[vmware] Expose GuestRPC mechanism in 64-bit builds

The GuestRPC mechanism (used for VMWARE_SETTINGS and CONSOLE_VMWARE)
does not use any real-mode code and so can be exposed in both 64-bit
and 32-bit builds.

Reported-by: Matthew Helton <mwhelton@gmail.com>
Signed-off-by: Michael Brown <mcb30@ipxe.org>

7 files changed, 0 insertions, 953 deletions

diff --git a/src/arch/i386/Makefile b/src/arch/i386/Makefile
index 7f706a5a..478e0634 100644
--- a/src/arch/i386/Makefile
+++ b/src/arch/i386/Makefile
@@ -115,7 +115,6 @@ SRCDIRS		+= arch/i386/interface/pcbios
 SRCDIRS		+= arch/i386/interface/pxe
 SRCDIRS		+= arch/i386/interface/pxeparent
 SRCDIRS 	+= arch/i386/interface/syslinux
-SRCDIRS		+= arch/i386/interface/vmware
 SRCDIRS		+= arch/i386/hci/commands
 
 # Include common x86 Makefile
diff --git a/src/arch/i386/include/ipxe/guestrpc.h b/src/arch/i386/include/ipxe/guestrpc.h
deleted file mode 100644
index bc3d8550..00000000
--- a/src/arch/i386/include/ipxe/guestrpc.h
+++ /dev/null
@@ -1,68 +0,0 @@
-#ifndef _IPXE_GUESTRPC_H
-#define _IPXE_GUESTRPC_H
-
-/** @file
- *
- * VMware GuestRPC mechanism
- *
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-#include <stdint.h>
-#include <ipxe/vmware.h>
-
-/** GuestRPC magic number */
-#define GUESTRPC_MAGIC 0x49435052 /* "RPCI" */
-
-/** Open RPC channel */
-#define GUESTRPC_OPEN 0x00
-
-/** Open RPC channel success status */
-#define GUESTRPC_OPEN_SUCCESS 0x00010000
-
-/** Send RPC command length */
-#define GUESTRPC_COMMAND_LEN 0x01
-
-/** Send RPC command length success status */
-#define GUESTRPC_COMMAND_LEN_SUCCESS 0x00810000
-
-/** Send RPC command data */
-#define GUESTRPC_COMMAND_DATA 0x02
-
-/** Send RPC command data success status */
-#define GUESTRPC_COMMAND_DATA_SUCCESS 0x00010000
-
-/** Receive RPC reply length */
-#define GUESTRPC_REPLY_LEN 0x03
-
-/** Receive RPC reply length success status */
-#define GUESTRPC_REPLY_LEN_SUCCESS 0x00830000
-
-/** Receive RPC reply data */
-#define GUESTRPC_REPLY_DATA 0x04
-
-/** Receive RPC reply data success status */
-#define GUESTRPC_REPLY_DATA_SUCCESS 0x00010000
-
-/** Finish receiving RPC reply */
-#define GUESTRPC_REPLY_FINISH 0x05
-
-/** Finish receiving RPC reply success status */
-#define GUESTRPC_REPLY_FINISH_SUCCESS 0x00010000
-
-/** Close RPC channel */
-#define GUESTRPC_CLOSE 0x06
-
-/** Close RPC channel success status */
-#define GUESTRPC_CLOSE_SUCCESS 0x00010000
-
-/** RPC command success status */
-#define GUESTRPC_SUCCESS 0x2031 /* "1 " */
-
-extern int guestrpc_open ( void );
-extern void guestrpc_close ( int channel );
-extern int guestrpc_command ( int channel, const char *command, char *reply,
-			      size_t reply_len );
-
-#endif /* _IPXE_GUESTRPC_H */
diff --git a/src/arch/i386/include/ipxe/vmware.h b/src/arch/i386/include/ipxe/vmware.h
deleted file mode 100644
index 24f60a03..00000000
--- a/src/arch/i386/include/ipxe/vmware.h
+++ /dev/null
@@ -1,81 +0,0 @@
-#ifndef _IPXE_VMWARE_H
-#define _IPXE_VMWARE_H
-
-/** @file
- *
- * VMware backdoor mechanism
- *
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-#include <stdint.h>
-
-/** VMware backdoor I/O port */
-#define VMW_PORT 0x5658
-
-/** VMware backdoor magic value */
-#define VMW_MAGIC 0x564d5868 /* "VMXh" */
-
-/** VMware backdoor magic instruction */
-#define VMW_BACKDOOR "inl %%dx, %%eax"
-
-/** Get VMware version */
-#define VMW_CMD_GET_VERSION 0x0a
-
-/** Issue GuestRPC command */
-#define VMW_CMD_GUESTRPC 0x1e
-
-/**
- * Get VMware version
- *
- * @ret version		VMware version(?)
