Dump contents of queue control stacks on CRIU dump and restore them during CRIU restore. (rajneesh: rebased to 5.11 and fixed merge conflict) Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@xxxxxxx> Signed-off-by: David Yat Sin <david.yatsin@xxxxxxx> --- drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 2 +- drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c | 2 +- .../drm/amd/amdkfd/kfd_device_queue_manager.c | 30 +++++++---- .../drm/amd/amdkfd/kfd_device_queue_manager.h | 10 ++-- drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h | 8 ++- .../gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c | 17 ++++-- .../gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c | 18 +++++-- .../gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c | 27 ++++++++-- .../gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c | 17 ++++-- drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 8 +-- .../amd/amdkfd/kfd_process_queue_manager.c | 52 ++++++++++++------- 11 files changed, 136 insertions(+), 55 deletions(-) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index fad17f9b13f6..dd0ecfe76c2b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -313,7 +313,7 @@ static int kfd_ioctl_create_queue(struct file *filep, struct kfd_process *p, dev->id); err = pqm_create_queue(&p->pqm, dev, filep, &q_properties, &queue_id, NULL, - NULL, &doorbell_offset_in_process); + NULL, NULL, &doorbell_offset_in_process); if (err != 0) goto err_create_queue; diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c index c6c0cd47e7f7..3c29e60b967f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c @@ -185,7 +185,7 @@ static int dbgdev_register_diq(struct kfd_dbgdev *dbgdev) properties.type = KFD_QUEUE_TYPE_DIQ; status = pqm_create_queue(dbgdev->pqm, dbgdev->dev, NULL, - &properties, &qid, NULL, NULL, NULL); + &properties, &qid, NULL, NULL, NULL, NULL); if (status) { pr_err("Failed to create DIQ\n"); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c index 14199e467e96..5943dcf1720f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c @@ -319,7 +319,8 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm, struct queue *q, struct qcm_process_device *qpd, const struct kfd_criu_queue_priv_data *qd, - const void *restore_mqd) + const void *restore_mqd, + const void *restore_ctl_stack) { struct mqd_manager *mqd_mgr; int retval; @@ -380,8 +381,9 @@ static int create_queue_nocpsch(struct device_queue_manager *dqm, } if (qd) - mqd_mgr->restore_mqd(mqd_mgr, &q->mqd, q->mqd_mem_obj, - &q->gart_mqd_addr, &q->properties, restore_mqd); + mqd_mgr->restore_mqd(mqd_mgr, &q->mqd, q->mqd_mem_obj, &q->gart_mqd_addr, + &q->properties, restore_mqd, + restore_ctl_stack, qd->ctl_stack_size); else mqd_mgr->init_mqd(mqd_mgr, &q->mqd, q->mqd_mem_obj, &q->gart_mqd_addr, &q->properties); @@ -1322,7 +1324,7 @@ static void destroy_kernel_queue_cpsch(struct device_queue_manager *dqm, static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, struct qcm_process_device *qpd, const struct kfd_criu_queue_priv_data *qd, - const void *restore_mqd) + const void *restore_mqd, const void *restore_ctl_stack) { int retval; struct mqd_manager *mqd_mgr; @@ -1370,8 +1372,9 @@ static int create_queue_cpsch(struct device_queue_manager *dqm, struct queue *q, q->properties.is_evicted = !!qpd->evicted; if (qd) - mqd_mgr->restore_mqd(mqd_mgr, &q->mqd, q->mqd_mem_obj, - &q->gart_mqd_addr, &q->properties, restore_mqd); + mqd_mgr->restore_mqd(mqd_mgr, &q->mqd, q->mqd_mem_obj, &q->gart_mqd_addr, + &q->properties, restore_mqd, restore_ctl_stack, + qd->ctl_stack_size); else