summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/qedf/drv_fcoe_fw_funcs.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/qedf/drv_fcoe_fw_funcs.h')
-rw-r--r--drivers/scsi/qedf/drv_fcoe_fw_funcs.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/scsi/qedf/drv_fcoe_fw_funcs.h b/drivers/scsi/qedf/drv_fcoe_fw_funcs.h
new file mode 100644
index 000000000..7125e484b
--- /dev/null
+++ b/drivers/scsi/qedf/drv_fcoe_fw_funcs.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* QLogic FCoE Offload Driver
+ * Copyright (c) 2016-2018 Cavium Inc.
+ */
+#ifndef _FCOE_FW_FUNCS_H
+#define _FCOE_FW_FUNCS_H
+#include "drv_scsi_fw_funcs.h"
+#include "qedf_hsi.h"
+#include <linux/qed/qed_if.h>
+
+struct fcoe_task_params {
+ /* Output parameter [set/filled by the HSI function] */
+ struct fcoe_task_context *context;
+
+ /* Output parameter [set/filled by the HSI function] */
+ struct fcoe_wqe *sqe;
+ enum fcoe_task_type task_type;
+ u32 tx_io_size; /* in bytes */
+ u32 rx_io_size; /* in bytes */
+ u32 conn_cid;
+ u16 itid;
+ u8 cq_rss_number;
+
+ /* Whether it's Tape device or not (0=Disk, 1=Tape) */
+ u8 is_tape_device;
+};
+
+/**
+ * @brief init_initiator_rw_fcoe_task - Initializes FCoE task context for
+ * read/write task types and init fcoe_sqe
+ *
+ * @param task_params - Pointer to task parameters struct
+ * @param sgl_task_params - Pointer to SGL task params
+ * @param sense_data_buffer_phys_addr - Pointer to sense data buffer
+ * @param task_retry_id - retry identification - Used only for Tape device
+ * @param fcp_cmnd_payload - FCP CMD Payload
+ */
+int init_initiator_rw_fcoe_task(struct fcoe_task_params *task_params,
+ struct scsi_sgl_task_params *sgl_task_params,
+ struct regpair sense_data_buffer_phys_addr,
+ u32 task_retry_id,
+ u8 fcp_cmd_payload[32]);
+
+/**
+ * @brief init_initiator_midpath_fcoe_task - Initializes FCoE task context for
+ * midpath/unsolicited task types and init fcoe_sqe
+ *
+ * @param task_params - Pointer to task parameters struct
+ * @param mid_path_fc_header - FC header
+ * @param tx_sgl_task_params - Pointer to Tx SGL task params
+ * @param rx_sgl_task_params - Pointer to Rx SGL task params
+ * @param fw_to_place_fc_header - Indication if the FW will place the FC header
+ * in addition to the data arrives.
+ */
+int init_initiator_midpath_unsolicited_fcoe_task(
+ struct fcoe_task_params *task_params,
+ struct fcoe_tx_mid_path_params *mid_path_fc_header,
+ struct scsi_sgl_task_params *tx_sgl_task_params,
+ struct scsi_sgl_task_params *rx_sgl_task_params,
+ u8 fw_to_place_fc_header);
+
+/**
+ * @brief init_initiator_abort_fcoe_task - Initializes FCoE task context for
+ * abort task types and init fcoe_sqe
+ *
+ * @param task_params - Pointer to task parameters struct
+ */
+int init_initiator_abort_fcoe_task(struct fcoe_task_params *task_params);
+
+/**
+ * @brief init_initiator_cleanup_fcoe_task - Initializes FCoE task context for
+ * cleanup task types and init fcoe_sqe
+ *
+ *
+ * @param task_params - Pointer to task parameters struct
+ */
+int init_initiator_cleanup_fcoe_task(struct fcoe_task_params *task_params);
+
+/**
+ * @brief init_initiator_cleanup_fcoe_task - Initializes FCoE task context for
+ * sequence recovery task types and init fcoe_sqe
+ *
+ *
+ * @param task_params - Pointer to task parameters struct
+ * @param desired_offset - The desired offest the task will be re-sent from
+ */
+int init_initiator_sequence_recovery_fcoe_task(
+ struct fcoe_task_params *task_params,
+ u32 desired_offset);
+#endif