diff options
| author | Neelesh Gupta <neelegup@linux.vnet.ibm.com> | 2014-03-07 11:02:09 +0530 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-03-24 09:47:30 +1100 |
| commit | 4029cd66545f0a45258eda5313b7559bfeaaaae4 (patch) | |
| tree | 7321ddcf2e505be6ceb893b4285e0c19da934376 /arch/powerpc/include/asm | |
| parent | 8d724823220862ce289be3b50119235e03537597 (diff) | |
powerpc/powernv: Enable reading and updating of system parameters
This patch enables reading and updating of system parameters through
OPAL call.
Signed-off-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm')
| -rw-r--r-- | arch/powerpc/include/asm/opal.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 1e186ff55f3e..d239223279aa 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -167,8 +167,10 @@ extern int opal_enter_rtas(struct rtas_args *args, #define OPAL_DUMP_ACK 84 #define OPAL_GET_MSG 85 #define OPAL_CHECK_ASYNC_COMPLETION 86 -#define OPAL_DUMP_RESEND 91 #define OPAL_SYNC_HOST_REBOOT 87 +#define OPAL_GET_PARAM 89 +#define OPAL_SET_PARAM 90 +#define OPAL_DUMP_RESEND 91 #define OPAL_DUMP_INFO2 94 #ifndef __ASSEMBLY__ @@ -410,6 +412,13 @@ enum OpalLPCAddressType { OPAL_LPC_FW = 2, }; +/* System parameter permission */ +enum OpalSysparamPerm { + OPAL_SYSPARAM_READ = 0x1, + OPAL_SYSPARAM_WRITE = 0x2, + OPAL_SYSPARAM_RW = (OPAL_SYSPARAM_READ | OPAL_SYSPARAM_WRITE), +}; + struct opal_msg { uint32_t msg_type; uint32_t reserved; @@ -859,6 +868,10 @@ int64_t opal_dump_resend_notification(void); int64_t opal_get_msg(uint64_t buffer, size_t size); int64_t opal_check_completion(uint64_t buffer, size_t size, uint64_t token); int64_t opal_sync_host_reboot(void); +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); /* Internal functions */ extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data); @@ -900,6 +913,7 @@ extern void opal_nvram_init(void); 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 int opal_machine_check(struct pt_regs *regs); extern bool opal_mce_check_early_recovery(struct pt_regs *regs); |