diff options
author | Arkadiusz Hiler <arkadiusz.hiler@intel.com> | 2016-11-25 18:59:33 +0100 |
---|---|---|
committer | Chris Wilson <chris@chris-wilson.co.uk> | 2016-11-25 21:27:10 +0000 |
commit | 8c4f24f95c682352d20c0e7bf1878e390787a7eb (patch) | |
tree | b37e03bdc716bbe1771d634fe6a792d1607fb0e0 /drivers/gpu/drm/i915/intel_guc.h | |
parent | a3f79ca63b9bcf5a527b886953092bfd65e78940 (diff) |
drm/i915: Rename intel_guc.h to intel_uc.h
GuC is not the only one micro controller we have.
There are also HuC and DMC.
Making the file more general will help with code organization.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Michal Winiarski <michal.winiarski@intel.com>
Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/1480096777-12573-2-git-send-email-arkadiusz.hiler@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc.h')
-rw-r--r-- | drivers/gpu/drm/i915/intel_guc.h | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc.h b/drivers/gpu/drm/i915/intel_guc.h deleted file mode 100644 index 02337a81abc2..000000000000 --- a/drivers/gpu/drm/i915/intel_guc.h +++ /dev/null @@ -1,192 +0,0 @@ -/* - * Copyright © 2014 Intel Corporation - * - * 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 (including the next - * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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 _INTEL_GUC_H_ -#define _INTEL_GUC_H_ - -#include "intel_guc_fwif.h" -#include "i915_guc_reg.h" -#include "intel_ringbuffer.h" - -struct drm_i915_gem_request; - -/* - * This structure primarily describes the GEM object shared with the GuC. - * The GEM object is held for the entire lifetime of our interaction with - * the GuC, being allocated before the GuC is loaded with its firmware. - * Because there's no way to update the address used by the GuC after - * initialisation, the shared object must stay pinned into the GGTT as - * long as the GuC is in use. We also keep the first page (only) mapped - * into kernel address space, as it includes shared data that must be - * updated on every request submission. - * - * The single GEM object described here is actually made up of several - * separate areas, as far as the GuC is concerned. The first page (kept - * kmap'd) includes the "process decriptor" which holds sequence data for - * the doorbell, and one cacheline which actually *is* the doorbell; a - * write to this will "ring the doorbell" (i.e. send an interrupt to the - * GuC). The subsequent pages of the client object constitute the work - * queue (a circular array of work items), again described in the process - * descriptor. Work queue pages are mapped momentarily as required. - * - * We also keep a few statistics on failures. Ideally, these should all - * be zero! - * no_wq_space: times that the submission pre-check found no space was - * available in the work queue (note, the queue is shared, - * not per-engine). It is OK for this to be nonzero, but - * it should not be huge! - * q_fail: failed to enqueue a work item. This should never happen, - * because we check for space beforehand. - * b_fail: failed to ring the doorbell. This should never happen, unless - * somehow the hardware misbehaves, or maybe if the GuC firmware - * crashes? We probably need to reset the GPU to recover. - * retcode: errno from last guc_submit() - */ -struct i915_guc_client { - struct i915_vma *vma; - void *vaddr; - struct i915_gem_context *owner; - struct intel_guc *guc; - - uint32_t engines; /* bitmap of (host) engine ids */ - uint32_t priority; - uint32_t ctx_index; - uint32_t proc_desc_offset; - - uint32_t doorbell_offset; - uint32_t cookie; - uint16_t doorbell_id; - uint16_t padding[3]; /* Maintain alignment */ - - spinlock_t wq_lock; - uint32_t wq_offset; - uint32_t wq_size; - uint32_t wq_tail; - uint32_t wq_rsvd; - uint32_t no_wq_space; - uint32_t b_fail; - int retcode; - - /* Per-engine counts of GuC submissions */ - uint64_t submissions[I915_NUM_ENGINES]; -}; - -enum intel_guc_fw_status { - GUC_FIRMWARE_FAIL = -1, - GUC_FIRMWARE_NONE = 0, - GUC_FIRMWARE_PENDING, - GUC_FIRMWARE_SUCCESS -}; - -/* - * This structure encapsulates all the data needed during the process - * of fetching, caching, and loading the firmware image into the GuC. - */ -struct intel_guc_fw { - const char * guc_fw_path; - size_t guc_fw_size; - struct drm_i915_gem_object * guc_fw_obj; - enum intel_guc_fw_status guc_fw_fetch_status; - enum intel_guc_fw_status guc_fw_load_status; - - uint16_t guc_fw_major_wanted; - uint16_t guc_fw_minor_wanted; - uint16_t guc_fw_major_found; - uint16_t guc_fw_minor_found; - - uint32_t header_size; - uint32_t header_offset; - uint32_t rsa_size; - uint32_t rsa_offset; - uint32_t ucode_size; - uint32_t ucode_offset; -}; - -struct intel_guc_log { - uint32_t flags; - struct i915_vma *vma; - void *buf_addr; - struct workqueue_struct *flush_wq; - struct work_struct flush_work; - struct rchan *relay_chan; - - /* logging related stats */ - u32 capture_miss_count; - u32 flush_interrupt_count; - u32 prev_overflow_count[GUC_MAX_LOG_BUFFER]; - u32 total_overflow_count[GUC_MAX_LOG_BUFFER]; - u32 flush_count[GUC_MAX_LOG_BUFFER]; -}; - -struct intel_guc { - struct intel_guc_fw guc_fw; - struct intel_guc_log log; - - /* GuC2Host interrupt related state */ - bool interrupts_enabled; - - struct i915_vma *ads_vma; - struct i915_vma *ctx_pool_vma; - struct ida ctx_ids; - - struct i915_guc_client *execbuf_client; - - DECLARE_BITMAP(doorbell_bitmap, GUC_MAX_DOORBELLS); - uint32_t db_cacheline; /* Cyclic counter mod pagesize */ - - /* Action status & statistics */ - uint64_t action_count; /* Total commands issued */ - uint32_t action_cmd; /* Last command word */ - uint32_t action_status; /* Last return status */ - uint32_t action_fail; /* Total number of failures */ - int32_t action_err; /* Last error code */ - - uint64_t submissions[I915_NUM_ENGINES]; - uint32_t last_seqno[I915_NUM_ENGINES]; - - /* To serialize the Host2GuC actions */ - struct mutex action_lock; -}; - -/* intel_guc_loader.c */ -extern void intel_guc_init(struct drm_device *dev); -extern int intel_guc_setup(struct drm_device *dev); -extern void intel_guc_fini(struct drm_device *dev); -extern const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status); -extern int intel_guc_suspend(struct drm_device *dev); -extern int intel_guc_resume(struct drm_device *dev); - -/* i915_guc_submission.c */ -int i915_guc_submission_init(struct drm_i915_private *dev_priv); -int i915_guc_submission_enable(struct drm_i915_private *dev_priv); -int i915_guc_wq_reserve(struct drm_i915_gem_request *rq); -void i915_guc_wq_unreserve(struct drm_i915_gem_request *request); -void i915_guc_submission_disable(struct drm_i915_private *dev_priv); -void i915_guc_submission_fini(struct drm_i915_private *dev_priv); -void i915_guc_capture_logs(struct drm_i915_private *dev_priv); -void i915_guc_flush_logs(struct drm_i915_private *dev_priv); -void i915_guc_register(struct drm_i915_private *dev_priv); -void i915_guc_unregister(struct drm_i915_private *dev_priv); -int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val); - -#endif |