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[block] Remove userptr_t from block device abstraction

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Simplify the block device code by assuming that all read/write buffers
are directly accessible via pointer dereferences.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2025-04-24 17:11:30 +01:00
parent 2742ed5d77
commit 2f11f466e6
19 changed files with 86 additions and 93 deletions
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8
src/core/blocktrans.c
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@@ -81,7 +81,7 @@ static void blktrans_xferbuf_write ( struct xfer_buffer *xferbuf, size_t offset,
if ( blktrans->buffer ) {
/* Write data to buffer */
copy_to_user ( blktrans->buffer, offset, data, len );
memcpy ( ( blktrans->buffer + offset ), data, len );
} else {
@@ -107,7 +107,7 @@ static void blktrans_xferbuf_read ( struct xfer_buffer *xferbuf, size_t offset,
if ( blktrans->buffer ) {
/* Read data from buffer */
copy_from_user ( data, blktrans->buffer, offset, len );
memcpy ( data, ( blktrans->buffer + offset ), len );
} else {
@@ -216,11 +216,11 @@ static struct interface_descriptor blktrans_xfer_desc =
* Insert block device translator
*
* @v block Block device interface
* @v buffer Data buffer (or UNULL)
* @v buffer Data buffer (or NULL)
* @v size Length of data buffer, or block size
* @ret rc Return status code
*/
int block_translate ( struct interface *block, userptr_t buffer, size_t size ) {
int block_translate ( struct interface *block, void *buffer, size_t size ) {
struct block_translator *blktrans;
int rc;