[PATCH 2/4] ACPI: NUMA: Add handler for SRAT RINTC affinity structure
Haibo Xu
haibo1.xu at intel.com
Tue Jan 30 18:31:59 PST 2024
Add RINTC affinity structure handler during parsing SRAT table.
The ARCH specific implementation will be added in next patch.
Signed-off-by: Haibo Xu <haibo1.xu at intel.com>
---
drivers/acpi/numa/srat.c | 32 +++++++++++++++++++++++++++++++-
include/linux/acpi.h | 3 +++
2 files changed, 34 insertions(+), 1 deletion(-)
diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c
index 0214518fc582..503abcf6125d 100644
--- a/drivers/acpi/numa/srat.c
+++ b/drivers/acpi/numa/srat.c
@@ -165,6 +165,19 @@ acpi_table_print_srat_entry(struct acpi_subtable_header *header)
}
}
break;
+
+ case ACPI_SRAT_TYPE_RINTC_AFFINITY:
+ {
+ struct acpi_srat_rintc_affinity *p =
+ (struct acpi_srat_rintc_affinity *)header;
+ pr_debug("SRAT Processor (acpi id[0x%04x]) in proximity domain %d %s\n",
+ p->acpi_processor_uid,
+ p->proximity_domain,
+ (p->flags & ACPI_SRAT_RINTC_ENABLED) ?
+ "enabled" : "disabled");
+ }
+ break;
+
default:
pr_warn("Found unsupported SRAT entry (type = 0x%x)\n",
header->type);
@@ -448,6 +461,21 @@ acpi_parse_gi_affinity(union acpi_subtable_headers *header,
}
#endif /* defined(CONFIG_X86) || defined (CONFIG_ARM64) */
+static int __init
+acpi_parse_rintc_affinity(union acpi_subtable_headers *header,
+ const unsigned long end)
+{
+ struct acpi_srat_rintc_affinity *rintc_affinity;
+
+ rintc_affinity = (struct acpi_srat_rintc_affinity *)header;
+ acpi_table_print_srat_entry(&header->common);
+
+ /* let architecture-dependent part to do it */
+ acpi_numa_rintc_affinity_init(rintc_affinity);
+
+ return 0;
+}
+
static int __initdata parsed_numa_memblks;
static int __init
@@ -501,7 +529,7 @@ int __init acpi_numa_init(void)
/* SRAT: System Resource Affinity Table */
if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
- struct acpi_subtable_proc srat_proc[4];
+ struct acpi_subtable_proc srat_proc[5];
memset(srat_proc, 0, sizeof(srat_proc));
srat_proc[0].id = ACPI_SRAT_TYPE_CPU_AFFINITY;
@@ -512,6 +540,8 @@ int __init acpi_numa_init(void)
srat_proc[2].handler = acpi_parse_gicc_affinity;
srat_proc[3].id = ACPI_SRAT_TYPE_GENERIC_AFFINITY;
srat_proc[3].handler = acpi_parse_gi_affinity;
+ srat_proc[4].id = ACPI_SRAT_TYPE_RINTC_AFFINITY;
+ srat_proc[4].handler = acpi_parse_rintc_affinity;
acpi_table_parse_entries_array(ACPI_SIG_SRAT,
sizeof(struct acpi_table_srat),
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index b7165e52b3c6..a65273db55c6 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -269,6 +269,9 @@ acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { }
int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma);
+static inline void
+acpi_numa_rintc_affinity_init(struct acpi_srat_rintc_affinity *pa) { }
+
#ifndef PHYS_CPUID_INVALID
typedef u32 phys_cpuid_t;
#define PHYS_CPUID_INVALID (phys_cpuid_t)(-1)
--
2.34.1
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