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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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src/net/fcp.c
+3 -3
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@@ -413,7 +413,7 @@ static int fcpcmd_recv_rddata ( struct fcp_command *fcpcmd,
fcpdev, fcpcmd->xchg_id, offset, ( offset + len ) );
/* Copy to user buffer */
copy_to_user ( command->data_in, offset, iobuf->data, len );
memcpy ( ( command->data_in + offset ), iobuf->data, len );
fcpcmd->offset += len;
assert ( fcpcmd->offset <= command->data_in_len );
@@ -464,8 +464,8 @@ static int fcpcmd_send_wrdata ( struct fcp_command *fcpcmd ) {
}
/* Construct data IU frame */
copy_from_user ( iob_put ( iobuf, len ), command->data_out,
fcpcmd->offset, len );
memcpy ( iob_put ( iobuf, len ),
( command->data_out + fcpcmd->offset ), len );
memset ( &meta, 0, sizeof ( meta ) );
meta.flags = ( XFER_FL_RESPONSE | XFER_FL_ABS_OFFSET );
meta.offset = fcpcmd->offset;