void *data);
 | 
						|
static int	procmpt_version_read(char *buf, char **start, off_t offset,
 | 
						|
				int request, int *eof, void *data);
 | 
						|
static int	procmpt_iocinfo_read(char *buf, char **start, off_t offset,
 | 
						|
				int request, int *eof, void *data);
 | 
						|
#endif
 | 
						|
static void	mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc);
 | 
						|
 | 
						|
//int		mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 | 
						|
static int	ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply, int *evHandlers);
 | 
						|
static void	mpt_sp_ioc_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf);
 | 
						|
static void	mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info);
 | 
						|
static void	mpt_sp_log_info(MPT_ADAPTER *ioc, u32 log_info);
 | 
						|
 | 
						|
/* module entry point */
 | 
						|
static int  __init    fusion_init  (void);
 | 
						|
static void __exit    fusion_exit  (void);
 | 
						|
 | 
						|
#define CHIPREG_READ32(addr) 		readl_relaxed(addr)
 | 
						|
#define CHIPREG_READ32_dmasync(addr)	readl(addr)
 | 
						|
#define CHIPREG_WRITE32(addr,val) 	writel(val, addr)
 | 
						|
#define CHIPREG_PIO_WRITE32(addr,val)	outl(val, (unsigned long)addr)
 | 
						|
#define CHIPREG_PIO_READ32(addr) 	inl((unsigned long)addr)
 | 
						|
 | 
						|
static void
 | 
						|
pci_disable_io_access(struct pci_dev *pdev)
 | 
						|
{
 | 
						|
	u16 command_reg;
 | 
						|
 | 
						|
	pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
 | 
						|
	command_reg &= ~1;
 | 
						|
	pci_write_config_word(pdev, PCI_COMMAND, command_reg);
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
pci_enable_io_access(struct pci_dev *pdev)
 | 
						|
{
 | 
						|
	u16 command_reg;
 | 
						|
 | 
						|
	pci_read_config_word(pdev, PCI_COMMAND, &command_reg);
 | 
						|
	command_reg |= 1;
 | 
						|
	pci_write_config_word(pdev, PCI_COMMAND, command_reg);
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_interrupt - MPT adapter (IOC) specific interrupt handler.
 | 
						|
 *	@irq: irq number (not used)
 | 
						|
 *	@bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
 | 
						|
 *	@r: pt_regs pointer (not used)
 | 
						|
 *
 | 
						|
 *	This routine is registered via the request_irq() kernel API call,
 | 
						|
 *	and handles all interrupts generated from a specific MPT adapter
 | 
						|
 *	(also referred to as a IO Controller or IOC).
 | 
						|
 *	This routine must clear the interrupt from the adapter and does
 | 
						|
 *	so by reading the reply FIFO.  Multiple replies may be processed
 | 
						|
 *	per single call to this routine; up to MPT_MAX_REPLIES_PER_ISR
 | 
						|
 *	which is currently set to 32 in mptbase.h.
 | 
						|
 *
 | 
						|
 *	This routine handles register-level access of the adapter but
 | 
						|
 *	dispatches (calls) a protocol-specific callback routine to handle
 | 
						|
 *	the protocol-specific details of the MPT request completion.
 | 
						|
 */
 | 
						|
static irqreturn_t
 | 
						|
mpt_interrupt(int irq, void *bus_id, struct pt_regs *r)
 | 
						|
{
 | 
						|
	MPT_ADAPTER	*ioc;
 | 
						|
	MPT_FRAME_HDR	*mf;
 | 
						|
	MPT_FRAME_HDR	*mr;
 | 
						|
	u32		 pa;
 | 
						|
	int		 req_idx;
 | 
						|
	int		 cb_idx;
 | 
						|
	int		 type;
 | 
						|
	int		 freeme;
 | 
						|
 | 
						|
	ioc = (MPT_ADAPTER *)bus_id;
 | 
						|
 | 
						|
	/*
 | 
						|
	 *  Drain the reply FIFO!
 | 
						|
	 *
 | 
						|
	 * NOTES: I've seen up to 10 replies processed in this loop, so far...
 | 
						|
	 * Update: I've seen up to 9182 replies processed in this loop! ??
 | 
						|
	 * Update: Limit ourselves to processing max of N replies
 | 
						|
	 *	(bottom of loop).
 | 
						|
	 */
 | 
						|
	while (1) {
 | 
						|
 | 
						|
		if ((pa = CHIPREG_READ32_dmasync(&ioc->chip->ReplyFifo)) == 0xFFFFFFFF)
 | 
						|
			return IRQ_HANDLED;
 | 
						|
 | 
						|
		cb_idx = 0;
 | 
						|
		freeme = 0;
 | 
						|
 | 
						|
		/*
 | 
						|
		 *  Check for non-TURBO reply!
 | 
						|
		 */
 | 
						|
		if (pa & MPI_ADDRESS_REPLY_A_BIT) {
 | 
						|
			u32 reply_dma_low;
 | 
						|
			u16 ioc_stat;
 | 
						|
 | 
						|
			/* non-TURBO reply!  Hmmm, something may be up...
 | 
						|
			 *  Newest turbo reply mechanism; get address
 | 
						|
			 *  via left shift 1 (get rid of MPI_ADDRESS_REPLY_A_BIT)!
 | 
						|
			 */
 | 
						|
 | 
						|
			/* Map DMA address of reply header to cpu address.
 | 
						|
			 * pa is 32 bits - but the dma address may be 32 or 64 bits
 | 
						|
			 * get offset based only only the low addresses
 | 
						|
			 */
 | 
						|
			reply_dma_low = (pa = (pa << 1));
 | 
						|
			mr = (MPT_FRAME_HDR *)((u8 *)ioc->reply_frames +
 | 
						|
					 (reply_dma_low - ioc->reply_frames_low_dma));
 | 
						|
 | 
						|
			req_idx = le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx);
 | 
						|
			cb_idx = mr->u.frame.hwhdr.msgctxu.fld.cb_idx;
 | 
						|
			mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
 | 
						|
 | 
						|
			dmfprintk((MYIOC_s_INFO_FMT "Got non-TURBO reply=%p req_idx=%x\n",
 | 
						|
					ioc->name, mr, req_idx));
 | 
						|
			DBG_DUMP_REPLY_FRAME(mr)
 | 
						|
 | 
						|
			/*  Check/log IOC log info
 | 
						|
			 */
 | 
						|
			ioc_stat = le16_to_cpu(mr->u.reply.IOCStatus);
 | 
						|
			if (ioc_stat & MPI_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
 | 
						|
				u32	 log_info = le32_to_cpu(mr->u.reply.IOCLogInfo);
 | 
						|
				if (ioc->bus_type == FC)
 | 
						|
					mpt_fc_log_info(ioc, log_info);
 | 
						|
				else if (ioc->bus_type == SCSI)
 | 
						|
					mpt_sp_log_info(ioc, log_info);
 | 
						|
			}
 | 
						|
			if (ioc_stat & MPI_IOCSTATUS_MASK) {
 | 
						|
				if (ioc->bus_type == SCSI)
 | 
						|
					mpt_sp_ioc_info(ioc, (u32)ioc_stat, mf);
 | 
						|
			}
 | 
						|
		} else {
 | 
						|
			/*
 | 
						|
			 *  Process turbo (context) reply...
 | 
						|
			 */
 | 
						|
			dmfprintk((MYIOC_s_INFO_FMT "Got TURBO reply req_idx=%08x\n", ioc->name, pa));
 | 
						|
			type = (pa >> MPI_CONTEXT_REPLY_TYPE_SHIFT);
 | 
						|
			if (type == MPI_CONTEXT_REPLY_TYPE_SCSI_TARGET) {
 | 
						|
				cb_idx = mpt_stm_index;
 | 
						|
				mf = NULL;
 | 
						|
				mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
 | 
						|
			} else if (type == MPI_CONTEXT_REPLY_TYPE_LAN) {
 | 
						|
				cb_idx = mpt_lan_index;
 | 
						|
				 /*  Blind set of mf to NULL here was fatal
 | 
						|
				 *  after lan_reply says "freeme"
 | 
						|
				 *  Fix sort of combined with an optimization here;
 | 
						|
				 *  added explicit check for case where lan_reply
 | 
						|
				 *  was just returning 1 and doing nothing else.
 | 
						|
				 *  For this case skip the callback, but set up
 | 
						|
				 *  proper mf value first here:-)
 | 
						|
				 */
 | 
						|
				if ((pa & 0x58000000) == 0x58000000) {
 | 
						|
					req_idx = pa & 0x0000FFFF;
 | 
						|
					mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
 | 
						|
					freeme = 1;
 | 
						|
					/*
 | 
						|
					 *  IMPORTANT!  Invalidate the callback!
 | 
						|
					 */
 | 
						|
					cb_idx = 0;
 | 
						|
				} else {
 | 
						|
					mf = NULL;
 | 
						|
				}
 | 
						|
				mr = (MPT_FRAME_HDR *) CAST_U32_TO_PTR(pa);
 | 
						|
			} else {
 | 
						|
				req_idx = pa & 0x0000FFFF;
 | 
						|
				cb_idx = (pa & 0x00FF0000) >> 16;
 | 
						|
				mf = MPT_INDEX_2_MFPTR(ioc, req_idx);
 | 
						|
				mr = NULL;
 | 
						|
			}
 | 
						|
			pa = 0;					/* No reply flush! */
 | 
						|
		}
 | 
						|
 | 
						|
#ifdef MPT_DEBUG_IRQ
 | 
						|
		if (ioc->bus_type == SCSI) {
 | 
						|
			/* Verify mf, mr are reasonable.
 | 
						|
			 */
 | 
						|
			if ((mf) && ((mf >= MPT_INDEX_2_MFPTR(ioc, ioc->req_depth))
 | 
						|
				|| (mf < ioc->req_frames)) ) {
 | 
						|
				printk(MYIOC_s_WARN_FMT
 | 
						|
					"mpt_interrupt: Invalid mf (%p) req_idx (%d)!\n", ioc->name, (void *)mf, req_idx);
 | 
						|
				cb_idx = 0;
 | 
						|
				pa = 0;
 | 
						|
				freeme = 0;
 | 
						|
			}
 | 
						|
			if ((pa) && (mr) && ((mr >= MPT_INDEX_2_RFPTR(ioc, ioc->req_depth))
 | 
						|
				|| (mr < ioc->reply_frames)) ) {
 | 
						|
				printk(MYIOC_s_WARN_FMT
 | 
						|
					"mpt_interrupt: Invalid rf (%p)!\n", ioc->name, (void *)mr);
 | 
						|
				cb_idx = 0;
 | 
						|
				pa = 0;
 | 
						|
				freeme = 0;
 | 
						|
			}
 | 
						|
			if (cb_idx > (MPT_MAX_PROTOCOL_DRIVERS-1)) {
 | 
						|
				printk(MYIOC_s_WARN_FMT
 | 
						|
					"mpt_interrupt: Invalid cb_idx (%d)!\n", ioc->name, cb_idx);
 | 
						|
				cb_idx = 0;
 | 
						|
				pa = 0;
 | 
						|
				freeme = 0;
 | 
						|
			}
 | 
						|
		}
 | 
						|
#endif
 | 
						|
 | 
						|
		/*  Check for (valid) IO callback!  */
 | 
						|
		if (cb_idx) {
 | 
						|
			/*  Do the callback!  */
 | 
						|
			freeme = (*(MptCallbacks[cb_idx]))(ioc, mf, mr);
 | 
						|
		}
 | 
						|
 | 
						|
		if (pa) {
 | 
						|
			/*  Flush (non-TURBO) reply with a WRITE!  */
 | 
						|
			CHIPREG_WRITE32(&ioc->chip->ReplyFifo, pa);
 | 
						|
		}
 | 
						|
 | 
						|
		if (freeme) {
 | 
						|
			/*  Put Request back on FreeQ!  */
 | 
						|
			mpt_free_msg_frame(ioc, mf);
 | 
						|
		}
 | 
						|
 | 
						|
		mb();
 | 
						|
	}	/* drain reply FIFO */
 | 
						|
 | 
						|
	return IRQ_HANDLED;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_base_reply - MPT base driver's callback routine; all base driver
 | 
						|
 *	"internal" request/reply processing is routed here.
 | 
						|
 *	Currently used for EventNotification and EventAck handling.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@mf: Pointer to original MPT request frame
 | 
						|
 *	@reply: Pointer to MPT reply frame (NULL if TurboReply)
 | 
						|
 *
 | 
						|
	*	Returns 1 indicating original alloc'd request frame ptr
 | 
						|
 *	should be freed, or 0 if it shouldn't.
 | 
						|
 */
 | 
						|
static int
 | 
						|
mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply)
 | 
						|
{
 | 
						|
	int freereq = 1;
 | 
						|
	u8 func;
 | 
						|
 | 
						|
	dprintk((MYIOC_s_INFO_FMT "mpt_base_reply() called\n", ioc->name));
 | 
						|
 | 
						|
	if ((mf == NULL) ||
 | 
						|
	    (mf >= MPT_INDEX_2_MFPTR(ioc, ioc->req_depth))) {
 | 
						|
		printk(MYIOC_s_ERR_FMT "NULL or BAD request frame ptr! (=%p)\n",
 | 
						|
				ioc->name, (void *)mf);
 | 
						|
		return 1;
 | 
						|
	}
 | 
						|
 | 
						|
	if (reply == NULL) {
 | 
						|
		dprintk((MYIOC_s_ERR_FMT "Unexpected NULL Event (turbo?) reply!\n",
 | 
						|
				ioc->name));
 | 
						|
		return 1;
 | 
						|
	}
 | 
						|
 | 
						|
	if (!(reply->u.hdr.MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)) {
 | 
						|
		dmfprintk((KERN_INFO MYNAM ": Original request frame (@%p) header\n", mf));
 | 
						|
		DBG_DUMP_REQUEST_FRAME_HDR(mf)
 | 
						|
	}
 | 
						|
 | 
						|
	func = reply->u.hdr.Function;
 | 
						|
	dprintk((MYIOC_s_INFO_FMT "mpt_base_reply, Function=%02Xh\n",
 | 
						|
			ioc->name, func));
 | 
						|
 | 
						|
	if (func == MPI_FUNCTION_EVENT_NOTIFICATION) {
 | 
						|
		EventNotificationReply_t *pEvReply = (EventNotificationReply_t *) reply;
 | 
						|
		int evHandlers = 0;
 | 
						|
		int results;
 | 
						|
 | 
						|
		results = ProcessEventNotification(ioc, pEvReply, &evHandlers);
 | 
						|
		if (results != evHandlers) {
 | 
						|
			/* CHECKME! Any special handling needed here? */
 | 
						|
			devtprintk((MYIOC_s_WARN_FMT "Called %d event handlers, sum results = %d\n",
 | 
						|
					ioc->name, evHandlers, results));
 | 
						|
		}
 | 
						|
 | 
						|
		/*
 | 
						|
		 *	Hmmm...  It seems that EventNotificationReply is an exception
 | 
						|
		 *	to the rule of one reply per request.
 | 
						|
		 */
 | 
						|
		if (pEvReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)
 | 
						|
			freereq = 0;
 | 
						|
 | 
						|
#ifdef CONFIG_PROC_FS
 | 
						|
//		LogEvent(ioc, pEvReply);
 | 
						|
#endif
 | 
						|
 | 
						|
	} else if (func == MPI_FUNCTION_EVENT_ACK) {
 | 
						|
		dprintk((MYIOC_s_INFO_FMT "mpt_base_reply, EventAck reply received\n",
 | 
						|
				ioc->name));
 | 
						|
	} else if (func == MPI_FUNCTION_CONFIG ||
 | 
						|
		   func == MPI_FUNCTION_TOOLBOX) {
 | 
						|
		CONFIGPARMS *pCfg;
 | 
						|
		unsigned long flags;
 | 
						|
 | 
						|
		dcprintk((MYIOC_s_INFO_FMT "config_complete (mf=%p,mr=%p)\n",
 | 
						|
				ioc->name, mf, reply));
 | 
						|
 | 
						|
		pCfg = * ((CONFIGPARMS **)((u8 *) mf + ioc->req_sz - sizeof(void *)));
 | 
						|
 | 
						|
		if (pCfg) {
 | 
						|
			/* disable timer and remove from linked list */
 | 
						|
			del_timer(&pCfg->timer);
 | 
						|
 | 
						|
			spin_lock_irqsave(&ioc->FreeQlock, flags);
 | 
						|
			list_del(&pCfg->linkage);
 | 
						|
			spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 | 
						|
 | 
						|
			/*
 | 
						|
			 *	If IOC Status is SUCCESS, save the header
 | 
						|
			 *	and set the status code to GOOD.
 | 
						|
			 */
 | 
						|
			pCfg->status = MPT_CONFIG_ERROR;
 | 
						|
			if (reply) {
 | 
						|
				ConfigReply_t	*pReply = (ConfigReply_t *)reply;
 | 
						|
				u16		 status;
 | 
						|
 | 
						|
				status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
 | 
						|
				dcprintk((KERN_NOTICE "  IOCStatus=%04xh, IOCLogInfo=%08xh\n",
 | 
						|
				     status, le32_to_cpu(pReply->IOCLogInfo)));
 | 
						|
 | 
						|
				pCfg->status = status;
 | 
						|
				if (status == MPI_IOCSTATUS_SUCCESS) {
 | 
						|
					pCfg->hdr->PageVersion = pReply->Header.PageVersion;
 | 
						|
					pCfg->hdr->PageLength = pReply->Header.PageLength;
 | 
						|
					pCfg->hdr->PageNumber = pReply->Header.PageNumber;
 | 
						|
					pCfg->hdr->PageType = pReply->Header.PageType;
 | 
						|
				}
 | 
						|
			}
 | 
						|
 | 
						|
			/*
 | 
						|
			 *	Wake up the original calling thread
 | 
						|
			 */
 | 
						|
			pCfg->wait_done = 1;
 | 
						|
			wake_up(&mpt_waitq);
 | 
						|
		}
 | 
						|
	} else {
 | 
						|
		printk(MYIOC_s_ERR_FMT "Unexpected msg function (=%02Xh) reply received!\n",
 | 
						|
				ioc->name, func);
 | 
						|
	}
 | 
						|
 | 
						|
	/*
 | 
						|
	 *	Conditionally tell caller to free the original
 | 
						|
	 *	EventNotification/EventAck/unexpected request frame!
 | 
						|
	 */
 | 
						|
	return freereq;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_register - Register protocol-specific main callback handler.
 | 
						|
 *	@cbfunc: callback function pointer
 | 
						|
 *	@dclass: Protocol driver's class (%MPT_DRIVER_CLASS enum value)
 | 
						|
 *
 | 
						|
 *	This routine is called by a protocol-specific driver (SCSI host,
 | 
						|
 *	LAN, SCSI target) to register it's reply callback routine.  Each
 | 
						|
 *	protocol-specific driver must do this before it will be able to
 | 
						|
 *	use any IOC resources, such as obtaining request frames.
 | 
						|
 *
 | 
						|
 *	NOTES: The SCSI protocol driver currently calls this routine thrice
 | 
						|
 *	in order to register separate callbacks; one for "normal" SCSI IO;
 | 
						|
 *	one for MptScsiTaskMgmt requests; one for Scan/DV requests.
 | 
						|
 *
 | 
						|
 *	Returns a positive integer valued "handle" in the
 | 
						|
 *	range (and S.O.D. order) {N,...,7,6,5,...,1} if successful.
 | 
						|
 *	Any non-positive return value (including zero!) should be considered
 | 
						|
 *	an error by the caller.
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass)
 | 
						|
{
 | 
						|
	int i;
 | 
						|
 | 
						|
	last_drv_idx = -1;
 | 
						|
 | 
						|
	/*
 | 
						|
	 *  Search for empty callback slot in this order: {N,...,7,6,5,...,1}
 | 
						|
	 *  (slot/handle 0 is reserved!)
 | 
						|
	 */
 | 
						|
	for (i = MPT_MAX_PROTOCOL_DRIVERS-1; i; i--) {
 | 
						|
		if (MptCallbacks[i] == NULL) {
 | 
						|
			MptCallbacks[i] = cbfunc;
 | 
						|
			MptDriverClass[i] = dclass;
 | 
						|
			MptEvHandlers[i] = NULL;
 | 
						|
			last_drv_idx = i;
 | 
						|
			break;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	return last_drv_idx;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_deregister - Deregister a protocol drivers resources.
 | 
						|
 *	@cb_idx: previously registered callback handle
 | 
						|
 *
 | 
						|
 *	Each protocol-specific driver should call this routine when it's
 | 
						|
 *	module is unloaded.
 | 
						|
 */
 | 
						|
void
 | 
						|
mpt_deregister(int cb_idx)
 | 
						|
{
 | 
						|
	if ((cb_idx >= 0) && (cb_idx < MPT_MAX_PROTOCOL_DRIVERS)) {
 | 
						|
		MptCallbacks[cb_idx] = NULL;
 | 
						|
		MptDriverClass[cb_idx] = MPTUNKNOWN_DRIVER;
 | 
						|
		MptEvHandlers[cb_idx] = NULL;
 | 
						|
 | 
						|
		last_drv_idx++;
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_event_register - Register protocol-specific event callback
 | 
						|
 *	handler.
 | 
						|
 *	@cb_idx: previously registered (via mpt_register) callback handle
 | 
						|
 *	@ev_cbfunc: callback function
 | 
						|
 *
 | 
						|
 *	This routine can be called by one or more protocol-specific drivers
 | 
						|
 *	if/when they choose to be notified of MPT events.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success.
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_event_register(int cb_idx, MPT_EVHANDLER ev_cbfunc)
 | 
						|
{
 | 
						|
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 | 
						|
		return -1;
 | 
						|
 | 
						|
	MptEvHandlers[cb_idx] = ev_cbfunc;
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_event_deregister - Deregister protocol-specific event callback
 | 
						|
 *	handler.
 | 
						|
 *	@cb_idx: previously registered callback handle
 | 
						|
 *
 | 
						|
 *	Each protocol-specific driver should call this routine
 | 
						|
 *	when it does not (or can no longer) handle events,
 | 
						|
 *	or when it's module is unloaded.
 | 
						|
 */
 | 
						|
void
 | 
						|
mpt_event_deregister(int cb_idx)
 | 
						|
{
 | 
						|
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 | 
						|
		return;
 | 
						|
 | 
						|
	MptEvHandlers[cb_idx] = NULL;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_reset_register - Register protocol-specific IOC reset handler.
 | 
						|
 *	@cb_idx: previously registered (via mpt_register) callback handle
 | 
						|
 *	@reset_func: reset function
 | 
						|
 *
 | 
						|
 *	This routine can be called by one or more protocol-specific drivers
 | 
						|
 *	if/when they choose to be notified of IOC resets.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success.
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_reset_register(int cb_idx, MPT_RESETHANDLER reset_func)
 | 
						|
{
 | 
						|
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 | 
						|
		return -1;
 | 
						|
 | 
						|
	MptResetHandlers[cb_idx] = reset_func;
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_reset_deregister - Deregister protocol-specific IOC reset handler.
 | 
						|
 *	@cb_idx: previously registered callback handle
 | 
						|
 *
 | 
						|
 *	Each protocol-specific driver should call this routine
 | 
						|
 *	when it does not (or can no longer) handle IOC reset handling,
 | 
						|
 *	or when it's module is unloaded.
 | 
						|
 */
 | 
						|
void
 | 
						|
mpt_reset_deregister(int cb_idx)
 | 
						|
{
 | 
						|
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 | 
						|
		return;
 | 
						|
 | 
						|
	MptResetHandlers[cb_idx] = NULL;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_device_driver_register - Register device driver hooks
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx)
 | 
						|
{
 | 
						|
	MPT_ADAPTER	*ioc;
 | 
						|
 | 
						|
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) {
 | 
						|
		return -EINVAL;
 | 
						|
	}
 | 
						|
 | 
						|
	MptDeviceDriverHandlers[cb_idx] = dd_cbfunc;
 | 
						|
 | 
						|
	/* call per pci device probe entry point */
 | 
						|
	list_for_each_entry(ioc, &ioc_list, list) {
 | 
						|
		if(dd_cbfunc->probe) {
 | 
						|
			dd_cbfunc->probe(ioc->pcidev,
 | 
						|
			  ioc->pcidev->driver->id_table);
 | 
						|
  		}
 | 
						|
	 }
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_device_driver_deregister - DeRegister device driver hooks
 | 
						|
 */
 | 
						|
void
 | 
						|
mpt_device_driver_deregister(int cb_idx)
 | 
						|
{
 | 
						|
	struct mpt_pci_driver *dd_cbfunc;
 | 
						|
	MPT_ADAPTER	*ioc;
 | 
						|
 | 
						|
	if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
 | 
						|
		return;
 | 
						|
 | 
						|
	dd_cbfunc = MptDeviceDriverHandlers[cb_idx];
 | 
						|
 | 
						|
	list_for_each_entry(ioc, &ioc_list, list) {
 | 
						|
		if (dd_cbfunc->remove)
 | 
						|
			dd_cbfunc->remove(ioc->pcidev);
 | 
						|
	}
 | 
						|
	
 | 
						|
	MptDeviceDriverHandlers[cb_idx] = NULL;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_get_msg_frame - Obtain a MPT request frame from the pool (of 1024)
 | 
						|
 *	allocated per MPT adapter.
 | 
						|
 *	@handle: Handle of registered MPT protocol driver
 | 
						|
 *	@ioc: Pointer to MPT adapter structure
 | 
						|
 *
 | 
						|
 *	Returns pointer to a MPT request frame or %NULL if none are available
 | 
						|
 *	or IOC is not active.
 | 
						|
 */
 | 
						|
MPT_FRAME_HDR*
 | 
						|
mpt_get_msg_frame(int handle, MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	MPT_FRAME_HDR *mf;
 | 
						|
	unsigned long flags;
 | 
						|
	u16	 req_idx;	/* Request index */
 | 
						|
 | 
						|
	/* validate handle and ioc identifier */
 | 
						|
 | 
						|
#ifdef MFCNT
 | 
						|
	if (!ioc->active)
 | 
						|
		printk(KERN_WARNING "IOC Not Active! mpt_get_msg_frame returning NULL!\n");
 | 
						|
#endif
 | 
						|
 | 
						|
	/* If interrupts are not attached, do not return a request frame */
 | 
						|
	if (!ioc->active)
 | 
						|
		return NULL;
 | 
						|
 | 
						|
	spin_lock_irqsave(&ioc->FreeQlock, flags);
 | 
						|
	if (!list_empty(&ioc->FreeQ)) {
 | 
						|
		int req_offset;
 | 
						|
 | 
						|
		mf = list_entry(ioc->FreeQ.next, MPT_FRAME_HDR,
 | 
						|
				u.frame.linkage.list);
 | 
						|
		list_del(&mf->u.frame.linkage.list);
 | 
						|
		mf->u.frame.hwhdr.msgctxu.fld.cb_idx = handle;	/* byte */
 | 
						|
		req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
 | 
						|
								/* u16! */
 | 
						|
		req_idx = req_offset / ioc->req_sz;
 | 
						|
		mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
 | 
						|
		mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
 | 
						|
		ioc->RequestNB[req_idx] = ioc->NB_for_64_byte_frame; /* Default, will be changed if necessary in SG generation */
 | 
						|
#ifdef MFCNT
 | 
						|
		ioc->mfcnt++;
 | 
						|
#endif
 | 
						|
	}
 | 
						|
	else
 | 
						|
		mf = NULL;
 | 
						|
	spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 | 
						|
 | 
						|
#ifdef MFCNT
 | 
						|
	if (mf == NULL)
 | 
						|
		printk(KERN_WARNING "IOC Active. No free Msg Frames! Count 0x%x Max 0x%x\n", ioc->mfcnt, ioc->req_depth);
 | 
						|
	mfcounter++;
 | 
						|
	if (mfcounter == PRINT_MF_COUNT)
 | 
						|
		printk(KERN_INFO "MF Count 0x%x Max 0x%x \n", ioc->mfcnt, ioc->req_depth);
 | 
						|
#endif
 | 
						|
 | 
						|
	dmfprintk((KERN_INFO MYNAM ": %s: mpt_get_msg_frame(%d,%d), got mf=%p\n",
 | 
						|
			ioc->name, handle, ioc->id, mf));
 | 
						|
	return mf;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_put_msg_frame - Send a protocol specific MPT request frame
 | 
						|
 *	to a IOC.
 | 
						|
 *	@handle: Handle of registered MPT protocol driver
 | 
						|
 *	@ioc: Pointer to MPT adapter structure
 | 
						|
 *	@mf: Pointer to MPT request frame
 | 
						|
 *
 | 
						|
 *	This routine posts a MPT request frame to the request post FIFO of a
 | 
						|
 *	specific MPT adapter.
 | 
						|
 */
 | 
						|
void
 | 
						|
mpt_put_msg_frame(int handle, MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
 | 
						|
{
 | 
						|
	u32 mf_dma_addr;
 | 
						|
	int req_offset;
 | 
						|
	u16	 req_idx;	/* Request index */
 | 
						|
 | 
						|
	/* ensure values are reset properly! */
 | 
						|
	mf->u.frame.hwhdr.msgctxu.fld.cb_idx = handle;		/* byte */
 | 
						|
	req_offset = (u8 *)mf - (u8 *)ioc->req_frames;
 | 
						|
								/* u16! */
 | 
						|
	req_idx = req_offset / ioc->req_sz;
 | 
						|
	mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(req_idx);
 | 
						|
	mf->u.frame.hwhdr.msgctxu.fld.rsvd = 0;
 | 
						|
 | 
						|
#ifdef MPT_DEBUG_MSG_FRAME
 | 
						|
	{
 | 
						|
		u32	*m = mf->u.frame.hwhdr.__hdr;
 | 
						|
		int	 ii, n;
 | 
						|
 | 
						|
		printk(KERN_INFO MYNAM ": %s: About to Put msg frame @ %p:\n" KERN_INFO " ",
 | 
						|
				ioc->name, m);
 | 
						|
		n = ioc->req_sz/4 - 1;
 | 
						|
		while (m[n] == 0)
 | 
						|
			n--;
 | 
						|
		for (ii=0; ii<=n; ii++) {
 | 
						|
			if (ii && ((ii%8)==0))
 | 
						|
				printk("\n" KERN_INFO " ");
 | 
						|
			printk(" %08x", le32_to_cpu(m[ii]));
 | 
						|
		}
 | 
						|
		printk("\n");
 | 
						|
	}
 | 
						|
#endif
 | 
						|
 | 
						|
	mf_dma_addr = (ioc->req_frames_low_dma + req_offset) | ioc->RequestNB[req_idx];  
 | 
						|
	dsgprintk((MYIOC_s_INFO_FMT "mf_dma_addr=%x req_idx=%d RequestNB=%x\n", ioc->name, mf_dma_addr, req_idx, ioc->RequestNB[req_idx]));
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->RequestFifo, mf_dma_addr);
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_free_msg_frame - Place MPT request frame back on FreeQ.
 | 
						|
 *	@handle: Handle of registered MPT protocol driver
 | 
						|
 *	@ioc: Pointer to MPT adapter structure
 | 
						|
 *	@mf: Pointer to MPT request frame
 | 
						|
 *
 | 
						|
 *	This routine places a MPT request frame back on the MPT adapter's
 | 
						|
 *	FreeQ.
 | 
						|
 */
 | 
						|
void
 | 
						|
mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
 | 
						|
{
 | 
						|
	unsigned long flags;
 | 
						|
 | 
						|
	/*  Put Request back on FreeQ!  */
 | 
						|
	spin_lock_irqsave(&ioc->FreeQlock, flags);
 | 
						|
	list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
 | 
						|
#ifdef MFCNT
 | 
						|
	ioc->mfcnt--;
 | 
						|
#endif
 | 
						|
	spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_add_sge - Place a simple SGE at address pAddr.
 | 
						|
 *	@pAddr: virtual address for SGE
 | 
						|
 *	@flagslength: SGE flags and data transfer length
 | 
						|
 *	@dma_addr: Physical address
 | 
						|
 *
 | 
						|
 *	This routine places a MPT request frame back on the MPT adapter's
 | 
						|
 *	FreeQ.
 | 
						|
 */
 | 
						|
void
 | 
						|
mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr)
 | 
						|
{
 | 
						|
	if (sizeof(dma_addr_t) == sizeof(u64)) {
 | 
						|
		SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
 | 
						|
		u32 tmp = dma_addr & 0xFFFFFFFF;
 | 
						|
 | 
						|
		pSge->FlagsLength = cpu_to_le32(flagslength);
 | 
						|
		pSge->Address.Low = cpu_to_le32(tmp);
 | 
						|
		tmp = (u32) ((u64)dma_addr >> 32);
 | 
						|
		pSge->Address.High = cpu_to_le32(tmp);
 | 
						|
 | 
						|
	} else {
 | 
						|
		SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
 | 
						|
		pSge->FlagsLength = cpu_to_le32(flagslength);
 | 
						|
		pSge->Address = cpu_to_le32(dma_addr);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_send_handshake_request - Send MPT request via doorbell
 | 
						|
 *	handshake method.
 | 
						|
 *	@handle: Handle of registered MPT protocol driver
 | 
						|
 *	@ioc: Pointer to MPT adapter structure
 | 
						|
 *	@reqBytes: Size of the request in bytes
 | 
						|
 *	@req: Pointer to MPT request frame
 | 
						|
 *	@sleepFlag: Use schedule if CAN_SLEEP else use udelay.
 | 
						|
 *
 | 
						|
 *	This routine is used exclusively to send MptScsiTaskMgmt
 | 
						|
 *	requests since they are required to be sent via doorbell handshake.
 | 
						|
 *
 | 
						|
 *	NOTE: It is the callers responsibility to byte-swap fields in the
 | 
						|
 *	request which are greater than 1 byte in size.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_send_handshake_request(int handle, MPT_ADAPTER *ioc, int reqBytes, u32 *req, int sleepFlag)
 | 
						|
{
 | 
						|
	int		 r = 0;
 | 
						|
	u8	*req_as_bytes;
 | 
						|
	int	 ii;
 | 
						|
 | 
						|
	/* State is known to be good upon entering
 | 
						|
	 * this function so issue the bus reset
 | 
						|
	 * request.
 | 
						|
	 */
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Emulate what mpt_put_msg_frame() does /wrt to sanity
 | 
						|
	 * setting cb_idx/req_idx.  But ONLY if this request
 | 
						|
	 * is in proper (pre-alloc'd) request buffer range...
 | 
						|
	 */
 | 
						|
	ii = MFPTR_2_MPT_INDEX(ioc,(MPT_FRAME_HDR*)req);
 | 
						|
	if (reqBytes >= 12 && ii >= 0 && ii < ioc->req_depth) {
 | 
						|
		MPT_FRAME_HDR *mf = (MPT_FRAME_HDR*)req;
 | 
						|
		mf->u.frame.hwhdr.msgctxu.fld.req_idx = cpu_to_le16(ii);
 | 
						|
		mf->u.frame.hwhdr.msgctxu.fld.cb_idx = handle;
 | 
						|
	}
 | 
						|
 | 
						|
	/* Make sure there are no doorbells */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
	
