#include <part.h>
#include <malloc.h>
-static const efi_guid_t efi_block_io_guid = BLOCK_IO_GUID;
+const efi_guid_t efi_block_io_guid = BLOCK_IO_GUID;
struct efi_disk_obj {
/* Generic EFI object parent class data */
}
static efi_status_t EFIAPI efi_disk_read_blocks(struct efi_block_io *this,
- u32 media_id, u64 lba, unsigned long buffer_size,
+ u32 media_id, u64 lba, efi_uintn_t buffer_size,
void *buffer)
{
void *real_buffer = buffer;
real_buffer = efi_bounce_buffer;
#endif
- EFI_ENTRY("%p, %x, %"PRIx64", %lx, %p", this, media_id, lba,
+ EFI_ENTRY("%p, %x, %" PRIx64 ", %zx, %p", this, media_id, lba,
buffer_size, buffer);
r = efi_disk_rw_blocks(this, media_id, lba, buffer_size, real_buffer,
}
static efi_status_t EFIAPI efi_disk_write_blocks(struct efi_block_io *this,
- u32 media_id, u64 lba, unsigned long buffer_size,
+ u32 media_id, u64 lba, efi_uintn_t buffer_size,
void *buffer)
{
void *real_buffer = buffer;
real_buffer = efi_bounce_buffer;
#endif
- EFI_ENTRY("%p, %x, %"PRIx64", %lx, %p", this, media_id, lba,
+ EFI_ENTRY("%p, %x, %" PRIx64 ", %zx, %p", this, media_id, lba,
buffer_size, buffer);
/* Populate bounce buffer if necessary */
}
/*
- * Create a device for a disk
+ * Create a handle for a partition or disk
*
- * @name not used
+ * @parent parent handle
+ * @dp_parent parent device path
* @if_typename interface name for block device
* @desc internal block device
* @dev_index device index for block device
* @offset offset into disk for simple partitions
+ * @return disk object
*/
-static void efi_disk_add_dev(const char *name,
- const char *if_typename,
- struct blk_desc *desc,
- int dev_index,
- lbaint_t offset,
- unsigned int part)
+static efi_status_t efi_disk_add_dev(
+ efi_handle_t parent,
+ struct efi_device_path *dp_parent,
+ const char *if_typename,
+ struct blk_desc *desc,
+ int dev_index,
+ lbaint_t offset,
+ unsigned int part,
+ struct efi_disk_obj **disk)
{
struct efi_disk_obj *diskobj;
efi_status_t ret;
/* Don't add empty devices */
if (!desc->lba)
- return;
+ return EFI_NOT_READY;
diskobj = calloc(1, sizeof(*diskobj));
if (!diskobj)
- goto out_of_memory;
+ return EFI_OUT_OF_RESOURCES;
/* Hook up to the device list */
efi_add_handle(&diskobj->parent);
/* Fill in object data */
- diskobj->dp = efi_dp_from_part(desc, part);
+ if (part) {
+ struct efi_device_path *node = efi_dp_part_node(desc, part);
+
+ diskobj->dp = efi_dp_append_node(dp_parent, node);
+ efi_free_pool(node);
+ } else {
+ diskobj->dp = efi_dp_from_part(desc, part);
+ }
diskobj->part = part;
ret = efi_add_protocol(diskobj->parent.handle, &efi_block_io_guid,
&diskobj->ops);
if (ret != EFI_SUCCESS)
- goto out_of_memory;
+ return ret;
ret = efi_add_protocol(diskobj->parent.handle, &efi_guid_device_path,
diskobj->dp);
if (ret != EFI_SUCCESS)
- goto out_of_memory;
+ return ret;
if (part >= 1) {
diskobj->volume = efi_simple_file_system(desc, part,
diskobj->dp);
&efi_simple_file_system_protocol_guid,
diskobj->volume);
if (ret != EFI_SUCCESS)
- goto out_of_memory;
+ return ret;
}
diskobj->ops = block_io_disk_template;
diskobj->ifname = if_typename;
if (part != 0)
diskobj->media.logical_partition = 1;
diskobj->ops.media = &diskobj->media;
- return;
-out_of_memory:
- printf("ERROR: Out of memory\n");
+ if (disk)
+ *disk = diskobj;
+ return EFI_SUCCESS;
}
-static int efi_disk_create_partitions(struct blk_desc *desc,
