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 <[email protected]> Reviewed-by: Fiona Trahe <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
josf · Nov 20, 2020 · e73916f · e73916f
1 parent ff81072
commit e73916f
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Showing 2 changed files with 56 additions and 5 deletions.
diff --git 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
@@ -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;
 	}