1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
24  */
25 
26 /*
27  * ConnectX (hermon) firmware image verification plugin
28  */
29 
30 #include <stdio.h>
31 #include <stdlib.h>
32 #include <unistd.h>
33 #include <sys/types.h>
34 #include <sys/stat.h>
35 #include <sys/sysmacros.h>
36 #include <fcntl.h>
37 #include <sys/condvar.h>
38 #include <string.h>
39 #include <strings.h>
40 
41 #include <sys/byteorder.h>
42 
43 #include <libintl.h> /* for gettext(3c) */
44 
45 #include <fwflash/fwflash.h>
46 #include "../hdrs/hermon_ib.h"
47 
48 char vendor[] = "MELLANOX\0";
49 
50 extern struct vrfyplugin *verifier;
51 
52 
53 /* required functions for this plugin */
54 int vendorvrfy(struct devicelist *devicenode);
55 
56 /* helper functions */
57 static uint16_t cnx_check_hwver_img(ib_cnx_encap_ident_t *handle);
58 static void cnx_flash_verify_flash_match_img(ib_cnx_encap_ident_t *handle);
59 static void cnx_flash_verify_flash_pn_img(ib_cnx_encap_ident_t *handle,
60     uchar_t *psid, int psid_size);
61 static uchar_t *cnx_flash_get_psid_img(ib_cnx_encap_ident_t *handle);
62 static void cnx_display_fwver(ib_cnx_encap_ident_t *handle);
63 static int cnx_check_guid_section();
64 
65 
66 int
vendorvrfy(struct devicelist * devicenode)67 vendorvrfy(struct devicelist *devicenode)
68 {
69 	struct ib_cnx_encap_ident_s	*handle;
70 	uint16_t	ver;
71 
72 	logmsg(MSG_INFO, "hermon: vendorvrfy \n");
73 
74 	handle = (struct ib_cnx_encap_ident_s *)devicenode->ident->encap_ident;
75 
76 	if (CNX_I_CHECK_HANDLE(handle)) {
77 		logmsg(MSG_ERROR, gettext("hermon: Invalid Handle for "
78 		    "device %s! \n"), devicenode->access_devname);
79 		return (FWFLASH_FAILURE);
80 	}
81 
82 	/*
83 	 * NOTE verifier->fwimage is where file is read to.
84 	 */
85 	if (cnx_is_magic_pattern_present(&verifier->fwimage[0], 1) !=
86 	    FWFLASH_SUCCESS) {
87 		logmsg(MSG_ERROR, gettext("%s firmware image verifier: "
88 		    "No magic pattern found in firmware file %s \n"),
89 		    verifier->vendor, verifier->imgfile);
90 		return (FWFLASH_FAILURE);
91 	}
92 
93 	if (cnx_check_guid_section() == FWFLASH_FAILURE) {
94 		logmsg(MSG_INFO, "%s firmware image verifier: "
95 		    "Firmware Image GUID section is invalid\n",
96 		    verifier->vendor);
97 	}
98 
99 	cnx_flash_verify_flash_match_img(handle);
100 
101 	/* Check Hardware Rev */
102 	ver = cnx_check_hwver_img(handle);
103 	if (ver != 0) {
104 		logmsg(MSG_ERROR, gettext("hermon: Firmware mismatch: "
105 		    "ver(0x%X) hw_ver(0x%X)\n"), (ver >> 8), ver & 0xFF);
106 		return (FWFLASH_FAILURE);
107 	}
108 
109 	if (handle->hwfw_match == 0) {
110 		int resp;
111 
112 		if (handle->pn_len != 0) {
113 			/* HW VPD exist and a mismatch was found */
114 			logmsg(MSG_ERROR, gettext("hermon: Please verify that "
115 			    "the firmware image is intended for use with this "
116 			    "hardware\n"));
117 		} else {
118 			logmsg(MSG_ERROR, gettext("hermon: Unable to verify "
119 			    "firmware is appropriate for the hardware\n"));
120 		}
121 		logmsg(MSG_ERROR, gettext("Do you want to continue? (Y/N): "));
122 		(void) fflush(stdin);
123 		resp = getchar();
124 		if (resp != 'Y' && resp != 'y') {
125 			logmsg(MSG_ERROR, gettext("Not proceeding with "
126 			    "flash operation of %s on %s \n"),
127 			    verifier->imgfile, devicenode->drvname);
128 			return (FWFLASH_FAILURE);
129 		}
130 	} else {
131 		logmsg(MSG_INFO, "%s firmware image verifier: HCA PSID (%s) "
132 		    "matches firmware image %s's PSID\n", verifier->vendor,
133 		    handle->info.mlx_psid, verifier->imgfile);
134 
135 		cnx_display_fwver(handle);
136 	}
137 
138 	return (FWFLASH_SUCCESS);
139 }
140 
141 static uint16_t
cnx_check_hwver_img(ib_cnx_encap_ident_t * handle)142 cnx_check_hwver_img(ib_cnx_encap_ident_t *handle)
143 {
144 	uint8_t	hwver;
145 	uint8_t	local_hwver;
146 
147 	logmsg(MSG_INFO, "hermon: verify: cnx_check_hwver_img\n");
