summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdkfd/kfd_crat.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_crat.h')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_crat.h50
1 files changed, 21 insertions, 29 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h
index 482ba84a728d..a8ca7ecb6d27 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_crat.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_crat.h
@@ -29,11 +29,10 @@
#pragma pack(1)
/*
- * 4CC signature values for the CRAT and CDIT ACPI tables
+ * 4CC signature value for the CRAT ACPI table
*/
#define CRAT_SIGNATURE "CRAT"
-#define CDIT_SIGNATURE "CDIT"
/*
* Component Resource Association Table (CRAT)
@@ -43,8 +42,6 @@
#define CRAT_OEMTABLEID_LENGTH 8
#define CRAT_RESERVED_LENGTH 6
-#define CRAT_OEMID_64BIT_MASK ((1ULL << (CRAT_OEMID_LENGTH * 8)) - 1)
-
/* Compute Unit flags */
#define COMPUTE_UNIT_CPU (1 << 0) /* Create Virtual CRAT for CPU */
#define COMPUTE_UNIT_GPU (1 << 1) /* Create Virtual CRAT for GPU */
@@ -80,6 +77,10 @@ struct crat_header {
#define CRAT_SUBTYPE_IOLINK_AFFINITY 5
#define CRAT_SUBTYPE_MAX 6
+/*
+ * Do not change the value of CRAT_SIBLINGMAP_SIZE from 32
+ * as it breaks the ABI.
+ */
#define CRAT_SIBLINGMAP_SIZE 32
/*
@@ -276,7 +277,7 @@ struct crat_subtype_iolink {
uint32_t maximum_bandwidth_mbs;
uint32_t recommended_transfer_size;
uint8_t reserved2[CRAT_IOLINK_RESERVED_LENGTH - 1];
- uint8_t num_hops_xgmi;
+ uint8_t weight_xgmi;
};
/*
@@ -292,37 +293,28 @@ struct crat_subtype_generic {
uint32_t flags;
};
-/*
- * Component Locality Distance Information Table (CDIT)
- */
-#define CDIT_OEMID_LENGTH 6
-#define CDIT_OEMTABLEID_LENGTH 8
-
-struct cdit_header {
- uint32_t signature;
- uint32_t length;
- uint8_t revision;
- uint8_t checksum;
- uint8_t oem_id[CDIT_OEMID_LENGTH];
- uint8_t oem_table_id[CDIT_OEMTABLEID_LENGTH];
- uint32_t oem_revision;
- uint32_t creator_id;
- uint32_t creator_revision;
- uint32_t total_entries;
- uint16_t num_domains;
- uint8_t entry[1];
-};
-
#pragma pack()
-struct kfd_dev;
+struct kfd_node;
+
+/* Static table to describe GPU Cache information */
+struct kfd_gpu_cache_info {
+ uint32_t cache_size;
+ uint32_t cache_level;
+ uint32_t cache_line_size;
+ uint32_t flags;
+ /* Indicates how many Compute Units share this cache
+ * within a SA. Value = 1 indicates the cache is not shared
+ */
+ uint32_t num_cu_shared;
+};
+int kfd_get_gpu_cache_info(struct kfd_node *kdev, struct kfd_gpu_cache_info **pcache_info);
-int kfd_create_crat_image_acpi(void **crat_image, size_t *size);
void kfd_destroy_crat_image(void *crat_image);
int kfd_parse_crat_table(void *crat_image, struct list_head *device_list,
uint32_t proximity_domain);
int kfd_create_crat_image_virtual(void **crat_image, size_t *size,
- int flags, struct kfd_dev *kdev,
+ int flags, struct kfd_node *kdev,
uint32_t proximity_domain);
#endif /* KFD_CRAT_H_INCLUDED */