[PATCH 06/34] drm/amdgpu/mes12: add API for user queue reset

[Alex Deucher]

Add API for resetting user queues.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/mes_v12_0.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
index 14b8c88fb0e0..aea6225df539 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c
@@ -334,6 +334,26 @@ static int mes_v12_0_remove_hw_queue(struct amdgpu_mes *mes,
 			offsetof(union MESAPI__REMOVE_QUEUE, api_status));
 }
 
+static int mes_v12_0_reset_hw_queue(struct amdgpu_mes *mes,
+				    struct mes_reset_queue_input *input)
+{
+	union MESAPI__RESET mes_reset_queue_pkt;
+
+	memset(&mes_reset_queue_pkt, 0, sizeof(mes_reset_queue_pkt));
+
+	mes_reset_queue_pkt.header.type = MES_API_TYPE_SCHEDULER;
+	mes_reset_queue_pkt.header.opcode = MES_SCH_API_RESET;
+	mes_reset_queue_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
+
+	mes_reset_queue_pkt.doorbell_offset = input->doorbell_offset;
+	mes_reset_queue_pkt.gang_context_addr = input->gang_context_addr;
+	/*mes_reset_queue_pkt.reset_queue_only = 1;*/
+
+	return mes_v12_0_submit_pkt_and_poll_completion(mes,
+			&mes_reset_queue_pkt, sizeof(mes_reset_queue_pkt),
+			offsetof(union MESAPI__REMOVE_QUEUE, api_status));
+}
+
 static int mes_v12_0_map_legacy_queue(struct amdgpu_mes *mes,
 				      struct mes_map_legacy_queue_input *input)
 {
@@ -675,6 +695,7 @@ static const struct amdgpu_mes_funcs mes_v12_0_funcs = {
 	.resume_gang = mes_v12_0_resume_gang,
 	.misc_op = mes_v12_0_misc_op,
 	.reset_legacy_queue = mes_v12_0_reset_legacy_queue,
+	.reset_hw_queue = mes_v12_0_reset_hw_queue,
 };
 
 static int mes_v12_0_allocate_ucode_buffer(struct amdgpu_device *adev,
-- 
2.45.2