xref: /freebsd/sys/dev/mfi/mfi_debug.c (revision 9a41df2a0e6408e9b329bbd8b9e37c2b44461a1b)
1 /*-
2  * Copyright (c) 2006 IronPort Systems
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
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,
61 	    "\20"
62 	    "\1NOPOST"
63 	    "\2SGL64"
64 	    "\3SENSE64"
65 	    "\4WRITE"
66 	    "\5READ"
67 	    "\6IEEESGL");
68 }
69 
70 static void
71 mfi_print_sgl(struct mfi_frame_header *hdr, union mfi_sgl *sgl, int count)
72 {
73 	int i, columns = 0;
74 
75 	printf("SG List:\n");
76 	for (i = 0; i < count; i++) {
77 		if (hdr->flags & MFI_FRAME_IEEE_SGL) {
78 			printf("0x%lx:%06d ", (u_long)sgl->sg_skinny[i].addr,
79 			    sgl->sg_skinny[i].len);
80 			columns += 26;
81 			if (columns > 77) {
82 				printf("\n");
83 				columns = 0;
84 			}
85 		} else if (hdr->flags & MFI_FRAME_SGL64) {
86 			printf("0x%lx:%06d ", (u_long)sgl->sg64[i].addr,
87 			    sgl->sg64[i].len);
88 			columns += 26;
89 			if (columns > 77) {
90 				printf("\n");
91 				columns = 0;
92 			}
93 		} else {
94 			printf("0x%x:%06d ", sgl->sg32[i].addr,
95 			    sgl->sg32[i].len);
96 			columns += 18;
97 			if (columns > 71) {
98 				printf("\n");
99 				columns = 0;
100 			}
101 		}
102 	}
103 	if (columns != 0)
104 		printf("\n");
105 
106 }
107 
108 static void
109 mfi_print_ldio(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
110 {
111 	struct mfi_io_frame *io;
112 	struct mfi_frame_header *hdr;
113 
114 	io = &cm->cm_frame->io;
115 	hdr = &io->header;
116 
117 	device_printf(dev, "cmd=%s target_id=%d sg_count=%d data_len=%d "
118 	    "lba=%d\n", (hdr->cmd == MFI_CMD_LD_READ) ? "LD_READ":"LD_WRITE",
119 	     hdr->target_id, hdr->sg_count, hdr->data_len, io->lba_lo);
120 	mfi_print_frame_flags(dev, hdr->flags);
121 	mfi_print_sgl(hdr, &io->sgl, hdr->sg_count);
122 
123 }
124 
125 static void
126 mfi_print_dcmd(struct mfi_softc *sc, device_t dev, struct mfi_command *cm)
127 {
128 	struct mfi_dcmd_frame *dcmd;
129 	struct mfi_frame_header *hdr;
130 	const char *opcode;
131 
132 	dcmd = &cm->cm_frame->dcmd;
133 	hdr = &dcmd->header;
134 
135 	switch (dcmd->opcode) {
136 	case MFI_DCMD_CTRL_GETINFO:
137 		opcode = "CTRL_GETINFO";
138 		break;
139 	case MFI_DCMD_CTRL_FLUSHCACHE:
140 		opcode = "CTRL_FLUSHCACHE";
141 		break;
142 	case MFI_DCMD_CTRL_SHUTDOWN:
143 		opcode = "CTRL_SHUTDOWN";
144 		break;
145 	case MFI_DCMD_CTRL_EVENT_GETINFO:
146 		opcode = "EVENT_GETINFO";
147 		break;
148 	case MFI_DCMD_CTRL_EVENT_GET:
149 		opcode = "EVENT_GET";
150 		break;
151 	case MFI_DCMD_CTRL_EVENT_WAIT:
152 		opcode = "EVENT_WAIT";
153 		break;
154 	case MFI_DCMD_LD_GET_LIST:
155 		opcode = "LD_GET_LIST";
156 		break;
157 	case MFI_DCMD_LD_GET_INFO:
158 		opcode = "LD_GET_INFO";
159 		break;
160 	case MFI_DCMD_LD_GET_PROP:
161 		opcode = "LD_GET_PROP";
162 		break;
163 	case MFI_DCMD_LD_SET_PROP:
164 		opcode = "LD_SET_PROP";
