1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
2 /*
3 * Copyright (C) 2019, STMicroelectronics - All Rights Reserved
4 */
5 #include <dfu.h>
6 #include <errno.h>
7 #include <log.h>
8 #include <malloc.h>
9
dfu_write_medium_virt(struct dfu_entity * dfu,u64 offset,void * buf,long * len)10 int __weak dfu_write_medium_virt(struct dfu_entity *dfu, u64 offset,
11 void *buf, long *len)
12 {
13 debug("%s: off=0x%llx, len=0x%x\n", __func__, offset, (u32)*len);
14
15 return 0;
16 }
17
dfu_get_medium_size_virt(struct dfu_entity * dfu,u64 * size)18 int __weak dfu_get_medium_size_virt(struct dfu_entity *dfu, u64 *size)
19 {
20 *size = 0;
21
22 return 0;
23 }
24
dfu_read_medium_virt(struct dfu_entity * dfu,u64 offset,void * buf,long * len)25 int __weak dfu_read_medium_virt(struct dfu_entity *dfu, u64 offset,
26 void *buf, long *len)
27 {
28 debug("%s: off=0x%llx, len=0x%x\n", __func__, offset, (u32)*len);
29 *len = 0;
30
31 return 0;
32 }
33
dfu_fill_entity_virt(struct dfu_entity * dfu,char * devstr,char ** argv,int argc)34 int dfu_fill_entity_virt(struct dfu_entity *dfu, char *devstr, char **argv, int argc)
35 {
36 debug("%s: devstr = %s\n", __func__, devstr);
37
38 if (argc != 0)
39 return -EINVAL;
40
41 dfu->dev_type = DFU_DEV_VIRT;
42 dfu->layout = DFU_RAW_ADDR;
43 dfu->data.virt.dev_num = dectoul(devstr, NULL);
44
45 dfu->write_medium = dfu_write_medium_virt;
46 dfu->get_medium_size = dfu_get_medium_size_virt;
47 dfu->read_medium = dfu_read_medium_virt;
48
49 dfu->inited = 0;
50
51 return 0;
52 }
53