#include <linux/device.h>
#include <linux/list.h>
#include <linux/spinlock.h>
+#include <linux/workqueue.h>
#include <asm/atomic.h>
struct request_queue;
struct scsi_cmnd;
-struct scsi_mode_data;
+struct scsi_lun;
+struct scsi_sense_hdr;
+struct scsi_mode_data {
+ __u32 length;
+ __u16 block_descriptor_length;
+ __u8 medium_type;
+ __u8 device_specific;
+ __u8 header_length;
+ __u8 longlba:1;
+};
/*
* sdev state: If you alter this, you also need to alter scsi_sysfs.c
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 */
unsigned char inquiry_len; /* valid bytes in 'inquiry' */
unsigned char * inquiry; /* INQUIRY response data */
- char * vendor; /* [back_compat] point into 'inquiry' ... */
- char * model; /* ... after scan; point to static string */
- char * rev; /* ... "nullnullnullnull" before scan */
+ const char * vendor; /* [back_compat] point into 'inquiry' ... */
+ const char * model; /* ... after scan; point to static string */
+ const char * rev; /* ... "nullnullnullnull" before scan */
unsigned char current_tag; /* current tag */
struct scsi_target *sdev_target; /* used only for single_lun */
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))));
#define transport_class_to_sdev(class_dev) \
to_scsi_device(class_dev->dev)
+#define sdev_printk(prefix, sdev, fmt, a...) \
+ dev_printk(prefix, &(sdev)->sdev_gendev, fmt, ##a)
+
+#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,
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 long starget_data[0];
+ 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!!!! */
} __attribute__((aligned(sizeof(unsigned long))));
#define to_scsi_target(d) container_of(d, struct scsi_target, dev)
#define transport_class_to_starget(class_dev) \
to_scsi_target(class_dev->dev)
+#define starget_printk(prefix, starget, fmt, a...) \
+ dev_printk(prefix, &(starget)->dev, fmt, ##a)
+
extern struct scsi_device *__scsi_add_device(struct Scsi_Host *,
uint, uint, uint, void *hostdata);
-#define scsi_add_device(host, channel, target, lun) \
- __scsi_add_device(host, channel, target, lun, NULL)
+extern int scsi_add_device(struct Scsi_Host *host, uint channel,
+ uint target, uint lun);
extern void scsi_remove_device(struct scsi_device *);
extern int scsi_device_cancel(struct scsi_device *, int);
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);
+ 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,
extern void scsi_target_block(struct device *);
extern void scsi_target_unblock(struct device *);
extern void scsi_remove_target(struct device *);
+extern void int_to_scsilun(unsigned int, struct scsi_lun *);
extern const char *scsi_device_state_name(enum scsi_device_state);
extern int scsi_is_sdev_device(const struct device *);
extern int scsi_is_target_device(const struct device *);
+extern int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
+ int data_direction, void *buffer, unsigned bufflen,
+ unsigned char *sense, int timeout, int retries,
+ int flag);
+extern int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
+ int data_direction, void *buffer, unsigned bufflen,
+ struct scsi_sense_hdr *, int timeout, int retries);
+extern int scsi_execute_async(struct scsi_device *sdev,
+ const unsigned char *cmd, int cmd_len, int data_direction,
+ void *buffer, unsigned bufflen, int use_sg,
+ int timeout, int retries, void *privdata,
+ 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;
+}
+
+static inline unsigned int sdev_id(struct scsi_device *sdev)
+{
+ return sdev->id;
+}
+
+#define scmd_id(scmd) sdev_id((scmd)->device)
+#define scmd_channel(scmd) sdev_channel((scmd)->device)
+
static inline int scsi_device_online(struct scsi_device *sdev)
{
return sdev->sdev_state != SDEV_OFFLINE;
git://git.onelab.eu / linux-2.6.git / blobdiff