diff options
| author | David Yat Sin <david.yatsin@amd.com> | 2021-01-25 20:50:14 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-02-08 01:59:52 +0300 |
| commit | 42c6c48214b726c30918e8dc80e2168607d13ae4 (patch) | |
| tree | cdb245637820e0d2fc82e58a5b8a032c6799c021 /drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c | |
| parent | 5bb6a8fa75fcfda93592bee0a4910420ceab15f3 (diff) | |
| download | linux-42c6c48214b726c30918e8dc80e2168607d13ae4.tar.xz | |
drm/amdkfd: CRIU checkpoint and restore queue mqds
Checkpoint contents of queue MQD's on CRIU dump and restore them during
CRIU restore.
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: David Yat Sin <david.yatsin@amd.com>
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c index d74d8a6ac27a..4ddf5b45c42a 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c @@ -285,6 +285,41 @@ static int get_wave_state(struct mqd_manager *mm, void *mqd, return 0; } +static void checkpoint_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst) +{ + struct v10_compute_mqd *m; + + m = get_mqd(mqd); + + memcpy(mqd_dst, m, sizeof(struct v10_compute_mqd)); +} + +static void restore_mqd(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *qp, + const void *mqd_src) +{ + uint64_t addr; + struct v10_compute_mqd *m; + + m = (struct v10_compute_mqd *) mqd_mem_obj->cpu_ptr; + addr = mqd_mem_obj->gpu_addr; + + memcpy(m, mqd_src, sizeof(*m)); + + *mqd = m; + if (gart_addr) + *gart_addr = addr; + + m->cp_hqd_pq_doorbell_control = + qp->doorbell_off << + CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT; + pr_debug("cp_hqd_pq_doorbell_control 0x%x\n", + m->cp_hqd_pq_doorbell_control); + + qp->is_active = 0; +} + static void init_mqd_hiq(struct mqd_manager *mm, void **mqd, struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, struct queue_properties *q) @@ -373,6 +408,38 @@ static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd, return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->adev, mqd); } +static void checkpoint_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst) +{ + struct v10_sdma_mqd *m; + + m = get_sdma_mqd(mqd); + + memcpy(mqd_dst, m, sizeof(struct v10_sdma_mqd)); +} + +static void restore_mqd_sdma(struct mqd_manager *mm, void **mqd, + struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, + struct queue_properties *qp, + const void *mqd_src) +{ + uint64_t addr; + struct v10_sdma_mqd *m; + + m = (struct v10_sdma_mqd *) mqd_mem_obj->cpu_ptr; + addr = mqd_mem_obj->gpu_addr; + + memcpy(m, mqd_src, sizeof(*m)); + + m->sdmax_rlcx_doorbell_offset = + qp->doorbell_off << SDMA0_RLC0_DOORBELL_OFFSET__OFFSET__SHIFT; + + *mqd = m; + if (gart_addr) + *gart_addr = addr; + + qp->is_active = 0; +} + #if defined(CONFIG_DEBUG_FS) static int debugfs_show_mqd(struct seq_file *m, void *data) @@ -417,6 +484,8 @@ struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, mqd->is_occupied = is_occupied; mqd->mqd_size = sizeof(struct v10_compute_mqd); mqd->get_wave_state = get_wave_state; + mqd->checkpoint_mqd = checkpoint_mqd; + mqd->restore_mqd = restore_mqd; #if defined(CONFIG_DEBUG_FS) mqd->debugfs_show_mqd = debugfs_show_mqd; #endif @@ -460,6 +529,8 @@ struct mqd_manager *mqd_manager_init_v10(enum KFD_MQD_TYPE type, mqd->update_mqd = update_mqd_sdma; mqd->destroy_mqd = destroy_mqd_sdma; mqd->is_occupied = is_occupied_sdma; + mqd->checkpoint_mqd = checkpoint_mqd_sdma; + mqd->restore_mqd = restore_mqd_sdma; mqd->mqd_size = sizeof(struct v10_sdma_mqd); #if defined(CONFIG_DEBUG_FS) mqd->debugfs_show_mqd = debugfs_show_mqd_sdma; |