diff options
| author | Rosen Penev <rosenp@gmail.com> | 2026-09-27 13:35:01 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-10-01 11:04:53 +0200 |
| commit | 8167c1f071426706c233e93ecfd13aba7d5c06c8 (patch) | |
| tree | 2c0cd5f5e1cc35eadee98d49fe034f96a88856ce /include/acpi/ghes.h | |
| download | linux-stable-8167c1f071426706c233e93ecfd13aba7d5c06c8.tar.gz linux-stable-8167c1f071426706c233e93ecfd13aba7d5c06c8.zip | |
tty: serial: mpc52xx_uart: move static declarations up.grafted
Avoid a compilation error so that they're not used before being
declared.
Fixes: 4d105880666a ("tty: serial: mpc52xx_uart: add bounds check for psc_num array index")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202609260356.tJWbd1WU-lkp@intel.com/
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://patch.msgid.link/20260927203501.14105-1-rosenp@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/acpi/ghes.h')
| -rw-r--r-- | include/acpi/ghes.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h new file mode 100644 index 000000000..8d7e5caef --- /dev/null +++ b/include/acpi/ghes.h @@ -0,0 +1,146 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef GHES_H +#define GHES_H + +#include <acpi/apei.h> +#include <acpi/hed.h> + +/* + * One struct ghes is created for each generic hardware error source. + * It provides the context for APEI hardware error timer/IRQ/SCI/NMI + * handler. + * + * estatus: memory buffer for error status block, allocated during + * HEST parsing. + */ +#define GHES_EXITING 0x0002 + +struct ghes { + union { + struct acpi_hest_generic *generic; + struct acpi_hest_generic_v2 *generic_v2; + }; + struct acpi_hest_generic_status *estatus; + unsigned int estatus_length; + unsigned long flags; + union { + struct list_head list; + struct timer_list timer; + unsigned int irq; + }; + struct device *dev; + struct list_head elist; + void __iomem *error_status_vaddr; +}; + +struct ghes_estatus_node { + struct llist_node llnode; + struct acpi_hest_generic *generic; + struct ghes *ghes; +}; + +struct ghes_estatus_cache { + u32 estatus_len; + atomic_t count; + struct acpi_hest_generic *generic; + unsigned long long time_in; + struct rcu_head rcu; +}; + +enum { + GHES_SEV_NO = 0x0, + GHES_SEV_CORRECTED = 0x1, + GHES_SEV_RECOVERABLE = 0x2, + GHES_SEV_PANIC = 0x3, +}; + +#ifdef CONFIG_ACPI_APEI_GHES +/** + * ghes_register_vendor_record_notifier - register a notifier for vendor + * records that the kernel would otherwise ignore. + * @nb: pointer to the notifier_block structure of the event handler. + * + * return 0 : SUCCESS, non-zero : FAIL + */ +int ghes_register_vendor_record_notifier(struct notifier_block *nb); + +/** + * ghes_unregister_vendor_record_notifier - unregister the previously + * registered vendor record notifier. + * @nb: pointer to the notifier_block structure of the vendor record handler. + */ +void ghes_unregister_vendor_record_notifier(struct notifier_block *nb); + +/** + * devm_ghes_register_vendor_record_notifier - device-managed vendor + * record notifier registration. + * @dev: device that owns the notifier lifetime + * @nb: pointer to the notifier_block structure of the vendor record handler + * + * Return: 0 on success, negative errno on failure. + */ +int devm_ghes_register_vendor_record_notifier(struct device *dev, + struct notifier_block *nb); + +struct list_head *ghes_get_devices(void); + +void ghes_estatus_pool_region_free(unsigned long addr, u32 size); +#else +static inline struct list_head *ghes_get_devices(void) { return NULL; } + +static inline void ghes_estatus_pool_region_free(unsigned long addr, u32 size) { return; } +#endif + +int ghes_estatus_pool_init(unsigned int num_ghes); + +static inline int acpi_hest_get_version(struct acpi_hest_generic_data *gdata) +{ + return gdata->revision >> 8; +} + +static inline void *acpi_hest_get_payload(struct acpi_hest_generic_data *gdata) +{ + if (acpi_hest_get_version(gdata) >= 3) + return (void *)(((struct acpi_hest_generic_data_v300 *)(gdata)) + 1); + + return gdata + 1; +} + +static inline int acpi_hest_get_error_length(struct acpi_hest_generic_data *gdata) +{ + return ((struct acpi_hest_generic_data *)(gdata))->error_data_length; +} + +static inline int acpi_hest_get_size(struct acpi_hest_generic_data *gdata) +{ + if (acpi_hest_get_version(gdata) >= 3) + return sizeof(struct acpi_hest_generic_data_v300); + + return sizeof(struct acpi_hest_generic_data); +} + +static inline int acpi_hest_get_record_size(struct acpi_hest_generic_data *gdata) +{ + return (acpi_hest_get_size(gdata) + acpi_hest_get_error_length(gdata)); +} + +static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata) +{ + return (void *)(gdata) + acpi_hest_get_record_size(gdata); +} + +#define apei_estatus_for_each_section(estatus, section) \ + for (section = (struct acpi_hest_generic_data *)(estatus + 1); \ + (void *)section - (void *)(estatus + 1) < estatus->data_length; \ + section = acpi_hest_get_next(section)) + +#ifdef CONFIG_ACPI_APEI_SEA +int ghes_notify_sea(void); +#else +static inline int ghes_notify_sea(void) { return -ENOENT; } +#endif + +struct notifier_block; +extern void ghes_register_report_chain(struct notifier_block *nb); +extern void ghes_unregister_report_chain(struct notifier_block *nb); +#endif /* GHES_H */ |
