Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

SCSI updates from James Bottomley:
 "The update includes the usual assortment of driver updates (lpfc,
  qla2xxx, qla4xxx, bfa, bnx2fc, bnx2i, isci, fcoe, hpsa) plus a huge
  amount of infrastructure work in the SAS library and transport class
  as well as an iSCSI update.  There's also a new SCSI based virtio
  driver."

* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (177 commits)
  [SCSI] qla4xxx: Update driver version to 5.02.00-k15
  [SCSI] qla4xxx: trivial cleanup
  [SCSI] qla4xxx: Fix sparse warning
  [SCSI] qla4xxx: Add support for multiple session per host.
  [SCSI] qla4xxx: Export CHAP index as sysfs attribute
  [SCSI] scsi_transport: Export CHAP index as sysfs attribute
  [SCSI] qla4xxx: Add support to display CHAP list and delete CHAP entry
  [SCSI] iscsi_transport: Add support to display CHAP list and delete CHAP entry
  [SCSI] pm8001: fix endian issue with code optimization.
  [SCSI] pm8001: Fix possible racing condition.
  [SCSI] pm8001: Fix bogus interrupt state flag issue.
  [SCSI] ipr: update PCI ID definitions for new adapters
  [SCSI] qla2xxx: handle default case in qla2x00_request_firmware()
  [SCSI] isci: improvements in driver unloading routine
  [SCSI] isci: improve phy event warnings
  [SCSI] isci: debug, provide state-enum-to-string conversions
  [SCSI] scsi_transport_sas: 'enable' phys on reset
  [SCSI] libsas: don't recover end devices attached to disabled phys
  [SCSI] libsas: fixup target_port_protocols for expanders that don't report sata
  [SCSI] libsas: set attached device type and target protocols for local phys
  ...

3 files changed, 117 insertions, 0 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index cafc09a64fe4..42378d637ffb 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -996,6 +996,7 @@ extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
 extern void ata_sas_port_destroy(struct ata_port *);
 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
                                            struct ata_port_info *, struct Scsi_Host *);
+extern int ata_sas_async_port_init(struct ata_port *);
 extern int ata_sas_port_init(struct ata_port *);
 extern int ata_sas_port_start(struct ata_port *ap);
 extern void ata_sas_port_stop(struct ata_port *ap);
@@ -1147,6 +1148,7 @@ static inline int ata_acpi_cbl_80wire(struct ata_port *ap,
  * EH - drivers/ata/libata-eh.c
  */
 extern void ata_port_schedule_eh(struct ata_port *ap);
+extern void ata_port_wait_eh(struct ata_port *ap);
 extern int ata_link_abort(struct ata_link *link);
 extern int ata_port_abort(struct ata_port *ap);
 extern int ata_port_freeze(struct ata_port *ap);
diff --git a/include/linux/virtio_ids.h b/include/linux/virtio_ids.h
index 85bb0bb66ffc..c5d8455c68c0 100644
--- a/include/linux/virtio_ids.h
+++ b/include/linux/virtio_ids.h
@@ -34,6 +34,7 @@
 #define VIRTIO_ID_CONSOLE       3 /* virtio console */
 #define VIRTIO_ID_RNG           4 /* virtio ring */
 #define VIRTIO_ID_BALLOON       5 /* virtio balloon */
+#define VIRTIO_ID_SCSI          8 /* virtio scsi */
 #define VIRTIO_ID_9P            9 /* 9p virtio console */
 
 #endif /* _LINUX_VIRTIO_IDS_H */
diff --git a/include/linux/virtio_scsi.h b/include/linux/virtio_scsi.h
new file mode 100644
index 000000000000..8ddeafdc0546
--- /dev/null
+++ b/include/linux/virtio_scsi.h
@@ -0,0 +1,114 @@
+#ifndef _LINUX_VIRTIO_SCSI_H
+#define _LINUX_VIRTIO_SCSI_H
+/* This header is BSD licensed so anyone can use the definitions to implement
+ * compatible drivers/servers. */
+
+#define VIRTIO_SCSI_CDB_SIZE   32
+#define VIRTIO_SCSI_SENSE_SIZE 96
+
+/* SCSI command request, followed by data-out */
+struct virtio_scsi_cmd_req {
+        u8 lun[8];              /* Logical Unit Number */
+        u64 tag;                /* Command identifier */
+        u8 task_attr;           /* Task attribute */
+        u8 prio;
+        u8 crn;
+        u8 cdb[VIRTIO_SCSI_CDB_SIZE];
+} __packed;
+
+/* Response, followed by sense data and data-in */
+struct virtio_scsi_cmd_resp {
+        u32 sense_len;          /* Sense data length */
+        u32 resid;              /* Residual bytes in data buffer */
+        u16 status_qualifier;   /* Status qualifier */
+        u8 status;              /* Command completion status */
+        u8 response;            /* Response values */
+        u8 sense[VIRTIO_SCSI_SENSE_SIZE];
+} __packed;
+
+/* Task Management Request */
+struct virtio_scsi_ctrl_tmf_req {
+        u32 type;
+        u32 subtype;
+        u8 lun[8];
+        u64 tag;
+} __packed;
+
+struct virtio_scsi_ctrl_tmf_resp {
+        u8 response;
+} __packed;
+
+/* Asynchronous notification query/subscription */
+struct virtio_scsi_ctrl_an_req {
+        u32 type;
+        u8 lun[8];
+        u32 event_requested;
+} __packed;
+
+struct virtio_scsi_ctrl_an_resp {
+        u32 event_actual;
+        u8 response;
+} __packed;
+
+struct virtio_scsi_event {
+        u32 event;
+        u8 lun[8];
+        u32 reason;
+} __packed;
+
+struct virtio_scsi_config {
+        u32 num_queues;
+        u32 seg_max;
+        u32 max_sectors;
+        u32 cmd_per_lun;
+        u32 event_info_size;
+        u32 sense_size;
+        u32 cdb_size;
+        u16 max_channel;
+        u16 max_target;
+        u32 max_lun;
+} __packed;
+
+/* 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_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 */