11bdd6c0eSSue Gleeson /*
21bdd6c0eSSue Gleeson * CDDL HEADER START
31bdd6c0eSSue Gleeson *
41bdd6c0eSSue Gleeson * The contents of this file are subject to the terms of the
51bdd6c0eSSue Gleeson * Common Development and Distribution License (the "License").
61bdd6c0eSSue Gleeson * You may not use this file except in compliance with the License.
71bdd6c0eSSue Gleeson *
81bdd6c0eSSue Gleeson * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
91bdd6c0eSSue Gleeson * or http://www.opensolaris.org/os/licensing.
101bdd6c0eSSue Gleeson * See the License for the specific language governing permissions
111bdd6c0eSSue Gleeson * and limitations under the License.
121bdd6c0eSSue Gleeson *
131bdd6c0eSSue Gleeson * When distributing Covered Code, include this CDDL HEADER in each
141bdd6c0eSSue Gleeson * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
151bdd6c0eSSue Gleeson * If applicable, add the following below this CDDL HEADER, with the
161bdd6c0eSSue Gleeson * fields enclosed by brackets "[]" replaced with your own identifying
171bdd6c0eSSue Gleeson * information: Portions Copyright [yyyy] [name of copyright owner]
181bdd6c0eSSue Gleeson *
191bdd6c0eSSue Gleeson * CDDL HEADER END
201bdd6c0eSSue Gleeson */
211bdd6c0eSSue Gleeson /*
221bdd6c0eSSue Gleeson * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
231bdd6c0eSSue Gleeson * Use is subject to license terms.
241bdd6c0eSSue Gleeson */
251bdd6c0eSSue Gleeson
261bdd6c0eSSue Gleeson #include <sys/dditypes.h>
271bdd6c0eSSue Gleeson #include <sys/mdb_modapi.h>
281bdd6c0eSSue Gleeson #include <sys/modctl.h>
291bdd6c0eSSue Gleeson #include <sys/sunddi.h>
301bdd6c0eSSue Gleeson #include <sys/sysmacros.h>
311bdd6c0eSSue Gleeson #include <sys/lpif.h>
321bdd6c0eSSue Gleeson #include <srp.h>
331bdd6c0eSSue Gleeson #include <srpt_impl.h>
341bdd6c0eSSue Gleeson
351bdd6c0eSSue Gleeson /*
361bdd6c0eSSue Gleeson * byteswap macros since ntohl not available in kernel mdb
371bdd6c0eSSue Gleeson */
381bdd6c0eSSue Gleeson #if defined(_LITTLE_ENDIAN)
391bdd6c0eSSue Gleeson #define SRPT_BSWAP_32(x) (((uint32_t)(x) << 24) | \
401bdd6c0eSSue Gleeson (((uint32_t)(x) << 8) & 0xff0000) | \
411bdd6c0eSSue Gleeson (((uint32_t)(x) >> 8) & 0xff00) | \
421bdd6c0eSSue Gleeson ((uint32_t)(x) >> 24))
431bdd6c0eSSue Gleeson #define SRPT_BSWAP_16(x) ((((x) & 0xff) << 8) | ((x) >> 8))
441bdd6c0eSSue Gleeson #else
451bdd6c0eSSue Gleeson #define SRPT_BSWAP_32(x) (x)
461bdd6c0eSSue Gleeson #define SRPT_BSWAP_16(x) (x)
471bdd6c0eSSue Gleeson #endif /* _LITTLE_ENDIAN */
481bdd6c0eSSue Gleeson
491bdd6c0eSSue Gleeson /*
501bdd6c0eSSue Gleeson * Walker to list the addresses of all the active I/O Controllers
511bdd6c0eSSue Gleeson */
521bdd6c0eSSue Gleeson static int
srpt_ioc_walk_init(mdb_walk_state_t * wsp)531bdd6c0eSSue Gleeson srpt_ioc_walk_init(mdb_walk_state_t *wsp)
541bdd6c0eSSue Gleeson {
551bdd6c0eSSue Gleeson srpt_ctxt_t *srpt;
561bdd6c0eSSue Gleeson uintptr_t srpt_global_addr, list_addr;
571bdd6c0eSSue Gleeson
