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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
*/
/*
* Mellanox firmware image verification plugin
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>
#include <fcntl.h>
#include <sys/condvar.h>
#include <string.h>
#include <strings.h>
#include <sys/byteorder.h>
#include <libintl.h> /* for gettext(3c) */
#include <fwflash/fwflash.h>
#include "../hdrs/MELLANOX.h"
#include "../hdrs/tavor_ib.h"
char vendor[] = "MELLANOX\0";
extern int errno;
extern struct vrfyplugin *verifier;
/* required functions for this plugin */
int vendorvrfy(struct devicelist *devicenode);
/* helper functions */
static int check_guid_ptr(uint8_t *data);
int
vendorvrfy(struct devicelist *devicenode)
{
struct ib_encap_ident *encap;
uint32_t sector_sz;
int *firmware;
uint32_t vp_fia, vs_fia;
uint32_t vp_imginfo, vs_imginfo;
struct mlx_xps *vps;
uint8_t *vfi;
int i = 0, a, b, c, d;
char temppsid[17];
char rawpsid[16];
int offset;
encap = (struct ib_encap_ident *)devicenode->ident->encap_ident;
/*
* NOTE that since verifier->fwimage is an array of ints,
* we have to divide our actual desired number by 4 to get
* the right data.
*/
firmware = verifier->fwimage;
/*
* The actual location of log2_sector_sz can be calculated
* by adding 0x32 to the value that is written in the
* log2_sector_sz_ptr field. The log2_sector_sz_ptr is located
* at 0x16 byte offset in Invariant Sector.
*/
offset = FLASH_IS_SECTOR_SIZE_OFFSET +
MLXSWAPBITS32(firmware[FLASH_IS_SECT_SIZE_PTR/4]);
sector_sz = 1 << MLXSWAPBITS32(firmware[offset/4]);
if (sector_sz != encap->sector_sz) {
logmsg(MSG_ERROR,
gettext("%s firmware image verifier: "
"Invariant Sector is invalid\n"), verifier->vendor);
logmsg(MSG_ERROR, gettext("Mis-match in sector size: "
"device's 0x%X file 0x%X\n"), encap->sector_sz, sector_sz);
logmsg(MSG_ERROR, gettext("Firmware image file is not "
"appropriate for this device.\n"));
/* this is fatal */
return (FWFLASH_FAILURE);
}
/* now verify primary pointer sector */
if ((vps = calloc(1, sizeof (struct mlx_xps))) == NULL) {
logmsg(MSG_ERROR,
gettext("%s firmware image verifier: "
"Unable to allocate memory for Primary Pointer "
"Sector verification\n"), verifier->vendor);
return (FWFLASH_FAILURE);
}
bcopy(&firmware[sector_sz / 4], vps, sizeof (struct mlx_xps));
if ((MLXSWAPBITS32(vps->signature) != FLASH_PS_SIGNATURE) ||
(vps->xpsresv3 != 0)) {
logmsg(MSG_ERROR,
gettext("%s firmware image verifier: "
"Primary Pointer Sector is invalid\n"),
verifier->vendor);
}
vp_fia = MLXSWAPBITS32(vps->fia);
/*
* A slight diversion - check the PSID in the last
* 16 bytes of the first 256bytes in the xPS sectors.
* This will give us our part number to match. If the
* part number in the image doesn't match the part number
* in the encap_ident info (and pn_len > 0) then we reject
* this image as being incompatible with the HCA.
*
* In this bit we're only checking the info.mlx_psid field
* of the primary image in the on-disk image. If that's
* invalid we reject the image.
