diff options
| author | John Keller <jpk@sgi.com> | 2007-08-22 19:32:06 -0500 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2007-09-01 02:49:57 -0700 |
| commit | 6e9de18120988388cdae5097c09e774416d58745 (patch) | |
| tree | 04f7de7bee8d38a4e871970afda136bb5ac853be /include/asm-ia64 | |
| parent | 1aac0b5739ae192ee812eee09625ebfc08c2d760 (diff) | |
| download | op-kernel-dev-6e9de18120988388cdae5097c09e774416d58745.zip op-kernel-dev-6e9de18120988388cdae5097c09e774416d58745.tar.gz | |
[IA64] SN: Add support for CPU disable
Add additional support for CPU disable on SN platforms.
Correctly setup the smp_affinity mask for I/O error IRQs.
Restrict the use of the feature to Altix 4000 and 450 systems
running with a CPU disable capable PROM, and do not allow disabling
of CPU 0.
Signed-off-by: John Keller <jpk@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'include/asm-ia64')
| -rw-r--r-- | include/asm-ia64/sn/arch.h | 1 | ||||
| -rw-r--r-- | include/asm-ia64/sn/intr.h | 1 | ||||
| -rw-r--r-- | include/asm-ia64/sn/sn_feature_sets.h | 1 |
3 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-ia64/sn/arch.h b/include/asm-ia64/sn/arch.h index 16adc93..7caa1f4 100644 --- a/include/asm-ia64/sn/arch.h +++ b/include/asm-ia64/sn/arch.h @@ -81,5 +81,6 @@ extern u8 sn_sharing_domain_size; extern u8 sn_region_size; extern void sn_flush_all_caches(long addr, long bytes); +extern bool sn_cpu_disable_allowed(int cpu); #endif /* _ASM_IA64_SN_ARCH_H */ diff --git a/include/asm-ia64/sn/intr.h b/include/asm-ia64/sn/intr.h index 12b54dd..e0487aa 100644 --- a/include/asm-ia64/sn/intr.h +++ b/include/asm-ia64/sn/intr.h @@ -60,6 +60,7 @@ extern u64 sn_intr_alloc(nasid_t, int, int, nasid_t, int); extern void sn_intr_free(nasid_t, int, struct sn_irq_info *); extern struct sn_irq_info *sn_retarget_vector(struct sn_irq_info *, nasid_t, int); +extern void sn_set_err_irq_affinity(unsigned int); extern struct list_head **sn_irq_lh; #define CPU_VECTOR_TO_IRQ(cpuid,vector) (vector) diff --git a/include/asm-ia64/sn/sn_feature_sets.h b/include/asm-ia64/sn/sn_feature_sets.h index bfdc362..8e83ac1 100644 --- a/include/asm-ia64/sn/sn_feature_sets.h +++ b/include/asm-ia64/sn/sn_feature_sets.h @@ -31,6 +31,7 @@ extern int sn_prom_feature_available(int id); #define PRF_PAL_CACHE_FLUSH_SAFE 0 #define PRF_DEVICE_FLUSH_LIST 1 #define PRF_HOTPLUG_SUPPORT 2 +#define PRF_CPU_DISABLE_SUPPORT 3 /* --------------------- OS Features -------------------------------*/ |