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->Doorbell,
 | 
						|
			((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
 | 
						|
			 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
 | 
						|
 | 
						|
	/* Wait for IOC doorbell int */
 | 
						|
	if ((ii = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0) {
 | 
						|
		return ii;
 | 
						|
	}
 | 
						|
 | 
						|
	/* Read doorbell and check for active bit */
 | 
						|
	if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
 | 
						|
		return -5;
 | 
						|
 | 
						|
	dhsprintk((KERN_INFO MYNAM ": %s: mpt_send_handshake_request start, WaitCnt=%d\n",
 | 
						|
			ioc->name, ii));
 | 
						|
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
 | 
						|
	if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
 | 
						|
		return -2;
 | 
						|
	}
 | 
						|
		
 | 
						|
	/* Send request via doorbell handshake */
 | 
						|
	req_as_bytes = (u8 *) req;
 | 
						|
	for (ii = 0; ii < reqBytes/4; ii++) {
 | 
						|
		u32 word;
 | 
						|
 | 
						|
		word = ((req_as_bytes[(ii*4) + 0] <<  0) |
 | 
						|
			(req_as_bytes[(ii*4) + 1] <<  8) |
 | 
						|
			(req_as_bytes[(ii*4) + 2] << 16) |
 | 
						|
			(req_as_bytes[(ii*4) + 3] << 24));
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
 | 
						|
		if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0) {
 | 
						|
			r = -3;
 | 
						|
			break;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if (r >= 0 && WaitForDoorbellInt(ioc, 10, sleepFlag) >= 0)
 | 
						|
		r = 0;
 | 
						|
	else
 | 
						|
		r = -4;
 | 
						|
 | 
						|
	/* Make sure there are no doorbells */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
	
 | 
						|
	return r;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_verify_adapter - Given a unique IOC identifier, set pointer to
 | 
						|
 *	the associated MPT adapter structure.
 | 
						|
 *	@iocid: IOC unique identifier (integer)
 | 
						|
 *	@iocpp: Pointer to pointer to IOC adapter
 | 
						|
 *
 | 
						|
 *	Returns iocid and sets iocpp.
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_verify_adapter(int iocid, MPT_ADAPTER **iocpp)
 | 
						|
{
 | 
						|
	MPT_ADAPTER *ioc;
 | 
						|
 | 
						|
	list_for_each_entry(ioc,&ioc_list,list) {
 | 
						|
		if (ioc->id == iocid) {
 | 
						|
			*iocpp =ioc;
 | 
						|
			return iocid;
 | 
						|
		} 
 | 
						|
	}
 | 
						|
	
 | 
						|
	*iocpp = NULL;
 | 
						|
	return -1;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_attach - Install a PCI intelligent MPT adapter.
 | 
						|
 *	@pdev: Pointer to pci_dev structure
 | 
						|
 *
 | 
						|
 *	This routine performs all the steps necessary to bring the IOC of
 | 
						|
 *	a MPT adapter to a OPERATIONAL state.  This includes registering
 | 
						|
 *	memory regions, registering the interrupt, and allocating request
 | 
						|
 *	and reply memory pools.
 | 
						|
 *
 | 
						|
 *	This routine also pre-fetches the LAN MAC address of a Fibre Channel
 | 
						|
 *	MPT adapter.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 *
 | 
						|
 *	TODO: Add support for polled controllers
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 | 
						|
{
 | 
						|
	MPT_ADAPTER	*ioc;
 | 
						|
	u8		__iomem *mem;
 | 
						|
	unsigned long	 mem_phys;
 | 
						|
	unsigned long	 port;
 | 
						|
	u32		 msize;
 | 
						|
	u32		 psize;
 | 
						|
	int		 ii;
 | 
						|
	int		 r = -ENODEV;
 | 
						|
	u8		 revision;
 | 
						|
	u8		 pcixcmd;
 | 
						|
	static int	 mpt_ids = 0;
 | 
						|
#ifdef CONFIG_PROC_FS
 | 
						|
	struct proc_dir_entry *dent, *ent;
 | 
						|
#endif
 | 
						|
 | 
						|
	if (pci_enable_device(pdev))
 | 
						|
		return r;
 | 
						|
	
 | 
						|
	dinitprintk((KERN_WARNING MYNAM ": mpt_adapter_install\n"));
 | 
						|
	
 | 
						|
	if (!pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
 | 
						|
		dprintk((KERN_INFO MYNAM
 | 
						|
			": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n"));
 | 
						|
	} else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
 | 
						|
		printk(KERN_WARNING MYNAM ": 32 BIT PCI BUS DMA ADDRESSING NOT SUPPORTED\n");
 | 
						|
		return r;
 | 
						|
	}
 | 
						|
 | 
						|
	if (!pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK))
 | 
						|
		dprintk((KERN_INFO MYNAM
 | 
						|
			": Using 64 bit consistent mask\n"));
 | 
						|
	else
 | 
						|
		dprintk((KERN_INFO MYNAM
 | 
						|
			": Not using 64 bit consistent mask\n"));
 | 
						|
 | 
						|
	ioc = kmalloc(sizeof(MPT_ADAPTER), GFP_ATOMIC);
 | 
						|
	if (ioc == NULL) {
 | 
						|
		printk(KERN_ERR MYNAM ": ERROR - Insufficient memory to add adapter!\n");
 | 
						|
		return -ENOMEM;
 | 
						|
	}
 | 
						|
	memset(ioc, 0, sizeof(MPT_ADAPTER));
 | 
						|
	ioc->alloc_total = sizeof(MPT_ADAPTER);
 | 
						|
	ioc->req_sz = MPT_DEFAULT_FRAME_SIZE;		/* avoid div by zero! */
 | 
						|
	ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
 | 
						|
	
 | 
						|
	ioc->pcidev = pdev;
 | 
						|
	ioc->diagPending = 0;
 | 
						|
	spin_lock_init(&ioc->diagLock);
 | 
						|
 | 
						|
	/* Initialize the event logging.
 | 
						|
	 */
 | 
						|
	ioc->eventTypes = 0;	/* None */
 | 
						|
	ioc->eventContext = 0;
 | 
						|
	ioc->eventLogSize = 0;
 | 
						|
	ioc->events = NULL;
 | 
						|
 | 
						|
#ifdef MFCNT
 | 
						|
	ioc->mfcnt = 0;
 | 
						|
#endif
 | 
						|
 | 
						|
	ioc->cached_fw = NULL;
 | 
						|
 | 
						|
	/* Initilize SCSI Config Data structure
 | 
						|
	 */
 | 
						|
	memset(&ioc->spi_data, 0, sizeof(ScsiCfgData));
 | 
						|
 | 
						|
	/* Initialize the running configQ head.
 | 
						|
	 */
 | 
						|
	INIT_LIST_HEAD(&ioc->configQ);
 | 
						|
 | 
						|
	/* Find lookup slot. */
 | 
						|
	INIT_LIST_HEAD(&ioc->list);
 | 
						|
	ioc->id = mpt_ids++;
 | 
						|
	
 | 
						|
	mem_phys = msize = 0;
 | 
						|
	port = psize = 0;
 | 
						|
	for (ii=0; ii < DEVICE_COUNT_RESOURCE; ii++) {
 | 
						|
		if (pci_resource_flags(pdev, ii) & PCI_BASE_ADDRESS_SPACE_IO) {
 | 
						|
			/* Get I/O space! */
 | 
						|
			port = pci_resource_start(pdev, ii);
 | 
						|
			psize = pci_resource_len(pdev,ii);
 | 
						|
		} else {
 | 
						|
			/* Get memmap */
 | 
						|
			mem_phys = pci_resource_start(pdev, ii);
 | 
						|
			msize = pci_resource_len(pdev,ii);
 | 
						|
			break;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	ioc->mem_size = msize;
 | 
						|
 | 
						|
	if (ii == DEVICE_COUNT_RESOURCE) {
 | 
						|
		printk(KERN_ERR MYNAM ": ERROR - MPT adapter has no memory regions defined!\n");
 | 
						|
		kfree(ioc);
 | 
						|
		return -EINVAL;
 | 
						|
	}
 | 
						|
 | 
						|
	dinitprintk((KERN_INFO MYNAM ": MPT adapter @ %lx, msize=%dd bytes\n", mem_phys, msize));
 | 
						|
	dinitprintk((KERN_INFO MYNAM ": (port i/o @ %lx, psize=%dd bytes)\n", port, psize));
 | 
						|
 | 
						|
	mem = NULL;
 | 
						|
	/* Get logical ptr for PciMem0 space */
 | 
						|
	/*mem = ioremap(mem_phys, msize);*/
 | 
						|
	mem = ioremap(mem_phys, 0x100);
 | 
						|
	if (mem == NULL) {
 | 
						|
		printk(KERN_ERR MYNAM ": ERROR - Unable to map adapter memory!\n");
 | 
						|
		kfree(ioc);
 | 
						|
		return -EINVAL;
 | 
						|
	}
 | 
						|
	ioc->memmap = mem;
 | 
						|
	dinitprintk((KERN_INFO MYNAM ": mem = %p, mem_phys = %lx\n", mem, mem_phys));
 | 
						|
 | 
						|
	dinitprintk((KERN_INFO MYNAM ": facts @ %p, pfacts[0] @ %p\n",
 | 
						|
			&ioc->facts, &ioc->pfacts[0]));
 | 
						|
 | 
						|
	ioc->mem_phys = mem_phys;
 | 
						|
	ioc->chip = (SYSIF_REGS __iomem *)mem;
 | 
						|
 | 
						|
	/* Save Port IO values in case we need to do downloadboot */
 | 
						|
	{
 | 
						|
		u8 *pmem = (u8*)port;
 | 
						|
		ioc->pio_mem_phys = port;
 | 
						|
		ioc->pio_chip = (SYSIF_REGS __iomem *)pmem;
 | 
						|
	}
 | 
						|
 | 
						|
	if (pdev->device == MPI_MANUFACTPAGE_DEVICEID_FC909) {
 | 
						|
		ioc->prod_name = "LSIFC909";
 | 
						|
		ioc->bus_type = FC;
 | 
						|
	}
 | 
						|
	if (pdev->device == MPI_MANUFACTPAGE_DEVICEID_FC929) {
 | 
						|
		ioc->prod_name = "LSIFC929";
 | 
						|
		ioc->bus_type = FC;
 | 
						|
	}
 | 
						|
	else if (pdev->device == MPI_MANUFACTPAGE_DEVICEID_FC919) {
 | 
						|
		ioc->prod_name = "LSIFC919";
 | 
						|
		ioc->bus_type = FC;
 | 
						|
	}
 | 
						|
	else if (pdev->device == MPI_MANUFACTPAGE_DEVICEID_FC929X) {
 | 
						|
		pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
 | 
						|
		ioc->bus_type = FC;
 | 
						|
		if (revision < XL_929) {
 | 
						|
			ioc->prod_name = "LSIFC929X";
 | 
						|
			/* 929X Chip Fix. Set Split transactions level
 | 
						|
		 	* for PCIX. Set MOST bits to zero.
 | 
						|
		 	*/
 | 
						|
			pci_read_config_byte(pdev, 0x6a, &pcixcmd);
 | 
						|
			pcixcmd &= 0x8F;
 | 
						|
			pci_write_config_byte(pdev, 0x6a, pcixcmd);
 | 
						|
		} else {
 | 
						|
			ioc->prod_name = "LSIFC929XL";
 | 
						|
			/* 929XL Chip Fix. Set MMRBC to 0x08.
 | 
						|
		 	*/
 | 
						|
			pci_read_config_byte(pdev, 0x6a, &pcixcmd);
 | 
						|
			pcixcmd |= 0x08;
 | 
						|
			pci_write_config_byte(pdev, 0x6a, pcixcmd);
 | 
						|
		}
 | 
						|
	}
 | 
						|
	else if (pdev->device == MPI_MANUFACTPAGE_DEVICEID_FC919X) {
 | 
						|
		ioc->prod_name = "LSIFC919X";
 | 
						|
		ioc->bus_type = FC;
 | 
						|
		/* 919X Chip Fix. Set Split transactions level
 | 
						|
		 * for PCIX. Set MOST bits to zero.
 | 
						|
		 */
 | 
						|
		pci_read_config_byte(pdev, 0x6a, &pcixcmd);
 | 
						|
		pcixcmd &= 0x8F;
 | 
						|
		pci_write_config_byte(pdev, 0x6a, pcixcmd);
 | 
						|
	}
 | 
						|
	else if (pdev->device == MPI_MANUFACTPAGE_DEVICEID_FC939X) {
 | 
						|
		ioc->prod_name = "LSIFC939X";
 | 
						|
		ioc->bus_type = FC;
 | 
						|
		ioc->errata_flag_1064 = 1;
 | 
						|
	}
 | 
						|
	else if (pdev->device == MPI_MANUFACTPAGE_DEVICEID_FC949X) {
 | 
						|
		ioc->prod_name = "LSIFC949X";
 | 
						|
		ioc->bus_type = FC;
 | 
						|
		ioc->errata_flag_1064 = 1;
 | 
						|
	}
 | 
						|
	else if (pdev->device == MPI_MANUFACTPAGE_DEVID_53C1030) {
 | 
						|
		ioc->prod_name = "LSI53C1030";
 | 
						|
		ioc->bus_type = SCSI;
 | 
						|
		/* 1030 Chip Fix. Disable Split transactions
 | 
						|
		 * for PCIX. Set MOST bits to zero if Rev < C0( = 8).
 | 
						|
		 */
 | 
						|
		pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
 | 
						|
		if (revision < C0_1030) {
 | 
						|
			pci_read_config_byte(pdev, 0x6a, &pcixcmd);
 | 
						|
			pcixcmd &= 0x8F;
 | 
						|
			pci_write_config_byte(pdev, 0x6a, pcixcmd);
 | 
						|
		}
 | 
						|
	}
 | 
						|
	else if (pdev->device == MPI_MANUFACTPAGE_DEVID_1030_53C1035) {
 | 
						|
		ioc->prod_name = "LSI53C1035";
 | 
						|
		ioc->bus_type = SCSI;
 | 
						|
	}
 | 
						|
 | 
						|
	if (ioc->errata_flag_1064)
 | 
						|
		pci_disable_io_access(pdev);
 | 
						|
 | 
						|
	sprintf(ioc->name, "ioc%d", ioc->id);
 | 
						|
 | 
						|
	spin_lock_init(&ioc->FreeQlock);
 | 
						|
 | 
						|
	/* Disable all! */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
 | 
						|
	ioc->active = 0;
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
 | 
						|
	/* Set lookup ptr. */
 | 
						|
	list_add_tail(&ioc->list, &ioc_list);
 | 
						|
 | 
						|
	ioc->pci_irq = -1;
 | 
						|
	if (pdev->irq) {
 | 
						|
		r = request_irq(pdev->irq, mpt_interrupt, SA_SHIRQ, ioc->name, ioc);
 | 
						|
 | 
						|
		if (r < 0) {
 | 
						|
#ifndef __sparc__
 | 
						|
			printk(MYIOC_s_ERR_FMT "Unable to allocate interrupt %d!\n",
 | 
						|
					ioc->name, pdev->irq);
 | 
						|
#else
 | 
						|
			printk(MYIOC_s_ERR_FMT "Unable to allocate interrupt %s!\n",
 | 
						|
					ioc->name, __irq_itoa(pdev->irq));
 | 
						|
#endif
 | 
						|
			list_del(&ioc->list);
 | 
						|
			iounmap(mem);
 | 
						|
			kfree(ioc);
 | 
						|
			return -EBUSY;
 | 
						|
		}
 | 
						|
 | 
						|
		ioc->pci_irq = pdev->irq;
 | 
						|
 | 
						|
		pci_set_master(pdev);			/* ?? */
 | 
						|
		pci_set_drvdata(pdev, ioc);
 | 
						|
 | 
						|
#ifndef __sparc__
 | 
						|
		dprintk((KERN_INFO MYNAM ": %s installed at interrupt %d\n", ioc->name, pdev->irq));
 | 
						|
#else
 | 
						|
		dprintk((KERN_INFO MYNAM ": %s installed at interrupt %s\n", ioc->name, __irq_itoa(pdev->irq)));
 | 
						|
#endif
 | 
						|
	}
 | 
						|
 | 
						|
	/* Check for "bound ports" (929, 929X, 1030, 1035) to reduce redundant resets.
 | 
						|
	 */
 | 
						|
	mpt_detect_bound_ports(ioc, pdev);
 | 
						|
 | 
						|
	if ((r = mpt_do_ioc_recovery(ioc,
 | 
						|
	  MPT_HOSTEVENT_IOC_BRINGUP, CAN_SLEEP)) != 0) {
 | 
						|
		printk(KERN_WARNING MYNAM
 | 
						|
		  ": WARNING - %s did not initialize properly! (%d)\n",
 | 
						|
		  ioc->name, r);
 | 
						|
 | 
						|
		list_del(&ioc->list);
 | 
						|
		free_irq(ioc->pci_irq, ioc);
 | 
						|
		iounmap(mem);
 | 
						|
		kfree(ioc);
 | 
						|
		pci_set_drvdata(pdev, NULL);
 | 
						|
		return r;
 | 
						|
	}
 | 
						|
 | 
						|
	/* call per device driver probe entry point */
 | 
						|
	for(ii=0; ii<MPT_MAX_PROTOCOL_DRIVERS; ii++) {
 | 
						|
		if(MptDeviceDriverHandlers[ii] &&
 | 
						|
		  MptDeviceDriverHandlers[ii]->probe) {
 | 
						|
			MptDeviceDriverHandlers[ii]->probe(pdev,id);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
#ifdef CONFIG_PROC_FS
 | 
						|
	/*
 | 
						|
	 *  Create "/proc/mpt/iocN" subdirectory entry for each MPT adapter.
 | 
						|
	 */
 | 
						|
	dent = proc_mkdir(ioc->name, mpt_proc_root_dir);
 | 
						|
	if (dent) {
 | 
						|
		ent = create_proc_entry("info", S_IFREG|S_IRUGO, dent);
 | 
						|
		if (ent) {
 | 
						|
			ent->read_proc = procmpt_iocinfo_read;
 | 
						|
			ent->data = ioc;
 | 
						|
		}
 | 
						|
		ent = create_proc_entry("summary", S_IFREG|S_IRUGO, dent);
 | 
						|
		if (ent) {
 | 
						|
			ent->read_proc = procmpt_summary_read;
 | 
						|
			ent->data = ioc;
 | 
						|
		}
 | 
						|
	}
 | 
						|
#endif
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_detach - Remove a PCI intelligent MPT adapter.
 | 
						|
 *	@pdev: Pointer to pci_dev structure
 | 
						|
 *
 | 
						|
 */
 | 
						|
 | 
						|
void
 | 
						|
mpt_detach(struct pci_dev *pdev)
 | 
						|
{
 | 
						|
	MPT_ADAPTER 	*ioc = pci_get_drvdata(pdev);
 | 
						|
	char pname[32];
 | 
						|
	int ii;
 | 
						|
 | 
						|
	sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
 | 
						|
	remove_proc_entry(pname, NULL);
 | 
						|
	sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/info", ioc->name);
 | 
						|
	remove_proc_entry(pname, NULL);
 | 
						|
	sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s", ioc->name);
 | 
						|
	remove_proc_entry(pname, NULL);
 | 
						|
	
 | 
						|
	/* call per device driver remove entry point */
 | 
						|
	for(ii=0; ii<MPT_MAX_PROTOCOL_DRIVERS; ii++) {
 | 
						|
		if(MptDeviceDriverHandlers[ii] &&
 | 
						|
		  MptDeviceDriverHandlers[ii]->remove) {
 | 
						|
			MptDeviceDriverHandlers[ii]->remove(pdev);
 | 
						|
		}
 | 
						|
	}
 | 
						|
	
 | 
						|
	/* Disable interrupts! */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
 | 
						|
 | 
						|
	ioc->active = 0;
 | 
						|
	synchronize_irq(pdev->irq);
 | 
						|
 | 
						|
	/* Clear any lingering interrupt */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
 | 
						|
	CHIPREG_READ32(&ioc->chip->IntStatus);
 | 
						|
 | 
						|
	mpt_adapter_dispose(ioc);
 | 
						|
 | 
						|
	pci_set_drvdata(pdev, NULL);
 | 
						|
}
 | 
						|
 | 
						|
/**************************************************************************
 | 
						|
 * Power Management
 | 
						|
 */
 | 
						|
#ifdef CONFIG_PM
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_suspend - Fusion MPT base driver suspend routine.
 | 
						|
 *
 | 
						|
 *
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_suspend(struct pci_dev *pdev, pm_message_t state)
 | 
						|
{
 | 
						|
	u32 device_state;
 | 
						|
	MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
 | 
						|
 | 
						|
	switch(state)
 | 
						|
	{
 | 
						|
		case 1: /* S1 */
 | 
						|
			device_state=1; /* D1 */;
 | 
						|
			break;
 | 
						|
		case 3: /* S3 */
 | 
						|
		case 4: /* S4 */
 | 
						|
			device_state=3; /* D3 */;
 | 
						|
			break;
 | 
						|
		default:
 | 
						|
			return -EAGAIN /*FIXME*/;
 | 
						|
			break;
 | 
						|
	}
 | 
						|
 | 
						|
	printk(MYIOC_s_INFO_FMT
 | 
						|
	"pci-suspend: pdev=0x%p, slot=%s, Entering operating state [D%d]\n",
 | 
						|
		ioc->name, pdev, pci_name(pdev), device_state);
 | 
						|
 | 
						|
	pci_save_state(pdev);
 | 
						|
 | 
						|
	/* put ioc into READY_STATE */
 | 
						|
	if(SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, CAN_SLEEP)) {
 | 
						|
		printk(MYIOC_s_ERR_FMT
 | 
						|
		"pci-suspend:  IOC msg unit reset failed!\n", ioc->name);
 | 
						|
	}
 | 
						|
 | 
						|
	/* disable interrupts */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
 | 
						|
	ioc->active = 0;
 | 
						|
 | 
						|
	/* Clear any lingering interrupt */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
 | 
						|
	pci_disable_device(pdev);
 | 
						|
	pci_set_power_state(pdev, device_state);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_resume - Fusion MPT base driver resume routine.
 | 
						|
 *
 | 
						|
 *
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_resume(struct pci_dev *pdev)
 | 
						|
{
 | 
						|
	MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
 | 
						|
	u32 device_state = pdev->current_state;
 | 
						|
	int recovery_state;
 | 
						|
	int ii;
 | 
						|
	
 | 
						|
	printk(MYIOC_s_INFO_FMT
 | 
						|
	"pci-resume: pdev=0x%p, slot=%s, Previous operating state [D%d]\n",
 | 
						|
		ioc->name, pdev, pci_name(pdev), device_state);
 | 
						|
 | 
						|
	pci_set_power_state(pdev, 0);
 | 
						|
	pci_restore_state(pdev);
 | 
						|
	pci_enable_device(pdev);
 | 
						|
 | 
						|
	/* enable interrupts */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntMask, ~(MPI_HIM_RIM));
 | 
						|
	ioc->active = 1;
 | 
						|
 | 
						|
	/* F/W not running */
 | 
						|
	if(!CHIPREG_READ32(&ioc->chip->Doorbell)) {
 | 
						|
		/* enable domain validation flags */
 | 
						|
		for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
 | 
						|
			ioc->spi_data.dvStatus[ii] |= MPT_SCSICFG_NEED_DV;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	printk(MYIOC_s_INFO_FMT
 | 
						|
		"pci-resume: ioc-state=0x%x,doorbell=0x%x\n",
 | 
						|
		ioc->name,
 | 
						|
		(mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT),
 | 
						|
		CHIPREG_READ32(&ioc->chip->Doorbell));
 | 
						|
 | 
						|
	/* bring ioc to operational state */
 | 
						|
	if ((recovery_state = mpt_do_ioc_recovery(ioc,
 | 
						|
	    MPT_HOSTEVENT_IOC_RECOVER, CAN_SLEEP)) != 0) {
 | 
						|
		printk(MYIOC_s_INFO_FMT
 | 
						|
			"pci-resume: Cannot recover, error:[%x]\n",
 | 
						|
			ioc->name, recovery_state);
 | 
						|
	} else {
 | 
						|
		printk(MYIOC_s_INFO_FMT
 | 
						|
			"pci-resume: success\n", ioc->name);
 | 
						|
	}
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
#endif
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_do_ioc_recovery - Initialize or recover MPT adapter.
 | 
						|
 *	@ioc: Pointer to MPT adapter structure
 | 
						|
 *	@reason: Event word / reason
 | 
						|
 *	@sleepFlag: Use schedule if CAN_SLEEP else use udelay.
 | 
						|
 *
 | 
						|
 *	This routine performs all the steps necessary to bring the IOC
 | 
						|
 *	to a OPERATIONAL state.
 | 
						|
 *
 | 
						|
 *	This routine also pre-fetches the LAN MAC address of a Fibre Channel
 | 
						|
 *	MPT adapter.
 | 
						|
 *
 | 
						|
 *	Returns:
 | 
						|
 *		 0 for success
 | 
						|
 *		-1 if failed to get board READY
 | 
						|
 *		-2 if READY but IOCFacts Failed
 | 
						|
 *		-3 if READY but PrimeIOCFifos Failed
 | 
						|
 *		-4 if READY but IOCInit Failed
 | 
						|
 */
 | 
						|
static int
 | 
						|
mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 | 
						|
{
 | 
						|
	int	 hard_reset_done = 0;
 | 
						|
	int	 alt_ioc_ready = 0;
 | 
						|
	int	 hard;
 | 
						|
	int	 rc=0;
 | 
						|
	int	 ii;
 | 
						|
	int	 handlers;
 | 
						|
	int	 ret = 0;
 | 
						|
	int	 reset_alt_ioc_active = 0;
 | 
						|
 | 
						|
	printk(KERN_INFO MYNAM ": Initiating %s %s\n",
 | 
						|
			ioc->name, reason==MPT_HOSTEVENT_IOC_BRINGUP ? "bringup" : "recovery");
 | 
						|
 | 
						|
	/* Disable reply interrupts (also blocks FreeQ) */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
 | 
						|
	ioc->active = 0;
 | 
						|
 | 
						|
	if (ioc->alt_ioc) {
 | 
						|
		if (ioc->alt_ioc->active)
 | 
						|
			reset_alt_ioc_active = 1;
 | 
						|
 | 
						|
		/* Disable alt-IOC's reply interrupts (and FreeQ) for a bit ... */
 | 
						|
		CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, 0xFFFFFFFF);
 | 
						|
		ioc->alt_ioc->active = 0;
 | 
						|
	}
 | 
						|
 | 
						|
	hard = 1;
 | 
						|
	if (reason == MPT_HOSTEVENT_IOC_BRINGUP)
 | 
						|
		hard = 0;
 | 
						|
 | 
						|
	if ((hard_reset_done = MakeIocReady(ioc, hard, sleepFlag)) < 0) {
 | 
						|
		if (hard_reset_done == -4) {
 | 
						|
			printk(KERN_WARNING MYNAM ": %s Owned by PEER..skipping!\n",
 | 
						|
					ioc->name);
 | 
						|
 | 
						|
			if (reset_alt_ioc_active && ioc->alt_ioc) {
 | 
						|
				/* (re)Enable alt-IOC! (reply interrupt, FreeQ) */
 | 
						|
				dprintk((KERN_INFO MYNAM ": alt-%s reply irq re-enabled\n",
 | 
						|
						ioc->alt_ioc->name));
 | 
						|
				CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, ~(MPI_HIM_RIM));
 | 
						|
				ioc->alt_ioc->active = 1;
 | 
						|
			}
 | 
						|
 | 
						|
		} else {
 | 
						|
			printk(KERN_WARNING MYNAM ": %s NOT READY WARNING!\n",
 | 
						|
					ioc->name);
 | 
						|
		}
 | 
						|
		return -1;
 | 
						|
	}
 | 
						|
 | 
						|
	/* hard_reset_done = 0 if a soft reset was performed
 | 
						|
	 * and 1 if a hard reset was performed.
 | 
						|
	 */
 | 
						|
	if (hard_reset_done && reset_alt_ioc_active && ioc->alt_ioc) {
 | 
						|
		if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0)
 | 
						|
			alt_ioc_ready = 1;
 | 
						|
		else
 | 
						|
			printk(KERN_WARNING MYNAM
 | 
						|
					": alt-%s: Not ready WARNING!\n",
 | 
						|
					ioc->alt_ioc->name);
 | 
						|
	}
 | 
						|
 | 
						|
	for (ii=0; ii<5; ii++) {
 | 
						|
		/* Get IOC facts! Allow 5 retries */
 | 
						|
		if ((rc = GetIocFacts(ioc, sleepFlag, reason)) == 0)
 | 
						|
			break;
 | 
						|
	}
 | 
						|
	
 | 
						|
 | 
						|
	if (ii == 5) {
 | 
						|
		dinitprintk((MYIOC_s_INFO_FMT "Retry IocFacts failed rc=%x\n", ioc->name, rc));
 | 
						|
		ret = -2;
 | 
						|
	} else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
 | 
						|
		MptDisplayIocCapabilities(ioc);
 | 
						|
	}
 | 
						|
	
