diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c index 2ca3c329de6d..2d4b67175b55 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fw_attestation.c @@ -32,17 +32,15 @@ #include "soc15_common.h" #define FW_ATTESTATION_DB_COOKIE 0x143b6a37 -#define FW_ATTESTATION_RECORD_VALID 1 +#define FW_ATTESTATION_RECORD_VALID 1 #define FW_ATTESTATION_MAX_SIZE 4096 -typedef struct FW_ATT_DB_HEADER -{ +struct FW_ATT_DB_HEADER { uint32_t AttDbVersion; /* version of the fwar feature */ uint32_t AttDbCookie; /* cookie as an extra check for corrupt data */ -} FW_ATT_DB_HEADER; +}; -typedef struct FW_ATT_RECORD -{ +struct FW_ATT_RECORD { uint16_t AttFwIdV1; /* Legacy FW Type field */ uint16_t AttFwIdV2; /* V2 FW ID field */ uint32_t AttFWVersion; /* FW Version */ @@ -50,7 +48,7 @@ typedef struct FW_ATT_RECORD uint8_t AttSource; /* FW source indicator */ uint8_t RecordValid; /* Indicates whether the record is a valid entry */ uint32_t AttFwTaId; /* Ta ID (only in TA Attestation Table) */ -} FW_ATT_RECORD; +}; static ssize_t amdgpu_fw_attestation_debugfs_read(struct file *f, char __user *buf, @@ -60,15 +58,15 @@ static ssize_t amdgpu_fw_attestation_debugfs_read(struct file *f, struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private; uint64_t records_addr = 0; uint64_t vram_pos = 0; - FW_ATT_DB_HEADER fw_att_hdr = {0}; - FW_ATT_RECORD fw_att_record = {0}; + struct FW_ATT_DB_HEADER fw_att_hdr = {0}; + struct FW_ATT_RECORD fw_att_record = {0}; - if (size < sizeof(FW_ATT_RECORD)) { + if (size < sizeof(struct FW_ATT_RECORD)) { DRM_WARN("FW attestation input buffer not enough memory"); return -EINVAL; } - if ((*pos + sizeof(FW_ATT_DB_HEADER)) >= FW_ATTESTATION_MAX_SIZE) { + if ((*pos + sizeof(struct FW_ATT_DB_HEADER)) >= FW_ATTESTATION_MAX_SIZE) { DRM_WARN("FW attestation out of bounds"); return 0; } @@ -83,8 +81,8 @@ static ssize_t amdgpu_fw_attestation_debugfs_read(struct file *f, if (*pos == 0) { amdgpu_device_vram_access(adev, vram_pos, - (uint32_t*)&fw_att_hdr, - sizeof(FW_ATT_DB_HEADER), + (uint32_t *)&fw_att_hdr, + sizeof(struct FW_ATT_DB_HEADER), false); if (fw_att_hdr.AttDbCookie != FW_ATTESTATION_DB_COOKIE) { @@ -96,20 +94,20 @@ static ssize_t amdgpu_fw_attestation_debugfs_read(struct file *f, } amdgpu_device_vram_access(adev, - vram_pos + sizeof(FW_ATT_DB_HEADER) + *pos, - (uint32_t*)&fw_att_record, - sizeof(FW_ATT_RECORD), + vram_pos + sizeof(struct FW_ATT_DB_HEADER) + *pos, + (uint32_t *)&fw_att_record, + sizeof(struct FW_ATT_RECORD), false); if (fw_att_record.RecordValid != FW_ATTESTATION_RECORD_VALID) return 0; - if (copy_to_user(buf, (void*)&fw_att_record, sizeof(FW_ATT_RECORD))) + if (copy_to_user(buf, (void *)&fw_att_record, sizeof(struct FW_ATT_RECORD))) return -EINVAL; - *pos += sizeof(FW_ATT_RECORD); + *pos += sizeof(struct FW_ATT_RECORD); - return sizeof(FW_ATT_RECORD); + return sizeof(struct FW_ATT_RECORD); } static const struct file_operations amdgpu_fw_attestation_debugfs_ops = { @@ -136,7 +134,7 @@ void amdgpu_fw_attestation_debugfs_init(struct amdgpu_device *adev) return; debugfs_create_file("amdgpu_fw_attestation", - S_IRUSR, + 0400, adev_to_drm(adev)->primary->debugfs_root, adev, &amdgpu_fw_attestation_debugfs_ops); |