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-rw-r--r--arch/powerpc/include/asm/emulated_ops.h1
-rw-r--r--arch/powerpc/include/asm/opal.h19
-rw-r--r--arch/powerpc/include/asm/rtas.h127
3 files changed, 109 insertions, 38 deletions
diff --git a/arch/powerpc/include/asm/emulated_ops.h b/arch/powerpc/include/asm/emulated_ops.h
index 4358e3002f3..f00e10e2a33 100644
--- a/arch/powerpc/include/asm/emulated_ops.h
+++ b/arch/powerpc/include/asm/emulated_ops.h
@@ -54,6 +54,7 @@ extern struct ppc_emulated {
#ifdef CONFIG_PPC64
struct ppc_emulated_entry mfdscr;
struct ppc_emulated_entry mtdscr;
+ struct ppc_emulated_entry lq_stq;
#endif
} ppc_emulated;
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index fe2aa0b48d2..a2efdaa020b 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -87,6 +87,7 @@ extern int opal_enter_rtas(struct rtas_args *args,
#define OPAL_ASYNC_COMPLETION -15
/* API Tokens (in r0) */
+#define OPAL_INVALID_CALL -1
#define OPAL_CONSOLE_WRITE 1
#define OPAL_CONSOLE_READ 2
#define OPAL_RTC_READ 3
@@ -177,6 +178,8 @@ extern int opal_enter_rtas(struct rtas_args *args,
#ifndef __ASSEMBLY__
+#include <linux/notifier.h>
+
/* Other enums */
enum OpalVendorApiTokens {
OPAL_START_VENDOR_API_RANGE = 1000, OPAL_END_VENDOR_API_RANGE = 1999
@@ -422,9 +425,9 @@ enum OpalSysparamPerm {
};
struct opal_msg {
- uint32_t msg_type;
- uint32_t reserved;
- uint64_t params[8];
+ __be32 msg_type;
+ __be32 reserved;
+ __be64 params[8];
};
struct opal_machine_check_event {
@@ -730,7 +733,11 @@ typedef struct oppanel_line {
/* /sys/firmware/opal */
extern struct kobject *opal_kobj;
+/* /ibm,opal */
+extern struct device_node *opal_node;
+
/* API functions */
+int64_t opal_invalid_call(void);
int64_t opal_console_write(int64_t term_number, __be64 *length,
const uint8_t *buffer);
int64_t opal_console_read(int64_t term_number, __be64 *length,
@@ -874,8 +881,7 @@ int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer,
size_t length);
int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer,
size_t length);
-int64_t opal_sensor_read(uint32_t sensor_hndl, int token,
- uint32_t *sensor_data);
+int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data);
/* Internal functions */
extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data);
@@ -892,6 +898,8 @@ extern int early_init_dt_scan_opal(unsigned long node, const char *uname,
int depth, void *data);
extern int opal_notifier_register(struct notifier_block *nb);
+extern int opal_notifier_unregister(struct notifier_block *nb);
+
extern int opal_message_notifier_register(enum OpalMessageType msg_type,
struct notifier_block *nb);
extern void opal_notifier_enable(void);
@@ -919,6 +927,7 @@ extern void opal_flash_init(void);
extern int opal_elog_init(void);
extern void opal_platform_dump_init(void);
extern void opal_sys_param_init(void);
+extern void opal_msglog_init(void);
extern int opal_machine_check(struct pt_regs *regs);
extern bool opal_mce_check_early_recovery(struct pt_regs *regs);
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index a0e1add01ef..b390f55b0df 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -150,19 +150,53 @@ struct rtas_suspend_me_data {
#define RTAS_VECTOR_EXTERNAL_INTERRUPT 0x500
struct rtas_error_log {
- unsigned long version:8; /* Architectural version */
- unsigned long severity:3; /* Severity level of error */
- unsigned long disposition:2; /* Degree of recovery */
- unsigned long extended:1; /* extended log present? */
- unsigned long /* reserved */ :2; /* Reserved for future use */
- unsigned long initiator:4; /* Initiator of event */
- unsigned long target:4; /* Target of failed operation */
- unsigned long type:8; /* General event or error*/
- unsigned long extended_log_length:32; /* length in bytes */
- unsigned char buffer[1]; /* Start of extended log */
+ /* Byte 0 */
+ uint8_t byte0; /* Architectural version */
+
+ /* Byte 1 */
+ uint8_t byte1;
+ /* XXXXXXXX
+ * XXX 3: Severity level of error
+ * XX 2: Degree of recovery
+ * X 1: Extended log present?