 | 
						|
	if (alt_ioc_ready) {
 | 
						|
		if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) {
 | 
						|
			dinitprintk((MYIOC_s_INFO_FMT "Initial Alt IocFacts failed rc=%x\n", ioc->name, rc));
 | 
						|
			/* Retry - alt IOC was initialized once
 | 
						|
			 */
 | 
						|
			rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason);
 | 
						|
		}
 | 
						|
		if (rc) {
 | 
						|
			dinitprintk((MYIOC_s_INFO_FMT "Retry Alt IocFacts failed rc=%x\n", ioc->name, rc));
 | 
						|
			alt_ioc_ready = 0;
 | 
						|
			reset_alt_ioc_active = 0;
 | 
						|
		} else if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
 | 
						|
			MptDisplayIocCapabilities(ioc->alt_ioc);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/* Prime reply & request queues!
 | 
						|
	 * (mucho alloc's) Must be done prior to
 | 
						|
	 * init as upper addresses are needed for init.
 | 
						|
	 * If fails, continue with alt-ioc processing
 | 
						|
	 */
 | 
						|
	if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0))
 | 
						|
		ret = -3;
 | 
						|
 | 
						|
	/* May need to check/upload firmware & data here!
 | 
						|
	 * If fails, continue with alt-ioc processing
 | 
						|
	 */
 | 
						|
	if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0))
 | 
						|
		ret = -4;
 | 
						|
// NEW!
 | 
						|
	if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) {
 | 
						|
		printk(KERN_WARNING MYNAM ": alt-%s: (%d) FIFO mgmt alloc WARNING!\n",
 | 
						|
				ioc->alt_ioc->name, rc);
 | 
						|
		alt_ioc_ready = 0;
 | 
						|
		reset_alt_ioc_active = 0;
 | 
						|
	}
 | 
						|
 | 
						|
	if (alt_ioc_ready) {
 | 
						|
		if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) {
 | 
						|
			alt_ioc_ready = 0;
 | 
						|
			reset_alt_ioc_active = 0;
 | 
						|
			printk(KERN_WARNING MYNAM
 | 
						|
				": alt-%s: (%d) init failure WARNING!\n",
 | 
						|
					ioc->alt_ioc->name, rc);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if (reason == MPT_HOSTEVENT_IOC_BRINGUP){
 | 
						|
		if (ioc->upload_fw) {
 | 
						|
			ddlprintk((MYIOC_s_INFO_FMT
 | 
						|
				"firmware upload required!\n", ioc->name));
 | 
						|
 | 
						|
			/* Controller is not operational, cannot do upload
 | 
						|
			 */
 | 
						|
			if (ret == 0) {
 | 
						|
				rc = mpt_do_upload(ioc, sleepFlag);
 | 
						|
				if (rc != 0)
 | 
						|
					printk(KERN_WARNING MYNAM ": firmware upload failure!\n");
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if (ret == 0) {
 | 
						|
		/* Enable! (reply interrupt) */
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->IntMask, ~(MPI_HIM_RIM));
 | 
						|
		ioc->active = 1;
 | 
						|
	}
 | 
						|
 | 
						|
	if (reset_alt_ioc_active && ioc->alt_ioc) {
 | 
						|
		/* (re)Enable alt-IOC! (reply interrupt) */
 | 
						|
		dprintk((KERN_INFO MYNAM ": alt-%s reply irq re-enabled\n",
 | 
						|
				ioc->alt_ioc->name));
 | 
						|
		CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, ~(MPI_HIM_RIM));
 | 
						|
		ioc->alt_ioc->active = 1;
 | 
						|
	}
 | 
						|
 | 
						|
	/*  Enable MPT base driver management of EventNotification
 | 
						|
	 *  and EventAck handling.
 | 
						|
	 */
 | 
						|
	if ((ret == 0) && (!ioc->facts.EventState))
 | 
						|
		(void) SendEventNotification(ioc, 1);	/* 1=Enable EventNotification */
 | 
						|
 | 
						|
	if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState)
 | 
						|
		(void) SendEventNotification(ioc->alt_ioc, 1);	/* 1=Enable EventNotification */
 | 
						|
 | 
						|
	/*	Add additional "reason" check before call to GetLanConfigPages
 | 
						|
	 *	(combined with GetIoUnitPage2 call).  This prevents a somewhat
 | 
						|
	 *	recursive scenario; GetLanConfigPages times out, timer expired
 | 
						|
	 *	routine calls HardResetHandler, which calls into here again,
 | 
						|
	 *	and we try GetLanConfigPages again...
 | 
						|
	 */
 | 
						|
	if ((ret == 0) && (reason == MPT_HOSTEVENT_IOC_BRINGUP)) {
 | 
						|
		if (ioc->bus_type == FC) {
 | 
						|
			/*
 | 
						|
			 *  Pre-fetch FC port WWN and stuff...
 | 
						|
			 *  (FCPortPage0_t stuff)
 | 
						|
			 */
 | 
						|
			for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
 | 
						|
				(void) GetFcPortPage0(ioc, ii);
 | 
						|
			}
 | 
						|
 | 
						|
			if ((ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) &&
 | 
						|
			    (ioc->lan_cnfg_page0.Header.PageLength == 0)) {
 | 
						|
				/*
 | 
						|
				 *  Pre-fetch the ports LAN MAC address!
 | 
						|
				 *  (LANPage1_t stuff)
 | 
						|
				 */
 | 
						|
				(void) GetLanConfigPages(ioc);
 | 
						|
#ifdef MPT_DEBUG
 | 
						|
				{
 | 
						|
					u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
 | 
						|
					dprintk((MYIOC_s_INFO_FMT "LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
 | 
						|
							ioc->name, a[5], a[4], a[3], a[2], a[1], a[0] ));
 | 
						|
				}
 | 
						|
#endif
 | 
						|
			}
 | 
						|
		} else {
 | 
						|
			/* Get NVRAM and adapter maximums from SPP 0 and 2
 | 
						|
			 */
 | 
						|
			mpt_GetScsiPortSettings(ioc, 0);
 | 
						|
 | 
						|
			/* Get version and length of SDP 1
 | 
						|
			 */
 | 
						|
			mpt_readScsiDevicePageHeaders(ioc, 0);
 | 
						|
 | 
						|
			/* Find IM volumes
 | 
						|
			 */
 | 
						|
			if (ioc->facts.MsgVersion >= 0x0102)
 | 
						|
				mpt_findImVolumes(ioc);
 | 
						|
 | 
						|
			/* Check, and possibly reset, the coalescing value
 | 
						|
			 */
 | 
						|
			mpt_read_ioc_pg_1(ioc);
 | 
						|
 | 
						|
			mpt_read_ioc_pg_4(ioc);
 | 
						|
		}
 | 
						|
 | 
						|
		GetIoUnitPage2(ioc);
 | 
						|
	}
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Call each currently registered protocol IOC reset handler
 | 
						|
	 * with post-reset indication.
 | 
						|
	 * NOTE: If we're doing _IOC_BRINGUP, there can be no
 | 
						|
	 * MptResetHandlers[] registered yet.
 | 
						|
	 */
 | 
						|
	if (hard_reset_done) {
 | 
						|
		rc = handlers = 0;
 | 
						|
		for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
 | 
						|
			if ((ret == 0) && MptResetHandlers[ii]) {
 | 
						|
				dprintk((MYIOC_s_INFO_FMT "Calling IOC post_reset handler #%d\n",
 | 
						|
						ioc->name, ii));
 | 
						|
				rc += (*(MptResetHandlers[ii]))(ioc, MPT_IOC_POST_RESET);
 | 
						|
				handlers++;
 | 
						|
			}
 | 
						|
 | 
						|
			if (alt_ioc_ready && MptResetHandlers[ii]) {
 | 
						|
				dprintk((MYIOC_s_INFO_FMT "Calling alt-%s post_reset handler #%d\n",
 | 
						|
						ioc->name, ioc->alt_ioc->name, ii));
 | 
						|
				rc += (*(MptResetHandlers[ii]))(ioc->alt_ioc, MPT_IOC_POST_RESET);
 | 
						|
				handlers++;
 | 
						|
			}
 | 
						|
		}
 | 
						|
		/* FIXME?  Examine results here? */
 | 
						|
	}
 | 
						|
 | 
						|
	return ret;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_detect_bound_ports - Search for PCI bus/dev_function
 | 
						|
 *	which matches PCI bus/dev_function (+/-1) for newly discovered 929,
 | 
						|
 *	929X, 1030 or 1035.
 | 
						|
 *	@ioc: Pointer to MPT adapter structure
 | 
						|
 *	@pdev: Pointer to (struct pci_dev) structure
 | 
						|
 *
 | 
						|
 *	If match on PCI dev_function +/-1 is found, bind the two MPT adapters
 | 
						|
 *	using alt_ioc pointer fields in their %MPT_ADAPTER structures.
 | 
						|
 */
 | 
						|
static void
 | 
						|
mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev)
 | 
						|
{
 | 
						|
	struct pci_dev *peer=NULL;
 | 
						|
	unsigned int slot = PCI_SLOT(pdev->devfn);
 | 
						|
	unsigned int func = PCI_FUNC(pdev->devfn);
 | 
						|
	MPT_ADAPTER *ioc_srch;
 | 
						|
 | 
						|
	dprintk((MYIOC_s_INFO_FMT "PCI device %s devfn=%x/%x,"
 | 
						|
	    " searching for devfn match on %x or %x\n",
 | 
						|
		ioc->name, pci_name(pdev), pdev->devfn,
 | 
						|
		func-1, func+1));
 | 
						|
 | 
						|
	peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func-1));
 | 
						|
	if (!peer) {
 | 
						|
		peer = pci_get_slot(pdev->bus, PCI_DEVFN(slot,func+1));
 | 
						|
		if (!peer)
 | 
						|
			return;
 | 
						|
	}
 | 
						|
 | 
						|
	list_for_each_entry(ioc_srch, &ioc_list, list) {
 | 
						|
		struct pci_dev *_pcidev = ioc_srch->pcidev;
 | 
						|
		if (_pcidev == peer) {
 | 
						|
			/* Paranoia checks */
 | 
						|
			if (ioc->alt_ioc != NULL) {
 | 
						|
				printk(KERN_WARNING MYNAM ": Oops, already bound (%s <==> %s)!\n",
 | 
						|
					ioc->name, ioc->alt_ioc->name);
 | 
						|
				break;
 | 
						|
			} else if (ioc_srch->alt_ioc != NULL) {
 | 
						|
				printk(KERN_WARNING MYNAM ": Oops, already bound (%s <==> %s)!\n",
 | 
						|
					ioc_srch->name, ioc_srch->alt_ioc->name);
 | 
						|
				break;
 | 
						|
			}
 | 
						|
			dprintk((KERN_INFO MYNAM ": FOUND! binding %s <==> %s\n",
 | 
						|
				ioc->name, ioc_srch->name));
 | 
						|
			ioc_srch->alt_ioc = ioc;
 | 
						|
			ioc->alt_ioc = ioc_srch;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	pci_dev_put(peer);
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_adapter_disable - Disable misbehaving MPT adapter.
 | 
						|
 *	@this: Pointer to MPT adapter structure
 | 
						|
 */
 | 
						|
static void
 | 
						|
mpt_adapter_disable(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	int sz;
 | 
						|
	int ret;
 | 
						|
 | 
						|
	if (ioc->cached_fw != NULL) {
 | 
						|
		ddlprintk((KERN_INFO MYNAM ": mpt_adapter_disable: Pushing FW onto adapter\n"));
 | 
						|
		if ((ret = mpt_downloadboot(ioc, NO_SLEEP)) < 0) {
 | 
						|
			printk(KERN_WARNING MYNAM
 | 
						|
				": firmware downloadboot failure (%d)!\n", ret);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/* Disable adapter interrupts! */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
 | 
						|
	ioc->active = 0;
 | 
						|
	/* Clear any lingering interrupt */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
 | 
						|
	if (ioc->alloc != NULL) {
 | 
						|
		sz = ioc->alloc_sz;
 | 
						|
		dexitprintk((KERN_INFO MYNAM ": %s.free  @ %p, sz=%d bytes\n",
 | 
						|
		 	ioc->name, ioc->alloc, ioc->alloc_sz));
 | 
						|
		pci_free_consistent(ioc->pcidev, sz,
 | 
						|
				ioc->alloc, ioc->alloc_dma);
 | 
						|
		ioc->reply_frames = NULL;
 | 
						|
		ioc->req_frames = NULL;
 | 
						|
		ioc->alloc = NULL;
 | 
						|
		ioc->alloc_total -= sz;
 | 
						|
	}
 | 
						|
 | 
						|
	if (ioc->sense_buf_pool != NULL) {
 | 
						|
		sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
 | 
						|
		pci_free_consistent(ioc->pcidev, sz,
 | 
						|
				ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
 | 
						|
		ioc->sense_buf_pool = NULL;
 | 
						|
		ioc->alloc_total -= sz;
 | 
						|
	}
 | 
						|
 | 
						|
	if (ioc->events != NULL){
 | 
						|
		sz = MPTCTL_EVENT_LOG_SIZE * sizeof(MPT_IOCTL_EVENTS);
 | 
						|
		kfree(ioc->events);
 | 
						|
		ioc->events = NULL;
 | 
						|
		ioc->alloc_total -= sz;
 | 
						|
	}
 | 
						|
 | 
						|
	if (ioc->cached_fw != NULL) {
 | 
						|
		sz = ioc->facts.FWImageSize;
 | 
						|
		pci_free_consistent(ioc->pcidev, sz,
 | 
						|
			ioc->cached_fw, ioc->cached_fw_dma);
 | 
						|
		ioc->cached_fw = NULL;
 | 
						|
		ioc->alloc_total -= sz;
 | 
						|
	}
 | 
						|
 | 
						|
	kfree(ioc->spi_data.nvram);
 | 
						|
	kfree(ioc->spi_data.pIocPg3);
 | 
						|
	ioc->spi_data.nvram = NULL;
 | 
						|
	ioc->spi_data.pIocPg3 = NULL;
 | 
						|
 | 
						|
	if (ioc->spi_data.pIocPg4 != NULL) {
 | 
						|
		sz = ioc->spi_data.IocPg4Sz;
 | 
						|
		pci_free_consistent(ioc->pcidev, sz, 
 | 
						|
			ioc->spi_data.pIocPg4,
 | 
						|
			ioc->spi_data.IocPg4_dma);
 | 
						|
		ioc->spi_data.pIocPg4 = NULL;
 | 
						|
		ioc->alloc_total -= sz;
 | 
						|
	}
 | 
						|
 | 
						|
	if (ioc->ReqToChain != NULL) {
 | 
						|
		kfree(ioc->ReqToChain);
 | 
						|
		kfree(ioc->RequestNB);
 | 
						|
		ioc->ReqToChain = NULL;
 | 
						|
	}
 | 
						|
 | 
						|
	kfree(ioc->ChainToChain);
 | 
						|
	ioc->ChainToChain = NULL;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_adapter_dispose - Free all resources associated with a MPT
 | 
						|
 *	adapter.
 | 
						|
 *	@ioc: Pointer to MPT adapter structure
 | 
						|
 *
 | 
						|
 *	This routine unregisters h/w resources and frees all alloc'd memory
 | 
						|
 *	associated with a MPT adapter structure.
 | 
						|
 */
 | 
						|
static void
 | 
						|
mpt_adapter_dispose(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	if (ioc != NULL) {
 | 
						|
		int sz_first, sz_last;
 | 
						|
 | 
						|
		sz_first = ioc->alloc_total;
 | 
						|
 | 
						|
		mpt_adapter_disable(ioc);
 | 
						|
 | 
						|
		if (ioc->pci_irq != -1) {
 | 
						|
			free_irq(ioc->pci_irq, ioc);
 | 
						|
			ioc->pci_irq = -1;
 | 
						|
		}
 | 
						|
 | 
						|
		if (ioc->memmap != NULL)
 | 
						|
			iounmap(ioc->memmap);
 | 
						|
 | 
						|
#if defined(CONFIG_MTRR) && 0
 | 
						|
		if (ioc->mtrr_reg > 0) {
 | 
						|
			mtrr_del(ioc->mtrr_reg, 0, 0);
 | 
						|
			dprintk((KERN_INFO MYNAM ": %s: MTRR region de-registered\n", ioc->name));
 | 
						|
		}
 | 
						|
#endif
 | 
						|
 | 
						|
		/*  Zap the adapter lookup ptr!  */
 | 
						|
		list_del(&ioc->list);
 | 
						|
 | 
						|
		sz_last = ioc->alloc_total;
 | 
						|
		dprintk((KERN_INFO MYNAM ": %s: free'd %d of %d bytes\n",
 | 
						|
				ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first));
 | 
						|
		kfree(ioc);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	MptDisplayIocCapabilities - Disply IOC's capacilities.
 | 
						|
 *	@ioc: Pointer to MPT adapter structure
 | 
						|
 */
 | 
						|
static void
 | 
						|
MptDisplayIocCapabilities(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	int i = 0;
 | 
						|
 | 
						|
	printk(KERN_INFO "%s: ", ioc->name);
 | 
						|
	if (ioc->prod_name && strlen(ioc->prod_name) > 3)
 | 
						|
		printk("%s: ", ioc->prod_name+3);
 | 
						|
	printk("Capabilities={");
 | 
						|
 | 
						|
	if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_INITIATOR) {
 | 
						|
		printk("Initiator");
 | 
						|
		i++;
 | 
						|
	}
 | 
						|
 | 
						|
	if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
 | 
						|
		printk("%sTarget", i ? "," : "");
 | 
						|
		i++;
 | 
						|
	}
 | 
						|
 | 
						|
	if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
 | 
						|
		printk("%sLAN", i ? "," : "");
 | 
						|
		i++;
 | 
						|
	}
 | 
						|
 | 
						|
#if 0
 | 
						|
	/*
 | 
						|
	 *  This would probably evoke more questions than it's worth
 | 
						|
	 */
 | 
						|
	if (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_TARGET) {
 | 
						|
		printk("%sLogBusAddr", i ? "," : "");
 | 
						|
		i++;
 | 
						|
	}
 | 
						|
#endif
 | 
						|
 | 
						|
	printk("}\n");
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	MakeIocReady - Get IOC to a READY state, using KickStart if needed.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@force: Force hard KickStart of IOC
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	Returns:
 | 
						|
 *		 1 - DIAG reset and READY
 | 
						|
 *		 0 - READY initially OR soft reset and READY
 | 
						|
 *		-1 - Any failure on KickStart
 | 
						|
 *		-2 - Msg Unit Reset Failed
 | 
						|
 *		-3 - IO Unit Reset Failed
 | 
						|
 *		-4 - IOC owned by a PEER
 | 
						|
 */
 | 
						|
static int
 | 
						|
MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag)
 | 
						|
{
 | 
						|
	u32	 ioc_state;
 | 
						|
	int	 statefault = 0;
 | 
						|
	int	 cntdn;
 | 
						|
	int	 hard_reset_done = 0;
 | 
						|
	int	 r;
 | 
						|
	int	 ii;
 | 
						|
	int	 whoinit;
 | 
						|
 | 
						|
	/* Get current [raw] IOC state  */
 | 
						|
	ioc_state = mpt_GetIocState(ioc, 0);
 | 
						|
	dhsprintk((KERN_INFO MYNAM "::MakeIocReady, %s [raw] state=%08x\n", ioc->name, ioc_state));
 | 
						|
 | 
						|
	/*
 | 
						|
	 *	Check to see if IOC got left/stuck in doorbell handshake
 | 
						|
	 *	grip of death.  If so, hard reset the IOC.
 | 
						|
	 */
 | 
						|
	if (ioc_state & MPI_DOORBELL_ACTIVE) {
 | 
						|
		statefault = 1;
 | 
						|
		printk(MYIOC_s_WARN_FMT "Unexpected doorbell active!\n",
 | 
						|
				ioc->name);
 | 
						|
	}
 | 
						|
 | 
						|
	/* Is it already READY? */
 | 
						|
	if (!statefault && (ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY) 
 | 
						|
		return 0;
 | 
						|
 | 
						|
	/*
 | 
						|
	 *	Check to see if IOC is in FAULT state.
 | 
						|
	 */
 | 
						|
	if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_FAULT) {
 | 
						|
		statefault = 2;
 | 
						|
		printk(MYIOC_s_WARN_FMT "IOC is in FAULT state!!!\n",
 | 
						|
				ioc->name);
 | 
						|
		printk(KERN_WARNING "           FAULT code = %04xh\n",
 | 
						|
				ioc_state & MPI_DOORBELL_DATA_MASK);
 | 
						|
	}
 | 
						|
 | 
						|
	/*
 | 
						|
	 *	Hmmm...  Did it get left operational?
 | 
						|
	 */
 | 
						|
	if ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_OPERATIONAL) {
 | 
						|
		dinitprintk((MYIOC_s_WARN_FMT "IOC operational unexpected\n",
 | 
						|
				ioc->name));
 | 
						|
 | 
						|
		/* Check WhoInit.
 | 
						|
		 * If PCI Peer, exit.
 | 
						|
		 * Else, if no fault conditions are present, issue a MessageUnitReset
 | 
						|
		 * Else, fall through to KickStart case
 | 
						|
		 */
 | 
						|
		whoinit = (ioc_state & MPI_DOORBELL_WHO_INIT_MASK) >> MPI_DOORBELL_WHO_INIT_SHIFT;
 | 
						|
		dprintk((KERN_WARNING MYNAM
 | 
						|
			": whoinit 0x%x\n statefault %d force %d\n",
 | 
						|
			whoinit, statefault, force));
 | 
						|
		if (whoinit == MPI_WHOINIT_PCI_PEER)
 | 
						|
			return -4;
 | 
						|
		else {
 | 
						|
			if ((statefault == 0 ) && (force == 0)) {
 | 
						|
				if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) == 0)
 | 
						|
					return 0;
 | 
						|
			}
 | 
						|
			statefault = 3;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	hard_reset_done = KickStart(ioc, statefault||force, sleepFlag);
 | 
						|
	if (hard_reset_done < 0)
 | 
						|
		return -1;
 | 
						|
 | 
						|
	/*
 | 
						|
	 *  Loop here waiting for IOC to come READY.
 | 
						|
	 */
 | 
						|
	ii = 0;
 | 
						|
	cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15;	/* 15 seconds */
 | 
						|
 | 
						|
	while ((ioc_state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
 | 
						|
		if (ioc_state == MPI_IOC_STATE_OPERATIONAL) {
 | 
						|
			/*
 | 
						|
			 *  BIOS or previous driver load left IOC in OP state.
 | 
						|
			 *  Reset messaging FIFOs.
 | 
						|
			 */
 | 
						|
			if ((r = SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag)) != 0) {
 | 
						|
				printk(MYIOC_s_ERR_FMT "IOC msg unit reset failed!\n", ioc->name);
 | 
						|
				return -2;
 | 
						|
			}
 | 
						|
		} else if (ioc_state == MPI_IOC_STATE_RESET) {
 | 
						|
			/*
 | 
						|
			 *  Something is wrong.  Try to get IOC back
 | 
						|
			 *  to a known state.
 | 
						|
			 */
 | 
						|
			if ((r = SendIocReset(ioc, MPI_FUNCTION_IO_UNIT_RESET, sleepFlag)) != 0) {
 | 
						|
				printk(MYIOC_s_ERR_FMT "IO unit reset failed!\n", ioc->name);
 | 
						|
				return -3;
 | 
						|
			}
 | 
						|
		}
 | 
						|
 | 
						|
		ii++; cntdn--;
 | 
						|
		if (!cntdn) {
 | 
						|
			printk(MYIOC_s_ERR_FMT "Wait IOC_READY state timeout(%d)!\n",
 | 
						|
					ioc->name, (int)((ii+5)/HZ));
 | 
						|
			return -ETIME;
 | 
						|
		}
 | 
						|
 | 
						|
		if (sleepFlag == CAN_SLEEP) {
 | 
						|
			msleep_interruptible(1);
 | 
						|
		} else {
 | 
						|
			mdelay (1);	/* 1 msec delay */
 | 
						|
		}
 | 
						|
 | 
						|
	}
 | 
						|
 | 
						|
	if (statefault < 3) {
 | 
						|
		printk(MYIOC_s_INFO_FMT "Recovered from %s\n",
 | 
						|
				ioc->name,
 | 
						|
				statefault==1 ? "stuck handshake" : "IOC FAULT");
 | 
						|
	}
 | 
						|
 | 
						|
	return hard_reset_done;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_GetIocState - Get the current state of a MPT adapter.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@cooked: Request raw or cooked IOC state
 | 
						|
 *
 | 
						|
 *	Returns all IOC Doorbell register bits if cooked==0, else just the
 | 
						|
 *	Doorbell bits in MPI_IOC_STATE_MASK.
 | 
						|
 */
 | 
						|
u32
 | 
						|
mpt_GetIocState(MPT_ADAPTER *ioc, int cooked)
 | 
						|
{
 | 
						|
	u32 s, sc;
 | 
						|
 | 
						|
	/*  Get!  */
 | 
						|
	s = CHIPREG_READ32(&ioc->chip->Doorbell);
 | 
						|
//	dprintk((MYIOC_s_INFO_FMT "raw state = %08x\n", ioc->name, s));
 | 
						|
	sc = s & MPI_IOC_STATE_MASK;
 | 
						|
 | 
						|
	/*  Save!  */
 | 
						|
	ioc->last_state = sc;
 | 
						|
 | 
						|
	return cooked ? sc : s;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	GetIocFacts - Send IOCFacts request to MPT adapter.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *	@reason: If recovery, only update facts.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
static int
 | 
						|
GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
 | 
						|
{
 | 
						|
	IOCFacts_t		 get_facts;
 | 
						|
	IOCFactsReply_t		*facts;
 | 
						|
	int			 r;
 | 
						|
	int			 req_sz;
 | 
						|
	int			 reply_sz;
 | 
						|
	int			 sz;
 | 
						|
	u32			 status, vv;
 | 
						|
	u8			 shiftFactor=1;
 | 
						|
 | 
						|
	/* IOC *must* NOT be in RESET state! */
 | 
						|
	if (ioc->last_state == MPI_IOC_STATE_RESET) {
 | 
						|
		printk(KERN_ERR MYNAM ": ERROR - Can't get IOCFacts, %s NOT READY! (%08x)\n",
 | 
						|
				ioc->name,
 | 
						|
				ioc->last_state );
 | 
						|
		return -44;
 | 
						|
	}
 | 
						|
 | 
						|
	facts = &ioc->facts;
 | 
						|
 | 
						|
	/* Destination (reply area)... */
 | 
						|
	reply_sz = sizeof(*facts);
 | 
						|
	memset(facts, 0, reply_sz);
 | 
						|
 | 
						|
	/* Request area (get_facts on the stack right now!) */
 | 
						|
	req_sz = sizeof(get_facts);
 | 
						|
	memset(&get_facts, 0, req_sz);
 | 
						|
 | 
						|
	get_facts.Function = MPI_FUNCTION_IOC_FACTS;
 | 
						|
	/* Assert: All other get_facts fields are zero! */
 | 
						|
 | 
						|
	dinitprintk((MYIOC_s_INFO_FMT 
 | 
						|
	    "Sending get IocFacts request req_sz=%d reply_sz=%d\n", 
 | 
						|
	    ioc->name, req_sz, reply_sz));
 | 
						|
 | 
						|
	/* No non-zero fields in the get_facts request are greater than
 | 
						|
	 * 1 byte in size, so we can just fire it off as is.
 | 
						|
	 */
 | 
						|
	r = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_facts,
 | 
						|
			reply_sz, (u16*)facts, 5 /*seconds*/, sleepFlag);
 | 
						|
	if (r != 0)
 | 
						|
		return r;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Now byte swap (GRRR) the necessary fields before any further
 | 
						|
	 * inspection of reply contents.
 | 
						|
	 *
 | 
						|
	 * But need to do some sanity checks on MsgLength (byte) field
 | 
						|
	 * to make sure we don't zero IOC's req_sz!
 | 
						|
	 */
 | 
						|
	/* Did we get a valid reply? */
 | 
						|
	if (facts->MsgLength > offsetof(IOCFactsReply_t, RequestFrameSize)/sizeof(u32)) {
 | 
						|
		if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
 | 
						|
			/*
 | 
						|
			 * If not been here, done that, save off first WhoInit value
 | 
						|
			 */
 | 
						|
			if (ioc->FirstWhoInit == WHOINIT_UNKNOWN)
 | 
						|
				ioc->FirstWhoInit = facts->WhoInit;
 | 
						|
		}
 | 
						|
 | 
						|
		facts->MsgVersion = le16_to_cpu(facts->MsgVersion);
 | 
						|
		facts->MsgContext = le32_to_cpu(facts->MsgContext);
 | 
						|
		facts->IOCExceptions = le16_to_cpu(facts->IOCExceptions);
 | 
						|
		facts->IOCStatus = le16_to_cpu(facts->IOCStatus);
 | 
						|
		facts->IOCLogInfo = le32_to_cpu(facts->IOCLogInfo);
 | 
						|
		status = facts->IOCStatus & MPI_IOCSTATUS_MASK;
 | 
						|
		/* CHECKME! IOCStatus, IOCLogInfo */
 | 
						|
 | 
						|
		facts->ReplyQueueDepth = le16_to_cpu(facts->ReplyQueueDepth);
 | 
						|
		facts->RequestFrameSize = le16_to_cpu(facts->RequestFrameSize);
 | 
						|
 | 
						|
		/*
 | 
						|
		 * FC f/w version changed between 1.1 and 1.2
 | 
						|
		 *	Old: u16{Major(4),Minor(4),SubMinor(8)}
 | 
						|
		 *	New: u32{Major(8),Minor(8),Unit(8),Dev(8)}
 | 
						|
		 */
 | 
						|
		if (facts->MsgVersion < 0x0102) {
 | 
						|
			/*
 | 
						|
			 *	Handle old FC f/w style, convert to new...
 | 
						|
			 */
 | 
						|
			u16	 oldv = le16_to_cpu(facts->Reserved_0101_FWVersion);
 | 
						|
			facts->FWVersion.Word =
 | 
						|
					((oldv<<12) & 0xFF000000) |
 | 
						|
					((oldv<<8)  & 0x000FFF00);
 | 
						|
		} else
 | 
						|
			facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word);
 | 
						|
 | 
						|
		facts->ProductID = le16_to_cpu(facts->ProductID);
 | 
						|
		facts->CurrentHostMfaHighAddr =
 | 
						|
				le32_to_cpu(facts->CurrentHostMfaHighAddr);
 | 
						|
		facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits);
 | 
						|
		facts->CurrentSenseBufferHighAddr =
 | 
						|
				le32_to_cpu(facts->CurrentSenseBufferHighAddr);
 | 
						|
		facts->CurReplyFrameSize =
 | 
						|
				le16_to_cpu(facts->CurReplyFrameSize);
 | 
						|
 | 
						|
		/*
 | 
						|
		 * Handle NEW (!) IOCFactsReply fields in MPI-1.01.xx
 | 
						|
		 * Older MPI-1.00.xx struct had 13 dwords, and enlarged
 | 
						|
		 * to 14 in MPI-1.01.0x.
 | 
						|
		 */
 | 
						|
		if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 &&
 | 
						|
		    facts->MsgVersion > 0x0100) {
 | 
						|
			facts->FWImageSize = le32_to_cpu(facts->FWImageSize);
 | 
						|
		}
 | 
						|
 | 
						|
		sz = facts->FWImageSize;
 | 
						|
		if ( sz & 0x01 )
 | 
						|
			sz += 1;
 | 
						|
		if ( sz & 0x02 )
 | 
						|
			sz += 2;
 | 
						|
		facts->FWImageSize = sz;
 | 
						|
		
 | 
						|
		if (!facts->RequestFrameSize) {
 | 
						|
			/*  Something is wrong!  */
 | 
						|
			printk(MYIOC_s_ERR_FMT "IOC reported invalid 0 request size!\n",
 | 
						|
					ioc->name);
 | 
						|
			return -55;
 | 
						|
		}
 | 
						|
 | 
						|
		r = sz = facts->BlockSize;
 | 
						|
		vv = ((63 / (sz * 4)) + 1) & 0x03;
 | 
						|
		ioc->NB_for_64_byte_frame = vv;
 | 
						|
		while ( sz )
 | 
						|
		{
 | 
						|
			shiftFactor++;
 | 
						|
			sz = sz >> 1;
 | 
						|
		}
 | 
						|
		ioc->NBShiftFactor  = shiftFactor;
 | 
						|
		dinitprintk((MYIOC_s_INFO_FMT "NB_for_64_byte_frame=%x NBShiftFactor=%x BlockSize=%x\n",
 | 
						|
					ioc->name, vv, shiftFactor, r));
 | 
						|
    
