2 * Copyright © 2014 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
27 #include "intel_guc_fwif.h"
28 #include "i915_guc_reg.h"
30 struct i915_guc_client {
31 struct drm_i915_gem_object *client_obj;
32 struct intel_context *owner;
33 struct intel_guc *guc;
37 uint32_t proc_desc_offset;
38 uint32_t doorbell_offset;
41 uint16_t padding; /* Maintain alignment */
47 /* GuC submission statistics & status */
48 uint64_t submissions[I915_NUM_RINGS];
54 enum intel_guc_fw_status {
55 GUC_FIRMWARE_FAIL = -1,
56 GUC_FIRMWARE_NONE = 0,
62 * This structure encapsulates all the data needed during the process
63 * of fetching, caching, and loading the firmware image into the GuC.
66 struct drm_device * guc_dev;
67 const char * guc_fw_path;
69 struct drm_i915_gem_object * guc_fw_obj;
70 enum intel_guc_fw_status guc_fw_fetch_status;
71 enum intel_guc_fw_status guc_fw_load_status;
73 uint16_t guc_fw_major_wanted;
74 uint16_t guc_fw_minor_wanted;
75 uint16_t guc_fw_major_found;
76 uint16_t guc_fw_minor_found;
79 uint32_t header_offset;
83 uint32_t ucode_offset;
87 struct intel_guc_fw guc_fw;
89 struct drm_i915_gem_object *log_obj;
91 struct drm_i915_gem_object *ctx_pool_obj;
94 struct i915_guc_client *execbuf_client;
96 DECLARE_BITMAP(doorbell_bitmap, GUC_MAX_DOORBELLS);
97 uint32_t db_cacheline; /* Cyclic counter mod pagesize */
99 /* Action status & statistics */
100 uint64_t action_count; /* Total commands issued */
101 uint32_t action_cmd; /* Last command word */
102 uint32_t action_status; /* Last return status */
103 uint32_t action_fail; /* Total number of failures */
104 int32_t action_err; /* Last error code */
106 uint64_t submissions[I915_NUM_RINGS];
107 uint32_t last_seqno[I915_NUM_RINGS];
110 /* intel_guc_loader.c */
111 extern void intel_guc_ucode_init(struct drm_device *dev);
112 extern int intel_guc_ucode_load(struct drm_device *dev);
113 extern void intel_guc_ucode_fini(struct drm_device *dev);
114 extern const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status);
115 extern int intel_guc_suspend(struct drm_device *dev);
116 extern int intel_guc_resume(struct drm_device *dev);
118 /* i915_guc_submission.c */
119 int i915_guc_submission_init(struct drm_device *dev);
120 int i915_guc_submission_enable(struct drm_device *dev);
121 int i915_guc_submit(struct i915_guc_client *client,
122 struct drm_i915_gem_request *rq);
123 void i915_guc_submission_disable(struct drm_device *dev);
124 void i915_guc_submission_fini(struct drm_device *dev);