powerpc/powernv: Read OPAL error log and export it through sysfs

[firefly-linux-kernel-4.4.55.git] / arch / powerpc / include / asm / opal.h

diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index ad67c40c1a217955c249403678e5f73eb6fe4722..933adde1bdea13f544e836d9f0e644c2112b9ffa 100644 (file)
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -151,6 +151,11 @@ extern int opal_enter_rtas(struct rtas_args *args,
 #define OPAL_LPC_READ                          67
 #define OPAL_LPC_WRITE                         68
 #define OPAL_RETURN_CPU                                69
+#define OPAL_ELOG_READ                         71
+#define OPAL_ELOG_WRITE                                72
+#define OPAL_ELOG_ACK                          73
+#define OPAL_ELOG_RESEND                       74
+#define OPAL_ELOG_SIZE                         75
 #define OPAL_FLASH_VALIDATE                    76
 #define OPAL_FLASH_MANAGE                      77
 #define OPAL_FLASH_UPDATE                      78
@@ -823,6 +828,13 @@ int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type,
                       uint32_t addr, uint32_t data, uint32_t sz);
 int64_t opal_lpc_read(uint32_t chip_id, enum OpalLPCAddressType addr_type,
                      uint32_t addr, __be32 *data, uint32_t sz);
+
+int64_t opal_read_elog(uint64_t buffer, size_t size, uint64_t log_id);
+int64_t opal_get_elog_size(uint64_t *log_id, size_t *size, uint64_t *elog_type);
+int64_t opal_write_elog(uint64_t buffer, uint64_t size, uint64_t offset);
+int64_t opal_send_ack_elog(uint64_t log_id);
+void opal_resend_pending_logs(void);
+
 int64_t opal_validate_flash(uint64_t buffer, uint32_t *size, uint32_t *result);
 int64_t opal_manage_flash(uint8_t op);
 int64_t opal_update_flash(uint64_t blk_list);
@@ -863,6 +875,7 @@ extern void opal_get_rtc_time(struct rtc_time *tm);
 extern unsigned long opal_get_boot_time(void);
 extern void opal_nvram_init(void);
 extern void opal_flash_init(void);
+extern int opal_elog_init(void);
 
 extern int opal_machine_check(struct pt_regs *regs);
 extern bool opal_mce_check_early_recovery(struct pt_regs *regs);