 | 
						|
		if (reason == MPT_HOSTEVENT_IOC_BRINGUP) {
 | 
						|
			/*
 | 
						|
			 * Set values for this IOC's request & reply frame sizes,
 | 
						|
			 * and request & reply queue depths...
 | 
						|
			 */
 | 
						|
			ioc->req_sz = min(MPT_DEFAULT_FRAME_SIZE, facts->RequestFrameSize * 4);
 | 
						|
			ioc->req_depth = min_t(int, MPT_MAX_REQ_DEPTH, facts->GlobalCredits);
 | 
						|
			ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
 | 
						|
			ioc->reply_depth = min_t(int, MPT_DEFAULT_REPLY_DEPTH, facts->ReplyQueueDepth);
 | 
						|
 | 
						|
			dinitprintk((MYIOC_s_INFO_FMT "reply_sz=%3d, reply_depth=%4d\n",
 | 
						|
				ioc->name, ioc->reply_sz, ioc->reply_depth));
 | 
						|
			dinitprintk((MYIOC_s_INFO_FMT "req_sz  =%3d, req_depth  =%4d\n",
 | 
						|
				ioc->name, ioc->req_sz, ioc->req_depth));
 | 
						|
 | 
						|
			/* Get port facts! */
 | 
						|
			if ( (r = GetPortFacts(ioc, 0, sleepFlag)) != 0 )
 | 
						|
				return r;
 | 
						|
		}
 | 
						|
	} else {
 | 
						|
		printk(MYIOC_s_ERR_FMT 
 | 
						|
		     "Invalid IOC facts reply, msgLength=%d offsetof=%zd!\n",
 | 
						|
		     ioc->name, facts->MsgLength, (offsetof(IOCFactsReply_t,
 | 
						|
		     RequestFrameSize)/sizeof(u32)));
 | 
						|
		return -66;
 | 
						|
	}
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	GetPortFacts - Send PortFacts request to MPT adapter.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@portnum: Port number
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
static int
 | 
						|
GetPortFacts(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
 | 
						|
{
 | 
						|
	PortFacts_t		 get_pfacts;
 | 
						|
	PortFactsReply_t	*pfacts;
 | 
						|
	int			 ii;
 | 
						|
	int			 req_sz;
 | 
						|
	int			 reply_sz;
 | 
						|
 | 
						|
	/* IOC *must* NOT be in RESET state! */
 | 
						|
	if (ioc->last_state == MPI_IOC_STATE_RESET) {
 | 
						|
		printk(KERN_ERR MYNAM ": ERROR - Can't get PortFacts, %s NOT READY! (%08x)\n",
 | 
						|
				ioc->name,
 | 
						|
				ioc->last_state );
 | 
						|
		return -4;
 | 
						|
	}
 | 
						|
 | 
						|
	pfacts = &ioc->pfacts[portnum];
 | 
						|
 | 
						|
	/* Destination (reply area)...  */
 | 
						|
	reply_sz = sizeof(*pfacts);
 | 
						|
	memset(pfacts, 0, reply_sz);
 | 
						|
 | 
						|
	/* Request area (get_pfacts on the stack right now!) */
 | 
						|
	req_sz = sizeof(get_pfacts);
 | 
						|
	memset(&get_pfacts, 0, req_sz);
 | 
						|
 | 
						|
	get_pfacts.Function = MPI_FUNCTION_PORT_FACTS;
 | 
						|
	get_pfacts.PortNumber = portnum;
 | 
						|
	/* Assert: All other get_pfacts fields are zero! */
 | 
						|
 | 
						|
	dinitprintk((MYIOC_s_INFO_FMT "Sending get PortFacts(%d) request\n",
 | 
						|
			ioc->name, portnum));
 | 
						|
 | 
						|
	/* No non-zero fields in the get_pfacts request are greater than
 | 
						|
	 * 1 byte in size, so we can just fire it off as is.
 | 
						|
	 */
 | 
						|
	ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&get_pfacts,
 | 
						|
				reply_sz, (u16*)pfacts, 5 /*seconds*/, sleepFlag);
 | 
						|
	if (ii != 0)
 | 
						|
		return ii;
 | 
						|
 | 
						|
	/* Did we get a valid reply? */
 | 
						|
 | 
						|
	/* Now byte swap the necessary fields in the response. */
 | 
						|
	pfacts->MsgContext = le32_to_cpu(pfacts->MsgContext);
 | 
						|
	pfacts->IOCStatus = le16_to_cpu(pfacts->IOCStatus);
 | 
						|
	pfacts->IOCLogInfo = le32_to_cpu(pfacts->IOCLogInfo);
 | 
						|
	pfacts->MaxDevices = le16_to_cpu(pfacts->MaxDevices);
 | 
						|
	pfacts->PortSCSIID = le16_to_cpu(pfacts->PortSCSIID);
 | 
						|
	pfacts->ProtocolFlags = le16_to_cpu(pfacts->ProtocolFlags);
 | 
						|
	pfacts->MaxPostedCmdBuffers = le16_to_cpu(pfacts->MaxPostedCmdBuffers);
 | 
						|
	pfacts->MaxPersistentIDs = le16_to_cpu(pfacts->MaxPersistentIDs);
 | 
						|
	pfacts->MaxLanBuckets = le16_to_cpu(pfacts->MaxLanBuckets);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	SendIocInit - Send IOCInit request to MPT adapter.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	Send IOCInit followed by PortEnable to bring IOC to OPERATIONAL state.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
static int
 | 
						|
SendIocInit(MPT_ADAPTER *ioc, int sleepFlag)
 | 
						|
{
 | 
						|
	IOCInit_t		 ioc_init;
 | 
						|
	MPIDefaultReply_t	 init_reply;
 | 
						|
	u32			 state;
 | 
						|
	int			 r;
 | 
						|
	int			 count;
 | 
						|
	int			 cntdn;
 | 
						|
 | 
						|
	memset(&ioc_init, 0, sizeof(ioc_init));
 | 
						|
	memset(&init_reply, 0, sizeof(init_reply));
 | 
						|
 | 
						|
	ioc_init.WhoInit = MPI_WHOINIT_HOST_DRIVER;
 | 
						|
	ioc_init.Function = MPI_FUNCTION_IOC_INIT;
 | 
						|
 | 
						|
	/* If we are in a recovery mode and we uploaded the FW image,
 | 
						|
	 * then this pointer is not NULL. Skip the upload a second time.
 | 
						|
	 * Set this flag if cached_fw set for either IOC.
 | 
						|
	 */
 | 
						|
	if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
 | 
						|
		ioc->upload_fw = 1;
 | 
						|
	else
 | 
						|
		ioc->upload_fw = 0;
 | 
						|
	ddlprintk((MYIOC_s_INFO_FMT "upload_fw %d facts.Flags=%x\n",
 | 
						|
		   ioc->name, ioc->upload_fw, ioc->facts.Flags));
 | 
						|
 | 
						|
	if (ioc->bus_type == FC)
 | 
						|
		ioc_init.MaxDevices = MPT_MAX_FC_DEVICES;
 | 
						|
	else
 | 
						|
		ioc_init.MaxDevices = MPT_MAX_SCSI_DEVICES;
 | 
						|
	
 | 
						|
	ioc_init.MaxBuses = MPT_MAX_BUS;
 | 
						|
 | 
						|
	ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz);	/* in BYTES */
 | 
						|
 | 
						|
	if (sizeof(dma_addr_t) == sizeof(u64)) {
 | 
						|
		/* Save the upper 32-bits of the request
 | 
						|
		 * (reply) and sense buffers.
 | 
						|
		 */
 | 
						|
		ioc_init.HostMfaHighAddr = cpu_to_le32((u32)((u64)ioc->alloc_dma >> 32));
 | 
						|
		ioc_init.SenseBufferHighAddr = cpu_to_le32((u32)((u64)ioc->sense_buf_pool_dma >> 32));
 | 
						|
	} else {
 | 
						|
		/* Force 32-bit addressing */
 | 
						|
		ioc_init.HostMfaHighAddr = cpu_to_le32(0);
 | 
						|
		ioc_init.SenseBufferHighAddr = cpu_to_le32(0);
 | 
						|
	}
 | 
						|
		
 | 
						|
	ioc->facts.CurrentHostMfaHighAddr = ioc_init.HostMfaHighAddr;
 | 
						|
	ioc->facts.CurrentSenseBufferHighAddr = ioc_init.SenseBufferHighAddr;
 | 
						|
 | 
						|
	dhsprintk((MYIOC_s_INFO_FMT "Sending IOCInit (req @ %p)\n",
 | 
						|
			ioc->name, &ioc_init));
 | 
						|
 | 
						|
	r = mpt_handshake_req_reply_wait(ioc, sizeof(IOCInit_t), (u32*)&ioc_init,
 | 
						|
				sizeof(MPIDefaultReply_t), (u16*)&init_reply, 10 /*seconds*/, sleepFlag);
 | 
						|
	if (r != 0)
 | 
						|
		return r;
 | 
						|
 | 
						|
	/* No need to byte swap the multibyte fields in the reply
 | 
						|
	 * since we don't even look at it's contents.
 | 
						|
	 */
 | 
						|
 | 
						|
	dhsprintk((MYIOC_s_INFO_FMT "Sending PortEnable (req @ %p)\n",
 | 
						|
			ioc->name, &ioc_init));
 | 
						|
	
 | 
						|
	if ((r = SendPortEnable(ioc, 0, sleepFlag)) != 0)
 | 
						|
		return r;
 | 
						|
 | 
						|
	/* YIKES!  SUPER IMPORTANT!!!
 | 
						|
	 *  Poll IocState until _OPERATIONAL while IOC is doing
 | 
						|
	 *  LoopInit and TargetDiscovery!
 | 
						|
	 */
 | 
						|
	count = 0;
 | 
						|
	cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 60;	/* 60 seconds */
 | 
						|
	state = mpt_GetIocState(ioc, 1);
 | 
						|
	while (state != MPI_IOC_STATE_OPERATIONAL && --cntdn) {
 | 
						|
		if (sleepFlag == CAN_SLEEP) {
 | 
						|
			msleep_interruptible(1);
 | 
						|
		} else {
 | 
						|
			mdelay(1);
 | 
						|
		}
 | 
						|
 | 
						|
		if (!cntdn) {
 | 
						|
			printk(MYIOC_s_ERR_FMT "Wait IOC_OP state timeout(%d)!\n",
 | 
						|
					ioc->name, (int)((count+5)/HZ));
 | 
						|
			return -9;
 | 
						|
		}
 | 
						|
 | 
						|
		state = mpt_GetIocState(ioc, 1);
 | 
						|
		count++;
 | 
						|
	}
 | 
						|
	dhsprintk((MYIOC_s_INFO_FMT "INFO - Wait IOC_OPERATIONAL state (cnt=%d)\n",
 | 
						|
			ioc->name, count));
 | 
						|
 | 
						|
	return r;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	SendPortEnable - Send PortEnable request to MPT adapter port.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@portnum: Port number to enable
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	Send PortEnable to bring IOC to OPERATIONAL state.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
static int
 | 
						|
SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
 | 
						|
{
 | 
						|
	PortEnable_t		 port_enable;
 | 
						|
	MPIDefaultReply_t	 reply_buf;
 | 
						|
	int	 ii;
 | 
						|
	int	 req_sz;
 | 
						|
	int	 reply_sz;
 | 
						|
 | 
						|
	/*  Destination...  */
 | 
						|
	reply_sz = sizeof(MPIDefaultReply_t);
 | 
						|
	memset(&reply_buf, 0, reply_sz);
 | 
						|
 | 
						|
	req_sz = sizeof(PortEnable_t);
 | 
						|
	memset(&port_enable, 0, req_sz);
 | 
						|
 | 
						|
	port_enable.Function = MPI_FUNCTION_PORT_ENABLE;
 | 
						|
	port_enable.PortNumber = portnum;
 | 
						|
/*	port_enable.ChainOffset = 0;		*/
 | 
						|
/*	port_enable.MsgFlags = 0;		*/
 | 
						|
/*	port_enable.MsgContext = 0;		*/
 | 
						|
 | 
						|
	dinitprintk((MYIOC_s_INFO_FMT "Sending Port(%d)Enable (req @ %p)\n",
 | 
						|
			ioc->name, portnum, &port_enable));
 | 
						|
 | 
						|
	/* RAID FW may take a long time to enable
 | 
						|
	 */
 | 
						|
	if (ioc->bus_type == FC) {
 | 
						|
		ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&port_enable,
 | 
						|
				reply_sz, (u16*)&reply_buf, 65 /*seconds*/, sleepFlag);
 | 
						|
	} else {
 | 
						|
		ii = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&port_enable,
 | 
						|
				reply_sz, (u16*)&reply_buf, 300 /*seconds*/, sleepFlag);
 | 
						|
	}
 | 
						|
 | 
						|
	if (ii != 0)
 | 
						|
		return ii;
 | 
						|
 | 
						|
	/* We do not even look at the reply, so we need not
 | 
						|
	 * swap the multi-byte fields.
 | 
						|
	 */
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 *	ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *      size - total FW bytes
 | 
						|
 */
 | 
						|
void
 | 
						|
mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size)
 | 
						|
{
 | 
						|
	if (ioc->cached_fw)
 | 
						|
		return;  /* use already allocated memory */
 | 
						|
	if (ioc->alt_ioc && ioc->alt_ioc->cached_fw) {
 | 
						|
		ioc->cached_fw = ioc->alt_ioc->cached_fw;  /* use alt_ioc's memory */
 | 
						|
		ioc->cached_fw_dma = ioc->alt_ioc->cached_fw_dma;
 | 
						|
	} else {
 | 
						|
		if ( (ioc->cached_fw = pci_alloc_consistent(ioc->pcidev, size, &ioc->cached_fw_dma) ) )
 | 
						|
			ioc->alloc_total += size;
 | 
						|
	}
 | 
						|
}
 | 
						|
/*
 | 
						|
 * If alt_img is NULL, delete from ioc structure.
 | 
						|
 * Else, delete a secondary image in same format.
 | 
						|
 */
 | 
						|
void
 | 
						|
mpt_free_fw_memory(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	int sz;
 | 
						|
 | 
						|
	sz = ioc->facts.FWImageSize;
 | 
						|
	dinitprintk((KERN_WARNING MYNAM "free_fw_memory: FW Image  @ %p[%p], sz=%d[%x] bytes\n",
 | 
						|
		 ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
 | 
						|
	pci_free_consistent(ioc->pcidev, sz,
 | 
						|
			ioc->cached_fw, ioc->cached_fw_dma);
 | 
						|
	ioc->cached_fw = NULL;
 | 
						|
 | 
						|
	return;
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_do_upload - Construct and Send FWUpload request to MPT adapter port.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, >0 for handshake failure
 | 
						|
 *		<0 for fw upload failure.
 | 
						|
 *
 | 
						|
 *	Remark: If bound IOC and a successful FWUpload was performed
 | 
						|
 *	on the bound IOC, the second image is discarded
 | 
						|
 *	and memory is free'd. Both channels must upload to prevent
 | 
						|
 *	IOC from running in degraded mode.
 | 
						|
 */
 | 
						|
static int
 | 
						|
mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag)
 | 
						|
{
 | 
						|
	u8			 request[ioc->req_sz];
 | 
						|
	u8			 reply[sizeof(FWUploadReply_t)];
 | 
						|
	FWUpload_t		*prequest;
 | 
						|
	FWUploadReply_t		*preply;
 | 
						|
	FWUploadTCSGE_t		*ptcsge;
 | 
						|
	int			 sgeoffset;
 | 
						|
	u32			 flagsLength;
 | 
						|
	int			 ii, sz, reply_sz;
 | 
						|
	int			 cmdStatus;
 | 
						|
 | 
						|
	/* If the image size is 0, we are done.
 | 
						|
	 */
 | 
						|
	if ((sz = ioc->facts.FWImageSize) == 0)
 | 
						|
		return 0;
 | 
						|
 | 
						|
	mpt_alloc_fw_memory(ioc, sz);
 | 
						|
 | 
						|
	dinitprintk((KERN_WARNING MYNAM ": FW Image  @ %p[%p], sz=%d[%x] bytes\n",
 | 
						|
		 ioc->cached_fw, (void *)(ulong)ioc->cached_fw_dma, sz, sz));
 | 
						|
	
 | 
						|
	if (ioc->cached_fw == NULL) {
 | 
						|
		/* Major Failure.
 | 
						|
		 */
 | 
						|
		return -ENOMEM;
 | 
						|
	}
 | 
						|
 | 
						|
	prequest = (FWUpload_t *)&request;
 | 
						|
	preply = (FWUploadReply_t *)&reply;
 | 
						|
 | 
						|
	/*  Destination...  */
 | 
						|
	memset(prequest, 0, ioc->req_sz);
 | 
						|
 | 
						|
	reply_sz = sizeof(reply);
 | 
						|
	memset(preply, 0, reply_sz);
 | 
						|
 | 
						|
	prequest->ImageType = MPI_FW_UPLOAD_ITYPE_FW_IOC_MEM;
 | 
						|
	prequest->Function = MPI_FUNCTION_FW_UPLOAD;
 | 
						|
 | 
						|
	ptcsge = (FWUploadTCSGE_t *) &prequest->SGL;
 | 
						|
	ptcsge->DetailsLength = 12;
 | 
						|
	ptcsge->Flags = MPI_SGE_FLAGS_TRANSACTION_ELEMENT;
 | 
						|
	ptcsge->ImageSize = cpu_to_le32(sz);
 | 
						|
 | 
						|
	sgeoffset = sizeof(FWUpload_t) - sizeof(SGE_MPI_UNION) + sizeof(FWUploadTCSGE_t);
 | 
						|
 | 
						|
	flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz;
 | 
						|
	mpt_add_sge(&request[sgeoffset], flagsLength, ioc->cached_fw_dma);
 | 
						|
 | 
						|
	sgeoffset += sizeof(u32) + sizeof(dma_addr_t);
 | 
						|
	dinitprintk((KERN_WARNING MYNAM "Sending FW Upload (req @ %p) sgeoffset=%d \n",
 | 
						|
			prequest, sgeoffset));
 | 
						|
	DBG_DUMP_FW_REQUEST_FRAME(prequest)
 | 
						|
 | 
						|
	ii = mpt_handshake_req_reply_wait(ioc, sgeoffset, (u32*)prequest,
 | 
						|
				reply_sz, (u16*)preply, 65 /*seconds*/, sleepFlag);
 | 
						|
 | 
						|
	dinitprintk((KERN_WARNING MYNAM "FW Upload completed rc=%x \n", ii));
 | 
						|
 | 
						|
	cmdStatus = -EFAULT;
 | 
						|
	if (ii == 0) {
 | 
						|
		/* Handshake transfer was complete and successful.
 | 
						|
		 * Check the Reply Frame.
 | 
						|
		 */
 | 
						|
		int status, transfer_sz;
 | 
						|
		status = le16_to_cpu(preply->IOCStatus);
 | 
						|
		if (status == MPI_IOCSTATUS_SUCCESS) {
 | 
						|
			transfer_sz = le32_to_cpu(preply->ActualImageSize);
 | 
						|
			if (transfer_sz == sz)
 | 
						|
				cmdStatus = 0;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	dinitprintk((MYIOC_s_INFO_FMT ": do_upload status %d \n",
 | 
						|
			ioc->name, cmdStatus));
 | 
						|
 | 
						|
	
