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authorJack Xu <jack.xu@intel.com>2020-11-06 14:27:49 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2020-11-13 12:38:50 +0300
commit10fb050caef99d75895bf0978188090d3ed676c2 (patch)
treef8d86b1e04d134c57472104963e41f85b00151f9 /drivers/crypto/qat
parent82b3230658a90e60c36b426b4ca8d176c4d7ebc8 (diff)
downloadlinux-10fb050caef99d75895bf0978188090d3ed676c2.tar.xz
crypto: qat - refactor AE start
Change the API and the behaviour of the qat_hal_start() function. With this change, the function starts under the hood all acceleration engines (AEs) and there is no longer need to call it for each engine. 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>
Diffstat (limited to 'drivers/crypto/qat')
-rw-r--r--drivers/crypto/qat/qat_common/adf_accel_engine.c9
-rw-r--r--drivers/crypto/qat/qat_common/adf_common_drv.h3
-rw-r--r--drivers/crypto/qat/qat_common/qat_hal.c24
3 files changed, 18 insertions, 18 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_accel_engine.c b/drivers/crypto/qat/qat_common/adf_accel_engine.c
index 2c4a8c7c736e..08aaaf2b4659 100644
--- a/drivers/crypto/qat/qat_common/adf_accel_engine.c
+++ b/drivers/crypto/qat/qat_common/adf_accel_engine.c
@@ -74,17 +74,12 @@ int adf_ae_start(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
struct adf_hw_device_data *hw_data = accel_dev->hw_device;
- u32 ae_ctr, ae, max_aes = GET_MAX_ACCELENGINES(accel_dev);
+ u32 ae_ctr;
if (!hw_data->fw_name)
return 0;
- for (ae = 0, ae_ctr = 0; ae < max_aes; ae++) {
- if (hw_data->ae_mask & (1 << ae)) {
- qat_hal_start(loader_data->fw_loader, ae, 0xFF);
- ae_ctr++;
- }
- }
+ ae_ctr = qat_hal_start(loader_data->fw_loader);
dev_info(&GET_DEV(accel_dev),
"qat_dev%d started %d acceleration engines\n",
accel_dev->accel_id, ae_ctr);
diff --git a/drivers/crypto/qat/qat_common/adf_common_drv.h b/drivers/crypto/qat/qat_common/adf_common_drv.h
index 8109e2ab4257..945608b71937 100644
--- a/drivers/crypto/qat/qat_common/adf_common_drv.h
+++ b/drivers/crypto/qat/qat_common/adf_common_drv.h
@@ -133,8 +133,7 @@ void adf_vf_isr_resource_free(struct adf_accel_dev *accel_dev);
int qat_hal_init(struct adf_accel_dev *accel_dev);
void qat_hal_deinit(struct icp_qat_fw_loader_handle *handle);
-void qat_hal_start(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
- unsigned int ctx_mask);
+int qat_hal_start(struct icp_qat_fw_loader_handle *handle);
void qat_hal_stop(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
unsigned int ctx_mask);
void qat_hal_reset(struct icp_qat_fw_loader_handle *handle);
diff --git a/drivers/crypto/qat/qat_common/qat_hal.c b/drivers/crypto/qat/qat_common/qat_hal.c
index a9243758a959..f127233eec17 100644
--- a/drivers/crypto/qat/qat_common/qat_hal.c
+++ b/drivers/crypto/qat/qat_common/qat_hal.c
@@ -742,26 +742,32 @@ void qat_hal_deinit(struct icp_qat_fw_loader_handle *handle)
kfree(handle);
}
-void qat_hal_start(struct icp_qat_fw_loader_handle *handle, unsigned char ae,
- unsigned int ctx_mask)
+int qat_hal_start(struct icp_qat_fw_loader_handle *handle)
{
+ unsigned long ae_mask = handle->hal_handle->ae_mask;
+ unsigned int fcu_sts;
+ unsigned char ae;
+ u32 ae_ctr = 0;
int retry = 0;
- unsigned int fcu_sts = 0;
if (handle->fw_auth) {
+ ae_ctr = hweight32(ae_mask);
SET_CAP_CSR(handle, FCU_CONTROL, FCU_CTRL_CMD_START);
do {
msleep(FW_AUTH_WAIT_PERIOD);
fcu_sts = GET_CAP_CSR(handle, FCU_STATUS);
if (((fcu_sts >> FCU_STS_DONE_POS) & 0x1))
- return;
+ return ae_ctr;
} while (retry++ < FW_AUTH_MAX_RETRY);
- pr_err("QAT: start error (AE 0x%x FCU_STS = 0x%x)\n", ae,
- fcu_sts);
+ pr_err("QAT: start error (FCU_STS = 0x%x)\n", fcu_sts);
+ return 0;
} else {
- qat_hal_put_wakeup_event(handle, ae, (~ctx_mask) &
- ICP_QAT_UCLO_AE_ALL_CTX, 0x10000);
- qat_hal_enable_ctx(handle, ae, ctx_mask);
+ for_each_set_bit(ae, &ae_mask, handle->hal_handle->ae_max_num) {
+ qat_hal_put_wakeup_event(handle, ae, 0, 0x10000);
+ qat_hal_enable_ctx(handle, ae, ICP_QAT_UCLO_AE_ALL_CTX);
+ ae_ctr++;
+ }
+ return ae_ctr;
}
}