diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_guc_engine_activity.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_guc_engine_activity.c | 203 |
1 files changed, 175 insertions, 28 deletions
diff --git a/drivers/gpu/drm/xe/xe_guc_engine_activity.c b/drivers/gpu/drm/xe/xe_guc_engine_activity.c index 2a457dcf31d5..0fb48f8f05d8 100644 --- a/drivers/gpu/drm/xe/xe_guc_engine_activity.c +++ b/drivers/gpu/drm/xe/xe_guc_engine_activity.c @@ -17,36 +17,61 @@ #include "xe_hw_engine.h" #include "xe_map.h" #include "xe_mmio.h" +#include "xe_sriov_pf_helpers.h" #include "xe_trace_guc.h" #define TOTAL_QUANTA 0x8000 -static struct iosys_map engine_activity_map(struct xe_guc *guc, struct xe_hw_engine *hwe) +static struct iosys_map engine_activity_map(struct xe_guc *guc, struct xe_hw_engine *hwe, + unsigned int index) { struct xe_guc_engine_activity *engine_activity = &guc->engine_activity; - struct engine_activity_buffer *buffer = &engine_activity->device_buffer; + struct engine_activity_buffer *buffer; u16 guc_class = xe_engine_class_to_guc_class(hwe->class); size_t offset; - offset = offsetof(struct guc_engine_activity_data, + if (engine_activity->num_functions) { + buffer = &engine_activity->function_buffer; + offset = sizeof(struct guc_engine_activity_data) * index; + } else { + buffer = &engine_activity->device_buffer; + offset = 0; + } + + offset += offsetof(struct guc_engine_activity_data, engine_activity[guc_class][hwe->logical_instance]); return IOSYS_MAP_INIT_OFFSET(&buffer->activity_bo->vmap, offset); } -static struct iosys_map engine_metadata_map(struct xe_guc *guc) +static struct iosys_map engine_metadata_map(struct xe_guc *guc, + unsigned int index) { struct xe_guc_engine_activity *engine_activity = &guc->engine_activity; - struct engine_activity_buffer *buffer = &engine_activity->device_buffer; + struct engine_activity_buffer *buffer; + size_t offset; - return buffer->metadata_bo->vmap; + if (engine_activity->num_functions) { + buffer = &engine_activity->function_buffer; + offset = sizeof(struct guc_engine_activity_metadata) * index; + } else { + buffer = &engine_activity->device_buffer; + offset = 0; + } + + return IOSYS_MAP_INIT_OFFSET(&buffer->metadata_bo->vmap, offset); } static int allocate_engine_activity_group(struct xe_guc *guc) { struct xe_guc_engine_activity *engine_activity = &guc->engine_activity; struct xe_device *xe = guc_to_xe(guc); - u32 num_activity_group = 1; /* Will be modified for VF */ + u32 num_activity_group; + + /* + * An additional activity group is allocated for PF + */ + num_activity_group = IS_SRIOV_PF(xe) ? xe_sriov_pf_get_totalvfs(xe) + 1 : 1; engine_activity->eag = drmm_kcalloc(&xe->drm, num_activity_group, sizeof(struct engine_activity_group), GFP_KERNEL); @@ -60,10 +85,11 @@ static int allocate_engine_activity_group(struct xe_guc *guc) } static int allocate_engine_activity_buffers(struct xe_guc *guc, - struct engine_activity_buffer *buffer) + struct engine_activity_buffer *buffer, + int count) { - u32 metadata_size = sizeof(struct guc_engine_activity_metadata); - u32 size = sizeof(struct guc_engine_activity_data); + u32 metadata_size = sizeof(struct guc_engine_activity_metadata) * count; + u32 size = sizeof(struct guc_engine_activity_data) * count; struct xe_gt *gt = guc_to_gt(guc); struct xe_tile *tile = gt_to_tile(gt); struct xe_bo *bo, *metadata_bo; @@ -118,10 +144,11 @@ static bool is_engine_activity_supported(struct xe_guc *guc) return true; } -static struct engine_activity *hw_engine_to_engine_activity(struct xe_hw_engine *hwe) +static struct engine_activity *hw_engine_to_engine_activity(struct xe_hw_engine *hwe, + unsigned int index) { struct xe_guc *guc = &hwe->gt->uc.guc; - struct engine_activity_group *eag = &guc->engine_activity.eag[0]; + struct engine_activity_group *eag = &guc->engine_activity.eag[index]; u16 guc_class = xe_engine_class_to_guc_class(hwe->class); return &eag->engine[guc_class][hwe->logical_instance]; @@ -138,9 +165,10 @@ static u64 cpu_ns_to_guc_tsc_tick(ktime_t ns, u32 freq) #define read_metadata_record(xe_, map_, field_) \ xe_map_rd_field(xe_, map_, 0, struct guc_engine_activity_metadata, field_) -static u64 get_engine_active_ticks(struct xe_guc *guc, struct xe_hw_engine *hwe) +static u64 get_engine_active_ticks(struct xe_guc *guc, struct xe_hw_engine *hwe, + unsigned int index) { - struct engine_activity *ea = hw_engine_to_engine_activity(hwe); + struct engine_activity *ea = hw_engine_to_engine_activity(hwe, index); struct guc_engine_activity *cached_activity = &ea->activity; struct guc_engine_activity_metadata *cached_metadata = &ea->metadata; struct xe_guc_engine_activity *engine_activity = &guc->engine_activity; @@ -151,8 +179,8 @@ static u64 get_engine_active_ticks(struct xe_guc *guc, struct xe_hw_engine *hwe) u64 active_ticks, gpm_ts; u16 change_num; - activity_map = engine_activity_map(guc, hwe); - metadata_map = engine_metadata_map(guc); + activity_map = engine_activity_map(guc, hwe, index); + metadata_map = engine_metadata_map(guc, index); global_change_num = read_metadata_record(xe, &metadata_map, global_change_num); /* GuC has not initialized activity data yet, return 0 */ @@ -194,9 +222,9 @@ update: return ea->total + ea->active; } -static u64 get_engine_total_ticks(struct xe_guc *guc, struct xe_hw_engine *hwe) +static u64 get_engine_total_ticks(struct xe_guc *guc, struct xe_hw_engine *hwe, unsigned int index) { - struct engine_activity *ea = hw_engine_to_engine_activity(hwe); + struct engine_activity *ea = hw_engine_to_engine_activity(hwe, index); struct guc_engine_activity_metadata *cached_metadata = &ea->metadata; struct guc_engine_activity *cached_activity = &ea->activity; struct iosys_map activity_map, metadata_map; @@ -205,8 +233,8 @@ static u64 get_engine_total_ticks(struct xe_guc *guc, struct xe_hw_engine *hwe) u64 numerator; u16 quanta_ratio; - activity_map = engine_activity_map(guc, hwe); - metadata_map = engine_metadata_map(guc); + activity_map = engine_activity_map(guc, hwe, index); + metadata_map = engine_metadata_map(guc, index); if (!cached_metadata->guc_tsc_frequency_hz) cached_metadata->guc_tsc_frequency_hz = read_metadata_record(xe, &metadata_map, @@ -245,12 +273,39 @@ static int enable_engine_activity_stats(struct xe_guc *guc) return xe_guc_ct_send_block(&guc->ct, action, ARRAY_SIZE(action)); } -static void engine_activity_set_cpu_ts(struct xe_guc *guc) +static int enable_function_engine_activity_stats(struct xe_guc *guc, bool enable) { struct xe_guc_engine_activity *engine_activity = &guc->engine_activity; - struct engine_activity_group *eag = &engine_activity->eag[0]; + u32 metadata_ggtt_addr = 0, ggtt_addr = 0, num_functions = 0; + struct engine_activity_buffer *buffer = &engine_activity->function_buffer; + u32 action[6]; + int len = 0; + + if (enable) { + metadata_ggtt_addr = xe_bo_ggtt_addr(buffer->metadata_bo); + ggtt_addr = xe_bo_ggtt_addr(buffer->activity_bo); + num_functions = engine_activity->num_functions; + } + + action[len++] = XE_GUC_ACTION_SET_FUNCTION_ENGINE_ACTIVITY_BUFFER; + action[len++] = num_functions; + action[len++] = metadata_ggtt_addr; + action[len++] = 0; + action[len++] = ggtt_addr; + action[len++] = 0; + + /* Blocking here to ensure the buffers are ready before reading them */ + return xe_guc_ct_send_block(&guc->ct, action, ARRAY_SIZE(action)); +} + +static void engine_activity_set_cpu_ts(struct xe_guc *guc, unsigned int index) +{ + struct xe_guc_engine_activity *engine_activity = &guc->engine_activity; + struct engine_activity_group *eag = &engine_activity->eag[index]; int i, j; + xe_gt_assert(guc_to_gt(guc), index < engine_activity->num_activity_group); + for (i = 0; i < GUC_MAX_ENGINE_CLASSES; i++) for (j = 0; j < GUC_MAX_INSTANCES_PER_CLASS; j++) eag->engine[i][j].last_cpu_ts = ktime_get(); @@ -265,34 +320,107 @@ static u32 gpm_timestamp_shift(struct xe_gt *gt) return 3 - REG_FIELD_GET(RPM_CONFIG0_CTC_SHIFT_PARAMETER_MASK, reg); } +static bool is_function_valid(struct xe_guc *guc, unsigned int fn_id) +{ + struct xe_device *xe = guc_to_xe(guc); + struct xe_guc_engine_activity *engine_activity = &guc->engine_activity; + + if (!IS_SRIOV_PF(xe) && fn_id) + return