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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2022 Intel Corporation
*/
#ifndef _XE_UC_FW_H_
#define _XE_UC_FW_H_
#include <linux/errno.h>
#include "xe_macros.h"
#include "xe_uc_fw_abi.h"
#include "xe_uc_fw_types.h"
struct drm_printer;
int xe_uc_fw_init(struct xe_uc_fw *uc_fw);
size_t xe_uc_fw_copy_rsa(struct xe_uc_fw *uc_fw, void *dst, u32 max_len);
int xe_uc_fw_upload(struct xe_uc_fw *uc_fw, u32 offset, u32 dma_flags);
int xe_uc_fw_check_version_requirements(struct xe_uc_fw *uc_fw);
void xe_uc_fw_print(struct xe_uc_fw *uc_fw, struct drm_printer *p);
static inline u32 xe_uc_fw_rsa_offset(struct xe_uc_fw *uc_fw)
{
return sizeof(struct uc_css_header) + uc_fw->ucode_size + uc_fw->css_offset;
}
static inline void xe_uc_fw_change_status(struct xe_uc_fw *uc_fw,
enum xe_uc_fw_status status)
{
uc_fw->__status = status;
}
static inline
const char *xe_uc_fw_status_repr(enum xe_uc_fw_status status)
{
switch (status) {
case XE_UC_FIRMWARE_NOT_SUPPORTED:
return "N/A";
case XE_UC_FIRMWARE_UNINITIALIZED:
return "UNINITIALIZED";
case XE_UC_FIRMWARE_DISABLED:
return "DISABLED";
case XE_UC_FIRMWARE_SELECTED:
return "SELECTED";
case XE_UC_FIRMWARE_MISSING:
return "MISSING";
case XE_UC_FIRMWARE_ERROR:
return "ERROR";
case XE_UC_FIRMWARE_AVAILABLE:
return "AVAILABLE";
case XE_UC_FIRMWARE_INIT_FAIL:
return "INIT FAIL";
case XE_UC_FIRMWARE_LOADABLE:
return "LOADABLE";
case XE_UC_FIRMWARE_LOAD_FAIL:
return "LOAD FAIL";
case XE_UC_FIRMWARE_TRANSFERRED:
return "TRANSFERRED";
case XE_UC_FIRMWARE_RUNNING:
return "RUNNING";
case XE_UC_FIRMWARE_PRELOADED:
return "PRELOADED";
}
return "<invalid>";
}
static inline int xe_uc_fw_status_to_error(enum xe_uc_fw_status status)
{
switch (status) {
case XE_UC_FIRMWARE_NOT_SUPPORTED:
return -ENODEV;
case XE_UC_FIRMWARE_UNINITIALIZED:
return -EACCES;
case XE_UC_FIRMWARE_DISABLED:
return -EPERM;
case XE_UC_FIRMWARE_MISSING:
return -ENOENT;
case XE_UC_FIRMWARE_ERROR:
return -ENOEXEC;
case XE_UC_FIRMWARE_INIT_FAIL:
case XE_UC_FIRMWARE_LOAD_FAIL:
return -EIO;
case XE_UC_FIRMWARE_SELECTED:
return -ESTALE;
case XE_UC_FIRMWARE_AVAILABLE:
case XE_UC_FIRMWARE_LOADABLE:
case XE_UC_FIRMWARE_TRANSFERRED:
case XE_UC_FIRMWARE_RUNNING:
case XE_UC_FIRMWARE_PRELOADED:
return 0;
}
return -EINVAL;
}
static inline const char *xe_uc_fw_type_repr(enum xe_uc_fw_type type)
{
switch (type) {
case XE_UC_FW_TYPE_GUC:
return "GuC";
case XE_UC_FW_TYPE_HUC:
return "HuC";
case XE_UC_FW_TYPE_GSC:
return "GSC";
default:
return "uC";
}
}
static inline enum xe_uc_fw_status
__xe_uc_fw_status(struct xe_uc_fw *uc_fw)
{
/* shouldn't call this before checking hw/blob availability */
XE_WARN_ON(uc_fw->status == XE_UC_FIRMWARE_UNINITIALIZED);
return uc_fw->status;
}
static inline bool xe_uc_fw_is_supported(struct xe_uc_fw *uc_fw)
{
return __xe_uc_fw_status(uc_fw) != XE_UC_FIRMWARE_NOT_SUPPORTED;
}
static inline bool xe_uc_fw_is_enabled(struct xe_uc_fw *uc_fw)
{
return __xe_uc_fw_status(uc_fw) > XE_UC_FIRMWARE_DISABLED;
}
static inline bool xe_uc_fw_is_disabled(struct xe_uc_fw *uc_fw)
{
return __xe_uc_fw_status(uc_fw) == XE_UC_FIRMWARE_DISABLED;
}
static inline bool xe_uc_fw_is_available(struct xe_uc_fw *uc_fw)
{
return __xe_uc_fw_status(uc_fw) >= XE_UC_FIRMWARE_AVAILABLE;
}
static inline bool xe_uc_fw_is_loadable(struct xe_uc_fw *uc_fw)
{
return __xe_uc_fw_status(uc_fw) >= XE_UC_FIRMWARE_LOADABLE &&
__xe_uc_fw_status(uc_fw) != XE_UC_FIRMWARE_PRELOADED;
}
static inline bool xe_uc_fw_is_loaded(struct xe_uc_fw *uc_fw)
{
return __xe_uc_fw_status(uc_fw) >= XE_UC_FIRMWARE_TRANSFERRED;
}
static inline bool xe_uc_fw_is_running(struct xe_uc_fw *uc_fw)
{
return __xe_uc_fw_status(uc_fw) >= XE_UC_FIRMWARE_RUNNING;
}
static inline bool xe_uc_fw_is_overridden(const struct xe_uc_fw *uc_fw)
{
return uc_fw->user_overridden;
}
static inline void xe_uc_fw_sanitize(struct xe_uc_fw *uc_fw)
{
if (xe_uc_fw_is_loaded(uc_fw))
xe_uc_fw_change_status(uc_fw, XE_UC_FIRMWARE_LOADABLE);
}
static inline u32 __xe_uc_fw_get_upload_size(struct xe_uc_fw *uc_fw)
{
return sizeof(struct uc_css_header) + uc_fw->ucode_size;
}
/**
* xe_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 xe_uc_fw_get_upload_size(struct xe_uc_fw *uc_fw)
{
if (!xe_uc_fw_is_available(uc_fw))
return 0;
return __xe_uc_fw_get_upload_size(uc_fw);
}
#define XE_UC_FIRMWARE_URL "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git"
#endif
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