1 files changed, 0 insertions, 406 deletions

diff --git a/gpxe/src/net/infiniband/ib_srp.c b/gpxe/src/net/infiniband/ib_srp.c
deleted file mode 100644
index c156d3ae..00000000
--- a/gpxe/src/net/infiniband/ib_srp.c
+++ /dev/null
@@ -1,406 +0,0 @@
-/*
- * Copyright (C) 2009 Fen Systems Ltd <mbrown@fensystems.co.uk>.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- *   Redistributions of source code must retain the above copyright
- *   notice, this list of conditions and the following disclaimer.
- *
- *   Redistributions in binary form must reproduce the above copyright
- *   notice, this list of conditions and the following disclaimer in
- *   the documentation and/or other materials provided with the
- *   distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-FILE_LICENCE ( BSD2 );
-
-#include <stdlib.h>
-#include <errno.h>
-#include <gpxe/srp.h>
-#include <gpxe/infiniband.h>
-#include <gpxe/ib_cmrc.h>
-#include <gpxe/ib_srp.h>
-
-/**
- * @file
- *
- * SCSI RDMA Protocol over Infiniband
- *
- */
-
-/* Disambiguate the various possible EINVALs */
-#define EINVAL_BYTE_STRING_LEN ( EINVAL | EUNIQ_01 )
-#define EINVAL_BYTE_STRING ( EINVAL | EUNIQ_02 )
-#define EINVAL_INTEGER ( EINVAL | EUNIQ_03 )
-#define EINVAL_RP_TOO_SHORT ( EINVAL | EUNIQ_04 )
-
-/** IB SRP parse flags */
-enum ib_srp_parse_flags {
-	IB_SRP_PARSE_REQUIRED = 0x0000,
-	IB_SRP_PARSE_OPTIONAL = 0x8000,
-	IB_SRP_PARSE_FLAG_MASK = 0xf000,
-};
-
-/** IB SRP root path parameters */
-struct ib_srp_root_path {
-	/** SCSI LUN */
-	struct scsi_lun *lun;
-	/** SRP port IDs */
-	struct srp_port_ids *port_ids;
-	/** IB SRP parameters */
-	struct ib_srp_parameters *ib;
-};
-
-/**
- * Parse IB SRP root path byte-string value
- *
- * @v rp_comp		Root path component string
- * @v default_value	Default value to use if component string is empty
- * @ret value		Value
- */
-static int ib_srp_parse_byte_string ( const char *rp_comp, uint8_t *bytes,
-				      unsigned int size_flags ) {
-	size_t size = ( size_flags & ~IB_SRP_PARSE_FLAG_MASK );
-	size_t rp_comp_len = strlen ( rp_comp );
-	char buf[3];
-	char *buf_end;
-
-	/* Allow optional components to be empty */
-	if ( ( rp_comp_len == 0 ) &&
-	     ( size_flags & IB_SRP_PARSE_OPTIONAL ) )
-		return 0;
-
-	/* Check string length */
-	if ( rp_comp_len != ( 2 * size ) )
-		return -EINVAL_BYTE_STRING_LEN;
-
-	/* Parse byte string */
-	for ( ; size ; size--, rp_comp += 2, bytes++ ) {
-		memcpy ( buf, rp_comp, 2 );
-		buf[2] = '\0';
-		*bytes = strtoul ( buf, &buf_end, 16 );
-		if ( buf_end != &buf[2] )
-			return -EINVAL_BYTE_STRING;
-	}
-	return 0;
-}
-
-/**
- * Parse IB SRP root path integer value
- *
- * @v rp_comp		Root path component string
- * @v default_value	Default value to use if component string is empty
- * @ret value		Value
- */
-static int ib_srp_parse_integer ( const char *rp_comp, int default_value ) {
-	int value;
-	char *end;
-
-	value = strtoul ( rp_comp, &end, 16 );
-	if ( *end )
-		return -EINVAL_INTEGER;
-
-	if ( end == rp_comp )
-		return default_value;
-
-	return value;
-}
-
-/**
- * Parse IB SRP root path literal component
- *
- * @v rp_comp		Root path component string
- * @v rp		IB SRP root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_literal ( const char *rp_comp __unused,
-				  struct ib_srp_root_path *rp __unused ) {
-	/* Ignore */
-	return 0;
-}
-
-/**
- * Parse IB SRP root path source GID
- *
- * @v rp_comp		Root path component string
- * @v rp		IB SRP root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_sgid ( const char *rp_comp,
-			       struct ib_srp_root_path *rp ) {
-	struct ib_device *ibdev;