581bdd6c0eSSue Gleeson if (mdb_readvar(&srpt, "srpt_ctxt") == -1) {
591bdd6c0eSSue Gleeson mdb_warn("failed to read srpt soft state");
601bdd6c0eSSue Gleeson return (WALK_ERR);
611bdd6c0eSSue Gleeson }
621bdd6c0eSSue Gleeson
631bdd6c0eSSue Gleeson srpt_global_addr = (uintptr_t)srpt;
641bdd6c0eSSue Gleeson
651bdd6c0eSSue Gleeson list_addr = srpt_global_addr + offsetof(srpt_ctxt_t, sc_ioc_list);
661bdd6c0eSSue Gleeson
671bdd6c0eSSue Gleeson wsp->walk_addr = list_addr;
681bdd6c0eSSue Gleeson
691bdd6c0eSSue Gleeson if (mdb_layered_walk("list", wsp) == -1) {
701bdd6c0eSSue Gleeson mdb_warn("list walk failed");
711bdd6c0eSSue Gleeson return (WALK_ERR);
721bdd6c0eSSue Gleeson }
731bdd6c0eSSue Gleeson return (WALK_NEXT);
741bdd6c0eSSue Gleeson }
751bdd6c0eSSue Gleeson
761bdd6c0eSSue Gleeson static int
srpt_list_walk_step(mdb_walk_state_t * wsp)771bdd6c0eSSue Gleeson srpt_list_walk_step(mdb_walk_state_t *wsp)
781bdd6c0eSSue Gleeson {
79*892ad162SToomas Soome if (wsp->walk_addr == 0) {
801bdd6c0eSSue Gleeson return (WALK_DONE);
811bdd6c0eSSue Gleeson }
821bdd6c0eSSue Gleeson return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
831bdd6c0eSSue Gleeson wsp->walk_cbdata));
841bdd6c0eSSue Gleeson }
851bdd6c0eSSue Gleeson
861bdd6c0eSSue Gleeson /*
871bdd6c0eSSue Gleeson * Walker to list the target services per I/O Controller. The I/O Controller is
881bdd6c0eSSue Gleeson * provided as input.
891bdd6c0eSSue Gleeson */
901bdd6c0eSSue Gleeson static int
srpt_tgt_walk_init(mdb_walk_state_t * wsp)911bdd6c0eSSue Gleeson srpt_tgt_walk_init(mdb_walk_state_t *wsp)
921bdd6c0eSSue Gleeson {
931bdd6c0eSSue Gleeson srpt_ioc_t srpt_ioc;
941bdd6c0eSSue Gleeson
951bdd6c0eSSue Gleeson /*
961bdd6c0eSSue Gleeson * Input should be a srpt_ioc_t, read it to get the
971bdd6c0eSSue Gleeson * srpt_target_port_t
981bdd6c0eSSue Gleeson */
99*892ad162SToomas Soome if (wsp->walk_addr == 0) {
1001bdd6c0eSSue Gleeson mdb_warn("<srpt_ioc_t addr>::walk srpt_target\n");
1011bdd6c0eSSue Gleeson return (WALK_ERR);
1021bdd6c0eSSue Gleeson }
1031bdd6c0eSSue Gleeson
1041bdd6c0eSSue Gleeson if (mdb_vread(&srpt_ioc, sizeof (srpt_ioc_t), wsp->walk_addr) == -1) {
1051bdd6c0eSSue Gleeson mdb_warn("failed to read in the srpt_ioc\n ");
1061bdd6c0eSSue Gleeson return (WALK_ERR);
1071bdd6c0eSSue Gleeson }
1081bdd6c0eSSue Gleeson
1091bdd6c0eSSue Gleeson wsp->walk_addr = (uintptr_t)srpt_ioc.ioc_tgt_port;
1101bdd6c0eSSue Gleeson wsp->walk_data = mdb_alloc(sizeof (srpt_target_port_t), UM_SLEEP);
1111bdd6c0eSSue Gleeson return (WALK_NEXT);
1121bdd6c0eSSue Gleeson }
1131bdd6c0eSSue Gleeson
1141bdd6c0eSSue Gleeson static int
srpt_tgt_walk_step(mdb_walk_state_t * wsp)1151bdd6c0eSSue Gleeson srpt_tgt_walk_step(mdb_walk_state_t *wsp)
1161bdd6c0eSSue Gleeson {
117*892ad162SToomas Soome if (wsp->walk_addr == 0) {
1181bdd6c0eSSue Gleeson return (WALK_DONE);
1191bdd6c0eSSue Gleeson }
1201bdd6c0eSSue Gleeson
1211bdd6c0eSSue Gleeson (void) wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
1221bdd6c0eSSue Gleeson wsp->walk_cbdata);
1231bdd6c0eSSue Gleeson
