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Differential D8644 Diff 23473 head/sys/boot/i386/libi386/biosdisk.c

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head/sys/boot/i386/libi386/biosdisk.c

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static int bd_read(struct disk_devdesc *dev, daddr_t dblk, int blks, static int bd_read(struct disk_devdesc *dev, daddr_t dblk, int blks,
caddr_t dest); caddr_t dest);
static int bd_write(struct disk_devdesc *dev, daddr_t dblk, int blks, static int bd_write(struct disk_devdesc *dev, daddr_t dblk, int blks,
caddr_t dest); caddr_t dest);
static int bd_int13probe(struct bdinfo *bd); static int bd_int13probe(struct bdinfo *bd);
static int bd_init(void); static int bd_init(void);
static int bd_strategy(void *devdata, int flag, daddr_t dblk, size_t offset, static int bd_strategy(void *devdata, int flag, daddr_t dblk, size_t size,
size_t size, char *buf, size_t *rsize); char *buf, size_t *rsize);
static int bd_realstrategy(void *devdata, int flag, daddr_t dblk, size_t offset, static int bd_realstrategy(void *devdata, int flag, daddr_t dblk, size_t size,
size_t size, char *buf, size_t *rsize); char *buf, size_t *rsize);
static int bd_open(struct open_file *f, ...); static int bd_open(struct open_file *f, ...);
static int bd_close(struct open_file *f); static int bd_close(struct open_file *f);
static int bd_ioctl(struct open_file *f, u_long cmd, void *data); static int bd_ioctl(struct open_file *f, u_long cmd, void *data);
static int bd_print(int verbose); static int bd_print(int verbose);
static void bd_cleanup(void); static void bd_cleanup(void);
#ifdef LOADER_GELI_SUPPORT #ifdef LOADER_GELI_SUPPORT
static enum isgeli { static enum isgeli {
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break; break;
default: default:
return (ENOTTY); return (ENOTTY);
} }
return (0); return (0);
} }
static int static int
bd_strategy(void *devdata, int rw, daddr_t dblk, size_t offset, size_t size, bd_strategy(void *devdata, int rw, daddr_t dblk, size_t size,
char *buf, size_t *rsize) char *buf, size_t *rsize)
{ {
struct bcache_devdata bcd; struct bcache_devdata bcd;
struct disk_devdesc *dev; struct disk_devdesc *dev;
dev = (struct disk_devdesc *)devdata; dev = (struct disk_devdesc *)devdata;
bcd.dv_strategy = bd_realstrategy; bcd.dv_strategy = bd_realstrategy;
bcd.dv_devdata = devdata; bcd.dv_devdata = devdata;
bcd.dv_cache = BD(dev).bd_bcache; bcd.dv_cache = BD(dev).bd_bcache;
return (bcache_strategy(&bcd, rw, dblk + dev->d_offset, offset, return (bcache_strategy(&bcd, rw, dblk + dev->d_offset,
size, buf, rsize)); size, buf, rsize));
} }
static int static int
bd_realstrategy(void *devdata, int rw, daddr_t dblk, size_t offset, size_t size, bd_realstrategy(void *devdata, int rw, daddr_t dblk, size_t size,
char *buf, size_t *rsize) char *buf, size_t *rsize)
{ {
struct disk_devdesc *dev = (struct disk_devdesc *)devdata; struct disk_devdesc *dev = (struct disk_devdesc *)devdata;
int blks, remaining; int blks, remaining;
#ifdef BD_SUPPORT_FRAGS /* XXX: sector size */ #ifdef BD_SUPPORT_FRAGS /* XXX: sector size */
char fragbuf[BIOSDISK_SECSIZE]; char fragbuf[BIOSDISK_SECSIZE];
size_t fragsize; size_t fragsize;
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