- * @ret magic		VMware magic number, if present
- * @ret product_type	VMware product type
- */
-static inline __attribute__ (( always_inline )) void
-vmware_cmd_get_version ( uint32_t *version, uint32_t *magic,
-			 uint32_t *product_type ) {
-	uint32_t discard_d;
-
-	/* Perform backdoor call */
-	__asm__ __volatile__ ( VMW_BACKDOOR
-			       : "=a" ( *version ), "=b" ( *magic ),
-				 "=c" ( *product_type ), "=d" ( discard_d )
-			       : "0" ( VMW_MAGIC ), "1" ( 0 ),
-				 "2" ( VMW_CMD_GET_VERSION ),
-				 "3" ( VMW_PORT ) );
-}
-
-/**
- * Issue GuestRPC command
- *
- * @v channel		Channel number
- * @v subcommand	GuestRPC subcommand
- * @v parameter		Subcommand-specific parameter
- * @ret edxhi		Subcommand-specific result
- * @ret ebx		Subcommand-specific result
- * @ret status		Command status
- */
-static inline __attribute__ (( always_inline )) uint32_t
-vmware_cmd_guestrpc ( int channel, uint16_t subcommand, uint32_t parameter,
-		      uint16_t *edxhi, uint32_t *ebx ) {
-	uint32_t discard_a;
-	uint32_t status;
-	uint32_t edx;
-
-	/* Perform backdoor call */
-	__asm__ __volatile__ ( VMW_BACKDOOR
-			       : "=a" ( discard_a ), "=b" ( *ebx ),
-				 "=c" ( status ), "=d" ( edx )
-			       : "0" ( VMW_MAGIC ), "1" ( parameter ),
-				 "2" ( VMW_CMD_GUESTRPC | ( subcommand << 16 )),
-				 "3" ( VMW_PORT | ( channel << 16 ) ) );
-	*edxhi = ( edx >> 16 );
-
-	return status;
-}
-
-extern int vmware_present ( void );
-
-#endif /* _IPXE_VMWARE_H */
diff --git a/src/arch/i386/interface/vmware/guestinfo.c b/src/arch/i386/interface/vmware/guestinfo.c
deleted file mode 100644
index a0530c8d..00000000
--- a/src/arch/i386/interface/vmware/guestinfo.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * Copyright (C) 2012 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.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER );
-
-/** @file
- *
- * VMware GuestInfo settings
- *
- */
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <ipxe/init.h>
-#include <ipxe/settings.h>
-#include <ipxe/netdevice.h>
-#include <ipxe/guestrpc.h>
-
-/** GuestInfo GuestRPC channel */
-static int guestinfo_channel;
-
-/**
- * Fetch value of typed GuestInfo setting
- *
- * @v settings		Settings block
- * @v setting		Setting to fetch
- * @v type		Setting type to attempt (or NULL for default)
- * @v data		Buffer to fill with setting data
- * @v len		Length of buffer
- * @ret found		Setting found in GuestInfo
- * @ret len		Length of setting data, or negative error
- */
-static int guestinfo_fetch_type ( struct settings *settings,
-				  struct setting *setting,
-				  const struct setting_type *type,
-				  void *data, size_t len, int *found ) {
-	const char *parent_name = settings->parent->name;
-	char command[ 24 /* "info-get guestinfo.ipxe." */ +
-		      strlen ( parent_name ) + 1 /* "." */ +
-		      strlen ( setting->name ) + 1 /* "." */ +
-		      ( type ? strlen ( type->name ) : 0 ) + 1 /* NUL */ ];
-	struct setting *predefined;
-	char *info;
-	int info_len;