148 	if ((handle->state & FWFLASH_IB_STATE_IMAGE_PRI) == 0 &&
149 	    (handle->state & FWFLASH_IB_STATE_IMAGE_SEC) == 0) {
150 		logmsg(MSG_ERROR, gettext("hermon: Must read in image "
151 		    "first\n"));
152 		return (1);
153 	}
154 
155 	/* Read Flash HW Version */
156 	hwver = (uint8_t)handle->hwrev;
157 	local_hwver = (ntohl(verifier->fwimage[CNX_HWVER_OFFSET / 4]) &
158 	    CNX_HWVER_MASK) >> 24;
159 
160 	logmsg(MSG_INFO, "local_hwver: %x, hwver: %x\n", local_hwver, hwver);
161 
162 	if ((hwver == 0xA0 || hwver == 0x00 || hwver == 0x20) &&
163 	    (local_hwver == 0x00 || local_hwver == 0xA0 ||
164 	    local_hwver == 0x20)) {
165 		logmsg(MSG_INFO, ("A0 board found.\r\n"));
166 	} else if (hwver == 0xA1 && local_hwver == 0xA1) {
167 		logmsg(MSG_INFO, ("A1 board found.\r\n"));
168 	} else if (hwver == 0xA2 && local_hwver == 0xA2) {
169 		logmsg(MSG_INFO, ("A2 board found.\r\n"));
170 	} else if (hwver == 0xA3 && local_hwver == 0xA3) {
171 		logmsg(MSG_INFO, ("A3 board found.\r\n"));
172 	} else if (hwver == 0xB0 && local_hwver == 0xB0) {
173 		logmsg(MSG_INFO, ("B0 board found.\r\n"));
174 	} else if (hwver != local_hwver) {
175 		return ((uint16_t)(local_hwver << 8) | hwver);
176 	}
177 	return (0);
178 }
179 
180 static void
cnx_display_fwver(ib_cnx_encap_ident_t * handle)181 cnx_display_fwver(ib_cnx_encap_ident_t *handle)
182 {
183 	logmsg(MSG_INFO, "hermon: verify: cnx_display_fwver\n");
184 
185 	(void) fprintf(stdout, gettext("  The current HCA firmware version "
186 	    "is    : %d.%d.%03d\n"),
187 	    handle->hwfw_img_info.fw_rev.major,
188 	    handle->hwfw_img_info.fw_rev.minor,
189 	    handle->hwfw_img_info.fw_rev.subminor);
190 	(void) fprintf(stdout, gettext("  Will be updated to HCA firmware "
191 	    "ver of : %d.%d.%03d\n"),
192 	    handle->file_img_info.fw_rev.major,
193 	    handle->file_img_info.fw_rev.minor,
194 	    handle->file_img_info.fw_rev.subminor);
195 }
196 
197 static uchar_t *
cnx_flash_get_psid_img(ib_cnx_encap_ident_t * handle)198 cnx_flash_get_psid_img(ib_cnx_encap_ident_t *handle)
199 {
200 	uint32_t	ii_ptr_addr;
201 	uint32_t	ii_size;
202 
203 	logmsg(MSG_INFO, "hermon: verify: cnx_flash_get_psid_img\n");
204 
205 	/* Get the image info pointer */
206 	ii_ptr_addr = ntohl(verifier->fwimage[CNX_IMG_INF_PTR_OFFSET / 4]);
207 	ii_ptr_addr &= 0xffffff; /* Bits 23:0 - Image Info Data Pointer */
208 
209 	/* Get the image info size, a negative offset from the image info ptr */
210 	ii_size =
211 	    ntohl(verifier->fwimage[(ii_ptr_addr + CNX_IMG_INF_SZ_OFFSET) / 4]);
212 	/* size is in dwords--convert it to bytes */
213 	ii_size *= 4;
214 
215 	logmsg(MSG_INFO, "ImgInfo_ptr_addr: 0x%lx, ImgInfo_size: 0x%x\n",
216 	    ii_ptr_addr, ii_size);
217 
218 	/* Parse the image info section */
219 	if (cnx_parse_img_info(&verifier->fwimage[ii_ptr_addr / 4], ii_size,
220 	    &handle->file_img_info, CNX_FILE_IMG) != FWFLASH_SUCCESS) {
221 		logmsg(MSG_WARN, gettext("hermon: Failed to parse ImageInfo "
222 		    "section\n"));
223 		return (NULL);
224 	}
225 
226 	return (handle->file_img_info.psid);
227 }
228 
229 static void
cnx_flash_verify_flash_pn_img(ib_cnx_encap_ident_t * handle,uchar_t * psid,int psid_size)230 cnx_flash_verify_flash_pn_img(ib_cnx_encap_ident_t *handle, uchar_t *psid,
231     int psid_size)
232 {
233 	int	i;
234 	int	no_match = 0;
235 
236 	logmsg(MSG_INFO, "hermon: verify: cnx_flash_verify_flash_pn_img\n");
237 	/* verify fw matches the hardware */
238 	if (handle->hwfw_match == 1) {
239 		/* already been verified */
240 		return;
241 	}
242 
243 	/* find the PSID from FW in the mlx table */
244 	for (i = 0; i < MLX_MAX_ID; i++) {
245 		if (handle->hwfw_match == 1) {
246 			/*
247 			 * Need this check here and the 'continue's below
248 			 * because there are some cards that have a
249 			 * 'new' part number but the same PSID value.
