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crypto: qat - add FCU CSRs to chip info 

Add firmware control unit (FCU) CSRs to chip info so the firmware
authentication code is common between all devices.

Signed-off-by: Jack Xu <jack.xu@intel.com>
Co-developed-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Signed-off-by: Wojciech Ziemba <wojciech.ziemba@intel.com>
Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jack Xu 2020-11-06 19:28:06 +08:00 коммит произвёл Herbert Xu
Родитель 9e0f74b717
Коммит d707d3f23e
3 изменённых файлов: 53 добавлений и 16 удалений
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6
drivers/crypto/qat/qat_common/icp_qat_fw_loader_handle.h
Просмотреть файл

@ -34,6 +34,12 @@ struct icp_qat_fw_loader_chip_info {
u32 wakeup_event_val;
bool fw_auth;
bool css_3k;
u32 fcu_ctl_csr;
u32 fcu_sts_csr;
u32 fcu_dram_addr_hi;
u32 fcu_dram_addr_lo;
u32 fcu_loaded_ae_csr;
u8 fcu_loaded_ae_pos;
};
struct icp_qat_fw_loader_handle {

19
drivers/crypto/qat/qat_common/qat_hal.c
Просмотреть файл

@ -707,6 +707,12 @@ static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle,
handle->chip_info->wakeup_event_val = WAKEUP_EVENT;
handle->chip_info->fw_auth = true;
handle->chip_info->css_3k = false;
handle->chip_info->fcu_ctl_csr = FCU_CONTROL;
handle->chip_info->fcu_sts_csr = FCU_STATUS;
handle->chip_info->fcu_dram_addr_hi = FCU_DRAM_ADDR_HI;
handle->chip_info->fcu_dram_addr_lo = FCU_DRAM_ADDR_LO;
handle->chip_info->fcu_loaded_ae_csr = FCU_STATUS;
handle->chip_info->fcu_loaded_ae_pos = FCU_LOADED_AE_POS;
break;
case PCI_DEVICE_ID_INTEL_QAT_DH895XCC:
handle->chip_info->sram_visible = true;
@ -719,6 +725,12 @@ static int qat_hal_chip_init(struct icp_qat_fw_loader_handle *handle,
handle->chip_info->wakeup_event_val = WAKEUP_EVENT;
handle->chip_info->fw_auth = false;
handle->chip_info->css_3k = false;
handle->chip_info->fcu_ctl_csr = 0;
handle->chip_info->fcu_sts_csr = 0;
handle->chip_info->fcu_dram_addr_hi = 0;
handle->chip_info->fcu_dram_addr_lo = 0;
handle->chip_info->fcu_loaded_ae_csr = 0;
handle->chip_info->fcu_loaded_ae_pos = 0;
break;
default:
ret = -EINVAL;
@ -842,17 +854,20 @@ int qat_hal_start(struct icp_qat_fw_loader_handle *handle)
{
unsigned long ae_mask = handle->hal_handle->ae_mask;
u32 wakeup_val = handle->chip_info->wakeup_event_val;
u32 fcu_ctl_csr, fcu_sts_csr;
unsigned int fcu_sts;
unsigned char ae;
u32 ae_ctr = 0;
int retry = 0;
if (handle->chip_info->fw_auth) {
fcu_ctl_csr = handle->chip_info->fcu_ctl_csr;
fcu_sts_csr = handle->chip_info->fcu_sts_csr;
ae_ctr = hweight32(ae_mask);
SET_CAP_CSR(handle, FCU_CONTROL, FCU_CTRL_CMD_START);
SET_CAP_CSR(handle, fcu_ctl_csr, FCU_CTRL_CMD_START);
do {
msleep(FW_AUTH_WAIT_PERIOD);
fcu_sts = GET_CAP_CSR(handle, FCU_STATUS);
fcu_sts = GET_CAP_CSR(handle, fcu_sts_csr);
if (((fcu_sts >> FCU_STS_DONE_POS) & 0x1))
return ae_ctr;
} while (retry++ < FW_AUTH_MAX_RETRY);

