f5f2d263454d943a366844932bdb677530ba733bFred Herard/*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * CDDL HEADER START
f5f2d263454d943a366844932bdb677530ba733bFred Herard *
f5f2d263454d943a366844932bdb677530ba733bFred Herard * The contents of this file are subject to the terms of the
f5f2d263454d943a366844932bdb677530ba733bFred Herard * Common Development and Distribution License (the "License").
f5f2d263454d943a366844932bdb677530ba733bFred Herard * You may not use this file except in compliance with the License.
f5f2d263454d943a366844932bdb677530ba733bFred Herard *
f5f2d263454d943a366844932bdb677530ba733bFred Herard * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
f5f2d263454d943a366844932bdb677530ba733bFred Herard * or http://www.opensolaris.org/os/licensing.
f5f2d263454d943a366844932bdb677530ba733bFred Herard * See the License for the specific language governing permissions
f5f2d263454d943a366844932bdb677530ba733bFred Herard * and limitations under the License.
f5f2d263454d943a366844932bdb677530ba733bFred Herard *
f5f2d263454d943a366844932bdb677530ba733bFred Herard * When distributing Covered Code, include this CDDL HEADER in each
f5f2d263454d943a366844932bdb677530ba733bFred Herard * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
f5f2d263454d943a366844932bdb677530ba733bFred Herard * If applicable, add the following below this CDDL HEADER, with the
f5f2d263454d943a366844932bdb677530ba733bFred Herard * fields enclosed by brackets "[]" replaced with your own identifying
f5f2d263454d943a366844932bdb677530ba733bFred Herard * information: Portions Copyright [yyyy] [name of copyright owner]
f5f2d263454d943a366844932bdb677530ba733bFred Herard *
f5f2d263454d943a366844932bdb677530ba733bFred Herard * CDDL HEADER END
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herard/*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
f5f2d263454d943a366844932bdb677530ba733bFred Herard * Use is subject to license terms.
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
2ac302890e472bf0c11db192dd18f12ded6043f6Marcel Telka/*
2ac302890e472bf0c11db192dd18f12ded6043f6Marcel Telka * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
2ac302890e472bf0c11db192dd18f12ded6043f6Marcel Telka */
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard#include <sys/mdb_modapi.h>
f5f2d263454d943a366844932bdb677530ba733bFred Herard#include <mdb/mdb_ks.h>
f5f2d263454d943a366844932bdb677530ba733bFred Herard#include <sys/modctl.h>
f5f2d263454d943a366844932bdb677530ba733bFred Herard#include <note.h>
f5f2d263454d943a366844932bdb677530ba733bFred Herard#include <sys/ddi_impldefs.h>
f5f2d263454d943a366844932bdb677530ba733bFred Herard#include <sys/ddidmareq.h>
f5f2d263454d943a366844932bdb677530ba733bFred Herard#include <sys/devops.h>
f5f2d263454d943a366844932bdb677530ba733bFred Herard#include <time.h>
f5f2d263454d943a366844932bdb677530ba733bFred Herard#include <sys/varargs.h>
f5f2d263454d943a366844932bdb677530ba733bFred Herard#include <sys/sata/sata_hba.h>
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard/*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * SATA trace debug walker/dcmd code
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard/*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * Initialize the sata_trace_dmsg_t walker by either using the given starting
f5f2d263454d943a366844932bdb677530ba733bFred Herard * address, or reading the value of the kernel's sata_debug_rbuf pointer.
f5f2d263454d943a366844932bdb677530ba733bFred Herard * We also allocate a sata_trace_dmsg_t for storage, and save this using the
f5f2d263454d943a366844932bdb677530ba733bFred Herard * walk_data pointer.
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herardstatic int
f5f2d263454d943a366844932bdb677530ba733bFred Herardsata_dmsg_walk_i(mdb_walk_state_t *wsp)
f5f2d263454d943a366844932bdb677530ba733bFred Herard{
f5f2d263454d943a366844932bdb677530ba733bFred Herard uintptr_t rbuf_addr;
f5f2d263454d943a366844932bdb677530ba733bFred Herard sata_trace_rbuf_t rbuf;
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (wsp->walk_addr == NULL) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (mdb_readvar(&rbuf_addr, "sata_debug_rbuf") == -1) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard mdb_warn("failed to read 'sata_debug_rbuf'");
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (WALK_ERR);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (mdb_vread(&rbuf, sizeof (sata_trace_rbuf_t), rbuf_addr)
f5f2d263454d943a366844932bdb677530ba733bFred Herard == -1) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard mdb_warn("failed to read sata_trace_rbuf_t at %p",
f5f2d263454d943a366844932bdb677530ba733bFred Herard rbuf_addr);
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (WALK_ERR);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard wsp->walk_addr = (uintptr_t)(sata_trace_dmsg_t *)rbuf.dmsgh;
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard /*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * Save ptr to head of ring buffer to prevent looping.
