diff options
Diffstat (limited to 'include/drivers/io/io_mtd.h')
| -rw-r--r-- | include/drivers/io/io_mtd.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/drivers/io/io_mtd.h b/include/drivers/io/io_mtd.h index 1395ff601..2b5d9b101 100644 --- a/include/drivers/io/io_mtd.h +++ b/include/drivers/io/io_mtd.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2019-2021, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -44,11 +44,22 @@ typedef struct io_mtd_ops { * Return 0 on success, a negative error code otherwise. */ int (*write)(unsigned int offset, uintptr_t buffer, size_t length); + + /* + * Look for an offset to be added to the given offset. + * + * @base: Base address of the area. + * @offset: Offset in bytes to start read operation. + * @extra_offset: [out] Offset to be added to the previous offset. + * Return 0 on success, a negative error code otherwise. + */ + int (*seek)(uintptr_t base, unsigned int offset, size_t *extra_offset); } io_mtd_ops_t; typedef struct io_mtd_dev_spec { unsigned long long device_size; unsigned int erase_size; + size_t offset; io_mtd_ops_t ops; } io_mtd_dev_spec_t; |