 | 
						|
	if (cmdStatus) {
 | 
						|
 | 
						|
		ddlprintk((MYIOC_s_INFO_FMT ": fw upload failed, freeing image \n",
 | 
						|
			ioc->name));
 | 
						|
		mpt_free_fw_memory(ioc);
 | 
						|
	}
 | 
						|
 | 
						|
	return cmdStatus;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_downloadboot - DownloadBoot code
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@flag: Specify which part of IOC memory is to be uploaded.
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	FwDownloadBoot requires Programmed IO access.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success
 | 
						|
 *		-1 FW Image size is 0
 | 
						|
 *		-2 No valid cached_fw Pointer
 | 
						|
 *		<0 for fw upload failure.
 | 
						|
 */
 | 
						|
static int
 | 
						|
mpt_downloadboot(MPT_ADAPTER *ioc, int sleepFlag)
 | 
						|
{
 | 
						|
	MpiFwHeader_t		*pFwHeader;
 | 
						|
	MpiExtImageHeader_t	*pExtImage;
 | 
						|
	u32			 fwSize;
 | 
						|
	u32			 diag0val;
 | 
						|
	int			 count;
 | 
						|
	u32			*ptrFw;
 | 
						|
	u32			 diagRwData;
 | 
						|
	u32			 nextImage;
 | 
						|
	u32			 load_addr;
 | 
						|
	u32 			 ioc_state=0;
 | 
						|
 | 
						|
	ddlprintk((MYIOC_s_INFO_FMT "downloadboot: fw size 0x%x, ioc FW Ptr %p\n",
 | 
						|
				ioc->name, ioc->facts.FWImageSize, ioc->cached_fw));
 | 
						|
 | 
						|
	if ( ioc->facts.FWImageSize == 0 )
 | 
						|
		return -1;
 | 
						|
 | 
						|
	if (ioc->cached_fw == NULL)
 | 
						|
		return -2;
 | 
						|
 | 
						|
	/* prevent a second downloadboot and memory free with alt_ioc */
 | 
						|
	if (ioc->alt_ioc && ioc->alt_ioc->cached_fw)
 | 
						|
		ioc->alt_ioc->cached_fw = NULL;
 | 
						|
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
 | 
						|
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM));
 | 
						|
 | 
						|
	/* wait 1 msec */
 | 
						|
	if (sleepFlag == CAN_SLEEP) {
 | 
						|
		msleep_interruptible(1);
 | 
						|
	} else {
 | 
						|
		mdelay (1);
 | 
						|
	}
 | 
						|
 | 
						|
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
 | 
						|
 | 
						|
	for (count = 0; count < 30; count ++) {
 | 
						|
		diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
		if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
 | 
						|
			ddlprintk((MYIOC_s_INFO_FMT "RESET_ADAPTER cleared, count=%d\n",
 | 
						|
				ioc->name, count));
 | 
						|
			break;
 | 
						|
		}
 | 
						|
		/* wait 1 sec */
 | 
						|
		if (sleepFlag == CAN_SLEEP) {
 | 
						|
			msleep_interruptible (1000);
 | 
						|
		} else {
 | 
						|
			mdelay (1000);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if ( count == 30 ) {
 | 
						|
		ddlprintk((MYIOC_s_INFO_FMT "downloadboot failed! Unable to RESET_ADAPTER diag0val=%x\n",
 | 
						|
		ioc->name, diag0val));
 | 
						|
		return -3;
 | 
						|
	}
 | 
						|
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
 | 
						|
 | 
						|
	/* Set the DiagRwEn and Disable ARM bits */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->Diagnostic, (MPI_DIAG_RW_ENABLE | MPI_DIAG_DISABLE_ARM));
 | 
						|
 | 
						|
	pFwHeader = (MpiFwHeader_t *) ioc->cached_fw;
 | 
						|
	fwSize = (pFwHeader->ImageSize + 3)/4;
 | 
						|
	ptrFw = (u32 *) pFwHeader;
 | 
						|
 | 
						|
	/* Write the LoadStartAddress to the DiagRw Address Register
 | 
						|
	 * using Programmed IO
 | 
						|
	 */
 | 
						|
	if (ioc->errata_flag_1064)
 | 
						|
		pci_enable_io_access(ioc->pcidev);
 | 
						|
 | 
						|
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->LoadStartAddress);
 | 
						|
	ddlprintk((MYIOC_s_INFO_FMT "LoadStart addr written 0x%x \n",
 | 
						|
		ioc->name, pFwHeader->LoadStartAddress));
 | 
						|
 | 
						|
	ddlprintk((MYIOC_s_INFO_FMT "Write FW Image: 0x%x bytes @ %p\n",
 | 
						|
				ioc->name, fwSize*4, ptrFw));
 | 
						|
	while (fwSize--) {
 | 
						|
		CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
 | 
						|
	}
 | 
						|
 | 
						|
	nextImage = pFwHeader->NextImageHeaderOffset;
 | 
						|
	while (nextImage) {
 | 
						|
		pExtImage = (MpiExtImageHeader_t *) ((char *)pFwHeader + nextImage);
 | 
						|
 | 
						|
		load_addr = pExtImage->LoadStartAddress;
 | 
						|
 | 
						|
		fwSize = (pExtImage->ImageSize + 3) >> 2;
 | 
						|
		ptrFw = (u32 *)pExtImage;
 | 
						|
 | 
						|
		ddlprintk((MYIOC_s_INFO_FMT "Write Ext Image: 0x%x bytes @ %p load_addr=%x\n",
 | 
						|
						ioc->name, fwSize*4, ptrFw, load_addr));
 | 
						|
		CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, load_addr);
 | 
						|
 | 
						|
		while (fwSize--) {
 | 
						|
			CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, *ptrFw++);
 | 
						|
		}
 | 
						|
		nextImage = pExtImage->NextImageHeaderOffset;
 | 
						|
	}
 | 
						|
 | 
						|
	/* Write the IopResetVectorRegAddr */
 | 
						|
	ddlprintk((MYIOC_s_INFO_FMT "Write IopResetVector Addr=%x! \n", ioc->name, 	pFwHeader->IopResetRegAddr));
 | 
						|
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, pFwHeader->IopResetRegAddr);
 | 
						|
 | 
						|
	/* Write the IopResetVectorValue */
 | 
						|
	ddlprintk((MYIOC_s_INFO_FMT "Write IopResetVector Value=%x! \n", ioc->name, pFwHeader->IopResetVectorValue));
 | 
						|
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, pFwHeader->IopResetVectorValue);
 | 
						|
 | 
						|
	/* Clear the internal flash bad bit - autoincrementing register,
 | 
						|
	 * so must do two writes.
 | 
						|
	 */
 | 
						|
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
 | 
						|
	diagRwData = CHIPREG_PIO_READ32(&ioc->pio_chip->DiagRwData);
 | 
						|
	diagRwData |= 0x4000000;
 | 
						|
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwAddress, 0x3F000000);
 | 
						|
	CHIPREG_PIO_WRITE32(&ioc->pio_chip->DiagRwData, diagRwData);
 | 
						|
 | 
						|
	if (ioc->errata_flag_1064)
 | 
						|
		pci_disable_io_access(ioc->pcidev);
 | 
						|
 | 
						|
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
	ddlprintk((MYIOC_s_INFO_FMT "downloadboot diag0val=%x, turning off PREVENT_IOC_BOOT, DISABLE_ARM\n",
 | 
						|
		ioc->name, diag0val));
 | 
						|
	diag0val &= ~(MPI_DIAG_PREVENT_IOC_BOOT | MPI_DIAG_DISABLE_ARM);
 | 
						|
	ddlprintk((MYIOC_s_INFO_FMT "downloadboot now diag0val=%x\n",
 | 
						|
		ioc->name, diag0val));
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
 | 
						|
 | 
						|
	/* Write 0xFF to reset the sequencer */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
 | 
						|
 | 
						|
	for (count=0; count<HZ*20; count++) {
 | 
						|
		if ((ioc_state = mpt_GetIocState(ioc, 0)) & MPI_IOC_STATE_READY) {
 | 
						|
			ddlprintk((MYIOC_s_INFO_FMT "downloadboot successful! (count=%d) IocState=%x\n",
 | 
						|
					ioc->name, count, ioc_state));
 | 
						|
			if ((SendIocInit(ioc, sleepFlag)) != 0) {
 | 
						|
				ddlprintk((MYIOC_s_INFO_FMT "downloadboot: SendIocInit failed\n",
 | 
						|
					ioc->name));
 | 
						|
				return -EFAULT;
 | 
						|
			}
 | 
						|
			ddlprintk((MYIOC_s_INFO_FMT "downloadboot: SendIocInit successful\n",
 | 
						|
					ioc->name));
 | 
						|
			return 0;
 | 
						|
		}
 | 
						|
		if (sleepFlag == CAN_SLEEP) {
 | 
						|
			msleep_interruptible (10);
 | 
						|
		} else {
 | 
						|
			mdelay (10);
 | 
						|
		}
 | 
						|
	}
 | 
						|
	ddlprintk((MYIOC_s_INFO_FMT "downloadboot failed! IocState=%x\n",
 | 
						|
		ioc->name, ioc_state));
 | 
						|
	return -EFAULT;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	KickStart - Perform hard reset of MPT adapter.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@force: Force hard reset
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	This routine places MPT adapter in diagnostic mode via the
 | 
						|
 *	WriteSequence register, and then performs a hard reset of adapter
 | 
						|
 *	via the Diagnostic register.
 | 
						|
 *
 | 
						|
 *	Inputs:   sleepflag - CAN_SLEEP (non-interrupt thread)
 | 
						|
 *			or NO_SLEEP (interrupt thread, use mdelay)
 | 
						|
 *		  force - 1 if doorbell active, board fault state
 | 
						|
 *				board operational, IOC_RECOVERY or
 | 
						|
 *				IOC_BRINGUP and there is an alt_ioc.
 | 
						|
 *			  0 else
 | 
						|
 *
 | 
						|
 *	Returns:
 | 
						|
 *		 1 - hard reset, READY	
 | 
						|
 *		 0 - no reset due to History bit, READY	
 | 
						|
 *		-1 - no reset due to History bit but not READY	
 | 
						|
 *		     OR reset but failed to come READY
 | 
						|
 *		-2 - no reset, could not enter DIAG mode
 | 
						|
 *		-3 - reset but bad FW bit
 | 
						|
 */
 | 
						|
static int
 | 
						|
KickStart(MPT_ADAPTER *ioc, int force, int sleepFlag)
 | 
						|
{
 | 
						|
	int hard_reset_done = 0;
 | 
						|
	u32 ioc_state=0;
 | 
						|
	int cnt,cntdn;
 | 
						|
 | 
						|
	dinitprintk((KERN_WARNING MYNAM ": KickStarting %s!\n", ioc->name));
 | 
						|
	if (ioc->bus_type == SCSI) {
 | 
						|
		/* Always issue a Msg Unit Reset first. This will clear some
 | 
						|
		 * SCSI bus hang conditions.
 | 
						|
		 */
 | 
						|
		SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET, sleepFlag);
 | 
						|
 | 
						|
		if (sleepFlag == CAN_SLEEP) {
 | 
						|
			msleep_interruptible (1000);
 | 
						|
		} else {
 | 
						|
			mdelay (1000);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	hard_reset_done = mpt_diag_reset(ioc, force, sleepFlag);
 | 
						|
	if (hard_reset_done < 0)
 | 
						|
		return hard_reset_done;
 | 
						|
 | 
						|
	dinitprintk((MYIOC_s_INFO_FMT "Diagnostic reset successful!\n",
 | 
						|
			ioc->name));
 | 
						|
 | 
						|
	cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 2;	/* 2 seconds */
 | 
						|
	for (cnt=0; cnt<cntdn; cnt++) {
 | 
						|
		ioc_state = mpt_GetIocState(ioc, 1);
 | 
						|
		if ((ioc_state == MPI_IOC_STATE_READY) || (ioc_state == MPI_IOC_STATE_OPERATIONAL)) {
 | 
						|
			dinitprintk((MYIOC_s_INFO_FMT "KickStart successful! (cnt=%d)\n",
 | 
						|
 					ioc->name, cnt));
 | 
						|
			return hard_reset_done;
 | 
						|
		}
 | 
						|
		if (sleepFlag == CAN_SLEEP) {
 | 
						|
			msleep_interruptible (10);
 | 
						|
		} else {
 | 
						|
			mdelay (10);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	printk(MYIOC_s_ERR_FMT "Failed to come READY after reset! IocState=%x\n",
 | 
						|
			ioc->name, ioc_state);
 | 
						|
	return -1;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_diag_reset - Perform hard reset of the adapter.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@ignore: Set if to honor and clear to ignore
 | 
						|
 *		the reset history bit
 | 
						|
 *	@sleepflag: CAN_SLEEP if called in a non-interrupt thread,
 | 
						|
 *		else set to NO_SLEEP (use mdelay instead)
 | 
						|
 *
 | 
						|
 *	This routine places the adapter in diagnostic mode via the
 | 
						|
 *	WriteSequence register and then performs a hard reset of adapter
 | 
						|
 *	via the Diagnostic register. Adapter should be in ready state
 | 
						|
 *	upon successful completion.
 | 
						|
 *
 | 
						|
 *	Returns:  1  hard reset successful
 | 
						|
 *		  0  no reset performed because reset history bit set
 | 
						|
 *		 -2  enabling diagnostic mode failed
 | 
						|
 *		 -3  diagnostic reset failed
 | 
						|
 */
 | 
						|
static int
 | 
						|
mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 | 
						|
{
 | 
						|
	u32 diag0val;
 | 
						|
	u32 doorbell;
 | 
						|
	int hard_reset_done = 0;
 | 
						|
	int count = 0;
 | 
						|
#ifdef MPT_DEBUG
 | 
						|
	u32 diag1val = 0;
 | 
						|
#endif
 | 
						|
 | 
						|
	/* Clear any existing interrupts */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
 | 
						|
	/* Use "Diagnostic reset" method! (only thing available!) */
 | 
						|
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
 | 
						|
#ifdef MPT_DEBUG
 | 
						|
	if (ioc->alt_ioc)
 | 
						|
		diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
 | 
						|
	dprintk((MYIOC_s_INFO_FMT "DbG1: diag0=%08x, diag1=%08x\n",
 | 
						|
			ioc->name, diag0val, diag1val));
 | 
						|
#endif
 | 
						|
 | 
						|
	/* Do the reset if we are told to ignore the reset history
 | 
						|
	 * or if the reset history is 0
 | 
						|
	 */
 | 
						|
	if (ignore || !(diag0val & MPI_DIAG_RESET_HISTORY)) {
 | 
						|
		while ((diag0val & MPI_DIAG_DRWE) == 0) {
 | 
						|
			/* Write magic sequence to WriteSequence register
 | 
						|
			 * Loop until in diagnostic mode
 | 
						|
			 */
 | 
						|
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
 | 
						|
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
 | 
						|
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
 | 
						|
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
 | 
						|
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
 | 
						|
			CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
 | 
						|
 | 
						|
			/* wait 100 msec */
 | 
						|
			if (sleepFlag == CAN_SLEEP) {
 | 
						|
				msleep_interruptible (100);
 | 
						|
			} else {
 | 
						|
				mdelay (100);
 | 
						|
			}
 | 
						|
 | 
						|
			count++;
 | 
						|
			if (count > 20) {
 | 
						|
				printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
 | 
						|
						ioc->name, diag0val);
 | 
						|
				return -2;
 | 
						|
 | 
						|
			}
 | 
						|
 | 
						|
			diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
 | 
						|
			dprintk((MYIOC_s_INFO_FMT "Wrote magic DiagWriteEn sequence (%x)\n",
 | 
						|
					ioc->name, diag0val));
 | 
						|
		}
 | 
						|
 | 
						|
#ifdef MPT_DEBUG
 | 
						|
		if (ioc->alt_ioc)
 | 
						|
			diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
 | 
						|
		dprintk((MYIOC_s_INFO_FMT "DbG2: diag0=%08x, diag1=%08x\n",
 | 
						|
				ioc->name, diag0val, diag1val));
 | 
						|
#endif
 | 
						|
		/*
 | 
						|
		 * Disable the ARM (Bug fix)
 | 
						|
		 *
 | 
						|
		 */
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_DISABLE_ARM);
 | 
						|
		mdelay (1);
 | 
						|
 | 
						|
		/*
 | 
						|
		 * Now hit the reset bit in the Diagnostic register
 | 
						|
		 * (THE BIG HAMMER!) (Clears DRWE bit).
 | 
						|
		 */
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val | MPI_DIAG_RESET_ADAPTER);
 | 
						|
		hard_reset_done = 1;
 | 
						|
		dprintk((MYIOC_s_INFO_FMT "Diagnostic reset performed\n",
 | 
						|
				ioc->name));
 | 
						|
 | 
						|
		/*
 | 
						|
		 * Call each currently registered protocol IOC reset handler
 | 
						|
		 * with pre-reset indication.
 | 
						|
		 * NOTE: If we're doing _IOC_BRINGUP, there can be no
 | 
						|
		 * MptResetHandlers[] registered yet.
 | 
						|
		 */
 | 
						|
		{
 | 
						|
			int	 ii;
 | 
						|
			int	 r = 0;
 | 
						|
 | 
						|
			for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
 | 
						|
				if (MptResetHandlers[ii]) {
 | 
						|
					dprintk((MYIOC_s_INFO_FMT "Calling IOC pre_reset handler #%d\n",
 | 
						|
							ioc->name, ii));
 | 
						|
					r += (*(MptResetHandlers[ii]))(ioc, MPT_IOC_PRE_RESET);
 | 
						|
					if (ioc->alt_ioc) {
 | 
						|
						dprintk((MYIOC_s_INFO_FMT "Calling alt-%s pre_reset handler #%d\n",
 | 
						|
								ioc->name, ioc->alt_ioc->name, ii));
 | 
						|
						r += (*(MptResetHandlers[ii]))(ioc->alt_ioc, MPT_IOC_PRE_RESET);
 | 
						|
					}
 | 
						|
				}
 | 
						|
			}
 | 
						|
			/* FIXME?  Examine results here? */
 | 
						|
		}
 | 
						|
 | 
						|
		if (ioc->cached_fw) {
 | 
						|
			/* If the DownloadBoot operation fails, the
 | 
						|
			 * IOC will be left unusable. This is a fatal error
 | 
						|
			 * case.  _diag_reset will return < 0
 | 
						|
			 */
 | 
						|
			for (count = 0; count < 30; count ++) {
 | 
						|
				diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
				if (!(diag0val & MPI_DIAG_RESET_ADAPTER)) {
 | 
						|
					break;
 | 
						|
				}
 | 
						|
 | 
						|
				/* wait 1 sec */
 | 
						|
				if (sleepFlag == CAN_SLEEP) {
 | 
						|
					ssleep(1);
 | 
						|
				} else {
 | 
						|
					mdelay (1000);
 | 
						|
				}
 | 
						|
			}
 | 
						|
			if ((count = mpt_downloadboot(ioc, sleepFlag)) < 0) {
 | 
						|
				printk(KERN_WARNING MYNAM
 | 
						|
					": firmware downloadboot failure (%d)!\n", count);
 | 
						|
			}
 | 
						|
 | 
						|
		} else {
 | 
						|
			/* Wait for FW to reload and for board
 | 
						|
			 * to go to the READY state.
 | 
						|
			 * Maximum wait is 60 seconds.
 | 
						|
			 * If fail, no error will check again
 | 
						|
			 * with calling program.
 | 
						|
			 */
 | 
						|
			for (count = 0; count < 60; count ++) {
 | 
						|
				doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
 | 
						|
				doorbell &= MPI_IOC_STATE_MASK;
 | 
						|
 | 
						|
				if (doorbell == MPI_IOC_STATE_READY) {
 | 
						|
					break;
 | 
						|
				}
 | 
						|
 | 
						|
				/* wait 1 sec */
 | 
						|
				if (sleepFlag == CAN_SLEEP) {
 | 
						|
					msleep_interruptible (1000);
 | 
						|
				} else {
 | 
						|
					mdelay (1000);
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
#ifdef MPT_DEBUG
 | 
						|
	if (ioc->alt_ioc)
 | 
						|
		diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
 | 
						|
	dprintk((MYIOC_s_INFO_FMT "DbG3: diag0=%08x, diag1=%08x\n",
 | 
						|
		ioc->name, diag0val, diag1val));
 | 
						|
#endif
 | 
						|
 | 
						|
	/* Clear RESET_HISTORY bit!  Place board in the
 | 
						|
	 * diagnostic mode to update the diag register.
 | 
						|
	 */
 | 
						|
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
	count = 0;
 | 
						|
	while ((diag0val & MPI_DIAG_DRWE) == 0) {
 | 
						|
		/* Write magic sequence to WriteSequence register
 | 
						|
		 * Loop until in diagnostic mode
 | 
						|
		 */
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFF);
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_1ST_KEY_VALUE);
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_2ND_KEY_VALUE);
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_3RD_KEY_VALUE);
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_4TH_KEY_VALUE);
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->WriteSequence, MPI_WRSEQ_5TH_KEY_VALUE);
 | 
						|
 | 
						|
		/* wait 100 msec */
 | 
						|
		if (sleepFlag == CAN_SLEEP) {
 | 
						|
			msleep_interruptible (100);
 | 
						|
		} else {
 | 
						|
			mdelay (100);
 | 
						|
		}
 | 
						|
 | 
						|
		count++;
 | 
						|
		if (count > 20) {
 | 
						|
			printk(MYIOC_s_ERR_FMT "Enable Diagnostic mode FAILED! (%02xh)\n",
 | 
						|
					ioc->name, diag0val);
 | 
						|
			break;
 | 
						|
		}
 | 
						|
		diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
	}
 | 
						|
	diag0val &= ~MPI_DIAG_RESET_HISTORY;
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->Diagnostic, diag0val);
 | 
						|
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
	if (diag0val & MPI_DIAG_RESET_HISTORY) {
 | 
						|
		printk(MYIOC_s_WARN_FMT "ResetHistory bit failed to clear!\n",
 | 
						|
				ioc->name);
 | 
						|
	}
 | 
						|
 | 
						|
	/* Disable Diagnostic Mode
 | 
						|
	 */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->WriteSequence, 0xFFFFFFFF);
 | 
						|
 | 
						|
	/* Check FW reload status flags.
 | 
						|
	 */
 | 
						|
	diag0val = CHIPREG_READ32(&ioc->chip->Diagnostic);
 | 
						|
	if (diag0val & (MPI_DIAG_FLASH_BAD_SIG | MPI_DIAG_RESET_ADAPTER | MPI_DIAG_DISABLE_ARM)) {
 | 
						|
		printk(MYIOC_s_ERR_FMT "Diagnostic reset FAILED! (%02xh)\n",
 | 
						|
				ioc->name, diag0val);
 | 
						|
		return -3;
 | 
						|
	}
 | 
						|
 | 
						|
#ifdef MPT_DEBUG
 | 
						|
	if (ioc->alt_ioc)
 | 
						|
		diag1val = CHIPREG_READ32(&ioc->alt_ioc->chip->Diagnostic);
 | 
						|
	dprintk((MYIOC_s_INFO_FMT "DbG4: diag0=%08x, diag1=%08x\n",
 | 
						|
			ioc->name, diag0val, diag1val));
 | 
						|
#endif
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Reset flag that says we've enabled event notification
 | 
						|
	 */
 | 
						|
	ioc->facts.EventState = 0;
 | 
						|
 | 
						|
	if (ioc->alt_ioc)
 | 
						|
		ioc->alt_ioc->facts.EventState = 0;
 | 
						|
 | 
						|
	return hard_reset_done;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	SendIocReset - Send IOCReset request to MPT adapter.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@reset_type: reset type, expected values are
 | 
						|
 *	%MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET or %MPI_FUNCTION_IO_UNIT_RESET
 | 
						|
 *
 | 
						|
 *	Send IOCReset request to the MPT adapter.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
static int
 | 
						|
SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag)
 | 
						|
{
 | 
						|
	int r;
 | 
						|
	u32 state;
 | 
						|
	int cntdn, count;
 | 
						|
 | 
						|
	drsprintk((KERN_WARNING MYNAM ": %s: Sending IOC reset(0x%02x)!\n",
 | 
						|
			ioc->name, reset_type));
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->Doorbell, reset_type<<MPI_DOORBELL_FUNCTION_SHIFT);
 | 
						|
	if ((r = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
 | 
						|
		return r;
 | 
						|
 | 
						|
	/* FW ACK'd request, wait for READY state
 | 
						|
	 */
 | 
						|
	count = 0;
 | 
						|
	cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * 15;	/* 15 seconds */
 | 
						|
 | 
						|
	while ((state = mpt_GetIocState(ioc, 1)) != MPI_IOC_STATE_READY) {
 | 
						|
		cntdn--;
 | 
						|
		count++;
 | 
						|
		if (!cntdn) {
 | 
						|
			if (sleepFlag != CAN_SLEEP)
 | 
						|
				count *= 10;
 | 
						|
 | 
						|
			printk(KERN_ERR MYNAM ": %s: ERROR - Wait IOC_READY state timeout(%d)!\n",
 | 
						|
					ioc->name, (int)((count+5)/HZ));
 | 
						|
			return -ETIME;
 | 
						|
		}
 | 
						|
 | 
						|
		if (sleepFlag == CAN_SLEEP) {
 | 
						|
			msleep_interruptible(1);
 | 
						|
		} else {
 | 
						|
			mdelay (1);	/* 1 msec delay */
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/* TODO!
 | 
						|
	 *  Cleanup all event stuff for this IOC; re-issue EventNotification
 | 
						|
	 *  request if needed.
 | 
						|
	 */
 | 
						|
	if (ioc->facts.Function)
 | 
						|
		ioc->facts.EventState = 0;
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	initChainBuffers - Allocate memory for and initialize
 | 
						|
 *	chain buffers, chain buffer control arrays and spinlock.
 | 
						|
 *	@hd: Pointer to MPT_SCSI_HOST structure
 | 
						|
 *	@init: If set, initialize the spin lock.
 | 
						|
 */
 | 
						|
static int
 | 
						|
initChainBuffers(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	u8		*mem;
 | 
						|
	int		sz, ii, num_chain;
 | 
						|
	int 		scale, num_sge, numSGE;
 | 
						|
 | 
						|
	/* ReqToChain size must equal the req_depth
 | 
						|
	 * index = req_idx
 | 
						|
	 */
 | 
						|
	if (ioc->ReqToChain == NULL) {
 | 
						|
		sz = ioc->req_depth * sizeof(int);
 | 
						|
		mem = kmalloc(sz, GFP_ATOMIC);
 | 
						|
		if (mem == NULL)
 | 
						|
			return -1;
 | 
						|
 | 
						|
		ioc->ReqToChain = (int *) mem;
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s ReqToChain alloc  @ %p, sz=%d bytes\n",
 | 
						|
			 	ioc->name, mem, sz));
 | 
						|
		mem = kmalloc(sz, GFP_ATOMIC);
 | 
						|
		if (mem == NULL)
 | 
						|
			return -1;
 | 
						|
 | 
						|
		ioc->RequestNB = (int *) mem;
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s RequestNB alloc  @ %p, sz=%d bytes\n",
 | 
						|
			 	ioc->name, mem, sz));
 | 
						|
	}
 | 
						|
	for (ii = 0; ii < ioc->req_depth; ii++) {
 | 
						|
		ioc->ReqToChain[ii] = MPT_HOST_NO_CHAIN;
 | 
						|
	}
 | 
						|
 | 
						|
	/* ChainToChain size must equal the total number
 | 
						|
	 * of chain buffers to be allocated.
 | 
						|
	 * index = chain_idx
 | 
						|
	 *
 | 
						|
	 * Calculate the number of chain buffers needed(plus 1) per I/O
 | 
						|
	 * then multiply the the maximum number of simultaneous cmds
 | 
						|
	 *
 | 
						|
	 * num_sge = num sge in request frame + last chain buffer
 | 
						|
	 * scale = num sge per chain buffer if no chain element
 | 
						|
	 */
 | 
						|
	scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32));
 | 
						|
	if (sizeof(dma_addr_t) == sizeof(u64))
 | 
						|
		num_sge =  scale + (ioc->req_sz - 60) / (sizeof(dma_addr_t) + sizeof(u32));
 | 
						|
	else
 | 
						|
		num_sge =  1+ scale + (ioc->req_sz - 64) / (sizeof(dma_addr_t) + sizeof(u32));
 | 
						|
 | 
						|
	if (sizeof(dma_addr_t) == sizeof(u64)) {
 | 
						|
		numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
 | 
						|
			(ioc->req_sz - 60) / (sizeof(dma_addr_t) + sizeof(u32));
 | 
						|
	} else {
 | 
						|
		numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
 | 
						|
			(ioc->req_sz - 64) / (sizeof(dma_addr_t) + sizeof(u32));
 | 
						|
	}
 | 
						|
	dinitprintk((KERN_INFO MYNAM ": %s num_sge=%d numSGE=%d\n",
 | 
						|
		ioc->name, num_sge, numSGE));
 | 
						|
 | 
						|
	if ( numSGE > MPT_SCSI_SG_DEPTH	)
 | 
						|
		numSGE = MPT_SCSI_SG_DEPTH;
 | 
						|
 | 
						|
	num_chain = 1;
 | 
						|
	while (numSGE - num_sge > 0) {
 | 
						|
		num_chain++;
 | 
						|
		num_sge += (scale - 1);
 | 
						|
	}
 | 
						|
	num_chain++;
 | 
						|
 | 
						|
	dinitprintk((KERN_INFO MYNAM ": %s Now numSGE=%d num_sge=%d num_chain=%d\n",
 | 
						|
		ioc->name, numSGE, num_sge, num_chain));
 | 
						|
 | 
						|
	if (ioc->bus_type == SCSI)
 | 
						|
		num_chain *= MPT_SCSI_CAN_QUEUE;
 | 
						|
	else
 | 
						|
		num_chain *= MPT_FC_CAN_QUEUE;
 | 
						|
 | 
						|
	ioc->num_chain = num_chain;
 | 
						|
 | 
						|
	sz = num_chain * sizeof(int);
 | 
						|
	if (ioc->ChainToChain == NULL) {
 | 
						|
		mem = kmalloc(sz, GFP_ATOMIC);
 | 
						|
		if (mem == NULL)
 | 
						|
			return -1;
 | 
						|
 | 
						|
		ioc->ChainToChain = (int *) mem;
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s ChainToChain alloc @ %p, sz=%d bytes\n",
 | 
						|
			 	ioc->name, mem, sz));
 | 
						|
	} else {
 | 
						|
		mem = (u8 *) ioc->ChainToChain;
 | 
						|
	}
 | 
						|
	memset(mem, 0xFF, sz);
 | 
						|
	return num_chain;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	PrimeIocFifos - Initialize IOC request and reply FIFOs.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *
 | 
						|
 *	This routine allocates memory for the MPT reply and request frame
 | 
						|
 *	pools (if necessary), and primes the IOC reply FIFO with
 | 
						|
 *	reply frames.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
static int
 | 
						|
PrimeIocFifos(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	MPT_FRAME_HDR *mf;
 | 
						|
	unsigned long flags;
 | 
						|
	dma_addr_t alloc_dma;
 | 
						|
	u8 *mem;
 | 
						|
	int i, reply_sz, sz, total_size, num_chain;
 | 
						|
 | 
						|
	/*  Prime reply FIFO...  */
 | 
						|
 | 
						|
	if (ioc->reply_frames == NULL) {
 | 
						|
		if ( (num_chain = initChainBuffers(ioc)) < 0)
 | 
						|
			return -1;
 | 
						|
 | 
						|
		total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth);
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s.ReplyBuffer sz=%d bytes, ReplyDepth=%d\n",
 | 
						|
			 	ioc->name, ioc->reply_sz, ioc->reply_depth));
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s.ReplyBuffer sz=%d[%x] bytes\n",
 | 
						|
			 	ioc->name, reply_sz, reply_sz));
 | 
						|
 | 
						|
		sz = (ioc->req_sz * ioc->req_depth);
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s.RequestBuffer sz=%d bytes, RequestDepth=%d\n",
 | 
						|
			 	ioc->name, ioc->req_sz, ioc->req_depth));
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s.RequestBuffer sz=%d[%x] bytes\n",
 | 
						|
			 	ioc->name, sz, sz));
 | 
						|
		total_size += sz;
 | 
						|
 | 
						|
		sz = num_chain * ioc->req_sz; /* chain buffer pool size */
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s.ChainBuffer sz=%d bytes, ChainDepth=%d\n",
 | 
						|
			 	ioc->name, ioc->req_sz, num_chain));
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s.ChainBuffer sz=%d[%x] bytes num_chain=%d\n",
 | 
						|
			 	ioc->name, sz, sz, num_chain));
 | 
						|
 | 
						|
		total_size += sz;
 | 
						|
		mem = pci_alloc_consistent(ioc->pcidev, total_size, &alloc_dma);
 | 
						|
		if (mem == NULL) {
 | 
						|
			printk(MYIOC_s_ERR_FMT "Unable to allocate Reply, Request, Chain Buffers!\n",
 | 
						|
				ioc->name);
 | 
						|
			goto out_fail;
 | 
						|
		}
 | 
						|
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s.Total alloc @ %p[%p], sz=%d[%x] bytes\n",
 | 
						|
			 	ioc->name, mem, (void *)(ulong)alloc_dma, total_size, total_size));
 | 
						|
 | 
						|
		memset(mem, 0, total_size);
 | 
						|
		ioc->alloc_total += total_size;
 | 
						|
		ioc->alloc = mem;
 | 
						|
		ioc->alloc_dma = alloc_dma;
 | 
						|
		ioc->alloc_sz = total_size;
 | 
						|
		ioc->reply_frames = (MPT_FRAME_HDR *) mem;
 | 
						|
		ioc->reply_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
 | 
						|
 | 
						|
		alloc_dma += reply_sz;
 | 
						|
		mem += reply_sz;
 | 
						|
 | 
						|
		/*  Request FIFO - WE manage this!  */
 | 
						|
 | 
						|
		ioc->req_frames = (MPT_FRAME_HDR *) mem;
 | 
						|
		ioc->req_frames_dma = alloc_dma;
 | 
						|
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s.RequestBuffers @ %p[%p]\n",
 | 
						|
			 	ioc->name, mem, (void *)(ulong)alloc_dma));
 | 
						|
 | 
						|
		ioc->req_frames_low_dma = (u32) (alloc_dma & 0xFFFFFFFF);
 | 
						|
 | 
						|
#if defined(CONFIG_MTRR) && 0
 | 
						|
		/*
 | 
						|
		 *  Enable Write Combining MTRR for IOC's memory region.
 | 
						|
		 *  (at least as much as we can; "size and base must be
 | 
						|
		 *  multiples of 4 kiB"
 | 
						|
		 */
 | 
						|
		ioc->mtrr_reg = mtrr_add(ioc->req_frames_dma,
 | 
						|
					 sz,
 | 
						|
					 MTRR_TYPE_WRCOMB, 1);
 | 
						|
		dprintk((MYIOC_s_INFO_FMT "MTRR region registered (base:size=%08x:%x)\n",
 | 
						|
				ioc->name, ioc->req_frames_dma, sz));
 | 
						|
#endif
 | 
						|
 | 
						|
		for (i = 0; i < ioc->req_depth; i++) {
 | 
						|
			alloc_dma += ioc->req_sz;
 | 
						|
			mem += ioc->req_sz;
 | 
						|
		}
 | 
						|
 | 
						|
		ioc->ChainBuffer = mem;
 | 
						|
		ioc->ChainBufferDMA = alloc_dma;
 | 
						|
 | 
						|
		dinitprintk((KERN_INFO MYNAM " :%s.ChainBuffers @ %p(%p)\n",
 | 
						|
			ioc->name, ioc->ChainBuffer, (void *)(ulong)ioc->ChainBufferDMA));
 | 
						|
 | 
						|
		/* Initialize the free chain Q.
 | 
						|
	 	*/
 | 
						|
 | 
						|
		INIT_LIST_HEAD(&ioc->FreeChainQ);
 | 
						|
 | 
						|
		/* Post the chain buffers to the FreeChainQ.
 | 
						|
	 	*/
 | 
						|
		mem = (u8 *)ioc->ChainBuffer;
 | 
						|
		for (i=0; i < num_chain; i++) {
 | 
						|
			mf = (MPT_FRAME_HDR *) mem;
 | 
						|
			list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeChainQ);
 | 
						|
			mem += ioc->req_sz;
 | 
						|
		}
 | 
						|
 | 
						|
		/* Initialize Request frames linked list
 | 
						|
		 */
 | 
						|
		alloc_dma = ioc->req_frames_dma;
 | 
						|
		mem = (u8 *) ioc->req_frames;
 | 
						|
 | 
						|
		spin_lock_irqsave(&ioc->FreeQlock, flags);
 | 
						|
		INIT_LIST_HEAD(&ioc->FreeQ);
 | 
						|
		for (i = 0; i < ioc->req_depth; i++) {
 | 
						|
			mf = (MPT_FRAME_HDR *) mem;
 | 
						|
 | 
						|
			/*  Queue REQUESTs *internally*!  */
 | 
						|
			list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
 | 
						|
 | 
						|
			mem += ioc->req_sz;
 | 
						|
		}
 | 
						|
		spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 | 
						|
 | 
						|
		sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
 | 
						|
		ioc->sense_buf_pool =
 | 
						|
			pci_alloc_consistent(ioc->pcidev, sz, &ioc->sense_buf_pool_dma);
 | 
						|
		if (ioc->sense_buf_pool == NULL) {
 | 
						|
			printk(MYIOC_s_ERR_FMT "Unable to allocate Sense Buffers!\n",
 | 
						|
				ioc->name);
 | 
						|
			goto out_fail;
 | 
						|
		}
 | 
						|
 | 
						|
		ioc->sense_buf_low_dma = (u32) (ioc->sense_buf_pool_dma & 0xFFFFFFFF);
 | 
						|
		ioc->alloc_total += sz;
 | 
						|
		dinitprintk((KERN_INFO MYNAM ": %s.SenseBuffers @ %p[%p]\n",
 | 
						|
 			ioc->name, ioc->sense_buf_pool, (void *)(ulong)ioc->sense_buf_pool_dma));
 | 
						|
 | 
						|
	}
 | 
						|
 | 
						|
	/* Post Reply frames to FIFO
 | 
						|
	 */
 | 
						|
	alloc_dma = ioc->alloc_dma;
 | 
						|
	dinitprintk((KERN_INFO MYNAM ": %s.ReplyBuffers @ %p[%p]\n",
 | 
						|
	 	ioc->name, ioc->reply_frames, (void *)(ulong)alloc_dma));
 | 
						|
 | 
						|
	for (i = 0; i < ioc->reply_depth; i++) {
 | 
						|
		/*  Write each address to the IOC!  */
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->ReplyFifo, alloc_dma);
 | 
						|
		alloc_dma += ioc->reply_sz;
 | 
						|
	}
 | 
						|
 | 
						|
	return 0;
 | 
						|
 | 
						|
out_fail:
 | 
						|
	if (ioc->alloc != NULL) {
 | 
						|
		sz = ioc->alloc_sz;
 | 
						|
		pci_free_consistent(ioc->pcidev,
 | 
						|
				sz,
 | 
						|
				ioc->alloc, ioc->alloc_dma);
 | 
						|
		ioc->reply_frames = NULL;
 | 
						|
		ioc->req_frames = NULL;
 | 
						|
		ioc->alloc_total -= sz;
 | 
						|
	}
 | 
						|
	if (ioc->sense_buf_pool != NULL) {
 | 
						|
		sz = (ioc->req_depth * MPT_SENSE_BUFFER_ALLOC);
 | 
						|
		pci_free_consistent(ioc->pcidev,
 | 
						|
				sz,
 | 
						|
				ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
 | 
						|
		ioc->sense_buf_pool = NULL;
 | 
						|
	}
 | 
						|
	return -1;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_handshake_req_reply_wait - Send MPT request to and receive reply
 | 
						|
 *	from IOC via doorbell handshake method.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@reqBytes: Size of the request in bytes
 | 
						|
 *	@req: Pointer to MPT request frame
 | 
						|
 *	@replyBytes: Expected size of the reply in bytes
 | 
						|
 *	@u16reply: Pointer to area where reply should be written
 | 
						|
 *	@maxwait: Max wait time for a reply (in seconds)
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	NOTES: It is the callers responsibility to byte-swap fields in the
 | 
						|
 *	request which are greater than 1 byte in size.  It is also the
 | 
						|
 *	callers responsibility to byte-swap response fields which are
 | 
						|
 *	greater than 1 byte in size.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
static int
 | 
						|
mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes, u32 *req,
 | 
						|
				int replyBytes, u16 *u16reply, int maxwait, int sleepFlag)
 | 
						|
{
 | 
						|
	MPIDefaultReply_t *mptReply;
 | 
						|
	int failcnt = 0;
 | 
						|
	int t;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Get ready to cache a handshake reply
 | 
						|
	 */
 | 
						|
	ioc->hs_reply_idx = 0;
 | 
						|
	mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
 | 
						|
	mptReply->MsgLength = 0;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Make sure there are no doorbells (WRITE 0 to IntStatus reg),
 | 
						|
	 * then tell IOC that we want to handshake a request of N words.
 | 
						|
	 * (WRITE u32val to Doorbell reg).
 | 
						|
	 */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->Doorbell,
 | 
						|
			((MPI_FUNCTION_HANDSHAKE<<MPI_DOORBELL_FUNCTION_SHIFT) |
 | 
						|
			 ((reqBytes/4)<<MPI_DOORBELL_ADD_DWORDS_SHIFT)));
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Wait for IOC's doorbell handshake int
 | 
						|
	 */
 | 
						|
	if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
 | 
						|
		failcnt++;
 | 
						|
 | 
						|
	dhsprintk((MYIOC_s_INFO_FMT "HandShake request start reqBytes=%d, WaitCnt=%d%s\n",
 | 
						|
			ioc->name, reqBytes, t, failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
 | 
						|
 | 
						|
	/* Read doorbell and check for active bit */
 | 
						|
	if (!(CHIPREG_READ32(&ioc->chip->Doorbell) & MPI_DOORBELL_ACTIVE))
 | 
						|
			return -1;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Clear doorbell int (WRITE 0 to IntStatus reg),
 | 
						|
	 * then wait for IOC to ACKnowledge that it's ready for
 | 
						|
	 * our handshake request.
 | 
						|
	 */
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
	if (!failcnt && (t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
 | 
						|
		failcnt++;
 | 
						|
 | 
						|
	if (!failcnt) {
 | 
						|
		int	 ii;
 | 
						|
		u8	*req_as_bytes = (u8 *) req;
 | 
						|
 | 
						|
		/*
 | 
						|
		 * Stuff request words via doorbell handshake,
 | 
						|
		 * with ACK from IOC for each.
 | 
						|
		 */
 | 
						|
		for (ii = 0; !failcnt && ii < reqBytes/4; ii++) {
 | 
						|
			u32 word = ((req_as_bytes[(ii*4) + 0] <<  0) |
 | 
						|
				    (req_as_bytes[(ii*4) + 1] <<  8) |
 | 
						|
				    (req_as_bytes[(ii*4) + 2] << 16) |
 | 
						|
				    (req_as_bytes[(ii*4) + 3] << 24));
 | 
						|
 | 
						|
			CHIPREG_WRITE32(&ioc->chip->Doorbell, word);
 | 
						|
			if ((t = WaitForDoorbellAck(ioc, 5, sleepFlag)) < 0)
 | 
						|
				failcnt++;
 | 
						|
		}
 | 
						|
 | 
						|
		dhsprintk((KERN_INFO MYNAM ": Handshake request frame (@%p) header\n", req));
 | 
						|
		DBG_DUMP_REQUEST_FRAME_HDR(req)
 | 
						|
 | 
						|
		dhsprintk((MYIOC_s_INFO_FMT "HandShake request post done, WaitCnt=%d%s\n",
 | 
						|
				ioc->name, t, failcnt ? " - MISSING DOORBELL ACK!" : ""));
 | 
						|
 | 
						|
		/*
 | 
						|
		 * Wait for completion of doorbell handshake reply from the IOC
 | 
						|
		 */
 | 
						|
		if (!failcnt && (t = WaitForDoorbellReply(ioc, maxwait, sleepFlag)) < 0)
 | 
						|
			failcnt++;
 | 
						|
		
