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authorMichael S. Tsirkin <mst@redhat.com>2015-02-16 22:35:31 +0100
committerMichael S. Tsirkin <mst@redhat.com>2015-02-26 12:42:21 +0100
commit9fbe302b2a4c349c1a8fa93a3f79f08e7007d80c (patch)
tree6f5af59a51c6d31a201c62df137801de7f7022fb /include/standard-headers/linux/virtio_scsi.h
parent1ff0b555d3c6ba291adf0c4c76e222acfeb52f1d (diff)
downloadfocaccia-qemu-9fbe302b2a4c349c1a8fa93a3f79f08e7007d80c.tar.gz
focaccia-qemu-9fbe302b2a4c349c1a8fa93a3f79f08e7007d80c.zip
include: import virtio headers from linux 4.0
Add files imported from linux-next (what will become linux 4.0) using
scripts/update-linux-headers.sh

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>


Diffstat (limited to 'include/standard-headers/linux/virtio_scsi.h')
-rw-r--r--include/standard-headers/linux/virtio_scsi.h164
1 files changed, 164 insertions, 0 deletions
diff --git a/include/standard-headers/linux/virtio_scsi.h b/include/standard-headers/linux/virtio_scsi.h
new file mode 100644
index 0000000000..78ba9d3635
--- /dev/null
+++ b/include/standard-headers/linux/virtio_scsi.h
@@ -0,0 +1,164 @@
+/*
+ * 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 "standard-headers/linux/virtio_types.h"
+
+#define VIRTIO_SCSI_CDB_SIZE   32
+#define VIRTIO_SCSI_SENSE_SIZE 96
+
+/* SCSI command request, followed by data-out */
+struct virtio_scsi_cmd_req {
+	uint8_t lun[8];		/* Logical Unit Number */
+	__virtio64 tag;		/* Command identifier */
+	uint8_t task_attr;		/* Task attribute */
+	uint8_t prio;		/* SAM command priority field */
+	uint8_t crn;
+	uint8_t cdb[VIRTIO_SCSI_CDB_SIZE];
+} QEMU_PACKED;
+
+/* SCSI command request, followed by protection information */
+struct virtio_scsi_cmd_req_pi {
+	uint8_t lun[8];		/* Logical Unit Number */
+	__virtio64 tag;		/* Command identifier */
+	uint8_t task_attr;		/* Task attribute */
+	uint8_t prio;		/* SAM command priority field */
+	uint8_t crn;
+	__virtio32 pi_bytesout;	/* DataOUT PI Number of bytes */
+	__virtio32 pi_bytesin;		/* DataIN PI Number of bytes */
+	uint8_t cdb[VIRTIO_SCSI_CDB_SIZE];
+} QEMU_PACKED;
+
+/* Response, followed by sense data and data-in */
+struct virtio_scsi_cmd_resp {
+	__virtio32 sense_len;		/* Sense data length */
+	__virtio32 resid;		/* Residual bytes in data buffer */
+	__virtio16 status_qualifier;	/* Status qualifier */
+	uint8_t status;		/* Command completion status */
+	uint8_t response;		/* Response values */
+	uint8_t sense[VIRTIO_SCSI_SENSE_SIZE];
+} QEMU_PACKED;
+
+/* Task Management Request */
+struct virtio_scsi_ctrl_tmf_req {
+	__virtio32 type;
+	__virtio32 subtype;
+	uint8_t lun[8];
+	__virtio64 tag;
+} QEMU_PACKED;
+
+struct virtio_scsi_ctrl_tmf_resp {
+	uint8_t response;
+} QEMU_PACKED;
+
+/* Asynchronous notification query/subscription */
