diff options
Diffstat (limited to 'include/asm-ia64/sn/sn_sal.h')
| -rw-r--r-- | include/asm-ia64/sn/sn_sal.h | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h index 291e8ceed6e..676b31a08c6 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 @@ -696,8 +716,8 @@ static inline int sn_change_coherence(u64 *new_domain, u64 *old_domain) { struct ia64_sal_retval ret_stuff; - ia64_sal_oemcall(&ret_stuff, SN_SAL_COHERENCE, (u64)new_domain, - (u64)old_domain, 0, 0, 0, 0, 0); + ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_COHERENCE, (u64)new_domain, + (u64)old_domain, 0, 0, 0, 0, 0); return ret_stuff.status; } |