ACPI: NUMA: Add handler for SRAT RINTC affinity structure

Add RINTC affinity structure handler during parsing SRAT table.

Signed-off-by: Haibo Xu <haibo1.xu@intel.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://lore.kernel.org/r/e076514d78d92f104a5f2d8c82b8921f6aa26fdd.1718268003.git.haibo1.xu@intel.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>

diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c
index e3f26e71637a22e685263c3073c32f281d1c6dca..44f91f2c6c5d86ff7432387fef9bb1bd663e867e 100644 (file)
--- a/drivers/acpi/numa/srat.c
+++ b/drivers/acpi/numa/srat.c
@@ -167,6 +167,19 @@ 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);
@@ -450,6 +463,21 @@ 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 __init acpi_parse_srat(struct acpi_table_header *table)
 {
        struct acpi_table_srat *srat = (struct acpi_table_srat *)table;
@@ -485,7 +513,7 @@ 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;
@@ -496,6 +524,8 @@ 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),