bxe_debug.c revision 265797 
1/*-
2 * Copyright (c) 2007-2014 QLogic Corporation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
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 COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
15 * AND 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 COPYRIGHT OWNER OR CONTRIBUTORS
18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
24 * THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: stable/10/sys/dev/bxe/bxe_debug.c 265797 2014-05-10 02:10:32Z davidcs $");
29
30#include "bxe.h"
31
32#include "ddb/ddb.h"
33#include "ddb/db_sym.h"
34#include "ddb/db_lex.h"
35
36#ifdef BXE_REG_NO_INLINE
37
38/*
39 * Debug versions of the 8/16/32 bit OS register read/write functions to
40 * capture/display values read/written from/to the controller.
41 */
42
43void
44bxe_reg_write8(struct bxe_softc *sc, bus_size_t offset, uint8_t val)
45{
46    BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%02x\n", offset, val);
47    bus_space_write_1(sc->bar[BAR0].tag,
48                      sc->bar[BAR0].handle,
49                      offset,
50                      val);
51}
52
53void
54bxe_reg_write16(struct bxe_softc *sc, bus_size_t offset, uint16_t val)
55{
56    if ((offset % 2) != 0) {
57        BLOGD(sc, DBG_REGS, "Unaligned 16-bit write to 0x%08lx\n", offset);
58    }
59
60    BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%04x\n", offset, val);
61    bus_space_write_2(sc->bar[BAR0].tag,
62                      sc->bar[BAR0].handle,
63                      offset,
64                      val);
65}
66
67void
68bxe_reg_write32(struct bxe_softc *sc, bus_size_t offset, uint32_t val)
69{
70    if ((offset % 4) != 0) {
71        BLOGD(sc, DBG_REGS, "Unaligned 32-bit write to 0x%08lx\n", offset);
72    }
73
74    BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%08x\n", offset, val);
75    bus_space_write_4(sc->bar[BAR0].tag,
76                      sc->bar[BAR0].handle,
77                      offset,
78                      val);
79}
80
81uint8_t
82bxe_reg_read8(struct bxe_softc *sc, bus_size_t offset)
83{
84    uint8_t val;
85
86    val = bus_space_read_1(sc->bar[BAR0].tag,
87                           sc->bar[BAR0].handle,
88                           offset);
89    BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%02x\n", offset, val);
90
91    return (val);
92}
93
94uint16_t
95bxe_reg_read16(struct bxe_softc *sc, bus_size_t offset)
96{
97    uint16_t val;
98
99    if ((offset % 2) != 0) {
100        BLOGD(sc, DBG_REGS, "Unaligned 16-bit read from 0x%08lx\n", offset);
101    }
102
103    val = bus_space_read_2(sc->bar[BAR0].tag,
104                           sc->bar[BAR0].handle,
105                           offset);
106    BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%08x\n", offset, val);
107
108    return (val);
109}
110
111uint32_t
112bxe_reg_read32(struct bxe_softc *sc, bus_size_t offset)
113{
114    uint32_t val;
115
116    if ((offset % 4) != 0) {
117        BLOGD(sc, DBG_REGS, "Unaligned 32-bit read from 0x%08lx\n", offset);
118    }
119
120    val = bus_space_read_4(sc->bar[BAR0].tag,
121                           sc->bar[BAR0].handle,
122                           offset);
123    BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%08x\n", offset, val);
124
125    return (val);
126}
127
128#endif /* BXE_REG_NO_INLINE */
129
130#ifdef ELINK_DEBUG
131
132void
133elink_cb_dbg(struct bxe_softc *sc,
134             char             *fmt)
135{
136    char buf[128];
137    if (__predict_false(sc->debug & DBG_PHY)) {
138        snprintf(buf, sizeof(buf), "ELINK: %s", fmt);
139        device_printf(sc->dev, "%s", buf);
140    }
141}
142
143void
144elink_cb_dbg1(struct bxe_softc *sc,
145              char             *fmt,
146              uint32_t         arg1)
147{
148    char tmp[128], buf[128];
149    if (__predict_false(sc->debug & DBG_PHY)) {
150        snprintf(tmp, sizeof(tmp), "ELINK: %s", fmt);
151        snprintf(buf, sizeof(buf), tmp, arg1);
152        device_printf(sc->dev, "%s", buf);
153    }
154}
155
156void
157elink_cb_dbg2(struct bxe_softc *sc,
158              char             *fmt,
159              uint32_t         arg1,
160              uint32_t         arg2)
161{
162    char tmp[128], buf[128];
163    if (__predict_false(sc->debug & DBG_PHY)) {
164        snprintf(tmp, sizeof(tmp), "ELINK: %s", fmt);
165        snprintf(buf, sizeof(buf), tmp, arg1, arg2);
166        device_printf(sc->dev, "%s", buf);
167    }
168}
169
170void
171elink_cb_dbg3(struct bxe_softc *sc,
172              char             *fmt,
173              uint32_t         arg1,
174              uint32_t         arg2,
175              uint32_t         arg3)
176{
177    char tmp[128], buf[128];
178    if (__predict_false(sc->debug & DBG_PHY)) {
179        snprintf(tmp, sizeof(tmp), "ELINK: %s", fmt);
180        snprintf(buf, sizeof(buf), tmp, arg1, arg2, arg3);
