freebsd-dev/sys/dev/bxe/bxe_debug.c
David Christensen 4e4007688c Substantial rewrite of bxe(4) to add support for the BCM57712 and
BCM578XX controllers.

Approved by:	re
MFC after:	4 weeks
2013-09-20 20:18:49 +00:00

376 lines
9.8 KiB
C

/*-
* Copyright (c) 2007-2013 Broadcom Corporation. All rights reserved.
*
* Eric Davis <edavis@broadcom.com>
* David Christensen <davidch@broadcom.com>
* Gary Zambrano <zambrano@broadcom.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Broadcom Corporation nor the name of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written consent.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "bxe.h"
#include "ddb/ddb.h"
#include "ddb/db_sym.h"
#include "ddb/db_lex.h"
#ifdef BXE_REG_NO_INLINE
/*
* Debug versions of the 8/16/32 bit OS register read/write functions to
* capture/display values read/written from/to the controller.
*/
void
bxe_reg_write8(struct bxe_softc *sc, bus_size_t offset, uint8_t val)
{
BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%02x\n", offset, val);
bus_space_write_1(sc->bar[BAR0].tag,
sc->bar[BAR0].handle,
offset,
val);
}
void
bxe_reg_write16(struct bxe_softc *sc, bus_size_t offset, uint16_t val)
{
if ((offset % 2) != 0) {
BLOGD(sc, DBG_REGS, "Unaligned 16-bit write to 0x%08lx\n", offset);
}
BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%04x\n", offset, val);
bus_space_write_2(sc->bar[BAR0].tag,
sc->bar[BAR0].handle,
offset,
val);
}
void
bxe_reg_write32(struct bxe_softc *sc, bus_size_t offset, uint32_t val)
{
if ((offset % 4) != 0) {
BLOGD(sc, DBG_REGS, "Unaligned 32-bit write to 0x%08lx\n", offset);
}
BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%08x\n", offset, val);
bus_space_write_4(sc->bar[BAR0].tag,
sc->bar[BAR0].handle,
offset,
val);
}
uint8_t
bxe_reg_read8(struct bxe_softc *sc, bus_size_t offset)
{
uint8_t val;
val = bus_space_read_1(sc->bar[BAR0].tag,
sc->bar[BAR0].handle,
offset);
BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%02x\n", offset, val);
return (val);
}
uint16_t
bxe_reg_read16(struct bxe_softc *sc, bus_size_t offset)
{
uint16_t val;
if ((offset % 2) != 0) {
BLOGD(sc, DBG_REGS, "Unaligned 16-bit read from 0x%08lx\n", offset);
}
val = bus_space_read_2(sc->bar[BAR0].tag,
sc->bar[BAR0].handle,
offset);
BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%08x\n", offset, val);
return (val);
}
uint32_t
bxe_reg_read32(struct bxe_softc *sc, bus_size_t offset)
{
uint32_t val;
if ((offset % 4) != 0) {
BLOGD(sc, DBG_REGS, "Unaligned 32-bit read from 0x%08lx\n", offset);
}
val = bus_space_read_4(sc->bar[BAR0].tag,
sc->bar[BAR0].handle,
offset);
BLOGD(sc, DBG_REGS, "offset=0x%08lx val=0x%08x\n", offset, val);
return (val);
}
#endif /* BXE_REG_NO_INLINE */
#ifdef ELINK_DEBUG
void
elink_cb_dbg(struct bxe_softc *sc,
char *fmt)
{
char buf[128];
if (__predict_false(sc->debug & DBG_PHY)) {
snprintf(buf, sizeof(buf), "ELINK: %s", fmt);
device_printf(sc->dev, "%s", buf);
}
}
void
elink_cb_dbg1(struct bxe_softc *sc,
char *fmt,
uint32_t arg1)
{
char tmp[128], buf[128];
if (__predict_false(sc->debug & DBG_PHY)) {
snprintf(tmp, sizeof(tmp), "ELINK: %s", fmt);
snprintf(buf, sizeof(buf), tmp, arg1);
device_printf(sc->dev, "%s", buf);
}
}
void
elink_cb_dbg2(struct bxe_softc *sc,
char *fmt,
uint32_t arg1,
uint32_t arg2)
{
char tmp[128], buf[128];
if (__predict_false(sc->debug & DBG_PHY)) {
snprintf(tmp, sizeof(tmp), "ELINK: %s", fmt);