-	int check_len;
-	int ret;
-
-	/* Construct info-get command */
-	snprintf ( command, sizeof ( command ),
-		   "info-get guestinfo.ipxe.%s%s%s%s%s",
-		   parent_name, ( parent_name[0] ? "." : "" ), setting->name,
-		   ( type ? "." : "" ), ( type ? type->name : "" ) );
-
-	/* Check for existence and obtain length of GuestInfo value */
-	info_len = guestrpc_command ( guestinfo_channel, command, NULL, 0 );
-	if ( info_len < 0 ) {
-		ret = info_len;
-		goto err_get_info_len;
-	}
-
-	/* Mark as found */
-	*found = 1;
-
-	/* Determine default type if necessary */
-	if ( ! type ) {
-		predefined = find_setting ( setting->name );
-		type = ( predefined ? predefined->type : &setting_type_string );
-	}
-	assert ( type != NULL );
-
-	/* Allocate temporary block to hold GuestInfo value */
-	info = zalloc ( info_len + 1 /* NUL */ );
-	if ( ! info ) {
-		DBGC ( settings, "GuestInfo %p could not allocate %d bytes\n",
-		       settings, info_len );
-		ret = -ENOMEM;
-		goto err_alloc;
-	}
-	info[info_len] = '\0';
-
-	/* Fetch GuestInfo value */
-	check_len = guestrpc_command ( guestinfo_channel, command,
-				       info, info_len );
-	if ( check_len < 0 ) {
-		ret = check_len;
-		goto err_get_info;
-	}
-	if ( check_len != info_len ) {
-		DBGC ( settings, "GuestInfo %p length mismatch (expected %d, "
-		       "got %d)\n", settings, info_len, check_len );
-		ret = -EIO;
-		goto err_get_info;
-	}
-	DBGC2 ( settings, "GuestInfo %p found %s = \"%s\"\n",
-		settings, &command[9] /* Skip "info-get " */, info );
-
-	/* Parse GuestInfo value according to type */
-	ret = setting_parse ( type, info, data, len );
-	if ( ret < 0 ) {
-		DBGC ( settings, "GuestInfo %p could not parse \"%s\" as %s: "
-		       "%s\n", settings, info, type->name, strerror ( ret ) );
-		goto err_parse;
-	}
-
- err_parse:
- err_get_info:
-	free ( info );
- err_alloc:
- err_get_info_len:
-	return ret;
-}
-
-/**
- * Fetch value of GuestInfo setting
- *
- * @v settings		Settings block
- * @v setting		Setting to fetch
- * @v data		Buffer to fill with setting data
- * @v len		Length of buffer
- * @ret len		Length of setting data, or negative error
- */
-static int guestinfo_fetch ( struct settings *settings,
-			     struct setting *setting,
-			     void *data, size_t len ) {
-	struct setting_type *type;
-	int found = 0;
-	int ret;
-
-	/* Try default type first */
-	ret = guestinfo_fetch_type ( settings, setting, NULL,
-				     data, len, &found );
-	if ( found )
-		return ret;
-
-	/* Otherwise, try all possible types */
-	for_each_table_entry ( type, SETTING_TYPES ) {
-		ret = guestinfo_fetch_type ( settings, setting, type,
-					     data, len, &found );
-		if ( found )
-			return ret;
-	}
-
-	/* Not found */
-	return -ENOENT;
-}
-
-/** GuestInfo settings operations */
-static struct settings_operations guestinfo_settings_operations = {
-	.fetch = guestinfo_fetch,
-};
-
-/** GuestInfo settings */
-static struct settings guestinfo_settings = {
-	.refcnt = NULL,
