8 files changed, 101 insertions, 29 deletions

diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 9c331258bc27..c60b8ff2f5e4 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -433,6 +433,4 @@ struct scsi_lun {
 /* Used to obtain the PCI location of a device */
 #define SCSI_IOCTL_GET_PCI              0x5387
 
-int scsi_execute_in_process_context(void (*fn)(void *data), void *data);
-
 #endif /* _SCSI_SCSI_H */
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 7529f4388bb4..1ace1b9fe537 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -104,10 +104,10 @@ struct scsi_cmnd {
                                            working on */
 
 #define SCSI_SENSE_BUFFERSIZE   96
-        unsigned char sense_buffer[SCSI_SENSE_BUFFERSIZE];              /* obtained by REQUEST SENSE
-                                                 * when CHECK CONDITION is
-                                                 * received on original command 
-                                                 * (auto-sense) */
+        unsigned char sense_buffer[SCSI_SENSE_BUFFERSIZE];
+                                /* obtained by REQUEST SENSE when
+                                 * CHECK CONDITION is received on original
+                                 * command (auto-sense) */
 
         /* Low-level done function - can be used by low-level driver to point
          *        to completion function.  Not used by mid/upper level code. */
@@ -120,12 +120,12 @@ struct scsi_cmnd {
         struct scsi_pointer SCp;        /* Scratchpad used by some host adapters */
 
         unsigned char *host_scribble;   /* The host adapter is allowed to
-                                           * call scsi_malloc and get some memory
-                                           * and hang it here.     The host adapter
-                                           * is also expected to call scsi_free
-                                           * to release this memory.  (The memory
-                                           * obtained by scsi_malloc is guaranteed
-                                           * to be at an address < 16Mb). */
+                                         * call scsi_malloc and get some memory
+                                         * and hang it here.  The host adapter
+                                         * is also expected to call scsi_free
+                                         * to release this memory.  (The memory
+                                         * obtained by scsi_malloc is guaranteed
+                                         * to be at an address < 16Mb). */
 
         int result;             /* Status code from lower level driver */
 
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 290e3b4d2aec..895d212864cd 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -4,6 +4,7 @@
 #include <linux/device.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
+#include <linux/workqueue.h>
 #include <asm/atomic.h>
 
 struct request_queue;
@@ -73,7 +74,6 @@ struct scsi_device {
         unsigned sector_size;   /* size in bytes */
 
         void *hostdata;         /* available to low-level driver */
-        char devfs_name[256];   /* devfs junk */
         char type;
         char scsi_level;
         char inq_periph_qual;   /* PQ from INQUIRY data */      
@@ -138,6 +138,8 @@ struct scsi_device {
         struct device           sdev_gendev;
         struct class_device     sdev_classdev;
 
+        struct execute_work     ew; /* used to get process context on put */
+
         enum scsi_device_state sdev_state;
         unsigned long           sdev_data[0];
 } __attribute__((aligned(sizeof(unsigned long))));
@@ -154,6 +156,11 @@ struct scsi_device {
 #define scmd_printk(prefix, scmd, fmt, a...)    \
         dev_printk(prefix, &(scmd)->device->sdev_gendev, fmt, ##a)
 