snprintf(buf, sizeof(buf), tmp, arg1, arg2);
device_printf(sc->dev, "%s", buf);
}
}
void
elink_cb_dbg3(struct bxe_softc *sc,
char *fmt,
uint32_t arg1,
uint32_t arg2,
uint32_t arg3)
{
char tmp[128], buf[128];
if (__predict_false(sc->debug & DBG_PHY)) {
snprintf(tmp, sizeof(tmp), "ELINK: %s", fmt);
snprintf(buf, sizeof(buf), tmp, arg1, arg2, arg3);
device_printf(sc->dev, "%s", buf);
}
}
#endif /* ELINK_DEBUG */
extern struct mtx bxe_prev_mtx;
void
bxe_dump_mem(struct bxe_softc *sc,
char *tag,
uint8_t *mem,
uint32_t len)
{
char buf[256];
char c[32];
int xx;
mtx_lock(&bxe_prev_mtx);
BLOGI(sc, "++++++++++++ %s\n", tag);
strcpy(buf, "** 000: ");
for (xx = 0; xx < len; xx++)
{
if ((xx != 0) && (xx % 16 == 0))
{
BLOGI(sc, "%s\n", buf);
strcpy(buf, "** ");
snprintf(c, sizeof(c), "%03x", xx);
strcat(buf, c);
strcat(buf, ": ");
}
snprintf(c, sizeof(c), "%02x ", *mem);
strcat(buf, c);
mem++;
}
BLOGI(sc, "%s\n", buf);
BLOGI(sc, "------------ %s\n", tag);
mtx_unlock(&bxe_prev_mtx);
}
void
bxe_dump_mbuf_data(struct bxe_softc *sc,
char *tag,
struct mbuf *m,
uint8_t contents)
{
char buf[256];
char c[32];
uint8_t *memp;
int i, xx = 0;
mtx_lock(&bxe_prev_mtx);
BLOGI(sc, "++++++++++++ %s\n", tag);
while (m)
{
memp = m->m_data;
strcpy(buf, "** > ");
snprintf(c, sizeof(c), "%03x", xx);
strcat(buf, c);
strcat(buf, ": ");
if (contents)
{
for (i = 0; i < m->m_len; i++)
{
if ((xx != 0) && (xx % 16 == 0))
{
BLOGI(sc, "%s\n", buf);
strcpy(buf, "** ");
snprintf(c, sizeof(c), "%03x", xx);
strcat(buf, c);
strcat(buf, ": ");
}
snprintf(c, sizeof(c), "%02x ", *memp);
strcat(buf, c);
memp++;
xx++;
}
}
else
{
snprintf(c, sizeof(c), "%d", m->m_len);
strcat(buf, c);
xx += m->m_len;
}
BLOGI(sc, "%s\n", buf);
m = m->m_next;
}
BLOGI(sc, "------------ %s\n", tag);
mtx_unlock(&bxe_prev_mtx);
}
#ifdef DDB
static void bxe_ddb_usage()
{
db_printf("Usage: bxe[/hpv] <instance> [<address>]\n");
}
static db_cmdfcn_t bxe_ddb;
_DB_SET(_cmd, bxe, bxe_ddb, db_cmd_table, CS_OWN, NULL);
static void bxe_ddb(db_expr_t blah1,
boolean_t blah2,
db_expr_t blah3,
char *blah4)
{
char if_xname[IFNAMSIZ];
struct ifnet *ifp = NULL;
struct bxe_softc *sc;
db_expr_t next_arg;
int index;
int tok;
int mod_phys_addr = FALSE;
int mod_virt_addr = FALSE;
db_addr_t addr;
tok = db_read_token();
if (tok == tSLASH) {
tok = db_read_token();
if (tok != tIDENT) {
db_printf("ERROR: bad modifier\n");
bxe_ddb_usage();
goto bxe_ddb_done;
}
if (strcmp(db_tok_string, "h") == 0) {
bxe_ddb_usage();
goto bxe_ddb_done;
} else if (strcmp(db_tok_string, "p") == 0) {
mod_phys_addr = TRUE;
} else if (strcmp(db_tok_string, "v") == 0) {
mod_virt_addr = TRUE;
}
} else {
db_unread_token(tok);
}
if (!db_expression((db_expr_t *)&index)) {
db_printf("ERROR: bxe index missing\n");
bxe_ddb_usage();
goto bxe_ddb_done;
}
snprintf(if_xname, sizeof(if_xname), "bxe%d", index);
if ((ifp = ifunit_ref(if_xname)) == NULL)
{
db_printf("ERROR: Invalid interface %s\n", if_xname);
goto bxe_ddb_done;
}
sc = (struct bxe_softc *)ifp->if_softc;
db_printf("ifnet=%p (%s)\n", ifp, if_xname);
db_printf("softc=%p\n", sc);
db_printf(" dev=%p\n", sc->dev);
db_printf(" BDF=%d:%d:%d\n",
sc->pcie_bus, sc->pcie_device, sc->pcie_func);
if (mod_phys_addr || mod_virt_addr) {
if (!db_expression((db_addr_t *)&addr)) {
db_printf("ERROR: Invalid address\n");
bxe_ddb_usage();
goto bxe_ddb_done;
}
db_printf("addr=%p", addr);
}
bxe_ddb_done:
db_flush_lex();
if (ifp) if_rele(ifp);
}
#endif /* DDB */