1241bdd6c0eSSue Gleeson /* Currently there is only one target per IOC */
1251bdd6c0eSSue Gleeson return (WALK_DONE);
1261bdd6c0eSSue Gleeson
1271bdd6c0eSSue Gleeson }
1281bdd6c0eSSue Gleeson
1291bdd6c0eSSue Gleeson static void
srpt_tgt_walk_fini(mdb_walk_state_t * wsp)1301bdd6c0eSSue Gleeson srpt_tgt_walk_fini(mdb_walk_state_t *wsp)
1311bdd6c0eSSue Gleeson {
1321bdd6c0eSSue Gleeson mdb_free(wsp->walk_data, sizeof (srpt_target_port_t));
1331bdd6c0eSSue Gleeson }
1341bdd6c0eSSue Gleeson
1351bdd6c0eSSue Gleeson /*
1361bdd6c0eSSue Gleeson * Walker to list the channels per SRP target service. The target port is
1371bdd6c0eSSue Gleeson * provided as input.
1381bdd6c0eSSue Gleeson */
1391bdd6c0eSSue Gleeson static int
srpt_channel_walk_init(mdb_walk_state_t * wsp)1401bdd6c0eSSue Gleeson srpt_channel_walk_init(mdb_walk_state_t *wsp)
1411bdd6c0eSSue Gleeson {
1421bdd6c0eSSue Gleeson /*
1431bdd6c0eSSue Gleeson * Input should be a srpt_target_port_t, read it to get the
1441bdd6c0eSSue Gleeson * list of channels
1451bdd6c0eSSue Gleeson */
146*892ad162SToomas Soome if (wsp->walk_addr == 0) {
1471bdd6c0eSSue Gleeson mdb_warn("<srpt_target_port_t addr>::walk srpt_channel\n");
1481bdd6c0eSSue Gleeson return (WALK_ERR);
1491bdd6c0eSSue Gleeson }
1501bdd6c0eSSue Gleeson
1511bdd6c0eSSue Gleeson wsp->walk_addr += offsetof(srpt_target_port_t, tp_ch_list);
1521bdd6c0eSSue Gleeson
1531bdd6c0eSSue Gleeson if (mdb_layered_walk("list", wsp) == -1) {
1541bdd6c0eSSue Gleeson mdb_warn("Could not walk tp_ch_list");
1551bdd6c0eSSue Gleeson return (WALK_ERR);
1561bdd6c0eSSue Gleeson }
1571bdd6c0eSSue Gleeson return (WALK_NEXT);
1581bdd6c0eSSue Gleeson }
1591bdd6c0eSSue Gleeson
1601bdd6c0eSSue Gleeson /*
1611bdd6c0eSSue Gleeson * Walker to list the SCSI sessions per target. The target is
1621bdd6c0eSSue Gleeson * provided as input.
1631bdd6c0eSSue Gleeson */
1641bdd6c0eSSue Gleeson static int
srpt_scsi_session_walk_init(mdb_walk_state_t * wsp)1651bdd6c0eSSue Gleeson srpt_scsi_session_walk_init(mdb_walk_state_t *wsp)
1661bdd6c0eSSue Gleeson {
1671bdd6c0eSSue Gleeson /*
1681bdd6c0eSSue Gleeson * Input should be a srpt_target_port_t, read it to get the
1691bdd6c0eSSue Gleeson * srpt_session_t
1701bdd6c0eSSue Gleeson */
171*892ad162SToomas Soome if (wsp->walk_addr == 0) {
1721bdd6c0eSSue Gleeson mdb_warn("<srpt_target_port_t addr>::walk srpt_scsi_session\n");
1731bdd6c0eSSue Gleeson return (WALK_ERR);
1741bdd6c0eSSue Gleeson }
1751bdd6c0eSSue Gleeson
1761bdd6c0eSSue Gleeson wsp->walk_addr += offsetof(srpt_target_port_t, tp_sess_list);
1771bdd6c0eSSue Gleeson
1781bdd6c0eSSue Gleeson if (mdb_layered_walk("list", wsp) == -1) {
1791bdd6c0eSSue Gleeson mdb_warn("target session list walk failed");
1801bdd6c0eSSue Gleeson return (WALK_ERR);
1811bdd6c0eSSue Gleeson }
1821bdd6c0eSSue Gleeson return (WALK_NEXT);
1831bdd6c0eSSue Gleeson }
1841bdd6c0eSSue Gleeson
1851bdd6c0eSSue Gleeson /*
1861bdd6c0eSSue Gleeson * Walker to list the tasks in a session. The session is
1871bdd6c0eSSue Gleeson * provided as input.
