Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Michal Wajdeczko | 448 | 59.65% | 21 | 58.33% |
Daniele Ceraolo Spurio | 219 | 29.16% | 8 | 22.22% |
Fernando Pacheco | 26 | 3.46% | 2 | 5.56% |
Michał Winiarski | 25 | 3.33% | 1 | 2.78% |
Yaodong Li | 23 | 3.06% | 1 | 2.78% |
Joonas Lahtinen | 6 | 0.80% | 1 | 2.78% |
Jani Nikula | 3 | 0.40% | 1 | 2.78% |
Anusha Srivatsa | 1 | 0.13% | 1 | 2.78% |
Total | 751 | 36 |
/* SPDX-License-Identifier: MIT */ /* * Copyright © 2014-2019 Intel Corporation */ #ifndef _INTEL_UC_FW_H_ #define _INTEL_UC_FW_H_ #include <linux/types.h> #include "intel_uc_fw_abi.h" #include "intel_device_info.h" #include "i915_gem.h" struct drm_printer; struct drm_i915_private; struct intel_gt; /* Home of GuC, HuC and DMC firmwares */ #define INTEL_UC_FIRMWARE_URL "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915" /* * +------------+---------------------------------------------------+ * | PHASE | FIRMWARE STATUS TRANSITIONS | * +============+===================================================+ * | | UNINITIALIZED | * +------------+- / | \ -+ * | | DISABLED <--/ | \--> NOT_SUPPORTED | * | init_early | V | * | | SELECTED | * +------------+- / | \ -+ * | | MISSING <--/ | \--> ERROR | * | fetch | V | * | | AVAILABLE | * +------------+- | -+ * | init | V | * | | /------> LOADABLE <----<-----------\ | * +------------+- \ / \ \ \ -+ * | | FAIL <--< \--> TRANSFERRED \ | * | upload | \ / \ / | * | | \---------/ \--> RUNNING | * +------------+---------------------------------------------------+ */ enum intel_uc_fw_status { INTEL_UC_FIRMWARE_NOT_SUPPORTED = -1, /* no uc HW */ INTEL_UC_FIRMWARE_UNINITIALIZED = 0, /* used to catch checks done too early */ INTEL_UC_FIRMWARE_DISABLED, /* disabled */ INTEL_UC_FIRMWARE_SELECTED, /* selected the blob we want to load */ INTEL_UC_FIRMWARE_MISSING, /* blob not found on the system */ INTEL_UC_FIRMWARE_ERROR, /* invalid format or version */ INTEL_UC_FIRMWARE_AVAILABLE, /* blob found and copied in mem */ INTEL_UC_FIRMWARE_LOADABLE, /* all fw-required objects are ready */ INTEL_UC_FIRMWARE_FAIL, /* failed to xfer or init/auth the fw */ INTEL_UC_FIRMWARE_TRANSFERRED, /* dma xfer done */ INTEL_UC_FIRMWARE_RUNNING /* init/auth done */ }; enum intel_uc_fw_type { INTEL_UC_FW_TYPE_GUC = 0, INTEL_UC_FW_TYPE_HUC }; #define INTEL_UC_FW_NUM_TYPES 2 /* * This structure encapsulates all the data needed during the process * of fetching, caching, and loading the firmware image into the uC. */ struct intel_uc_fw { enum intel_uc_fw_type type; union { const enum intel_uc_fw_status status; enum intel_uc_fw_status __status; /* no accidental overwrites */ }; const char *path; bool user_overridden; size_t size; struct drm_i915_gem_object *obj; /* * The firmware build process will generate a version header file with major and * minor version defined. The versions are built into CSS header of firmware. * i915 kernel driver set the minimal firmware version required per platform. */ u16 major_ver_wanted; u16 minor_ver_wanted; u16 major_ver_found; u16 minor_ver_found; u32 rsa_size; u32 ucode_size; }; #ifdef CONFIG_DRM_I915_DEBUG_GUC void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw, enum intel_uc_fw_status status); #else static inline void intel_uc_fw_change_status(struct intel_uc_fw *uc_fw, enum intel_uc_fw_status status) { uc_fw->__status = status; } #endif static inline const char *intel_uc_fw_status_repr(enum intel_uc_fw_status status) { switch (status) { case INTEL_UC_FIRMWARE_NOT_SUPPORTED: return "N/A"; case INTEL_UC_FIRMWARE_UNINITIALIZED: return "UNINITIALIZED"; case INTEL_UC_FIRMWARE_DISABLED: return "DISABLED"; case INTEL_UC_FIRMWARE_SELECTED: return "SELECTED"; case INTEL_UC_FIRMWARE_MISSING: return "MISSING"; case INTEL_UC_FIRMWARE_ERROR: return "ERROR"; case INTEL_UC_FIRMWARE_AVAILABLE: return "AVAILABLE"; case INTEL_UC_FIRMWARE_LOADABLE: return "LOADABLE"; case INTEL_UC_FIRMWARE_FAIL: return "FAIL"; case INTEL_UC_FIRMWARE_TRANSFERRED: return "TRANSFERRED"; case INTEL_UC_FIRMWARE_RUNNING: return "RUNNING"; } return "<invalid>"; } static inline int intel_uc_fw_status_to_error(enum intel_uc_fw_status status) { switch (status) { case INTEL_UC_FIRMWARE_NOT_SUPPORTED: return -ENODEV; case INTEL_UC_FIRMWARE_UNINITIALIZED: return -EACCES; case INTEL_UC_FIRMWARE_DISABLED: return -EPERM; case INTEL_UC_FIRMWARE_MISSING: return -ENOENT; case INTEL_UC_FIRMWARE_ERROR: return -ENOEXEC; case INTEL_UC_FIRMWARE_FAIL: return -EIO; case INTEL_UC_FIRMWARE_SELECTED: return -ESTALE; case INTEL_UC_FIRMWARE_AVAILABLE: case INTEL_UC_FIRMWARE_LOADABLE: case INTEL_UC_FIRMWARE_TRANSFERRED: case INTEL_UC_FIRMWARE_RUNNING: return 0; } return -EINVAL; } static inline const char *intel_uc_fw_type_repr(enum intel_uc_fw_type type) { switch (type) { case INTEL_UC_FW_TYPE_GUC: return "GuC"; case INTEL_UC_FW_TYPE_HUC: return "HuC"; } return "uC"; } static inline enum intel_uc_fw_status __intel_uc_fw_status(struct intel_uc_fw *uc_fw) { /* shouldn't call this before checking hw/blob availability */ GEM_BUG_ON(uc_fw->status == INTEL_UC_FIRMWARE_UNINITIALIZED); return uc_fw->status; } static inline bool intel_uc_fw_is_supported(struct intel_uc_fw *uc_fw) { return __intel_uc_fw_status(uc_fw) != INTEL_UC_FIRMWARE_NOT_SUPPORTED; } static inline bool intel_uc_fw_is_enabled(struct intel_uc_fw *uc_fw) { return __intel_uc_fw_status(uc_fw) > INTEL_UC_FIRMWARE_DISABLED; } static inline bool intel_uc_fw_is_available(struct intel_uc_fw *uc_fw) { return __intel_uc_fw_status(uc_fw) >= INTEL_UC_FIRMWARE_AVAILABLE; } static inline bool intel_uc_fw_is_loadable(struct intel_uc_fw *uc_fw) { return __intel_uc_fw_status(uc_fw) >= INTEL_UC_FIRMWARE_LOADABLE; } static inline bool intel_uc_fw_is_loaded(struct intel_uc_fw *uc_fw) { return __intel_uc_fw_status(uc_fw) >= INTEL_UC_FIRMWARE_TRANSFERRED; } static inline bool intel_uc_fw_is_running(struct intel_uc_fw *uc_fw) { return __intel_uc_fw_status(uc_fw) == INTEL_UC_FIRMWARE_RUNNING; } static inline bool intel_uc_fw_is_overridden(const struct intel_uc_fw *uc_fw) { return uc_fw->user_overridden; } static inline void intel_uc_fw_sanitize(struct intel_uc_fw *uc_fw) { if (intel_uc_fw_is_loaded(uc_fw)) intel_uc_fw_change_status(uc_fw, INTEL_UC_FIRMWARE_LOADABLE); } static inline u32 __intel_uc_fw_get_upload_size(struct intel_uc_fw *uc_fw) { return sizeof(struct uc_css_header) + uc_fw->ucode_size; } /** * intel_uc_fw_get_upload_size() - Get size of firmware needed to be uploaded. * @uc_fw: uC firmware. * * Get the size of the firmware and header that will be uploaded to WOPCM. * * Return: Upload firmware size, or zero on firmware fetch failure. */ static inline u32 intel_uc_fw_get_upload_size(struct intel_uc_fw *uc_fw) { if (!intel_uc_fw_is_available(uc_fw)) return 0; return __intel_uc_fw_get_upload_size(uc_fw); } void intel_uc_fw_init_early(struct intel_uc_fw *uc_fw, enum intel_uc_fw_type type, bool supported, enum intel_platform platform, u8 rev); int intel_uc_fw_fetch(struct intel_uc_fw *uc_fw); void intel_uc_fw_cleanup_fetch(struct intel_uc_fw *uc_fw); int intel_uc_fw_upload(struct intel_uc_fw *uc_fw, u32 offset, u32 dma_flags); int intel_uc_fw_init(struct intel_uc_fw *uc_fw); void intel_uc_fw_fini(struct intel_uc_fw *uc_fw); size_t intel_uc_fw_copy_rsa(struct intel_uc_fw *uc_fw, void *dst, u32 max_len); void intel_uc_fw_dump(const struct intel_uc_fw *uc_fw, struct drm_printer *p); #endif
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