/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/socket.h> #include <linux/in.h> #include <linux/in6.h> #include <rdma/ib_verbs.h> #include <rdma/rdma_cm.h> #include <rdma/rw.h> #include <scsi/iser.h> #define DRV_NAME … #define PFX … #define isert_dbg(fmt, arg...) … #define isert_warn(fmt, arg...) … #define isert_info(fmt, arg...) … #define isert_err(fmt, arg...) … /* Constant PDU lengths calculations */ #define ISER_HEADERS_LEN … #define ISER_RX_PAYLOAD_SIZE … /* QP settings */ /* Maximal bounds on received asynchronous PDUs */ #define ISERT_MAX_TX_MISC_PDUS … #define ISERT_MAX_RX_MISC_PDUS … #define ISCSI_DEF_XMIT_CMDS_MAX … #define ISERT_QP_MAX_RECV_DTOS … #define ISERT_MIN_POSTED_RX … #define ISERT_QP_MAX_REQ_DTOS … /* * RX size is default of 8k plus headers, but data needs to align to * 512 boundary, so use 1024 to have the extra space for alignment. */ #define ISER_RX_SIZE … /* Minimum I/O size is 512KB */ #define ISCSI_ISER_MIN_SG_TABLESIZE … /* Maximum support is 16MB I/O size */ #define ISCSI_ISER_MAX_SG_TABLESIZE … enum isert_desc_type { … }; enum iser_conn_state { … }; struct iser_rx_desc { … }; static inline struct iser_rx_desc *cqe_to_rx_desc(struct ib_cqe *cqe) { … } static void *isert_get_iser_hdr(struct iser_rx_desc *desc) { … } static size_t isert_get_hdr_offset(struct iser_rx_desc *desc) { … } static void *isert_get_iscsi_hdr(struct iser_rx_desc *desc) { … } static void *isert_get_data(struct iser_rx_desc *desc) { … } struct iser_tx_desc { … } __packed; static inline struct iser_tx_desc *cqe_to_tx_desc(struct ib_cqe *cqe) { … } struct isert_cmd { … }; static inline struct isert_cmd *tx_desc_to_cmd(struct iser_tx_desc *desc) { … } struct isert_device; struct isert_conn { … }; struct isert_device { … }; struct isert_np { … };
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