Substantial rewrite of bxe(4) to add support for the BCM57712 and

BCM578XX controllers.

Approved by:	re
MFC after:	4 weeks

1 files changed, 375 insertions, 0 deletions

diff --git a/sys/dev/bxe/bxe_debug.c b/sys/dev/bxe/bxe_debug.c
new file mode 100644
index 0000000..328779f
--- /dev/null
+++ b/sys/dev/bxe/bxe_debug.c
@@ -0,0 +1,375 @@
+/*-
+ * 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 */
+