250 			 */
251 			break;
252 		}
253 
254 		/* match PSID */
255 		if (strncmp((const char *)psid, mlx_mdr[i].mlx_psid,
256 		    psid_size) == 0) {
257 			logmsg(MSG_INFO, "Found Matching firmware image's "
258 			    "PSID (%s) entry in MDR Table\n", psid);
259 
260 			logmsg(MSG_INFO, "Search for firmware image's part# "
261 			    "(%s), MDR/HW PN (%s) \n",
262 			    handle->info.mlx_pn, mlx_mdr[i].mlx_pn);
263 
264 			/* match part numbers */
265 			if (strncmp(handle->info.mlx_pn, mlx_mdr[i].mlx_pn,
266 			    handle->pn_len) == 0) {
267 				handle->hwfw_match = 1;
268 				logmsg(MSG_INFO, "Match Found \n");
269 				continue;
270 			} else {
271 				handle->hwfw_match = 0;
272 				no_match = i;
273 				logmsg(MSG_INFO, "Match NOT Found \n");
274 				continue;
275 			}
276 		}
277 	}
278 	if (i == MLX_MAX_ID && no_match == 0) {
279 		/* no match found */
280 		handle->hwfw_match = 0;
281 		handle->pn_len = 0;
282 		logmsg(MSG_WARN, gettext("hermon: No PSID match found\n"));
283 	} else {
284 		if (handle->hwfw_match == 0) {
285 			logmsg(MSG_WARN, gettext("WARNING: Firmware "
286 			    "image is meant for %s but the hardware "
287 			    "is %s\n"), mlx_mdr[no_match].mlx_pn,
288 			    handle->info.mlx_pn);
289 		}
290 	}
291 }
292 
293 static void
cnx_flash_verify_flash_match_img(ib_cnx_encap_ident_t * handle)294 cnx_flash_verify_flash_match_img(ib_cnx_encap_ident_t *handle)
295 {
296 	uchar_t	*psid;
297 
298 	logmsg(MSG_INFO, "hermon: verify: cnx_flash_verify_flash_match_img\n");
299 	/* get PSID of firmware file */
300 	psid = cnx_flash_get_psid_img(handle);
301 	if (psid == NULL) {
302 		handle->hwfw_match = 0;
303 		handle->pn_len = 0;
304 		return;
305 	}
306 	logmsg(MSG_INFO, "FW PSID (%s)\n", psid);
307 
308 	/*
309 	 * Check the part number of the hardware against the part number
310 	 * of the firmware file. If the hardware information is not
311 	 * available, check the currently loaded firmware against the
312 	 * firmware file to be uploaded.
