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authorGiovanni Cabiddu <giovanni.cabiddu@intel.com>2020-11-13 19:46:41 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2020-11-20 06:45:34 +0300
commite73916f20829be09932326ab0c9627b29df553e8 (patch)
tree959537e28f27126cccfc37e6224ab9c6279fa1a3 /drivers/crypto/qat
parentff8107200367f4abe0e5bce66a245e8d0f2d229e (diff)
downloadlinux-e73916f20829be09932326ab0c9627b29df553e8.tar.xz
crypto: qat - target fw images to specific AEs
Introduce support for devices that require multiple firmware images. If a device requires more than a firmware image to operate, load the image to the appropriate Acceleration Engine (AE). Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Fiona Trahe <fiona.trahe@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_devices.h3
-rw-r--r--drivers/crypto/qat/qat_common/adf_accel_engine.c58
2 files changed, 56 insertions, 5 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_accel_devices.h b/drivers/crypto/qat/qat_common/adf_accel_devices.h
index 5694422ec66c..1484f10dbfdf 100644
--- a/drivers/crypto/qat/qat_common/adf_accel_devices.h
+++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h
@@ -175,6 +175,9 @@ struct adf_hw_device_data {
void (*enable_ints)(struct adf_accel_dev *accel_dev);
int (*enable_vf2pf_comms)(struct adf_accel_dev *accel_dev);
void (*reset_device)(struct adf_accel_dev *accel_dev);
+ char *(*uof_get_name)(u32 obj_num);
+ u32 (*uof_get_num_objs)(void);
+ u32 (*uof_get_ae_mask)(u32 obj_num);
struct adf_hw_csr_ops csr_ops;
const char *fw_name;
const char *fw_mmp_name;
diff --git a/drivers/crypto/qat/qat_common/adf_accel_engine.c b/drivers/crypto/qat/qat_common/adf_accel_engine.c
index 08aaaf2b4659..ca4eae8cdd0b 100644
--- a/drivers/crypto/qat/qat_common/adf_accel_engine.c
+++ b/drivers/crypto/qat/qat_common/adf_accel_engine.c
@@ -7,12 +7,55 @@
#include "adf_common_drv.h"
#include "icp_qat_uclo.h"
+static int adf_ae_fw_load_images(struct adf_accel_dev *accel_dev, void *fw_addr,
+ u32 fw_size)
+{
+ struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
+ struct adf_hw_device_data *hw_device = accel_dev->hw_device;
+ struct icp_qat_fw_loader_handle *loader;
+ char *obj_name;
+ u32 num_objs;
+ u32 ae_mask;
+ int i;
+
+ loader = loader_data->fw_loader;
+ num_objs = hw_device->uof_get_num_objs();
+
+ for (i = 0; i < num_objs; i++) {
+ obj_name = hw_device->uof_get_name(i);
+ ae_mask = hw_device->uof_get_ae_mask(i);
+
+ if (qat_uclo_set_cfg_ae_mask(loader, ae_mask)) {
+ dev_err(&GET_DEV(accel_dev),
+ "Invalid mask for UOF image\n");
+ goto out_err;
+ }
+ if (qat_uclo_map_obj(loader, fw_addr, fw_size, obj_name)) {
+ dev_err(&GET_DEV(accel_dev),
+ "Failed to map UOF firmware\n");
+ goto out_err;
+ }
+ if (qat_uclo_wr_all_uimage(loader)) {
+ dev_err(&GET_DEV(accel_dev),
+ "Failed to load UOF firmware\n");
+ goto out_err;
+ }
+ qat_uclo_del_obj(loader);
+ }
+
+ return 0;
+
+out_err:
+ adf_ae_fw_release(accel_dev);
+ return -EFAULT;
+}
+
int adf_ae_fw_load(struct adf_accel_dev *accel_dev)
{
struct adf_fw_loader_data *loader_data = accel_dev->fw_loader;
struct adf_hw_device_data *hw_device = accel_dev->hw_device;
- void *uof_addr, *mmp_addr;
- u32 uof_size, mmp_size;
+ void *fw_addr, *mmp_addr;
+ u32 fw_size, mmp_size;
if (!hw_device->fw_name)
return 0;
@@ -30,15 +73,20 @@ int adf_ae_fw_load(struct adf_accel_dev *accel_dev)
goto out_err;
}
- uof_size = loader_data->uof_fw->size;
- uof_addr = (void *)loader_data->uof_fw->data;
+ fw_size = loader_data->uof_fw->size;
+ fw_addr = (void *)loader_data->uof_fw->data;
mmp_size = loader_data->mmp_fw->size;
mmp_addr = (void *)loader_data->mmp_fw->data;
+
if (qat_uclo_wr_mimage(loader_data->fw_loader, mmp_addr, mmp_size)) {
dev_err(&GET_DEV(accel_dev), "Failed to load MMP\n");
goto out_err;
}
- if (qat_uclo_map_obj(loader_data->fw_loader, uof_addr, uof_size, NULL)) {
+
+ if (hw_device->uof_get_num_objs)
+ return adf_ae_fw_load_images(accel_dev, fw_addr, fw_size);
+
+ if (qat_uclo_map_obj(loader_data->fw_loader, fw_addr, fw_size, NULL)) {
dev_err(&GET_DEV(accel_dev), "Failed to map FW\n");
goto out_err;
}