X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fusb%2Fstorage%2Fusb.h;h=009fb0953a56140e5e5353a190ca4aaf64debbc6;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=785f30be68c580a24d782fdd03071c43c7a1650d;hpb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;p=linux-2.6.git

diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h
index 785f30be6..009fb0953 100644
--- a/drivers/usb/storage/usb.h
+++ b/drivers/usb/storage/usb.h
@@ -45,9 +45,12 @@
 #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;
@@ -62,17 +65,8 @@ struct us_unusual_dev {
 	__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  */
@@ -82,14 +76,9 @@ struct us_unusual_dev {
 #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
 
 /*
@@ -100,19 +89,24 @@ struct us_unusual_dev {
  */
 
 #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     */
@@ -124,11 +118,9 @@ struct us_data {
 	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;
@@ -142,33 +134,38 @@ struct us_data {
 	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 struct Scsi_Host inline *us_to_host(struct us_data *us) {
+	return container_of((void *) us, struct Scsi_Host, hostdata);
+}
+static struct us_data inline *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,