xref: /freebsd/sys/dev/mfi/mfi_debug.c (revision 2ba1d4970a06a1660b46f6fd99351d154b295683)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2006 IronPort Systems
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 #include "opt_mfi.h"
31 
32 #ifdef MFI_DEBUG
33 
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/conf.h>
38 #include <sys/bus.h>
39 #include <sys/bio.h>
40 #include <sys/lock.h>
41 #include <sys/mutex.h>
42 #include <sys/malloc.h>
43 #include <sys/selinfo.h>
44 #include <sys/sysctl.h>
45 #include <sys/taskqueue.h>
46 #include <sys/uio.h>
47 #include <machine/resource.h>
48 #include <machine/bus.h>
49 
50 #include <vm/vm.h>
51 #include <vm/pmap.h>
52 
53 #include <dev/mfi/mfireg.h>
54 #include <dev/mfi/mfi_ioctl.h>
55 #include <dev/mfi/mfivar.h>
56 
57 static void
58 mfi_print_frame_flags(device_t dev, uint32_t flags)
59 {
60 	device_printf(dev, "flags=%b\n", flags, MFI_FRAME_FMT);
61 }
62 
63 static void
64 mfi_print_sgl(struct mfi_frame_header *hdr, union mfi_sgl *sgl, int count)
65 {
66 	int i, columns = 0;
67 
68 	printf("SG List:\n");
69 	for (i = 0; i < count; i++) {
70 		if (hdr->flags & MFI_FRAME_IEEE_SGL) {
71 			printf("0x%lx:%06d ", (u_long)sgl->sg_skinny[i].addr,
72 			    sgl->sg_skinny[i].len);
73 			columns += 26;
74 			if (columns > 77) {
75 				printf("\n");
76 				columns = 0;
77 			}
78 		} else if (hdr->flags & MFI_FRAME_SGL64) {
79 			printf("0x%lx:%06d ", (u_long)sgl->sg64[i].addr,
80 			    sgl->sg64[i].len);
81 			columns += 26;
82 			if (columns > 77) {
83 				printf("\n");
84 				columns = 0;
85 			}
86 		} else {
87 			printf("0x%x:%06d ", sgl->sg32[i].addr,
88 			    sgl->sg32[i].len);
89 			columns += 18;
90 			if (columns > 71) {
91 				printf("\n");
92 				columns = 0;
93 			}
94 		}
95 	}
96 	if (columns != 0)
97 		printf("\n");
98 
99 }
100 
101 static void
102 mfi_print_ldio(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
103 {
104 	struct mfi_io_frame *io;
105 	struct mfi_frame_header *hdr;
106 
107 	io = &cm->cm_frame->io;
108 	hdr = &io->header;
109 
110 	device_printf(dev, "cmd=%s target_id=%d sg_count=%d data_len=%d "
111 	    "lba=%d\n", (hdr->cmd == MFI_CMD_LD_READ) ? "LD_READ":"LD_WRITE",
112 	     hdr->target_id, hdr->sg_count, hdr->data_len, io->lba_lo);
113 	mfi_print_frame_flags(dev, hdr->flags);
114 	mfi_print_sgl(hdr, &io->sgl, hdr->sg_count);
115 
116 }
117 
118 static void
119 mfi_print_dcmd(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
120 {
121 	struct mfi_dcmd_frame *dcmd;
122 	struct mfi_frame_header *hdr;
123 	const char *opcode;
124 
125 	dcmd = &cm->cm_frame->dcmd;
126 	hdr = &dcmd->header;
127 
128 	switch (dcmd->opcode) {
129 	case MFI_DCMD_CTRL_GETINFO:
130 		opcode = "CTRL_GETINFO";
131 		break;
132 	case MFI_DCMD_CTRL_FLUSHCACHE:
133 		opcode = "CTRL_FLUSHCACHE";
134 		break;
135 	case MFI_DCMD_CTRL_SHUTDOWN:
136 		opcode = "CTRL_SHUTDOWN";
137 		break;
138 	case MFI_DCMD_CTRL_EVENT_GETINFO:
139 		opcode = "EVENT_GETINFO";
140 		break;
141 	case MFI_DCMD_CTRL_EVENT_GET:
142 		opcode = "EVENT_GET";
143 		break;
144 	case MFI_DCMD_CTRL_EVENT_WAIT:
145 		opcode = "EVENT_WAIT";
146 		break;
147 	case MFI_DCMD_LD_GET_LIST:
148 		opcode = "LD_GET_LIST";