-	.siblings = LIST_HEAD_INIT ( guestinfo_settings.siblings ),
-	.children = LIST_HEAD_INIT ( guestinfo_settings.children ),
-	.op = &guestinfo_settings_operations,
-};
-
-/** Initialise GuestInfo settings */
-static void guestinfo_init ( void ) {
-	int rc;
-
-	/* Open GuestRPC channel */
-	guestinfo_channel = guestrpc_open();
-	if ( guestinfo_channel < 0 ) {
-		rc = guestinfo_channel;
-		DBG ( "GuestInfo could not open channel: %s\n",
-		      strerror ( rc ) );
-		return;
-	}
-
-	/* Register root GuestInfo settings */
-	if ( ( rc = register_settings ( &guestinfo_settings, NULL,
-					"vmware" ) ) != 0 ) {
-		DBG ( "GuestInfo could not register settings: %s\n",
-		      strerror ( rc ) );
-		return;
-	}
-}
-
-/** GuestInfo settings initialiser */
-struct init_fn guestinfo_init_fn __init_fn ( INIT_NORMAL ) = {
-	.initialise = guestinfo_init,
-};
-
-/**
- * Create per-netdevice GuestInfo settings
- *
- * @v netdev		Network device
- * @ret rc		Return status code
- */
-static int guestinfo_net_probe ( struct net_device *netdev ) {
-	struct settings *settings;
-	int rc;
-
-	/* Do nothing unless we have a GuestInfo channel available */
-	if ( guestinfo_channel < 0 )
-		return 0;
-
-	/* Allocate and initialise settings block */
-	settings = zalloc ( sizeof ( *settings ) );
-	if ( ! settings ) {
-		rc = -ENOMEM;
-		goto err_alloc;
-	}
-	settings_init ( settings, &guestinfo_settings_operations, NULL, NULL );
-
-	/* Register settings */
-	if ( ( rc = register_settings ( settings, netdev_settings ( netdev ),
-					"vmware" ) ) != 0 ) {
-		DBGC ( settings, "GuestInfo %p could not register for %s: %s\n",
-		       settings, netdev->name, strerror ( rc ) );
-		goto err_register;
-	}
-	DBGC ( settings, "GuestInfo %p registered for %s\n",
-	       settings, netdev->name );
-
-	return 0;
-
- err_register:
-	free ( settings );
- err_alloc:
-	return rc;
-}
-
-/**
- * Remove per-netdevice GuestInfo settings
- *
- * @v netdev		Network device
- */
-static void guestinfo_net_remove ( struct net_device *netdev ) {
-	struct settings *parent = netdev_settings ( netdev );
-	struct settings *settings;
-
-	list_for_each_entry ( settings, &parent->children, siblings ) {
-		if ( settings->op == &guestinfo_settings_operations ) {
-			DBGC ( settings, "GuestInfo %p unregistered for %s\n",
-			       settings, netdev->name );
-			unregister_settings ( settings );
-			free ( settings );
-			return;
-		}
-	}
-}
-
-/** GuestInfo per-netdevice driver */
-struct net_driver guestinfo_net_driver __net_driver = {
-	.name = "GuestInfo",
-	.probe = guestinfo_net_probe,
-	.remove = guestinfo_net_remove,
-};
diff --git a/src/arch/i386/interface/vmware/guestrpc.c b/src/arch/i386/interface/vmware/guestrpc.c
deleted file mode 100644
index ef7ee815..00000000
--- a/src/arch/i386/interface/vmware/guestrpc.c
+++ /dev/null
@@ -1,332 +0,0 @@
-/*
- * Copyright (C) 2012 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
- *
- * VMware GuestRPC mechanism
- *
- */
-
-#include <stdint.h>
-#include <string.h>
-#include <errno.h>
