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drm/amdgpu: Add kfd2kgd APIs for dumping HQDs

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This can be used by KFD for debugging features, such as dumping
HQDs in debugfs.

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
This commit is contained in:
Felix Kuehling
2017-11-27 18:29:48 -05:00
committed by Oded Gabbay
parent fdcba29c5d
commit 80c195f5c2
3 changed files with 165 additions and 0 deletions
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14
drivers/gpu/drm/amd/include/kgd_kfd_interface.h
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@@ -131,6 +131,12 @@ struct tile_config {
* @hqd_sdma_load: Loads the SDMA mqd structure to a H/W SDMA hqd slot.
* used only for no HWS mode.
*
* @hqd_dump: Dumps CPC HQD registers to an array of address-value pairs.
* Array is allocated with kmalloc, needs to be freed with kfree by caller.
*
* @hqd_sdma_dump: Dumps SDMA HQD registers to an array of address-value pairs.
* Array is allocated with kmalloc, needs to be freed with kfree by caller.
*
* @hqd_is_occupies: Checks if a hqd slot is occupied.
*
* @hqd_destroy: Destructs and preempts the queue assigned to that hqd slot.
@@ -187,6 +193,14 @@ struct kfd2kgd_calls {
int (*hqd_sdma_load)(struct kgd_dev *kgd, void *mqd,
uint32_t __user *wptr, struct mm_struct *mm);
int (*hqd_dump)(struct kgd_dev *kgd,
uint32_t pipe_id, uint32_t queue_id,
uint32_t (**dump)[2], uint32_t *n_regs);
int (*hqd_sdma_dump)(struct kgd_dev *kgd,
uint32_t engine_id, uint32_t queue_id,
uint32_t (**dump)[2], uint32_t *n_regs);
bool (*hqd_is_occupied)(struct kgd_dev *kgd, uint64_t queue_address,
uint32_t pipe_id, uint32_t queue_id);