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