+enum scsi_target_state {
+        STARGET_RUNNING = 1,
+        STARGET_DEL,
+};
+
 /*
  * scsi_target: representation of a scsi target, for now, this is only
  * used for single_lun devices. If no one has active IO to the target,
@@ -168,8 +175,13 @@ struct scsi_target {
         unsigned int            channel;
         unsigned int            id; /* target id ... replace
                                      * scsi_device.id eventually */
-        unsigned long           create:1; /* signal that it needs to be added */
+        unsigned int            create:1; /* signal that it needs to be added */
+        unsigned int            pdt_1f_for_no_lun;      /* PDT = 0x1f */
+                                                /* means no lun present */
+
         char                    scsi_level;
+        struct execute_work     ew;
+        enum scsi_target_state  state;
         void                    *hostdata; /* available to low-level driver */
         unsigned long           starget_data[0]; /* for the transport */
         /* starget_data must be the last element!!!! */
@@ -249,6 +261,11 @@ extern int scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
                            unsigned char *buffer, int len, int timeout,
                            int retries, struct scsi_mode_data *data,
                            struct scsi_sense_hdr *);
+extern int scsi_mode_select(struct scsi_device *sdev, int pf, int sp,
+                            int modepage, unsigned char *buffer, int len,
+                            int timeout, int retries,
+                            struct scsi_mode_data *data,
+                            struct scsi_sense_hdr *);
 extern int scsi_test_unit_ready(struct scsi_device *sdev, int timeout,
                                 int retries);
 extern int scsi_device_set_state(struct scsi_device *sdev,
@@ -281,6 +298,11 @@ extern int scsi_execute_async(struct scsi_device *sdev,
                               void (*done)(void *, char *, int, int),
                               gfp_t gfp);
 
+static inline void scsi_device_reprobe(struct scsi_device *sdev)
+{
+        device_reprobe(&sdev->sdev_gendev);
+}
+
 static inline unsigned int sdev_channel(struct scsi_device *sdev)
 {
         return sdev->channel;
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index fabd879c2f2e..d160880b2a87 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -35,6 +35,9 @@ static inline int scsi_sense_valid(struct scsi_sense_hdr *sshdr)
 }
 
 
+extern void scsi_eh_finish_cmd(struct scsi_cmnd *scmd,
+                               struct list_head *done_q);
+extern void scsi_eh_flush_done_q(struct list_head *done_q);
 extern void scsi_report_bus_reset(struct Scsi_Host *, int);
 extern void scsi_report_device_reset(struct Scsi_Host *, int, int);
 extern int scsi_block_when_processing_errors(struct scsi_device *);
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 827992949c4b..a6cf3e535c0b 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -147,20 +147,6 @@ struct scsi_host_template {
         int (* eh_host_reset_handler)(struct scsi_cmnd *);
 
         /*
-         * This is an optional routine to notify the host that the scsi
-         * timer just fired.  The returns tell the timer routine what to
-         * do about this:
-         *
-         * EH_HANDLED:          I fixed the error, please complete the command
-         * EH_RESET_TIMER:      I need more time, reset the timer and
-         *                      begin counting again
-         * EH_NOT_HANDLED       Begin normal error recovery
-         *
-         * Status: OPTIONAL
-         */
-        enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *);
-
-        /*
          * Before the mid layer attempts to scan for a new device where none
          * currently exists, it will call this entry in your driver.  Should
          * your driver need to allocate any structs or perform any other init
diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index e7b1054adf86..b3657f111937 100644
--- a/include/scsi/scsi_transport.h
+++ b/include/scsi/scsi_transport.h
@@ -48,6 +48,17 @@ struct scsi_transport_template {
          * True if the transport wants to use a host-based work-queue
          */
         unsigned int create_work_queue : 1;
+
+        /*
+         * This is an optional routine that allows the transport to become
+         * involved when a scsi io timer fires. The return value tells the
+         * timer routine how to finish the io timeout handling:
+         * EH_HANDLED:          I fixed the error, please complete the command
+         * EH_RESET_TIMER:      I need more time, reset the timer and
+         *                      begin counting again
+         * EH_NOT_HANDLED       Begin normal error recovery
+         */
+        enum scsi_eh_timer_return (* eh_timed_out)(struct scsi_cmnd *);
 };
 
 #define transport_class_to_shost(tc) \
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index b91400bfb02a..93cfb4bf4211 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -30,6 +30,7 @@ enum sas_linkrate {
         SAS_SATA_PORT_SELECTOR,
         SAS_LINK_RATE_1_5_GBPS,
         SAS_LINK_RATE_3_0_GBPS,
+        SAS_LINK_RATE_6_0_GBPS,
         SAS_LINK_VIRTUAL,
 };
 
