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 */
48 /* GuC submission statistics & status */
49 uint64_t submissions[I915_NUM_RINGS];
55 enum intel_guc_fw_status {
56 GUC_FIRMWARE_FAIL = -1,
57 GUC_FIRMWARE_NONE = 0,
63 * This structure encapsulates all the data needed during the process
64 * of fetching, caching, and loading the firmware image into the GuC.
67 struct drm_device * guc_dev;
68 const char * guc_fw_path;
70 struct drm_i915_gem_object * guc_fw_obj;
71 enum intel_guc_fw_status guc_fw_fetch_status;
72 enum intel_guc_fw_status guc_fw_load_status;
74 uint16_t guc_fw_major_wanted;
75 uint16_t guc_fw_minor_wanted;
76 uint16_t guc_fw_major_found;
77 uint16_t guc_fw_minor_found;
80 uint32_t header_offset;
84 uint32_t ucode_offset;
88 struct intel_guc_fw guc_fw;
90 struct drm_i915_gem_object *log_obj;
92 struct drm_i915_gem_object *ads_obj;
94 struct drm_i915_gem_object *ctx_pool_obj;
97 struct i915_guc_client *execbuf_client;
99 DECLARE_BITMAP(doorbell_bitmap, GUC_MAX_DOORBELLS);
100 uint32_t db_cacheline; /* Cyclic counter mod pagesize */
102 /* Action status & statistics */
103 uint64_t action_count; /* Total commands issued */
104 uint32_t action_cmd; /* Last command word */
105 uint32_t action_status; /* Last return status */
106 uint32_t action_fail; /* Total number of failures */
107 int32_t action_err; /* Last error code */
109 uint64_t submissions[I915_NUM_RINGS];
110 uint32_t last_seqno[I915_NUM_RINGS];
113 /* intel_guc_loader.c */
114 extern void intel_guc_ucode_init(struct drm_device *dev);
115 extern int intel_guc_ucode_load(struct drm_device *dev);
116 extern void intel_guc_ucode_fini(struct drm_device *dev);
117 extern const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status);
118 extern int intel_guc_suspend(struct drm_device *dev);
119 extern int intel_guc_resume(struct drm_device *dev);
121 /* i915_guc_submission.c */
122 int i915_guc_submission_init(struct drm_device *dev);
123 int i915_guc_submission_enable(struct drm_device *dev);
124 int i915_guc_submit(struct i915_guc_client *client,
125 struct drm_i915_gem_request *rq);
126 void i915_guc_submission_disable(struct drm_device *dev);
127 void i915_guc_submission_fini(struct drm_device *dev);
128 int i915_guc_wq_check_space(struct i915_guc_client *client);