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[block] Provide sandev_read() and sandev_write() as global symbols

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2017-04-26 20:00:10 +01:00
parent 2d79b20f2a
commit dd976cb50d
4 changed files with 83 additions and 50 deletions
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17
src/interface/efi/efi_block.c
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@@ -102,15 +102,14 @@ struct efi_block_data {
* @v lba Starting LBA
* @v data Data buffer
* @v len Size of buffer
* @v block_rw Block read/write method
* @v sandev_rw SAN device read/write method
* @ret rc Return status code
*/
static int efi_block_rw ( struct san_device *sandev, uint64_t lba,
void *data, size_t len,
int ( * block_rw ) ( struct interface *control,
struct interface *data,
uint64_t lba, unsigned int count,
userptr_t buffer, size_t len ) ){
int ( * sandev_rw ) ( struct san_device *sandev,
uint64_t lba, unsigned int count,
userptr_t buffer ) ) {
struct efi_block_data *block = sandev->priv;
unsigned int count;
int rc;
@@ -124,8 +123,8 @@ static int efi_block_rw ( struct san_device *sandev, uint64_t lba,
}
/* Read from / write to block device */
if ( ( rc = sandev_rw ( sandev, lba, count, virt_to_user ( data ),
block_rw ) ) != 0 ) {
if ( ( rc = sandev_rw ( sandev, lba, count,
virt_to_user ( data ) ) ) != 0 ) {
DBGC ( sandev, "EFIBLK %#02x I/O failed: %s\n",
sandev->drive, strerror ( rc ) );
return rc;
@@ -176,7 +175,7 @@ efi_block_io_read ( EFI_BLOCK_IO_PROTOCOL *block_io, UINT32 media __unused,
DBGC2 ( sandev, "EFIBLK %#02x read LBA %#08llx to %p+%#08zx\n",
sandev->drive, lba, data, ( ( size_t ) len ) );
efi_snp_claim();
rc = efi_block_rw ( sandev, lba, data, len, block_read );
rc = efi_block_rw ( sandev, lba, data, len, sandev_read );
efi_snp_release();
return EFIRC ( rc );
}
@@ -202,7 +201,7 @@ efi_block_io_write ( EFI_BLOCK_IO_PROTOCOL *block_io, UINT32 media __unused,
DBGC2 ( sandev, "EFIBLK %#02x write LBA %#08llx from %p+%#08zx\n",
sandev->drive, lba, data, ( ( size_t ) len ) );
efi_snp_claim();
rc = efi_block_rw ( sandev, lba, data, len, block_write );
rc = efi_block_rw ( sandev, lba, data, len, sandev_write );
efi_snp_release();
return EFIRC ( rc );
}