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7adcadb984
drop this forced built-in only configuration by disentangling it from GHES. Work by Jia He. - The usual small cleanups and improvements all over EDAC land -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEzv7L6UO9uDPlPSfHEsHwGGHeVUoFAmOXPvoACgkQEsHwGGHe VUq98xAAmhz4u9e9pXG0Ixkx25ZtnZ+YxANeQ53Hsa2gWicbcoFgL2E30gi97c1y X9W361B2Q5dYq+J/YRUnEOXlI/KMWLxzNykSvVipUFNfxXZH+PijEAArz2V35/uE 6ZISRLUYVYEtHEoUXbTogeyBmBUnIaJfYheZCluDQlWPggsDESP1qmE+FTg25OBs rDl5y+zUZYPxrWustNodVThPyhdMwGyYAUS6qYKCoNs9SNkAjGnrXoPc9j/U+cV+ qMY2dNS3uKnCujKEssQhcHucyWgCEDvmEKWMH4ItryV2UBBjpNRoM6HDe7XFKwVJ riOKX8VDrpdSdlV1jbCx9KB47BUwFygOYsFdW7gIDJ1hb8usN4nSYQNDIlZKEIQG cHNpv2XGT+pCSvyc4Iv2Fgyvnp25XensSQwQAtk5Y4/lJL1yrgcPjMOkPmRS+mmH BclDWNbL+gwqkyWxgfoivDBOetLgwJYTr2ewBr6QbBtwLB8rL4BxXIdomcoFPuxi jAxixZnTbS+Xq5S7uYK4r6KbaHGcJtwolXMGjx13IHmPfvYtTTQzfRcrBlAtQ/pV BDLoygmDVlkhSVx6bi5V5QZ06rcWYR4cRsBQ54FnBGMr730ZljgFONOHFtUab28T C+YUOaeLEYEYI0cIkkyoSuiz6avB6YvQAiyEPM0EdHZrQFwhBBw= =DFp8 -----END PGP SIGNATURE----- Merge tag 'edac_updates_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras Pull EDAC updates from Borislav Petkov: - Make ghes_edac a simple module like the rest of the EDAC drivers and drop the forced built-in only configuration by disentangling it from GHES (Jia He) - The usual small cleanups and improvements all over EDAC land * tag 'edac_updates_for_6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras: EDAC/i10nm: fix refcount leak in pci_get_dev_wrapper() EDAC/i5400: Fix typo in comment: vaious -> various EDAC/mc_sysfs: Increase legacy channel support to 12 MAINTAINERS: Make Mauro EDAC reviewer MAINTAINERS: Make Manivannan Sadhasivam the maintainer of qcom_edac EDAC/igen6: Return the correct error type when not the MC owner apei/ghes: Use xchg_release() for updating new cache slot instead of cmpxchg() EDAC: Check for GHES preference in the chipset-specific EDAC drivers EDAC/ghes: Make ghes_edac a proper module EDAC/ghes: Prepare to make ghes_edac a proper module EDAC/ghes: Add a notifier for reporting memory errors efi/cper: Export several helpers for ghes_edac to use EDAC/i5000: Mark as BROKEN
132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef GHES_H
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#define GHES_H
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#include <acpi/apei.h>
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#include <acpi/hed.h>
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/*
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* One struct ghes is created for each generic hardware error source.
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* It provides the context for APEI hardware error timer/IRQ/SCI/NMI
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* handler.
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*
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* estatus: memory buffer for error status block, allocated during
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* HEST parsing.
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*/
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#define GHES_EXITING 0x0002
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struct ghes {
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union {
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struct acpi_hest_generic *generic;
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struct acpi_hest_generic_v2 *generic_v2;
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};
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struct acpi_hest_generic_status *estatus;
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unsigned long flags;
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union {
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struct list_head list;
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struct timer_list timer;
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unsigned int irq;
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};
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struct device *dev;
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struct list_head elist;
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};
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struct ghes_estatus_node {
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struct llist_node llnode;
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struct acpi_hest_generic *generic;
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struct ghes *ghes;
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int task_work_cpu;
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struct callback_head task_work;
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};
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struct ghes_estatus_cache {
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u32 estatus_len;
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atomic_t count;
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struct acpi_hest_generic *generic;
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unsigned long long time_in;
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struct rcu_head rcu;
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};
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enum {
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GHES_SEV_NO = 0x0,
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GHES_SEV_CORRECTED = 0x1,
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GHES_SEV_RECOVERABLE = 0x2,
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GHES_SEV_PANIC = 0x3,
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};
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#ifdef CONFIG_ACPI_APEI_GHES
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/**
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* ghes_register_vendor_record_notifier - register a notifier for vendor
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* records that the kernel would otherwise ignore.
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* @nb: pointer to the notifier_block structure of the event handler.
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*
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* return 0 : SUCCESS, non-zero : FAIL
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*/
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int ghes_register_vendor_record_notifier(struct notifier_block *nb);
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/**
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* ghes_unregister_vendor_record_notifier - unregister the previously
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* registered vendor record notifier.
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* @nb: pointer to the notifier_block structure of the vendor record handler.
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*/
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void ghes_unregister_vendor_record_notifier(struct notifier_block *nb);
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struct list_head *ghes_get_devices(void);
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#else
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static inline struct list_head *ghes_get_devices(void) { return NULL; }
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#endif
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int ghes_estatus_pool_init(unsigned int num_ghes);
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static inline int acpi_hest_get_version(struct acpi_hest_generic_data *gdata)
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{
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return gdata->revision >> 8;
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}
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static inline void *acpi_hest_get_payload(struct acpi_hest_generic_data *gdata)
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{
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if (acpi_hest_get_version(gdata) >= 3)
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return (void *)(((struct acpi_hest_generic_data_v300 *)(gdata)) + 1);
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return gdata + 1;
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}
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static inline int acpi_hest_get_error_length(struct acpi_hest_generic_data *gdata)
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{
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return ((struct acpi_hest_generic_data *)(gdata))->error_data_length;
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}
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static inline int acpi_hest_get_size(struct acpi_hest_generic_data *gdata)
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{
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if (acpi_hest_get_version(gdata) >= 3)
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return sizeof(struct acpi_hest_generic_data_v300);
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return sizeof(struct acpi_hest_generic_data);
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}
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static inline int acpi_hest_get_record_size(struct acpi_hest_generic_data *gdata)
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{
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return (acpi_hest_get_size(gdata) + acpi_hest_get_error_length(gdata));
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}
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static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata)
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{
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return (void *)(gdata) + acpi_hest_get_record_size(gdata);
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}
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#define apei_estatus_for_each_section(estatus, section) \
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for (section = (struct acpi_hest_generic_data *)(estatus + 1); \
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(void *)section - (void *)(estatus + 1) < estatus->data_length; \
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section = acpi_hest_get_next(section))
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#ifdef CONFIG_ACPI_APEI_SEA
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int ghes_notify_sea(void);
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#else
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static inline int ghes_notify_sea(void) { return -ENOENT; }
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#endif
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struct notifier_block;
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extern void ghes_register_report_chain(struct notifier_block *nb);
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extern void ghes_unregister_report_chain(struct notifier_block *nb);
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#endif /* GHES_H */
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