linux/drivers/gpu/drm/i915/intel_guc.h
Michal Wajdeczko 9bf384c5f2 drm/i915/guc: Move GuC core definitions into dedicated files
Move GuC core definitions into dedicated files as we want to
keep GuC specific code in separated files.

v2: move all functions in single patch (Joonas)
    fix old checkpatch issues (Sagar)

v3: rebased

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com> #1
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171004181343.66348-4-michal.wajdeczko@intel.com
2017-10-06 09:37:20 +03:00

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C

/*
* Copyright © 2014-2017 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_uncore.h"
#include "intel_guc_fwif.h"
#include "intel_guc_ct.h"
#include "intel_guc_log.h"
#include "intel_uc_fw.h"
#include "i915_guc_reg.h"
#include "i915_vma.h"
struct intel_guc {
struct intel_uc_fw fw;
struct intel_guc_log log;
struct intel_guc_ct ct;
/* Log snapshot if GuC errors during load */
struct drm_i915_gem_object *load_err_log;
/* intel_guc_recv interrupt related state */
bool interrupts_enabled;
struct i915_vma *ads_vma;
struct i915_vma *stage_desc_pool;
void *stage_desc_pool_vaddr;
struct ida stage_ids;
struct i915_guc_client *execbuf_client;
DECLARE_BITMAP(doorbell_bitmap, GUC_NUM_DOORBELLS);
uint32_t db_cacheline; /* Cyclic counter mod pagesize */
/* GuC's FW specific registers used in MMIO send */
struct {
u32 base;
unsigned int count;
enum forcewake_domains fw_domains;
} send_regs;
/* To serialize the intel_guc_send actions */
struct mutex send_mutex;
/* GuC's FW specific send function */
int (*send)(struct intel_guc *guc, const u32 *data, u32 len);
/* GuC's FW specific notify function */
void (*notify)(struct intel_guc *guc);
};
static
inline int intel_guc_send(struct intel_guc *guc, const u32 *action, u32 len)
{
return guc->send(guc, action, len);
}
static inline void intel_guc_notify(struct intel_guc *guc)
{
guc->notify(guc);
}
static inline u32 guc_ggtt_offset(struct i915_vma *vma)
{
u32 offset = i915_ggtt_offset(vma);
GEM_BUG_ON(offset < GUC_WOPCM_TOP);
GEM_BUG_ON(range_overflows_t(u64, offset, vma->size, GUC_GGTT_TOP));
return offset;
}
void intel_guc_init_early(struct intel_guc *guc);
void intel_guc_init_send_regs(struct intel_guc *guc);
int intel_guc_send_nop(struct intel_guc *guc, const u32 *action, u32 len);
int intel_guc_send_mmio(struct intel_guc *guc, const u32 *action, u32 len);
int intel_guc_sample_forcewake(struct intel_guc *guc);
int intel_guc_auth_huc(struct intel_guc *guc, u32 rsa_offset);
int intel_guc_suspend(struct drm_i915_private *dev_priv);
int intel_guc_resume(struct drm_i915_private *dev_priv);
struct i915_vma *intel_guc_allocate_vma(struct intel_guc *guc, u32 size);
int intel_guc_select_fw(struct intel_guc *guc);
int intel_guc_init_hw(struct intel_guc *guc);
u32 intel_guc_wopcm_size(struct drm_i915_private *dev_priv);
#endif