165 		break;
166 	case MFI_DCMD_CLUSTER:
167 		opcode = "CLUSTER";
168 		break;
169 	case MFI_DCMD_CLUSTER_RESET_ALL:
170 		opcode = "CLUSTER_RESET_ALL";
171 		break;
172 	case MFI_DCMD_CLUSTER_RESET_LD:
173 		opcode = "CLUSTER_RESET_LD";
174 		break;
175 	case MFI_DCMD_LD_MAP_GET_INFO:
176 		opcode = "LD_MAP_GET_INFO";
177 		break;
178 	default:
179 		opcode = "UNKNOWN";
180 		break;
181 	}
182 
183 	device_printf(dev, "cmd=MFI_CMD_DCMD opcode=%s data_len=%d\n",
184 	    opcode, hdr->data_len);
185 	mfi_print_frame_flags(dev, hdr->flags);
186 	mfi_print_sgl(hdr, &dcmd->sgl, hdr->sg_count);
187 
188 }
189 
190 static void
191 mfi_print_generic_frame(struct mfi_softc *sc, struct mfi_command *cm)
192 {
193 	hexdump(cm->cm_frame, cm->cm_total_frame_size, NULL, HD_OMIT_CHARS);
194 }
195 
196 void
197 mfi_print_cmd(struct mfi_command *cm)
198 {
199 	device_t dev;
200 	struct mfi_softc *sc;
201 
202 	sc = cm->cm_sc;
203 	dev = sc->mfi_dev;
204 
205 	device_printf(dev, "cm=%p index=%d total_frame_size=%d "
206 	    "extra_frames=%d\n", cm, cm->cm_index, cm->cm_total_frame_size,
207 	    cm->cm_extra_frames);
208 	device_printf(dev, "flags=%b\n", cm->cm_flags,
209 	    "\20"
210 	    "\1MAPPED"
211 	    "\2DATAIN"
212 	    "\3DATAOUT"
213 	    "\4COMPLETED"
214 	    "\5POLLED"
215 	    "\6Q_FREE"
216 	    "\7Q_READY"
217 	    "\10Q_BUSY");
218 
219 	switch (cm->cm_frame->header.cmd) {
220 	case MFI_CMD_DCMD:
221 		mfi_print_dcmd(sc, dev, cm);
222 		break;
223 	case MFI_CMD_LD_READ:
224 	case MFI_CMD_LD_WRITE:
225 		mfi_print_ldio(sc, dev, cm);
226 		break;
227 	default:
228 		mfi_print_generic_frame(sc, cm);
229 		break;
230 	}
231 
232 	return;
233 }
234 
235 void
236 mfi_dump_cmds(struct mfi_softc *sc)
237 {
238 	int i;
239 
240 	for (i = 0; i < sc->mfi_total_cmds; i++)
241 		mfi_print_generic_frame(sc, &sc->mfi_commands[i]);
242 }
243 
244 void
245 mfi_validate_sg(struct mfi_softc *sc, struct mfi_command *cm,
246 	const char *function, int line)
247 {
248 	struct mfi_frame_header *hdr;
249 	int i;
250 	uint32_t count = 0, data_len;
251 
252 	hdr = &cm->cm_frame->header;
253 	count = 0;
254 	for (i = 0; i < hdr->sg_count; i++) {
255 		if (hdr->flags & MFI_FRAME_IEEE_SGL)
256 			count += cm->cm_sg->sg_skinny[i].len;
257 		else if (hdr->flags & MFI_FRAME_SGL64)
258 			count += cm->cm_sg->sg64[i].len;
259 		else
260 			count += cm->cm_sg->sg32[i].len;
261 	}
262 	/*
263 	count++;
264 	*/
265 	data_len = hdr->data_len;
266 	switch (hdr->cmd) {
267 	case MFI_CMD_LD_READ:
268 	case MFI_CMD_LD_WRITE:
269 		data_len = data_len * 512;
270 	case MFI_CMD_DCMD:
271 		if (count != data_len) {
272 			device_printf(sc->mfi_dev,
273 			    "%s %d COMMAND %p S/G count bad %d %d %d 0x%jx\n",
274 			    function, line, cm, count, data_len, cm->cm_len,
275 			    (intmax_t)pmap_kextract((vm_offset_t)cm->cm_data));
276 			MFI_PRINT_CMD(cm);
277 		}
278 	}
279 }
280 
281 #endif
282