+ * XX 2: Reserved
+ */
+
+ /* Byte 2 */
+ uint8_t byte2;
+ /* XXXXXXXX
+ * XXXX 4: Initiator of event
+ * XXXX 4: Target of failed operation
+ */
+ uint8_t byte3; /* General event or error*/
+ __be32 extended_log_length; /* length in bytes */
+ unsigned char buffer[1]; /* Start of extended log */
/* Variable length. */
};
+static inline uint8_t rtas_error_severity(const struct rtas_error_log *elog)
+{
+ return (elog->byte1 & 0xE0) >> 5;
+}
+
+static inline uint8_t rtas_error_disposition(const struct rtas_error_log *elog)
+{
+ return (elog->byte1 & 0x18) >> 3;
+}
+
+static inline uint8_t rtas_error_extended(const struct rtas_error_log *elog)
+{
+ return (elog->byte1 & 0x04) >> 2;
+}
+
+#define rtas_error_type(x) ((x)->byte3)
+
+static inline
+uint32_t rtas_error_extended_log_length(const struct rtas_error_log *elog)
+{
+ return be32_to_cpu(elog->extended_log_length);
+}
+
#define RTAS_V6EXT_LOG_FORMAT_EVENT_LOG 14
#define RTAS_V6EXT_COMPANY_ID_IBM (('I' << 24) | ('B' << 16) | ('M' << 8))
@@ -172,32 +206,35 @@ struct rtas_error_log {
*/
struct rtas_ext_event_log_v6 {
/* Byte 0 */
- uint32_t log_valid:1; /* 1:Log valid */
- uint32_t unrecoverable_error:1; /* 1:Unrecoverable error */
- uint32_t recoverable_error:1; /* 1:recoverable (correctable */
- /* or successfully retried) */
- uint32_t degraded_operation:1; /* 1:Unrecoverable err, bypassed*/
- /* - degraded operation (e.g. */
- /* CPU or mem taken off-line) */
- uint32_t predictive_error:1;
- uint32_t new_log:1; /* 1:"New" log (Always 1 for */
- /* data returned from RTAS */
- uint32_t big_endian:1; /* 1: Big endian */
- uint32_t :1; /* reserved */
+ uint8_t byte0;
+ /* XXXXXXXX
+ * X 1: Log valid
+ * X 1: Unrecoverable error
+ * X 1: Recoverable (correctable or successfully retried)
+ * X 1: Bypassed unrecoverable error (degraded operation)
+ * X 1: Predictive error
+ * X 1: "New" log (always 1 for data returned from RTAS)
+ * X 1: Big Endian
+ * X 1: Reserved
+ */
+
/* Byte 1 */
- uint32_t :8; /* reserved */
+ uint8_t byte1; /* reserved */
+
/* Byte 2 */
- uint32_t powerpc_format:1; /* Set to 1 (indicating log is */
- /* in PowerPC format */
- uint32_t :3; /* reserved */
- uint32_t log_format:4; /* Log format indicator. Define */
- /* format used for byte 12-2047 */
+ uint8_t byte2;
+ /* XXXXXXXX
+ * X 1: Set to 1 (indicating log is in PowerPC format)
+ * XXX 3: Reserved
+ * XXXX 4: Log format used for bytes 12-2047
+ */
+
/* Byte 3 */
- uint32_t :8; /* reserved */
+ uint8_t byte3; /* reserved */
/* Byte 4-11 */
uint8_t reserved[8]; /* reserved */
/* Byte 12-15 */
- uint32_t company_id; /* Company ID of the company */
+ __be32 company_id; /* Company ID of the company */
/* that defines the format for */
/* the vendor specific log type */
/* Byte 16-end of log */
@@ -205,6 +242,18 @@ struct rtas_ext_event_log_v6 {
/* Variable length. */
};
+static
+inline uint8_t rtas_ext_event_log_format(struct rtas_ext_event_log_v6 *ext_log)
+{
+ return ext_log->byte2 & 0x0F;
+}
+
+static
+inline uint32_t rtas_ext_event_company_id(struct rtas_ext_event_log_v6 *ext_log)
+{
+ return be32_to_cpu(ext_log->company_id);
+}
+
/* pSeries event log format */
/* Two bytes ASCII section IDs */
@@ -227,14 +276,26 @@ struct rtas_ext_event_log_v6 {
/* Vendor specific Platform Event Log Format, Version 6, section header */
struct pseries_errorlog {
- uint16_t id; /* 0x00 2-byte ASCII section ID */
- uint16_t length; /* 0x02 Section length in bytes */
+ __be16 id; /* 0x00 2-byte ASCII section ID */
+ __be16 length; /* 0x02 Section length in bytes */
uint8_t version; /* 0x04 Section version */
uint8_t subtype; /* 0x05 Section subtype */
- uint16_t creator_component; /* 0x06 Creator component ID */
+ __be16 creator_component; /* 0x06 Creator component ID */
uint8_t data[]; /* 0x08 Start of section data */
};
+static
+inline uint16_t pseries_errorlog_id(struct pseries_errorlog *sect)
+{
+ return be16_to_cpu(sect->id);
+}
+
+static
+inline uint16_t pseries_errorlog_length(struct pseries_errorlog *sect)
+{
+ return be16_to_cpu(sect->length);
+}
+
struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log,
uint16_t section_id);