/* * 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 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * ibdm.c * * This file contains the InifiniBand Device Manager (IBDM) support functions. * IB nexus driver will only be the client for the IBDM module. * * IBDM registers with IBTF for HCA arrival/removal notification. * IBDM registers with SA access to send DM MADs to discover the IOC's behind * the IOU's. * * IB nexus driver registers with IBDM to find the information about the * HCA's and IOC's (behind the IOU) present on the IB fabric. */ #include #include #include #include #include /* Function Prototype declarations */ static int ibdm_free_iou_info(ibdm_dp_gidinfo_t *, ibdm_iou_info_t **); static int ibdm_fini(void); static int ibdm_init(void); static int ibdm_get_reachable_ports(ibdm_port_attr_t *, ibdm_hca_list_t *); static ibdm_dp_gidinfo_t *ibdm_check_dgid(ib_guid_t, ib_sn_prefix_t); static ibdm_dp_gidinfo_t *ibdm_check_dest_nodeguid(ibdm_dp_gidinfo_t *); static boolean_t ibdm_is_cisco(ib_guid_t); static boolean_t ibdm_is_cisco_switch(ibdm_dp_gidinfo_t *); static void ibdm_wait_cisco_probe_completion(ibdm_dp_gidinfo_t *); static int ibdm_set_classportinfo(ibdm_dp_gidinfo_t *); static int ibdm_send_classportinfo(ibdm_dp_gidinfo_t *); static int ibdm_send_iounitinfo(ibdm_dp_gidinfo_t *); static int ibdm_is_dev_mgt_supported(ibdm_dp_gidinfo_t *); static int ibdm_get_node_port_guids(ibmf_saa_handle_t, ib_lid_t, ib_guid_t *, ib_guid_t *); static int ibdm_retry_command(ibdm_timeout_cb_args_t *); static int ibdm_get_diagcode(ibdm_dp_gidinfo_t *, int); static int ibdm_verify_mad_status(ib_mad_hdr_t *); static int ibdm_handle_redirection(ibmf_msg_t *, ibdm_dp_gidinfo_t *, int *); static void ibdm_wait_probe_completion(void); static void ibdm_sweep_fabric(int); static void ibdm_probe_gid_thread(void *); static void ibdm_wakeup_probe_gid_cv(void); static void ibdm_port_attr_ibmf_init(ibdm_port_attr_t *, ib_pkey_t, int); static int ibdm_port_attr_ibmf_fini(ibdm_port_attr_t *, int); static void ibdm_update_port_attr(ibdm_port_attr_t *); static void ibdm_handle_hca_attach(ib_guid_t); static void ibdm_handle_srventry_mad(ibmf_msg_t *, ibdm_dp_gidinfo_t *, int *); static void ibdm_ibmf_recv_cb(ibmf_handle_t, ibmf_msg_t *, void *); static void ibdm_recv_incoming_mad(void *); static void ibdm_process_incoming_mad(ibmf_handle_t, ibmf_msg_t *, void *); static void ibdm_ibmf_send_cb(ibmf_handle_t, ibmf_msg_t *, void *); static void ibdm_pkt_timeout_hdlr(void *arg); static void ibdm_initialize_port(ibdm_port_attr_t *); static void ibdm_handle_diagcode(ibmf_msg_t *, ibdm_dp_gidinfo_t *, int *); static void ibdm_probe_gid(ibdm_dp_gidinfo_t *); static void ibdm_alloc_send_buffers(ibmf_msg_t *); static void ibdm_free_send_buffers(ibmf_msg_t *); static void ibdm_handle_hca_detach(ib_guid_t); static int ibdm_fini_port(ibdm_port_attr_t *); static int ibdm_uninit_hca(ibdm_hca_list_t *); static void ibdm_handle_setclassportinfo(ibmf_handle_t, ibmf_msg_t *, ibdm_dp_gidinfo_t *, int *); static void ibdm_handle_iounitinfo(ibmf_handle_t, ibmf_msg_t *, ibdm_dp_gidinfo_t *, int *); static void ibdm_handle_ioc_profile(ibmf_handle_t, ibmf_msg_t *, ibdm_dp_gidinfo_t *, int *); static void ibdm_event_hdlr(void *, ibt_hca_hdl_t, ibt_async_code_t, ibt_async_event_t *); static void ibdm_handle_classportinfo(ibmf_handle_t, ibmf_msg_t *, ibdm_dp_gidinfo_t *, int *); static void ibdm_update_ioc_port_gidlist(ibdm_ioc_info_t *, ibdm_dp_gidinfo_t *); static ibdm_hca_list_t *ibdm_dup_hca_attr(ibdm_hca_list_t *); static ibdm_ioc_info_t *ibdm_dup_ioc_info(ibdm_ioc_info_t *, ibdm_dp_gidinfo_t *gid_list); static void ibdm_probe_ioc(ib_guid_t, ib_guid_t, int); static ibdm_ioc_info_t *ibdm_is_ioc_present(ib_guid_t, ibdm_dp_gidinfo_t *, int *); static ibdm_port_attr_t *ibdm_get_port_attr(ibt_async_event_t *, ibdm_hca_list_t **); static sa_node_record_t *ibdm_get_node_records(ibmf_saa_handle_t, size_t *, ib_guid_t); static int ibdm_get_node_record_by_port(ibmf_saa_handle_t, ib_guid_t, sa_node_record_t **, size_t *); static sa_portinfo_record_t *ibdm_get_portinfo(ibmf_saa_handle_t, size_t *, ib_lid_t); static ibdm_dp_gidinfo_t *ibdm_create_gid_info(ibdm_port_attr_t *, ib_gid_t, ib_gid_t); static ibdm_dp_gidinfo_t *ibdm_find_gid(ib_guid_t, ib_guid_t); static int ibdm_send_ioc_profile(ibdm_dp_gidinfo_t *, uint8_t); static ibdm_ioc_info_t *ibdm_update_ioc_gidlist(ibdm_dp_gidinfo_t *, int); static void ibdm_saa_event_cb(ibmf_saa_handle_t, ibmf_saa_subnet_event_t, ibmf_saa_event_details_t *, void *); static void ibdm_reprobe_update_port_srv(ibdm_ioc_info_t *, ibdm_dp_gidinfo_t *); static ibdm_dp_gidinfo_t *ibdm_handle_gid_rm(ibdm_dp_gidinfo_t *); static void ibdm_rmfrom_glgid_list(ibdm_dp_gidinfo_t *, ibdm_dp_gidinfo_t *); static void ibdm_addto_gidlist(ibdm_gid_t **, ibdm_gid_t *); static void ibdm_free_gid_list(ibdm_gid_t *); static void ibdm_rescan_gidlist(ib_guid_t *ioc_guid); static void ibdm_notify_newgid_iocs(ibdm_dp_gidinfo_t *); static void ibdm_saa_event_taskq(void *); static void ibdm_free_saa_event_arg(ibdm_saa_event_arg_t *); static void ibdm_get_next_port(ibdm_hca_list_t **, ibdm_port_attr_t **, int); static void ibdm_add_to_gl_gid(ibdm_dp_gidinfo_t *, ibdm_dp_gidinfo_t *); static void ibdm_addto_glhcalist(ibdm_dp_gidinfo_t *, ibdm_hca_list_t *); static void ibdm_delete_glhca_list(ibdm_dp_gidinfo_t *); static void ibdm_saa_handle_new_gid(void *); static void ibdm_reset_all_dgids(ibmf_saa_handle_t); static void ibdm_reset_gidinfo(ibdm_dp_gidinfo_t *); static void ibdm_delete_gidinfo(ibdm_dp_gidinfo_t *); static void ibdm_fill_srv_attr_mod(ib_mad_hdr_t *, ibdm_timeout_cb_args_t *); static void ibdm_bump_transactionID(ibdm_dp_gidinfo_t *); static ibdm_ioc_info_t *ibdm_handle_prev_iou(); static int ibdm_serv_cmp(ibdm_srvents_info_t *, ibdm_srvents_info_t *, int); static ibdm_ioc_info_t *ibdm_get_ioc_info_with_gid(ib_guid_t, ibdm_dp_gidinfo_t **); int ibdm_dft_timeout = IBDM_DFT_TIMEOUT; int ibdm_dft_retry_cnt = IBDM_DFT_NRETRIES; #ifdef DEBUG int ibdm_ignore_saa_event = 0; #endif /* Modload support */ static struct modlmisc ibdm_modlmisc = { &mod_miscops, "InfiniBand Device Manager" }; struct modlinkage ibdm_modlinkage = { MODREV_1, (void *)&ibdm_modlmisc, NULL }; static ibt_clnt_modinfo_t ibdm_ibt_modinfo = { IBTI_V_CURR, IBT_DM, ibdm_event_hdlr, NULL, "ibdm" }; /* Global variables */ ibdm_t ibdm; int ibdm_taskq_enable = IBDM_ENABLE_TASKQ_HANDLING; char *ibdm_string = "ibdm"; _NOTE(SCHEME_PROTECTS_DATA("Serialized access by cv", ibdm.ibdm_dp_gidlist_head)) /* * _init * Loadable module init, called before any other module. * Initialize mutex * Register with IBTF */ int _init(void) { int err; IBTF_DPRINTF_L4("ibdm", "\t_init: addr of ibdm %p", &ibdm); if ((err = ibdm_init()) != IBDM_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "_init: ibdm_init failed 0x%x", err); (void) ibdm_fini(); return (DDI_FAILURE); } if ((err = mod_install(&ibdm_modlinkage)) != 0) { IBTF_DPRINTF_L2("ibdm", "_init: mod_install failed 0x%x", err); (void) ibdm_fini(); } return (err); } int _fini(void) { int err; if ((err = ibdm_fini()) != IBDM_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "_fini: ibdm_fini failed 0x%x", err); (void) ibdm_init(); return (EBUSY); } if ((err = mod_remove(&ibdm_modlinkage)) != 0) { IBTF_DPRINTF_L2("ibdm", "_fini: mod_remove failed 0x%x", err); (void) ibdm_init(); } return (err); } int _info(struct modinfo *modinfop) { return (mod_info(&ibdm_modlinkage, modinfop)); } /* * ibdm_init(): * Register with IBTF * Allocate memory for the HCAs * Allocate minor-nodes for the HCAs */ static int ibdm_init(void) { int i, hca_count; ib_guid_t *hca_guids; ibt_status_t status; IBTF_DPRINTF_L4("ibdm", "\tibdm_init:"); if (!(ibdm.ibdm_state & IBDM_LOCKS_ALLOCED)) { mutex_init(&ibdm.ibdm_mutex, NULL, MUTEX_DEFAULT, NULL); mutex_init(&ibdm.ibdm_hl_mutex, NULL, MUTEX_DEFAULT, NULL); mutex_init(&ibdm.ibdm_ibnex_mutex, NULL, MUTEX_DEFAULT, NULL); cv_init(&ibdm.ibdm_port_settle_cv, NULL, CV_DRIVER, NULL); mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_state |= IBDM_LOCKS_ALLOCED; } if (!(ibdm.ibdm_state & IBDM_IBT_ATTACHED)) { if ((status = ibt_attach(&ibdm_ibt_modinfo, NULL, NULL, (void *)&ibdm.ibdm_ibt_clnt_hdl)) != IBT_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "ibdm_init: ibt_attach " "failed %x", status); mutex_exit(&ibdm.ibdm_mutex); return (IBDM_FAILURE); } ibdm.ibdm_state |= IBDM_IBT_ATTACHED; mutex_exit(&ibdm.ibdm_mutex); } if (!(ibdm.ibdm_state & IBDM_HCA_ATTACHED)) { hca_count = ibt_get_hca_list(&hca_guids); IBTF_DPRINTF_L4("ibdm", "ibdm_init: num_hcas = %d", hca_count); for (i = 0; i < hca_count; i++) (void) ibdm_handle_hca_attach(hca_guids[i]); if (hca_count) ibt_free_hca_list(hca_guids, hca_count); mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_state |= IBDM_HCA_ATTACHED; mutex_exit(&ibdm.ibdm_mutex); } if (!(ibdm.ibdm_state & IBDM_CVS_ALLOCED)) { cv_init(&ibdm.ibdm_probe_cv, NULL, CV_DRIVER, NULL); cv_init(&ibdm.ibdm_busy_cv, NULL, CV_DRIVER, NULL); mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_state |= IBDM_CVS_ALLOCED; mutex_exit(&ibdm.ibdm_mutex); } return (IBDM_SUCCESS); } static int ibdm_free_iou_info(ibdm_dp_gidinfo_t *gid_info, ibdm_iou_info_t **ioup) { int ii, k, niocs; size_t size; ibdm_gid_t *delete, *head; timeout_id_t timeout_id; ibdm_ioc_info_t *ioc; ibdm_iou_info_t *gl_iou = *ioup; ASSERT(mutex_owned(&gid_info->gl_mutex)); if (gl_iou == NULL) { IBTF_DPRINTF_L4("ibdm", "\tibdm_free_iou_info: No IOU"); return (0); } niocs = gl_iou->iou_info.iou_num_ctrl_slots; IBTF_DPRINTF_L4("ibdm", "\tfree_iou_info: gid_info = %p, niocs %d", gid_info, niocs); for (ii = 0; ii < niocs; ii++) { ioc = (ibdm_ioc_info_t *)&gl_iou->iou_ioc_info[ii]; /* handle the case where an ioc_timeout_id is scheduled */ if (ioc->ioc_timeout_id) { timeout_id = ioc->ioc_timeout_id; ioc->ioc_timeout_id = 0; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "free_iou_info: " "ioc_timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "free_iou_info: " "untimeout ioc_timeout_id failed"); mutex_enter(&gid_info->gl_mutex); return (-1); } mutex_enter(&gid_info->gl_mutex); } /* handle the case where an ioc_dc_timeout_id is scheduled */ if (ioc->ioc_dc_timeout_id) { timeout_id = ioc->ioc_dc_timeout_id; ioc->ioc_dc_timeout_id = 0; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "free_iou_info: " "ioc_dc_timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "free_iou_info: " "untimeout ioc_dc_timeout_id failed"); mutex_enter(&gid_info->gl_mutex); return (-1); } mutex_enter(&gid_info->gl_mutex); } /* handle the case where serv[k].se_timeout_id is scheduled */ for (k = 0; k < ioc->ioc_profile.ioc_service_entries; k++) { if (ioc->ioc_serv[k].se_timeout_id) { timeout_id = ioc->ioc_serv[k].se_timeout_id; ioc->ioc_serv[k].se_timeout_id = 0; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "free_iou_info: " "ioc->ioc_serv[%d].se_timeout_id = 0x%x", k, timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "free_iou_info:" " untimeout