Commit e0441e2b authored by Giovanni Cabiddu's avatar Giovanni Cabiddu Committed by Herbert Xu
Browse files

crypto: qat - get compression extended capabilities 



Get compression extended capabilities mask from firmware through the
init/admin channel.
These capabilities are stored in the accel_dev structure and will be
communicated to VF through the PFVF channel.

Signed-off-by: default avatarGiovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: default avatarMarco Chiappero <marco.chiappero@intel.com>
Reviewed-by: default avatarFiona Trahe <fiona.trahe@intel.com>
Reviewed-by: default avatarMarco Chiappero <marco.chiappero@intel.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 3954ab6d

drivers/crypto/qat/qat_common/adf_accel_devices.h

+1 −0
Original line number Diff line number Diff line
@@ -198,6 +198,7 @@ struct adf_hw_device_data { 
	u32 fuses;

	u32 straps;

	u32 accel_capabilities_mask;

	u32 extended_dc_capabilities;

	u32 instance_id;

	u16 accel_mask;

	u32 ae_mask;

drivers/crypto/qat/qat_common/adf_admin.c

+37 −0
Original line number Diff line number Diff line
@@ -194,6 +194,35 @@ static int adf_set_fw_constants(struct adf_accel_dev *accel_dev) 
	return adf_send_admin(accel_dev, &req, &resp, ae_mask);

}



static int adf_get_dc_capabilities(struct adf_accel_dev *accel_dev,

				   u32 *capabilities)

{

	struct adf_hw_device_data *hw_device = accel_dev->hw_device;

	struct icp_qat_fw_init_admin_resp resp;

	struct icp_qat_fw_init_admin_req req;

	unsigned long ae_mask;

	unsigned long ae;

	int ret;



	/* Target only service accelerator engines */

	ae_mask = hw_device->ae_mask & ~hw_device->admin_ae_mask;



	memset(&req, 0, sizeof(req));

	memset(&resp, 0, sizeof(resp));

	req.cmd_id = ICP_QAT_FW_COMP_CAPABILITY_GET;



	*capabilities = 0;

	for_each_set_bit(ae, &ae_mask, GET_MAX_ACCELENGINES(accel_dev)) {

		ret = adf_send_admin(accel_dev, &req, &resp, 1ULL << ae);

		if (ret)

			return ret;



		*capabilities |= resp.extended_features;

	}



	return 0;

}



/**

 * adf_send_admin_init() - Function sends init message to FW

 * @accel_dev: Pointer to acceleration device.
@@ -204,8 +233,16 @@ static int adf_set_fw_constants(struct adf_accel_dev *accel_dev) 
 */

int adf_send_admin_init(struct adf_accel_dev *accel_dev)

{

	u32 dc_capabilities = 0;

	int ret;



	ret = adf_get_dc_capabilities(accel_dev, &dc_capabilities);

	if (ret) {

		dev_err(&GET_DEV(accel_dev), "Cannot get dc capabilities\n");

		return ret;

	}

	accel_dev->hw_device->extended_dc_capabilities = dc_capabilities;



	ret = adf_set_fw_constants(accel_dev);

	if (ret)

		return ret;

drivers/crypto/qat/qat_common/icp_qat_fw_init_admin.h

+3 −1
Original line number Diff line number Diff line
@@ -14,7 +14,8 @@ enum icp_qat_fw_init_admin_cmd_id { 
	ICP_QAT_FW_COUNTERS_GET = 5,

	ICP_QAT_FW_LOOPBACK = 6,

	ICP_QAT_FW_HEARTBEAT_SYNC = 7,

	ICP_QAT_FW_HEARTBEAT_GET = 8

	ICP_QAT_FW_HEARTBEAT_GET = 8,

	ICP_QAT_FW_COMP_CAPABILITY_GET = 9,

};



enum icp_qat_fw_init_admin_resp_status {
@@ -52,6 +53,7 @@ struct icp_qat_fw_init_admin_resp { 
			__u16 version_minor_num;

			__u16 version_major_num;

		};

		__u32 extended_features;

	};

	__u64 opaque_data;

	union {