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storage/stream: elimination of usage of the flash API internals

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Module was using flash driver implementation API call
`page_layout()` which is part driver implementation
interface API.

This patch re-implement this part of code using
`flash_page_foreach()` public API function.

Signed-off-by: Andrzej Puzdrowski <andrzej.puzdrowski@nordicsemi.no>
This commit is contained in:
Andrzej Puzdrowski 2020-11-06 17:50:30 +01:00 • committed by Carles Cufí
commit 450b82aeb7
1 changed files with 32 additions and 17 deletions
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49
subsys/storage/stream/stream_flash.c
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@ -181,6 +181,27 @@ size_t stream_flash_bytes_written(struct stream_flash_ctx *ctx)
return ctx->bytes_written;
}
struct _inspect_flash {
size_t buf_len;
size_t total_size;
};
static bool find_flash_total_size(const struct flash_pages_info *info,
void *data)
{
struct _inspect_flash *ctx = (struct _inspect_flash *) data;
if (ctx->buf_len > info->size) {
LOG_ERR("Buffer size is bigger than page");
ctx->total_size = 0;
return false;
}
ctx->total_size += info->size;
return true;
}
int stream_flash_init(struct stream_flash_ctx *ctx, const struct device *fdev,
uint8_t *buf, size_t buf_len, size_t offset, size_t size,
stream_flash_callback_t cb)
@ -189,10 +210,10 @@ int stream_flash_init(struct stream_flash_ctx *ctx, const struct device *fdev,
return -EFAULT;
}
size_t layout_size = 0;
size_t total_size = 0;
const struct flash_pages_layout *layout;
const struct flash_driver_api *api = fdev->api;
struct _inspect_flash inspect_flash_ctx = {
.buf_len = buf_len,
.total_size = 0
};
if (buf_len % flash_get_write_block_size(fdev)) {
LOG_ERR("Buffer size is not aligned to minimal write-block-size");
@ -200,21 +221,14 @@ int stream_flash_init(struct stream_flash_ctx *ctx, const struct device *fdev,
}
/* Calculate the total size of the flash device */
api->page_layout(fdev, &layout, &layout_size);
for (int i = 0; i < layout_size; i++) {
total_size += layout->pages_count * layout->pages_size;
if (buf_len > layout->pages_size) {
LOG_ERR("Buffer size is bigger than page");
return -EFAULT;
}
layout++;
flash_page_foreach(fdev, find_flash_total_size, &inspect_flash_ctx);
/* The flash size counted should never be equal zero */
if (inspect_flash_ctx.total_size == 0) {
return -EFAULT;
}
if ((offset + size) > total_size ||
if ((offset + size) > inspect_flash_ctx.total_size ||
offset % flash_get_write_block_size(fdev)) {
LOG_ERR("Incorrect parameter");
return -EFAULT;
@ -226,7 +240,8 @@ int stream_flash_init(struct stream_flash_ctx *ctx, const struct device *fdev,
ctx->bytes_written = 0;
ctx->buf_bytes = 0U;
ctx->offset = offset;
ctx->available = (size == 0 ? total_size - offset : size);
ctx->available = (size == 0 ? inspect_flash_ctx.total_size - offset :
size);
ctx->callback = cb;
#ifdef CONFIG_STREAM_FLASH_ERASE