se_timeout_id failed"); mutex_enter(&gid_info->gl_mutex); return (-1); } mutex_enter(&gid_info->gl_mutex); } } /* delete GID list in IOC */ head = ioc->ioc_gid_list; while (head) { IBTF_DPRINTF_L4("ibdm", "\tibdm_free_iou_info: " "Deleting gid_list struct %p", head); delete = head; head = head->gid_next; kmem_free(delete, sizeof (ibdm_gid_t)); } ioc->ioc_gid_list = NULL; /* delete ioc_serv */ size = ioc->ioc_profile.ioc_service_entries * sizeof (ibdm_srvents_info_t); if (ioc->ioc_serv && size) { kmem_free(ioc->ioc_serv, size); ioc->ioc_serv = NULL; } } /* * Clear the IBDM_CISCO_PROBE_DONE flag to get the IO Unit information * via the switch during the probe process. */ gid_info->gl_flag &= ~IBDM_CISCO_PROBE_DONE; IBTF_DPRINTF_L4("ibdm", "\tibdm_free_iou_info: deleting IOU & IOC"); size = sizeof (ibdm_iou_info_t) + niocs * sizeof (ibdm_ioc_info_t); kmem_free(gl_iou, size); *ioup = NULL; return (0); } /* * ibdm_fini(): * Un-register with IBTF * De allocate memory for the GID info */ static int ibdm_fini() { int ii; ibdm_hca_list_t *hca_list, *temp; ibdm_dp_gidinfo_t *gid_info, *tmp; ibdm_gid_t *head, *delete; IBTF_DPRINTF_L4("ibdm", "\tibdm_fini"); mutex_enter(&ibdm.ibdm_hl_mutex); if (ibdm.ibdm_state & IBDM_IBT_ATTACHED) { if (ibt_detach(ibdm.ibdm_ibt_clnt_hdl) != IBT_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\t_fini: ibt_detach failed"); mutex_exit(&ibdm.ibdm_hl_mutex); return (IBDM_FAILURE); } ibdm.ibdm_state &= ~IBDM_IBT_ATTACHED; ibdm.ibdm_ibt_clnt_hdl = NULL; } hca_list = ibdm.ibdm_hca_list_head; IBTF_DPRINTF_L4("ibdm", "\tibdm_fini: nhcas %d", ibdm.ibdm_hca_count); for (ii = 0; ii < ibdm.ibdm_hca_count; ii++) { temp = hca_list; hca_list = hca_list->hl_next; IBTF_DPRINTF_L4("ibdm", "\tibdm_fini: hca %p", temp); if (ibdm_uninit_hca(temp) != IBDM_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tibdm_fini: " "uninit_hca %p failed", temp); mutex_exit(&ibdm.ibdm_hl_mutex); return (IBDM_FAILURE); } } mutex_exit(&ibdm.ibdm_hl_mutex); mutex_enter(&ibdm.ibdm_mutex); if (ibdm.ibdm_state & IBDM_HCA_ATTACHED) ibdm.ibdm_state &= ~IBDM_HCA_ATTACHED; gid_info = ibdm.ibdm_dp_gidlist_head; while (gid_info) { mutex_enter(&gid_info->gl_mutex); (void) ibdm_free_iou_info(gid_info, &gid_info->gl_iou); mutex_exit(&gid_info->gl_mutex); ibdm_delete_glhca_list(gid_info); tmp = gid_info; gid_info = gid_info->gl_next; mutex_destroy(&tmp->gl_mutex); head = tmp->gl_gid; while (head) { IBTF_DPRINTF_L4("ibdm", "\tibdm_fini: Deleting gid structs"); delete = head; head = head->gid_next; kmem_free(delete, sizeof (ibdm_gid_t)); } kmem_free(tmp, sizeof (ibdm_dp_gidinfo_t)); } mutex_exit(&ibdm.ibdm_mutex); if (ibdm.ibdm_state & IBDM_LOCKS_ALLOCED) { ibdm.ibdm_state &= ~IBDM_LOCKS_ALLOCED; mutex_destroy(&ibdm.ibdm_mutex); mutex_destroy(&ibdm.ibdm_hl_mutex); mutex_destroy(&ibdm.ibdm_ibnex_mutex); cv_destroy(&ibdm.ibdm_port_settle_cv); } if (ibdm.ibdm_state & IBDM_CVS_ALLOCED) { ibdm.ibdm_state &= ~IBDM_CVS_ALLOCED; cv_destroy(&ibdm.ibdm_probe_cv); cv_destroy(&ibdm.ibdm_busy_cv); } return (IBDM_SUCCESS); } /* * ibdm_event_hdlr() * * IBDM registers this asynchronous event handler at the time of * ibt_attach. IBDM support the following async events. For other * event, simply returns success. * IBT_HCA_ATTACH_EVENT: * Retrieves the information about all the port that are * present on this HCA, allocates the port attributes * structure and calls IB nexus callback routine with * the port attributes structure as an input argument. * IBT_HCA_DETACH_EVENT: * Retrieves the information about all the ports that are * present on this HCA and calls IB nexus callback with * port guid as an argument * IBT_EVENT_PORT_UP: * Register with IBMF and SA access * Setup IBMF receive callback routine * IBT_EVENT_PORT_DOWN: * Un-Register with IBMF and SA access * Teardown IBMF receive callback routine */ /*ARGSUSED*/ static void ibdm_event_hdlr(void *clnt_hdl, ibt_hca_hdl_t hca_hdl, ibt_async_code_t code, ibt_async_event_t *event) { ibdm_hca_list_t *hca_list; ibdm_port_attr_t *port; ibmf_saa_handle_t port_sa_hdl; IBTF_DPRINTF_L4("ibdm", "\tevent_hdlr: async code 0x%x", code); switch (code) { case IBT_HCA_ATTACH_EVENT: /* New HCA registered with IBTF */ ibdm_handle_hca_attach(event->ev_hca_guid); break; case IBT_HCA_DETACH_EVENT: /* HCA unregistered with IBTF */ ibdm_handle_hca_detach(event->ev_hca_guid); mutex_enter(&ibdm.ibdm_ibnex_mutex); if (ibdm.ibdm_ibnex_callback != NULL) { (*ibdm.ibdm_ibnex_callback)((void *) &event->ev_hca_guid, IBDM_EVENT_HCA_REMOVED); } mutex_exit(&ibdm.ibdm_ibnex_mutex); break; case IBT_EVENT_PORT_UP: IBTF_DPRINTF_L4("ibdm", "\tevent_hdlr: PORT_UP"); mutex_enter(&ibdm.ibdm_hl_mutex); port = ibdm_get_port_attr(event, &hca_list); if (port == NULL) { IBTF_DPRINTF_L2("ibdm", "\tevent_hdlr: HCA not present"); mutex_exit(&ibdm.ibdm_hl_mutex); break; } ibdm_initialize_port(port); hca_list->hl_nports_active++; cv_broadcast(&ibdm.ibdm_port_settle_cv); mutex_exit(&ibdm.ibdm_hl_mutex); break; case IBT_ERROR_PORT_DOWN: IBTF_DPRINTF_L4("ibdm", "\tevent_hdlr: PORT_DOWN"); mutex_enter(&ibdm.ibdm_hl_mutex); port = ibdm_get_port_attr(event, &hca_list); if (port == NULL) { IBTF_DPRINTF_L2("ibdm", "\tevent_hdlr: HCA not present"); mutex_exit(&ibdm.ibdm_hl_mutex); break; } hca_list->hl_nports_active--; port_sa_hdl = port->pa_sa_hdl; (void) ibdm_fini_port(port); port->pa_state = IBT_PORT_DOWN; cv_broadcast(&ibdm.ibdm_port_settle_cv); mutex_exit(&ibdm.ibdm_hl_mutex); ibdm_reset_all_dgids(port_sa_hdl); break; default: /* Ignore all other events/errors */ break; } } /* * ibdm_initialize_port() * Register with IBMF * Register with SA access * Register a receive callback routine with IBMF. IBMF invokes * this routine whenever a MAD arrives at this port. * Update the port attributes */ static void ibdm_initialize_port(ibdm_port_attr_t *port) { int ii; uint_t nports, size; uint_t pkey_idx; ib_pkey_t pkey; ibt_hca_portinfo_t *pinfop; ibmf_register_info_t ibmf_reg; ibmf_saa_subnet_event_args_t event_args; IBTF_DPRINTF_L4("ibdm", "\tinitialize_port:"); ASSERT(MUTEX_HELD(&ibdm.ibdm_hl_mutex)); /* Check whether the port is active */ if (ibt_get_port_state(port->pa_hca_hdl, port->pa_port_num, NULL, NULL) != IBT_SUCCESS) return; if (port->pa_sa_hdl != NULL) return; if (ibt_query_hca_ports(port->pa_hca_hdl, port->pa_port_num, &pinfop, &nports, &size) != IBT_SUCCESS) { /* This should not occur */ port->pa_npkeys = 0; port->pa_pkey_tbl = NULL; return; } port->pa_sn_prefix = pinfop->p_sgid_tbl[0].gid_prefix; port->pa_state = pinfop->p_linkstate; port->pa_npkeys = pinfop->p_pkey_tbl_sz; port->pa_pkey_tbl = (ibdm_pkey_tbl_t *)kmem_zalloc( port->pa_npkeys * sizeof (ibdm_pkey_tbl_t), KM_SLEEP); for (pkey_idx = 0; pkey_idx < port->pa_npkeys; pkey_idx++) port->pa_pkey_tbl[pkey_idx].pt_pkey = pinfop->p_pkey_tbl[pkey_idx]; ibt_free_portinfo(pinfop, size); event_args.is_event_callback = ibdm_saa_event_cb; event_args.is_event_callback_arg = port; if (ibmf_sa_session_open(port->pa_port_guid, 0, &event_args, IBMF_VERSION, 0, &port->pa_sa_hdl) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tinitialize_port: " "sa access registration failed"); return; } ibmf_reg.ir_ci_guid = port->pa_hca_guid; ibmf_reg.ir_port_num = port->pa_port_num; ibmf_reg.ir_client_class = DEV_MGT_MANAGER; if (ibmf_register(&ibmf_reg, IBMF_VERSION, 0, NULL, NULL, &port->pa_ibmf_hdl, &port->pa_ibmf_caps) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tinitialize_port: " "IBMF registration failed"); (void) ibdm_fini_port(port); return; } if (ibmf_setup_async_cb(port->pa_ibmf_hdl, IBMF_QP_HANDLE_DEFAULT, ibdm_ibmf_recv_cb, 0, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tinitialize_port: " "IBMF setup recv cb failed"); (void) ibdm_fini_port(port); return; } for (ii = 0; ii < port->pa_npkeys; ii++) { pkey = port->pa_pkey_tbl[ii].pt_pkey; if (IBDM_INVALID_PKEY(pkey)) { port->pa_pkey_tbl[ii].pt_qp_hdl = NULL; continue; } ibdm_port_attr_ibmf_init(port, pkey, ii); } } /* * ibdm_port_attr_ibmf_init: * With IBMF - Alloc QP Handle and Setup Async callback */ static void ibdm_port_attr_ibmf_init(ibdm_port_attr_t *port, ib_pkey_t pkey, int ii) { int ret; if ((ret = ibmf_alloc_qp(port->pa_ibmf_hdl, pkey, IB_GSI_QKEY, IBMF_ALT_QP_MAD_NO_RMPP, &port->pa_pkey_tbl[ii].pt_qp_hdl)) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tport_attr_ibmf_init: " "IBMF failed to alloc qp %d", ret); port->pa_pkey_tbl[ii].pt_qp_hdl = NULL; return; } IBTF_DPRINTF_L4("ibdm", "\tport_attr_ibmf_init: QP handle is %p", port->pa_ibmf_hdl); if ((ret = ibmf_setup_async_cb(port->pa_ibmf_hdl, port->pa_pkey_tbl[ii].pt_qp_hdl, ibdm_ibmf_recv_cb, 0, 0)) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tport_attr_ibmf_init: " "IBMF setup recv cb failed %d", ret); (void) ibmf_free_qp(port->pa_ibmf_hdl, &port->pa_pkey_tbl[ii].pt_qp_hdl, 0); port->pa_pkey_tbl[ii].pt_qp_hdl = NULL; } } /* * ibdm_get_port_attr() * Get port attributes from HCA guid and port number * Return pointer to ibdm_port_attr_t on Success * and NULL on failure */ static ibdm_port_attr_t * ibdm_get_port_attr(ibt_async_event_t *event, ibdm_hca_list_t **retval) { ibdm_hca_list_t *hca_list; ibdm_port_attr_t *port_attr; int ii; IBTF_DPRINTF_L4("ibdm", "\tget_port_attr: port# %d", event->ev_port); ASSERT(MUTEX_HELD(&ibdm.ibdm_hl_mutex)); hca_list = ibdm.ibdm_hca_list_head; while (hca_list) { if (hca_list->hl_hca_guid == event->ev_hca_guid) { for (ii = 0; ii < hca_list->hl_nports; ii++) { port_attr = &hca_list->hl_port_attr[ii]; if (port_attr->pa_port_num == event->ev_port) { *retval = hca_list; return (port_attr); } } } hca_list = hca_list->hl_next; } return (NULL); } /* * ibdm_update_port_attr() * Update the port attributes */ static void ibdm_update_port_attr(ibdm_port_attr_t *port) { uint_t nports, size; uint_t pkey_idx; ibt_hca_portinfo_t *portinfop; IBTF_DPRINTF_L4("ibdm", "\tupdate_port_attr: Begin"); if (ibt_query_hca_ports(port->pa_hca_hdl, port->pa_port_num, &portinfop, &nports, &size) != IBT_SUCCESS) { /* This should not occur */ port->pa_npkeys = 0; port->pa_pkey_tbl = NULL; return; } port->pa_sn_prefix = portinfop->p_sgid_tbl[0].gid_prefix; port->pa_state = portinfop->p_linkstate; /* * PKey information in portinfo valid only if port is * ACTIVE. Bail out if not. */ if (port->pa_state != IBT_PORT_ACTIVE) { port->pa_npkeys = 0; port->pa_pkey_tbl = NULL; ibt_free_portinfo(portinfop, size); return; } port->pa_npkeys = portinfop->p_pkey_tbl_sz; port->pa_pkey_tbl = (ibdm_pkey_tbl_t *)kmem_zalloc( port->pa_npkeys * sizeof (ibdm_pkey_tbl_t), KM_SLEEP); for (pkey_idx = 0; pkey_idx < port->pa_npkeys; pkey_idx++) { port->pa_pkey_tbl[pkey_idx].pt_pkey = portinfop->p_pkey_tbl[pkey_idx]; } ibt_free_portinfo(portinfop, size); } /* * ibdm_handle_hca_attach() */ static void ibdm_handle_hca_attach(ib_guid_t hca_guid) { uint_t size; uint_t ii, nports; ibt_status_t status; ibt_hca_hdl_t hca_hdl; ibt_hca_attr_t *hca_attr; ibdm_hca_list_t *hca_list, *temp; ibdm_port_attr_t *port_attr; ibt_hca_portinfo_t *portinfop; IBTF_DPRINTF_L4("ibdm", "\thandle_hca_attach: hca_guid = 0x%llX", hca_guid); /* open the HCA first */ if ((status = ibt_open_hca(ibdm.ibdm_ibt_clnt_hdl, hca_guid, &hca_hdl)) != IBT_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\thandle_hca_attach: " "open_hca failed, status 0x%x", status); return; } hca_attr = (ibt_hca_attr_t *) kmem_alloc(sizeof (ibt_hca_attr_t), KM_SLEEP); /* ibt_query_hca always returns IBT_SUCCESS */ (void) ibt_query_hca(hca_hdl, hca_attr); IBTF_DPRINTF_L4("ibdm", "\tvid: 0x%x, pid: 0x%x, ver: 0x%x," " #ports: %d", hca_attr->hca_vendor_id, hca_attr->hca_device_id, hca_attr->hca_version_id, hca_attr->hca_nports); if ((status = ibt_query_hca_ports(hca_hdl, 0, &portinfop, &nports, &size)) != IBT_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\thandle_hca_attach: " "ibt_query_hca_ports failed, status 0x%x", status); kmem_free(hca_attr, sizeof (ibt_hca_attr_t)); (void) ibt_close_hca(hca_hdl); return; } hca_list = (ibdm_hca_list_t *) kmem_zalloc((sizeof (ibdm_hca_list_t)), KM_SLEEP); hca_list->hl_port_attr = (ibdm_port_attr_t *)kmem_zalloc( (sizeof (ibdm_port_attr_t) * hca_attr->hca_nports), KM_SLEEP); hca_list->hl_hca_guid = hca_attr->hca_node_guid; hca_list->hl_nports = hca_attr->hca_nports; hca_list->hl_attach_time = ddi_get_time(); hca_list->hl_hca_hdl = hca_hdl; /* * Init a dummy port attribute for the HCA node * This is for Per-HCA Node. Initialize port_attr : * hca_guid & port_guid -> hca_guid * npkeys, pkey_tbl is NULL * port_num, sn_prefix is 0 * vendorid, product_id, dev_version from HCA * pa_state is IBT_PORT_ACTIVE */ hca_list->hl_hca_port_attr = (ibdm_port_attr_t *)kmem_zalloc( sizeof (ibdm_port_attr_t), KM_SLEEP); port_attr = hca_list->hl_hca_port_attr; port_attr->pa_vendorid = hca_attr->hca_vendor_id; port_attr->pa_productid = hca_attr->hca_device_id; port_attr->pa_dev_version = hca_attr->hca_version_id; port_attr->pa_hca_guid = hca_attr->hca_node_guid; port_attr->pa_hca_hdl = hca_list->hl_hca_hdl; port_attr->pa_port_guid = hca_attr->hca_node_guid; port_attr->pa_state = IBT_PORT_ACTIVE; for (ii = 0; ii < nports; ii++) { port_attr = &hca_list->hl_port_attr[ii]; port_attr->pa_vendorid = hca_attr->hca_vendor_id; port_attr->pa_productid = hca_attr->hca_device_id; port_attr->pa_dev_version = hca_attr->hca_version_id; port_attr->pa_hca_guid = hca_attr->hca_node_guid; port_attr->pa_hca_hdl = hca_list->hl_hca_hdl; port_attr->pa_port_guid = portinfop[ii].p_sgid_tbl->gid_guid; port_attr->pa_sn_prefix = portinfop[ii].p_sgid_tbl->gid_prefix; port_attr->pa_port_num = portinfop[ii].p_port_num; port_attr->pa_state = portinfop[ii].p_linkstate; /* * Register with IBMF, SA access when the port is in * ACTIVE state. Also register a callback routine * with IBMF to receive incoming DM MAD's. * The IBDM event handler takes care of registration of * port which are not active. */ IBTF_DPRINTF_L4("ibdm", "\thandle_hca_attach: port guid %llx Port state 0x%x", port_attr->pa_port_guid, portinfop[ii].p_linkstate); if (portinfop[ii].p_linkstate == IBT_PORT_ACTIVE) { mutex_enter(&ibdm.ibdm_hl_mutex); hca_list->hl_nports_active++; ibdm_initialize_port(port_attr); cv_broadcast(&ibdm.ibdm_port_settle_cv); mutex_exit(&ibdm.ibdm_hl_mutex); } } mutex_enter(&ibdm.ibdm_hl_mutex); for (temp = ibdm.ibdm_hca_list_head; temp; temp = temp->hl_next) { if (temp->hl_hca_guid == hca_guid) { IBTF_DPRINTF_L2("ibdm", "hca_attach: HCA %llX " "already seen by IBDM", hca_guid); mutex_exit(&ibdm.ibdm_hl_mutex); (void) ibdm_uninit_hca(hca_list); return; } } ibdm.ibdm_hca_count++; if (ibdm.ibdm_hca_list_head == NULL) { ibdm.ibdm_hca_list_head = hca_list; ibdm.ibdm_hca_list_tail = hca_list; } else { ibdm.ibdm_hca_list_tail->hl_next = hca_list; ibdm.ibdm_hca_list_tail = hca_list; } mutex_exit(&ibdm.ibdm_hl_mutex); mutex_enter(&ibdm.ibdm_ibnex_mutex); if (ibdm.ibdm_ibnex_callback != NULL) { (*ibdm.ibdm_ibnex_callback)((void *) &hca_guid, IBDM_EVENT_HCA_ADDED); } mutex_exit(&ibdm.ibdm_ibnex_mutex); kmem_free(hca_attr, sizeof (ibt_hca_attr_t)); ibt_free_portinfo(portinfop, size); } /* * ibdm_handle_hca_detach() */ static void ibdm_handle_hca_detach(ib_guid_t hca_guid) { ibdm_hca_list_t *head, *prev = NULL; size_t len; ibdm_dp_gidinfo_t *gidinfo; IBTF_DPRINTF_L4("ibdm", "\thandle_hca_detach: hca_guid = 0x%llx", hca_guid); /* Make sure no probes are running */ mutex_enter(&ibdm.ibdm_mutex); while (ibdm.ibdm_busy & IBDM_BUSY) cv_wait(&ibdm.ibdm_busy_cv, &ibdm.ibdm_mutex); ibdm.ibdm_busy |= IBDM_BUSY; mutex_exit(&ibdm.ibdm_mutex); mutex_enter(&ibdm.ibdm_hl_mutex); head = ibdm.ibdm_hca_list_head; while (head) { if (head->hl_hca_guid == hca_guid) { if (prev == NULL) ibdm.ibdm_hca_list_head = head->hl_next; else prev->hl_next = head->hl_next; if (ibdm.ibdm_hca_list_tail == head) ibdm.ibdm_hca_list_tail = prev; ibdm.ibdm_hca_count--; break; } prev = head; head = head->hl_next; } mutex_exit(&ibdm.ibdm_hl_mutex); if (ibdm_uninit_hca(head) != IBDM_SUCCESS) (void) ibdm_handle_hca_attach(hca_guid); /* * Now clean up the HCA lists in the gidlist. */ for (gidinfo = ibdm.ibdm_dp_gidlist_head; gidinfo; gidinfo = gidinfo->gl_next) { prev = NULL; head = gidinfo->gl_hca_list; while (head) { if (head->hl_hca_guid == hca_guid) { if (prev == NULL) gidinfo->gl_hca_list = head->hl_next; else prev->hl_next = head->hl_next; len = sizeof (ibdm_hca_list_t) + (head->hl_nports * sizeof (ibdm_port_attr_t)); kmem_free(head, len); break; } prev = head; head = head->hl_next; } } mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); } static int ibdm_uninit_hca(ibdm_hca_list_t *head) { int ii; ibdm_port_attr_t *port_attr; for (ii = 0; ii < head->hl_nports; ii++) { port_attr = &head->hl_port_attr[ii]; if (ibdm_fini_port(port_attr) != IBDM_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "uninit_hca: HCA %p port 0x%x " "ibdm_fini_port() failed", head, ii); return (IBDM_FAILURE); } } if (head->hl_hca_hdl) if (ibt_close_hca(head->hl_hca_hdl) != IBT_SUCCESS) return (IBDM_FAILURE); kmem_free(head->hl_port_attr, head->hl_nports * sizeof (ibdm_port_attr_t)); kmem_free(head->hl_hca_port_attr, sizeof (ibdm_port_attr_t)); kmem_free(head, sizeof (ibdm_hca_list_t)); return (IBDM_SUCCESS); } /* * For each port on the HCA, * 1) Teardown IBMF receive callback function * 2) Unregister with IBMF * 3) Unregister with SA access */ static int ibdm_fini_port(ibdm_port_attr_t *port_attr) { int ii, ibmf_status; for (ii = 0; ii < port_attr->pa_npkeys; ii++) { if (port_attr->pa_pkey_tbl == NULL) break; if (!port_attr->pa_pkey_tbl[ii].pt_qp_hdl) continue; if (ibdm_port_attr_ibmf_fini(port_attr, ii) != IBDM_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tfini_port: " "ibdm_port_attr_ibmf_fini failed for " "port pkey 0x%x", ii); return (IBDM_FAILURE); } } if (port_attr->pa_ibmf_hdl) { ibmf_status = ibmf_tear_down_async_cb(port_attr->pa_ibmf_hdl, IBMF_QP_HANDLE_DEFAULT, 0); if (ibmf_status != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tfini_port: " "ibmf_tear_down_async_cb failed %d", ibmf_status); return (IBDM_FAILURE); } ibmf_status = ibmf_unregister(&port_attr->pa_ibmf_hdl, 0); if (ibmf_status != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tfini_port: " "ibmf_unregister failed %d", ibmf_status); return (IBDM_FAILURE); } port_attr->pa_ibmf_hdl = NULL; } if (port_attr->pa_sa_hdl) { ibmf_status = ibmf_sa_session_close(&port_attr->pa_sa_hdl, 0); if (ibmf_status != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tfini_port: " "ibmf_sa_session_close failed %d", ibmf_status); return (IBDM_FAILURE); } port_attr->pa_sa_hdl = NULL; } if (port_attr->pa_pkey_tbl != NULL) { kmem_free(port_attr->pa_pkey_tbl, port_attr->pa_npkeys * sizeof (ibdm_pkey_tbl_t)); port_attr->pa_pkey_tbl = NULL; port_attr->pa_npkeys = 0; } return (IBDM_SUCCESS); } /* * ibdm_port_attr_ibmf_fini: * With IBMF - Tear down Async callback and free QP Handle */ static int ibdm_port_attr_ibmf_fini(ibdm_port_attr_t *port_attr, int ii) { int ibmf_status; IBTF_DPRINTF_L5("ibdm", "\tport_attr_ibmf_fini:"); if (port_attr->pa_pkey_tbl[ii].pt_qp_hdl) { ibmf_status = ibmf_tear_down_async_cb(port_attr->pa_ibmf_hdl, port_attr->pa_pkey_tbl[ii].pt_qp_hdl, 0); if (ibmf_status != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tport_attr_ibmf_fini: " "ibmf_tear_down_async_cb failed %d", ibmf_status); return (IBDM_FAILURE); } ibmf_status = ibmf_free_qp(port_attr->pa_ibmf_hdl, &port_attr->pa_pkey_tbl[ii].pt_qp_hdl, 0); if (ibmf_status != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tport_attr_ibmf_fini: " "ibmf_free_qp failed %d", ibmf_status); return (IBDM_FAILURE); } port_attr->pa_pkey_tbl[ii].pt_qp_hdl = NULL; } return (IBDM_SUCCESS); } /* * ibdm_gid_decr_pending: * decrement gl_pending_cmds. If zero wakeup sleeping threads */ static void ibdm_gid_decr_pending(ibdm_dp_gidinfo_t *gidinfo) { mutex_enter(&ibdm.ibdm_mutex); mutex_enter(&gidinfo->gl_mutex); if (--gidinfo->gl_pending_cmds == 0) { /* * Handle DGID getting removed. */ if (gidinfo->gl_disconnected) { mutex_exit(&gidinfo->gl_mutex); mutex_exit(&ibdm.ibdm_mutex); IBTF_DPRINTF_L3(ibdm_string, "\tgid_decr_pending: " "gidinfo %p hot removal", gidinfo); ibdm_delete_gidinfo(gidinfo); mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_ngid_probes_in_progress--; ibdm_wait_probe_completion(); mutex_exit(&ibdm.ibdm_mutex); return; } mutex_exit(&gidinfo->gl_mutex); mutex_exit(&ibdm.ibdm_mutex); ibdm_notify_newgid_iocs(gidinfo); mutex_enter(&ibdm.ibdm_mutex); mutex_enter(&gidinfo->gl_mutex); ibdm.ibdm_ngid_probes_in_progress--; ibdm_wait_probe_completion(); } mutex_exit(&gidinfo->gl_mutex); mutex_exit(&ibdm.ibdm_mutex); } /* * ibdm_wait_probe_completion: * wait for probing to complete */ static void ibdm_wait_probe_completion(void) { ASSERT(MUTEX_HELD(&ibdm.ibdm_mutex)); if (ibdm.ibdm_ngid_probes_in_progress) { IBTF_DPRINTF_L4("ibdm", "\twait for probe complete"); ibdm.ibdm_busy |= IBDM_PROBE_IN_PROGRESS; while (ibdm.ibdm_busy & IBDM_PROBE_IN_PROGRESS) cv_wait(&ibdm.ibdm_probe_cv, &ibdm.ibdm_mutex); } } /* * ibdm_wait_cisco_probe_completion: * wait for the reply from the Cisco FC GW switch after a setclassportinfo * request is sent. This wait can be achieved on each gid. */ static void ibdm_wait_cisco_probe_completion(ibdm_dp_gidinfo_t *gidinfo) { ASSERT(MUTEX_HELD(&gidinfo->gl_mutex)); IBTF_DPRINTF_L4("ibdm", "\twait for cisco probe complete"); gidinfo->gl_flag |= IBDM_CISCO_PROBE; while (gidinfo->gl_flag & IBDM_CISCO_PROBE) cv_wait(&gidinfo->gl_probe_cv, &gidinfo->gl_mutex); } /* * ibdm_wakeup_probe_gid_cv: * wakeup waiting threads (based on ibdm_ngid_probes_in_progress) */ static void ibdm_wakeup_probe_gid_cv(void) { ASSERT(MUTEX_HELD(&ibdm.ibdm_mutex)); if (!ibdm.ibdm_ngid_probes_in_progress) { IBTF_DPRINTF_L4("ibdm", "wakeup_probe_gid_thread: Wakeup"); ibdm.ibdm_busy &= ~IBDM_PROBE_IN_PROGRESS; cv_broadcast(&ibdm.ibdm_probe_cv); } } /* * ibdm_sweep_fabric(reprobe_flag) * Find all possible Managed IOU's and their IOC's that are visible * to the host. The algorithm used is as follows * * Send a "bus walk" request for