1881bdd6c0eSSue Gleeson */
1891bdd6c0eSSue Gleeson static int
srpt_task_walk_init(mdb_walk_state_t * wsp)1901bdd6c0eSSue Gleeson srpt_task_walk_init(mdb_walk_state_t *wsp)
1911bdd6c0eSSue Gleeson {
192*892ad162SToomas Soome if (wsp->walk_addr == 0) {
1931bdd6c0eSSue Gleeson mdb_warn("<srpt_session_t addr>::walk srpt_tasks\n");
1941bdd6c0eSSue Gleeson return (WALK_ERR);
1951bdd6c0eSSue Gleeson }
1961bdd6c0eSSue Gleeson
1971bdd6c0eSSue Gleeson wsp->walk_addr += offsetof(srpt_session_t, ss_task_list);
1981bdd6c0eSSue Gleeson
1991bdd6c0eSSue Gleeson if (mdb_layered_walk("list", wsp) == -1) {
2001bdd6c0eSSue Gleeson mdb_warn("session task list walk failed");
2011bdd6c0eSSue Gleeson return (WALK_ERR);
2021bdd6c0eSSue Gleeson }
2031bdd6c0eSSue Gleeson return (WALK_NEXT);
2041bdd6c0eSSue Gleeson }
2051bdd6c0eSSue Gleeson
2061bdd6c0eSSue Gleeson /* ARGSUSED */
2071bdd6c0eSSue Gleeson static int
srpt_print_ioc(uintptr_t addr,uint_t flags,int argc,const mdb_arg_t * argv)2081bdd6c0eSSue Gleeson srpt_print_ioc(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
2091bdd6c0eSSue Gleeson {
2101bdd6c0eSSue Gleeson srpt_ioc_t ioc;
2111bdd6c0eSSue Gleeson char mask[9];
2121bdd6c0eSSue Gleeson int i;
2131bdd6c0eSSue Gleeson
214*892ad162SToomas Soome if (addr == 0) {
2151bdd6c0eSSue Gleeson mdb_warn("address of srpt_ioc should be specified\n");
2161bdd6c0eSSue Gleeson return (DCMD_ERR);
2171bdd6c0eSSue Gleeson }
2181bdd6c0eSSue Gleeson
2191bdd6c0eSSue Gleeson if (mdb_vread(&ioc, sizeof (srpt_ioc_t), addr) == -1) {
2201bdd6c0eSSue Gleeson mdb_warn("failed to read srpt_ioc at %p", addr);
2211bdd6c0eSSue Gleeson return (DCMD_ERR);
2221bdd6c0eSSue Gleeson }
2231bdd6c0eSSue Gleeson
2241bdd6c0eSSue Gleeson mdb_printf("IOC %p\n", addr);
2251bdd6c0eSSue Gleeson mdb_printf(" guid: %x\n", ioc.ioc_guid);
2261bdd6c0eSSue Gleeson mdb_printf(" target port: %p\n", ioc.ioc_tgt_port);
2271bdd6c0eSSue Gleeson mdb_printf(" srq handle: %p\n", ioc.ioc_srq_hdl);
2281bdd6c0eSSue Gleeson mdb_printf(" current srq size: %u\n", ioc.ioc_num_iu_entries);
2291bdd6c0eSSue Gleeson mdb_printf(" max srq size: %d\n", ioc.ioc_srq_attr.srq_wr_sz);
2301bdd6c0eSSue Gleeson mdb_printf(" iu pool: %p\n", ioc.ioc_iu_pool);
2311bdd6c0eSSue Gleeson mdb_printf(" profile send qdepth: %d\n",
2321bdd6c0eSSue Gleeson SRPT_BSWAP_16(ioc.ioc_profile.ioc_send_msg_qdepth));
2331bdd6c0eSSue Gleeson mdb_printf(" profile rmda read qdepth: %d\n",
