[PATCH v2 3/6] ACPI: NUMA: Add handler for SRAT RINTC affinity structure

Haibo Xu
2024-03-07T08:35:28Z

Add RINTC affinity structure handler during parsing SRAT table.

Signed-off-by: Haibo Xu <haibo1.xu@intel.com>
---
drivers/acpi/numa/srat.c | 32 +++++++++++++++++++++++++++++++-
1 file changed, 31 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c
index 0214518fc582..1946431c0eef 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),
--
2.34.1