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herard wsp->walk_arg = (void *)wsp->walk_addr;
f5f2d263454d943a366844932bdb677530ba733bFred Herard wsp->walk_data = mdb_alloc(sizeof (sata_trace_dmsg_t), UM_SLEEP);
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (WALK_NEXT);
f5f2d263454d943a366844932bdb677530ba733bFred Herard}
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard/*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * At each step, read a sata_trace_dmsg_t into our private storage, and then
f5f2d263454d943a366844932bdb677530ba733bFred Herard * invoke the callback function. We terminate when we reach a NULL next
f5f2d263454d943a366844932bdb677530ba733bFred Herard * pointer.
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herardstatic int
f5f2d263454d943a366844932bdb677530ba733bFred Herardsata_dmsg_walk_s(mdb_walk_state_t *wsp)
f5f2d263454d943a366844932bdb677530ba733bFred Herard{
f5f2d263454d943a366844932bdb677530ba733bFred Herard int status;
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (wsp->walk_addr == NULL)
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (WALK_DONE);
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (mdb_vread(wsp->walk_data, sizeof (sata_trace_dmsg_t),
f5f2d263454d943a366844932bdb677530ba733bFred Herard wsp->walk_addr) == -1) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard mdb_warn("failed to read sata_trace_dmsg_t at %p",
f5f2d263454d943a366844932bdb677530ba733bFred Herard wsp->walk_addr);
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (WALK_ERR);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
f5f2d263454d943a366844932bdb677530ba733bFred Herard wsp->walk_cbdata);
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard wsp->walk_addr =
f5f2d263454d943a366844932bdb677530ba733bFred Herard (uintptr_t)(((sata_trace_dmsg_t *)wsp->walk_data)->next);
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard /*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * If we've looped then we're done.
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (wsp->walk_addr == (uintptr_t)wsp->walk_arg)
f5f2d263454d943a366844932bdb677530ba733bFred Herard wsp->walk_addr = NULL;
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (status);
f5f2d263454d943a366844932bdb677530ba733bFred Herard}
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard/*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * The walker's fini function is invoked at the end of each walk. Since we
f5f2d263454d943a366844932bdb677530ba733bFred Herard * dynamically allocated a sata_trace_dmsg_t in sata_dmsg_walk_i, we must
f5f2d263454d943a366844932bdb677530ba733bFred Herard * free it now.
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herardstatic void
f5f2d263454d943a366844932bdb677530ba733bFred Herardsata_dmsg_walk_f(mdb_walk_state_t *wsp)
f5f2d263454d943a366844932bdb677530ba733bFred Herard{
f5f2d263454d943a366844932bdb677530ba733bFred Herard mdb_free(wsp->walk_data, sizeof (sata_trace_dmsg_t));
f5f2d263454d943a366844932bdb677530ba733bFred Herard}
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard/*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * This routine is used by the sata_dmsg_dump dcmd to dump content of
f5f2d263454d943a366844932bdb677530ba733bFred Herard * SATA trace ring buffer.
