forked from KolibriOS/kolibrios
127 lines
3.9 KiB
C
127 lines
3.9 KiB
C
/*
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* Copyright © 2014 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#ifndef _INTEL_GUC_H_
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#define _INTEL_GUC_H_
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#include "intel_guc_fwif.h"
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#include "i915_guc_reg.h"
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struct i915_guc_client {
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struct drm_i915_gem_object *client_obj;
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struct intel_context *owner;
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struct intel_guc *guc;
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uint32_t priority;
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uint32_t ctx_index;
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uint32_t proc_desc_offset;
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uint32_t doorbell_offset;
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uint32_t cookie;
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uint16_t doorbell_id;
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uint16_t padding; /* Maintain alignment */
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uint32_t wq_offset;
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uint32_t wq_size;
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uint32_t wq_tail;
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/* GuC submission statistics & status */
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uint64_t submissions[I915_NUM_RINGS];
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uint32_t q_fail;
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uint32_t b_fail;
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int retcode;
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};
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enum intel_guc_fw_status {
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GUC_FIRMWARE_FAIL = -1,
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GUC_FIRMWARE_NONE = 0,
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GUC_FIRMWARE_PENDING,
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GUC_FIRMWARE_SUCCESS
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};
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/*
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* This structure encapsulates all the data needed during the process
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* of fetching, caching, and loading the firmware image into the GuC.
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*/
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struct intel_guc_fw {
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struct drm_device * guc_dev;
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const char * guc_fw_path;
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size_t guc_fw_size;
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struct drm_i915_gem_object * guc_fw_obj;
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enum intel_guc_fw_status guc_fw_fetch_status;
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enum intel_guc_fw_status guc_fw_load_status;
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uint16_t guc_fw_major_wanted;
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uint16_t guc_fw_minor_wanted;
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uint16_t guc_fw_major_found;
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uint16_t guc_fw_minor_found;
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uint32_t header_size;
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uint32_t header_offset;
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uint32_t rsa_size;
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uint32_t rsa_offset;
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uint32_t ucode_size;
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uint32_t ucode_offset;
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};
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struct intel_guc {
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struct intel_guc_fw guc_fw;
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uint32_t log_flags;
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struct drm_i915_gem_object *log_obj;
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struct drm_i915_gem_object *ctx_pool_obj;
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struct ida ctx_ids;
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struct i915_guc_client *execbuf_client;
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DECLARE_BITMAP(doorbell_bitmap, GUC_MAX_DOORBELLS);
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uint32_t db_cacheline; /* Cyclic counter mod pagesize */
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/* Action status & statistics */
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uint64_t action_count; /* Total commands issued */
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uint32_t action_cmd; /* Last command word */
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uint32_t action_status; /* Last return status */
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uint32_t action_fail; /* Total number of failures */
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int32_t action_err; /* Last error code */
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uint64_t submissions[I915_NUM_RINGS];
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uint32_t last_seqno[I915_NUM_RINGS];
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};
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/* intel_guc_loader.c */
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extern void intel_guc_ucode_init(struct drm_device *dev);
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extern int intel_guc_ucode_load(struct drm_device *dev);
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extern void intel_guc_ucode_fini(struct drm_device *dev);
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extern const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status);
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extern int intel_guc_suspend(struct drm_device *dev);
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extern int intel_guc_resume(struct drm_device *dev);
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/* i915_guc_submission.c */
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int i915_guc_submission_init(struct drm_device *dev);
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int i915_guc_submission_enable(struct drm_device *dev);
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int i915_guc_submit(struct i915_guc_client *client,
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struct drm_i915_gem_request *rq);
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void i915_guc_submission_disable(struct drm_device *dev);
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void i915_guc_submission_fini(struct drm_device *dev);
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#endif
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