-#include <assert.h>
-#include <ipxe/vmware.h>
-#include <ipxe/guestrpc.h>
-
-/* Disambiguate the various error causes */
-#define EPROTO_OPEN __einfo_error ( EINFO_EPROTO_OPEN )
-#define EINFO_EPROTO_OPEN \
-	__einfo_uniqify ( EINFO_EPROTO, 0x00, "GuestRPC open failed" )
-#define EPROTO_COMMAND_LEN __einfo_error ( EINFO_EPROTO_COMMAND_LEN )
-#define EINFO_EPROTO_COMMAND_LEN \
-	__einfo_uniqify ( EINFO_EPROTO, 0x01, "GuestRPC command length failed" )
-#define EPROTO_COMMAND_DATA __einfo_error ( EINFO_EPROTO_COMMAND_DATA )
-#define EINFO_EPROTO_COMMAND_DATA \
-	__einfo_uniqify ( EINFO_EPROTO, 0x02, "GuestRPC command data failed" )
-#define EPROTO_REPLY_LEN __einfo_error ( EINFO_EPROTO_REPLY_LEN )
-#define EINFO_EPROTO_REPLY_LEN \
-	__einfo_uniqify ( EINFO_EPROTO, 0x03, "GuestRPC reply length failed" )
-#define EPROTO_REPLY_DATA __einfo_error ( EINFO_EPROTO_REPLY_DATA )
-#define EINFO_EPROTO_REPLY_DATA \
-	__einfo_uniqify ( EINFO_EPROTO, 0x04, "GuestRPC reply data failed" )
-#define EPROTO_REPLY_FINISH __einfo_error ( EINFO_EPROTO_REPLY_FINISH )
-#define EINFO_EPROTO_REPLY_FINISH \
-	__einfo_uniqify ( EINFO_EPROTO, 0x05, "GuestRPC reply finish failed" )
-#define EPROTO_CLOSE __einfo_error ( EINFO_EPROTO_CLOSE )
-#define EINFO_EPROTO_CLOSE \
-	__einfo_uniqify ( EINFO_EPROTO, 0x06, "GuestRPC close failed" )
-
-/**
- * Open GuestRPC channel
- *
- * @ret channel		Channel number, or negative error
- */
-int guestrpc_open ( void ) {
-	uint16_t channel;
-	uint32_t discard_b;
-	uint32_t status;
-
-	/* Issue GuestRPC command */
-	status = vmware_cmd_guestrpc ( 0, GUESTRPC_OPEN, GUESTRPC_MAGIC,
-				       &channel, &discard_b );
-	if ( status != GUESTRPC_OPEN_SUCCESS ) {
-		DBGC ( GUESTRPC_MAGIC, "GuestRPC open failed: status %08x\n",
-		       status );
-		return -EPROTO_OPEN;
-	}
-
-	DBGC ( GUESTRPC_MAGIC, "GuestRPC channel %d opened\n", channel );
-	return channel;
-}
-
-/**
- * Send GuestRPC command length
- *
- * @v channel		Channel number
- * @v len		Command length
- * @ret rc		Return status code
- */
-static int guestrpc_command_len ( int channel, size_t len ) {
-	uint16_t discard_d;
-	uint32_t discard_b;
-	uint32_t status;
-
-	/* Issue GuestRPC command */
-	status = vmware_cmd_guestrpc ( channel, GUESTRPC_COMMAND_LEN, len,
-				       &discard_d, &discard_b );
-	if ( status != GUESTRPC_COMMAND_LEN_SUCCESS ) {
-		DBGC ( GUESTRPC_MAGIC, "GuestRPC channel %d send command "
-		       "length %zd failed: status %08x\n",
-		       channel, len, status );
-		return -EPROTO_COMMAND_LEN;
-	}
-
-	return 0;
-}
-
-/**
- * Send GuestRPC command data
- *
- * @v channel		Channel number
- * @v data		Command data
- * @ret rc		Return status code
- */
-static int guestrpc_command_data ( int channel, uint32_t data ) {
-	uint16_t discard_d;
-	uint32_t discard_b;
-	uint32_t status;
-
-	/* Issue GuestRPC command */
-	status = vmware_cmd_guestrpc ( channel, GUESTRPC_COMMAND_DATA, data,
-				       &discard_d, &discard_b );
-	if ( status != GUESTRPC_COMMAND_DATA_SUCCESS ) {