@@ -89,11 +90,45 @@ struct sas_rphy {
         dev_to_rphy((cdev)->dev)
 #define rphy_to_shost(rphy) \
         dev_to_shost((rphy)->dev.parent)
+#define target_to_rphy(targ) \
+        dev_to_rphy((targ)->dev.parent)
+
+struct sas_end_device {
+        struct sas_rphy         rphy;
+        /* flags */
+        unsigned                ready_led_meaning:1;
+        /* parameters */
+        u16                     I_T_nexus_loss_timeout;
+        u16                     initiator_response_timeout;
+};
+#define rphy_to_end_device(r) \
+        container_of((r), struct sas_end_device, rphy)
+
+struct sas_expander_device {
+        int    level;
+
+        #define SAS_EXPANDER_VENDOR_ID_LEN      8
+        char   vendor_id[SAS_EXPANDER_VENDOR_ID_LEN+1];
+        #define SAS_EXPANDER_PRODUCT_ID_LEN     16
+        char   product_id[SAS_EXPANDER_PRODUCT_ID_LEN+1];
+        #define SAS_EXPANDER_PRODUCT_REV_LEN    4
+        char   product_rev[SAS_EXPANDER_PRODUCT_REV_LEN+1];
+        #define SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN    8
+        char   component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN+1];
+        u16    component_id;
+        u8     component_revision_id;
 
+        struct sas_rphy         rphy;
+
+};
+#define rphy_to_expander_device(r) \
+        container_of((r), struct sas_expander_device, rphy)
 
 /* The functions by which the transport class and the driver communicate */
 struct sas_function_template {
         int (*get_linkerrors)(struct sas_phy *);
+        int (*get_enclosure_identifier)(struct sas_rphy *, u64 *);
+        int (*get_bay_identifier)(struct sas_rphy *);
         int (*phy_reset)(struct sas_phy *, int);
 };
 
@@ -106,7 +141,8 @@ extern int sas_phy_add(struct sas_phy *);
 extern void sas_phy_delete(struct sas_phy *);
 extern int scsi_is_sas_phy(const struct device *);
 
-extern struct sas_rphy *sas_rphy_alloc(struct sas_phy *);
+extern struct sas_rphy *sas_end_device_alloc(struct sas_phy *);
+extern struct sas_rphy *sas_expander_alloc(struct sas_phy *, enum sas_device_type);
 void sas_rphy_free(struct sas_rphy *);
 extern int sas_rphy_add(struct sas_rphy *);
 extern void sas_rphy_delete(struct sas_rphy *);
@@ -115,5 +151,17 @@ extern int scsi_is_sas_rphy(const struct device *);
 extern struct scsi_transport_template *
 sas_attach_transport(struct sas_function_template *);
 extern void sas_release_transport(struct scsi_transport_template *);
+int sas_read_port_mode_page(struct scsi_device *);
+
+static inline int
+scsi_is_sas_expander_device(struct device *dev)
+{
+        struct sas_rphy *rphy;
+        if (!scsi_is_sas_rphy(dev))
+                return 0;
+        rphy = dev_to_rphy(dev);
+        return rphy->identify.device_type == SAS_FANOUT_EXPANDER_DEVICE ||
+                rphy->identify.device_type == SAS_EDGE_EXPANDER_DEVICE;
+}
 
 #endif /* SCSI_TRANSPORT_SAS_H */
diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index fb5a2ffae939..5e1d61913d4e 100644
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -148,5 +148,9 @@ void spi_schedule_dv_device(struct scsi_device *);
 void spi_dv_device(struct scsi_device *);
 void spi_display_xfer_agreement(struct scsi_target *);
 int spi_print_msg(const unsigned char *);
+int spi_populate_width_msg(unsigned char *msg, int width);
+int spi_populate_sync_msg(unsigned char *msg, int period, int offset);
+int spi_populate_ppr_msg(unsigned char *msg, int period, int offset, int width,
+                int options);
 
 #endif /* SCSI_TRANSPORT_SPI_H */