each port on the host HCA to SA access * SA returns complete set of GID's that are reachable from * source port. This is done in parallel. * * Initialize GID state to IBDM_GID_PROBE_NOT_DONE * * Sort the GID list and eliminate duplicate GID's * 1) Use DGID for sorting * 2) use PortGuid for sorting * Send SA query to retrieve NodeRecord and * extract PortGuid from that. * * Set GID state to IBDM_GID_PROBE_FAILED to all the ports that dont * support DM MAD's * Send a "Portinfo" query to get the port capabilities and * then check for DM MAD's support * * Send "ClassPortInfo" request for all the GID's in parallel, * set the GID state to IBDM_GET_CLASSPORTINFO and wait on the * cv_signal to complete. * * When DM agent on the remote GID sends back the response, IBMF * invokes DM callback routine. * * If the response is proper, send "IOUnitInfo" request and set * GID state to IBDM_GET_IOUNITINFO. * * If the response is proper, send "IocProfileInfo" request to * all the IOC simultaneously and set GID state to IBDM_GET_IOC_DETAILS. * * Send request to get Service entries simultaneously * * Signal the waiting thread when received response for all the commands. * * Set the GID state to IBDM_GID_PROBE_FAILED when received a error * response during the probing period. * * Note: * ibdm.ibdm_ngid_probes_in_progress and ibdm_gid_list_t:gl_pending_cmds * keep track of number commands in progress at any point of time. * MAD transaction ID is used to identify a particular GID * TBD: Consider registering the IBMF receive callback on demand * * Note: This routine must be called with ibdm.ibdm_mutex held * TBD: Re probe the failure GID (for certain failures) when requested * for fabric sweep next time * * Parameters : If reprobe_flag is set, All IOCs will be reprobed. */ static void ibdm_sweep_fabric(int reprobe_flag) { int ii; int new_paths = 0; uint8_t niocs; taskqid_t tid; ibdm_ioc_info_t *ioc; ibdm_hca_list_t *hca_list = NULL; ibdm_port_attr_t *port = NULL; ibdm_dp_gidinfo_t *gid_info; IBTF_DPRINTF_L4("ibdm", "\tsweep_fabric: Enter"); ASSERT(MUTEX_HELD(&ibdm.ibdm_mutex)); /* * Check whether a sweep already in progress. If so, just * wait for the fabric sweep to complete */ while (ibdm.ibdm_busy & IBDM_BUSY) cv_wait(&ibdm.ibdm_busy_cv, &ibdm.ibdm_mutex); ibdm.ibdm_busy |= IBDM_BUSY; mutex_exit(&ibdm.ibdm_mutex); ibdm_dump_sweep_fabric_timestamp(0); /* Rescan the GID list for any removed GIDs for reprobe */ if (reprobe_flag) ibdm_rescan_gidlist(NULL); /* * Get list of all the ports reachable from the local known HCA * ports which are active */ mutex_enter(&ibdm.ibdm_hl_mutex); for (ibdm_get_next_port(&hca_list, &port, 1); port; ibdm_get_next_port(&hca_list, &port, 1)) { /* * Get PATHS to all the reachable ports from * SGID and update the global ibdm structure. */ new_paths = ibdm_get_reachable_ports(port, hca_list); ibdm.ibdm_ngids += new_paths; } mutex_exit(&ibdm.ibdm_hl_mutex); mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_ngid_probes_in_progress += ibdm.ibdm_ngids; mutex_exit(&ibdm.ibdm_mutex); /* Send a request to probe GIDs asynchronously. */ for (gid_info = ibdm.ibdm_dp_gidlist_head; gid_info; gid_info = gid_info->gl_next) { mutex_enter(&gid_info->gl_mutex); gid_info->gl_reprobe_flag = reprobe_flag; mutex_exit(&gid_info->gl_mutex); /* process newly encountered GIDs */ tid = taskq_dispatch(system_taskq, ibdm_probe_gid_thread, (void *)gid_info, TQ_NOSLEEP); IBTF_DPRINTF_L4("ibdm", "\tsweep_fabric: gid_info = %p" " taskq_id = %x", gid_info, tid); /* taskq failed to dispatch call it directly */ if (tid == NULL) ibdm_probe_gid_thread((void *)gid_info); } mutex_enter(&ibdm.ibdm_mutex); ibdm_wait_probe_completion(); /* * Update the properties, if reprobe_flag is set * Skip if gl_reprobe_flag is set, this will be * a re-inserted / new GID, for which notifications * have already been send. */ if (reprobe_flag) { for (gid_info = ibdm.ibdm_dp_gidlist_head; gid_info; gid_info = gid_info->gl_next) { if (gid_info->gl_iou == NULL) continue; if (gid_info->gl_reprobe_flag) { gid_info->gl_reprobe_flag = 0; continue; } niocs = gid_info->gl_iou->iou_info.iou_num_ctrl_slots; for (ii = 0; ii < niocs; ii++) { ioc = IBDM_GIDINFO2IOCINFO(gid_info, ii); if (ioc) ibdm_reprobe_update_port_srv(ioc, gid_info); } } } else if (ibdm.ibdm_prev_iou) { ibdm_ioc_info_t *ioc_list; /* * Get the list of IOCs which have changed. * If any IOCs have changed, Notify IBNexus */ ibdm.ibdm_prev_iou = 0; ioc_list = ibdm_handle_prev_iou(); if (ioc_list) { if (ibdm.ibdm_ibnex_callback != NULL) { (*ibdm.ibdm_ibnex_callback)( (void *)ioc_list, IBDM_EVENT_IOC_PROP_UPDATE); } } } ibdm_dump_sweep_fabric_timestamp(1); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); IBTF_DPRINTF_L5("ibdm", "\tsweep_fabric: EXIT"); } /* * ibdm_is_cisco: * Check if this is a Cisco device or not. */ static boolean_t ibdm_is_cisco(ib_guid_t guid) { if ((guid >> IBDM_OUI_GUID_SHIFT) == IBDM_CISCO_COMPANY_ID) return (B_TRUE); return (B_FALSE); } /* * ibdm_is_cisco_switch: * Check if this switch is a CISCO switch or not. * Note that if this switch is already activated, ibdm_is_cisco_switch() * returns B_FALSE not to re-activate it again. */ static boolean_t ibdm_is_cisco_switch(ibdm_dp_gidinfo_t *gid_info) { int company_id, device_id; ASSERT(gid_info != 0); ASSERT(MUTEX_HELD(&gid_info->gl_mutex)); /* * If this switch is already activated, don't re-activate it. */ if (gid_info->gl_flag & IBDM_CISCO_PROBE_DONE) return (B_FALSE); /* * Check if this switch is a Cisco FC GW or not. * Use the node guid (the OUI part) instead of the vendor id * since the vendor id is zero in practice. */ company_id = gid_info->gl_nodeguid >> IBDM_OUI_GUID_SHIFT; device_id = gid_info->gl_devid; if (company_id == IBDM_CISCO_COMPANY_ID && device_id == IBDM_CISCO_DEVICE_ID) return (B_TRUE); return (B_FALSE); } /* * ibdm_probe_gid_thread: * thread that does the actual work for sweeping the fabric * for a given GID */ static void ibdm_probe_gid_thread(void *args) { int reprobe_flag; ib_guid_t node_guid; ib_guid_t port_guid; ibdm_dp_gidinfo_t *gid_info; gid_info = (ibdm_dp_gidinfo_t *)args; reprobe_flag = gid_info->gl_reprobe_flag; IBTF_DPRINTF_L4("ibdm", "\tprobe_gid_thread: gid_info = %p, flag = %d", gid_info, reprobe_flag); ASSERT(gid_info != NULL); ASSERT(gid_info->gl_pending_cmds == 0); if (gid_info->gl_state != IBDM_GID_PROBE_NOT_DONE && reprobe_flag == 0) { /* * This GID may have been already probed. Send * in a CLP to check if IOUnitInfo changed? * Explicitly set gl_reprobe_flag to 0 so that * IBnex is not notified on completion */ if (gid_info->gl_state == IBDM_GID_PROBING_COMPLETE) { IBTF_DPRINTF_L4("ibdm", "\tprobe_gid_thread: " "get new IOCs information"); mutex_enter(&gid_info->gl_mutex); gid_info->gl_pending_cmds++; gid_info->gl_state = IBDM_GET_IOUNITINFO; gid_info->gl_reprobe_flag = 0; mutex_exit(&gid_info->gl_mutex); if (ibdm_send_iounitinfo(gid_info) != IBDM_SUCCESS) { mutex_enter(&gid_info->gl_mutex); --gid_info->gl_pending_cmds; mutex_exit(&gid_info->gl_mutex); mutex_enter(&ibdm.ibdm_mutex); --ibdm.ibdm_ngid_probes_in_progress; ibdm_wakeup_probe_gid_cv(); mutex_exit(&ibdm.ibdm_mutex); } } else { mutex_enter(&ibdm.ibdm_mutex); --ibdm.ibdm_ngid_probes_in_progress; ibdm_wakeup_probe_gid_cv(); mutex_exit(&ibdm.ibdm_mutex); } return; } else if (reprobe_flag && gid_info->gl_state == IBDM_GID_PROBING_COMPLETE) { /* * Reprobe all IOCs for the GID which has completed * probe. Skip other port GIDs to same IOU. * Explicitly set gl_reprobe_flag to 0 so that * IBnex is not notified on completion */ ibdm_ioc_info_t *ioc_info; uint8_t niocs, ii; ASSERT(gid_info->gl_iou); mutex_enter(&gid_info->gl_mutex); niocs = gid_info->gl_iou->iou_info.iou_num_ctrl_slots; gid_info->gl_state = IBDM_GET_IOC_DETAILS; gid_info->gl_pending_cmds += niocs; gid_info->gl_reprobe_flag = 0; mutex_exit(&gid_info->gl_mutex); for (ii = 0; ii < niocs; ii++) { uchar_t slot_info; ib_dm_io_unitinfo_t *giou_info; /* * Check whether IOC is present in the slot * Series of nibbles (in the field * iou_ctrl_list) represents a slot in the * IOU. * Byte format: 76543210 * Bits 0-3 of first byte represent Slot 2 * bits 4-7 of first byte represent slot 1, * bits 0-3 of second byte represent slot 4 * and so on * Each 4-bit nibble has the following meaning * 0x0 : IOC not installed * 0x1 : IOC is present * 0xf : Slot does not exist * and all other values are reserved. */ ioc_info = IBDM_GIDINFO2IOCINFO(gid_info, ii); giou_info = &gid_info->gl_iou->iou_info; slot_info = giou_info->iou_ctrl_list[(ii/2)]; if ((ii % 2) == 0) slot_info = (slot_info >> 4); if ((slot_info & 0xf) != 1) { ioc_info->ioc_state = IBDM_IOC_STATE_PROBE_FAILED; ibdm_gid_decr_pending(gid_info); continue; } if (ibdm_send_ioc_profile(gid_info, ii) != IBDM_SUCCESS) { ibdm_gid_decr_pending(gid_info); } } return; } else if (gid_info->gl_state != IBDM_GID_PROBE_NOT_DONE) { mutex_enter(&ibdm.ibdm_mutex); --ibdm.ibdm_ngid_probes_in_progress; ibdm_wakeup_probe_gid_cv(); mutex_exit(&ibdm.ibdm_mutex); return; } /* * Check whether the destination GID supports DM agents. If * not, stop probing the GID and continue with the next GID * in the list. */ if (ibdm_is_dev_mgt_supported(gid_info) != IBDM_SUCCESS) { mutex_enter(&gid_info->gl_mutex); gid_info->gl_state = IBDM_GID_PROBING_FAILED; mutex_exit(&gid_info->gl_mutex); ibdm_delete_glhca_list(gid_info); mutex_enter(&ibdm.ibdm_mutex); --ibdm.ibdm_ngid_probes_in_progress; ibdm_wakeup_probe_gid_cv(); mutex_exit(&ibdm.ibdm_mutex); return; } /* Get the nodeguid and portguid of the port */ if (ibdm_get_node_port_guids(gid_info->gl_sa_hdl, gid_info->gl_dlid, &node_guid, &port_guid) != IBDM_SUCCESS) { mutex_enter(&gid_info->gl_mutex); gid_info->gl_state = IBDM_GID_PROBING_FAILED; mutex_exit(&gid_info->gl_mutex); ibdm_delete_glhca_list(gid_info); mutex_enter(&ibdm.ibdm_mutex); --ibdm.ibdm_ngid_probes_in_progress; ibdm_wakeup_probe_gid_cv(); mutex_exit(&ibdm.ibdm_mutex); return; } /* * Check whether we already knew about this NodeGuid * If so, do not probe the GID and continue with the * next GID in the gid list. Set the GID state to * probing done. */ mutex_enter(&ibdm.ibdm_mutex); gid_info->gl_nodeguid = node_guid; gid_info->gl_portguid = port_guid; if (ibdm_check_dest_nodeguid(gid_info) != NULL) { mutex_exit(&ibdm.ibdm_mutex); mutex_enter(&gid_info->gl_mutex); gid_info->gl_state = IBDM_GID_PROBING_SKIPPED; mutex_exit(&gid_info->gl_mutex); ibdm_delete_glhca_list(gid_info); mutex_enter(&ibdm.ibdm_mutex); --ibdm.ibdm_ngid_probes_in_progress; ibdm_wakeup_probe_gid_cv(); mutex_exit(&ibdm.ibdm_mutex); return; } ibdm_add_to_gl_gid(gid_info, gid_info); mutex_exit(&ibdm.ibdm_mutex); /* * New or reinserted GID : Enable notification to IBnex */ mutex_enter(&gid_info->gl_mutex); gid_info->gl_reprobe_flag = 1; /* * A Cisco FC GW needs the special handling to get IOUnitInfo. */ if (ibdm_is_cisco_switch(gid_info)) { gid_info->gl_pending_cmds++; gid_info->gl_state = IBDM_SET_CLASSPORTINFO; mutex_exit(&gid_info->gl_mutex); if (ibdm_set_classportinfo(gid_info) != IBDM_SUCCESS) { mutex_enter(&gid_info->gl_mutex); gid_info->gl_state = IBDM_GID_PROBING_FAILED; --gid_info->gl_pending_cmds; mutex_exit(&gid_info->gl_mutex); /* free the hca_list on this gid_info */ ibdm_delete_glhca_list(gid_info); mutex_enter(&ibdm.ibdm_mutex); --ibdm.ibdm_ngid_probes_in_progress; ibdm_wakeup_probe_gid_cv(); mutex_exit(&ibdm.ibdm_mutex); return; } mutex_enter(&gid_info->gl_mutex); ibdm_wait_cisco_probe_completion(gid_info); IBTF_DPRINTF_L4("ibdm", "\tibdm_probe_gid_thread: " "CISCO Wakeup signal received"); } /* move on to the 'GET_CLASSPORTINFO' stage */ gid_info->gl_pending_cmds++; gid_info->gl_state = IBDM_GET_CLASSPORTINFO; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L3(ibdm_string, "\tibdm_probe_gid_thread: " "%d: gid_info %p gl_state %d pending_cmds %d", __LINE__, gid_info, gid_info->gl_state, gid_info->gl_pending_cmds); /* * Send ClassPortInfo request to the GID asynchronously. */ if (ibdm_send_classportinfo(gid_info) != IBDM_SUCCESS) { mutex_enter(&gid_info->gl_mutex); gid_info->gl_state = IBDM_GID_PROBING_FAILED; --gid_info->gl_pending_cmds; mutex_exit(&gid_info->gl_mutex); /* free the hca_list on this gid_info */ ibdm_delete_glhca_list(gid_info); mutex_enter(&ibdm.ibdm_mutex); --ibdm.ibdm_ngid_probes_in_progress; ibdm_wakeup_probe_gid_cv(); mutex_exit(&ibdm.ibdm_mutex); return; } } /* * ibdm_check_dest_nodeguid * Searches for the NodeGuid in the GID list * Returns matching gid_info if found and otherwise NULL * * This function is called to handle new GIDs discovered * during device sweep / probe or for GID_AVAILABLE event. * * Parameter : * gid_info GID to check */ static ibdm_dp_gidinfo_t * ibdm_check_dest_nodeguid(ibdm_dp_gidinfo_t *gid_info) { ibdm_dp_gidinfo_t *gid_list; ibdm_gid_t *tmp; IBTF_DPRINTF_L4("ibdm", "\tcheck_dest_nodeguid"); gid_list = ibdm.ibdm_dp_gidlist_head; while (gid_list) { if ((gid_list != gid_info) && (gid_info->gl_nodeguid == gid_list->gl_nodeguid)) { IBTF_DPRINTF_L4("ibdm", "\tcheck_dest_nodeguid: NodeGuid is present"); /* Add to gid_list */ tmp = kmem_zalloc(sizeof (ibdm_gid_t), KM_SLEEP); tmp->gid_dgid_hi = gid_info->gl_dgid_hi; tmp->gid_dgid_lo = gid_info->gl_dgid_lo; tmp->gid_next = gid_list->gl_gid; gid_list->gl_gid = tmp; gid_list->gl_ngids++; return (gid_list); } gid_list = gid_list->gl_next; } return (NULL); } /* * ibdm_is_dev_mgt_supported * Get the PortInfo attribute (SA Query) * Check "CompatabilityMask" field in the Portinfo. * Return IBDM_SUCCESS if DM MAD's supported (if bit 19 set) * by the port, otherwise IBDM_FAILURE */ static int ibdm_is_dev_mgt_supported(ibdm_dp_gidinfo_t *gid_info) { int ret; size_t length = 0; sa_portinfo_record_t req, *resp = NULL; ibmf_saa_access_args_t qargs; bzero(&req, sizeof (sa_portinfo_record_t)); req.EndportLID = gid_info->gl_dlid; qargs.sq_attr_id = SA_PORTINFORECORD_ATTRID; qargs.sq_access_type = IBMF_SAA_RETRIEVE; qargs.sq_component_mask = SA_PORTINFO_COMPMASK_PORTLID; qargs.sq_template = &req; qargs.sq_callback = NULL; qargs.sq_callback_arg = NULL; ret = ibmf_sa_access(gid_info->gl_sa_hdl, &qargs, 0, &length, (void **)&resp); if ((ret != IBMF_SUCCESS) || (length == 0) || (resp == NULL)) { IBTF_DPRINTF_L2("ibdm", "\tis_dev_mgt_supported:" "failed to get PORTINFO attribute %d", ret); return (IBDM_FAILURE); } if (resp->PortInfo.CapabilityMask & SM_CAP_MASK_IS_DM_SUPPD) { IBTF_DPRINTF_L4("ibdm", "\tis_dev_mgt_supported: SUPPD !!"); ret = IBDM_SUCCESS; } else { IBTF_DPRINTF_L4("ibdm", "\tis_dev_mgt_supported: " "Not SUPPD !!, cap 0x%x", resp->PortInfo.CapabilityMask); ret = IBDM_FAILURE; } kmem_free(resp, length); return (ret); } /* * ibdm_get_node_port_guids() * Get the NodeInfoRecord of the port * Save NodeGuid and PortGUID values in the GID list structure. * Return IBDM_SUCCESS/IBDM_FAILURE */ static int ibdm_get_node_port_guids(ibmf_saa_handle_t sa_hdl, ib_lid_t dlid, ib_guid_t *node_guid, ib_guid_t *port_guid) { int ret; size_t length = 0; sa_node_record_t req, *resp = NULL; ibmf_saa_access_args_t qargs; IBTF_DPRINTF_L4("ibdm", "\tget_node_port_guids"); bzero(&req, sizeof (sa_node_record_t)); req.LID = dlid; qargs.sq_attr_id = SA_NODERECORD_ATTRID; qargs.sq_access_type = IBMF_SAA_RETRIEVE; qargs.sq_component_mask = SA_NODEINFO_COMPMASK_NODELID; qargs.sq_template = &req; qargs.sq_callback = NULL; qargs.sq_callback_arg = NULL; ret = ibmf_sa_access(sa_hdl, &qargs, 0, &length, (void **)&resp); if ((ret != IBMF_SUCCESS) || (length == 0) || (resp == NULL)) { IBTF_DPRINTF_L2("ibdm", "\tget_node_port_guids:" " SA Retrieve Failed: %d", ret); return (IBDM_FAILURE); } IBTF_DPRINTF_L4("ibdm", "\tget_node_port_guids: NodeGuid %llx Port" "GUID %llx", resp->NodeInfo.NodeGUID, resp->NodeInfo.NodeGUID); *node_guid = resp->NodeInfo.NodeGUID; *port_guid = resp->NodeInfo.PortGUID; kmem_free(resp, length); return (IBDM_SUCCESS); } /* * ibdm_get_reachable_ports() * Get list of the destination GID (and its path records) by * querying the SA access. * * Returns Number paths */ static int ibdm_get_reachable_ports(ibdm_port_attr_t *portinfo, ibdm_hca_list_t *hca) { uint_t ii, jj, nrecs; uint_t npaths = 0; size_t length; ib_gid_t sgid; ibdm_pkey_tbl_t *pkey_tbl; sa_path_record_t *result; sa_path_record_t *precp; ibdm_dp_gidinfo_t *gid_info; ASSERT(MUTEX_HELD(&ibdm.ibdm_hl_mutex)); IBTF_DPRINTF_L4("ibdm", "\tget_reachable_ports: portinfo %p", portinfo); sgid.gid_prefix = portinfo->pa_sn_prefix; sgid.gid_guid = portinfo->pa_port_guid; /* get reversible paths */ if (portinfo->pa_sa_hdl && ibmf_saa_paths_from_gid(portinfo->pa_sa_hdl, sgid, IBMF_SAA_PKEY_WC, B_TRUE, 0, &nrecs, &length, &result) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tget_reachable_ports: Getting path records failed"); return (0); } for (ii = 0; ii < nrecs; ii++) { sa_node_record_t *nrec; size_t length; precp = &result[ii]; if ((gid_info = ibdm_check_dgid(precp->DGID.gid_guid, precp->DGID.gid_prefix)) != NULL) { IBTF_DPRINTF_L5("ibdm", "\tget_reachable_ports: " "Already exists nrecs %d, ii %d", nrecs, ii); ibdm_addto_glhcalist(gid_info, hca); continue; } /* * This is a new GID. Allocate a GID structure and * initialize the structure * gl_state is initialized to IBDM_GID_PROBE_NOT_DONE (0) * by kmem_zalloc call */ gid_info = kmem_zalloc(sizeof (ibdm_dp_gidinfo_t), KM_SLEEP); mutex_init(&gid_info->gl_mutex, NULL, MUTEX_DEFAULT, NULL); cv_init(&gid_info->gl_probe_cv, NULL, CV_DRIVER, NULL); gid_info->gl_dgid_hi = precp->DGID.gid_prefix; gid_info->gl_dgid_lo = precp->DGID.gid_guid; gid_info->gl_sgid_hi = precp->SGID.gid_prefix; gid_info->gl_sgid_lo = precp->SGID.gid_guid; gid_info->gl_p_key = precp->P_Key; gid_info->gl_sa_hdl = portinfo->pa_sa_hdl; gid_info->gl_ibmf_hdl = portinfo->pa_ibmf_hdl; gid_info->gl_slid = precp->SLID; gid_info->gl_dlid = precp->DLID; gid_info->gl_transactionID = (++ibdm.ibdm_transactionID) << IBDM_GID_TRANSACTIONID_SHIFT; gid_info->gl_min_transactionID = gid_info->gl_transactionID; gid_info->gl_max_transactionID = (ibdm.ibdm_transactionID +1) << IBDM_GID_TRANSACTIONID_SHIFT; gid_info->gl_SL = precp->SL; /* * get the node record with this guid if the destination * device is a Cisco one. */ if (ibdm_is_cisco(precp->DGID.gid_guid) && (gid_info->gl_nodeguid == 0 || gid_info->gl_devid == 0) && ibdm_get_node_record_by_port(portinfo->pa_sa_hdl, precp->DGID.gid_guid, &nrec, &length) == IBDM_SUCCESS) { gid_info->gl_nodeguid = nrec->NodeInfo.NodeGUID; gid_info->gl_devid = nrec->NodeInfo.DeviceID; kmem_free(nrec, length); } ibdm_addto_glhcalist(gid_info, hca); ibdm_dump_path_info(precp); gid_info->gl_qp_hdl = NULL; ASSERT(portinfo->pa_pkey_tbl != NULL && portinfo->pa_npkeys != 0); for (jj = 0; jj < portinfo->pa_npkeys; jj++) { pkey_tbl = &portinfo->pa_pkey_tbl[jj]; if ((gid_info->gl_p_key == pkey_tbl->pt_pkey) && (pkey_tbl->pt_qp_hdl != NULL)) { gid_info->gl_qp_hdl = pkey_tbl->pt_qp_hdl; break; } } /* * QP handle for GID not initialized. No matching Pkey * was found!! ibdm should *not* hit this case. Flag an * error and drop the GID if ibdm does encounter this. */ if (gid_info->gl_qp_hdl == NULL) { IBTF_DPRINTF_L2(ibdm_string, "\tget_reachable_ports: No matching Pkey"); ibdm_delete_gidinfo(gid_info); continue; } if (ibdm.ibdm_dp_gidlist_head == NULL) { ibdm.ibdm_dp_gidlist_head = gid_info; ibdm.ibdm_dp_gidlist_tail = gid_info; } else { ibdm.ibdm_dp_gidlist_tail->gl_next = gid_info; gid_info->gl_prev = ibdm.ibdm_dp_gidlist_tail; ibdm.ibdm_dp_gidlist_tail = gid_info; } npaths++; } kmem_free(result, length); IBTF_DPRINTF_L4("ibdm", "\tget_reachable_ports: npaths = %d", npaths); return (npaths); } /* * ibdm_check_dgid() * Look in the global list to check whether we know this DGID already * Return IBDM_GID_PRESENT/IBDM_GID_NOT_PRESENT */ static ibdm_dp_gidinfo_t * ibdm_check_dgid(ib_guid_t guid, ib_sn_prefix_t prefix) { ibdm_dp_gidinfo_t *gid_list; for (gid_list = ibdm.ibdm_dp_gidlist_head; gid_list; gid_list = gid_list->gl_next) { if ((guid == gid_list->gl_dgid_lo) && (prefix == gid_list->gl_dgid_hi)) { break; } } return (gid_list); } /* * ibdm_find_gid() * Look in the global list to find a GID entry with matching * port & node GUID. * Return pointer to gidinfo if found, else return NULL */ static ibdm_dp_gidinfo_t * ibdm_find_gid(ib_guid_t nodeguid, ib_guid_t portguid) { ibdm_dp_gidinfo_t *gid_list; IBTF_DPRINTF_L4("ibdm", "ibdm_find_gid(%llx, %llx)\n", nodeguid, portguid); for (gid_list = ibdm.ibdm_dp_gidlist_head; gid_list; gid_list = gid_list->gl_next) { if ((portguid == gid_list->gl_portguid) && (nodeguid == gid_list->gl_nodeguid)) { break; } } IBTF_DPRINTF_L4("ibdm", "ibdm_find_gid : returned %p\n", gid_list); return (gid_list); } /* * ibdm_set_classportinfo() * ibdm_set_classportinfo() is a function to activate a Cisco FC GW * by sending the setClassPortInfo request with the trapLID, trapGID * and etc. to the gateway since the gateway doesn't provide the IO * Unit Information othewise. This behavior is the Cisco specific one, * and this function is called to a Cisco FC GW only. * Returns IBDM_SUCCESS/IBDM_FAILURE */ static int ibdm_set_classportinfo(ibdm_dp_gidinfo_t *gid_info) { ibmf_msg_t *msg; ib_mad_hdr_t *hdr; ibdm_timeout_cb_args_t *cb_args; void *data; ib_mad_classportinfo_t *cpi; IBTF_DPRINTF_L4("ibdm", "\tset_classportinfo: gid info 0x%p", gid_info); /* * Send command to set classportinfo attribute. Allocate a IBMF * packet and initialize the packet. */ if (ibmf_alloc_msg(gid_info->gl_ibmf_hdl, IBMF_ALLOC_SLEEP, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tset_classportinfo: pkt alloc fail"); return (IBDM_FAILURE); } _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*msg)) ibdm_alloc_send_buffers(msg); _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*msg)) msg->im_local_addr.ia_local_lid = gid_info->gl_slid; msg->im_local_addr.ia_remote_lid = gid_info->gl_dlid; msg->im_local_addr.ia_remote_qno = 1; msg->im_local_addr.ia_p_key = gid_info->gl_p_key; msg->im_local_addr.ia_q_key = IB_GSI_QKEY; msg->im_local_addr.ia_service_level = gid_info->gl_SL; hdr = IBDM_OUT_IBMFMSG_MADHDR(msg); hdr->BaseVersion = MAD_CLASS_BASE_VERS_1; hdr->MgmtClass = MAD_MGMT_CLASS_DEV_MGT; hdr->ClassVersion = IB_DM_CLASS_VERSION_1; hdr->R_Method = IB_DM_DEVMGT_METHOD_SET; hdr->Status = 0; hdr->TransactionID = h2b64(gid_info->gl_transactionID); hdr->AttributeID = h2b16(IB_DM_ATTR_CLASSPORTINFO); hdr->AttributeModifier = 0; data = msg->im_msgbufs_send.im_bufs_cl_data; cpi = (ib_mad_classportinfo_t *)data; /* * Set the classportinfo values to activate this Cisco FC GW. */ cpi->TrapGID_hi = h2b64(gid_info->gl_sgid_hi); cpi->TrapGID_lo = h2b64(gid_info->gl_sgid_lo); cpi->TrapLID = h2b16(gid_info->gl_slid); cpi->TrapSL = gid_info->gl_SL; cpi->TrapP_Key = h2b16(gid_info->gl_p_key); cpi->TrapQP = h2b32((((ibmf_alt_qp_t *)gid_info->gl_qp_hdl)->isq_qpn)); cpi->TrapQ_Key = h2b32((((ibmf_alt_qp_t *) gid_info->gl_qp_hdl)->isq_qkey)); cb_args = &gid_info->gl_cpi_cb_args; cb_args->cb_gid_info = gid_info; cb_args->cb_retry_count = ibdm_dft_retry_cnt; cb_args->cb_req_type = IBDM_REQ_TYPE_CLASSPORTINFO; mutex_enter(&gid_info->gl_mutex); gid_info->gl_timeout_id = timeout(ibdm_pkt_timeout_hdlr, cb_args, IBDM_TIMEOUT_VALUE(ibdm_dft_timeout)); mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\tset_classportinfo: " "timeout id %x", gid_info->gl_timeout_id); if (ibmf_msg_transport(gid_info->gl_ibmf_hdl, gid_info->gl_qp_hdl, msg, NULL, ibdm_ibmf_send_cb, cb_args, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tset_classportinfo: ibmf send failed"); ibdm_ibmf_send_cb(gid_info->gl_ibmf_hdl, msg, cb_args); } return (IBDM_SUCCESS); } /* * ibdm_send_classportinfo() * Send classportinfo request. When the request is completed * IBMF calls ibdm_classportinfo_cb routine to inform about * the completion. * Returns IBDM_SUCCESS/IBDM_FAILURE */ static int ibdm_send_classportinfo(ibdm_dp_gidinfo_t *gid_info) { ibmf_msg_t *msg; ib_mad_hdr_t *hdr; ibdm_timeout_cb_args_t *cb_args; IBTF_DPRINTF_L4("ibdm", "\tsend_classportinfo: gid info 0x%p", gid_info); /* * Send command to get classportinfo attribute. Allocate a IBMF * packet and initialize the packet. */ if (ibmf_alloc_msg(gid_info->gl_ibmf_hdl, IBMF_ALLOC_SLEEP, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tsend_classportinfo: pkt alloc fail"); return (IBDM_FAILURE); } _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*msg)) ibdm_alloc_send_buffers(msg); _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*msg)) msg->im_local_addr.ia_local_lid = gid_info->gl_slid; msg->im_local_addr.ia_remote_lid = gid_info->gl_dlid; msg->im_local_addr.ia_remote_qno = 1; msg->im_local_addr.ia_p_key = gid_info->gl_p_key; msg->im_local_addr.ia_q_key = IB_GSI_QKEY; msg->im_local_addr.ia_service_level = gid_info->gl_SL; hdr = IBDM_OUT_IBMFMSG_MADHDR(msg); hdr->BaseVersion = MAD_CLASS_BASE_VERS_1; hdr->MgmtClass = MAD_MGMT_CLASS_DEV_MGT; hdr->ClassVersion = IB_DM_CLASS_VERSION_1; hdr->R_Method = IB_DM_DEVMGT_METHOD_GET; hdr->Status = 0; hdr->TransactionID = h2b64(gid_info->gl_transactionID); hdr->AttributeID = h2b16(IB_DM_ATTR_CLASSPORTINFO); hdr->AttributeModifier = 0; cb_args = &gid_info->gl_cpi_cb_args; cb_args->cb_gid_info = gid_info; cb_args->cb_retry_count = ibdm_dft_retry_cnt; cb_args->cb_req_type = IBDM_REQ_TYPE_CLASSPORTINFO; mutex_enter(&gid_info->gl_mutex); gid_info->gl_timeout_id = timeout(ibdm_pkt_timeout_hdlr, cb_args, IBDM_TIMEOUT_VALUE(ibdm_dft_timeout)); mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\tsend_classportinfo: " "timeout id %x", gid_info->gl_timeout_id); if (ibmf_msg_transport(gid_info->gl_ibmf_hdl, gid_info->gl_qp_hdl, msg, NULL, ibdm_ibmf_send_cb, cb_args, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tsend_classportinfo: ibmf send failed"); ibdm_ibmf_send_cb(gid_info->gl_ibmf_hdl, msg, cb_args); } return (IBDM_SUCCESS); } /* * ibdm_handle_setclassportinfo() * Invoked by the IBMF when setClassPortInfo request is completed. */ static void ibdm_handle_setclassportinfo(ibmf_handle_t ibmf_hdl, ibmf_msg_t *msg, ibdm_dp_gidinfo_t *gid_info, int *flag) { void *data; timeout_id_t timeout_id; ib_mad_classportinfo_t *cpi; IBTF_DPRINTF_L4("ibdm", "\thandle_setclassportinfo:ibmf hdl " "%p msg %p gid info %p", ibmf_hdl, msg, gid_info); if (IBDM_IN_IBMFMSG_ATTR(msg) != IB_DM_ATTR_CLASSPORTINFO) { IBTF_DPRINTF_L4("ibdm", "\thandle_setclassportinfo: " "Not a ClassPortInfo resp"); *flag |= IBDM_IBMF_PKT_UNEXP_RESP; return; } /* * Verify whether timeout handler is created/active. * If created/ active, cancel the timeout handler */ mutex_enter(&gid_info->gl_mutex); if (gid_info->gl_state != IBDM_SET_CLASSPORTINFO) { IBTF_DPRINTF_L2("ibdm", "\thandle_setclassportinfo:DUP resp"); *flag |= IBDM_IBMF_PKT_DUP_RESP; mutex_exit(&gid_info->gl_mutex); return; } ibdm_bump_transactionID(gid_info); gid_info->gl_iou_cb_args.cb_req_type = 0; if (gid_info->gl_timeout_id) { timeout_id = gid_info->gl_timeout_id; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "handle_setlassportinfo: " "gl_timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "handle_setclassportinfo: " "untimeout gl_timeout_id failed"); } mutex_enter(&gid_info->gl_mutex); gid_info->gl_timeout_id = 0; } mutex_exit(&gid_info->gl_mutex); data = msg->im_msgbufs_recv.im_bufs_cl_data; cpi = (ib_mad_classportinfo_t *)data; ibdm_dump_classportinfo(cpi); } /* * ibdm_handle_classportinfo() * Invoked by the IBMF when the classportinfo request is completed. */ static void ibdm_handle_classportinfo(ibmf_handle_t ibmf_hdl, ibmf_msg_t *msg, ibdm_dp_gidinfo_t *gid_info, int *flag) { void *data; timeout_id_t timeout_id; ib_mad_hdr_t *hdr; ib_mad_classportinfo_t *cpi; IBTF_DPRINTF_L4("ibdm", "\thandle_classportinfo:ibmf hdl " "%p msg %p gid info %p", ibmf_hdl, msg, gid_info); if (IBDM_IN_IBMFMSG_ATTR(msg) != IB_DM_ATTR_CLASSPORTINFO) { IBTF_DPRINTF_L4("ibdm", "\thandle_classportinfo: " "Not a ClassPortInfo resp"); *flag |= IBDM_IBMF_PKT_UNEXP_RESP; return; } /* * Verify whether timeout handler is created/active. * If created/ active, cancel the timeout handler */ mutex_enter(&gid_info->gl_mutex); ibdm_bump_transactionID(gid_info); if (gid_info->gl_state != IBDM_GET_CLASSPORTINFO) { IBTF_DPRINTF_L2("ibdm", "\thandle_classportinfo:DUP resp"); *flag |= IBDM_IBMF_PKT_DUP_RESP; mutex_exit(&gid_info->gl_mutex); return; } gid_info->gl_iou_cb_args.cb_req_type = 0; if (gid_info->gl_timeout_id) { timeout_id = gid_info->gl_timeout_id; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "handle_ioclassportinfo: " "gl_timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "handle_classportinfo: " "untimeout gl_timeout_id failed"); } mutex_enter(&gid_info->gl_mutex); gid_info->gl_timeout_id = 0; } gid_info->gl_state = IBDM_GET_IOUNITINFO; gid_info->gl_pending_cmds++; mutex_exit(&gid_info->gl_mutex); data = msg->im_msgbufs_recv.im_bufs_cl_data; cpi = (ib_mad_classportinfo_t *)data; /* * Cache the "RespTimeValue" and redirection information in the * global gid list data structure. This cached information will * be used to send any further requests to the GID. */ gid_info->gl_resp_timeout = (b2h32(cpi->RespTimeValue) & 0x1F); gid_info->gl_redirected = ((IBDM_IN_IBMFMSG_STATUS(msg) & MAD_STATUS_REDIRECT_REQUIRED) ? B_TRUE: B_FALSE); gid_info->gl_redirect_dlid = b2h16(cpi->RedirectLID); gid_info->gl_redirect_QP = (b2h32(cpi->RedirectQP) & 0xffffff); gid_info->gl_redirect_pkey = b2h16(cpi->RedirectP_Key); gid_info->gl_redirect_qkey = b2h32(cpi->RedirectQ_Key); gid_info->gl_redirectGID_hi = b2h64(cpi->RedirectGID_hi); gid_info->gl_redirectGID_lo = b2h64(cpi->RedirectGID_lo); gid_info->gl_redirectSL = cpi->RedirectSL; ibdm_dump_classportinfo(cpi); /* * Send IOUnitInfo request * Reuse previously allocated IBMF packet for sending ClassPortInfo * Check whether DM agent on the remote node requested redirection * If so, send the request to the redirect DGID/DLID/PKEY/QP. */ _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*msg)) ibdm_alloc_send_buffers(msg); _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*msg)) msg->im_local_addr.ia_local_lid = gid_info->gl_slid; msg->im_local_addr.ia_remote_lid = gid_info->gl_dlid; if (gid_info->gl_redirected == B_TRUE) { if (gid_info->gl_redirect_dlid != 0) { msg->im_local_addr.ia_remote_lid = gid_info->gl_redirect_dlid; } msg->im_local_addr.ia_remote_qno = gid_info->gl_redirect_QP; msg->im_local_addr.ia_p_key = gid_info->gl_redirect_pkey; msg->im_local_addr.ia_q_key = gid_info->gl_redirect_qkey; msg->im_local_addr.ia_service_level = gid_info->gl_redirectSL; } else { msg->im_local_addr.ia_remote_qno = 1; msg->im_local_addr.ia_p_key = gid_info->gl_p_key; msg->im_local_addr.ia_q_key = IB_GSI_QKEY; msg->im_local_addr.ia_service_level = gid_info->gl_SL; } hdr = IBDM_OUT_IBMFMSG_MADHDR(msg); hdr->BaseVersion = MAD_CLASS_BASE_VERS_1; hdr->MgmtClass = MAD_MGMT_CLASS_DEV_MGT; hdr->ClassVersion = IB_DM_CLASS_VERSION_1; hdr->R_Method = IB_DM_DEVMGT_METHOD_GET; hdr->Status = 0; hdr->TransactionID = h2b64(gid_info->gl_transactionID); hdr->AttributeID = h2b16(IB_DM_ATTR_IO_UNITINFO); hdr->AttributeModifier = 0; gid_info->gl_iou_cb_args.cb_req_type = IBDM_REQ_TYPE_IOUINFO; gid_info->gl_iou_cb_args.cb_gid_info = gid_info; gid_info->gl_iou_cb_args.cb_retry_count = ibdm_dft_retry_cnt; mutex_enter(&gid_info->gl_mutex); gid_info->gl_timeout_id = timeout(ibdm_pkt_timeout_hdlr, &gid_info->gl_iou_cb_args, IBDM_TIMEOUT_VALUE(ibdm_dft_timeout)); mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "handle_classportinfo:" "timeout %x", gid_info->gl_timeout_id); if (ibmf_msg_transport(ibmf_hdl, gid_info->gl_qp_hdl, msg, NULL, ibdm_ibmf_send_cb, &gid_info->gl_iou_cb_args, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\thandle_classportinfo: msg transport failed"); ibdm_ibmf_send_cb(ibmf_hdl, msg, &gid_info->gl_iou_cb_args); } (*flag) |= IBDM_IBMF_PKT_REUSED; } /* * ibdm_send_iounitinfo: * Sends a DM request to get IOU unitinfo. */ static int ibdm_send_iounitinfo(ibdm_dp_gidinfo_t *gid_info) { ibmf_msg_t *msg; ib_mad_hdr_t *hdr; IBTF_DPRINTF_L4("ibdm", "\tsend_iounitinfo: gid info 0x%p", gid_info); /* * Send command to get iounitinfo attribute. Allocate a IBMF * packet and initialize the packet. */ if (ibmf_alloc_msg(gid_info->gl_ibmf_hdl, IBMF_ALLOC_SLEEP, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tsend_iounitinfo: pkt alloc fail"); return (IBDM_FAILURE); } mutex_enter(&gid_info->gl_mutex); ibdm_bump_transactionID(gid_info); mutex_exit(&gid_info->gl_mutex); _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*msg)) ibdm_alloc_send_buffers(msg); _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*msg)) msg->im_local_addr.ia_local_lid = gid_info->gl_slid; msg->im_local_addr.ia_remote_lid = gid_info->gl_dlid; msg->im_local_addr.ia_remote_qno = 1; msg->im_local_addr.ia_p_key = gid_info->gl_p_key; msg->im_local_addr.ia_q_key = IB_GSI_QKEY; msg->im_local_addr.ia_service_level = gid_info->gl_SL; hdr = IBDM_OUT_IBMFMSG_MADHDR(msg); hdr->BaseVersion = MAD_CLASS_BASE_VERS_1; hdr->MgmtClass = MAD_MGMT_CLASS_DEV_MGT; hdr->ClassVersion = IB_DM_CLASS_VERSION_1; hdr->R_Method = IB_DM_DEVMGT_METHOD_GET; hdr->Status = 0; hdr->TransactionID = h2b64(gid_info->gl_transactionID); hdr->AttributeID = h2b16(IB_DM_ATTR_IO_UNITINFO); hdr->AttributeModifier = 0; gid_info->gl_iou_cb_args.cb_gid_info = gid_info; gid_info->gl_iou_cb_args.cb_retry_count = ibdm_dft_retry_cnt; gid_info->gl_iou_cb_args.cb_req_type = IBDM_REQ_TYPE_IOUINFO; mutex_enter(&gid_info->gl_mutex); gid_info->gl_timeout_id = timeout(ibdm_pkt_timeout_hdlr, &gid_info->gl_iou_cb_args, IBDM_TIMEOUT_VALUE(ibdm_dft_timeout)); mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "send_iouunitinfo:" "timeout %x", gid_info->gl_timeout_id); if (ibmf_msg_transport(gid_info->gl_ibmf_hdl, gid_info->gl_qp_hdl, msg, NULL, ibdm_ibmf_send_cb, &gid_info->gl_iou_cb_args, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tsend_iounitinfo: ibmf send failed"); ibdm_ibmf_send_cb(gid_info->gl_ibmf_hdl, msg, &gid_info->gl_iou_cb_args); } return (IBDM_SUCCESS); } /* * ibdm_handle_iounitinfo() * Invoked by the IBMF when IO Unitinfo request is completed. */ static void ibdm_handle_iounitinfo(ibmf_handle_t ibmf_hdl, ibmf_msg_t *msg, ibdm_dp_gidinfo_t *gid_info, int *flag) { int ii, first = B_TRUE; int num_iocs; size_t size; uchar_t slot_info; timeout_id_t timeout_id; ib_mad_hdr_t *hdr; ibdm_ioc_info_t *ioc_info; ib_dm_io_unitinfo_t *iou_info; ib_dm_io_unitinfo_t *giou_info; ibdm_timeout_cb_args_t *cb_args; IBTF_DPRINTF_L4("ibdm", "\thandle_iouintinfo:" " ibmf hdl %p pkt %p gid info %p", ibmf_hdl, msg, gid_info); if (IBDM_IN_IBMFMSG_ATTR(msg) != IB_DM_ATTR_IO_UNITINFO) { IBTF_DPRINTF_L4("ibdm", "\thandle_iounitinfo: " "Unexpected response"); (*flag) |= IBDM_IBMF_PKT_UNEXP_RESP; return; } mutex_enter(&gid_info->gl_mutex); if (gid_info->gl_state != IBDM_GET_IOUNITINFO) { IBTF_DPRINTF_L4("ibdm", "\thandle_iounitinfo: DUP resp"); mutex_exit(&gid_info->gl_mutex); (*flag) = IBDM_IBMF_PKT_DUP_RESP; return; } gid_info->gl_iou_cb_args.cb_req_type = 0; if (gid_info->gl_timeout_id) { timeout_id = gid_info->gl_timeout_id; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "handle_iounitinfo: " "gl_timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "handle_iounitinfo: " "untimeout gl_timeout_id failed"); } mutex_enter(&gid_info->gl_mutex); gid_info->gl_timeout_id = 0; } gid_info->gl_state = IBDM_GET_IOC_DETAILS; iou_info = IBDM_IN_IBMFMSG2IOU(msg); ibdm_dump_iounitinfo(iou_info); num_iocs = iou_info->iou_num_ctrl_slots; /* * check if number of IOCs reported is zero? if yes, return. * when num_iocs are reported zero internal IOC database needs * to be updated. To ensure that save the number of IOCs in * the new field "gl_num_iocs". Use a new field instead of * "giou_info->iou_num_ctrl_slots" as that would prevent * an unnecessary kmem_alloc/kmem_free when num_iocs is 0. */ if (num_iocs == 0 && gid_info->gl_num_iocs == 0) { IBTF_DPRINTF_L4("ibdm", "\thandle_iounitinfo: no IOC's"); mutex_exit(&gid_info->gl_mutex); return; } IBTF_DPRINTF_L4("ibdm", "\thandle_iounitinfo: num_iocs = %d", num_iocs); /* * if there is an existing gl_iou (IOU has been probed before) * check if the "iou_changeid" is same as saved entry in * "giou_info->iou_changeid". * (note: this logic can prevent IOC enumeration if a given * vendor doesn't support setting iou_changeid field for its IOU) * * if there is an existing gl_iou and iou_changeid has changed : * free up existing gl_iou info and its related structures. * reallocate gl_iou info all over again. * if we donot free this up; then this leads to memory leaks */ if (gid_info->gl_iou) { giou_info = &gid_info->gl_iou->iou_info; if (b2h16(iou_info->iou_changeid) == giou_info->iou_changeid) { IBTF_DPRINTF_L3("ibdm", "\thandle_iounitinfo: no IOCs changed"); gid_info->gl_state = IBDM_GID_PROBING_COMPLETE; mutex_exit(&gid_info->gl_mutex); return; } /* * Store the iou info as prev_iou to be used after * sweep is done. */ ASSERT(gid_info->gl_prev_iou == NULL); IBTF_DPRINTF_L4(ibdm_string, "\thandle_iounitinfo: setting gl_prev_iou %p", gid_info->gl_prev_iou); gid_info->gl_prev_iou = gid_info->gl_iou; ibdm.ibdm_prev_iou = 1; gid_info->gl_iou = NULL; } size = sizeof (ibdm_iou_info_t) + num_iocs * sizeof (ibdm_ioc_info_t); gid_info->gl_iou = (ibdm_iou_info_t *)kmem_zalloc(size, KM_SLEEP); giou_info = &gid_info->gl_iou->iou_info; gid_info->gl_iou->iou_ioc_info = (ibdm_ioc_info_t *) ((char *)gid_info->gl_iou + sizeof (ibdm_iou_info_t)); giou_info->iou_num_ctrl_slots = gid_info->gl_num_iocs = num_iocs; giou_info->iou_flag = iou_info->iou_flag; bcopy(iou_info->iou_ctrl_list, giou_info->iou_ctrl_list, 128); giou_info->iou_changeid = b2h16(iou_info->iou_changeid); gid_info->gl_pending_cmds++; /* for diag code */ mutex_exit(&gid_info->gl_mutex); if (ibdm_get_diagcode(gid_info, 0) != IBDM_SUCCESS) { mutex_enter(&gid_info->gl_mutex); gid_info->gl_pending_cmds--; mutex_exit(&gid_info->gl_mutex); } /* * Parallelize getting IOC controller profiles from here. * Allocate IBMF packets and send commands to get IOC profile for * each IOC present on the IOU. */ for (ii = 0; ii < num_iocs; ii++) { /* * Check whether IOC is present in the slot * Series of nibbles (in the field iou_ctrl_list) represents * a slot in the IOU. * Byte format: 76543210 * Bits 0-3 of first byte represent Slot 2 * bits 4-7 of first byte represent slot 1, * bits 0-3 of second byte represent slot 4 and so on * Each 4-bit nibble has the following meaning * 0x0 : IOC not installed * 0x1 : IOC is present * 0xf : Slot does not exist * and all other values are reserved. */ ioc_info = IBDM_GIDINFO2IOCINFO(gid_info, ii); slot_info = giou_info->iou_ctrl_list[(ii/2)]; if ((ii % 2) == 0) slot_info = (slot_info >> 4); if ((slot_info & 0xf) != 1) { IBTF_DPRINTF_L4("ibdm", "\thandle_iouintinfo: " "No IOC is present in the slot = %d", ii); ioc_info->ioc_state = IBDM_IOC_STATE_PROBE_FAILED; continue; } mutex_enter(&gid_info->gl_mutex); ibdm_bump_transactionID(gid_info); mutex_exit(&gid_info->gl_mutex); /* * Re use the already allocated packet (for IOUnitinfo) to * send the first IOC controller attribute. Allocate new * IBMF packets for the rest of the IOC's */ if (first != B_TRUE) { msg = NULL; if (ibmf_alloc_msg(ibmf_hdl, IBMF_ALLOC_SLEEP, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\thandle_iouintinfo: " "IBMF packet allocation failed"); continue; } } /* allocate send buffers for all messages */ _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*msg)) ibdm_alloc_send_buffers(msg); _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*msg)) msg->im_local_addr.ia_local_lid = gid_info->gl_slid; msg->im_local_addr.ia_remote_lid = gid_info->gl_dlid; if (gid_info->gl_redirected == B_TRUE) { if (gid_info->gl_redirect_dlid != 0) { msg->im_local_addr.ia_remote_lid = gid_info->gl_redirect_dlid; } msg->im_local_addr.ia_remote_qno = gid_info->gl_redirect_QP; msg->im_local_addr.ia_p_key = gid_info->gl_redirect_pkey; msg->im_local_addr.ia_q_key = gid_info->gl_redirect_qkey; msg->im_local_addr.ia_service_level = gid_info->gl_redirectSL; } else { msg->im_local_addr.ia_remote_qno = 1; msg->im_local_addr.ia_p_key = gid_info->gl_p_key; msg->im_local_addr.ia_q_key = IB_GSI_QKEY; msg->im_local_addr.ia_service_level = gid_info->gl_SL; } hdr = IBDM_OUT_IBMFMSG_MADHDR(msg); hdr->BaseVersion = MAD_CLASS_BASE_VERS_1; hdr->MgmtClass = MAD_MGMT_CLASS_DEV_MGT; hdr->ClassVersion = IB_DM_CLASS_VERSION_1; hdr->R_Method = IB_DM_DEVMGT_METHOD_GET; hdr->Status = 0; hdr->TransactionID = h2b64(gid_info->gl_transactionID); hdr->AttributeID = h2b16(IB_DM_ATTR_IOC_CTRL_PROFILE); hdr->AttributeModifier = h2b32(ii + 1); ioc_info->ioc_state = IBDM_IOC_STATE_PROBE_INVALID; cb_args = &ioc_info->ioc_cb_args; cb_args->cb_gid_info = gid_info; cb_args->cb_retry_count = ibdm_dft_retry_cnt; cb_args->cb_req_type = IBDM_REQ_TYPE_IOCINFO; cb_args->cb_ioc_num = ii; mutex_enter(&gid_info->gl_mutex); gid_info->gl_pending_cmds++; /* for diag code */ ioc_info->ioc_timeout_id = timeout(ibdm_pkt_timeout_hdlr, cb_args, IBDM_TIMEOUT_VALUE(ibdm_dft_timeout)); mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\thandle_iounitinfo:" "timeout 0x%x, ioc_num %d", ioc_info->ioc_timeout_id, ii); if (ibmf_msg_transport(ibmf_hdl, gid_info->gl_qp_hdl, msg, NULL, ibdm_ibmf_send_cb, cb_args, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\thandle_iounitinfo: msg transport failed"); ibdm_ibmf_send_cb(ibmf_hdl, msg, cb_args); } (*flag) |= IBDM_IBMF_PKT_REUSED; first = B_FALSE; gid_info->gl_iou->iou_niocs_probe_in_progress++; } } /* * ibdm_handle_ioc_profile() * Invoked by the IBMF when the IOCControllerProfile request * gets completed */ static void ibdm_handle_ioc_profile(ibmf_handle_t ibmf_hdl, ibmf_msg_t *msg, ibdm_dp_gidinfo_t *gid_info, int *flag) { int first = B_TRUE, reprobe = 0; uint_t ii, ioc_no, srv_start; uint_t nserv_entries; timeout_id_t timeout_id; ib_mad_hdr_t *hdr; ibdm_ioc_info_t *ioc_info; ibdm_timeout_cb_args_t *cb_args; ib_dm_ioc_ctrl_profile_t *ioc, *gioc; IBTF_DPRINTF_L4("ibdm", "\thandle_ioc_profile:" " ibmf hdl %p msg %p gid info %p", ibmf_hdl, msg, gid_info); ioc = IBDM_IN_IBMFMSG2IOC(msg); /* * Check whether we know this IOC already * This will return NULL if reprobe is in progress * IBDM_IOC_STATE_REPROBE_PROGRESS will be set. * Do not hold mutexes here. */ if (ibdm_is_ioc_present(ioc->ioc_guid, gid_info, flag) != NULL) { IBTF_DPRINTF_L4("ibdm", "\thandle_ioc_profile:" "IOC guid %llx is present", ioc->ioc_guid); return; } ioc_no = IBDM_IN_IBMFMSG_ATTRMOD(msg); IBTF_DPRINTF_L4("ibdm", "\thandle_ioc_profile: ioc_no = %d", ioc_no-1); /* Make sure that IOC index is with the valid range */ if (IBDM_IS_IOC_NUM_INVALID(ioc_no, gid_info)) { IBTF_DPRINTF_L2("ibdm", "\thandle_ioc_profile: " "IOC index Out of range, index %d", ioc); (*flag) |= IBDM_IBMF_PKT_UNEXP_RESP; return; } ioc_info = &gid_info->gl_iou->iou_ioc_info[ioc_no - 1]; ioc_info->ioc_iou_info = gid_info->gl_iou; mutex_enter(&gid_info->gl_mutex); if (ioc_info->ioc_state == IBDM_IOC_STATE_REPROBE_PROGRESS) { reprobe = 1; ioc_info->ioc_prev_serv = ioc_info->ioc_serv; ioc_info->ioc_serv = NULL; ioc_info->ioc_prev_serv_cnt = ioc_info->ioc_profile.ioc_service_entries; } else if (ioc_info->ioc_state != IBDM_IOC_STATE_PROBE_INVALID) { IBTF_DPRINTF_L2("ibdm", "\thandle_ioc_profile: DUP response" "ioc %d, ioc_state %x", ioc_no - 1, ioc_info->ioc_state); mutex_exit(&gid_info->gl_mutex); (*flag) |= IBDM_IBMF_PKT_DUP_RESP; return; } ioc_info->ioc_cb_args.cb_req_type = 0; if (ioc_info->ioc_timeout_id) { timeout_id = ioc_info->ioc_timeout_id; ioc_info->ioc_timeout_id = 0; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "handle_ioc_profile: " "ioc_timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "handle_ioc_profile: " "untimeout ioc_timeout_id failed"); } mutex_enter(&gid_info->gl_mutex); } ioc_info->ioc_state = IBDM_IOC_STATE_PROBE_SUCCESS; if (reprobe == 0) { ioc_info->ioc_iou_guid = gid_info->gl_nodeguid; ioc_info->ioc_nodeguid = gid_info->gl_nodeguid; } /* * Save all the IOC information in the global structures. * Note the wire format is Big Endian and