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herardint
f5f2d263454d943a366844932bdb677530ba733bFred Herardsata_dmsg_dump(sata_trace_dmsg_t *addr, int print_pathname, uint_t *printed)
f5f2d263454d943a366844932bdb677530ba733bFred Herard{
f5f2d263454d943a366844932bdb677530ba733bFred Herard sata_trace_dmsg_t dmsg, *dmsgh = addr;
f5f2d263454d943a366844932bdb677530ba733bFred Herard struct dev_info dev;
f5f2d263454d943a366844932bdb677530ba733bFred Herard char drivername[MODMAXNAMELEN];
f5f2d263454d943a366844932bdb677530ba733bFred Herard char pathname[MAXPATHLEN];
f5f2d263454d943a366844932bdb677530ba733bFred Herard char merge[1024];
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard while (addr != NULL) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (mdb_vread(&dmsg, sizeof (dmsg), (uintptr_t)addr) !=
f5f2d263454d943a366844932bdb677530ba733bFred Herard sizeof (dmsg)) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard mdb_warn("failed to read message pointer in kernel");
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (DCMD_ERR);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (dmsg.dip != NULL) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard if ((mdb_vread(&dev, sizeof (struct dev_info),
f5f2d263454d943a366844932bdb677530ba733bFred Herard (uintptr_t)dmsg.dip)) == -1) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard (void) mdb_snprintf(merge, sizeof (merge),
f5f2d263454d943a366844932bdb677530ba733bFred Herard "[%Y:%03d:%03d:%03d] : %s",
f5f2d263454d943a366844932bdb677530ba733bFred Herard dmsg.timestamp.tv_sec,
f5f2d263454d943a366844932bdb677530ba733bFred Herard (int)dmsg.timestamp.tv_nsec/1000000,
f5f2d263454d943a366844932bdb677530ba733bFred Herard (int)(dmsg.timestamp.tv_nsec/1000)%1000,
f5f2d263454d943a366844932bdb677530ba733bFred Herard (int)dmsg.timestamp.tv_nsec%1000,
f5f2d263454d943a366844932bdb677530ba733bFred Herard dmsg.buf);
f5f2d263454d943a366844932bdb677530ba733bFred Herard } else {
f5f2d263454d943a366844932bdb677530ba733bFred Herard (void) mdb_devinfo2driver((uintptr_t)dmsg.dip,
f5f2d263454d943a366844932bdb677530ba733bFred Herard drivername, sizeof (drivername));
f5f2d263454d943a366844932bdb677530ba733bFred Herard (void) mdb_snprintf(merge, sizeof (merge),
f5f2d263454d943a366844932bdb677530ba733bFred Herard "[%Y:%03d:%03d:%03d] %s%d: %s",
f5f2d263454d943a366844932bdb677530ba733bFred Herard dmsg.timestamp.tv_sec,
f5f2d263454d943a366844932bdb677530ba733bFred Herard (int)dmsg.timestamp.tv_nsec/1000000,
f5f2d263454d943a366844932bdb677530ba733bFred Herard (int)(dmsg.timestamp.tv_nsec/1000)%1000,
f5f2d263454d943a366844932bdb677530ba733bFred Herard (int)dmsg.timestamp.tv_nsec%1000,
f5f2d263454d943a366844932bdb677530ba733bFred Herard drivername,
f5f2d263454d943a366844932bdb677530ba733bFred Herard dev.devi_instance,
f5f2d263454d943a366844932bdb677530ba733bFred Herard dmsg.buf);
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (print_pathname == TRUE) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard (void) mdb_ddi_pathname(
f5f2d263454d943a366844932bdb677530ba733bFred Herard (uintptr_t)dmsg.dip, pathname,
f5f2d263454d943a366844932bdb677530ba733bFred Herard sizeof (pathname));
2ac302890e472bf0c11db192dd18f12ded6043f6Marcel Telka mdb_printf("[%s]", pathname);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard } else {
f5f2d263454d943a366844932bdb677530ba733bFred Herard (void) mdb_snprintf(merge, sizeof (merge),
f5f2d263454d943a366844932bdb677530ba733bFred Herard "[%Y:%03d:%03d:%03d] : %s",
f5f2d263454d943a366844932bdb677530ba733bFred Herard dmsg.timestamp.tv_sec,
f5f2d263454d943a366844932bdb677530ba733bFred Herard (int)dmsg.timestamp.tv_nsec/1000000,
f5f2d263454d943a366844932bdb677530ba733bFred Herard (int)(dmsg.timestamp.tv_nsec/1000)%1000,
f5f2d263454d943a366844932bdb677530ba733bFred Herard (int)dmsg.timestamp.tv_nsec%1000,
f5f2d263454d943a366844932bdb677530ba733bFred Herard dmsg.buf);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
2ac302890e472bf0c11db192dd18f12ded6043f6Marcel Telka mdb_printf("%s\n", merge);
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (printed != NULL) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard (*printed)++;
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (((addr = dmsg.next) == NULL) || (dmsg.next == dmsgh)) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard break;
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (DCMD_OK);
f5f2d263454d943a366844932bdb677530ba733bFred Herard}
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard/*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * 1. Process flag passed to sata_dmsg_dump dcmd.
f5f2d263454d943a366844932bdb677530ba733bFred Herard * 2. Obtain SATA trace ring buffer pointer.
f5f2d263454d943a366844932bdb677530ba733bFred Herard * 3. Pass SATA trace ring buffer pointer to sata_dmsg_dump()
f5f2d263454d943a366844932bdb677530ba733bFred Herard * to dump content of SATA trace ring buffer.
