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| author | Dean Nelson <dcn@sgi.com> | 2007-07-11 10:22:16 -0500 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2007-07-11 11:34:21 -0700 |
| commit | 9e121327b37b751ef66e6f57e2d02dd568955148 (patch) | |
| tree | 5322e12a6baf3dc206a01912adee87e856d4e5b5 | |
| parent | c6255e9865a07d5313d6162482792f7bec9160db (diff) | |
| download | linux-9e121327b37b751ef66e6f57e2d02dd568955148.tar.gz linux-9e121327b37b751ef66e6f57e2d02dd568955148.tar.bz2 linux-9e121327b37b751ef66e6f57e2d02dd568955148.zip | |
[IA64] add sn_register_pmi_handler oemcall
Add wrapper function to make SN_SAL_REGISTER_PMI_HANDLER ia64_sal_oemcall.
Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
| -rw-r--r-- | include/asm-ia64/sn/sn_sal.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h index d3566a298fa4..676b31a08c61 100644 --- a/include/asm-ia64/sn/sn_sal.h +++ b/include/asm-ia64/sn/sn_sal.h @@ -32,6 +32,7 @@ #define SN_SAL_NO_FAULT_ZONE_VIRTUAL 0x02000010 #define SN_SAL_NO_FAULT_ZONE_PHYSICAL 0x02000011 #define SN_SAL_PRINT_ERROR 0x02000012 +#define SN_SAL_REGISTER_PMI_HANDLER 0x02000014 #define SN_SAL_SET_ERROR_HANDLING_FEATURES 0x0200001a // reentrant #define SN_SAL_GET_FIT_COMPT 0x0200001b // reentrant #define SN_SAL_GET_SAPIC_INFO 0x0200001d @@ -680,6 +681,25 @@ sn_register_nofault_code(u64 start_addr, u64 end_addr, u64 return_addr, } /* + * Register or unregister a function to handle a PMI received by a CPU. + * Before calling the registered handler, SAL sets r1 to the value that + * was passed in as the global_pointer. + * + * If the handler pointer is NULL, then the currently registered handler + * will be unregistered. + * + * Returns 0 on success, or a negative value if an error occurred. + */ +static inline int +sn_register_pmi_handler(u64 handler, u64 global_pointer) +{ + struct ia64_sal_retval ret_stuff; + ia64_sal_oemcall(&ret_stuff, SN_SAL_REGISTER_PMI_HANDLER, handler, + global_pointer, 0, 0, 0, 0, 0); + return ret_stuff.status; +} + +/* * Change or query the coherence domain for this partition. Each cpu-based * nasid is represented by a bit in an array of 64-bit words: * 0 = not in this partition's coherency domain |