 | 
						|
		dhsprintk((MYIOC_s_INFO_FMT "HandShake reply count=%d%s\n",
 | 
						|
				ioc->name, t, failcnt ? " - MISSING DOORBELL REPLY!" : ""));
 | 
						|
 | 
						|
		/*
 | 
						|
		 * Copy out the cached reply...
 | 
						|
		 */
 | 
						|
		for (ii=0; ii < min(replyBytes/2,mptReply->MsgLength*2); ii++)
 | 
						|
			u16reply[ii] = ioc->hs_reply[ii];
 | 
						|
	} else {
 | 
						|
		return -99;
 | 
						|
	}
 | 
						|
 | 
						|
	return -failcnt;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	WaitForDoorbellAck - Wait for IOC to clear the IOP_DOORBELL_STATUS bit
 | 
						|
 *	in it's IntStatus register.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@howlong: How long to wait (in seconds)
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	This routine waits (up to ~2 seconds max) for IOC doorbell
 | 
						|
 *	handshake ACKnowledge.
 | 
						|
 *
 | 
						|
 *	Returns a negative value on failure, else wait loop count.
 | 
						|
 */
 | 
						|
static int
 | 
						|
WaitForDoorbellAck(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
 | 
						|
{
 | 
						|
	int cntdn;
 | 
						|
	int count = 0;
 | 
						|
	u32 intstat=0;
 | 
						|
 | 
						|
	cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * howlong;
 | 
						|
 | 
						|
	if (sleepFlag == CAN_SLEEP) {
 | 
						|
		while (--cntdn) {
 | 
						|
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
 | 
						|
			if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
 | 
						|
				break;
 | 
						|
			msleep_interruptible (1);
 | 
						|
			count++;
 | 
						|
		}
 | 
						|
	} else {
 | 
						|
		while (--cntdn) {
 | 
						|
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
 | 
						|
			if (! (intstat & MPI_HIS_IOP_DOORBELL_STATUS))
 | 
						|
				break;
 | 
						|
			mdelay (1);
 | 
						|
			count++;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if (cntdn) {
 | 
						|
		dprintk((MYIOC_s_INFO_FMT "WaitForDoorbell ACK (count=%d)\n",
 | 
						|
				ioc->name, count));
 | 
						|
		return count;
 | 
						|
	}
 | 
						|
 | 
						|
	printk(MYIOC_s_ERR_FMT "Doorbell ACK timeout (count=%d), IntStatus=%x!\n",
 | 
						|
			ioc->name, count, intstat);
 | 
						|
	return -1;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	WaitForDoorbellInt - Wait for IOC to set the HIS_DOORBELL_INTERRUPT bit
 | 
						|
 *	in it's IntStatus register.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@howlong: How long to wait (in seconds)
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	This routine waits (up to ~2 seconds max) for IOC doorbell interrupt.
 | 
						|
 *
 | 
						|
 *	Returns a negative value on failure, else wait loop count.
 | 
						|
 */
 | 
						|
static int
 | 
						|
WaitForDoorbellInt(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
 | 
						|
{
 | 
						|
	int cntdn;
 | 
						|
	int count = 0;
 | 
						|
	u32 intstat=0;
 | 
						|
 | 
						|
	cntdn = ((sleepFlag == CAN_SLEEP) ? HZ : 1000) * howlong;
 | 
						|
	if (sleepFlag == CAN_SLEEP) {
 | 
						|
		while (--cntdn) {
 | 
						|
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
 | 
						|
			if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
 | 
						|
				break;
 | 
						|
			msleep_interruptible(1);
 | 
						|
			count++;
 | 
						|
		}
 | 
						|
	} else {
 | 
						|
		while (--cntdn) {
 | 
						|
			intstat = CHIPREG_READ32(&ioc->chip->IntStatus);
 | 
						|
			if (intstat & MPI_HIS_DOORBELL_INTERRUPT)
 | 
						|
				break;
 | 
						|
			mdelay(1);
 | 
						|
			count++;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if (cntdn) {
 | 
						|
		dprintk((MYIOC_s_INFO_FMT "WaitForDoorbell INT (cnt=%d) howlong=%d\n",
 | 
						|
				ioc->name, count, howlong));
 | 
						|
		return count;
 | 
						|
	}
 | 
						|
 | 
						|
	printk(MYIOC_s_ERR_FMT "Doorbell INT timeout (count=%d), IntStatus=%x!\n",
 | 
						|
			ioc->name, count, intstat);
 | 
						|
	return -1;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	WaitForDoorbellReply - Wait for and capture a IOC handshake reply.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@howlong: How long to wait (in seconds)
 | 
						|
 *	@sleepFlag: Specifies whether the process can sleep
 | 
						|
 *
 | 
						|
 *	This routine polls the IOC for a handshake reply, 16 bits at a time.
 | 
						|
 *	Reply is cached to IOC private area large enough to hold a maximum
 | 
						|
 *	of 128 bytes of reply data.
 | 
						|
 *
 | 
						|
 *	Returns a negative value on failure, else size of reply in WORDS.
 | 
						|
 */
 | 
						|
static int
 | 
						|
WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
 | 
						|
{
 | 
						|
	int u16cnt = 0;
 | 
						|
	int failcnt = 0;
 | 
						|
	int t;
 | 
						|
	u16 *hs_reply = ioc->hs_reply;
 | 
						|
	volatile MPIDefaultReply_t *mptReply = (MPIDefaultReply_t *) ioc->hs_reply;
 | 
						|
	u16 hword;
 | 
						|
 | 
						|
	hs_reply[0] = hs_reply[1] = hs_reply[7] = 0;
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Get first two u16's so we can look at IOC's intended reply MsgLength
 | 
						|
	 */
 | 
						|
	u16cnt=0;
 | 
						|
	if ((t = WaitForDoorbellInt(ioc, howlong, sleepFlag)) < 0) {
 | 
						|
		failcnt++;
 | 
						|
	} else {
 | 
						|
		hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
		if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
 | 
						|
			failcnt++;
 | 
						|
		else {
 | 
						|
			hs_reply[u16cnt++] = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
 | 
						|
			CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	dhsprintk((MYIOC_s_INFO_FMT "WaitCnt=%d First handshake reply word=%08x%s\n",
 | 
						|
			ioc->name, t, le32_to_cpu(*(u32 *)hs_reply), 
 | 
						|
			failcnt ? " - MISSING DOORBELL HANDSHAKE!" : ""));
 | 
						|
 | 
						|
	/*
 | 
						|
	 * If no error (and IOC said MsgLength is > 0), piece together
 | 
						|
	 * reply 16 bits at a time.
 | 
						|
	 */
 | 
						|
	for (u16cnt=2; !failcnt && u16cnt < (2 * mptReply->MsgLength); u16cnt++) {
 | 
						|
		if ((t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
 | 
						|
			failcnt++;
 | 
						|
		hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
 | 
						|
		/* don't overflow our IOC hs_reply[] buffer! */
 | 
						|
		if (u16cnt < sizeof(ioc->hs_reply) / sizeof(ioc->hs_reply[0]))
 | 
						|
			hs_reply[u16cnt] = hword;
 | 
						|
		CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
	}
 | 
						|
 | 
						|
	if (!failcnt && (t = WaitForDoorbellInt(ioc, 5, sleepFlag)) < 0)
 | 
						|
		failcnt++;
 | 
						|
	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 | 
						|
 | 
						|
	if (failcnt) {
 | 
						|
		printk(MYIOC_s_ERR_FMT "Handshake reply failure!\n",
 | 
						|
				ioc->name);
 | 
						|
		return -failcnt;
 | 
						|
	}
 | 
						|
#if 0
 | 
						|
	else if (u16cnt != (2 * mptReply->MsgLength)) {
 | 
						|
		return -101;
 | 
						|
	}
 | 
						|
	else if ((mptReply->IOCStatus & MPI_IOCSTATUS_MASK) != MPI_IOCSTATUS_SUCCESS) {
 | 
						|
		return -102;
 | 
						|
	}
 | 
						|
#endif
 | 
						|
 | 
						|
	dhsprintk((MYIOC_s_INFO_FMT "Got Handshake reply:\n", ioc->name));
 | 
						|
	DBG_DUMP_REPLY_FRAME(mptReply)
 | 
						|
 | 
						|
	dhsprintk((MYIOC_s_INFO_FMT "WaitForDoorbell REPLY WaitCnt=%d (sz=%d)\n",
 | 
						|
			ioc->name, t, u16cnt/2));
 | 
						|
	return u16cnt/2;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	GetLanConfigPages - Fetch LANConfig pages.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *
 | 
						|
 *	Return: 0 for success
 | 
						|
 *	-ENOMEM if no memory available
 | 
						|
 *		-EPERM if not allowed due to ISR context
 | 
						|
 *		-EAGAIN if no msg frames currently available
 | 
						|
 *		-EFAULT for non-successful reply or no reply (timeout)
 | 
						|
 */
 | 
						|
static int
 | 
						|
GetLanConfigPages(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	ConfigPageHeader_t	 hdr;
 | 
						|
	CONFIGPARMS		 cfg;
 | 
						|
	LANPage0_t		*ppage0_alloc;
 | 
						|
	dma_addr_t		 page0_dma;
 | 
						|
	LANPage1_t		*ppage1_alloc;
 | 
						|
	dma_addr_t		 page1_dma;
 | 
						|
	int			 rc = 0;
 | 
						|
	int			 data_sz;
 | 
						|
	int			 copy_sz;
 | 
						|
 | 
						|
	/* Get LAN Page 0 header */
 | 
						|
	hdr.PageVersion = 0;
 | 
						|
	hdr.PageLength = 0;
 | 
						|
	hdr.PageNumber = 0;
 | 
						|
	hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
 | 
						|
	cfg.hdr = &hdr;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	cfg.pageAddr = 0;
 | 
						|
	cfg.timeout = 0;
 | 
						|
 | 
						|
	if ((rc = mpt_config(ioc, &cfg)) != 0)
 | 
						|
		return rc;
 | 
						|
 | 
						|
	if (hdr.PageLength > 0) {
 | 
						|
		data_sz = hdr.PageLength * 4;
 | 
						|
		ppage0_alloc = (LANPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
 | 
						|
		rc = -ENOMEM;
 | 
						|
		if (ppage0_alloc) {
 | 
						|
			memset((u8 *)ppage0_alloc, 0, data_sz);
 | 
						|
			cfg.physAddr = page0_dma;
 | 
						|
			cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 | 
						|
 | 
						|
			if ((rc = mpt_config(ioc, &cfg)) == 0) {
 | 
						|
				/* save the data */
 | 
						|
				copy_sz = min_t(int, sizeof(LANPage0_t), data_sz);
 | 
						|
				memcpy(&ioc->lan_cnfg_page0, ppage0_alloc, copy_sz);
 | 
						|
 | 
						|
			}
 | 
						|
 | 
						|
			pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
 | 
						|
 | 
						|
			/* FIXME!
 | 
						|
			 *	Normalize endianness of structure data,
 | 
						|
			 *	by byte-swapping all > 1 byte fields!
 | 
						|
			 */
 | 
						|
 | 
						|
		}
 | 
						|
 | 
						|
		if (rc)
 | 
						|
			return rc;
 | 
						|
	}
 | 
						|
 | 
						|
	/* Get LAN Page 1 header */
 | 
						|
	hdr.PageVersion = 0;
 | 
						|
	hdr.PageLength = 0;
 | 
						|
	hdr.PageNumber = 1;
 | 
						|
	hdr.PageType = MPI_CONFIG_PAGETYPE_LAN;
 | 
						|
	cfg.hdr = &hdr;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	cfg.pageAddr = 0;
 | 
						|
 | 
						|
	if ((rc = mpt_config(ioc, &cfg)) != 0)
 | 
						|
		return rc;
 | 
						|
 | 
						|
	if (hdr.PageLength == 0)
 | 
						|
		return 0;
 | 
						|
 | 
						|
	data_sz = hdr.PageLength * 4;
 | 
						|
	rc = -ENOMEM;
 | 
						|
	ppage1_alloc = (LANPage1_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page1_dma);
 | 
						|
	if (ppage1_alloc) {
 | 
						|
		memset((u8 *)ppage1_alloc, 0, data_sz);
 | 
						|
		cfg.physAddr = page1_dma;
 | 
						|
		cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 | 
						|
 | 
						|
		if ((rc = mpt_config(ioc, &cfg)) == 0) {
 | 
						|
			/* save the data */
 | 
						|
			copy_sz = min_t(int, sizeof(LANPage1_t), data_sz);
 | 
						|
			memcpy(&ioc->lan_cnfg_page1, ppage1_alloc, copy_sz);
 | 
						|
		}
 | 
						|
 | 
						|
		pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage1_alloc, page1_dma);
 | 
						|
 | 
						|
		/* FIXME!
 | 
						|
		 *	Normalize endianness of structure data,
 | 
						|
		 *	by byte-swapping all > 1 byte fields!
 | 
						|
		 */
 | 
						|
 | 
						|
	}
 | 
						|
 | 
						|
	return rc;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	GetFcPortPage0 - Fetch FCPort config Page0.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@portnum: IOC Port number
 | 
						|
 *
 | 
						|
 *	Return: 0 for success
 | 
						|
 *	-ENOMEM if no memory available
 | 
						|
 *		-EPERM if not allowed due to ISR context
 | 
						|
 *		-EAGAIN if no msg frames currently available
 | 
						|
 *		-EFAULT for non-successful reply or no reply (timeout)
 | 
						|
 */
 | 
						|
static int
 | 
						|
GetFcPortPage0(MPT_ADAPTER *ioc, int portnum)
 | 
						|
{
 | 
						|
	ConfigPageHeader_t	 hdr;
 | 
						|
	CONFIGPARMS		 cfg;
 | 
						|
	FCPortPage0_t		*ppage0_alloc;
 | 
						|
	FCPortPage0_t		*pp0dest;
 | 
						|
	dma_addr_t		 page0_dma;
 | 
						|
	int			 data_sz;
 | 
						|
	int			 copy_sz;
 | 
						|
	int			 rc;
 | 
						|
 | 
						|
	/* Get FCPort Page 0 header */
 | 
						|
	hdr.PageVersion = 0;
 | 
						|
	hdr.PageLength = 0;
 | 
						|
	hdr.PageNumber = 0;
 | 
						|
	hdr.PageType = MPI_CONFIG_PAGETYPE_FC_PORT;
 | 
						|
	cfg.hdr = &hdr;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	cfg.pageAddr = portnum;
 | 
						|
	cfg.timeout = 0;
 | 
						|
 | 
						|
	if ((rc = mpt_config(ioc, &cfg)) != 0)
 | 
						|
		return rc;
 | 
						|
 | 
						|
	if (hdr.PageLength == 0)
 | 
						|
		return 0;
 | 
						|
 | 
						|
	data_sz = hdr.PageLength * 4;
 | 
						|
	rc = -ENOMEM;
 | 
						|
	ppage0_alloc = (FCPortPage0_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page0_dma);
 | 
						|
	if (ppage0_alloc) {
 | 
						|
		memset((u8 *)ppage0_alloc, 0, data_sz);
 | 
						|
		cfg.physAddr = page0_dma;
 | 
						|
		cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 | 
						|
 | 
						|
		if ((rc = mpt_config(ioc, &cfg)) == 0) {
 | 
						|
			/* save the data */
 | 
						|
			pp0dest = &ioc->fc_port_page0[portnum];
 | 
						|
			copy_sz = min_t(int, sizeof(FCPortPage0_t), data_sz);
 | 
						|
			memcpy(pp0dest, ppage0_alloc, copy_sz);
 | 
						|
 | 
						|
			/*
 | 
						|
			 *	Normalize endianness of structure data,
 | 
						|
			 *	by byte-swapping all > 1 byte fields!
 | 
						|
			 */
 | 
						|
			pp0dest->Flags = le32_to_cpu(pp0dest->Flags);
 | 
						|
			pp0dest->PortIdentifier = le32_to_cpu(pp0dest->PortIdentifier);
 | 
						|
			pp0dest->WWNN.Low = le32_to_cpu(pp0dest->WWNN.Low);
 | 
						|
			pp0dest->WWNN.High = le32_to_cpu(pp0dest->WWNN.High);
 | 
						|
			pp0dest->WWPN.Low = le32_to_cpu(pp0dest->WWPN.Low);
 | 
						|
			pp0dest->WWPN.High = le32_to_cpu(pp0dest->WWPN.High);
 | 
						|
			pp0dest->SupportedServiceClass = le32_to_cpu(pp0dest->SupportedServiceClass);
 | 
						|
			pp0dest->SupportedSpeeds = le32_to_cpu(pp0dest->SupportedSpeeds);
 | 
						|
			pp0dest->CurrentSpeed = le32_to_cpu(pp0dest->CurrentSpeed);
 | 
						|
			pp0dest->MaxFrameSize = le32_to_cpu(pp0dest->MaxFrameSize);
 | 
						|
			pp0dest->FabricWWNN.Low = le32_to_cpu(pp0dest->FabricWWNN.Low);
 | 
						|
			pp0dest->FabricWWNN.High = le32_to_cpu(pp0dest->FabricWWNN.High);
 | 
						|
			pp0dest->FabricWWPN.Low = le32_to_cpu(pp0dest->FabricWWPN.Low);
 | 
						|
			pp0dest->FabricWWPN.High = le32_to_cpu(pp0dest->FabricWWPN.High);
 | 
						|
			pp0dest->DiscoveredPortsCount = le32_to_cpu(pp0dest->DiscoveredPortsCount);
 | 
						|
			pp0dest->MaxInitiators = le32_to_cpu(pp0dest->MaxInitiators);
 | 
						|
 | 
						|
		}
 | 
						|
 | 
						|
		pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage0_alloc, page0_dma);
 | 
						|
	}
 | 
						|
 | 
						|
	return rc;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	GetIoUnitPage2 - Retrieve BIOS version and boot order information.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *
 | 
						|
 *	Returns: 0 for success
 | 
						|
 *	-ENOMEM if no memory available
 | 
						|
 *		-EPERM if not allowed due to ISR context
 | 
						|
 *		-EAGAIN if no msg frames currently available
 | 
						|
 *		-EFAULT for non-successful reply or no reply (timeout)
 | 
						|
 */
 | 
						|
static int
 | 
						|
GetIoUnitPage2(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	ConfigPageHeader_t	 hdr;
 | 
						|
	CONFIGPARMS		 cfg;
 | 
						|
	IOUnitPage2_t		*ppage_alloc;
 | 
						|
	dma_addr_t		 page_dma;
 | 
						|
	int			 data_sz;
 | 
						|
	int			 rc;
 | 
						|
 | 
						|
	/* Get the page header */
 | 
						|
	hdr.PageVersion = 0;
 | 
						|
	hdr.PageLength = 0;
 | 
						|
	hdr.PageNumber = 2;
 | 
						|
	hdr.PageType = MPI_CONFIG_PAGETYPE_IO_UNIT;
 | 
						|
	cfg.hdr = &hdr;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	cfg.pageAddr = 0;
 | 
						|
	cfg.timeout = 0;
 | 
						|
 | 
						|
	if ((rc = mpt_config(ioc, &cfg)) != 0)
 | 
						|
		return rc;
 | 
						|
 | 
						|
	if (hdr.PageLength == 0)
 | 
						|
		return 0;
 | 
						|
 | 
						|
	/* Read the config page */
 | 
						|
	data_sz = hdr.PageLength * 4;
 | 
						|
	rc = -ENOMEM;
 | 
						|
	ppage_alloc = (IOUnitPage2_t *) pci_alloc_consistent(ioc->pcidev, data_sz, &page_dma);
 | 
						|
	if (ppage_alloc) {
 | 
						|
		memset((u8 *)ppage_alloc, 0, data_sz);
 | 
						|
		cfg.physAddr = page_dma;
 | 
						|
		cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 | 
						|
 | 
						|
		/* If Good, save data */
 | 
						|
		if ((rc = mpt_config(ioc, &cfg)) == 0)
 | 
						|
			ioc->biosVersion = le32_to_cpu(ppage_alloc->BiosVersion);
 | 
						|
 | 
						|
		pci_free_consistent(ioc->pcidev, data_sz, (u8 *) ppage_alloc, page_dma);
 | 
						|
	}
 | 
						|
 | 
						|
	return rc;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*	mpt_GetScsiPortSettings - read SCSI Port Page 0 and 2
 | 
						|
 *	@ioc: Pointer to a Adapter Strucutre
 | 
						|
 *	@portnum: IOC port number
 | 
						|
 *
 | 
						|
 *	Return: -EFAULT if read of config page header fails
 | 
						|
 *			or if no nvram
 | 
						|
 *	If read of SCSI Port Page 0 fails,
 | 
						|
 *		NVRAM = MPT_HOST_NVRAM_INVALID  (0xFFFFFFFF)
 | 
						|
 *		Adapter settings: async, narrow
 | 
						|
 *		Return 1
 | 
						|
 *	If read of SCSI Port Page 2 fails,
 | 
						|
 *		Adapter settings valid
 | 
						|
 *		NVRAM = MPT_HOST_NVRAM_INVALID  (0xFFFFFFFF)
 | 
						|
 *		Return 1
 | 
						|
 *	Else
 | 
						|
 *		Both valid
 | 
						|
 *		Return 0
 | 
						|
 *	CHECK - what type of locking mechanisms should be used????
 | 
						|
 */
 | 
						|
static int
 | 
						|
mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum)
 | 
						|
{
 | 
						|
	u8			*pbuf;
 | 
						|
	dma_addr_t		 buf_dma;
 | 
						|
	CONFIGPARMS		 cfg;
 | 
						|
	ConfigPageHeader_t	 header;
 | 
						|
	int			 ii;
 | 
						|
	int			 data, rc = 0;
 | 
						|
 | 
						|
	/* Allocate memory
 | 
						|
	 */
 | 
						|
	if (!ioc->spi_data.nvram) {
 | 
						|
		int	 sz;
 | 
						|
		u8	*mem;
 | 
						|
		sz = MPT_MAX_SCSI_DEVICES * sizeof(int);
 | 
						|
		mem = kmalloc(sz, GFP_ATOMIC);
 | 
						|
		if (mem == NULL)
 | 
						|
			return -EFAULT;
 | 
						|
 | 
						|
		ioc->spi_data.nvram = (int *) mem;
 | 
						|
 | 
						|
		dprintk((MYIOC_s_INFO_FMT "SCSI device NVRAM settings @ %p, sz=%d\n",
 | 
						|
			ioc->name, ioc->spi_data.nvram, sz));
 | 
						|
	}
 | 
						|
 | 
						|
	/* Invalidate NVRAM information
 | 
						|
	 */
 | 
						|
	for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
 | 
						|
		ioc->spi_data.nvram[ii] = MPT_HOST_NVRAM_INVALID;
 | 
						|
	}
 | 
						|
 | 
						|
	/* Read SPP0 header, allocate memory, then read page.
 | 
						|
	 */
 | 
						|
	header.PageVersion = 0;
 | 
						|
	header.PageLength = 0;
 | 
						|
	header.PageNumber = 0;
 | 
						|
	header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
 | 
						|
	cfg.hdr = &header;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.pageAddr = portnum;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	cfg.timeout = 0;	/* use default */
 | 
						|
	if (mpt_config(ioc, &cfg) != 0)
 | 
						|
		 return -EFAULT;
 | 
						|
 | 
						|
	if (header.PageLength > 0) {
 | 
						|
		pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
 | 
						|
		if (pbuf) {
 | 
						|
			cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 | 
						|
			cfg.physAddr = buf_dma;
 | 
						|
			if (mpt_config(ioc, &cfg) != 0) {
 | 
						|
				ioc->spi_data.maxBusWidth = MPT_NARROW;
 | 
						|
				ioc->spi_data.maxSyncOffset = 0;
 | 
						|
				ioc->spi_data.minSyncFactor = MPT_ASYNC;
 | 
						|
				ioc->spi_data.busType = MPT_HOST_BUS_UNKNOWN;
 | 
						|
				rc = 1;
 | 
						|
			} else {
 | 
						|
				/* Save the Port Page 0 data
 | 
						|
				 */
 | 
						|
				SCSIPortPage0_t  *pPP0 = (SCSIPortPage0_t  *) pbuf;
 | 
						|
				pPP0->Capabilities = le32_to_cpu(pPP0->Capabilities);
 | 
						|
				pPP0->PhysicalInterface = le32_to_cpu(pPP0->PhysicalInterface);
 | 
						|
 | 
						|
				if ( (pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_QAS) == 0 ) {
 | 
						|
					ioc->spi_data.noQas |= MPT_TARGET_NO_NEGO_QAS;
 | 
						|
					dinitprintk((KERN_INFO MYNAM " :%s noQas due to Capabilities=%x\n",
 | 
						|
						ioc->name, pPP0->Capabilities));
 | 
						|
				}
 | 
						|
				ioc->spi_data.maxBusWidth = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_WIDE ? 1 : 0;
 | 
						|
				data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MAX_SYNC_OFFSET_MASK;
 | 
						|
				if (data) {
 | 
						|
					ioc->spi_data.maxSyncOffset = (u8) (data >> 16);
 | 
						|
					data = pPP0->Capabilities & MPI_SCSIPORTPAGE0_CAP_MIN_SYNC_PERIOD_MASK;
 | 
						|
					ioc->spi_data.minSyncFactor = (u8) (data >> 8);
 | 
						|
				} else {
 | 
						|
					ioc->spi_data.maxSyncOffset = 0;
 | 
						|
					ioc->spi_data.minSyncFactor = MPT_ASYNC;
 | 
						|
				}
 | 
						|
 | 
						|
				ioc->spi_data.busType = pPP0->PhysicalInterface & MPI_SCSIPORTPAGE0_PHY_SIGNAL_TYPE_MASK;
 | 
						|
 | 
						|
				/* Update the minSyncFactor based on bus type.
 | 
						|
				 */
 | 
						|
				if ((ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_HVD) ||
 | 
						|
					(ioc->spi_data.busType == MPI_SCSIPORTPAGE0_PHY_SIGNAL_SE))  {
 | 
						|
 | 
						|
				if (ioc->spi_data.minSyncFactor < MPT_ULTRA)
 | 
						|
						ioc->spi_data.minSyncFactor = MPT_ULTRA;
 | 
						|
				}
 | 
						|
			}
 | 
						|
			if (pbuf) {
 | 
						|
				pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/* SCSI Port Page 2 - Read the header then the page.
 | 
						|
	 */
 | 
						|
	header.PageVersion = 0;
 | 
						|
	header.PageLength = 0;
 | 
						|
	header.PageNumber = 2;
 | 
						|
	header.PageType = MPI_CONFIG_PAGETYPE_SCSI_PORT;
 | 
						|
	cfg.hdr = &header;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.pageAddr = portnum;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	if (mpt_config(ioc, &cfg) != 0)
 | 
						|
		return -EFAULT;
 | 
						|
 | 
						|
	if (header.PageLength > 0) {
 | 
						|
		/* Allocate memory and read SCSI Port Page 2
 | 
						|
		 */
 | 
						|
		pbuf = pci_alloc_consistent(ioc->pcidev, header.PageLength * 4, &buf_dma);
 | 
						|
		if (pbuf) {
 | 
						|
			cfg.action = MPI_CONFIG_ACTION_PAGE_READ_NVRAM;
 | 
						|
			cfg.physAddr = buf_dma;
 | 
						|
			if (mpt_config(ioc, &cfg) != 0) {
 | 
						|
				/* Nvram data is left with INVALID mark
 | 
						|
				 */
 | 
						|
				rc = 1;
 | 
						|
			} else {
 | 
						|
				SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t  *) pbuf;
 | 
						|
				MpiDeviceInfo_t	*pdevice = NULL;
 | 
						|
 | 
						|
				/* Save the Port Page 2 data
 | 
						|
				 * (reformat into a 32bit quantity)
 | 
						|
				 */
 | 
						|
				data = le32_to_cpu(pPP2->PortFlags) & MPI_SCSIPORTPAGE2_PORT_FLAGS_DV_MASK;
 | 
						|
				ioc->spi_data.PortFlags = data;
 | 
						|
				for (ii=0; ii < MPT_MAX_SCSI_DEVICES; ii++) {
 | 
						|
					pdevice = &pPP2->DeviceSettings[ii];
 | 
						|
					data = (le16_to_cpu(pdevice->DeviceFlags) << 16) |
 | 
						|
						(pdevice->SyncFactor << 8) | pdevice->Timeout;
 | 
						|
					ioc->spi_data.nvram[ii] = data;
 | 
						|
				}
 | 
						|
			}
 | 
						|
 | 
						|
			pci_free_consistent(ioc->pcidev, header.PageLength * 4, pbuf, buf_dma);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/* Update Adapter limits with those from NVRAM
 | 
						|
	 * Comment: Don't need to do this. Target performance
 | 
						|
	 * parameters will never exceed the adapters limits.
 | 
						|
	 */
 | 
						|
 | 
						|
	return rc;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*	mpt_readScsiDevicePageHeaders - save version and length of SDP1
 | 
						|
 *	@ioc: Pointer to a Adapter Strucutre
 | 
						|
 *	@portnum: IOC port number
 | 
						|
 *
 | 
						|
 *	Return: -EFAULT if read of config page header fails
 | 
						|
 *		or 0 if success.
 | 
						|
 */
 | 
						|
static int
 | 
						|
mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum)
 | 
						|
{
 | 
						|
	CONFIGPARMS		 cfg;
 | 
						|
	ConfigPageHeader_t	 header;
 | 
						|
 | 
						|
	/* Read the SCSI Device Page 1 header
 | 
						|
	 */
 | 
						|
	header.PageVersion = 0;
 | 
						|
	header.PageLength = 0;
 | 
						|
	header.PageNumber = 1;
 | 
						|
	header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
 | 
						|
	cfg.hdr = &header;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.pageAddr = portnum;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	cfg.timeout = 0;
 | 
						|
	if (mpt_config(ioc, &cfg) != 0)
 | 
						|
		 return -EFAULT;
 | 
						|
 | 
						|
	ioc->spi_data.sdp1version = cfg.hdr->PageVersion;
 | 
						|
	ioc->spi_data.sdp1length = cfg.hdr->PageLength;
 | 
						|
 | 
						|
	header.PageVersion = 0;
 | 
						|
	header.PageLength = 0;
 | 
						|
	header.PageNumber = 0;
 | 
						|
	header.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
 | 
						|
	if (mpt_config(ioc, &cfg) != 0)
 | 
						|
		 return -EFAULT;
 | 
						|
 | 
						|
	ioc->spi_data.sdp0version = cfg.hdr->PageVersion;
 | 
						|
	ioc->spi_data.sdp0length = cfg.hdr->PageLength;
 | 
						|
 | 
						|
	dcprintk((MYIOC_s_INFO_FMT "Headers: 0: version %d length %d\n",
 | 
						|
			ioc->name, ioc->spi_data.sdp0version, ioc->spi_data.sdp0length));
 | 
						|
 | 
						|
	dcprintk((MYIOC_s_INFO_FMT "Headers: 1: version %d length %d\n",
 | 
						|
			ioc->name, ioc->spi_data.sdp1version, ioc->spi_data.sdp1length));
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes
 | 
						|
 *	@ioc: Pointer to a Adapter Strucutre
 | 
						|
 *	@portnum: IOC port number
 | 
						|
 *
 | 
						|
 *	Return:
 | 
						|
 *	0 on success
 | 
						|
 *	-EFAULT if read of config page header fails or data pointer not NULL
 | 
						|
 *	-ENOMEM if pci_alloc failed
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_findImVolumes(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	IOCPage2_t		*pIoc2;
 | 
						|
	u8			*mem;
 | 
						|
	ConfigPageIoc2RaidVol_t	*pIocRv;
 | 
						|
	dma_addr_t		 ioc2_dma;
 | 
						|
	CONFIGPARMS		 cfg;
 | 
						|
	ConfigPageHeader_t	 header;
 | 
						|
	int			 jj;
 | 
						|
	int			 rc = 0;
 | 
						|
	int			 iocpage2sz;
 | 
						|
	u8			 nVols, nPhys;
 | 
						|
	u8			 vid, vbus, vioc;
 | 
						|
 | 
						|
	/* Read IOCP2 header then the page.
 | 
						|
	 */
 | 
						|
	header.PageVersion = 0;
 | 
						|
	header.PageLength = 0;
 | 
						|
	header.PageNumber = 2;
 | 
						|
	header.PageType = MPI_CONFIG_PAGETYPE_IOC;
 | 
						|
	cfg.hdr = &header;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.pageAddr = 0;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	cfg.timeout = 0;
 | 
						|
	if (mpt_config(ioc, &cfg) != 0)
 | 
						|
		 return -EFAULT;
 | 
						|
 | 
						|
	if (header.PageLength == 0)
 | 
						|
		return -EFAULT;
 | 
						|
 | 
						|
	iocpage2sz = header.PageLength * 4;
 | 
						|
	pIoc2 = pci_alloc_consistent(ioc->pcidev, iocpage2sz, &ioc2_dma);
 | 
						|
	if (!pIoc2)
 | 
						|
		return -ENOMEM;
 | 
						|
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 | 
						|
	cfg.physAddr = ioc2_dma;
 | 
						|
	if (mpt_config(ioc, &cfg) != 0)
 | 
						|
		goto done_and_free;
 | 
						|
 | 
						|
	if ( (mem = (u8 *)ioc->spi_data.pIocPg2) == NULL ) {
 | 
						|
		mem = kmalloc(iocpage2sz, GFP_ATOMIC);
 | 
						|
		if (mem) {
 | 
						|
			ioc->spi_data.pIocPg2 = (IOCPage2_t *) mem;
 | 
						|
		} else {
 | 
						|
			goto done_and_free;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	memcpy(mem, (u8 *)pIoc2, iocpage2sz);
 | 
						|
 | 
						|
	/* Identify RAID Volume Id's */
 | 
						|
	nVols = pIoc2->NumActiveVolumes;
 | 
						|
	if ( nVols == 0) {
 | 
						|
		/* No RAID Volume.
 | 
						|
		 */
 | 
						|
		goto done_and_free;
 | 
						|
	} else {
 | 
						|
		/* At least 1 RAID Volume
 | 
						|
		 */
 | 
						|
		pIocRv = pIoc2->RaidVolume;
 | 
						|
		ioc->spi_data.isRaid = 0;
 | 
						|
		for (jj = 0; jj < nVols; jj++, pIocRv++) {
 | 
						|
			vid = pIocRv->VolumeID;
 | 
						|
			vbus = pIocRv->VolumeBus;
 | 
						|
			vioc = pIocRv->VolumeIOC;
 | 
						|
 | 
						|
			/* find the match
 | 
						|
			 */
 | 
						|
			if (vbus == 0) {
 | 
						|
				ioc->spi_data.isRaid |= (1 << vid);
 | 
						|
			} else {
 | 
						|
				/* Error! Always bus 0
 | 
						|
				 */
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	/* Identify Hidden Physical Disk Id's */
 | 
						|
	nPhys = pIoc2->NumActivePhysDisks;
 | 
						|
	if (nPhys == 0) {
 | 
						|
		/* No physical disks.
 | 
						|
		 */
 | 
						|
	} else {
 | 
						|
		mpt_read_ioc_pg_3(ioc);
 | 
						|
	}
 | 
						|
 | 
						|
done_and_free:
 | 
						|
	pci_free_consistent(ioc->pcidev, iocpage2sz, pIoc2, ioc2_dma);
 | 
						|
 | 
						|
	return rc;
 | 
						|
}
 | 
						|
 | 
						|
int
 | 
						|
mpt_read_ioc_pg_3(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	IOCPage3_t		*pIoc3;
 | 
						|
	u8			*mem;
 | 
						|
	CONFIGPARMS		 cfg;
 | 
						|
	ConfigPageHeader_t	 header;
 | 
						|
	dma_addr_t		 ioc3_dma;
 | 
						|
	int			 iocpage3sz = 0;
 | 
						|
 | 
						|
	/* Free the old page
 | 
						|
	 */
 | 
						|
	kfree(ioc->spi_data.pIocPg3);
 | 
						|
	ioc->spi_data.pIocPg3 = NULL;
 | 
						|
 | 
						|
	/* There is at least one physical disk.
 | 
						|
	 * Read and save IOC Page 3
 | 
						|
	 */
 | 
						|
	header.PageVersion = 0;
 | 
						|
	header.PageLength = 0;
 | 
						|
	header.PageNumber = 3;
 | 
						|
	header.PageType = MPI_CONFIG_PAGETYPE_IOC;
 | 
						|
	cfg.hdr = &header;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.pageAddr = 0;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	cfg.timeout = 0;
 | 
						|
	if (mpt_config(ioc, &cfg) != 0)
 | 
						|
		return 0;
 | 
						|
 | 
						|
	if (header.PageLength == 0)
 | 
						|
		return 0;
 | 
						|
 | 
						|
	/* Read Header good, alloc memory
 | 
						|
	 */
 | 
						|
	iocpage3sz = header.PageLength * 4;
 | 
						|
	pIoc3 = pci_alloc_consistent(ioc->pcidev, iocpage3sz, &ioc3_dma);
 | 
						|
	if (!pIoc3)
 | 
						|
		return 0;
 | 
						|
 | 
						|
	/* Read the Page and save the data
 | 
						|
	 * into malloc'd memory.
 | 
						|
	 */
 | 
						|
	cfg.physAddr = ioc3_dma;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 | 
						|
	if (mpt_config(ioc, &cfg) == 0) {
 | 
						|
		mem = kmalloc(iocpage3sz, GFP_ATOMIC);
 | 
						|
		if (mem) {
 | 
						|
			memcpy(mem, (u8 *)pIoc3, iocpage3sz);
 | 
						|
			ioc->spi_data.pIocPg3 = (IOCPage3_t *) mem;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	pci_free_consistent(ioc->pcidev, iocpage3sz, pIoc3, ioc3_dma);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
mpt_read_ioc_pg_4(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	IOCPage4_t		*pIoc4;
 | 
						|
	CONFIGPARMS		 cfg;
 | 
						|
	ConfigPageHeader_t	 header;
 | 
						|
	dma_addr_t		 ioc4_dma;
 | 
						|
	int			 iocpage4sz;
 | 
						|
 | 
						|
	/* Read and save IOC Page 4
 | 
						|
	 */
 | 
						|
	header.PageVersion = 0;
 | 
						|
	header.PageLength = 0;
 | 
						|
	header.PageNumber = 4;
 | 
						|
	header.PageType = MPI_CONFIG_PAGETYPE_IOC;
 | 
						|
	cfg.hdr = &header;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.pageAddr = 0;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	cfg.timeout = 0;
 | 
						|
	if (mpt_config(ioc, &cfg) != 0)
 | 
						|
		return;
 | 
						|
 | 
						|
	if (header.PageLength == 0)
 | 
						|
		return;
 | 
						|
 | 
						|
	if ( (pIoc4 = ioc->spi_data.pIocPg4) == NULL ) {
 | 
						|
		iocpage4sz = (header.PageLength + 4) * 4; /* Allow 4 additional SEP's */
 | 
						|
		pIoc4 = pci_alloc_consistent(ioc->pcidev, iocpage4sz, &ioc4_dma);
 | 
						|
		if (!pIoc4)
 | 
						|
			return;
 | 
						|
	} else {
 | 
						|
		ioc4_dma = ioc->spi_data.IocPg4_dma;
 | 
						|
		iocpage4sz = ioc->spi_data.IocPg4Sz;
 | 
						|
	}
 | 
						|
 | 
						|
	/* Read the Page into dma memory.
 | 
						|
	 */
 | 
						|
	cfg.physAddr = ioc4_dma;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 | 
						|
	if (mpt_config(ioc, &cfg) == 0) {
 | 
						|
		ioc->spi_data.pIocPg4 = (IOCPage4_t *) pIoc4;
 | 
						|
		ioc->spi_data.IocPg4_dma = ioc4_dma;
 | 
						|
		ioc->spi_data.IocPg4Sz = iocpage4sz;
 | 
						|
	} else {
 | 
						|
		pci_free_consistent(ioc->pcidev, iocpage4sz, pIoc4, ioc4_dma);
 | 
						|
		ioc->spi_data.pIocPg4 = NULL;
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static void
 | 
						|
mpt_read_ioc_pg_1(MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	IOCPage1_t		*pIoc1;
 | 
						|
	CONFIGPARMS		 cfg;
 | 
						|
	ConfigPageHeader_t	 header;
 | 
						|
	dma_addr_t		 ioc1_dma;
 | 
						|
	int			 iocpage1sz = 0;
 | 
						|
	u32			 tmp;
 | 
						|
 | 
						|
	/* Check the Coalescing Timeout in IOC Page 1
 | 
						|
	 */
 | 
						|
	header.PageVersion = 0;
 | 
						|
	header.PageLength = 0;
 | 
						|
	header.PageNumber = 1;
 | 
						|
	header.PageType = MPI_CONFIG_PAGETYPE_IOC;
 | 
						|
	cfg.hdr = &header;
 | 
						|
	cfg.physAddr = -1;
 | 
						|
	cfg.pageAddr = 0;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
 | 
						|
	cfg.dir = 0;
 | 
						|
	cfg.timeout = 0;
 | 
						|
	if (mpt_config(ioc, &cfg) != 0)
 | 
						|
		return;
 | 
						|
 | 
						|
	if (header.PageLength == 0)
 | 
						|
		return;
 | 
						|
 | 
						|
	/* Read Header good, alloc memory
 | 
						|
	 */
 | 
						|
	iocpage1sz = header.PageLength * 4;
 | 
						|
	pIoc1 = pci_alloc_consistent(ioc->pcidev, iocpage1sz, &ioc1_dma);
 | 
						|
	if (!pIoc1)
 | 
						|
		return;
 | 
						|
 | 
						|
	/* Read the Page and check coalescing timeout
 | 
						|
	 */
 | 
						|
	cfg.physAddr = ioc1_dma;
 | 
						|
	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
 | 
						|
	if (mpt_config(ioc, &cfg) == 0) {
 | 
						|
		
