/* * This header is BSD licensed so anyone can use the definitions to implement * compatible drivers/servers. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _LINUX_VIRTIO_SCSI_H #define _LINUX_VIRTIO_SCSI_H #include <linux/virtio_types.h> /* Default values of the CDB and sense data size configuration fields */ #define VIRTIO_SCSI_CDB_DEFAULT_SIZE … #define VIRTIO_SCSI_SENSE_DEFAULT_SIZE … #ifndef VIRTIO_SCSI_CDB_SIZE #define VIRTIO_SCSI_CDB_SIZE … #endif #ifndef VIRTIO_SCSI_SENSE_SIZE #define VIRTIO_SCSI_SENSE_SIZE … #endif /* SCSI command request, followed by data-out */ struct virtio_scsi_cmd_req { … } __attribute__((packed)); /* SCSI command request, followed by protection information */ struct virtio_scsi_cmd_req_pi { … } __attribute__((packed)); /* Response, followed by sense data and data-in */ struct virtio_scsi_cmd_resp { … } __attribute__((packed)); /* Task Management Request */ struct virtio_scsi_ctrl_tmf_req { … } __attribute__((packed)); struct virtio_scsi_ctrl_tmf_resp { … } __attribute__((packed)); /* Asynchronous notification query/subscription */ struct virtio_scsi_ctrl_an_req { … } __attribute__((packed)); struct virtio_scsi_ctrl_an_resp { … } __attribute__((packed)); struct virtio_scsi_event { … } __attribute__((packed)); struct virtio_scsi_config { … } __attribute__((packed)); /* Feature Bits */ #define VIRTIO_SCSI_F_INOUT … #define VIRTIO_SCSI_F_HOTPLUG … #define VIRTIO_SCSI_F_CHANGE … #define VIRTIO_SCSI_F_T10_PI … /* Response codes */ #define VIRTIO_SCSI_S_OK … #define VIRTIO_SCSI_S_OVERRUN … #define VIRTIO_SCSI_S_ABORTED … #define VIRTIO_SCSI_S_BAD_TARGET … #define VIRTIO_SCSI_S_RESET … #define VIRTIO_SCSI_S_BUSY … #define VIRTIO_SCSI_S_TRANSPORT_FAILURE … #define VIRTIO_SCSI_S_TARGET_FAILURE … #define VIRTIO_SCSI_S_NEXUS_FAILURE … #define VIRTIO_SCSI_S_FAILURE … #define VIRTIO_SCSI_S_FUNCTION_SUCCEEDED … #define VIRTIO_SCSI_S_FUNCTION_REJECTED … #define VIRTIO_SCSI_S_INCORRECT_LUN … /* Controlq type codes. */ #define VIRTIO_SCSI_T_TMF … #define VIRTIO_SCSI_T_AN_QUERY … #define VIRTIO_SCSI_T_AN_SUBSCRIBE … /* Valid TMF subtypes. */ #define VIRTIO_SCSI_T_TMF_ABORT_TASK … #define VIRTIO_SCSI_T_TMF_ABORT_TASK_SET … #define VIRTIO_SCSI_T_TMF_CLEAR_ACA … #define VIRTIO_SCSI_T_TMF_CLEAR_TASK_SET … #define VIRTIO_SCSI_T_TMF_I_T_NEXUS_RESET … #define VIRTIO_SCSI_T_TMF_LOGICAL_UNIT_RESET … #define VIRTIO_SCSI_T_TMF_QUERY_TASK … #define VIRTIO_SCSI_T_TMF_QUERY_TASK_SET … /* Events. */ #define VIRTIO_SCSI_T_EVENTS_MISSED … #define VIRTIO_SCSI_T_NO_EVENT … #define VIRTIO_SCSI_T_TRANSPORT_RESET … #define VIRTIO_SCSI_T_ASYNC_NOTIFY … #define VIRTIO_SCSI_T_PARAM_CHANGE … /* Reasons of transport reset event */ #define VIRTIO_SCSI_EVT_RESET_HARD … #define VIRTIO_SCSI_EVT_RESET_RESCAN … #define VIRTIO_SCSI_EVT_RESET_REMOVED … #define VIRTIO_SCSI_S_SIMPLE … #define VIRTIO_SCSI_S_ORDERED … #define VIRTIO_SCSI_S_HEAD … #define VIRTIO_SCSI_S_ACA … #endif /* _LINUX_VIRTIO_SCSI_H */
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