-		DBGC ( GUESTRPC_MAGIC, "GuestRPC channel %d send command "
-		       "data %08x failed: status %08x\n",
-		       channel, data, status );
-		return -EPROTO_COMMAND_DATA;
-	}
-
-	return 0;
-}
-
-/**
- * Receive GuestRPC reply length
- *
- * @v channel		Channel number
- * @ret reply_id	Reply ID
- * @ret len		Reply length, or negative error
- */
-static int guestrpc_reply_len ( int channel, uint16_t *reply_id ) {
-	uint32_t len;
-	uint32_t status;
-
-	/* Issue GuestRPC command */
-	status = vmware_cmd_guestrpc ( channel, GUESTRPC_REPLY_LEN, 0,
-				       reply_id, &len );
-	if ( status != GUESTRPC_REPLY_LEN_SUCCESS ) {
-		DBGC ( GUESTRPC_MAGIC, "GuestRPC channel %d receive reply "
-		       "length failed: status %08x\n", channel, status );
-		return -EPROTO_REPLY_LEN;
-	}
-
-	return len;
-}
-
-/**
- * Receive GuestRPC reply data
- *
- * @v channel		Channel number
- * @v reply_id		Reply ID
- * @ret data		Reply data
- * @ret rc		Return status code
- */
-static int guestrpc_reply_data ( int channel, uint16_t reply_id,
-				 uint32_t *data ) {
-	uint16_t discard_d;
-	uint32_t status;
-
-	/* Issue GuestRPC command */
-	status = vmware_cmd_guestrpc ( channel, GUESTRPC_REPLY_DATA, reply_id,
-				       &discard_d, data );
-	if ( status != GUESTRPC_REPLY_DATA_SUCCESS ) {
-		DBGC ( GUESTRPC_MAGIC, "GuestRPC channel %d receive reply "
-		       "%d data failed: status %08x\n",
-		       channel, reply_id, status );
-		return -EPROTO_REPLY_DATA;
-	}
-
-	return 0;
-}
-
-/**
- * Finish receiving GuestRPC reply
- *
- * @v channel		Channel number
- * @v reply_id		Reply ID
- * @ret rc		Return status code
- */
-static int guestrpc_reply_finish ( int channel, uint16_t reply_id ) {
-	uint16_t discard_d;
-	uint32_t discard_b;
-	uint32_t status;
-
-	/* Issue GuestRPC command */
-	status = vmware_cmd_guestrpc ( channel, GUESTRPC_REPLY_FINISH, reply_id,
-				       &discard_d, &discard_b );
-	if ( status != GUESTRPC_REPLY_FINISH_SUCCESS ) {
-		DBGC ( GUESTRPC_MAGIC, "GuestRPC channel %d finish reply %d "
-		       "failed: status %08x\n", channel, reply_id, status );
-		return -EPROTO_REPLY_FINISH;
-	}
-
-	return 0;
-}
-
-/**
- * Close GuestRPC channel
- *
- * @v channel		Channel number
- */
-void guestrpc_close ( int channel ) {
-	uint16_t discard_d;
-	uint32_t discard_b;
-	uint32_t status;
-
-	/* Issue GuestRPC command */
-	status = vmware_cmd_guestrpc ( channel, GUESTRPC_CLOSE, 0,
-				       &discard_d, &discard_b );
-	if ( status != GUESTRPC_CLOSE_SUCCESS ) {
-		DBGC ( GUESTRPC_MAGIC, "GuestRPC channel %d close failed: "
-		       "status %08x\n", channel, status );
-		return;
-	}
-
-	DBGC ( GUESTRPC_MAGIC, "GuestRPC channel %d closed\n", channel );
-}
-
-/**
- * Issue GuestRPC command
- *
- * @v channel		Channel number
- * @v command		Command
- * @v reply		Reply buffer
- * @v reply_len		Length of reply buffer
- * @ret len		Length of reply, or negative error
- *
- * The actual length of the reply will be returned even if the buffer
- * was too small.