mqd_mgr->init_mqd(mqd_mgr, &q->mqd, q->mqd_mem_obj, &q->gart_mqd_addr, &q->properties); @@ -1759,19 +1762,28 @@ static int get_wave_state(struct device_queue_manager *dqm, static void get_queue_dump_info(struct device_queue_manager *dqm, const struct queue *q, - u32 *mqd_size) + u32 *mqd_size, + u32 *ctl_stack_size) { struct mqd_manager *mqd_mgr; enum KFD_MQD_TYPE mqd_type = get_mqd_type_from_queue_type(q->properties.type); + dqm_lock(dqm); mqd_mgr = dqm->mqd_mgrs[mqd_type]; *mqd_size = mqd_mgr->mqd_size; + *ctl_stack_size = 0; + + if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE && mqd_mgr->get_dump_info) + mqd_mgr->get_dump_info(mqd_mgr, q->mqd, ctl_stack_size); + + dqm_unlock(dqm); } static int dump_mqd(struct device_queue_manager *dqm, const struct queue *q, - void *mqd) + void *mqd, + void *ctl_stack) { struct mqd_manager *mqd_mgr; int r = 0; @@ -1791,7 +1803,7 @@ static int dump_mqd(struct device_queue_manager *dqm, goto dqm_unlock; } - mqd_mgr->dump_mqd(mqd_mgr, q->mqd, mqd); + mqd_mgr->dump_mqd(mqd_mgr, q->mqd, mqd, ctl_stack); dqm_unlock: dqm_unlock(dqm); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h index ae4170aece6d..9d7d1308df71 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h @@ -88,7 +88,8 @@ struct device_queue_manager_ops { struct queue *q, struct qcm_process_device *qpd, const struct kfd_criu_queue_priv_data *qd, - const void *restore_mqd); + const void *restore_mqd, + const void *restore_ctl_stack); int (*destroy_queue)(struct device_queue_manager *dqm, struct qcm_process_device *qpd, @@ -138,12 +139,13 @@ struct device_queue_manager_ops { u32 *save_area_used_size); void (*get_queue_dump_info)(struct device_queue_manager *dqm, - const struct queue *q, - u32 *mqd_size); + const struct queue *q, u32 *mqd_size, + u32 *ctl_stack_size); int (*dump_mqd)(struct device_queue_manager *dqm, const struct queue *q, - void *mqd); + void *mqd, + void *ctl_stack); }; struct device_queue_manager_asic_ops { diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h index 497e6f874352..bb91b95b4970 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager.h @@ -98,12 +98,16 @@ struct mqd_manager { u32 *ctl_stack_used_size, u32 *save_area_used_size); - void (*dump_mqd)(struct mqd_manager *mm, void *mqd, void *mqd_dst); + void (*get_dump_info)(struct mqd_manager *mm, void *mqd, uint32_t *ctl_stack_size); + + void (*dump_mqd)(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst); void (*restore_mqd)(struct mqd_manager *mm, void **mqd, struct kfd_mem_obj *mqd_mem_obj, uint64_t *gart_addr, struct queue_properties *p, - const void *mqd_src); + const void *mqd_src, + const void *ctl_stack_src, + const u32 ctl_stack_size); #if defined(CONFIG_DEBUG_FS) int (*debugfs_show_mqd)(struct seq_file *m, void *data); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c index 1d000252080c..bf32c67b723a 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_cik.c @@ -275,7 +275,13 @@ static int destroy_mqd(struct mqd_manager *mm, void *mqd, pipe_id, queue_id); } -static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst) +static void get_dump_info(struct mqd_manager *mm, void *mqd, u32 *ctl_stack_size) +{ + /* Control stack is stored in user mode */ + *ctl_stack_size = 0; +} + +static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) { struct cik_mqd *m; @@ -287,7 +293,8 @@ static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst) 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) + const void *mqd_src, + const void *ctl_stack_src, const