2341bdd6c0eSSue Gleeson ioc.ioc_profile.ioc_rdma_read_qdepth);
2351bdd6c0eSSue Gleeson mdb_printf(" profile send msg size: %d\n",
2361bdd6c0eSSue Gleeson SRPT_BSWAP_32(ioc.ioc_profile.ioc_send_msg_sz));
2371bdd6c0eSSue Gleeson mdb_printf(" profile rmda xfer size: %d\n",
2381bdd6c0eSSue Gleeson SRPT_BSWAP_32(ioc.ioc_profile.ioc_rdma_xfer_sz));
2391bdd6c0eSSue Gleeson for (i = 0; i < 8; i++) {
2401bdd6c0eSSue Gleeson if (ioc.ioc_profile.ioc_ctrl_opcap_mask & 1<<i) {
2411bdd6c0eSSue Gleeson mask[i] = 'x';
2421bdd6c0eSSue Gleeson } else {
2431bdd6c0eSSue Gleeson mask[i] = '-';
2441bdd6c0eSSue Gleeson }
2451bdd6c0eSSue Gleeson }
2461bdd6c0eSSue Gleeson mask[i] = '\0';
2471bdd6c0eSSue Gleeson mdb_printf(" profile opcap mask: %s\n", mask);
2481bdd6c0eSSue Gleeson
2491bdd6c0eSSue Gleeson return (DCMD_OK);
2501bdd6c0eSSue Gleeson }
2511bdd6c0eSSue Gleeson
2521bdd6c0eSSue Gleeson static const mdb_dcmd_t dcmds[] = {
2531bdd6c0eSSue Gleeson { "srpt_print_ioc", ":", "Print information about an SRPT IOC",
2541bdd6c0eSSue Gleeson srpt_print_ioc, NULL},
2551bdd6c0eSSue Gleeson { NULL }
2561bdd6c0eSSue Gleeson };
2571bdd6c0eSSue Gleeson
2581bdd6c0eSSue Gleeson static const mdb_walker_t walkers[] = {
2591bdd6c0eSSue Gleeson { "srpt_ioc", "Walk active IO controllers",
2601bdd6c0eSSue Gleeson srpt_ioc_walk_init, srpt_list_walk_step, NULL},
2611bdd6c0eSSue Gleeson { "srpt_tgt", "Walk the targets",
2621bdd6c0eSSue Gleeson srpt_tgt_walk_init, srpt_tgt_walk_step, srpt_tgt_walk_fini},
2631bdd6c0eSSue Gleeson { "srpt_channel", "Walk the channels",
2641bdd6c0eSSue Gleeson srpt_channel_walk_init, srpt_list_walk_step, NULL},
2651bdd6c0eSSue Gleeson { "srpt_scsi_session", "Walk the scsi sessions",
2661bdd6c0eSSue Gleeson srpt_scsi_session_walk_init, srpt_list_walk_step, NULL},
2671bdd6c0eSSue Gleeson { "srpt_tasks", "Walk the tasks in a scsi session",
2681bdd6c0eSSue Gleeson srpt_task_walk_init, srpt_list_walk_step, NULL},
2691bdd6c0eSSue Gleeson { NULL }
2701bdd6c0eSSue Gleeson };
2711bdd6c0eSSue Gleeson
2721bdd6c0eSSue Gleeson static const mdb_modinfo_t modinfo = {
2731bdd6c0eSSue Gleeson MDB_API_VERSION, dcmds, walkers
2741bdd6c0eSSue Gleeson };
2751bdd6c0eSSue Gleeson
2761bdd6c0eSSue Gleeson const mdb_modinfo_t *
_mdb_init(void)2771bdd6c0eSSue Gleeson _mdb_init(void)
2781bdd6c0eSSue Gleeson {
2791bdd6c0eSSue Gleeson return (&modinfo);
2801bdd6c0eSSue Gleeson }
281