/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stddef.h>
#include <sys/types.h>
#include <sys/mdb_modapi.h>
#include <sys/nsctl/nsctl.h>
#include <sys/unistat/spcs_s.h>
#include <sys/unistat/spcs_s_k.h>
#include <sys/nsctl/dsw.h>
#include <sys/nsctl/dsw_dev.h>
#include <sys/nsctl/nsvers.h>
const mdb_bitmask_t bi_flags_bits[] = {
{ "DSW_GOLDEN", DSW_GOLDEN, DSW_GOLDEN },
{ "DSW_COPYINGP", DSW_COPYINGP, DSW_COPYINGP },
{ "DSW_COPYINGM", DSW_COPYINGM, DSW_COPYINGM },
{ "DSW_COPYINGS", DSW_COPYINGS, DSW_COPYINGS },
{ "DSW_COPYINGX", DSW_COPYINGX, DSW_COPYINGX },
{ "DSW_BMPOFFLINE", DSW_BMPOFFLINE, DSW_BMPOFFLINE },
{ "DSW_SHDOFFLINE", DSW_SHDOFFLINE, DSW_SHDOFFLINE },
{ "DSW_MSTOFFLINE", DSW_MSTOFFLINE, DSW_MSTOFFLINE },
{ "DSW_OVROFFLINE", DSW_OVROFFLINE, DSW_OVROFFLINE },
{ "DSW_TREEMAP", DSW_TREEMAP, DSW_TREEMAP },
{ "DSW_OVERFLOW", DSW_OVERFLOW, DSW_OVERFLOW },
{ "DSW_SHDEXPORT", DSW_SHDEXPORT, DSW_SHDEXPORT },
{ "DSW_SHDIMPORT", DSW_SHDIMPORT, DSW_SHDIMPORT },
{ "DSW_VOVERFLOW", DSW_VOVERFLOW, DSW_VOVERFLOW },
{ "DSW_HANGING", DSW_HANGING, DSW_HANGING },
{ "DSW_CFGOFFLINE", DSW_CFGOFFLINE, DSW_CFGOFFLINE },
{ "DSW_OVRHDRDRTY", DSW_OVRHDRDRTY, DSW_OVRHDRDRTY },
{ "DSW_RESIZED", DSW_RESIZED, DSW_RESIZED },
{ "DSW_FRECLAIM", DSW_FRECLAIM, DSW_FRECLAIM },
{ NULL, 0, 0 }
};
const mdb_bitmask_t bi_state_bits[] = {
{ "DSW_IOCTL", DSW_IOCTL, DSW_IOCTL },
{ "DSW_CLOSING", DSW_CLOSING, DSW_CLOSING },
{ "DSW_MSTTARGET", DSW_MSTTARGET, DSW_MSTTARGET },
{ "DSW_MULTIMST", DSW_MULTIMST, DSW_MULTIMST },
{ NULL, 0, 0 }
};
static uintptr_t nextaddr;
/*
* Display a ii_fd_t
* Requires an address.
*/
/*ARGSUSED*/
static int
ii_fd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
ii_fd_t fd;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&fd, sizeof (fd), addr) != sizeof (fd)) {
mdb_warn("failed to read ii_fd_t at 0x%p", addr);
return (DCMD_ERR);
}
mdb_inc_indent(4);
mdb_printf("ii_info: 0x%p ii_bmp: %d ii_shd: %d ii_ovr: %d ii_optr: "
"0x%p\nii_oflags: 0x%x\n", fd.ii_info, fd.ii_bmp, fd.ii_shd,
fd.ii_ovr, fd.ii_optr, fd.ii_oflags);
mdb_dec_indent(4);
return (DCMD_OK);
}
/*
* displays a ii_info_dev structure.
*/
/*ARGSUSED*/
static int
ii_info_dev(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
_ii_info_dev_t ipdev;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&ipdev, sizeof (ipdev), addr) != sizeof (ipdev)) {
mdb_warn("failed to read ii_info_dev_t at 0x%p", addr);
return (DCMD_ERR);
}
mdb_inc_indent(4);
mdb_printf("bi_fd: 0x%p bi_iodev: 0x%p bi_tok: 0x%p\n",
ipdev.bi_fd, ipdev.bi_iodev, ipdev.bi_tok);
mdb_printf("bi_ref: %d bi_rsrv: %d bi_orsrv: %d\n",
ipdev.bi_ref, ipdev.bi_rsrv, ipdev.bi_orsrv);
/*
* use nsc_fd to dump the fd details.... if present.