+struct virtio_scsi_ctrl_an_req {
+	__virtio32 type;
+	uint8_t lun[8];
+	__virtio32 event_requested;
+} QEMU_PACKED;
+
+struct virtio_scsi_ctrl_an_resp {
+	__virtio32 event_actual;
+	uint8_t response;
+} QEMU_PACKED;
+
+struct virtio_scsi_event {
+	__virtio32 event;
+	uint8_t lun[8];
+	__virtio32 reason;
+} QEMU_PACKED;
+
+struct virtio_scsi_config {
+	uint32_t num_queues;
+	uint32_t seg_max;
+	uint32_t max_sectors;
+	uint32_t cmd_per_lun;
+	uint32_t event_info_size;
+	uint32_t sense_size;
+	uint32_t cdb_size;
+	uint16_t max_channel;
+	uint16_t max_target;
+	uint32_t max_lun;
+} QEMU_PACKED;
+
+/* Feature Bits */
+#define VIRTIO_SCSI_F_INOUT                    0
+#define VIRTIO_SCSI_F_HOTPLUG                  1
+#define VIRTIO_SCSI_F_CHANGE                   2
+#define VIRTIO_SCSI_F_T10_PI                   3
+
+/* Response codes */
+#define VIRTIO_SCSI_S_OK                       0
+#define VIRTIO_SCSI_S_OVERRUN                  1
+#define VIRTIO_SCSI_S_ABORTED                  2
+#define VIRTIO_SCSI_S_BAD_TARGET               3
+#define VIRTIO_SCSI_S_RESET                    4
+#define VIRTIO_SCSI_S_BUSY                     5
+#define VIRTIO_SCSI_S_TRANSPORT_FAILURE        6
+#define VIRTIO_SCSI_S_TARGET_FAILURE           7
+#define VIRTIO_SCSI_S_NEXUS_FAILURE            8
+#define VIRTIO_SCSI_S_FAILURE                  9
+#define VIRTIO_SCSI_S_FUNCTION_SUCCEEDED       10
+#define VIRTIO_SCSI_S_FUNCTION_REJECTED        11
+#define VIRTIO_SCSI_S_INCORRECT_LUN            12
+
+/* Controlq type codes.  */
+#define VIRTIO_SCSI_T_TMF                      0
+#define VIRTIO_SCSI_T_AN_QUERY                 1
+#define VIRTIO_SCSI_T_AN_SUBSCRIBE             2
+
+/* Valid TMF subtypes.  */
+#define VIRTIO_SCSI_T_TMF_ABORT_TASK           0
+#define VIRTIO_SCSI_T_TMF_ABORT_TASK_SET       1
+#define VIRTIO_SCSI_T_TMF_CLEAR_ACA            2
+#define VIRTIO_SCSI_T_TMF_CLEAR_TASK_SET       3
+#define VIRTIO_SCSI_T_TMF_I_T_NEXUS_RESET      4
+#define VIRTIO_SCSI_T_TMF_LOGICAL_UNIT_RESET   5
+#define VIRTIO_SCSI_T_TMF_QUERY_TASK           6
+#define VIRTIO_SCSI_T_TMF_QUERY_TASK_SET       7
+
+/* Events.  */
+#define VIRTIO_SCSI_T_EVENTS_MISSED            0x80000000
+#define VIRTIO_SCSI_T_NO_EVENT                 0
+#define VIRTIO_SCSI_T_TRANSPORT_RESET          1
+#define VIRTIO_SCSI_T_ASYNC_NOTIFY             2
+#define VIRTIO_SCSI_T_PARAM_CHANGE             3
+
+/* Reasons of transport reset event */
+#define VIRTIO_SCSI_EVT_RESET_HARD             0
+#define VIRTIO_SCSI_EVT_RESET_RESCAN           1
+#define VIRTIO_SCSI_EVT_RESET_REMOVED          2
+
+#define VIRTIO_SCSI_S_SIMPLE                   0
+#define VIRTIO_SCSI_S_ORDERED                  1
+#define VIRTIO_SCSI_S_HEAD                     2
+#define VIRTIO_SCSI_S_ACA                      3
+
+
+#endif /* _LINUX_VIRTIO_SCSI_H */