- */
-int guestrpc_command ( int channel, const char *command, char *reply,
-		       size_t reply_len ) {
-	const uint8_t *command_bytes = ( ( const void * ) command );
-	uint8_t *reply_bytes = ( ( void * ) reply );
-	size_t command_len = strlen ( command );
-	int orig_reply_len = reply_len;
-	uint16_t status;
-	uint8_t *status_bytes = ( ( void * ) &status );
-	size_t status_len = sizeof ( status );
-	uint32_t data;
-	uint16_t reply_id;
-	int len;
-	int remaining;
-	unsigned int i;
-	int rc;
-
-	DBGC2 ( GUESTRPC_MAGIC, "GuestRPC channel %d issuing command:\n",
-		channel );
-	DBGC2_HDA ( GUESTRPC_MAGIC, 0, command, command_len );
-
-	/* Sanity check */
-	assert ( ( reply != NULL ) || ( reply_len == 0 ) );
-
-	/* Send command length */
-	if ( ( rc = guestrpc_command_len ( channel, command_len ) ) < 0 )
-		return rc;
-
-	/* Send command data */
-	while ( command_len ) {
-		data = 0;
-		for ( i = sizeof ( data ) ; i ; i-- ) {
-			if ( command_len ) {
-				data = ( ( data & ~0xff ) |
-					 *(command_bytes++) );
-				command_len--;
-			}
-			data = ( ( data << 24 ) | ( data >> 8 ) );
-		}
-		if ( ( rc = guestrpc_command_data ( channel, data ) ) < 0 )
-			return rc;
-	}
-
-	/* Receive reply length */
-	if ( ( len = guestrpc_reply_len ( channel, &reply_id ) ) < 0 ) {
-		rc = len;
-		return rc;
-	}
-
-	/* Receive reply */
-	for ( remaining = len ; remaining > 0 ; remaining -= sizeof ( data ) ) {
-		if ( ( rc = guestrpc_reply_data ( channel, reply_id,
-						  &data ) ) < 0 ) {
-			return rc;
-		}
-		for ( i = sizeof ( data ) ; i ; i-- ) {
-			if ( status_len ) {
-				*(status_bytes++) = ( data & 0xff );
-				status_len--;
-				len--;
-			} else if ( reply_len ) {
-				*(reply_bytes++) = ( data & 0xff );
-				reply_len--;
-			}
-			data = ( ( data << 24 ) | ( data >> 8 ) );
-		}
-	}
-
-	/* Finish receiving RPC reply */
-	if ( ( rc = guestrpc_reply_finish ( channel, reply_id ) ) < 0 )
-		return rc;
-
-	DBGC2 ( GUESTRPC_MAGIC, "GuestRPC channel %d received reply (id %d, "
-		"length %d):\n", channel, reply_id, len );
-	DBGC2_HDA ( GUESTRPC_MAGIC, 0, &status, sizeof ( status ) );
-	DBGC2_HDA ( GUESTRPC_MAGIC, sizeof ( status ), reply,
-		    ( ( len < orig_reply_len ) ? len : orig_reply_len ) );
-
-	/* Check reply status */
-	if ( status != GUESTRPC_SUCCESS ) {
-		DBGC ( GUESTRPC_MAGIC, "GuestRPC channel %d command failed "
-		       "(status %04x, reply id %d, reply length %d):\n",
-		       channel, status, reply_id, len );
-		DBGC_HDA ( GUESTRPC_MAGIC, 0, command, command_len );
-		DBGC_HDA ( GUESTRPC_MAGIC, 0, &status, sizeof ( status ) );
-		DBGC_HDA ( GUESTRPC_MAGIC, sizeof ( status ), reply,
-			   ( ( len < orig_reply_len ) ? len : orig_reply_len ));
-		return -EIO;
-	}
-
-	return len;
-}
diff --git a/src/arch/i386/interface/vmware/vmconsole.c b/src/arch/i386/interface/vmware/vmconsole.c
deleted file mode 100644
index f7df4f75..00000000
--- a/src/arch/i386/interface/vmware/vmconsole.c
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright (C) 2012 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
- *
- * VMware logfile console
- *
- */
-
-#include <string.h>
-#include <ipxe/console.h>
-#include <ipxe/lineconsole.h>
-#include <ipxe/init.h>
-#include <ipxe/guestrpc.h>
-#include <config/console.h>
-
-/** VMware logfile console buffer size */
-#define VMCONSOLE_BUFSIZE 128
-
-/* Set default console usage if applicable */