*/
if (ipdev.bi_fd) {
mdb_printf("nsc_fd structure:\n");
mdb_inc_indent(4);
mdb_call_dcmd("nsc_fd", (uintptr_t)(ipdev.bi_fd),
flags, 0, NULL);
mdb_dec_indent(4);
}
mdb_dec_indent(4);
return (DCMD_OK);
}
/*
* Displays an _ii_overflow structure
*/
/*ARGSUSED*/
static int
ii_overflow(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
_ii_overflow_t ii_overflow;
nextaddr = 0;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&ii_overflow, sizeof (ii_overflow), addr)
!= sizeof (ii_overflow)) {
mdb_warn("failed to read ii_overflow_t at 0x%p", addr);
return (DCMD_ERR);
}
mdb_inc_indent(4);
mdb_printf("_ii_overflow at 0x%p\n", addr);
mdb_printf("_ii_doverflow_t\n");
mdb_inc_indent(4);
mdb_printf("ii_dvolname: %s\n", ii_overflow.ii_volname);
mdb_printf("ii_dhmagic: %x\n", ii_overflow.ii_hmagic);
mdb_printf("ii_dhversion: %x\n", ii_overflow.ii_hversion);
mdb_printf("ii_ddrefcnt: %x\n", ii_overflow.ii_drefcnt);
mdb_printf("ii_dflags: %x\n", ii_overflow.ii_flags);
mdb_printf("ii_dfreehead: %x\n", ii_overflow.ii_freehead);
mdb_printf("ii_dnchunks: %x\n", ii_overflow.ii_nchunks);
mdb_printf("ii_dunused: %x\n", ii_overflow.ii_unused);
mdb_printf("ii_dused: %x\n", ii_overflow.ii_used);
mdb_printf("ii_urefcnt: %x\n", ii_overflow.ii_urefcnt);
mdb_dec_indent(4);
mdb_printf("ii_mutex: %x\n", ii_overflow.ii_mutex);
mdb_printf("ii_kstat_mutex: %x\n", ii_overflow.ii_kstat_mutex);
mdb_printf("ii_crefcnt: %d\n", ii_overflow.ii_crefcnt);
mdb_printf("ii_detachcnt: %d\n", ii_overflow.ii_detachcnt);
mdb_printf("ii_next: %x\n", ii_overflow.ii_next);
mdb_printf("Overflow volume:\n");
if (ii_overflow.ii_dev)
ii_info_dev((uintptr_t)ii_overflow.ii_dev, flags, 0, NULL);
mdb_printf(" ii_ioname: %s\n", &ii_overflow.ii_ioname);
mdb_dec_indent(4);
nextaddr = (uintptr_t)ii_overflow.ii_next;
return (DCMD_OK);
}
/*ARGSUSED*/
static int
ii_info(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
_ii_info_t ii_info = {0};
char string[DSW_NAMELEN];
nextaddr = 0;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&ii_info, sizeof (ii_info), addr) != sizeof (ii_info)) {
mdb_warn("failed to read ii_info_t at 0x%p", addr);
return (DCMD_ERR);
}
mdb_printf(
"bi_next: 0x%p\n"
"bi_head: 0x%p\t"
"bi_sibling: 0x%p\n"
"bi_master: 0x%p\t"
"bi_nextmst: 0x%p\n",
ii_info.bi_next, ii_info.bi_head, ii_info.bi_sibling,
ii_info.bi_master, ii_info.bi_nextmst);
mdb_printf("bi_mutex: 0x%p\n", ii_info.bi_mutex);
/*
* Print out all the fds by using ii_info_dev
*/
mdb_printf("Cache master:\n");
if (ii_info.bi_mstdev)
ii_info_dev((uintptr_t)ii_info.bi_mstdev, flags, 0, NULL);
mdb_printf("Raw master:\n");
if (ii_info.bi_mstrdev)
ii_info_dev((uintptr_t)ii_info.bi_mstrdev, flags, 0, NULL);
mdb_printf("Cache shadow:\n");
ii_info_dev((uintptr_t)(addr + offsetof(_ii_info_t, bi_shddev)),
flags, 0, NULL);
mdb_printf("Raw shadow:\n");
ii_info_dev((uintptr_t)(addr + offsetof(_ii_info_t, bi_shdrdev)),
flags, 0, NULL);
