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authorChristian König <christian.koenig@amd.com>2017-12-18 18:53:03 +0300
committerAlex Deucher <alexander.deucher@amd.com>2017-12-27 19:33:52 +0300
commit620f774f4687d86c420152309eefb0ef0fcc7e51 (patch)
tree1fe01558fe35ae905eebd299b55e57abc31d8ff7 /drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h
parentdf2869abd92b740af141ee2eb081bfc69bd80877 (diff)
downloadlinux-620f774f4687d86c420152309eefb0ef0fcc7e51.tar.xz
drm/amdgpu: separate VMID and PASID handling
Move both into the new files amdgpu_ids.[ch]. No functional change. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h
new file mode 100644
index 000000000000..ad931fa570b3
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ids.h
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2017 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __AMDGPU_IDS_H__
+#define __AMDGPU_IDS_H__
+
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/list.h>
+#include <linux/dma-fence.h>
+
+#include "amdgpu_sync.h"
+
+/* maximum number of VMIDs */
+#define AMDGPU_NUM_VMID 16
+
+struct amdgpu_device;
+struct amdgpu_vm;
+struct amdgpu_ring;
+struct amdgpu_sync;
+struct amdgpu_job;
+
+struct amdgpu_vmid {
+ struct list_head list;
+ struct amdgpu_sync active;
+ struct dma_fence *last_flush;
+ atomic64_t owner;
+
+ uint64_t pd_gpu_addr;
+ /* last flushed PD/PT update */
+ struct dma_fence *flushed_updates;
+
+ uint32_t current_gpu_reset_count;
+
+ uint32_t gds_base;
+ uint32_t gds_size;
+ uint32_t gws_base;
+ uint32_t gws_size;
+ uint32_t oa_base;
+ uint32_t oa_size;
+};
+
+struct amdgpu_vmid_mgr {
+ struct mutex lock;
+ unsigned num_ids;
+ struct list_head ids_lru;
+ struct amdgpu_vmid ids[AMDGPU_NUM_VMID];
+ atomic_t reserved_vmid_num;
+};
+
+int amdgpu_pasid_alloc(unsigned int bits);
+void amdgpu_pasid_free(unsigned int pasid);
+
+bool amdgpu_vmid_had_gpu_reset(struct amdgpu_device *adev,
+ struct amdgpu_vmid *id);
+int amdgpu_vmid_alloc_reserved(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm,
+ unsigned vmhub);
+void amdgpu_vmid_free_reserved(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm,
+ unsigned vmhub);
+int amdgpu_vmid_grab(struct amdgpu_vm *vm, struct amdgpu_ring *ring,
+ struct amdgpu_sync *sync, struct dma_fence *fence,
+ struct amdgpu_job *job);
+void amdgpu_vmid_reset(struct amdgpu_device *adev, unsigned vmhub,
+ unsigned vmid);
+void amdgpu_vmid_reset_all(struct amdgpu_device *adev);
+
+void amdgpu_vmid_mgr_init(struct amdgpu_device *adev);
+void amdgpu_vmid_mgr_fini(struct amdgpu_device *adev);
+
+#endif