-
-	/* Default to the GID of the last opened Infiniband device */
-	if ( ( ibdev = last_opened_ibdev() ) != NULL )
-		memcpy ( &rp->ib->sgid, &ibdev->gid, sizeof ( rp->ib->sgid ) );
-
-	return ib_srp_parse_byte_string ( rp_comp, rp->ib->sgid.u.bytes,
-					  ( sizeof ( rp->ib->sgid ) |
-					    IB_SRP_PARSE_OPTIONAL ) );
-}
-
-/**
- * Parse IB SRP root path initiator identifier extension
- *
- * @v rp_comp		Root path component string
- * @v rp		IB SRP root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_initiator_id_ext ( const char *rp_comp,
-					   struct ib_srp_root_path *rp ) {
-	struct ib_srp_initiator_port_id *port_id =
-		ib_srp_initiator_port_id ( rp->port_ids );
-
-	return ib_srp_parse_byte_string ( rp_comp, port_id->id_ext.u.bytes,
-					  ( sizeof ( port_id->id_ext ) |
-					    IB_SRP_PARSE_OPTIONAL ) );
-}
-
-/**
- * Parse IB SRP root path initiator HCA GUID
- *
- * @v rp_comp		Root path component string
- * @v rp		IB SRP root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_initiator_hca_guid ( const char *rp_comp,
-					     struct ib_srp_root_path *rp ) {
-	struct ib_srp_initiator_port_id *port_id =
-		ib_srp_initiator_port_id ( rp->port_ids );
-
-	/* Default to the GUID portion of the source GID */
-	memcpy ( &port_id->hca_guid, &rp->ib->sgid.u.half[1],
-		 sizeof ( port_id->hca_guid ) );
-
-	return ib_srp_parse_byte_string ( rp_comp, port_id->hca_guid.u.bytes,
-					  ( sizeof ( port_id->hca_guid ) |
-					    IB_SRP_PARSE_OPTIONAL ) );
-}
-
-/**
- * Parse IB SRP root path destination GID
- *
- * @v rp_comp		Root path component string
- * @v rp		IB SRP root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_dgid ( const char *rp_comp,
-			       struct ib_srp_root_path *rp ) {
-	return ib_srp_parse_byte_string ( rp_comp, rp->ib->dgid.u.bytes,
-					  ( sizeof ( rp->ib->dgid ) |
-					    IB_SRP_PARSE_REQUIRED ) );
-}
-
-/**
- * Parse IB SRP root path partition key
- *
- * @v rp_comp		Root path component string
- * @v rp		IB SRP root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_pkey ( const char *rp_comp,
-			       struct ib_srp_root_path *rp ) {
-	int pkey;
-
-	if ( ( pkey = ib_srp_parse_integer ( rp_comp, IB_PKEY_DEFAULT ) ) < 0 )
-		return pkey;
-	rp->ib->pkey = pkey;
-	return 0;
-}
-
-/**
- * Parse IB SRP root path service ID
- *
- * @v rp_comp		Root path component string
- * @v rp		IB SRP root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_service_id ( const char *rp_comp,
-				     struct ib_srp_root_path *rp ) {
-	return ib_srp_parse_byte_string ( rp_comp, rp->ib->service_id.u.bytes,
-					  ( sizeof ( rp->ib->service_id ) |
-					    IB_SRP_PARSE_REQUIRED ) );
-}
-
-/**
- * Parse IB SRP root path LUN
- *
- * @v rp_comp		Root path component string
- * @v rp		IB SRP root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_lun ( const char *rp_comp,
-			      struct ib_srp_root_path *rp ) {
-	return scsi_parse_lun ( rp_comp, rp->lun );
-}
-
-/**
- * Parse IB SRP root path target identifier extension
- *
- * @v rp_comp		Root path component string
- * @v rp		IB SRP root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_target_id_ext ( const char *rp_comp,
-					struct ib_srp_root_path *rp ) {
-	struct ib_srp_target_port_id *port_id =
-		ib_srp_target_port_id ( rp->port_ids );
-
-	return ib_srp_parse_byte_string ( rp_comp, port_id->id_ext.u.bytes,
-					  ( sizeof ( port_id->id_ext ) |
-					    IB_SRP_PARSE_REQUIRED ) );
-}
-
-/**
- * Parse IB SRP root path target I/O controller GUID
- *
- * @v rp_comp		Root path component string
