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# Copyright 2020 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
# NEED: These descriptions need an actual Intel QAT device or an emulation so we can fuzz deeper into the subsystem.
# /dev/qat_adf_ctl is only the control interface, and currently ioctl$IOCTL_GET_NUM_DEVICES returns 0 on qemu.
include <linux/fcntl.h>
include <drivers/crypto/intel/qat/qat_common/adf_cfg_user.h>
include <drivers/crypto/intel/qat/qat_common/adf_cfg_common.h>
resource fd_qat[fd]
openat$qat_adf_ctl(fd const[AT_FDCWD], file ptr[in, string["/dev/qat_adf_ctl"]], flags flags[open_flags], mode const[0]) fd_qat
ioctl$IOCTL_CONFIG_SYS_RESOURCE_PARAMETERS(fd fd_qat, cmd const[IOCTL_CONFIG_SYS_RESOURCE_PARAMETERS], arg ptr[in, adf_user_cfg_ctl_data])
ioctl$IOCTL_STOP_ACCEL_DEV(fd fd_qat, cmd const[IOCTL_STOP_ACCEL_DEV], arg ptr[in, adf_user_cfg_ctl_data])
ioctl$IOCTL_START_ACCEL_DEV(fd fd_qat, cmd const[IOCTL_START_ACCEL_DEV], arg ptr[in, adf_user_cfg_ctl_data])
ioctl$IOCTL_GET_NUM_DEVICES(fd fd_qat, cmd const[IOCTL_GET_NUM_DEVICES], arg ptr[out, int32])
ioctl$IOCTL_STATUS_ACCEL_DEV(fd fd_qat, cmd const[IOCTL_STATUS_ACCEL_DEV], arg ptr[inout, adf_dev_status_info])
adf_user_cfg_ctl_data {
config_section adf_ptr64[adf_user_cfg_section]
device_id int8
} [packed]
# Section
adf_user_cfg_section {
name string[qat_section_name, ADF_CFG_MAX_SECTION_LEN_IN_BYTES]
params adf_ptr64[adf_user_cfg_key_val_u]
next adf_ptr64[adf_user_cfg_section]
} [packed]
qat_section_name = "GENERAL", "KERNEL", "Accelerator", "Accelerator0", "Accelerator1"
# Key-values
adf_user_cfg_key_val_u [
adf_dec adf_user_cfg_key_val[ADF_DEC, adf_user_cfg_val_dec]
adf_hex adf_user_cfg_key_val[ADF_HEX, adf_user_cfg_val_hex]
adf_str adf_user_cfg_key_val[ADF_STR, adf_user_cfg_val_str]
]
type adf_user_cfg_key_val[TYPE, VAL] {
key adf_user_cfg_key
val VAL
next adf_ptr64[adf_user_cfg_key_val_u]
type const[TYPE, int32]
} [packed]
# Key
adf_user_cfg_key [
normal string[adf_user_cfg_normal_keys, ADF_CFG_MAX_KEY_LEN_IN_BYTES]
format adf_user_cfg_format_keys
bank adf_user_cfg_bank_keys
]
adf_user_cfg_format_keys {
prefix stringnoz[adf_user_cfg_format_keys_prefix]
number stringnoz[adf_user_cfg_numbers]
postfix string[adf_user_cfg_format_keys_postfix, ADF_KEYS_POSTFIX_MAX_LEN]
} [size[ADF_CFG_MAX_KEY_LEN_IN_BYTES]]
adf_user_cfg_bank_keys {
prefix stringnoz["Bank"]
number stringnoz[adf_user_cfg_numbers]
postfix string[adf_user_cfg_bank_keys_postfix, ADF_KEYS_POSTFIX_MAX_LEN]
} [size[ADF_CFG_MAX_KEY_LEN_IN_BYTES]]
adf_user_cfg_normal_keys = "NumberCyInstances", "NumberDcInstances"
adf_user_cfg_numbers = "0", "1", "2", "3", "4", "5"
adf_user_cfg_format_keys_prefix = "Cy", "Dc"
adf_user_cfg_format_keys_postfix = "NumConcurrentSymRequests", "NumConcurrentAsymRequests", "NumConcurrentRequests", "RingAsymTx", "RingSymTx", "RingAsymRx", "RingSymRx", "RingTx", "RingRx", "BankNumber"
adf_user_cfg_bank_keys_postfix = "InterruptCoalescingEnabled", "InterruptCoalescingTimerNs", "InterruptCoalescingNumResponses", "CoreAffinity"
# This constant 32 needs to be at least the length of the longest string in
# adf_user_cfg_format_keys_postfix and adf_user_cfg_bank_keys_postfix
define ADF_KEYS_POSTFIX_MAX_LEN 32
# Value
adf_user_cfg_val_dec {
val fmt[dec, intptr]
null const[0, int8]
} [packed, size[ADF_CFG_MAX_VAL_LEN_IN_BYTES]]
adf_user_cfg_val_hex {
val fmt[hex, intptr]
null const[0, int8]
} [packed, size[ADF_CFG_MAX_VAL_LEN_IN_BYTES]]
adf_user_cfg_val_str {
val array[int8, ADF_CFG_MAX_VAL_LEN_IN_BYTES]
}
# Ptr
type adf_ptr64[T] {
ptr ptr[in, T, opt]
} [size[8]]
adf_dev_status_info {
type flags[adf_device_type, int32]
accel_id int32
instance_id int32
num_ae int8
num_accel int8
num_logical_accel int8
banks_per_accel int8
state int8
bus int8
dev int8
fun int8
name array[int8, MAX_DEVICE_NAME_SIZE]
}
adf_device_type = DEV_UNKNOWN, DEV_DH895XCC, DEV_DH895XCCVF, DEV_C62X, DEV_C62XVF, DEV_C3XXX, DEV_C3XXXVF
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