diff options
Diffstat (limited to 'drivers/usb/storage/usb.h')
| -rw-r--r-- | drivers/usb/storage/usb.h | 40 |
1 files changed, 9 insertions, 31 deletions
diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h index 98b09711a739..7259fd1f6b0d 100644 --- a/drivers/usb/storage/usb.h +++ b/drivers/usb/storage/usb.h @@ -45,6 +45,7 @@ #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> @@ -63,38 +64,8 @@ struct us_unusual_dev { __u8 useProtocol; __u8 useTransport; int (*initFunction)(struct us_data *); - unsigned int flags; }; -/* - * Static flag definitions. We use this roundabout technique so that the - * proc_info() routine can automatically display a message for each flag. - */ -#define US_DO_ALL_FLAGS \ - US_FLAG(SINGLE_LUN, 0x00000001) \ - /* allow access to only LUN 0 */ \ - US_FLAG(NEED_OVERRIDE, 0x00000002) \ - /* unusual_devs entry is necessary */ \ - US_FLAG(SCM_MULT_TARG, 0x00000004) \ - /* supports multiple targets */ \ - US_FLAG(FIX_INQUIRY, 0x00000008) \ - /* INQUIRY response needs faking */ \ - US_FLAG(FIX_CAPACITY, 0x00000010) \ - /* READ CAPACITY response too big */ \ - US_FLAG(IGNORE_RESIDUE, 0x00000020) \ - /* reported residue is wrong */ \ - US_FLAG(BULK32, 0x00000040) \ - /* Uses 32-byte CBW length */ \ - US_FLAG(NOT_LOCKABLE, 0x00000080) \ - /* PREVENT/ALLOW not supported */ \ - US_FLAG(GO_SLOW, 0x00000100) \ - /* Need delay after Command phase */ \ - US_FLAG(NO_WP_DETECT, 0x00000200) \ - /* Don't check for write-protect */ \ - -#define US_FLAG(name, value) US_FL_##name = value , -enum { US_DO_ALL_FLAGS }; -#undef US_FLAG /* Dynamic flag definitions: used in set_bit() etc. */ #define US_FLIDX_URB_ACTIVE 18 /* 0x00040000 current_urb is in use */ @@ -122,7 +93,11 @@ enum { US_DO_ALL_FLAGS }; 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 { @@ -178,6 +153,9 @@ struct us_data { /* subdriver information */ void *extra; /* Any extra data */ extra_data_destructor extra_destructor;/* extra data destructor */ +#ifdef CONFIG_PM + pm_hook suspend_resume_hook; +#endif }; /* Convert between us_data and the corresponding Scsi_Host */ |