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Diffstat (limited to 'arch/powerpc/include/asm/rtas.h')
-rw-r--r--arch/powerpc/include/asm/rtas.h148
1 files changed, 109 insertions, 39 deletions
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index aef00c67590..b390f55b0df 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -44,12 +44,12 @@
*
*/
-typedef u32 rtas_arg_t;
+typedef __be32 rtas_arg_t;
struct rtas_args {
- u32 token;
- u32 nargs;
- u32 nret;
+ __be32 token;
+ __be32 nargs;
+ __be32 nret;
rtas_arg_t args[16];
rtas_arg_t *rets; /* Pointer to return values in args[]. */
};
@@ -143,24 +143,60 @@ struct rtas_suspend_me_data {
#define RTAS_TYPE_PMGM_TIME_ALARM 0x6f
#define RTAS_TYPE_PMGM_CONFIG_CHANGE 0x70
#define RTAS_TYPE_PMGM_SERVICE_PROC 0x71
+/* Platform Resource Reassignment Notification */
+#define RTAS_TYPE_PRRN 0xA0
/* RTAS check-exception vector offset */
#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))
@@ -170,32 +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 */
@@ -203,6 +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 */
@@ -225,14 +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);
@@ -262,6 +325,8 @@ extern void rtas_progress(char *s, unsigned short hex);
extern void rtas_initialize(void);
extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
+extern int rtas_online_cpus_mask(cpumask_var_t cpus);
+extern int rtas_offline_cpus_mask(cpumask_var_t cpus);
extern int rtas_ibm_suspend_me(struct rtas_args *);
struct rtc_time;
@@ -277,6 +342,11 @@ extern int early_init_dt_scan_rtas(unsigned long node,
extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal);
+#ifdef CONFIG_PPC_PSERIES
+extern int pseries_devicetree_update(s32 scope);
+extern void post_mobility_fixup(void);
+#endif
+
#ifdef CONFIG_PPC_RTAS_DAEMON
extern void rtas_cancel_event_scan(void);
#else
@@ -342,8 +412,8 @@ static inline u32 rtas_config_addr(int busno, int devfn, int reg)
(devfn << 8) | (reg & 0xff);
}
-extern void __cpuinit rtas_give_timebase(void);
-extern void __cpuinit rtas_take_timebase(void);
+extern void rtas_give_timebase(void);
+extern void rtas_take_timebase(void);
#ifdef CONFIG_PPC_RTAS
static inline int page_is_rtas_user_buf(unsigned long pfn)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 12:17:13 +0000