313 	 */
314 	if (handle->pn_len != 0) {
315 		cnx_flash_verify_flash_pn_img(handle, psid, CNX_PSID_SZ);
316 	}
317 }
318 
319 
320 static int
cnx_check_guid_section()321 cnx_check_guid_section()
322 {
323 	struct mlx_cnx_xfi  		xfisect;
324 	struct mlx_cnx_guid_sect	guidsect;
325 	uint32_t			nguidptr_addr;
326 	uint16_t			calculated_crc;
327 
328 	logmsg(MSG_INFO, "cnx_check_guid_section: \n");
329 
330 	bcopy(&verifier->fwimage[0], &xfisect, sizeof (struct mlx_cnx_xfi));
331 	logmsg(MSG_INFO, "FailSafeChunkSz: 0x%08x, ImageInfoPtr: 0x%08x\n",
332 	    MLXSWAPBITS32(xfisect.failsafechunkinfo),
333 	    MLXSWAPBITS32(xfisect.imageinfoptr) & CNX_XFI_IMGINFO_PTR_MASK);
334 	logmsg(MSG_INFO, "FW Size: 0x%08x NGUIDPTR: 0x%08x\n",
335 	    MLXSWAPBITS32(xfisect.fwimagesz), MLXSWAPBITS32(xfisect.nguidptr));
336 
337 	nguidptr_addr = (MLXSWAPBITS32(xfisect.nguidptr) - 0x10) / 4;
338 	bcopy(&verifier->fwimage[nguidptr_addr], &guidsect,
339 	    sizeof (struct mlx_cnx_guid_sect));
340 
341 	logmsg(MSG_INFO, "Node GUID : 0x%016llx \n",
342 	    MLXSWAPBITS64(guidsect.nodeguid));
343 	logmsg(MSG_INFO, "Port1 GUID: 0x%016llx \n",
344 	    MLXSWAPBITS64(guidsect.port1guid));
345 	logmsg(MSG_INFO, "Port2 GUID: 0x%016llx \n",
346 	    MLXSWAPBITS64(guidsect.port2guid));
347 	logmsg(MSG_INFO, "SysIm GUID: 0x%016llx \n",
348 	    MLXSWAPBITS64(guidsect.sysimguid));
349 	logmsg(MSG_INFO, "Port 1 MAC: 0x%016llx \n",
350 	    MLXSWAPBITS64(guidsect.port1_mac));
351 	logmsg(MSG_INFO, "Port 2 MAC: 0x%016llx \n",
352 	    MLXSWAPBITS64(guidsect.port2_mac));
353 
354 	calculated_crc = cnx_crc16((uint8_t *)&verifier->fwimage[nguidptr_addr],
355 	    CNX_GUID_CRC16_SIZE, CNX_FILE_IMG);
356 	if (calculated_crc != ntohs(guidsect.guidcrc)) {
357 		logmsg(MSG_WARN, gettext("hermon: calculated crc value 0x%x "
358 		    "differs from GUID section 0x%x\n"), calculated_crc,
359 		    ntohs(guidsect.guidcrc));
360 	} else {
361 		logmsg(MSG_INFO, "hermon: calculated crc value 0x%x MATCHES "
362 		    "with GUID section 0x%x\n", calculated_crc,
363 		    ntohs(guidsect.guidcrc));
364 	}
365 
366 	if ((MLXSWAPBITS64(guidsect.nodeguid) == MLX_DEFAULT_NODE_GUID) &&
367 	    (MLXSWAPBITS64(guidsect.port1guid) == MLX_DEFAULT_P1_GUID) &&
368 	    (MLXSWAPBITS64(guidsect.port2guid) == MLX_DEFAULT_P2_GUID) &&
369 	    ((MLXSWAPBITS64(guidsect.sysimguid) == MLX_DEFAULT_SYSIMG_GUID) ||
370 	    (MLXSWAPBITS64(guidsect.sysimguid) == MLX_DEFAULT_NODE_GUID)) ||
371 	    ((((MLXSWAPBITS64(guidsect.nodeguid) & HIGHBITS64) >> 40) ==
372 	    MLX_OUI) ||
373 	    (((MLXSWAPBITS64(guidsect.port1guid) & HIGHBITS64) >> 40) ==
374 	    MLX_OUI) ||
375 	    (((MLXSWAPBITS64(guidsect.port2guid) & HIGHBITS64) >> 40) ==
376 	    MLX_OUI) ||
377 	    (((MLXSWAPBITS64(guidsect.sysimguid) & HIGHBITS64) >> 40) ==
378 	    MLX_OUI)) ||
379 	    ((((MLXSWAPBITS64(guidsect.nodeguid) & HIGHBITS64) >> 40) ==
380 	    SUNW_OUI) ||
381 	    (((MLXSWAPBITS64(guidsect.port1guid) & HIGHBITS64) >> 40) ==
382 	    SUNW_OUI) ||
383 	    (((MLXSWAPBITS64(guidsect.port2guid) & HIGHBITS64) >> 40) ==
384 	    SUNW_OUI) ||
385 	    (((MLXSWAPBITS64(guidsect.sysimguid) & HIGHBITS64) >> 40) ==
386 	    SUNW_OUI))) {
387 		logmsg(MSG_INFO, "%s firmware image verifier: GUID Prefix "
388 		    "is as expected\n", verifier->vendor);
389 		return (FWFLASH_SUCCESS);
390 	} else {
391 		logmsg(MSG_INFO, "%s firmware image verifier: GUID prefix "
392 		    "is not as expected\n", verifier->vendor);
393 		return (FWFLASH_FAILURE);
394 	}
395 }
396