1 files changed, 0 insertions, 261 deletions

diff --git a/qemu/roms/ipxe/src/core/blocktrans.c b/qemu/roms/ipxe/src/core/blocktrans.c
deleted file mode 100644
index 3f32f9cf8..000000000
--- a/qemu/roms/ipxe/src/core/blocktrans.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
- * Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-/**
- * @file
- *
- * Block device translator
- *
- */
-
-#include <stdlib.h>
-#include <errno.h>
-#include <assert.h>
-#include <ipxe/iobuf.h>
-#include <ipxe/xfer.h>
-#include <ipxe/blockdev.h>
-#include <ipxe/blocktrans.h>
-
-/**
- * Reallocate block device translator data buffer
- *
- * @v xferbuf		Data transfer buffer
- * @v len		New length (or zero to free buffer)
- * @ret rc		Return status code
- */
-static int blktrans_xferbuf_realloc ( struct xfer_buffer *xferbuf,
-				      size_t len ) {
-	struct block_translator *blktrans =
-		container_of ( xferbuf, struct block_translator, xferbuf );
-
-	/* Record length, if applicable */
-	if ( blktrans->buffer ) {
-
-		/* We have a (non-reallocatable) data buffer */
-		return -ENOTSUP;
-
-	} else {
-
-		/* Record length (for block device capacity) */
-		xferbuf->len = len;
-		return 0;
-	}
-}
-
-/**
- * Write data to block device translator data buffer
- *
- * @v xferbuf		Data transfer buffer
- * @v offset		Starting offset
- * @v data		Data to copy
- * @v len		Length of data
- */
-static void blktrans_xferbuf_write ( struct xfer_buffer *xferbuf, size_t offset,
-				     const void *data, size_t len ) {
-	struct block_translator *blktrans =
-		container_of ( xferbuf, struct block_translator, xferbuf );
-
-	/* Write data to buffer, if applicable */
-	if ( blktrans->buffer ) {
-
-		/* Write data to buffer */
-		copy_to_user ( blktrans->buffer, offset, data, len );
-
-	} else {
-
-		/* Sanity check */
-		assert ( len == 0 );
-	}
-}
-
-/**
- * Read data from block device translator data buffer
- *
- * @v xferbuf		Data transfer buffer
- * @v offset		Starting offset
- * @v data		Data to read
- * @v len		Length of data
- */
-static void blktrans_xferbuf_read ( struct xfer_buffer *xferbuf, size_t offset,
-				    void *data, size_t len ) {
-	struct block_translator *blktrans =
-		container_of ( xferbuf, struct block_translator, xferbuf );
-
-	/* Read data from buffer, if applicable */
-	if ( blktrans->buffer ) {
-
-		/* Read data from buffer */
-		copy_from_user ( data, blktrans->buffer, offset, len );
-
-	} else {
-
-		/* Sanity check */
-		assert ( len == 0 );
-	}
-}
-
-/** Block device translator data transfer buffer operations */
-static struct xfer_buffer_operations blktrans_xferbuf_operations = {
-	.realloc = blktrans_xferbuf_realloc,
-	.write = blktrans_xferbuf_write,
-	.read = blktrans_xferbuf_read,
-};
-
-/**
- * Close block device translator
- *
- * @v blktrans		Block device translator
- * @v rc		Reason for close
- */
-static void blktrans_close ( struct block_translator *blktrans, int rc ) {
-	struct block_device_capacity capacity;
-
-	/* Report block device capacity, if applicable */
-	if ( ( rc == 0 ) && ( blktrans->blksize ) ) {
-
-		/* Construct block device capacity */
-		capacity.blocks =
-			( blktrans->xferbuf.len / blktrans->blksize );
-		capacity.blksize = blktrans->blksize;
-		capacity.max_count = -1U;
-
-		/* Report block device capacity */
