#define _USB_H_
#include <linux/usb.h>
+#include <linux/usb_usual.h>
#include <linux/blkdev.h>
#include <linux/smp_lock.h>
#include <linux/completion.h>
+#include <linux/mutex.h>
+#include <scsi/scsi_host.h>
struct us_data;
struct scsi_cmnd;
__u8 useProtocol;
__u8 useTransport;
int (*initFunction)(struct us_data *);
- unsigned int flags;
};
-/* Flag definitions: these entries are static */
-#define US_FL_SINGLE_LUN 0x00000001 /* allow access to only LUN 0 */
-#define US_FL_MODE_XLATE 0 /* [no longer used] */
-#define US_FL_NEED_OVERRIDE 0x00000004 /* unusual_devs entry is necessary */
-#define US_FL_IGNORE_SER 0 /* [no longer used] */
-#define US_FL_SCM_MULT_TARG 0x00000020 /* supports multiple targets */
-#define US_FL_FIX_INQUIRY 0x00000040 /* INQUIRY response needs faking */
-#define US_FL_FIX_CAPACITY 0x00000080 /* READ CAPACITY response too big */
/* Dynamic flag definitions: used in set_bit() etc. */
#define US_FLIDX_URB_ACTIVE 18 /* 0x00040000 current_urb is in use */
#define ABORTING_OR_DISCONNECTING ((1UL << US_FLIDX_ABORTING) | \
(1UL << US_FLIDX_DISCONNECTING))
#define US_FLIDX_RESETTING 22 /* 0x00400000 device reset in progress */
+#define US_FLIDX_TIMED_OUT 23 /* 0x00800000 SCSI midlayer timed out */
-/* processing state machine states */
-#define US_STATE_IDLE 1
-#define US_STATE_RUNNING 2
-#define US_STATE_RESETTING 3
-#define US_STATE_ABORTING 4
-
#define USB_STOR_STRING_LEN 32
/*
*/
#define US_IOBUF_SIZE 64 /* Size of the DMA-mapped I/O buffer */
+#define US_SENSE_SIZE 18 /* Size of the autosense data buffer */
typedef int (*trans_cmnd)(struct scsi_cmnd *, struct us_data*);
typedef int (*trans_reset)(struct us_data*);
typedef void (*proto_cmnd)(struct scsi_cmnd*, struct us_data*);
-typedef void (*extra_data_destructor)(void *); /* extra data destructor */
+typedef void (*extra_data_destructor)(void *); /* extra data destructor */
+typedef void (*pm_hook)(struct us_data *, int); /* power management hook */
+
+#define US_SUSPEND 0
+#define US_RESUME 1
/* we allocate one of these for every device that we remember */
struct us_data {
/* The device we're working with
* It's important to note:
- * (o) you must hold dev_semaphore to change pusb_dev
+ * (o) you must hold dev_mutex to change pusb_dev
*/
- struct semaphore dev_semaphore; /* protect pusb_dev */
+ struct mutex dev_mutex; /* protect pusb_dev */
struct usb_device *pusb_dev; /* this usb_device */
struct usb_interface *pusb_intf; /* this interface */
struct us_unusual_dev *unusual_dev; /* device-filter entry */
unsigned int recv_intr_pipe;
/* information about the device */
- char vendor[USB_STOR_STRING_LEN];
- char product[USB_STOR_STRING_LEN];
- char serial[USB_STOR_STRING_LEN];
char *transport_name;
char *protocol_name;
+ __le32 bcs_signature;
u8 subclass;
u8 protocol;
u8 max_lun;
proto_cmnd proto_handler; /* protocol handler */
/* SCSI interfaces */
- struct Scsi_Host *host; /* our dummy host data */
struct scsi_cmnd *srb; /* current srb */
-
- /* thread information */
- int pid; /* control thread */
- int sm_state; /* what we are doing */
+ unsigned int tag; /* current dCBWTag */
/* control and bulk communications data */
struct urb *current_urb; /* USB requests */
struct usb_ctrlrequest *cr; /* control requests */
struct usb_sg_request current_sg; /* scatter-gather req. */
unsigned char *iobuf; /* I/O buffer */
+ unsigned char *sensebuf; /* sense data buffer */
dma_addr_t cr_dma; /* buffer DMA addresses */
dma_addr_t iobuf_dma;
/* mutual exclusion and synchronization structures */
- struct semaphore sema; /* to sleep thread on */
- struct completion notify; /* thread begin/end */
- wait_queue_head_t dev_reset_wait; /* wait during reset */
+ struct semaphore sema; /* to sleep thread on */
+ struct completion notify; /* thread begin/end */
+ wait_queue_head_t delay_wait; /* wait during scan, reset */
/* subdriver information */
void *extra; /* Any extra data */
extra_data_destructor extra_destructor;/* extra data destructor */
+#ifdef CONFIG_PM
+ pm_hook suspend_resume_hook;
+#endif
};
-/* The structure which defines our driver */
-extern struct usb_driver usb_storage_driver;
+/* Convert between us_data and the corresponding Scsi_Host */
+static inline struct Scsi_Host *us_to_host(struct us_data *us) {
+ return container_of((void *) us, struct Scsi_Host, hostdata);
+}
+static inline struct us_data *host_to_us(struct Scsi_Host *host) {
+ return (struct us_data *) host->hostdata;
+}
/* Function to fill an inquiry response. See usb.c for details */
extern void fill_inquiry_response(struct us_data *us,
#define scsi_unlock(host) spin_unlock_irq(host->host_lock)
#define scsi_lock(host) spin_lock_irq(host->host_lock)
-
-/* Vendor ID list for devices that require special handling */
-#define USB_VENDOR_ID_GENESYS 0x05e3 /* Genesys Logic */
-
#endif
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