181        device_printf(sc->dev, "%s", buf);
182    }
183}
184
185#endif /* ELINK_DEBUG */
186
187extern struct mtx bxe_prev_mtx;
188
189void
190bxe_dump_mem(struct bxe_softc *sc,
191             char             *tag,
192             uint8_t          *mem,
193             uint32_t         len)
194{
195    char buf[256];
196    char c[32];
197    int  xx;
198
199    mtx_lock(&bxe_prev_mtx);
200
201    BLOGI(sc, "++++++++++++ %s\n", tag);
202    strcpy(buf, "** 000: ");
203
204    for (xx = 0; xx < len; xx++)
205    {
206        if ((xx != 0) && (xx % 16 == 0))
207        {
208            BLOGI(sc, "%s\n", buf);
209            strcpy(buf, "** ");
210            snprintf(c, sizeof(c), "%03x", xx);
211            strcat(buf, c);
212            strcat(buf, ": ");
213        }
214
215        snprintf(c, sizeof(c), "%02x ", *mem);
216        strcat(buf, c);
217
218        mem++;
219    }
220
221    BLOGI(sc, "%s\n", buf);
222    BLOGI(sc, "------------ %s\n", tag);
223
224    mtx_unlock(&bxe_prev_mtx);
225}
226
227void
228bxe_dump_mbuf_data(struct bxe_softc *sc,
229                   char             *tag,
230                   struct mbuf      *m,
231                   uint8_t          contents)
232{
233    char buf[256];
234    char c[32];
235    uint8_t *memp;
236    int i, xx = 0;
237
238    mtx_lock(&bxe_prev_mtx);
239
240    BLOGI(sc, "++++++++++++ %s\n", tag);
241
242    while (m)
243    {
244        memp = m->m_data;
245        strcpy(buf, "** > ");
246        snprintf(c, sizeof(c), "%03x", xx);
247        strcat(buf, c);
248        strcat(buf, ": ");
249
250        if (contents)
251        {
252            for (i = 0; i < m->m_len; i++)
253            {
254                if ((xx != 0) && (xx % 16 == 0))
255                {
256                    BLOGI(sc, "%s\n", buf);
257                    strcpy(buf, "**   ");
258                    snprintf(c, sizeof(c), "%03x", xx);
259                    strcat(buf, c);
260                    strcat(buf, ": ");
261                }
262
263                snprintf(c, sizeof(c), "%02x ", *memp);
264                strcat(buf, c);
265
266                memp++;
267                xx++;
268            }
269        }
270        else
271        {
272            snprintf(c, sizeof(c), "%d", m->m_len);
273            strcat(buf, c);
274            xx += m->m_len;
275        }
276
277        BLOGI(sc, "%s\n", buf);
278        m = m->m_next;
279    }
280
281    BLOGI(sc, "------------ %s\n", tag);
282
283    mtx_unlock(&bxe_prev_mtx);
284}
285
286#ifdef DDB
287
288static void bxe_ddb_usage()
289{
290    db_printf("Usage: bxe[/hpv] <instance> [<address>]\n");
291}
292
293static db_cmdfcn_t bxe_ddb;
294_DB_SET(_cmd, bxe, bxe_ddb, db_cmd_table, CS_OWN, NULL);
295
296static void bxe_ddb(db_expr_t blah1,
297                    boolean_t blah2,
298                    db_expr_t blah3,
299                    char      *blah4)
300{
301    char if_xname[IFNAMSIZ];
302    struct ifnet *ifp = NULL;
303    struct bxe_softc *sc;
304    db_expr_t next_arg;
305    int index;
306    int tok;
307    int mod_phys_addr = FALSE;
308    int mod_virt_addr = FALSE;
309    db_addr_t addr;
310
311    tok = db_read_token();
312    if (tok == tSLASH) {
313        tok = db_read_token();
314        if (tok != tIDENT) {
315            db_printf("ERROR: bad modifier\n");
316            bxe_ddb_usage();
317            goto bxe_ddb_done;
318        }
319        if (strcmp(db_tok_string, "h") == 0) {
320            bxe_ddb_usage();
321            goto bxe_ddb_done;
322        } else if (strcmp(db_tok_string, "p") == 0) {
323            mod_phys_addr = TRUE;
324        } else if (strcmp(db_tok_string, "v") == 0) {
325            mod_virt_addr = TRUE;
326        }
327    } else {
328        db_unread_token(tok);
329    }
330
331    if (!db_expression((db_expr_t *)&index)) {
332        db_printf("ERROR: bxe index missing\n");
333        bxe_ddb_usage();
334        goto bxe_ddb_done;
335    }
336
337    snprintf(if_xname, sizeof(if_xname), "bxe%d", index);
338    if ((ifp = ifunit_ref(if_xname)) == NULL)
339    {
340        db_printf("ERROR: Invalid interface %s\n", if_xname);
341        goto bxe_ddb_done;
342    }
343
344    sc = (struct bxe_softc *)ifp->if_softc;
345    db_printf("ifnet=%p (%s)\n", ifp, if_xname);
346    db_printf("softc=%p\n", sc);
347    db_printf("  dev=%p\n", sc->dev);
348    db_printf("  BDF=%d:%d:%d\n",
349              sc->pcie_bus, sc->pcie_device, sc->pcie_func);
350
351    if (mod_phys_addr || mod_virt_addr) {
352        if (!db_expression((db_addr_t *)&addr)) {
353            db_printf("ERROR: Invalid address\n");
354            bxe_ddb_usage();
355            goto bxe_ddb_done;
356        }
357
358        db_printf("addr=%p", addr);
359    }
360
361bxe_ddb_done:
362
363    db_flush_lex();
364    if (ifp) if_rele(ifp);
365}
366
367#endif /* DDB */
368
369