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herardint
f5f2d263454d943a366844932bdb677530ba733bFred Herardsata_rbuf_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
f5f2d263454d943a366844932bdb677530ba733bFred Herard{
f5f2d263454d943a366844932bdb677530ba733bFred Herard sata_trace_rbuf_t rbuf;
f5f2d263454d943a366844932bdb677530ba733bFred Herard uint_t printed = 0; /* have we printed anything? */
f5f2d263454d943a366844932bdb677530ba733bFred Herard int print_pathname = FALSE;
f5f2d263454d943a366844932bdb677530ba733bFred Herard int rval = DCMD_OK;
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (argc > 1) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (DCMD_USAGE);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (mdb_getopts(argc, argv,
f5f2d263454d943a366844932bdb677530ba733bFred Herard 'a', MDB_OPT_SETBITS, TRUE, &print_pathname) != argc) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (DCMD_USAGE);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard /*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * If ring buffer address not provided try to obtain
f5f2d263454d943a366844932bdb677530ba733bFred Herard * it using sata_debug_rbuf global.
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herard if ((addr == NULL) || !(flags & DCMD_ADDRSPEC)) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (mdb_readvar(&addr, "sata_debug_rbuf") == -1) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard mdb_warn("Failed to read 'sata_debug_rbuf'.");
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (DCMD_ERR);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (mdb_vread(&rbuf, sizeof (rbuf), addr) != sizeof (rbuf)) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard mdb_warn("Failed to read ring buffer in kernel.");
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (DCMD_ERR);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (rbuf.dmsgh == NULL) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard mdb_printf("The sata trace ring buffer is empty.\n");
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (DCMD_OK);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard rval = sata_dmsg_dump((sata_trace_dmsg_t *)rbuf.dmsgh,
f5f2d263454d943a366844932bdb677530ba733bFred Herard print_pathname, &printed);
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (rval != DCMD_OK) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (rval);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard if (printed == 0) {
f5f2d263454d943a366844932bdb677530ba733bFred Herard mdb_warn("Failed to read sata trace ring buffer.");
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (DCMD_ERR);
f5f2d263454d943a366844932bdb677530ba733bFred Herard }
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (rval);
f5f2d263454d943a366844932bdb677530ba733bFred Herard}
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herard/*
f5f2d263454d943a366844932bdb677530ba733bFred Herard * MDB module linkage information:
f5f2d263454d943a366844932bdb677530ba733bFred Herard *
f5f2d263454d943a366844932bdb677530ba733bFred Herard * We declare a list of structures describing our dcmds, a list of structures
f5f2d263454d943a366844932bdb677530ba733bFred Herard * describing our walkers, and a function named _mdb_init to return a pointer
f5f2d263454d943a366844932bdb677530ba733bFred Herard * to our module information.
f5f2d263454d943a366844932bdb677530ba733bFred Herard */
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herardstatic const mdb_dcmd_t dcmds[] = {
f5f2d263454d943a366844932bdb677530ba733bFred Herard { "sata_dmsg_dump", "[-a]", "Dump sata trace debug messages",
f5f2d263454d943a366844932bdb677530ba733bFred Herard sata_rbuf_dump },
f5f2d263454d943a366844932bdb677530ba733bFred Herard { NULL }
f5f2d263454d943a366844932bdb677530ba733bFred Herard};
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herardstatic const mdb_walker_t walkers[] = {
f5f2d263454d943a366844932bdb677530ba733bFred Herard { "sata_dmsg",
f5f2d263454d943a366844932bdb677530ba733bFred Herard "walk ring buffer containing sata trace debug messages",
f5f2d263454d943a366844932bdb677530ba733bFred Herard sata_dmsg_walk_i, sata_dmsg_walk_s, sata_dmsg_walk_f },
f5f2d263454d943a366844932bdb677530ba733bFred Herard { NULL }
f5f2d263454d943a366844932bdb677530ba733bFred Herard};
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herardstatic const mdb_modinfo_t modinfo = {
f5f2d263454d943a366844932bdb677530ba733bFred Herard MDB_API_VERSION, dcmds, walkers
f5f2d263454d943a366844932bdb677530ba733bFred Herard};
f5f2d263454d943a366844932bdb677530ba733bFred Herard
f5f2d263454d943a366844932bdb677530ba733bFred Herardconst mdb_modinfo_t *
f5f2d263454d943a366844932bdb677530ba733bFred Herard_mdb_init(void)
f5f2d263454d943a366844932bdb677530ba733bFred Herard{
f5f2d263454d943a366844932bdb677530ba733bFred Herard return (&modinfo);
f5f2d263454d943a366844932bdb677530ba733bFred Herard}