mdb_printf("Bitmap:\n");
ii_info_dev((uintptr_t)(addr + offsetof(_ii_info_t, bi_bmpdev)),
flags, 0, NULL);
mdb_printf("bi_keyname: %-*s\n", DSW_NAMELEN, ii_info.bi_keyname);
mdb_printf("bi_bitmap: 0x%p\n", ii_info.bi_bitmap);
if ((ii_info.bi_cluster == NULL) ||
(mdb_vread(&string, sizeof (string), (uintptr_t)ii_info.bi_cluster)
!= sizeof (string)))
string[0] = 0;
mdb_printf("bi_cluster: %s\n", string);
if ((ii_info.bi_group == NULL) ||
(mdb_vread(&string, sizeof (string), (uintptr_t)ii_info.bi_group)
!= sizeof (string)))
string[0] = 0;
mdb_printf("bi_group: %s\n", string);
mdb_printf("bi_busy: 0x%p\n", ii_info.bi_busy);
mdb_printf("bi_shdfba: %0x\t", ii_info.bi_shdfba);
mdb_printf("bi_shdbits: %0x\n", ii_info.bi_shdbits);
mdb_printf("bi_copyfba: %0x\t", ii_info.bi_copyfba);
mdb_printf("bi_copybits: %0x\n", ii_info.bi_copybits);
mdb_printf("bi_size: %0x\n", ii_info.bi_size);
mdb_printf("bi_flags: 0x%x <%b>\n",
ii_info.bi_flags, ii_info.bi_flags, bi_flags_bits);
mdb_printf("bi_state: 0x%x <%b>\n",
ii_info.bi_state, ii_info.bi_state, bi_state_bits);
mdb_printf("bi_disabled: %d\n", ii_info.bi_disabled);
mdb_printf("bi_ioctl: %d\n", ii_info.bi_ioctl);
mdb_printf("bi_release: %d\t", ii_info.bi_release);
mdb_printf("bi_rsrvcnt: %d\n", ii_info.bi_rsrvcnt);
mdb_printf("bi_copydonecv: %x\t", ii_info.bi_copydonecv);
mdb_printf("bi_reservecv: %x\n", ii_info.bi_reservecv);
mdb_printf("bi_releasecv: %x\t", ii_info.bi_releasecv);
mdb_printf("bi_closingcv: %x\n", ii_info.bi_closingcv);
mdb_printf("bi_ioctlcv: %x\t", ii_info.bi_ioctlcv);
mdb_printf("bi_busycv: %x\n", ii_info.bi_busycv);
mdb_call_dcmd("rwlock", (uintptr_t)(addr +
offsetof(_ii_info_t, bi_busyrw)), flags, 0, NULL);
mdb_printf("bi_bitmap_ops: 0x%p\n", ii_info.bi_bitmap_ops);
mdb_printf("bi_rsrvmutex: %x\t", ii_info.bi_rsrvmutex);
mdb_printf("bi_rlsemutex: %x\n", ii_info.bi_rlsemutex);
mdb_printf("bi_bmpmutex: %x\n", ii_info.bi_bmpmutex);
mdb_printf("bi_mstchks: %d\t", ii_info.bi_mstchks);
mdb_printf("bi_shdchks: %d\n", ii_info.bi_shdchks);
mdb_printf("bi_shdchkused: %d\t", ii_info.bi_shdchkused);
mdb_printf("bi_shdfchk: %d\n", ii_info.bi_shdfchk);
mdb_printf("bi_overflow\n");
if (ii_info.bi_overflow)
ii_overflow((uintptr_t)ii_info.bi_overflow, flags, 0, NULL);
mdb_printf("bi_iifd:\n");
if (ii_info.bi_iifd)
(void) ii_fd((uintptr_t)ii_info.bi_iifd, flags, 0, NULL);
mdb_printf("bi_throttle_unit: %d\t", ii_info.bi_throttle_unit);
mdb_printf("bi_throttle_delay: %d\n", ii_info.bi_throttle_delay);
mdb_printf("bi_linkrw:\n");
mdb_call_dcmd("rwlock", (uintptr_t)(addr +
offsetof(_ii_info_t, bi_linkrw)), flags, 0, NULL);
mdb_printf("bi_chksmutex: %x\n", ii_info.bi_chksmutex);
mdb_printf("bi_locked_pid: %x\n", ii_info.bi_locked_pid);
mdb_printf("bi_kstat: 0x%p\n", ii_info.bi_kstat);
/* ii_kstat_info_t bi_kstat_io; */
nextaddr = (uintptr_t)ii_info.bi_next;
return (DCMD_OK);
}
/*
* This should be a walker surely.