- const char *if_typename,
- int diskid,
- const char *pdevname)
+/*
+ * Create handles and protocols for the partitions of a block device
+ *
+ * @parent handle of the parent disk
+ * @blk_desc block device
+ * @if_typename interface type
+ * @diskid device number
+ * @pdevname device name
+ * @return number of partitions created
+ */
+int efi_disk_create_partitions(efi_handle_t parent, struct blk_desc *desc,
+ const char *if_typename, int diskid,
+ const char *pdevname)
{
int disks = 0;
char devname[32] = { 0 }; /* dp->str is u16[32] long */
disk_partition_t info;
int part;
+ struct efi_device_path *dp = NULL;
+ efi_status_t ret;
+ struct efi_handler *handler;
+
+ /* Get the device path of the parent */
+ ret = efi_search_protocol(parent, &efi_guid_device_path, &handler);
+ if (ret == EFI_SUCCESS)
+ dp = handler->protocol_interface;
/* Add devices for each partition */
for (part = 1; part <= MAX_SEARCH_PARTITIONS; part++) {
continue;
snprintf(devname, sizeof(devname), "%s:%d", pdevname,
part);
- efi_disk_add_dev(devname, if_typename, desc, diskid,
- info.start, part);
+ ret = efi_disk_add_dev(parent, dp, if_typename, desc, diskid,
+ info.start, part, NULL);
+ if (ret != EFI_SUCCESS) {
+ printf("Adding partition %s failed\n", pdevname);
+ continue;
+ }
disks++;
}
*
* This gets called from do_bootefi_exec().
*/
-int efi_disk_register(void)
+efi_status_t efi_disk_register(void)
{
+ struct efi_disk_obj *disk;
int disks = 0;
+ efi_status_t ret;
#ifdef CONFIG_BLK
struct udevice *dev;
- for (uclass_first_device_check(UCLASS_BLK, &dev);
- dev;
+ for (uclass_first_device_check(UCLASS_BLK, &dev); dev;
uclass_next_device_check(&dev)) {
struct blk_desc *desc = dev_get_uclass_platdata(dev);
- const char *if_typename = dev->driver->name;
-
- printf("Scanning disk %s...\n", dev->name);
+ const char *if_typename = blk_get_if_type_name(desc->if_type);
/* Add block device for the full device */
- efi_disk_add_dev(dev->name, if_typename, desc,
- desc->devnum, 0, 0);
-
+ printf("Scanning disk %s...\n", dev->name);
+ ret = efi_disk_add_dev(NULL, NULL, if_typename,
+ desc, desc->devnum, 0, 0, &disk);
+ if (ret == EFI_NOT_READY) {
+ printf("Disk %s not ready\n", dev->name);
+ continue;
+ }
+ if (ret) {
+ printf("ERROR: failure to add disk device %s, r = %lu\n",
+ dev->name, ret & ~EFI_ERROR_MASK);
+ return ret;
+ }
disks++;
/* Partitions show up as block devices in EFI */
- disks += efi_disk_create_partitions(desc, if_typename,
- desc->devnum, dev->name);
+ disks += efi_disk_create_partitions(
+ disk->parent.handle, desc, if_typename,
+ desc->devnum, dev->name);
}
#else
int i, if_type;
if_typename, i);
/* Add block device for the full device */
- efi_disk_add_dev(devname, if_typename, desc, i, 0, 0);
+ ret = efi_disk_add_dev(NULL, NULL, if_typename, desc,
+ i, 0, 0, &disk);
+ if (ret == EFI_NOT_READY) {
+ printf("Disk %s not ready\n", devname);
+ continue;
+ }
+ if (ret) {
+ printf("ERROR: failure to add disk device %s, r = %lu\n",
+ devname, ret & ~EFI_ERROR_MASK);
+ return ret;
+ }
disks++;
/* Partitions show up as block devices in EFI */
- disks += efi_disk_create_partitions(desc, if_typename,
- i, devname);
+ disks += efi_disk_create_partitions(
+ disk->parent.handle, desc,
+ if_typename, i, devname);
}
}
#endif
printf("Found %d disks\n", disks);
- return 0;
+ return EFI_SUCCESS;
}
projects / people / ms / u-boot.git / blobdiff