149 		break;
150 	case MFI_DCMD_LD_GET_INFO:
151 		opcode = "LD_GET_INFO";
152 		break;
153 	case MFI_DCMD_LD_GET_PROP:
154 		opcode = "LD_GET_PROP";
155 		break;
156 	case MFI_DCMD_LD_SET_PROP:
157 		opcode = "LD_SET_PROP";
158 		break;
159 	case MFI_DCMD_CLUSTER:
160 		opcode = "CLUSTER";
161 		break;
162 	case MFI_DCMD_CLUSTER_RESET_ALL:
163 		opcode = "CLUSTER_RESET_ALL";
164 		break;
165 	case MFI_DCMD_CLUSTER_RESET_LD:
166 		opcode = "CLUSTER_RESET_LD";
167 		break;
168 	case MFI_DCMD_LD_MAP_GET_INFO:
169 		opcode = "LD_MAP_GET_INFO";
170 		break;
171 	case MFI_DCMD_BBU_START_LEARN:
172 		opcode = "BBU_START_LEARN";
173 		break;
174 	case MFI_DCMD_BBU_GET_PROP:
175 		opcode = "BBU_GET_PROP";
176 		break;
177 	case MFI_DCMD_BBU_SET_PROP:
178 		opcode = "BBU_SET_PROP";
179 		break;
180 	default:
181 		opcode = "UNKNOWN";
182 		break;
183 	}
184 
185 	device_printf(dev, "cmd=MFI_CMD_DCMD opcode=%s data_len=%d\n",
186 	    opcode, hdr->data_len);
187 	mfi_print_frame_flags(dev, hdr->flags);
188 	mfi_print_sgl(hdr, &dcmd->sgl, hdr->sg_count);
189 
190 }
191 
192 static void
193 mfi_print_generic_frame(struct mfi_softc *sc, struct mfi_command *cm)
194 {
195 	hexdump(cm->cm_frame, cm->cm_total_frame_size, NULL, HD_OMIT_CHARS);
196 }
197 
198 void
199 mfi_print_cmd(struct mfi_command *cm)
200 {
201 	device_t dev;
202 	struct mfi_softc *sc;
203 
204 	sc = cm->cm_sc;
205 	dev = sc->mfi_dev;
206 
207 	device_printf(dev, "cm=%p index=%d total_frame_size=%d "
208 	    "extra_frames=%d\n", cm, cm->cm_index, cm->cm_total_frame_size,
209 	    cm->cm_extra_frames);
210 	device_printf(dev, "flags=%b\n", cm->cm_flags, MFI_CMD_FLAGS_FMT);
211 
212 	switch (cm->cm_frame->header.cmd) {
213 	case MFI_CMD_DCMD:
214 		mfi_print_dcmd(sc, dev, cm);
215 		break;
216 	case MFI_CMD_LD_READ:
217 	case MFI_CMD_LD_WRITE:
218 		mfi_print_ldio(sc, dev, cm);
219 		break;
220 	default:
221 		mfi_print_generic_frame(sc, cm);
222 		break;
223 	}
224 
225 	return;
226 }
227 
228 void
229 mfi_dump_cmds(struct mfi_softc *sc)
230 {
231 	int i;
232 
233 	for (i = 0; i < sc->mfi_max_fw_cmds; i++)
234 		mfi_print_generic_frame(sc, &sc->mfi_commands[i]);
235 }
236 
237 void
238 mfi_validate_sg(struct mfi_softc *sc, struct mfi_command *cm,
239 	const char *function, int line)
240 {
241 	struct mfi_frame_header *hdr;
242 	int i;
243 	uint32_t count = 0, data_len;
244 
245 	hdr = &cm->cm_frame->header;
246 	count = 0;
247 	for (i = 0; i < hdr->sg_count; i++) {
248 		if (hdr->flags & MFI_FRAME_IEEE_SGL)
249 			count += cm->cm_sg->sg_skinny[i].len;
250 		else if (hdr->flags & MFI_FRAME_SGL64)
251 			count += cm->cm_sg->sg64[i].len;
252 		else
253 			count += cm->cm_sg->sg32[i].len;
254 	}
255 	/*
256 	count++;
257 	*/
258 	data_len = hdr->data_len;
259 	switch (hdr->cmd) {
260 	case MFI_CMD_LD_READ:
261 	case MFI_CMD_LD_WRITE:
262 		data_len = data_len * 512;
263 	case MFI_CMD_DCMD:
264 		if (count != data_len) {
265 			device_printf(sc->mfi_dev,
266 			    "%s %d COMMAND %p S/G count bad %d %d %d 0x%jx\n",
267 			    function, line, cm, count, data_len, cm->cm_len,
268 			    (intmax_t)pmap_kextract((vm_offset_t)cm->cm_data));
269 			MFI_PRINT_CMD(cm);
270 		}
271 	}
272 }
273 
274 #endif
275