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-rw-r--r--include/scsi/scsi.h2
-rw-r--r--include/scsi/scsi_cmnd.h20
-rw-r--r--include/scsi/scsi_device.h26
-rw-r--r--include/scsi/scsi_eh.h3
-rw-r--r--include/scsi/scsi_host.h16
-rw-r--r--include/scsi/scsi_transport.h11
-rw-r--r--include/scsi/scsi_transport_sas.h50
-rw-r--r--include/scsi/scsi_transport_spi.h4
8 files changed, 102 insertions, 30 deletions
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 9c331258bc2..c60b8ff2f5e 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 7529f4388bb..1ace1b9fe53 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 290e3b4d2ae..895d212864c 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 fabd879c2f2..d160880b2a8 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 827992949c4..dc6862d09e5 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
@@ -300,7 +286,7 @@ struct scsi_host_template {
* suspend support
*/
int (*resume)(struct scsi_device *);
- int (*suspend)(struct scsi_device *);
+ int (*suspend)(struct scsi_device *, pm_message_t state);
/*
* Name of proc directory
diff --git a/include/scsi/scsi_transport.h b/include/scsi/scsi_transport.h
index e7b1054adf8..b3657f11193 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 b91400bfb02..93cfb4bf421 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 fb5a2ffae93..5e1d61913d4 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 */
generated by cgit (git 2.34.1) at 2024-11-12 22:57:33 +0000