 | 
						|
		tmp = le32_to_cpu(pIoc1->Flags) & MPI_IOCPAGE1_REPLY_COALESCING;
 | 
						|
		if (tmp == MPI_IOCPAGE1_REPLY_COALESCING) {
 | 
						|
			tmp = le32_to_cpu(pIoc1->CoalescingTimeout);
 | 
						|
 | 
						|
			dprintk((MYIOC_s_INFO_FMT "Coalescing Enabled Timeout = %d\n",
 | 
						|
					ioc->name, tmp));
 | 
						|
 | 
						|
			if (tmp > MPT_COALESCING_TIMEOUT) {
 | 
						|
				pIoc1->CoalescingTimeout = cpu_to_le32(MPT_COALESCING_TIMEOUT);
 | 
						|
 | 
						|
				/* Write NVRAM and current
 | 
						|
				 */
 | 
						|
				cfg.dir = 1;
 | 
						|
				cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
 | 
						|
				if (mpt_config(ioc, &cfg) == 0) {
 | 
						|
					dprintk((MYIOC_s_INFO_FMT "Reset Current Coalescing Timeout to = %d\n",
 | 
						|
							ioc->name, MPT_COALESCING_TIMEOUT));
 | 
						|
 | 
						|
					cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_NVRAM;
 | 
						|
					if (mpt_config(ioc, &cfg) == 0) {
 | 
						|
						dprintk((MYIOC_s_INFO_FMT "Reset NVRAM Coalescing Timeout to = %d\n",
 | 
						|
								ioc->name, MPT_COALESCING_TIMEOUT));
 | 
						|
					} else {
 | 
						|
						dprintk((MYIOC_s_INFO_FMT "Reset NVRAM Coalescing Timeout Failed\n",
 | 
						|
									ioc->name));
 | 
						|
					}
 | 
						|
 | 
						|
				} else {
 | 
						|
					dprintk((MYIOC_s_WARN_FMT "Reset of Current Coalescing Timeout Failed!\n",
 | 
						|
								ioc->name));
 | 
						|
				}
 | 
						|
			}
 | 
						|
 | 
						|
		} else {
 | 
						|
			dprintk((MYIOC_s_WARN_FMT "Coalescing Disabled\n", ioc->name));
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	pci_free_consistent(ioc->pcidev, iocpage1sz, pIoc1, ioc1_dma);
 | 
						|
 | 
						|
	return;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	SendEventNotification - Send EventNotification (on or off) request
 | 
						|
 *	to MPT adapter.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@EvSwitch: Event switch flags
 | 
						|
 */
 | 
						|
static int
 | 
						|
SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch)
 | 
						|
{
 | 
						|
	EventNotification_t	*evnp;
 | 
						|
 | 
						|
	evnp = (EventNotification_t *) mpt_get_msg_frame(mpt_base_index, ioc);
 | 
						|
	if (evnp == NULL) {
 | 
						|
		dprintk((MYIOC_s_WARN_FMT "Unable to allocate event request frame!\n",
 | 
						|
				ioc->name));
 | 
						|
		return 0;
 | 
						|
	}
 | 
						|
	memset(evnp, 0, sizeof(*evnp));
 | 
						|
 | 
						|
	dprintk((MYIOC_s_INFO_FMT "Sending EventNotification(%d)\n", ioc->name, EvSwitch));
 | 
						|
 | 
						|
	evnp->Function = MPI_FUNCTION_EVENT_NOTIFICATION;
 | 
						|
	evnp->ChainOffset = 0;
 | 
						|
	evnp->MsgFlags = 0;
 | 
						|
	evnp->Switch = EvSwitch;
 | 
						|
 | 
						|
	mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)evnp);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	SendEventAck - Send EventAck request to MPT adapter.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@evnp: Pointer to original EventNotification request
 | 
						|
 */
 | 
						|
static int
 | 
						|
SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp)
 | 
						|
{
 | 
						|
	EventAck_t	*pAck;
 | 
						|
 | 
						|
	if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
 | 
						|
		printk(MYIOC_s_WARN_FMT "Unable to allocate event ACK request frame!\n",
 | 
						|
				ioc->name);
 | 
						|
		return -1;
 | 
						|
	}
 | 
						|
	memset(pAck, 0, sizeof(*pAck));
 | 
						|
 | 
						|
	dprintk((MYIOC_s_INFO_FMT "Sending EventAck\n", ioc->name));
 | 
						|
 | 
						|
	pAck->Function     = MPI_FUNCTION_EVENT_ACK;
 | 
						|
	pAck->ChainOffset  = 0;
 | 
						|
	pAck->MsgFlags     = 0;
 | 
						|
	pAck->Event        = evnp->Event;
 | 
						|
	pAck->EventContext = evnp->EventContext;
 | 
						|
 | 
						|
	mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)pAck);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_config - Generic function to issue config message
 | 
						|
 *	@ioc - Pointer to an adapter structure
 | 
						|
 *	@cfg - Pointer to a configuration structure. Struct contains
 | 
						|
 *		action, page address, direction, physical address
 | 
						|
 *		and pointer to a configuration page header
 | 
						|
 *		Page header is updated.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success
 | 
						|
 *	-EPERM if not allowed due to ISR context
 | 
						|
 *	-EAGAIN if no msg frames currently available
 | 
						|
 *	-EFAULT for non-successful reply or no reply (timeout)
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
 | 
						|
{
 | 
						|
	Config_t	*pReq;
 | 
						|
	MPT_FRAME_HDR	*mf;
 | 
						|
	unsigned long	 flags;
 | 
						|
	int		 ii, rc;
 | 
						|
	u32		 flagsLength;
 | 
						|
	int		 in_isr;
 | 
						|
 | 
						|
	/*	Prevent calling wait_event() (below), if caller happens
 | 
						|
	 *	to be in ISR context, because that is fatal!
 | 
						|
	 */
 | 
						|
	in_isr = in_interrupt();
 | 
						|
	if (in_isr) {
 | 
						|
		dcprintk((MYIOC_s_WARN_FMT "Config request not allowed in ISR context!\n",
 | 
						|
				ioc->name));
 | 
						|
		return -EPERM;
 | 
						|
	}
 | 
						|
 | 
						|
	/* Get and Populate a free Frame
 | 
						|
	 */
 | 
						|
	if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
 | 
						|
		dcprintk((MYIOC_s_WARN_FMT "mpt_config: no msg frames!\n",
 | 
						|
				ioc->name));
 | 
						|
		return -EAGAIN;
 | 
						|
	}
 | 
						|
	pReq = (Config_t *)mf;
 | 
						|
	pReq->Action = pCfg->action;
 | 
						|
	pReq->Reserved = 0;
 | 
						|
	pReq->ChainOffset = 0;
 | 
						|
	pReq->Function = MPI_FUNCTION_CONFIG;
 | 
						|
	pReq->ExtPageLength = 0;
 | 
						|
	pReq->ExtPageType = 0;
 | 
						|
	pReq->MsgFlags = 0;
 | 
						|
	for (ii=0; ii < 8; ii++)
 | 
						|
		pReq->Reserved2[ii] = 0;
 | 
						|
 | 
						|
	pReq->Header.PageVersion = pCfg->hdr->PageVersion;
 | 
						|
	pReq->Header.PageLength = pCfg->hdr->PageLength;
 | 
						|
	pReq->Header.PageNumber = pCfg->hdr->PageNumber;
 | 
						|
	pReq->Header.PageType = (pCfg->hdr->PageType & MPI_CONFIG_PAGETYPE_MASK);
 | 
						|
	pReq->PageAddress = cpu_to_le32(pCfg->pageAddr);
 | 
						|
 | 
						|
	/* Add a SGE to the config request.
 | 
						|
	 */
 | 
						|
	if (pCfg->dir)
 | 
						|
		flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE;
 | 
						|
	else
 | 
						|
		flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
 | 
						|
 | 
						|
	flagsLength |= pCfg->hdr->PageLength * 4;
 | 
						|
 | 
						|
	mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
 | 
						|
 | 
						|
	dcprintk((MYIOC_s_INFO_FMT "Sending Config request type %d, page %d and action %d\n",
 | 
						|
		ioc->name, pReq->Header.PageType, pReq->Header.PageNumber, pReq->Action));
 | 
						|
 | 
						|
	/* Append pCfg pointer to end of mf
 | 
						|
	 */
 | 
						|
	*((void **) (((u8 *) mf) + (ioc->req_sz - sizeof(void *)))) =  (void *) pCfg;
 | 
						|
 | 
						|
	/* Initalize the timer
 | 
						|
	 */
 | 
						|
	init_timer(&pCfg->timer);
 | 
						|
	pCfg->timer.data = (unsigned long) ioc;
 | 
						|
	pCfg->timer.function = mpt_timer_expired;
 | 
						|
	pCfg->wait_done = 0;
 | 
						|
 | 
						|
	/* Set the timer; ensure 10 second minimum */
 | 
						|
	if (pCfg->timeout < 10)
 | 
						|
		pCfg->timer.expires = jiffies + HZ*10;
 | 
						|
	else
 | 
						|
		pCfg->timer.expires = jiffies + HZ*pCfg->timeout;
 | 
						|
 | 
						|
	/* Add to end of Q, set timer and then issue this command */
 | 
						|
	spin_lock_irqsave(&ioc->FreeQlock, flags);
 | 
						|
	list_add_tail(&pCfg->linkage, &ioc->configQ);
 | 
						|
	spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 | 
						|
 | 
						|
	add_timer(&pCfg->timer);
 | 
						|
	mpt_put_msg_frame(mpt_base_index, ioc, mf);
 | 
						|
	wait_event(mpt_waitq, pCfg->wait_done);
 | 
						|
 | 
						|
	/* mf has been freed - do not access */
 | 
						|
 | 
						|
	rc = pCfg->status;
 | 
						|
 | 
						|
	return rc;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_toolbox - Generic function to issue toolbox message
 | 
						|
 *	@ioc - Pointer to an adapter structure
 | 
						|
 *	@cfg - Pointer to a toolbox structure. Struct contains
 | 
						|
 *		action, page address, direction, physical address
 | 
						|
 *		and pointer to a configuration page header
 | 
						|
 *		Page header is updated.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success
 | 
						|
 *	-EPERM if not allowed due to ISR context
 | 
						|
 *	-EAGAIN if no msg frames currently available
 | 
						|
 *	-EFAULT for non-successful reply or no reply (timeout)
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_toolbox(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
 | 
						|
{
 | 
						|
	ToolboxIstwiReadWriteRequest_t	*pReq;
 | 
						|
	MPT_FRAME_HDR	*mf;
 | 
						|
	struct pci_dev	*pdev;
 | 
						|
	unsigned long	 flags;
 | 
						|
	int		 rc;
 | 
						|
	u32		 flagsLength;
 | 
						|
	int		 in_isr;
 | 
						|
 | 
						|
	/*	Prevent calling wait_event() (below), if caller happens
 | 
						|
	 *	to be in ISR context, because that is fatal!
 | 
						|
	 */
 | 
						|
	in_isr = in_interrupt();
 | 
						|
	if (in_isr) {
 | 
						|
		dcprintk((MYIOC_s_WARN_FMT "toobox request not allowed in ISR context!\n",
 | 
						|
				ioc->name));
 | 
						|
		return -EPERM;
 | 
						|
	}
 | 
						|
 | 
						|
	/* Get and Populate a free Frame
 | 
						|
	 */
 | 
						|
	if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
 | 
						|
		dcprintk((MYIOC_s_WARN_FMT "mpt_toolbox: no msg frames!\n",
 | 
						|
				ioc->name));
 | 
						|
		return -EAGAIN;
 | 
						|
	}
 | 
						|
	pReq = (ToolboxIstwiReadWriteRequest_t	*)mf;
 | 
						|
	pReq->Tool = pCfg->action;
 | 
						|
	pReq->Reserved = 0;
 | 
						|
	pReq->ChainOffset = 0;
 | 
						|
	pReq->Function = MPI_FUNCTION_TOOLBOX;
 | 
						|
	pReq->Reserved1 = 0;
 | 
						|
	pReq->Reserved2 = 0;
 | 
						|
	pReq->MsgFlags = 0;
 | 
						|
	pReq->Flags = pCfg->dir;
 | 
						|
	pReq->BusNum = 0;
 | 
						|
	pReq->Reserved3 = 0;
 | 
						|
	pReq->NumAddressBytes = 0x01;
 | 
						|
	pReq->Reserved4 = 0;
 | 
						|
	pReq->DataLength = 0x04;
 | 
						|
	pdev = (struct pci_dev *) ioc->pcidev;
 | 
						|
	if (pdev->devfn & 1)
 | 
						|
		pReq->DeviceAddr = 0xB2;
 | 
						|
	else
 | 
						|
		pReq->DeviceAddr = 0xB0;
 | 
						|
	pReq->Addr1 = 0;
 | 
						|
	pReq->Addr2 = 0;
 | 
						|
	pReq->Addr3 = 0;
 | 
						|
	pReq->Reserved5 = 0;
 | 
						|
 | 
						|
	/* Add a SGE to the config request.
 | 
						|
	 */
 | 
						|
 | 
						|
	flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | 4;
 | 
						|
 | 
						|
	mpt_add_sge((char *)&pReq->SGL, flagsLength, pCfg->physAddr);
 | 
						|
 | 
						|
	dcprintk((MYIOC_s_INFO_FMT "Sending Toolbox request, Tool=%x\n",
 | 
						|
		ioc->name, pReq->Tool));
 | 
						|
 | 
						|
	/* Append pCfg pointer to end of mf
 | 
						|
	 */
 | 
						|
	*((void **) (((u8 *) mf) + (ioc->req_sz - sizeof(void *)))) =  (void *) pCfg;
 | 
						|
 | 
						|
	/* Initalize the timer
 | 
						|
	 */
 | 
						|
	init_timer(&pCfg->timer);
 | 
						|
	pCfg->timer.data = (unsigned long) ioc;
 | 
						|
	pCfg->timer.function = mpt_timer_expired;
 | 
						|
	pCfg->wait_done = 0;
 | 
						|
 | 
						|
	/* Set the timer; ensure 10 second minimum */
 | 
						|
	if (pCfg->timeout < 10)
 | 
						|
		pCfg->timer.expires = jiffies + HZ*10;
 | 
						|
	else
 | 
						|
		pCfg->timer.expires = jiffies + HZ*pCfg->timeout;
 | 
						|
 | 
						|
	/* Add to end of Q, set timer and then issue this command */
 | 
						|
	spin_lock_irqsave(&ioc->FreeQlock, flags);
 | 
						|
	list_add_tail(&pCfg->linkage, &ioc->configQ);
 | 
						|
	spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 | 
						|
 | 
						|
	add_timer(&pCfg->timer);
 | 
						|
	mpt_put_msg_frame(mpt_base_index, ioc, mf);
 | 
						|
	wait_event(mpt_waitq, pCfg->wait_done);
 | 
						|
 | 
						|
	/* mf has been freed - do not access */
 | 
						|
 | 
						|
	rc = pCfg->status;
 | 
						|
 | 
						|
	return rc;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_timer_expired - Call back for timer process.
 | 
						|
 *	Used only internal config functionality.
 | 
						|
 *	@data: Pointer to MPT_SCSI_HOST recast as an unsigned long
 | 
						|
 */
 | 
						|
static void
 | 
						|
mpt_timer_expired(unsigned long data)
 | 
						|
{
 | 
						|
	MPT_ADAPTER *ioc = (MPT_ADAPTER *) data;
 | 
						|
 | 
						|
	dcprintk((MYIOC_s_WARN_FMT "mpt_timer_expired! \n", ioc->name));
 | 
						|
 | 
						|
	/* Perform a FW reload */
 | 
						|
	if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0)
 | 
						|
		printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", ioc->name);
 | 
						|
 | 
						|
	/* No more processing.
 | 
						|
	 * Hard reset clean-up will wake up
 | 
						|
	 * process and free all resources.
 | 
						|
	 */
 | 
						|
	dcprintk((MYIOC_s_WARN_FMT "mpt_timer_expired complete!\n", ioc->name));
 | 
						|
 | 
						|
	return;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_ioc_reset - Base cleanup for hard reset
 | 
						|
 *	@ioc: Pointer to the adapter structure
 | 
						|
 *	@reset_phase: Indicates pre- or post-reset functionality
 | 
						|
 *
 | 
						|
 *	Remark: Free's resources with internally generated commands.
 | 
						|
 */
 | 
						|
static int
 | 
						|
mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 | 
						|
{
 | 
						|
	CONFIGPARMS *pCfg;
 | 
						|
	unsigned long flags;
 | 
						|
 | 
						|
	dprintk((KERN_WARNING MYNAM
 | 
						|
			": IOC %s_reset routed to MPT base driver!\n",
 | 
						|
			reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
 | 
						|
			reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
 | 
						|
 | 
						|
	if (reset_phase == MPT_IOC_SETUP_RESET) {
 | 
						|
		;
 | 
						|
	} else if (reset_phase == MPT_IOC_PRE_RESET) {
 | 
						|
		/* If the internal config Q is not empty -
 | 
						|
		 * delete timer. MF resources will be freed when
 | 
						|
		 * the FIFO's are primed.
 | 
						|
		 */
 | 
						|
		spin_lock_irqsave(&ioc->FreeQlock, flags);
 | 
						|
		list_for_each_entry(pCfg, &ioc->configQ, linkage)
 | 
						|
			del_timer(&pCfg->timer);
 | 
						|
		spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 | 
						|
 | 
						|
	} else {
 | 
						|
		CONFIGPARMS *pNext;
 | 
						|
 | 
						|
		/* Search the configQ for internal commands.
 | 
						|
		 * Flush the Q, and wake up all suspended threads.
 | 
						|
		 */
 | 
						|
		spin_lock_irqsave(&ioc->FreeQlock, flags);
 | 
						|
		list_for_each_entry_safe(pCfg, pNext, &ioc->configQ, linkage) {
 | 
						|
			list_del(&pCfg->linkage);
 | 
						|
 | 
						|
			pCfg->status = MPT_CONFIG_ERROR;
 | 
						|
			pCfg->wait_done = 1;
 | 
						|
			wake_up(&mpt_waitq);
 | 
						|
		}
 | 
						|
		spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 | 
						|
	}
 | 
						|
 | 
						|
	return 1;		/* currently means nothing really */
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
#ifdef CONFIG_PROC_FS		/* { */
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	procfs (%MPT_PROCFS_MPTBASEDIR/...) support stuff...
 | 
						|
 */
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	procmpt_create - Create %MPT_PROCFS_MPTBASEDIR entries.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
static int
 | 
						|
procmpt_create(void)
 | 
						|
{
 | 
						|
	struct proc_dir_entry	*ent;
 | 
						|
 | 
						|
	mpt_proc_root_dir = proc_mkdir(MPT_PROCFS_MPTBASEDIR, NULL);
 | 
						|
	if (mpt_proc_root_dir == NULL)
 | 
						|
		return -ENOTDIR;
 | 
						|
 | 
						|
	ent = create_proc_entry("summary", S_IFREG|S_IRUGO, mpt_proc_root_dir);
 | 
						|
	if (ent)
 | 
						|
		ent->read_proc = procmpt_summary_read;
 | 
						|
 | 
						|
	ent = create_proc_entry("version", S_IFREG|S_IRUGO, mpt_proc_root_dir);
 | 
						|
	if (ent)
 | 
						|
		ent->read_proc = procmpt_version_read;
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	procmpt_destroy - Tear down %MPT_PROCFS_MPTBASEDIR entries.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
static void
 | 
						|
procmpt_destroy(void)
 | 
						|
{
 | 
						|
	remove_proc_entry("version", mpt_proc_root_dir);
 | 
						|
	remove_proc_entry("summary", mpt_proc_root_dir);
 | 
						|
	remove_proc_entry(MPT_PROCFS_MPTBASEDIR, NULL);
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	procmpt_summary_read - Handle read request from /proc/mpt/summary
 | 
						|
 *	or from /proc/mpt/iocN/summary.
 | 
						|
 *	@buf: Pointer to area to write information
 | 
						|
 *	@start: Pointer to start pointer
 | 
						|
 *	@offset: Offset to start writing
 | 
						|
 *	@request:
 | 
						|
 *	@eof: Pointer to EOF integer
 | 
						|
 *	@data: Pointer
 | 
						|
 *
 | 
						|
 *	Returns number of characters written to process performing the read.
 | 
						|
 */
 | 
						|
static int
 | 
						|
procmpt_summary_read(char *buf, char **start, off_t offset, int request, int *eof, void *data)
 | 
						|
{
 | 
						|
	MPT_ADAPTER *ioc;
 | 
						|
	char *out = buf;
 | 
						|
	int len;
 | 
						|
 | 
						|
	if (data) {
 | 
						|
		int more = 0;
 | 
						|
 | 
						|
		ioc = data;
 | 
						|
		mpt_print_ioc_summary(ioc, out, &more, 0, 1);
 | 
						|
 | 
						|
		out += more;
 | 
						|
	} else {
 | 
						|
		list_for_each_entry(ioc, &ioc_list, list) {
 | 
						|
			int	more = 0;
 | 
						|
 | 
						|
			mpt_print_ioc_summary(ioc, out, &more, 0, 1);
 | 
						|
 | 
						|
			out += more;
 | 
						|
			if ((out-buf) >= request)
 | 
						|
				break;
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	len = out - buf;
 | 
						|
 | 
						|
	MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len);
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	procmpt_version_read - Handle read request from /proc/mpt/version.
 | 
						|
 *	@buf: Pointer to area to write information
 | 
						|
 *	@start: Pointer to start pointer
 | 
						|
 *	@offset: Offset to start writing
 | 
						|
 *	@request:
 | 
						|
 *	@eof: Pointer to EOF integer
 | 
						|
 *	@data: Pointer
 | 
						|
 *
 | 
						|
 *	Returns number of characters written to process performing the read.
 | 
						|
 */
 | 
						|
static int
 | 
						|
procmpt_version_read(char *buf, char **start, off_t offset, int request, int *eof, void *data)
 | 
						|
{
 | 
						|
	int	 ii;
 | 
						|
	int	 scsi, fc, sas, lan, ctl, targ, dmp;
 | 
						|
	char	*drvname;
 | 
						|
	int	 len;
 | 
						|
 | 
						|
	len = sprintf(buf, "%s-%s\n", "mptlinux", MPT_LINUX_VERSION_COMMON);
 | 
						|
	len += sprintf(buf+len, "  Fusion MPT base driver\n");
 | 
						|
 | 
						|
	scsi = fc = sas = lan = ctl = targ = dmp = 0;
 | 
						|
	for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
 | 
						|
		drvname = NULL;
 | 
						|
		if (MptCallbacks[ii]) {
 | 
						|
			switch (MptDriverClass[ii]) {
 | 
						|
			case MPTSPI_DRIVER:
 | 
						|
				if (!scsi++) drvname = "SPI host";
 | 
						|
				break;
 | 
						|
			case MPTFC_DRIVER:
 | 
						|
				if (!fc++) drvname = "FC host";
 | 
						|
				break;
 | 
						|
			case MPTSAS_DRIVER:
 | 
						|
				if (!sas++) drvname = "SAS host";
 | 
						|
				break;
 | 
						|
			case MPTLAN_DRIVER:
 | 
						|
				if (!lan++) drvname = "LAN";
 | 
						|
				break;
 | 
						|
			case MPTSTM_DRIVER:
 | 
						|
				if (!targ++) drvname = "SCSI target";
 | 
						|
				break;
 | 
						|
			case MPTCTL_DRIVER:
 | 
						|
				if (!ctl++) drvname = "ioctl";
 | 
						|
				break;
 | 
						|
			}
 | 
						|
 | 
						|
			if (drvname)
 | 
						|
				len += sprintf(buf+len, "  Fusion MPT %s driver\n", drvname);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len);
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	procmpt_iocinfo_read - Handle read request from /proc/mpt/iocN/info.
 | 
						|
 *	@buf: Pointer to area to write information
 | 
						|
 *	@start: Pointer to start pointer
 | 
						|
 *	@offset: Offset to start writing
 | 
						|
 *	@request:
 | 
						|
 *	@eof: Pointer to EOF integer
 | 
						|
 *	@data: Pointer
 | 
						|
 *
 | 
						|
 *	Returns number of characters written to process performing the read.
 | 
						|
 */
 | 
						|
static int
 | 
						|
procmpt_iocinfo_read(char *buf, char **start, off_t offset, int request, int *eof, void *data)
 | 
						|
{
 | 
						|
	MPT_ADAPTER	*ioc = data;
 | 
						|
	int		 len;
 | 
						|
	char		 expVer[32];
 | 
						|
	int		 sz;
 | 
						|
	int		 p;
 | 
						|
 | 
						|
	mpt_get_fw_exp_ver(expVer, ioc);
 | 
						|
 | 
						|
	len = sprintf(buf, "%s:", ioc->name);
 | 
						|
	if (ioc->facts.Flags & MPI_IOCFACTS_FLAGS_FW_DOWNLOAD_BOOT)
 | 
						|
		len += sprintf(buf+len, "  (f/w download boot flag set)");
 | 
						|
//	if (ioc->facts.IOCExceptions & MPI_IOCFACTS_EXCEPT_CONFIG_CHECKSUM_FAIL)
 | 
						|
//		len += sprintf(buf+len, "  CONFIG_CHECKSUM_FAIL!");
 | 
						|
 | 
						|
	len += sprintf(buf+len, "\n  ProductID = 0x%04x (%s)\n",
 | 
						|
			ioc->facts.ProductID,
 | 
						|
			ioc->prod_name);
 | 
						|
	len += sprintf(buf+len, "  FWVersion = 0x%08x%s", ioc->facts.FWVersion.Word, expVer);
 | 
						|
	if (ioc->facts.FWImageSize)
 | 
						|
		len += sprintf(buf+len, " (fw_size=%d)", ioc->facts.FWImageSize);
 | 
						|
	len += sprintf(buf+len, "\n  MsgVersion = 0x%04x\n", ioc->facts.MsgVersion);
 | 
						|
	len += sprintf(buf+len, "  FirstWhoInit = 0x%02x\n", ioc->FirstWhoInit);
 | 
						|
	len += sprintf(buf+len, "  EventState = 0x%02x\n", ioc->facts.EventState);
 | 
						|
 | 
						|
	len += sprintf(buf+len, "  CurrentHostMfaHighAddr = 0x%08x\n",
 | 
						|
			ioc->facts.CurrentHostMfaHighAddr);
 | 
						|
	len += sprintf(buf+len, "  CurrentSenseBufferHighAddr = 0x%08x\n",
 | 
						|
			ioc->facts.CurrentSenseBufferHighAddr);
 | 
						|
 | 
						|
	len += sprintf(buf+len, "  MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth);
 | 
						|
	len += sprintf(buf+len, "  MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize);
 | 
						|
 | 
						|
	len += sprintf(buf+len, "  RequestFrames @ 0x%p (Dma @ 0x%p)\n",
 | 
						|
					(void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma);
 | 
						|
	/*
 | 
						|
	 *  Rounding UP to nearest 4-kB boundary here...
 | 
						|
	 */
 | 
						|
	sz = (ioc->req_sz * ioc->req_depth) + 128;
 | 
						|
	sz = ((sz + 0x1000UL - 1UL) / 0x1000) * 0x1000;
 | 
						|
	len += sprintf(buf+len, "    {CurReqSz=%d} x {CurReqDepth=%d} = %d bytes ^= 0x%x\n",
 | 
						|
					ioc->req_sz, ioc->req_depth, ioc->req_sz*ioc->req_depth, sz);
 | 
						|
	len += sprintf(buf+len, "    {MaxReqSz=%d}   {MaxReqDepth=%d}\n",
 | 
						|
					4*ioc->facts.RequestFrameSize,
 | 
						|
					ioc->facts.GlobalCredits);
 | 
						|
 | 
						|
	len += sprintf(buf+len, "  Frames   @ 0x%p (Dma @ 0x%p)\n",
 | 
						|
					(void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma);
 | 
						|
	sz = (ioc->reply_sz * ioc->reply_depth) + 128;
 | 
						|
	len += sprintf(buf+len, "    {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n",
 | 
						|
					ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz);
 | 
						|
	len += sprintf(buf+len, "    {MaxRepSz=%d}   {MaxRepDepth=%d}\n",
 | 
						|
					ioc->facts.CurReplyFrameSize,
 | 
						|
					ioc->facts.ReplyQueueDepth);
 | 
						|
 | 
						|
	len += sprintf(buf+len, "  MaxDevices = %d\n",
 | 
						|
			(ioc->facts.MaxDevices==0) ? 255 : ioc->facts.MaxDevices);
 | 
						|
	len += sprintf(buf+len, "  MaxBuses = %d\n", ioc->facts.MaxBuses);
 | 
						|
 | 
						|
	/* per-port info */
 | 
						|
	for (p=0; p < ioc->facts.NumberOfPorts; p++) {
 | 
						|
		len += sprintf(buf+len, "  PortNumber = %d (of %d)\n",
 | 
						|
				p+1,
 | 
						|
				ioc->facts.NumberOfPorts);
 | 
						|
		if (ioc->bus_type == FC) {
 | 
						|
			if (ioc->pfacts[p].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) {
 | 
						|
				u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
 | 
						|
				len += sprintf(buf+len, "    LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
 | 
						|
						a[5], a[4], a[3], a[2], a[1], a[0]);
 | 
						|
			}
 | 
						|
			len += sprintf(buf+len, "    WWN = %08X%08X:%08X%08X\n",
 | 
						|
					ioc->fc_port_page0[p].WWNN.High,
 | 
						|
					ioc->fc_port_page0[p].WWNN.Low,
 | 
						|
					ioc->fc_port_page0[p].WWPN.High,
 | 
						|
					ioc->fc_port_page0[p].WWPN.Low);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	MPT_PROC_READ_RETURN(buf,start,offset,request,eof,len);
 | 
						|
}
 | 
						|
 | 
						|
#endif		/* CONFIG_PROC_FS } */
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
static void
 | 
						|
mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc)
 | 
						|
{
 | 
						|
	buf[0] ='\0';
 | 
						|
	if ((ioc->facts.FWVersion.Word >> 24) == 0x0E) {
 | 
						|
		sprintf(buf, " (Exp %02d%02d)",
 | 
						|
			(ioc->facts.FWVersion.Word >> 16) & 0x00FF,	/* Month */
 | 
						|
			(ioc->facts.FWVersion.Word >> 8) & 0x1F);	/* Day */
 | 
						|
 | 
						|
		/* insider hack! */
 | 
						|
		if ((ioc->facts.FWVersion.Word >> 8) & 0x80)
 | 
						|
			strcat(buf, " [MDBG]");
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_print_ioc_summary - Write ASCII summary of IOC to a buffer.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@buffer: Pointer to buffer where IOC summary info should be written
 | 
						|
 *	@size: Pointer to number of bytes we wrote (set by this routine)
 | 
						|
 *	@len: Offset at which to start writing in buffer
 | 
						|
 *	@showlan: Display LAN stuff?
 | 
						|
 *
 | 
						|
 *	This routine writes (english readable) ASCII text, which represents
 | 
						|
 *	a summary of IOC information, to a buffer.
 | 
						|
 */
 | 
						|
void
 | 
						|
mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int showlan)
 | 
						|
{
 | 
						|
	char expVer[32];
 | 
						|
	int y;
 | 
						|
 | 
						|
	mpt_get_fw_exp_ver(expVer, ioc);
 | 
						|
 | 
						|
	/*
 | 
						|
	 *  Shorter summary of attached ioc's...
 | 
						|
	 */
 | 
						|
	y = sprintf(buffer+len, "%s: %s, %s%08xh%s, Ports=%d, MaxQ=%d",
 | 
						|
			ioc->name,
 | 
						|
			ioc->prod_name,
 | 
						|
			MPT_FW_REV_MAGIC_ID_STRING,	/* "FwRev=" or somesuch */
 | 
						|
			ioc->facts.FWVersion.Word,
 | 
						|
			expVer,
 | 
						|
			ioc->facts.NumberOfPorts,
 | 
						|
			ioc->req_depth);
 | 
						|
 | 
						|
	if (showlan && (ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
 | 
						|
		u8 *a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
 | 
						|
		y += sprintf(buffer+len+y, ", LanAddr=%02X:%02X:%02X:%02X:%02X:%02X",
 | 
						|
			a[5], a[4], a[3], a[2], a[1], a[0]);
 | 
						|
	}
 | 
						|
 | 
						|
#ifndef __sparc__
 | 
						|
	y += sprintf(buffer+len+y, ", IRQ=%d", ioc->pci_irq);
 | 
						|
#else
 | 
						|
	y += sprintf(buffer+len+y, ", IRQ=%s", __irq_itoa(ioc->pci_irq));
 | 
						|
#endif
 | 
						|
 | 
						|
	if (!ioc->active)
 | 
						|
		y += sprintf(buffer+len+y, " (disabled)");
 | 
						|
 | 
						|
	y += sprintf(buffer+len+y, "\n");
 | 
						|
 | 
						|
	*size = y;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	Reset Handling
 | 
						|
 */
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/**
 | 
						|
 *	mpt_HardResetHandler - Generic reset handler, issue SCSI Task
 | 
						|
 *	Management call based on input arg values.  If TaskMgmt fails,
 | 
						|
 *	return associated SCSI request.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@sleepFlag: Indicates if sleep or schedule must be called.
 | 
						|
 *
 | 
						|
 *	Remark: _HardResetHandler can be invoked from an interrupt thread (timer)
 | 
						|
 *	or a non-interrupt thread.  In the former, must not call schedule().
 | 
						|
 *
 | 
						|
 *	Remark: A return of -1 is a FATAL error case, as it means a
 | 
						|
 *	FW reload/initialization failed.
 | 
						|
 *
 | 
						|
 *	Returns 0 for SUCCESS or -1 if FAILED.
 | 
						|
 */
 | 
						|
int
 | 
						|
mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
 | 
						|
{
 | 
						|
	int		 rc;
 | 
						|
	unsigned long	 flags;
 | 
						|
 | 
						|
	dtmprintk((MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name));
 | 
						|
#ifdef MFCNT
 | 
						|
	printk(MYIOC_s_INFO_FMT "HardResetHandler Entered!\n", ioc->name);
 | 
						|
	printk("MF count 0x%x !\n", ioc->mfcnt);
 | 
						|
#endif
 | 
						|
 | 
						|
	/* Reset the adapter. Prevent more than 1 call to
 | 
						|
	 * mpt_do_ioc_recovery at any instant in time.
 | 
						|
	 */
 | 
						|
	spin_lock_irqsave(&ioc->diagLock, flags);
 | 
						|
	if ((ioc->diagPending) || (ioc->alt_ioc && ioc->alt_ioc->diagPending)){
 | 
						|
		spin_unlock_irqrestore(&ioc->diagLock, flags);
 | 
						|
		return 0;
 | 
						|
	} else {
 | 
						|
		ioc->diagPending = 1;
 | 
						|
	}
 | 
						|
	spin_unlock_irqrestore(&ioc->diagLock, flags);
 | 
						|
 | 
						|
	/* FIXME: If do_ioc_recovery fails, repeat....
 | 
						|
	 */
 | 
						|
 | 
						|
	/* The SCSI driver needs to adjust timeouts on all current
 | 
						|
	 * commands prior to the diagnostic reset being issued.
 | 
						|
	 * Prevents timeouts occuring during a diagnostic reset...very bad.
 | 
						|
	 * For all other protocol drivers, this is a no-op.
 | 
						|
	 */
 | 
						|
	{
 | 
						|
		int	 ii;
 | 
						|
		int	 r = 0;
 | 
						|
 | 
						|
		for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
 | 
						|
			if (MptResetHandlers[ii]) {
 | 
						|
				dtmprintk((MYIOC_s_INFO_FMT "Calling IOC reset_setup handler #%d\n",
 | 
						|
						ioc->name, ii));
 | 
						|
				r += (*(MptResetHandlers[ii]))(ioc, MPT_IOC_SETUP_RESET);
 | 
						|
				if (ioc->alt_ioc) {
 | 
						|
					dtmprintk((MYIOC_s_INFO_FMT "Calling alt-%s setup reset handler #%d\n",
 | 
						|
							ioc->name, ioc->alt_ioc->name, ii));
 | 
						|
					r += (*(MptResetHandlers[ii]))(ioc->alt_ioc, MPT_IOC_SETUP_RESET);
 | 
						|
				}
 | 
						|
			}
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if ((rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag)) != 0) {
 | 
						|
		printk(KERN_WARNING MYNAM ": WARNING - (%d) Cannot recover %s\n",
 | 
						|
			rc, ioc->name);
 | 
						|
	}
 | 
						|
	ioc->reload_fw = 0;
 | 
						|
	if (ioc->alt_ioc)
 | 
						|
		ioc->alt_ioc->reload_fw = 0;
 | 
						|
 | 
						|
	spin_lock_irqsave(&ioc->diagLock, flags);
 | 
						|
	ioc->diagPending = 0;
 | 
						|
	if (ioc->alt_ioc)
 | 
						|
		ioc->alt_ioc->diagPending = 0;
 | 
						|
	spin_unlock_irqrestore(&ioc->diagLock, flags);
 | 
						|
 | 
						|
	dtmprintk((MYIOC_s_INFO_FMT "HardResetHandler rc = %d!\n", ioc->name, rc));
 | 
						|
 | 
						|
	return rc;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
static char *
 | 
						|
EventDescriptionStr(u8 event, u32 evData0)
 | 
						|
{
 | 
						|
	char *ds;
 | 
						|
 | 
						|
	switch(event) {
 | 
						|
	case MPI_EVENT_NONE:
 | 
						|
		ds = "None";
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_LOG_DATA:
 | 
						|
		ds = "Log Data";
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_STATE_CHANGE:
 | 
						|
		ds = "State Change";
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_UNIT_ATTENTION:
 | 
						|
		ds = "Unit Attention";
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_IOC_BUS_RESET:
 | 
						|
		ds = "IOC Bus Reset";
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_EXT_BUS_RESET:
 | 
						|
		ds = "External Bus Reset";
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_RESCAN:
 | 
						|
		ds = "Bus Rescan Event";
 | 
						|
		/* Ok, do we need to do anything here? As far as
 | 
						|
		   I can tell, this is when a new device gets added
 | 
						|
		   to the loop. */
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_LINK_STATUS_CHANGE:
 | 
						|
		if (evData0 == MPI_EVENT_LINK_STATUS_FAILURE)
 | 
						|
			ds = "Link Status(FAILURE) Change";
 | 
						|
		else
 | 
						|
			ds = "Link Status(ACTIVE) Change";
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_LOOP_STATE_CHANGE:
 | 
						|
		if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP)
 | 
						|
			ds = "Loop State(LIP) Change";
 | 
						|
		else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE)
 | 
						|
			ds = "Loop State(LPE) Change";			/* ??? */
 | 
						|
		else
 | 
						|
			ds = "Loop State(LPB) Change";			/* ??? */
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_LOGOUT:
 | 
						|
		ds = "Logout";
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_EVENT_CHANGE:
 | 
						|
		if (evData0)
 | 
						|
			ds = "Events(ON) Change";
 | 
						|
		else
 | 
						|
			ds = "Events(OFF) Change";
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_INTEGRATED_RAID:
 | 
						|
		ds = "Integrated Raid";
 | 
						|
		break;
 | 
						|
	/*
 | 
						|
	 *  MPT base "custom" events may be added here...
 | 
						|
	 */
 | 
						|
	default:
 | 
						|
		ds = "Unknown";
 | 
						|
		break;
 | 
						|
	}
 | 
						|
	return ds;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	ProcessEventNotification - Route a received EventNotificationReply to
 | 
						|
 *	all currently regeistered event handlers.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@pEventReply: Pointer to EventNotification reply frame
 | 
						|
 *	@evHandlers: Pointer to integer, number of event handlers
 | 
						|
 *
 | 
						|
 *	Returns sum of event handlers return values.
 | 
						|
 */
 | 
						|
static int
 | 
						|
ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply, int *evHandlers)
 | 
						|
{
 | 
						|
	u16 evDataLen;
 | 
						|
	u32 evData0 = 0;
 | 
						|
//	u32 evCtx;
 | 
						|
	int ii;
 | 
						|
	int r = 0;
 | 
						|
	int handlers = 0;
 | 
						|
	char *evStr;
 | 
						|
	u8 event;
 | 
						|
 | 
						|
	/*
 | 
						|
	 *  Do platform normalization of values
 | 
						|
	 */
 | 
						|
	event = le32_to_cpu(pEventReply->Event) & 0xFF;
 | 
						|
//	evCtx = le32_to_cpu(pEventReply->EventContext);
 | 
						|
	evDataLen = le16_to_cpu(pEventReply->EventDataLength);
 | 
						|
	if (evDataLen) {
 | 
						|
		evData0 = le32_to_cpu(pEventReply->Data[0]);
 | 
						|
	}
 | 
						|
 | 
						|
	evStr = EventDescriptionStr(event, evData0);
 | 
						|
	devtprintk((MYIOC_s_INFO_FMT "MPT event (%s=%02Xh) detected!\n",
 | 
						|
			ioc->name,
 | 
						|
			evStr,
 | 
						|
			event));
 | 
						|
 | 
						|
#if defined(MPT_DEBUG) || defined(MPT_DEBUG_EVENTS)
 | 
						|
	printk(KERN_INFO MYNAM ": Event data:\n" KERN_INFO);
 | 
						|
	for (ii = 0; ii < evDataLen; ii++)
 | 
						|
		printk(" %08x", le32_to_cpu(pEventReply->Data[ii]));
 | 
						|
	printk("\n");
 | 
						|
#endif
 | 
						|
 | 
						|
	/*
 | 
						|
	 *  Do general / base driver event processing
 | 
						|
	 */
 | 
						|
	switch(event) {
 | 
						|
	case MPI_EVENT_NONE:			/* 00 */
 | 
						|
	case MPI_EVENT_LOG_DATA:		/* 01 */
 | 
						|
	case MPI_EVENT_STATE_CHANGE:		/* 02 */
 | 
						|
	case MPI_EVENT_UNIT_ATTENTION:		/* 03 */
 | 
						|
	case MPI_EVENT_IOC_BUS_RESET:		/* 04 */
 | 
						|
	case MPI_EVENT_EXT_BUS_RESET:		/* 05 */
 | 
						|
	case MPI_EVENT_RESCAN:			/* 06 */
 | 
						|
	case MPI_EVENT_LINK_STATUS_CHANGE:	/* 07 */
 | 
						|
	case MPI_EVENT_LOOP_STATE_CHANGE:	/* 08 */
 | 
						|
	case MPI_EVENT_LOGOUT:			/* 09 */
 | 
						|
	case MPI_EVENT_INTEGRATED_RAID:		/* 0B */
 | 
						|
	case MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE:	/* 0C */
 | 
						|
	default:
 | 
						|
		break;
 | 
						|
	case MPI_EVENT_EVENT_CHANGE:		/* 0A */
 | 
						|
		if (evDataLen) {
 | 
						|
			u8 evState = evData0 & 0xFF;
 | 
						|
 | 
						|
			/* CHECKME! What if evState unexpectedly says OFF (0)? */
 | 
						|
 | 
						|
			/* Update EventState field in cached IocFacts */
 | 
						|
			if (ioc->facts.Function) {
 | 
						|
				ioc->facts.EventState = evState;
 | 
						|
			}
 | 
						|
		}
 | 
						|
		break;
 | 
						|
	}
 | 
						|
 | 
						|
	/*
 | 
						|
	 * Should this event be logged? Events are written sequentially.
 | 
						|
	 * When buffer is full, start again at the top.
 | 
						|
	 */
 | 
						|
	if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
 | 
						|
		int idx;
 | 
						|
 | 
						|
		idx = ioc->eventContext % ioc->eventLogSize;
 | 
						|
 | 
						|
		ioc->events[idx].event = event;
 | 
						|
		ioc->events[idx].eventContext = ioc->eventContext;
 | 
						|
 | 
						|
		for (ii = 0; ii < 2; ii++) {
 | 
						|
			if (ii < evDataLen)
 | 
						|
				ioc->events[idx].data[ii] = le32_to_cpu(pEventReply->Data[ii]);
 | 
						|
			else
 | 
						|
				ioc->events[idx].data[ii] =  0;
 | 
						|
		}
 | 
						|
 | 
						|
		ioc->eventContext++;
 | 
						|
	}
 | 
						|
 | 
						|
 | 
						|
	/*
 | 
						|
	 *  Call each currently registered protocol event handler.
 | 
						|
	 */
 | 
						|
	for (ii=MPT_MAX_PROTOCOL_DRIVERS-1; ii; ii--) {
 | 
						|
		if (MptEvHandlers[ii]) {
 | 
						|
			devtprintk((MYIOC_s_INFO_FMT "Routing Event to event handler #%d\n",
 | 
						|
					ioc->name, ii));
 | 
						|
			r += (*(MptEvHandlers[ii]))(ioc, pEventReply);
 | 
						|
			handlers++;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	/* FIXME?  Examine results here? */
 | 
						|
 | 
						|
	/*
 | 
						|
	 *  If needed, send (a single) EventAck.
 | 
						|
	 */
 | 
						|
	if (pEventReply->AckRequired == MPI_EVENT_NOTIFICATION_ACK_REQUIRED) {
 | 
						|
		if ((ii = SendEventAck(ioc, pEventReply)) != 0) {
 | 
						|
			devtprintk((MYIOC_s_WARN_FMT "SendEventAck returned %d\n",
 | 
						|
					ioc->name, ii));
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	*evHandlers = handlers;
 | 
						|
	return r;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_fc_log_info - Log information returned from Fibre Channel IOC.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@log_info: U32 LogInfo reply word from the IOC
 | 
						|
 *
 | 
						|
 *	Refer to lsi/fc_log.h.
 | 
						|
 */
 | 
						|
static void
 | 
						|
mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
 | 
						|
{
 | 
						|
	static char *subcl_str[8] = {
 | 
						|
		"FCP Initiator", "FCP Target", "LAN", "MPI Message Layer",
 | 
						|
		"FC Link", "Context Manager", "Invalid Field Offset", "State Change Info"
 | 
						|
	};
 | 
						|
	u8 subcl = (log_info >> 24) & 0x7;
 | 
						|
 | 
						|
	printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): SubCl={%s}\n",
 | 
						|
			ioc->name, log_info, subcl_str[subcl]);
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_sp_log_info - Log information returned from SCSI Parallel IOC.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@mr: Pointer to MPT reply frame
 | 
						|
 *	@log_info: U32 LogInfo word from the IOC
 | 
						|
 *
 | 
						|
 *	Refer to lsi/sp_log.h.
 | 
						|
 */
 | 
						|
static void
 | 
						|
mpt_sp_log_info(MPT_ADAPTER *ioc, u32 log_info)
 | 
						|
{
 | 
						|
	u32 info = log_info & 0x00FF0000;
 | 
						|
	char *desc = "unknown";
 | 
						|
 | 
						|
	switch (info) {
 | 
						|
	case 0x00010000:
 | 
						|
		desc = "bug! MID not found";
 | 
						|
		if (ioc->reload_fw == 0)
 | 
						|
			ioc->reload_fw++;
 | 
						|
		break;
 | 
						|
 | 
						|
	case 0x00020000:
 | 
						|
		desc = "Parity Error";
 | 
						|
		break;
 | 
						|
 | 
						|
	case 0x00030000:
 | 
						|
		desc = "ASYNC Outbound Overrun";
 | 
						|
		break;
 | 
						|
 | 
						|
	case 0x00040000:
 | 
						|
		desc = "SYNC Offset Error";
 | 
						|
		break;
 | 
						|
 | 
						|
	case 0x00050000:
 | 
						|
		desc = "BM Change";
 | 
						|
		break;
 | 
						|
 | 
						|
	case 0x00060000:
 | 
						|
		desc = "Msg In Overflow";
 | 
						|
		break;
 | 
						|
 | 
						|
	case 0x00070000:
 | 
						|
		desc = "DMA Error";
 | 
						|
		break;
 | 
						|
 | 
						|
	case 0x00080000:
 | 
						|
		desc = "Outbound DMA Overrun";
 | 
						|
		break;
 | 
						|
	
