include/linux/nvme-fc-driver.h

173  *                         to LLDD in order to perform a NVME FCP IO operation.
177  * @cmdaddr:   pointer to the FCP CMD IU buffer
178  * @rspaddr:   pointer to the FCP RSP IU buffer
179  * @cmddma:    PCI DMA address of the FCP CMD IU buffer
180  * @rspdma:    PCI DMA address of the FCP RSP IU buffer
181  * @cmdlen:    Length, in bytes, of the FCP CMD IU buffer
182  * @rsplen:    Length, in bytes, of the FCP RSP IU buffer
187  * @io_dir:    direction of the FCP request (see NVMEFC_FCP_xxx)
189  *             the FCP operation. req argument is the pointer to the original
190  *             FCP IO operation.
191  * @private:   pointer to memory allocated alongside the FCP operation
198  * Values set by the LLDD indicating completion status of the FCP operation.
200  * @rcv_rsplen: length, in bytes, of the FCP RSP IU received.
203  * @status:    Completion status of the FCP operation. must be 0 upon success,
206  *             status of the FCP operation at the NVME-FC level.
399  *       request structure (argument to done is the fcp request structure
409  * @fcp_abort: called to request the LLDD to abort the indicated fcp request.
411  *       the request, the LLDD must still call the fcp request done routine
470  *       behalf whenever a fcp request structure is allocated. The additional
605 /* Operations that NVME-FC layer may request the LLDD to perform for FCP */
619  *                            for a FC-NVME FCP IO.
622  * context for a FC-NVME FCP I/O operation (e.g. a nvme sqe, the sqe-related
625  * The structure is allocated by the LLDD whenever a FCP CMD IU is received
631  * the FCP I/O was received on, the remote FC NVME initiator that sent the
632  * FCP I/O, and any FC exchange context.  Upon completion of the FCP target
633  * operation, the address of the structure will be passed back to the FCP
643  *   When the structure is used for an FCP target operation, the nvmet-fc
651  * @op:       Indicates the FCP IU operation to perform (see NVMET_FCOP_xxx)
671  * @rspaddr:  pointer to the FCP RSP IU buffer to be transmit
673  * @rspdma:   PCI DMA address of the FCP RSP IU buffer
675  * @rsplen:   Length, in bytes, of the FCP RSP IU buffer
679  *            FCP subsystem op request.
684  * Values set by the LLDD indicating completion status of the FCP operation.
689  * @fcp_error: status of the FCP operation. Must be 0 on success; on failure
801  *       made when the FCP CMD IU was received. The op field in the
844  *       indicated in the fcp request. After the operation completes,
849  *       for another fcp command.
852  *       thread and before returning to the LLDD, the fcp operation to
853  *       the next operation for the fcp io and call the LLDDs fcp_op
854  *       call again. If fields in the fcp request are to be accessed post
874  *       to the LLDD after all operations on the fcp operation are complete.
1056  * the FCP cmd. The lldd should ABTS-LS the cmd.