*/
bzero(temppsid, 17);
bcopy(vps->vsdpsid+0xd0, &rawpsid, 16);
for (i = 0; i < 16; i += 4) {
temppsid[i] = rawpsid[i+3];
temppsid[i+1] = rawpsid[i+2];
temppsid[i+2] = rawpsid[i+1];
temppsid[i+3] = rawpsid[i];
}
logmsg(MSG_INFO,
"tavor: have raw '%s', want munged '%s'\n",
rawpsid, temppsid);
logmsg(MSG_INFO, "tavor_vrfy: PSID file '%s' HCA's PSID '%s'\n",
(temppsid != NULL) ? temppsid : "(null)",
(encap->info.mlx_psid != NULL) ? encap->info.mlx_psid : "(null)");
if (encap->info.mlx_psid != NULL) {
int resp;
if (strncmp(encap->info.mlx_psid, temppsid, 16) != 0) {
logmsg(MSG_ERROR,
gettext("%s firmware image verifier: "
"firmware image file %s is not appropriate "
"for device "
"%s (PSID file %s vs PSID device %s)\n"),
verifier->vendor, verifier->imgfile,
devicenode->drvname,
((temppsid != NULL) ? temppsid : "(null)"),
encap->info.mlx_psid);
logmsg(MSG_ERROR,
gettext("Do you want to continue? (Y/N): "));
(void) fflush(stdin);
resp = getchar();
if (resp != 'Y' && resp != 'y') {
free(vps);
logmsg(MSG_ERROR, gettext("Not proceeding with "
"flash operation of %s on %s\n"),
verifier->imgfile, devicenode->drvname);
return (FWFLASH_FAILURE);
}
} else {
logmsg(MSG_INFO,
"%s firmware image verifier: HCA PSID (%s) "
"matches firmware image %s's PSID\n",
verifier->vendor,
encap->info.mlx_psid,
verifier->imgfile);
}
}
/* now verify secondary pointer sector */
bzero(vps, sizeof (struct mlx_xps));
bcopy(&firmware[sector_sz / 2], vps, sizeof (struct mlx_xps));
if ((MLXSWAPBITS32(vps->signature) != FLASH_PS_SIGNATURE) ||
(vps->xpsresv3 != 0)) {
logmsg(MSG_ERROR,
gettext("%s firmware image verifier: "
"Secondary Pointer Sector is invalid\n"),
verifier->vendor);
}
vs_fia = MLXSWAPBITS32(vps->fia);
(void) free(vps);
if ((vfi = calloc(1, sector_sz)) == NULL) {
logmsg(MSG_ERROR,
gettext("%s firmware image verifier: "
"Unable to allocate space for Primary "
"Firmware Image verification\n"),
verifier->vendor);
return (FWFLASH_FAILURE);
}
bcopy(&firmware[vp_fia / 4], vfi, sector_sz);
bcopy(&vfi[XFI_IMGINFO_OFFSET], &i, 4);
vp_imginfo = MLXSWAPBITS32(i);
/* for readability only */
a = (vp_imginfo & 0xff000000) >> 24;
b = (vp_imginfo & 0x00ff0000) >> 16;
c = (vp_imginfo & 0x0000ff00) >> 8;
d = (vp_imginfo & 0x000000ff);
/*
* It appears to be the case (empirically) that this particular
* check condition for ImageInfoPtr doesn't hold for A1 firmware
* images. So if the ((a+b+c+d)%0x100) fails, don't worry unless
* the contents of the GUID section do not match the Mellanox
* default GUIDs 2c9000100d05[0123]. The A2++ images also have
* these default GUIDS.
*
* Unfortunately we can't depend on the hwrev field of the image's
* Invariant Sector for another level of confirmation, since A2++
* images seem to have that field set to 0xa1 as well as the A1
* images. Annoying!