- * @v rp		IB SRP root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_target_ioc_guid ( const char *rp_comp,
-					  struct ib_srp_root_path *rp ) {
-	struct ib_srp_target_port_id *port_id =
-		ib_srp_target_port_id ( rp->port_ids );
-
-	return ib_srp_parse_byte_string ( rp_comp, port_id->ioc_guid.u.bytes,
-					  ( sizeof ( port_id->ioc_guid ) |
-					    IB_SRP_PARSE_REQUIRED ) );
-}
-
-/** IB SRP root path component parser */
-struct ib_srp_root_path_parser {
-	/**
-	 * Parse IB SRP root path component
-	 *
-	 * @v rp_comp		Root path component string
-	 * @v rp		IB SRP root path
-	 * @ret rc		Return status code
-	 */
-	int ( * parse ) ( const char *rp_comp, struct ib_srp_root_path *rp );
-};
-
-/** IB SRP root path components */
-static struct ib_srp_root_path_parser ib_srp_rp_parser[] = {
-	{ ib_srp_parse_literal },
-	{ ib_srp_parse_sgid },
-	{ ib_srp_parse_initiator_id_ext },
-	{ ib_srp_parse_initiator_hca_guid },
-	{ ib_srp_parse_dgid },
-	{ ib_srp_parse_pkey },
-	{ ib_srp_parse_service_id },
-	{ ib_srp_parse_lun },
-	{ ib_srp_parse_target_id_ext },
-	{ ib_srp_parse_target_ioc_guid },
-};
-
-/** Number of IB SRP root path components */
-#define IB_SRP_NUM_RP_COMPONENTS \
-	( sizeof ( ib_srp_rp_parser ) / sizeof ( ib_srp_rp_parser[0] ) )
-
-/**
- * Parse IB SRP root path
- *
- * @v srp		SRP device
- * @v rp_string		Root path
- * @ret rc		Return status code
- */
-static int ib_srp_parse_root_path ( struct srp_device *srp,
-				    const char *rp_string ) {
-	struct ib_srp_parameters *ib_params = ib_srp_params ( srp );
-	struct ib_srp_root_path rp = {
-		.lun = &srp->lun,
-		.port_ids = &srp->port_ids,
-		.ib = ib_params,
-	};
-	char rp_string_copy[ strlen ( rp_string ) + 1 ];
-	char *rp_comp[IB_SRP_NUM_RP_COMPONENTS];
-	char *rp_string_tmp = rp_string_copy;
-	unsigned int i = 0;
-	int rc;
-
-	/* Split root path into component parts */
-	strcpy ( rp_string_copy, rp_string );
-	while ( 1 ) {
-		rp_comp[i++] = rp_string_tmp;
-		if ( i == IB_SRP_NUM_RP_COMPONENTS )
-			break;
-		for ( ; *rp_string_tmp != ':' ; rp_string_tmp++ ) {
-			if ( ! *rp_string_tmp ) {
-				DBGC ( srp, "SRP %p root path \"%s\" too "
-				       "short\n", srp, rp_string );
-				return -EINVAL_RP_TOO_SHORT;
-			}
-		}
-		*(rp_string_tmp++) = '\0';
-	}
-
-	/* Parse root path components */
-	for ( i = 0 ; i < IB_SRP_NUM_RP_COMPONENTS ; i++ ) {
-		if ( ( rc = ib_srp_rp_parser[i].parse ( rp_comp[i],
-							&rp ) ) != 0 ) {
-			DBGC ( srp, "SRP %p could not parse \"%s\" in root "
-			       "path \"%s\": %s\n", srp, rp_comp[i],
-			       rp_string, strerror ( rc ) );
-			return rc;
-		}
-	}
-
-	return 0;
-}
-
-/**
- * Connect IB SRP session
- *
- * @v srp		SRP device
- * @ret rc		Return status code
- */
-static int ib_srp_connect ( struct srp_device *srp ) {
-	struct ib_srp_parameters *ib_params = ib_srp_params ( srp );
-	struct ib_device *ibdev;
-	int rc;
-
-	/* Identify Infiniband device */
-	ibdev = find_ibdev ( &ib_params->sgid );
-	if ( ! ibdev ) {
-		DBGC ( srp, "SRP %p could not identify Infiniband device\n",
-		       srp );
-		return -ENODEV;
-	}
-
-	/* Configure remaining SRP parameters */
-	srp->memory_handle = ibdev->rdma_key;
-
-	/* Open CMRC socket */
-	if ( ( rc = ib_cmrc_open ( &srp->socket, ibdev, &ib_params->dgid,
-				   &ib_params->service_id ) ) != 0 ) {
-		DBGC ( srp, "SRP %p could not open CMRC socket: %s\n",
-		       srp, strerror ( rc ) );
-		return rc;
-	}
-
-	return 0;
-}
-
-/** IB SRP transport type */
-struct srp_transport_type ib_srp_transport = {
-	.priv_len = sizeof ( struct ib_srp_parameters ),
-	.parse_root_path = ib_srp_parse_root_path,
-	.connect = ib_srp_connect,
-};