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authorHaibo Xu <haibo1.xu@intel.com>2024-06-13 10:54:34 +0200
committerPalmer Dabbelt <palmer@rivosinc.com>2024-07-22 16:13:07 +0200
commit39494aec8a0454f9e8a68d2422d3bd4e5c5ee0c7 (patch)
treeefd16aa9d0db178c9b3364c9864b4ac8d382a0f3
parentACPI: RISCV: Add NUMA support based on SRAT and SLIT (diff)
downloadlinux-39494aec8a0454f9e8a68d2422d3bd4e5c5ee0c7.tar.xz
linux-39494aec8a0454f9e8a68d2422d3bd4e5c5ee0c7.zip
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>
-rw-r--r--drivers/acpi/numa/srat.c32
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/acpi/numa/srat.c b/drivers/acpi/numa/srat.c
index e3f26e71637a..44f91f2c6c5d 100644
--- 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),