*/
if ((((a+b+c+d) % 0x100) == 0) &&
(vp_imginfo != 0x00000000)) {
logmsg(MSG_INFO,
"%s firmware image verifier: "
"Primary Firmware Image Info pointer is valid\n",
verifier->vendor);
} else {
logmsg(MSG_INFO,
gettext("%s firmware image verifier: "
"Primary Firmware Image Info pointer is invalid "
"(0x%04x)\nChecking GUID section.....\n"),
verifier->vendor, vp_imginfo);
if (check_guid_ptr(vfi) == FWFLASH_FAILURE) {
logmsg(MSG_INFO,
gettext("%s firmware image verifier: "
"Primary Firmware Image GUID section "
"is invalid\n"),
verifier->vendor);
i = 1;
} else {
logmsg(MSG_INFO,
"%s firmware image verifier: "
"Primary GUID section is ok\n",
verifier->vendor);
}
}
bzero(vfi, sector_sz);
bcopy(&firmware[vs_fia / 4], vfi, sector_sz);
bcopy(&vfi[XFI_IMGINFO_OFFSET], &i, 4);
vs_imginfo = MLXSWAPBITS32(i);
/* for readability only */
a = (vs_imginfo & 0xff000000) >> 24;
b = (vs_imginfo & 0x00ff0000) >> 16;
c = (vs_imginfo & 0x0000ff00) >> 8;
d = (vs_imginfo & 0x000000ff);
if ((((a+b+c+d) % 0x100) == 0) &&
(vs_imginfo != 0x00000000)) {
logmsg(MSG_INFO,
"%s firmware image verifier: "
"Secondary Firmware Image Info pointer is valid\n",
verifier->vendor);
} else {
logmsg(MSG_INFO,
gettext("%s firmware image verifier: "
"Secondary Firmware Image Info pointer is invalid "
"(0x%04x)\nChecking GUID section.....\n"),
verifier->vendor, vp_imginfo);
if (check_guid_ptr(vfi) == FWFLASH_FAILURE) {
logmsg(MSG_INFO,
gettext("%s firmware image verifier: "
"Secondary Firmware Image GUID section "
"is invalid\n"),
verifier->vendor);
i++;
}
}
free(vfi);
if (i == 2)
logmsg(MSG_WARN, gettext("%s firmware image verifier: "
"FAILED\n"), verifier->vendor);
return ((i == 2) ? (FWFLASH_FAILURE) : (FWFLASH_SUCCESS));
}
/*
* Very simple function - we're given an array of bytes,
* we know that we need to read the value at offset FLASH_GUID_PTR
* and jump to that location to read 4x uint64_t of (hopefully)
* GUID data. If we can read that data, and it matches the default
* Mellanox GUIDs, then we return success. We need all 4 default
* GUIDs to match otherwise we return failure.
*/
static int
check_guid_ptr(uint8_t *data)
{
struct mlx_xfi xfisect;
struct mlx_guid_sect guidsect;
bcopy(data, &xfisect, sizeof (xfisect));
bcopy(&data[MLXSWAPBITS32(xfisect.nguidptr) - 16], &guidsect,
GUIDSECTION_SZ);
logmsg(MSG_INFO, "nodeguid: %0llx\n",
MLXSWAPBITS64(guidsect.nodeguid));
logmsg(MSG_INFO, "port1guid: %0llx\n",
MLXSWAPBITS64(guidsect.port1guid));
logmsg(MSG_INFO, "port2guid: %0llx\n",
MLXSWAPBITS64(guidsect.port2guid));
logmsg(MSG_INFO, "sysimguid: %0llx\n",
MLXSWAPBITS64(guidsect.sysimguid));
if ((MLXSWAPBITS64(guidsect.nodeguid) == MLX_DEFAULT_NODE_GUID) &&
(MLXSWAPBITS64(guidsect.port1guid) == MLX_DEFAULT_P1_GUID) &&
(MLXSWAPBITS64(guidsect.port2guid) == MLX_DEFAULT_P2_GUID) &&
((MLXSWAPBITS64(guidsect.sysimguid) == MLX_DEFAULT_SYSIMG_GUID) ||
(MLXSWAPBITS64(guidsect.sysimguid) == MLX_DEFAULT_NODE_GUID)) ||
((((MLXSWAPBITS64(guidsect.nodeguid) & HIGHBITS64) >> 40)
== MLX_OUI) ||
(((MLXSWAPBITS64(guidsect.port1guid) & HIGHBITS64) >> 40)
== MLX_OUI) ||
(((MLXSWAPBITS64(guidsect.port2guid) & HIGHBITS64) >> 40)
== MLX_OUI) ||
(((MLXSWAPBITS64(guidsect.sysimguid) & HIGHBITS64) >> 40)
== MLX_OUI))) {
return (FWFLASH_SUCCESS);
} else {
return (FWFLASH_FAILURE);
}
}
|