*/
/*ARGSUSED*/
static int
ii_info_all(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uintptr_t myaddr;
/*
* we use the global address.
*/
if (flags & DCMD_ADDRSPEC)
return (DCMD_USAGE);
if (mdb_readsym(&myaddr, sizeof (myaddr), "_ii_info_top") !=
sizeof (myaddr)) {
return (DCMD_ERR);
}
mdb_printf("_ii_info_top contains 0x%lx\n", myaddr);
while (myaddr) {
ii_info(myaddr, DCMD_ADDRSPEC, 0, NULL);
myaddr = nextaddr;
}
return (DCMD_OK);
}
/*
* Display general ii module information.
*/
#define ii_get_print(kvar, str, fmt, val) \
if (mdb_readvar(&(val), #kvar) == -1) { \
mdb_dec_indent(4); \
mdb_warn("unable to read '" #kvar "'"); \
return (DCMD_ERR); \
} \
mdb_printf("%-20s" fmt "\n", str ":", val)
/* ARGSUSED */
static int
ii(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
int maj, min, mic, baseline, i;
if (argc != 0)
return (DCMD_USAGE);
if (mdb_readvar(&maj, "dsw_major_rev") == -1) {
mdb_warn("unable to read 'dsw_major_rev'");
return (DCMD_ERR);
}
if (mdb_readvar(&min, "dsw_minor_rev") == -1) {
mdb_warn("unable to read 'dsw_minor_rev'");
return (DCMD_ERR);
}
if (mdb_readvar(&mic, "dsw_micro_rev") == -1) {
mdb_warn("unable to read 'dsw_micro_rev'");
return (DCMD_ERR);
}
if (mdb_readvar(&baseline, "dsw_baseline_rev") == -1) {
mdb_warn("unable to read 'dsw_baseline_rev'");
return (DCMD_ERR);
}
mdb_printf("Point-in-Time Copy module version: kernel %d.%d.%d.%d; "
"mdb %d.%d.%d.%d\n", maj, min, mic, baseline,
ISS_VERSION_MAJ, ISS_VERSION_MIN, ISS_VERSION_MIC, ISS_VERSION_NUM);
mdb_inc_indent(4);
ii_get_print(ii_debug, "debug", "%d", i);
ii_get_print(ii_bitmap, "bitmaps", "%d", i);
mdb_dec_indent(4);
return (DCMD_OK);
}
/*
* MDB module linkage information:
*/
static const mdb_dcmd_t dcmds[] = {
{ "ii", NULL, "display ii module info", ii },
{ "ii_fd", NULL, "display ii_fd structure", ii_fd },
{ "ii_info", NULL, "display ii_info structure", ii_info },
{ "ii_info_all", NULL, "display all ii_info structures", ii_info_all },
{ "ii_info_dev", NULL, "display ii_info_dev structure", ii_info_dev},
{ "ii_overflow", NULL, "display ii_overflow structure", ii_overflow},
{ NULL }
};
static const mdb_walker_t walkers[] = {
{ NULL }
};
static const mdb_modinfo_t modinfo = {
MDB_API_VERSION, dcmds, walkers
};
const mdb_modinfo_t *
_mdb_init(void)
{
return (&modinfo);
}