44
drivers/crypto/qat/qat_common/qat_uclo.c
Просмотреть файл

@ -1190,18 +1190,26 @@ static int qat_uclo_map_suof(struct icp_qat_fw_loader_handle *handle,
static int qat_uclo_auth_fw(struct icp_qat_fw_loader_handle *handle,
struct icp_qat_fw_auth_desc *desc)
{
unsigned int fcu_sts, retry = 0;
u32 fcu_sts, retry = 0;
u32 fcu_ctl_csr, fcu_sts_csr;
u32 fcu_dram_hi_csr, fcu_dram_lo_csr;
u64 bus_addr;
bus_addr = ADD_ADDR(desc->css_hdr_high, desc->css_hdr_low)
- sizeof(struct icp_qat_auth_chunk);
SET_CAP_CSR(handle, FCU_DRAM_ADDR_HI, (bus_addr >> BITS_IN_DWORD));
SET_CAP_CSR(handle, FCU_DRAM_ADDR_LO, bus_addr);
SET_CAP_CSR(handle, FCU_CONTROL, FCU_CTRL_CMD_AUTH);
fcu_ctl_csr = handle->chip_info->fcu_ctl_csr;
fcu_sts_csr = handle->chip_info->fcu_sts_csr;
fcu_dram_hi_csr = handle->chip_info->fcu_dram_addr_hi;
fcu_dram_lo_csr = handle->chip_info->fcu_dram_addr_lo;
SET_CAP_CSR(handle, fcu_dram_hi_csr, (bus_addr >> BITS_IN_DWORD));
SET_CAP_CSR(handle, fcu_dram_lo_csr, bus_addr);
SET_CAP_CSR(handle, fcu_ctl_csr, FCU_CTRL_CMD_AUTH);
do {
msleep(FW_AUTH_WAIT_PERIOD);
fcu_sts = GET_CAP_CSR(handle, FCU_STATUS);
fcu_sts = GET_CAP_CSR(handle, fcu_sts_csr);
if ((fcu_sts & FCU_AUTH_STS_MASK) == FCU_STS_VERI_FAIL)
goto auth_fail;
if (((fcu_sts >> FCU_STS_AUTHFWLD_POS) & 0x1))
@ -1369,11 +1377,16 @@ static int qat_uclo_map_auth_fw(struct icp_qat_fw_loader_handle *handle,
static int qat_uclo_load_fw(struct icp_qat_fw_loader_handle *handle,
struct icp_qat_fw_auth_desc *desc)
{
unsigned int i;
unsigned int fcu_sts;
struct icp_qat_simg_ae_mode *virt_addr;
unsigned int fcu_loaded_ae_pos = FCU_LOADED_AE_POS;
unsigned long ae_mask = handle->hal_handle->ae_mask;
u32 fcu_sts_csr, fcu_ctl_csr;
u32 loaded_aes, loaded_csr;
unsigned int i;
u32 fcu_sts;
fcu_ctl_csr = handle->chip_info->fcu_ctl_csr;
fcu_sts_csr = handle->chip_info->fcu_sts_csr;
loaded_csr = handle->chip_info->fcu_loaded_ae_csr;
virt_addr = (void *)((uintptr_t)desc +
sizeof(struct icp_qat_auth_chunk) +
@ -1389,16 +1402,19 @@ static int qat_uclo_load_fw(struct icp_qat_fw_loader_handle *handle,
pr_err("QAT: AE %d is active\n", i);
return -EINVAL;
}
SET_CAP_CSR(handle, FCU_CONTROL,
SET_CAP_CSR(handle, fcu_ctl_csr,
(FCU_CTRL_CMD_LOAD | (i << FCU_CTRL_AE_POS)));
do {
msleep(FW_AUTH_WAIT_PERIOD);
fcu_sts = GET_CAP_CSR(handle, FCU_STATUS);
if (((fcu_sts & FCU_AUTH_STS_MASK) ==
FCU_STS_LOAD_DONE) &&
((fcu_sts >> fcu_loaded_ae_pos) & (1 << i)))
break;
fcu_sts = GET_CAP_CSR(handle, fcu_sts_csr);
if ((fcu_sts & FCU_AUTH_STS_MASK) ==
FCU_STS_LOAD_DONE) {
loaded_aes = GET_CAP_CSR(handle, loaded_csr);
loaded_aes >>= handle->chip_info->fcu_loaded_ae_pos;
if (loaded_aes & (1 << i))
break;
}
} while (retry++ < FW_AUTH_MAX_RETRY);
if (retry > FW_AUTH_MAX_RETRY) {
pr_err("QAT: firmware load failed timeout %x\n", retry);