 | 
						|
	case 0x00090000:
 | 
						|
		desc = "Task Management";
 | 
						|
		break;
 | 
						|
 | 
						|
	case 0x000A0000:
 | 
						|
		desc = "Device Problem";
 | 
						|
		break;
 | 
						|
 | 
						|
	case 0x000B0000:
 | 
						|
		desc = "Invalid Phase Change";
 | 
						|
		break;
 | 
						|
 | 
						|
	case 0x000C0000:
 | 
						|
		desc = "Untagged Table Size";
 | 
						|
		break;
 | 
						|
	
 | 
						|
	}
 | 
						|
 | 
						|
	printk(MYIOC_s_INFO_FMT "LogInfo(0x%08x): F/W: %s\n", ioc->name, log_info, desc);
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	mpt_sp_ioc_info - IOC information returned from SCSI Parallel IOC.
 | 
						|
 *	@ioc: Pointer to MPT_ADAPTER structure
 | 
						|
 *	@ioc_status: U32 IOCStatus word from IOC
 | 
						|
 *	@mf: Pointer to MPT request frame
 | 
						|
 *
 | 
						|
 *	Refer to lsi/mpi.h.
 | 
						|
 */
 | 
						|
static void
 | 
						|
mpt_sp_ioc_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf)
 | 
						|
{
 | 
						|
	u32 status = ioc_status & MPI_IOCSTATUS_MASK;
 | 
						|
	char *desc = "";
 | 
						|
 | 
						|
	switch (status) {
 | 
						|
	case MPI_IOCSTATUS_INVALID_FUNCTION: /* 0x0001 */
 | 
						|
		desc = "Invalid Function";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_BUSY: /* 0x0002 */
 | 
						|
		desc = "Busy";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_INVALID_SGL: /* 0x0003 */
 | 
						|
		desc = "Invalid SGL";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_INTERNAL_ERROR: /* 0x0004 */
 | 
						|
		desc = "Internal Error";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_RESERVED: /* 0x0005 */
 | 
						|
		desc = "Reserved";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: /* 0x0006 */
 | 
						|
		desc = "Insufficient Resources";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_INVALID_FIELD: /* 0x0007 */
 | 
						|
		desc = "Invalid Field";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_INVALID_STATE: /* 0x0008 */
 | 
						|
		desc = "Invalid State";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_CONFIG_INVALID_ACTION: /* 0x0020 */
 | 
						|
	case MPI_IOCSTATUS_CONFIG_INVALID_TYPE:   /* 0x0021 */
 | 
						|
	case MPI_IOCSTATUS_CONFIG_INVALID_PAGE:   /* 0x0022 */
 | 
						|
	case MPI_IOCSTATUS_CONFIG_INVALID_DATA:   /* 0x0023 */
 | 
						|
	case MPI_IOCSTATUS_CONFIG_NO_DEFAULTS:    /* 0x0024 */
 | 
						|
	case MPI_IOCSTATUS_CONFIG_CANT_COMMIT:    /* 0x0025 */
 | 
						|
		/* No message for Config IOCStatus values */
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: /* 0x0040 */
 | 
						|
		/* No message for recovered error
 | 
						|
		desc = "SCSI Recovered Error";
 | 
						|
		*/
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_INVALID_BUS: /* 0x0041 */
 | 
						|
		desc = "SCSI Invalid Bus";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: /* 0x0042 */
 | 
						|
		desc = "SCSI Invalid TargetID";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: /* 0x0043 */
 | 
						|
	  {
 | 
						|
		SCSIIORequest_t *pScsiReq = (SCSIIORequest_t *) mf;
 | 
						|
		U8 cdb = pScsiReq->CDB[0];
 | 
						|
		if (cdb != 0x12) { /* Inquiry is issued for device scanning */
 | 
						|
			desc = "SCSI Device Not There";
 | 
						|
		}
 | 
						|
		break;
 | 
						|
	  }
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: /* 0x0044 */
 | 
						|
		desc = "SCSI Data Overrun";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* 0x0045 */
 | 
						|
		/* This error is checked in scsi_io_done(). Skip. 
 | 
						|
		desc = "SCSI Data Underrun";
 | 
						|
		*/
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR: /* 0x0046 */
 | 
						|
		desc = "SCSI I/O Data Error";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_PROTOCOL_ERROR: /* 0x0047 */
 | 
						|
		desc = "SCSI Protocol Error";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: /* 0x0048 */
 | 
						|
		desc = "SCSI Task Terminated";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: /* 0x0049 */
 | 
						|
		desc = "SCSI Residual Mismatch";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* 0x004A */
 | 
						|
		desc = "SCSI Task Management Failed";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* 0x004B */
 | 
						|
		desc = "SCSI IOC Terminated";
 | 
						|
		break;
 | 
						|
 | 
						|
	case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* 0x004C */
 | 
						|
		desc = "SCSI Ext Terminated";
 | 
						|
		break;
 | 
						|
 | 
						|
	default:
 | 
						|
		desc = "Others";
 | 
						|
		break;
 | 
						|
	}
 | 
						|
	if (desc != "")
 | 
						|
		printk(MYIOC_s_INFO_FMT "IOCStatus(0x%04x): %s\n", ioc->name, status, desc);
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
EXPORT_SYMBOL(mpt_attach);
 | 
						|
EXPORT_SYMBOL(mpt_detach);
 | 
						|
#ifdef CONFIG_PM
 | 
						|
EXPORT_SYMBOL(mpt_resume);
 | 
						|
EXPORT_SYMBOL(mpt_suspend);
 | 
						|
#endif
 | 
						|
EXPORT_SYMBOL(ioc_list);
 | 
						|
EXPORT_SYMBOL(mpt_proc_root_dir);
 | 
						|
EXPORT_SYMBOL(mpt_register);
 | 
						|
EXPORT_SYMBOL(mpt_deregister);
 | 
						|
EXPORT_SYMBOL(mpt_event_register);
 | 
						|
EXPORT_SYMBOL(mpt_event_deregister);
 | 
						|
EXPORT_SYMBOL(mpt_reset_register);
 | 
						|
EXPORT_SYMBOL(mpt_reset_deregister);
 | 
						|
EXPORT_SYMBOL(mpt_device_driver_register);
 | 
						|
EXPORT_SYMBOL(mpt_device_driver_deregister);
 | 
						|
EXPORT_SYMBOL(mpt_get_msg_frame);
 | 
						|
EXPORT_SYMBOL(mpt_put_msg_frame);
 | 
						|
EXPORT_SYMBOL(mpt_free_msg_frame);
 | 
						|
EXPORT_SYMBOL(mpt_add_sge);
 | 
						|
EXPORT_SYMBOL(mpt_send_handshake_request);
 | 
						|
EXPORT_SYMBOL(mpt_verify_adapter);
 | 
						|
EXPORT_SYMBOL(mpt_GetIocState);
 | 
						|
EXPORT_SYMBOL(mpt_print_ioc_summary);
 | 
						|
EXPORT_SYMBOL(mpt_lan_index);
 | 
						|
EXPORT_SYMBOL(mpt_stm_index);
 | 
						|
EXPORT_SYMBOL(mpt_HardResetHandler);
 | 
						|
EXPORT_SYMBOL(mpt_config);
 | 
						|
EXPORT_SYMBOL(mpt_toolbox);
 | 
						|
EXPORT_SYMBOL(mpt_findImVolumes);
 | 
						|
EXPORT_SYMBOL(mpt_read_ioc_pg_3);
 | 
						|
EXPORT_SYMBOL(mpt_alloc_fw_memory);
 | 
						|
EXPORT_SYMBOL(mpt_free_fw_memory);
 | 
						|
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	fusion_init - Fusion MPT base driver initialization routine.
 | 
						|
 *
 | 
						|
 *	Returns 0 for success, non-zero for failure.
 | 
						|
 */
 | 
						|
static int __init
 | 
						|
fusion_init(void)
 | 
						|
{
 | 
						|
	int i;
 | 
						|
 | 
						|
	show_mptmod_ver(my_NAME, my_VERSION);
 | 
						|
	printk(KERN_INFO COPYRIGHT "\n");
 | 
						|
 | 
						|
	for (i = 0; i < MPT_MAX_PROTOCOL_DRIVERS; i++) {
 | 
						|
		MptCallbacks[i] = NULL;
 | 
						|
		MptDriverClass[i] = MPTUNKNOWN_DRIVER;
 | 
						|
		MptEvHandlers[i] = NULL;
 | 
						|
		MptResetHandlers[i] = NULL;
 | 
						|
	}
 | 
						|
 | 
						|
	/*  Register ourselves (mptbase) in order to facilitate
 | 
						|
	 *  EventNotification handling.
 | 
						|
	 */
 | 
						|
	mpt_base_index = mpt_register(mpt_base_reply, MPTBASE_DRIVER);
 | 
						|
 | 
						|
	/* Register for hard reset handling callbacks.
 | 
						|
	 */
 | 
						|
	if (mpt_reset_register(mpt_base_index, mpt_ioc_reset) == 0) {
 | 
						|
		dprintk((KERN_INFO MYNAM ": Register for IOC reset notification\n"));
 | 
						|
	} else {
 | 
						|
		/* FIXME! */
 | 
						|
	}
 | 
						|
 | 
						|
#ifdef CONFIG_PROC_FS
 | 
						|
	(void) procmpt_create();
 | 
						|
#endif
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 | 
						|
/*
 | 
						|
 *	fusion_exit - Perform driver unload cleanup.
 | 
						|
 *
 | 
						|
 *	This routine frees all resources associated with each MPT adapter
 | 
						|
 *	and removes all %MPT_PROCFS_MPTBASEDIR entries.
 | 
						|
 */
 | 
						|
static void __exit
 | 
						|
fusion_exit(void)
 | 
						|
{
 | 
						|
 | 
						|
	dexitprintk((KERN_INFO MYNAM ": fusion_exit() called!\n"));
 | 
						|
 | 
						|
	mpt_reset_deregister(mpt_base_index);
 | 
						|
 | 
						|
#ifdef CONFIG_PROC_FS
 | 
						|
	procmpt_destroy();
 | 
						|
#endif
 | 
						|
}
 | 
						|
 | 
						|
module_init(fusion_init);
 | 
						|
module_exit(fusion_exit);
 |