u32 ctl_stack_size) { uint64_t addr; struct cik_mqd *m; @@ -309,7 +316,7 @@ static void restore_mqd(struct mqd_manager *mm, void **mqd, qp->is_active = 0; } -static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst) +static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) { struct cik_sdma_rlc_registers *m; @@ -321,7 +328,8 @@ static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst) 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) + const void *mqd_src, + const void *ctl_stack_src, const u32 ctl_stack_size) { uint64_t addr; struct cik_sdma_rlc_registers *m; @@ -451,6 +459,7 @@ struct mqd_manager *mqd_manager_init_cik(enum KFD_MQD_TYPE type, mqd->update_mqd = update_mqd; mqd->destroy_mqd = destroy_mqd; mqd->is_occupied = is_occupied; + mqd->get_dump_info = get_dump_info; mqd->dump_mqd = dump_mqd; mqd->restore_mqd = restore_mqd; mqd->mqd_size = sizeof(struct cik_mqd); 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 0066a2cf5672..6dd06ee98b60 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v10.c @@ -283,7 +283,13 @@ static int get_wave_state(struct mqd_manager *mm, void *mqd, return 0; } -static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst) +static void get_dump_info(struct mqd_manager *mm, void *mqd, u32 *ctl_stack_size) +{ + /* Control stack is stored in user mode */ + *ctl_stack_size = 0; +} + +static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) { struct v10_compute_mqd *m; @@ -295,7 +301,8 @@ static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst) 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) + const void *mqd_src, + const void *ctl_stack_src, const u32 ctl_stack_size) { uint64_t addr; struct v10_compute_mqd *m; @@ -405,7 +412,7 @@ static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd, return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd); } -static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst) +static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) { struct v10_sdma_mqd *m; @@ -417,7 +424,9 @@ static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst) 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) + const void *mqd_src, + const void *ctl_stack_src, + const u32 ctl_stack_size) { uint64_t addr; struct v10_sdma_mqd *m; @@ -478,6 +487,7 @@ 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->get_dump_info = get_dump_info; mqd->dump_mqd = dump_mqd; mqd->restore_mqd = restore_mqd; #if defined(CONFIG_DEBUG_FS) diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c index 5b6beb69dfc2..db9f138e1135 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c @@ -338,21 +338,34 @@ static int get_wave_state(struct mqd_manager *mm, void *mqd, return 0; } -static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst) +static void get_dump_info(struct mqd_manager *mm, void *mqd, u32 *ctl_stack_size) +{ + struct v9_mqd *m = get_mqd(mqd); + + *ctl_stack_size = m->cp_hqd_cntl_stack_size; +} + +static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) { struct v9_mqd *m; + /* Control stack is located one page after MQD. */ + void *ctl_stack = (void *)((uintptr_t)mqd + PAGE_SIZE); m = get_mqd(mqd); memcpy(mqd_dst, m, sizeof(struct v9_mqd)); + memcpy(ctl_stack_dst, ctl_stack, m->cp_hqd_cntl_stack_size); } 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) + struct queue_properties *qp, + const void *mqd_src, + const void *ctl_stack_src, u32 ctl_stack_size) { uint64_t addr; struct v9_mqd *m; + void *ctl_stack; m = (struct v9_mqd *) mqd_mem_obj->cpu_ptr; addr = mqd_mem_obj->gpu_addr; @@ -364,6 +377,9 @@ static void restore_mqd(struct mqd_manager *mm, void **mqd, *gart_addr = addr; /* Control stack is located one page after MQD. */ + ctl_stack = (void *)((uintptr_t)*mqd + PAGE_SIZE); + memcpy(ctl_stack, ctl_stack_src, ctl_stack_size); + m->cp_hqd_pq_doorbell_control = qp->doorbell_off << CP_HQD_PQ_DOORBELL_CONTROL__DOORBELL_OFFSET__SHIFT; @@ -460,7 +476,7 @@ static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd, return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd); } -static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst) +static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) { struct v9_sdma_mqd *m; @@ -471,7 +487,9 @@ static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst) 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) + struct queue_properties *qp, + const void *mqd_src, + const void *ctl_stack_src, const u32 ctl_stack_size) { uint64_t addr; struct v9_sdma_mqd *m; @@ -530,6 +548,7 @@ struct mqd_manager *mqd_manager_init_v9(enum KFD_MQD_TYPE type, mqd->destroy_mqd = destroy_mqd; mqd->is_occupied = is_occupied; mqd->get_wave_state = get_wave_state; + mqd->get_dump_info = get_dump_info; mqd->dump_mqd = dump_mqd; mqd->restore_mqd = restore_mqd; mqd->mqd_size = sizeof(struct v9_mqd); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c index ae5e3edec92e..88f320abe850 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_vi.c @@ -303,7 +303,13 @@ static int get_wave_state(struct mqd_manager *mm, void *mqd, return 0; } -static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst) +static void get_dump_info(struct mqd_manager *mm, void *mqd, u32 *ctl_stack_size) +{ + /* Control stack is stored in user mode */ + *ctl_stack_size = 0; +} + +static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) { struct vi_mqd *m; @@ -315,7 +321,8 @@ static void dump_mqd(struct mqd_manager *mm, void *mqd, void *mqd_dst) 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) + const void *mqd_src, + const void *ctl_stack_src, const u32 ctl_stack_size) { uint64_t addr; struct vi_mqd *m; @@ -429,7 +436,7 @@ static bool is_occupied_sdma(struct mqd_manager *mm, void *mqd, return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd); } -static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst) +static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst, void *ctl_stack_dst) { struct vi_sdma_mqd *m; @@ -441,7 +448,8 @@ static void dump_mqd_sdma(struct mqd_manager *mm, void *mqd, void *mqd_dst) 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) + const void *mqd_src, + const void *ctl_stack_src, const u32 ctl_stack_size) { uint64_t addr; struct vi_sdma_mqd *m; @@ -500,6 +508,7 @@ struct mqd_manager *mqd_manager_init_vi(enum KFD_MQD_TYPE type, mqd->destroy_mqd = destroy_mqd; mqd->is_occupied = is_occupied; mqd->get_wave_state = get_wave_state; + mqd->get_dump_info = get_dump_info; mqd->dump_mqd = dump_mqd; mqd->restore_mqd = restore_mqd; mqd->mqd_size = sizeof(struct vi_mqd); diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 45be2daf49b3..b282aa9f9235 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -1120,6 +1120,7 @@ int pqm_create_queue(struct process_queue_manager *pqm, unsigned int *qid, const struct kfd_criu_queue_priv_data *q_data, const void *restore_mqd, + const void *restore_ctl_stack, uint32_t *p_doorbell_offset_in_process); int pqm_destroy_queue(struct process_queue_manager *pqm, unsigned int qid); int pqm_update_queue(struct process_queue_manager *pqm, unsigned int qid, @@ -1142,11 +1143,12 @@ int amdkfd_fence_wait_timeout(uint64_t *fence_addr, uint64_t fence_value, unsigned int timeout_ms); int pqm_get_queue_dump_info(struct process_queue_manager *pqm, - unsigned int qid, - u32 *mqd_size); + unsigned int qid, + u32 *mqd_size, u32 *ctl_stack_size); int pqm_dump_mqd(struct process_queue_manager *pqm, unsigned int qid, - void *dst_mqd); + void *dst_mqd, + void *dst_ctl_stack); /* Packet Manager */ diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c index b67d5dd3dda9..3b7747b7f388 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c @@ -209,6 +209,7 @@ int pqm_create_queue(struct process_queue_manager *pqm, unsigned int *qid, const struct kfd_criu_queue_priv_data *q_data, const void *restore_mqd, + const void *restore_ctl_stack, uint32_t *p_doorbell_offset_in_process) { int retval; @@ -273,7 +274,8 @@ int pqm_create_queue(struct process_queue_manager *pqm, goto err_create_queue; pqn->q = q; pqn->kq = NULL; - retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd, q_data, restore_mqd); + retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd, q_data, + restore_mqd, restore_ctl_stack); print_queue(q); break; @@ -293,7 +295,8 @@ int pqm_create_queue(struct process_queue_manager *pqm, goto err_create_queue; pqn->q = q; pqn->kq = NULL; - retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd, q_data, restore_mqd); + retval = dev->dqm->ops.create_queue(dev->dqm, q, &pdd->qpd, q_data, + restore_mqd, restore_ctl_stack); print_queue(q); break; case KFD_QUEUE_TYPE_DIQ: @@ -532,13 +535,15 @@ int pqm_get_wave_state(struct process_queue_manager *pqm, static int get_queue_data_sizes(struct kfd_process_device *pdd, struct queue *q, uint32_t *cu_mask_size, - uint32_t *mqd_size) + uint32_t *mqd_size, + uint32_t *ctl_stack_size) { int ret; *cu_mask_size = sizeof(uint32_t) * (q->properties.cu_mask_count / 32); - ret = pqm_get_queue_dump_info(&pdd->process->pqm, q->properties.queue_id, mqd_size); + ret = pqm_get_queue_dump_info(&pdd->process->pqm, q->properties.queue_id, mqd_size, + ctl_stack_size); if (ret) pr_err("Failed to get queue dump info (%d)\n", ret); @@ -562,13 +567,15 @@ int kfd_process_get_queue_info(struct kfd_process *p, uint32_t *num_queues, uint q->properties.type == KFD_QUEUE_TYPE_SDMA_XGMI) { u32 cu_mask_size; u32 mqd_size; + u32 ctl_stack_size; int ret; - ret = get_queue_data_sizes(pdd, q, &cu_mask_size, &mqd_size); + ret = get_queue_data_sizes(pdd, q, &cu_mask_size, &mqd_size, + &ctl_stack_size); if (ret) return ret; - data_sizes += cu_mask_size + mqd_size; + data_sizes += cu_mask_size + mqd_size + ctl_stack_size; q_index++; } else { pr_err("Unsupported queue type (%d)\n", q->properties.type); @@ -588,11 +595,12 @@ static int criu_dump_queue(struct kfd_process_device *pdd, void *private_data) { struct kfd_criu_queue_priv_data *q_data = (struct kfd_criu_queue_priv_data *) private_data; - uint8_t *cu_mask, *mqd; + uint8_t *cu_mask, *mqd, *ctl_stack; int ret; cu_mask = (void *)(q_data + 1); mqd = cu_mask + q_data->cu_mask_size; + ctl_stack = mqd + q_data->mqd_size; q_bucket->gpu_id = pdd->dev->id; q_data->type = q->properties.type; @@ -622,7 +630,7 @@ static int criu_dump_queue(struct kfd_process_device *pdd, if (q_data->cu_mask_size) memcpy(cu_mask, q->properties.cu_mask, q_data->cu_mask_size); - ret = pqm_dump_mqd(&pdd->process->pqm, q->properties.queue_id, mqd); + ret = pqm_dump_mqd(&pdd->process->pqm, q->properties.queue_id, mqd, ctl_stack); if (ret) { pr_err("Failed dump queue_mqd (%d)\n", ret); return ret; @@ -650,6 +658,7 @@ static int criu_dump_queues_device(struct kfd_process_device *pdd, uint64_t q_data_size; uint32_t cu_mask_size; uint32_t mqd_size; + uint32_t ctl_stack_size; if (q->properties.type != KFD_QUEUE_TYPE_COMPUTE && q->properties.type != KFD_QUEUE_TYPE_SDMA && @@ -661,11 +670,11 @@ static int criu_dump_queues_device(struct kfd_process_device *pdd, memset(&q_bucket, 0, sizeof(q_bucket)); - ret = get_queue_data_sizes(pdd, q, &cu_mask_size, &mqd_size); + ret = get_queue_data_sizes(pdd, q, &cu_mask_size, &mqd_size, &ctl_stack_size); if (ret) return ret; - q_data_size = sizeof(*q_data) + cu_mask_size + mqd_size; + q_data_size = sizeof(*q_data) + cu_mask_size + mqd_size + ctl_stack_size; /* Increase local buffer space if needed */ if (q_private_data_size < q_data_size) { @@ -681,8 +690,10 @@ static int criu_dump_queues_device(struct kfd_process_device *pdd, q_data = (struct kfd_criu_queue_priv_data *)q_private_data; + /* data stored in this order: priv_data, cu_mask, mqd, ctl_stack */ q_data->cu_mask_size = cu_mask_size; q_data->mqd_size = mqd_size; + q_data->ctl_stack_size = ctl_stack_size; ret = criu_dump_queue(pdd, q, &q_bucket, q_data); if (ret) @@ -739,8 +750,8 @@ int kfd_criu_dump_queues(struct kfd_process *p, struct kfd_ioctl_criu_dumper_arg return -EINVAL; } - /* Queue private data size for each queue can vary in size as it also includes cu_mask, mqd. - * First queue private data starts after all queue_buckets + /* Queue private data size for each queue can vary in size as it also includes cu_mask, mqd + * and ctl_stack. First queue private data starts after all queue_buckets */ queue_buckets = (struct kfd_criu_queue_bucket *)args->objects; @@ -805,16 +816,17 @@ static int criu_restore_queue(struct kfd_process *p, void *private_data) { struct kfd_criu_queue_priv_data *q_data = (struct kfd_criu_queue_priv_data *) private_data; - uint8_t *cu_mask, *mqd; + uint8_t *cu_mask, *mqd, *ctl_stack; struct queue_properties qp; unsigned int queue_id; int ret = 0; pr_debug("Restoring Queue: gpu_id:%x queue_id:%u\n", q_bucket->gpu_id, q_data->q_id); - /* data stored in this order: cu_mask, mqd */ + /* data stored in this order: cu_mask, mqd, ctl_stack */ cu_mask = (void *)(q_data + 1); mqd = cu_mask + q_data->cu_mask_size; + ctl_stack = mqd + q_data->mqd_size; memset(&qp, 0, sizeof(qp)); ret = set_queue_properties_from_criu(&qp, q_bucket, q_data, cu_mask); @@ -823,7 +835,7 @@ static int criu_restore_queue(struct kfd_process *p, print_queue_properties(&qp); - ret = pqm_create_queue(&p->pqm, dev, NULL, &qp, &queue_id, q_data, mqd, NULL); + ret = pqm_create_queue(&p->pqm, dev, NULL, &qp, &queue_id, q_data, mqd, ctl_stack, NULL); if (ret) { pr_err("Failed to create new queue err:%d\n", ret); ret = -EINVAL; @@ -922,7 +934,8 @@ int kfd_criu_restore_queues(struct kfd_process *p, struct kfd_ioctl_criu_restore int pqm_get_queue_dump_info(struct process_queue_manager *pqm, unsigned int qid, - u32 *mqd_size) + u32 *mqd_size, + u32 *ctl_stack_size) { struct process_queue_node *pqn; @@ -938,12 +951,13 @@ int pqm_get_queue_dump_info(struct process_queue_manager *pqm, } pqn->q->device->dqm->ops.get_queue_dump_info(pqn->q->device->dqm, - pqn->q, mqd_size); + pqn->q, mqd_size, + ctl_stack_size); return 0; } int pqm_dump_mqd(struct process_queue_manager *pqm, - unsigned int qid, void *mqd) + unsigned int qid, void *mqd, void *ctl_stack) { struct process_queue_node *pqn; @@ -959,7 +973,7 @@ int pqm_dump_mqd(struct process_queue_manager *pqm, } return pqn->q->device->dqm->ops.dump_mqd(pqn->q->device->dqm, - pqn->q, mqd); + pqn->q, mqd, ctl_stack); } #if defined(CONFIG_DEBUG_FS) -- 2.17.1