-		block_capacity ( &blktrans->block, &capacity );
-	}
-
-	/* Shut down interfaces */
-	intf_shutdown ( &blktrans->xfer, rc );
-	intf_shutdown ( &blktrans->block, rc );
-}
-
-/**
- * Deliver data
- *
- * @v blktrans		Block device translator
- * @v iobuf		I/O buffer
- * @v meta		Data transfer metadata
- * @ret rc		Return status code
- */
-static int blktrans_deliver ( struct block_translator *blktrans,
-			      struct io_buffer *iobuf,
-			      struct xfer_metadata *meta ) {
-	int rc;
-
-	/* Deliver to buffer */
-	if ( ( rc = xferbuf_deliver ( &blktrans->xferbuf, iob_disown ( iobuf ),
-				      meta ) ) != 0 ) {
-		DBGC ( blktrans, "BLKTRANS %p could not deliver: %s\n",
-		       blktrans, strerror ( rc ) );
-		goto err;
-	}
-
-	return 0;
-
- err:
-	blktrans_close ( blktrans, rc );
-	return rc;
-}
-
-/**
- * Get underlying data transfer buffer
- *
- * @v blktrans		Block device translator
- * @ret xferbuf		Data transfer buffer
- */
-static struct xfer_buffer *
-blktrans_buffer ( struct block_translator *blktrans ) {
-
-	return &blktrans->xferbuf;
-}
-
-/** Block device translator block device interface operations */
-static struct interface_operation blktrans_block_operations[] = {
-	INTF_OP ( intf_close, struct block_translator *, blktrans_close ),
-};
-
-/** Block device translator block device interface descriptor */
-static struct interface_descriptor blktrans_block_desc =
-	INTF_DESC_PASSTHRU ( struct block_translator, block,
-			     blktrans_block_operations, xfer );
-
-/** Block device translator data transfer interface operations */
-static struct interface_operation blktrans_xfer_operations[] = {
-	INTF_OP ( xfer_deliver, struct block_translator *, blktrans_deliver ),
-	INTF_OP ( xfer_buffer, struct block_translator *, blktrans_buffer ),
-	INTF_OP ( intf_close, struct block_translator *, blktrans_close ),
-};
-
-/** Block device translator data transfer interface descriptor */
-static struct interface_descriptor blktrans_xfer_desc =
-	INTF_DESC_PASSTHRU ( struct block_translator, xfer,
-			     blktrans_xfer_operations, block );
-
-/**
- * Insert block device translator
- *
- * @v block		Block device interface
- * @v buffer		Data buffer (or UNULL)
- * @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 ) {
-	struct block_translator *blktrans;
-	int rc;
-
-	/* Allocate and initialise structure */
-	blktrans = zalloc ( sizeof ( *blktrans ) );
-	if ( ! blktrans ) {
-		rc = -ENOMEM;
-		goto err_alloc;
-	}
-	ref_init ( &blktrans->refcnt, NULL );
-	intf_init ( &blktrans->block, &blktrans_block_desc, &blktrans->refcnt );
-	intf_init ( &blktrans->xfer, &blktrans_xfer_desc, &blktrans->refcnt );
-	blktrans->xferbuf.op = &blktrans_xferbuf_operations;
-	blktrans->buffer = buffer;
-	if ( buffer ) {
-		blktrans->xferbuf.len = size;
-	} else {
-		blktrans->blksize = size;
-	}
-
-	/* Attach to interfaces, mortalise self, and return */
-	assert ( block->dest != &null_intf );
-	intf_plug_plug ( &blktrans->xfer, block->dest );
-	intf_plug_plug ( &blktrans->block, block );
-	ref_put ( &blktrans->refcnt );
-
-	DBGC2 ( blktrans, "BLKTRANS %p created", blktrans );
-	if ( buffer ) {
-		DBGC2 ( blktrans, " for %#lx+%#zx",
-			user_to_phys ( buffer, 0 ), size );
-	}
-	DBGC2 ( blktrans, "\n" );
-	return 0;
-
-	ref_put ( &blktrans->refcnt );
- err_alloc:
-	return rc;
-}