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authorFelix Kuehling <Felix.Kuehling@amd.com>2017-11-27 18:29:48 -0500
committerOded Gabbay <oded.gabbay@gmail.com>2017-11-27 18:29:48 -0500
commit80c195f5c2bd4da139f913b4debc5b75173f6fca (patch)
tree00251596b5551296e79e8af7e301f6141e039bdf /drivers/gpu/drm/amd/include
parentfdcba29c5d9cfc67ba3ff6135d392ea91b6bd61a (diff)
drm/amdgpu: Add kfd2kgd APIs for dumping HQDs
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>
Diffstat (limited to 'drivers/gpu/drm/amd/include')
-rw-r--r--drivers/gpu/drm/amd/include/kgd_kfd_interface.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
index c6d4e64531c7..fe3079a33a3d 100644
--- a/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
+++ b/drivers/gpu/drm/amd/include/kgd_kfd_interface.h
@@ -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);