-#if ! ( defined ( CONSOLE_VMWARE ) && CONSOLE_EXPLICIT ( CONSOLE_VMWARE ) )
-#undef CONSOLE_VMWARE
-#define CONSOLE_VMWARE ( CONSOLE_USAGE_ALL & ~CONSOLE_USAGE_TUI )
-#endif
-
-/** VMware logfile console GuestRPC channel */
-static int vmconsole_channel;
-
-/** VMware logfile console line buffer */
-static struct {
-	char prefix[4];
-	char message[VMCONSOLE_BUFSIZE];
-} vmconsole_buffer = {
-	.prefix = "log ",
-};
-
-/** VMware logfile console ANSI escape sequence handlers */
-static struct ansiesc_handler vmconsole_handlers[] = {
-	{ 0, NULL }
-};
-
-/** VMware logfile line console */
-static struct line_console vmconsole_line = {
-	.buffer = vmconsole_buffer.message,
-	.len = sizeof ( vmconsole_buffer.message ),
-	.ctx = {
-		.handlers = vmconsole_handlers,
-	},
-};
-
-/** VMware logfile console recursion marker */
-static int vmconsole_entered;
-
-/**
- * Print a character to VMware logfile console
- *
- * @v character		Character to be printed
- */
-static void vmconsole_putchar ( int character ) {
-	int rc;
-
-	/* Ignore if we are already mid-logging */
-	if ( vmconsole_entered )
-		return;
-
-	/* Fill line buffer */
-	if ( line_putchar ( &vmconsole_line, character ) == 0 )
-		return;
-
-	/* Guard against re-entry */
-	vmconsole_entered = 1;
-
-	/* Send log message */
-	if ( ( rc = guestrpc_command ( vmconsole_channel,
-				       vmconsole_buffer.prefix, NULL, 0 ) ) <0){
-		DBG ( "VMware console could not send log message: %s\n",
-		      strerror ( rc ) );
-	}
-
-	/* Clear re-entry flag */
-	vmconsole_entered = 0;
-}
-
-/** VMware logfile console driver */
-struct console_driver vmconsole __console_driver = {
-	.putchar = vmconsole_putchar,
-	.disabled = CONSOLE_DISABLED,
-	.usage = CONSOLE_VMWARE,
-};
-
-/**
- * Initialise VMware logfile console
- *
- */
-static void vmconsole_init ( void ) {
-	int rc;
-
-	/* Attempt to open console */
-	vmconsole_channel = guestrpc_open();
-	if ( vmconsole_channel < 0 ) {
-		rc = vmconsole_channel;
-		DBG ( "VMware console could not be initialised: %s\n",
-		      strerror ( rc ) );
-		return;
-	}
-
-	/* Mark console as available */
-	vmconsole.disabled = 0;
-}
-
-/**
- * VMware logfile console initialisation function
- */
-struct init_fn vmconsole_init_fn __init_fn ( INIT_CONSOLE ) = {
-	.initialise = vmconsole_init,
-};
diff --git a/src/arch/i386/interface/vmware/vmware.c b/src/arch/i386/interface/vmware/vmware.c
deleted file mode 100644
index a415465f..00000000
--- a/src/arch/i386/interface/vmware/vmware.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright (C) 2012 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
- *
- * VMware backdoor mechanism
- *
- * Based on the unofficial documentation at
- *
- *   http://sites.google.com/site/chitchatvmback/backdoor
- *
- */
-
-#include <stdint.h>
-#include <errno.h>
-#include <ipxe/vmware.h>
-
-/**
- * Detect VMware presence
- *
- * @ret rc		Return status code
- */
-int vmware_present ( void ) {
-	uint32_t version;
-	uint32_t magic;
-	uint32_t product_type;
-
-	/* Perform backdoor call */
-	vmware_cmd_get_version ( &version, &magic, &product_type );
-
-	/* Check for VMware presence */
-	if ( magic != VMW_MAGIC ) {
-		DBGC ( VMW_MAGIC, "VMware not present\n" );
-		return -ENOENT;
-	}
-
-	DBGC ( VMW_MAGIC, "VMware product type %04x version %08x detected\n",
-	       product_type, version );
-	return 0;
-}