Differential D4143 Diff 10572 head/sys/boot/usb/storage/umass_loader.c

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head/sys/boot/usb/storage/umass_loader.c

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#include USB_GLOBAL_INCLUDE_FILE		#include USB_GLOBAL_INCLUDE_FILE

#include "umass_common.h"		#include "umass_common.h"

static int umass_disk_init(void);		static int umass_disk_init(void);
static int umass_disk_open(struct open_file *,...);		static int umass_disk_open(struct open_file *,...);
static int umass_disk_close(struct open_file *);		static int umass_disk_close(struct open_file *);
static void umass_disk_cleanup(void);		static void umass_disk_cleanup(void);
		static int umass_disk_ioctl(struct open_file , u_long, void );
static int umass_disk_strategy(void , int, daddr_t, size_t, char , size_t *);		static int umass_disk_strategy(void , int, daddr_t, size_t, char , size_t *);
static void umass_disk_print(int);		static void umass_disk_print(int);

struct devsw umass_disk = {		struct devsw umass_disk = {
.dv_name = "umass",		.dv_name = "umass",
.dv_type = DEVT_DISK,		.dv_type = DEVT_DISK,
.dv_init = umass_disk_init,		.dv_init = umass_disk_init,
.dv_strategy = umass_disk_strategy,		.dv_strategy = umass_disk_strategy,
.dv_open = umass_disk_open,		.dv_open = umass_disk_open,
.dv_close = umass_disk_close,		.dv_close = umass_disk_close,
.dv_ioctl = noioctl,		.dv_ioctl = umass_disk_ioctl,
.dv_print = umass_disk_print,		.dv_print = umass_disk_print,
.dv_cleanup = umass_disk_cleanup,		.dv_cleanup = umass_disk_cleanup,
};		};

static int		static int
umass_disk_init(void)		umass_disk_init(void)
{		{
uint32_t time;		uint32_t time;
▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Lines	umass_disk_open(struct open_file *f,...)
dev = va_arg(ap, struct disk_devdesc *);		dev = va_arg(ap, struct disk_devdesc *);
va_end(ap);		va_end(ap);

if (umass_uaa.device == NULL)		if (umass_uaa.device == NULL)
return (ENXIO);		return (ENXIO);
if (dev->d_unit != 0)		if (dev->d_unit != 0)
return (EIO);		return (EIO);
return (umass_disk_open_sub(dev));		return (umass_disk_open_sub(dev));
		}

		static int
		umass_disk_ioctl(struct open_file f __unused, u_long cmd, void buf)
		{
		uint32_t nblock;
		uint32_t blocksize;

		switch (cmd) {
		case IOCTL_GET_BLOCK_SIZE:
		case IOCTL_GET_BLOCKS:
		if (usb_msc_read_capacity(umass_uaa.device, 0,
		&nblock, &blocksize) != 0)
		return (EINVAL);

		if (cmd == IOCTL_GET_BLOCKS)
		(uint32_t)buf = nblock;
		else
		(uint32_t)buf = blocksize;

		return (0);
		default:
		return (ENXIO);
		}
}		}

static int		static int
umass_disk_close(struct open_file *f)		umass_disk_close(struct open_file *f)
{		{
struct disk_devdesc *dev;		struct disk_devdesc *dev;

dev = (struct disk_devdesc *)f->f_devdata;		dev = (struct disk_devdesc *)f->f_devdata;
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