forked from mirrors/linux
663eacd899
Set the actual copyright holder and years in all qed source files. Signed-off-by: Alexander Lobakin <alobakin@marvell.com> Signed-off-by: Igor Russkikh <irusskikh@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
157 lines
3.8 KiB
C
157 lines
3.8 KiB
C
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
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/* QLogic qed NIC Driver
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* Copyright (c) 2015-2017 QLogic Corporation
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* Copyright (c) 2019-2020 Marvell International Ltd.
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*/
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#ifndef __STORAGE_COMMON__
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#define __STORAGE_COMMON__
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/*********************/
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/* SCSI CONSTANTS */
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/*********************/
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#define SCSI_MAX_NUM_OF_CMDQS (NUM_OF_GLOBAL_QUEUES / 2)
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#define BDQ_NUM_RESOURCES (4)
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#define BDQ_ID_RQ (0)
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#define BDQ_ID_IMM_DATA (1)
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#define BDQ_ID_TQ (2)
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#define BDQ_NUM_IDS (3)
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#define SCSI_NUM_SGES_SLOW_SGL_THR 8
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#define BDQ_MAX_EXTERNAL_RING_SIZE BIT(15)
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/* SCSI op codes */
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#define SCSI_OPCODE_COMPARE_AND_WRITE (0x89)
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#define SCSI_OPCODE_READ_10 (0x28)
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#define SCSI_OPCODE_WRITE_6 (0x0A)
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#define SCSI_OPCODE_WRITE_10 (0x2A)
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#define SCSI_OPCODE_WRITE_12 (0xAA)
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#define SCSI_OPCODE_WRITE_16 (0x8A)
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#define SCSI_OPCODE_WRITE_AND_VERIFY_10 (0x2E)
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#define SCSI_OPCODE_WRITE_AND_VERIFY_12 (0xAE)
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#define SCSI_OPCODE_WRITE_AND_VERIFY_16 (0x8E)
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/* iSCSI Drv opaque */
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struct iscsi_drv_opaque {
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__le16 reserved_zero[3];
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__le16 opaque;
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};
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/* Scsi 2B/8B opaque union */
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union scsi_opaque {
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struct regpair fcoe_opaque;
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struct iscsi_drv_opaque iscsi_opaque;
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};
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/* SCSI buffer descriptor */
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struct scsi_bd {
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struct regpair address;
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union scsi_opaque opaque;
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};
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/* Scsi Drv BDQ struct */
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struct scsi_bdq_ram_drv_data {
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__le16 external_producer;
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__le16 reserved0[3];
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};
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/* SCSI SGE entry */
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struct scsi_sge {
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struct regpair sge_addr;
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__le32 sge_len;
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__le32 reserved;
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};
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/* Cached SGEs section */
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struct scsi_cached_sges {
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struct scsi_sge sge[4];
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};
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/* Scsi Drv CMDQ struct */
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struct scsi_drv_cmdq {
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__le16 cmdq_cons;
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__le16 reserved0;
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__le32 reserved1;
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};
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/* Common SCSI init params passed by driver to FW in function init ramrod */
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struct scsi_init_func_params {
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__le16 num_tasks;
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u8 log_page_size;
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u8 log_page_size_conn;
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u8 debug_mode;
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u8 reserved2[11];
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};
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/* SCSI RQ/CQ/CMDQ firmware function init parameters */
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struct scsi_init_func_queues {
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struct regpair glbl_q_params_addr;
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__le16 rq_buffer_size;
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__le16 cq_num_entries;
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__le16 cmdq_num_entries;
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u8 bdq_resource_id;
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u8 q_validity;
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#define SCSI_INIT_FUNC_QUEUES_RQ_VALID_MASK 0x1
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#define SCSI_INIT_FUNC_QUEUES_RQ_VALID_SHIFT 0
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#define SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID_MASK 0x1
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#define SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID_SHIFT 1
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#define SCSI_INIT_FUNC_QUEUES_CMD_VALID_MASK 0x1
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#define SCSI_INIT_FUNC_QUEUES_CMD_VALID_SHIFT 2
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#define SCSI_INIT_FUNC_QUEUES_TQ_VALID_MASK 0x1
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#define SCSI_INIT_FUNC_QUEUES_TQ_VALID_SHIFT 3
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#define SCSI_INIT_FUNC_QUEUES_SOC_EN_MASK 0x1
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#define SCSI_INIT_FUNC_QUEUES_SOC_EN_SHIFT 4
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#define SCSI_INIT_FUNC_QUEUES_SOC_NUM_OF_BLOCKS_LOG_MASK 0x7
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#define SCSI_INIT_FUNC_QUEUES_SOC_NUM_OF_BLOCKS_LOG_SHIFT 5
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__le16 cq_cmdq_sb_num_arr[SCSI_MAX_NUM_OF_CMDQS];
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u8 num_queues;
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u8 queue_relative_offset;
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u8 cq_sb_pi;
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u8 cmdq_sb_pi;
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u8 bdq_pbl_num_entries[BDQ_NUM_IDS];
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u8 reserved1;
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struct regpair bdq_pbl_base_address[BDQ_NUM_IDS];
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__le16 bdq_xoff_threshold[BDQ_NUM_IDS];
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__le16 cmdq_xoff_threshold;
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__le16 bdq_xon_threshold[BDQ_NUM_IDS];
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__le16 cmdq_xon_threshold;
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};
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/* Scsi Drv BDQ Data struct (2 BDQ IDs: 0 - RQ, 1 - Immediate Data) */
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struct scsi_ram_per_bdq_resource_drv_data {
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struct scsi_bdq_ram_drv_data drv_data_per_bdq_id[BDQ_NUM_IDS];
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};
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/* SCSI SGL types */
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enum scsi_sgl_mode {
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SCSI_TX_SLOW_SGL,
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SCSI_FAST_SGL,
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MAX_SCSI_SGL_MODE
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};
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/* SCSI SGL parameters */
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struct scsi_sgl_params {
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struct regpair sgl_addr;
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__le32 sgl_total_length;
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__le32 sge_offset;
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__le16 sgl_num_sges;
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u8 sgl_index;
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u8 reserved;
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};
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/* SCSI terminate connection params */
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struct scsi_terminate_extra_params {
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__le16 unsolicited_cq_count;
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__le16 cmdq_count;
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u8 reserved[4];
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};
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/* SCSI Task Queue Element */
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struct scsi_tqe {
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__le16 itid;
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};
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#endif /* __STORAGE_COMMON__ */
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