false; + + if (engine_activity->num_functions && fn_id >= engine_activity->num_functions) + return false; + + return true; +} + +static int engine_activity_disable_function_stats(struct xe_guc *guc) +{ + struct xe_guc_engine_activity *engine_activity = &guc->engine_activity; + struct engine_activity_buffer *buffer = &engine_activity->function_buffer; + int ret; + + if (!engine_activity->num_functions) + return 0; + + ret = enable_function_engine_activity_stats(guc, false); + if (ret) + return ret; + + free_engine_activity_buffers(buffer); + engine_activity->num_functions = 0; + + return 0; +} + +static int engine_activity_enable_function_stats(struct xe_guc *guc, int num_vfs) +{ + struct xe_guc_engine_activity *engine_activity = &guc->engine_activity; + struct engine_activity_buffer *buffer = &engine_activity->function_buffer; + int ret, i; + + if (!num_vfs) + return 0; + + /* This includes 1 PF and num_vfs */ + engine_activity->num_functions = num_vfs + 1; + + ret = allocate_engine_activity_buffers(guc, buffer, engine_activity->num_functions); + if (ret) + return ret; + + ret = enable_function_engine_activity_stats(guc, true); + if (ret) { + free_engine_activity_buffers(buffer); + engine_activity->num_functions = 0; + return ret; + } + + /* skip PF as it was already setup */ + for (i = 1; i < engine_activity->num_functions; i++) + engine_activity_set_cpu_ts(guc, i); + + return 0; +} + /** * xe_guc_engine_activity_active_ticks - Get engine active ticks * @guc: The GuC object * @hwe: The hw_engine object + * @fn_id: function id to report on * * Return: accumulated ticks @hwe was active since engine activity stats were enabled. */ -u64 xe_guc_engine_activity_active_ticks(struct xe_guc *guc, struct xe_hw_engine *hwe) +u64 xe_guc_engine_activity_active_ticks(struct xe_guc *guc, struct xe_hw_engine *hwe, + unsigned int fn_id) { if (!xe_guc_engine_activity_supported(guc)) return 0; - return get_engine_active_ticks(guc, hwe); + if (!is_function_valid(guc, fn_id)) + return 0; + + return get_engine_active_ticks(guc, hwe, fn_id); } /** * xe_guc_engine_activity_total_ticks - Get engine total ticks * @guc: The GuC object * @hwe: The hw_engine object + * @fn_id: function id to report on * * Return: accumulated quanta of ticks allocated for the engine */ -u64 xe_guc_engine_activity_total_ticks(struct xe_guc *guc, struct xe_hw_engine *hwe) +u64 xe_guc_engine_activity_total_ticks(struct xe_guc *guc, struct xe_hw_engine *hwe, + unsigned int fn_id) { if (!xe_guc_engine_activity_supported(guc)) return 0; - return get_engine_total_ticks(guc, hwe); + if (!is_function_valid(guc, fn_id)) + return 0; + + return get_engine_total_ticks(guc, hwe, fn_id); } /** @@ -311,6 +439,25 @@ bool xe_guc_engine_activity_supported(struct xe_guc *guc) } /** + * xe_guc_engine_activity_function_stats - Enable/Disable per-function engine activity stats + * @guc: The GuC object + * @num_vfs: number of vfs + * @enable: true to enable, false otherwise + * + * Return: 0 on success, negative error code otherwise + */ +int xe_guc_engine_activity_function_stats(struct xe_guc *guc, int num_vfs, bool enable) +{ + if (!xe_guc_engine_activity_supported(guc)) + return 0; + + if (enable) + return engine_activity_enable_function_stats(guc, num_vfs); + + return engine_activity_disable_function_stats(guc); +} + +/** * xe_guc_engine_activity_enable_stats - Enable engine activity stats * @guc: The GuC object * @@ -327,7 +474,7 @@ void xe_guc_engine_activity_enable_stats(struct xe_guc *guc) if (ret) xe_gt_err(guc_to_gt(guc), "failed to enable activity stats%d\n", ret); else - engine_activity_set_cpu_ts(guc); + engine_activity_set_cpu_ts(guc, 0); } static void engine_activity_fini(void *arg) @@ -360,7 +507,7 @@ int xe_guc_engine_activity_init(struct xe_guc *guc) return ret; } - ret = allocate_engine_activity_buffers(guc, &engine_activity->device_buffer); + ret = allocate_engine_activity_buffers(guc, &engine_activity->device_buffer, 1); if (ret) { xe_gt_err(gt, "failed to allocate engine activity buffers (%pe)\n", ERR_PTR(ret)); return ret; |