linux_dsm_epyc7002/drivers/gpu/drm/i915/intel_huc.h
Michal Wajdeczko f7dc0157e4 drm/i915/uc: Fetch GuC/HuC firmwares from guc/huc specific init
We're fetching GuC/HuC firmwares directly from uc level during
init_early stage but this breaks guc/huc struct isolation and
also strict SW-only initialization rule for init_early. Move fw
fetching to init phase and do it separately per guc/huc struct.

v2: don't forget to move wopcm_init - Michele
v3: fetch in init_misc phase - Michal

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com> #2
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180628141522.62788-2-michal.wajdeczko@intel.com
2018-06-28 22:51:33 +01:00

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/*
* 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_HUC_H_
#define _INTEL_HUC_H_
#include "intel_uc_fw.h"
#include "intel_huc_fw.h"
struct intel_huc {
/* Generic uC firmware management */
struct intel_uc_fw fw;
/* HuC-specific additions */
};
void intel_huc_init_early(struct intel_huc *huc);
int intel_huc_init_misc(struct intel_huc *huc);
int intel_huc_auth(struct intel_huc *huc);
int intel_huc_check_status(struct intel_huc *huc);
static inline void intel_huc_fini_misc(struct intel_huc *huc)
{
intel_uc_fw_fini(&huc->fw);
}
static inline int intel_huc_sanitize(struct intel_huc *huc)
{
intel_uc_fw_sanitize(&huc->fw);
return 0;
}
#endif