DECLARE_GLOBAL_DATA_PTR;
-#ifndef CONFIG_BLK
-static struct host_block_dev host_devices[CONFIG_HOST_MAX_DEVICES];
-
-static struct host_block_dev *find_host_device(int dev)
-{
- if (dev >= 0 && dev < CONFIG_HOST_MAX_DEVICES)
- return &host_devices[dev];
-
- return NULL;
-}
-#endif
-
-#ifdef CONFIG_BLK
static unsigned long host_block_read(struct udevice *dev,
unsigned long start, lbaint_t blkcnt,
void *buffer)
struct host_block_dev *host_dev = dev_get_priv(dev);
struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
-#else
-static unsigned long host_block_read(struct blk_desc *block_dev,
- unsigned long start, lbaint_t blkcnt,
- void *buffer)
-{
- int dev = block_dev->devnum;
- struct host_block_dev *host_dev = find_host_device(dev);
-
- if (!host_dev)
- return -1;
-#endif
-
if (os_lseek(host_dev->fd, start * block_dev->blksz, OS_SEEK_SET) ==
-1) {
printf("ERROR: Invalid block %lx\n", start);
return -1;
}
-#ifdef CONFIG_BLK
static unsigned long host_block_write(struct udevice *dev,
unsigned long start, lbaint_t blkcnt,
const void *buffer)
{
struct host_block_dev *host_dev = dev_get_priv(dev);
struct blk_desc *block_dev = dev_get_uclass_platdata(dev);
-#else
-static unsigned long host_block_write(struct blk_desc *block_dev,
- unsigned long start, lbaint_t blkcnt,
- const void *buffer)
-{
- int dev = block_dev->devnum;
- struct host_block_dev *host_dev = find_host_device(dev);
-#endif
if (os_lseek(host_dev->fd, start * block_dev->blksz, OS_SEEK_SET) ==
-1) {
return -1;
}
-#ifdef CONFIG_BLK
int host_dev_bind(int devnum, char *filename)
{
struct host_block_dev *host_dev;
free(str);
return ret;
}
-#else
-int host_dev_bind(int dev, char *filename)
-{
- struct host_block_dev *host_dev = find_host_device(dev);
-
- if (!host_dev)
- return -1;
- if (host_dev->blk_dev.priv) {
- os_close(host_dev->fd);
- host_dev->blk_dev.priv = NULL;
- }
- if (host_dev->filename)
- free(host_dev->filename);
- if (filename && *filename) {
- host_dev->filename = strdup(filename);
- } else {
- host_dev->filename = NULL;
- return 0;
- }
-
- host_dev->fd = os_open(host_dev->filename, OS_O_RDWR);
- if (host_dev->fd == -1) {
- printf("Failed to access host backing file '%s'\n",
- host_dev->filename);
- return 1;
- }
-
- struct blk_desc *blk_dev = &host_dev->blk_dev;
- blk_dev->if_type = IF_TYPE_HOST;
- blk_dev->priv = host_dev;
- blk_dev->blksz = 512;
- blk_dev->lba = os_lseek(host_dev->fd, 0, OS_SEEK_END) / blk_dev->blksz;
- blk_dev->block_read = host_block_read;
- blk_dev->block_write = host_block_write;
- blk_dev->devnum = dev;
- blk_dev->part_type = PART_TYPE_UNKNOWN;
- part_init(blk_dev);
-
- return 0;
-}
-#endif
int host_get_dev_err(int devnum, struct blk_desc **blk_devp)
{
-#ifdef CONFIG_BLK
struct udevice *dev;
int ret;
if (ret)
return ret;
*blk_devp = dev_get_uclass_platdata(dev);
-#else
- struct host_block_dev *host_dev = find_host_device(devnum);
-
- if (!host_dev)
- return -ENODEV;
-
- if (!host_dev->blk_dev.priv)
- return -ENOENT;
-
- *blk_devp = &host_dev->blk_dev;
-#endif
return 0;
}
return blk_dev;
}
-#ifdef CONFIG_BLK
static const struct blk_ops sandbox_host_blk_ops = {
.read = host_block_read,
.write = host_block_write,
.ops = &sandbox_host_blk_ops,
.priv_auto_alloc_size = sizeof(struct host_block_dev),
};
-#endif