the Sparc process also * big endian. So, there is no need to convert the data fields * The conversion routines used below are ineffective on Sparc * machines where as they will be effective on little endian * machines such as Intel processors. */ gioc = (ib_dm_ioc_ctrl_profile_t *)&ioc_info->ioc_profile; /* * Restrict updates to onlyport GIDs and service entries during reprobe */ if (reprobe == 0) { gioc->ioc_guid = b2h64(ioc->ioc_guid); gioc->ioc_vendorid = ((b2h32(ioc->ioc_vendorid) & IB_DM_VENDORID_MASK) >> IB_DM_VENDORID_SHIFT); gioc->ioc_deviceid = b2h32(ioc->ioc_deviceid); gioc->ioc_device_ver = b2h16(ioc->ioc_device_ver); gioc->ioc_subsys_vendorid = ((b2h32(ioc->ioc_subsys_vendorid) & IB_DM_VENDORID_MASK) >> IB_DM_VENDORID_SHIFT); gioc->ioc_subsys_id = b2h32(ioc->ioc_subsys_id); gioc->ioc_io_class = b2h16(ioc->ioc_io_class); gioc->ioc_io_subclass = b2h16(ioc->ioc_io_subclass); gioc->ioc_protocol = b2h16(ioc->ioc_protocol); gioc->ioc_protocol_ver = b2h16(ioc->ioc_protocol_ver); gioc->ioc_send_msg_qdepth = b2h16(ioc->ioc_send_msg_qdepth); gioc->ioc_rdma_read_qdepth = b2h16(ioc->ioc_rdma_read_qdepth); gioc->ioc_send_msg_sz = b2h32(ioc->ioc_send_msg_sz); gioc->ioc_rdma_xfer_sz = b2h32(ioc->ioc_rdma_xfer_sz); gioc->ioc_ctrl_opcap_mask = ioc->ioc_ctrl_opcap_mask; bcopy(ioc->ioc_id_string, gioc->ioc_id_string, IB_DM_IOC_ID_STRING_LEN); ioc_info->ioc_iou_diagcode = gid_info->gl_iou->iou_diagcode; ioc_info->ioc_iou_dc_valid = gid_info->gl_iou->iou_dc_valid; ioc_info->ioc_diagdeviceid = (IB_DM_IOU_DEVICEID_MASK & gid_info->gl_iou->iou_info.iou_flag) ? B_TRUE : B_FALSE; if (ioc_info->ioc_diagdeviceid == B_TRUE) { gid_info->gl_pending_cmds++; IBTF_DPRINTF_L3(ibdm_string, "\tibdm_handle_ioc_profile: " "%d: gid_info %p gl_state %d pending_cmds %d", __LINE__, gid_info, gid_info->gl_state, gid_info->gl_pending_cmds); } } gioc->ioc_service_entries = ioc->ioc_service_entries; mutex_exit(&gid_info->gl_mutex); ibdm_dump_ioc_profile(gioc); if ((ioc_info->ioc_diagdeviceid == B_TRUE) && (reprobe == 0)) { if (ibdm_get_diagcode(gid_info, ioc_no) != IBDM_SUCCESS) { mutex_enter(&gid_info->gl_mutex); gid_info->gl_pending_cmds--; mutex_exit(&gid_info->gl_mutex); } } ioc_info->ioc_serv = (ibdm_srvents_info_t *)kmem_zalloc( (gioc->ioc_service_entries * sizeof (ibdm_srvents_info_t)), KM_SLEEP); /* * In one single request, maximum number of requests that can be * obtained is 4. If number of service entries are more than four, * calculate number requests needed and send them parallelly. */ nserv_entries = ioc->ioc_service_entries; ii = 0; while (nserv_entries) { mutex_enter(&gid_info->gl_mutex); gid_info->gl_pending_cmds++; ibdm_bump_transactionID(gid_info); mutex_exit(&gid_info->gl_mutex); if (first != B_TRUE) { if (ibmf_alloc_msg(ibmf_hdl, IBMF_ALLOC_SLEEP, &msg) != IBMF_SUCCESS) { continue; } } _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*msg)) ibdm_alloc_send_buffers(msg); _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*msg)) msg->im_local_addr.ia_local_lid = gid_info->gl_slid; msg->im_local_addr.ia_remote_lid = gid_info->gl_dlid; if (gid_info->gl_redirected == B_TRUE) { if (gid_info->gl_redirect_dlid != 0) { msg->im_local_addr.ia_remote_lid = gid_info->gl_redirect_dlid; } msg->im_local_addr.ia_remote_qno = gid_info->gl_redirect_QP; msg->im_local_addr.ia_p_key = gid_info->gl_redirect_pkey; msg->im_local_addr.ia_q_key = gid_info->gl_redirect_qkey; msg->im_local_addr.ia_service_level = gid_info->gl_redirectSL; } else { msg->im_local_addr.ia_remote_qno = 1; msg->im_local_addr.ia_p_key = gid_info->gl_p_key; msg->im_local_addr.ia_q_key = IB_GSI_QKEY; msg->im_local_addr.ia_service_level = gid_info->gl_SL; } hdr = IBDM_OUT_IBMFMSG_MADHDR(msg); hdr->BaseVersion = MAD_CLASS_BASE_VERS_1; hdr->MgmtClass = MAD_MGMT_CLASS_DEV_MGT; hdr->ClassVersion = IB_DM_CLASS_VERSION_1; hdr->R_Method = IB_DM_DEVMGT_METHOD_GET; hdr->Status = 0; hdr->TransactionID = h2b64(gid_info->gl_transactionID); hdr->AttributeID = h2b16(IB_DM_ATTR_SERVICE_ENTRIES); srv_start = ii * 4; cb_args = &ioc_info->ioc_serv[srv_start].se_cb_args; cb_args->cb_gid_info = gid_info; cb_args->cb_retry_count = ibdm_dft_retry_cnt; cb_args->cb_req_type = IBDM_REQ_TYPE_SRVENTS; cb_args->cb_srvents_start = srv_start; cb_args->cb_ioc_num = ioc_no - 1; if (nserv_entries >= IBDM_MAX_SERV_ENTRIES_PER_REQ) { nserv_entries -= IBDM_MAX_SERV_ENTRIES_PER_REQ; cb_args->cb_srvents_end = (cb_args->cb_srvents_start + IBDM_MAX_SERV_ENTRIES_PER_REQ - 1); } else { cb_args->cb_srvents_end = (cb_args->cb_srvents_start + nserv_entries - 1); nserv_entries = 0; } _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*hdr)) ibdm_fill_srv_attr_mod(hdr, cb_args); _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*hdr)) mutex_enter(&gid_info->gl_mutex); ioc_info->ioc_serv[srv_start].se_timeout_id = timeout( ibdm_pkt_timeout_hdlr, cb_args, IBDM_TIMEOUT_VALUE(ibdm_dft_timeout)); mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\thandle_ioc_profile:" "timeout %x, ioc %d srv %d", ioc_info->ioc_serv[srv_start].se_timeout_id, ioc_no - 1, srv_start); if (ibmf_msg_transport(ibmf_hdl, gid_info->gl_qp_hdl, msg, NULL, ibdm_ibmf_send_cb, cb_args, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\thandle_ioc_profile: msg send failed"); ibdm_ibmf_send_cb(ibmf_hdl, msg, cb_args); } (*flag) |= IBDM_IBMF_PKT_REUSED; first = B_FALSE; ii++; } } /* * ibdm_handle_srventry_mad() */ static void ibdm_handle_srventry_mad(ibmf_msg_t *msg, ibdm_dp_gidinfo_t *gid_info, int *flag) { uint_t ii, ioc_no, attrmod; uint_t nentries, start, end; timeout_id_t timeout_id; ib_dm_srv_t *srv_ents; ibdm_ioc_info_t *ioc_info; ibdm_srvents_info_t *gsrv_ents; IBTF_DPRINTF_L4("ibdm", "\thandle_srventry_mad:" " IBMF msg %p gid info %p", msg, gid_info); srv_ents = IBDM_IN_IBMFMSG2SRVENT(msg); /* * Get the start and end index of the service entries * Upper 16 bits identify the IOC * Lower 16 bits specify the range of service entries * LSB specifies (Big endian) end of the range * MSB specifies (Big endian) start of the range */ attrmod = IBDM_IN_IBMFMSG_ATTRMOD(msg); ioc_no = ((attrmod >> 16) & IBDM_16_BIT_MASK); end = ((attrmod >> 8) & IBDM_8_BIT_MASK); start = (attrmod & IBDM_8_BIT_MASK); /* Make sure that IOC index is with the valid range */ if ((ioc_no < 1) | (ioc_no > gid_info->gl_iou->iou_info.iou_num_ctrl_slots)) { IBTF_DPRINTF_L2("ibdm", "\thandle_srventry_mad: " "IOC index Out of range, index %d", ioc_no); (*flag) |= IBDM_IBMF_PKT_UNEXP_RESP; return; } ioc_info = IBDM_GIDINFO2IOCINFO(gid_info, (ioc_no -1)); /* * Make sure that the "start" and "end" service indexes are * with in the valid range */ nentries = ioc_info->ioc_profile.ioc_service_entries; if ((start > end) | (start >= nentries) | (end >= nentries)) { IBTF_DPRINTF_L2("ibdm", "\thandle_srventry_mad: " "Attr modifier 0x%x, #Serv entries %d", attrmod, nentries); (*flag) |= IBDM_IBMF_PKT_UNEXP_RESP; return; } gsrv_ents = &ioc_info->ioc_serv[start]; mutex_enter(&gid_info->gl_mutex); if (gsrv_ents->se_state != IBDM_SE_INVALID) { IBTF_DPRINTF_L2("ibdm", "\thandle_srventry_mad: " "already known, ioc %d, srv %d, se_state %x", ioc_no - 1, start, gsrv_ents->se_state); mutex_exit(&gid_info->gl_mutex); (*flag) |= IBDM_IBMF_PKT_DUP_RESP; return; } ioc_info->ioc_serv[start].se_cb_args.cb_req_type = 0; if (ioc_info->ioc_serv[start].se_timeout_id) { IBTF_DPRINTF_L2("ibdm", "\thandle_srventry_mad: ioc %d start %d", ioc_no, start); timeout_id = ioc_info->ioc_serv[start].se_timeout_id; ioc_info->ioc_serv[start].se_timeout_id = 0; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "handle_srverntry_mad: " "se_timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "handle_srventry_mad: " "untimeout se_timeout_id failed"); } mutex_enter(&gid_info->gl_mutex); } gsrv_ents->se_state = IBDM_SE_VALID; mutex_exit(&gid_info->gl_mutex); for (ii = start; ii <= end; ii++, srv_ents++, gsrv_ents++) { gsrv_ents->se_attr.srv_id = b2h64(srv_ents->srv_id); bcopy(srv_ents->srv_name, gsrv_ents->se_attr.srv_name, IB_DM_MAX_SVC_NAME_LEN); ibdm_dump_service_entries(&gsrv_ents->se_attr); } } /* * ibdm_get_diagcode: * Send request to get IOU/IOC diag code * Returns IBDM_SUCCESS/IBDM_FAILURE */ static int ibdm_get_diagcode(ibdm_dp_gidinfo_t *gid_info, int attr) { ibmf_msg_t *msg; ib_mad_hdr_t *hdr; ibdm_ioc_info_t *ioc; ibdm_timeout_cb_args_t *cb_args; timeout_id_t *timeout_id; IBTF_DPRINTF_L4("ibdm", "\tget_diagcode: gid info %p, attr = %d", gid_info, attr); if (ibmf_alloc_msg(gid_info->gl_ibmf_hdl, IBMF_ALLOC_SLEEP, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tget_diagcode: pkt alloc fail"); return (IBDM_FAILURE); } _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*msg)) ibdm_alloc_send_buffers(msg); _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*msg)) mutex_enter(&gid_info->gl_mutex); ibdm_bump_transactionID(gid_info); mutex_exit(&gid_info->gl_mutex); msg->im_local_addr.ia_local_lid = gid_info->gl_slid; msg->im_local_addr.ia_remote_lid = gid_info->gl_dlid; if (gid_info->gl_redirected == B_TRUE) { if (gid_info->gl_redirect_dlid != 0) { msg->im_local_addr.ia_remote_lid = gid_info->gl_redirect_dlid; } msg->im_local_addr.ia_remote_qno = gid_info->gl_redirect_QP; msg->im_local_addr.ia_p_key = gid_info->gl_redirect_pkey; msg->im_local_addr.ia_q_key = gid_info->gl_redirect_qkey; msg->im_local_addr.ia_service_level = gid_info->gl_redirectSL; } else { msg->im_local_addr.ia_remote_qno = 1; msg->im_local_addr.ia_p_key = gid_info->gl_p_key; msg->im_local_addr.ia_q_key = IB_GSI_QKEY; msg->im_local_addr.ia_service_level = gid_info->gl_SL; } hdr = IBDM_OUT_IBMFMSG_MADHDR(msg); hdr->BaseVersion = MAD_CLASS_BASE_VERS_1; hdr->MgmtClass = MAD_MGMT_CLASS_DEV_MGT; hdr->ClassVersion = IB_DM_CLASS_VERSION_1; hdr->R_Method = IB_DM_DEVMGT_METHOD_GET; hdr->Status = 0; hdr->TransactionID = h2b64(gid_info->gl_transactionID); hdr->AttributeID = h2b16(IB_DM_ATTR_DIAG_CODE); hdr->AttributeModifier = h2b32(attr); if (attr == 0) { cb_args = &gid_info->gl_iou_cb_args; gid_info->gl_iou->iou_dc_valid = B_FALSE; cb_args->cb_ioc_num = 0; cb_args->cb_req_type = IBDM_REQ_TYPE_IOU_DIAGCODE; timeout_id = &gid_info->gl_timeout_id; } else { ioc = IBDM_GIDINFO2IOCINFO(gid_info, (attr - 1)); ioc->ioc_dc_valid = B_FALSE; cb_args = &ioc->ioc_dc_cb_args; cb_args->cb_ioc_num = attr - 1; cb_args->cb_req_type = IBDM_REQ_TYPE_IOC_DIAGCODE; timeout_id = &ioc->ioc_dc_timeout_id; } cb_args->cb_gid_info = gid_info; cb_args->cb_retry_count = ibdm_dft_retry_cnt; cb_args->cb_srvents_start = 0; mutex_enter(&gid_info->gl_mutex); *timeout_id = timeout(ibdm_pkt_timeout_hdlr, cb_args, IBDM_TIMEOUT_VALUE(ibdm_dft_timeout)); mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\tget_diagcode:" "timeout %x, ioc %d", *timeout_id, cb_args->cb_ioc_num); if (ibmf_msg_transport(gid_info->gl_ibmf_hdl, gid_info->gl_qp_hdl, msg, NULL, ibdm_ibmf_send_cb, cb_args, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tget_diagcode: ibmf send failed"); ibdm_ibmf_send_cb(gid_info->gl_ibmf_hdl, msg, cb_args); } return (IBDM_SUCCESS); } /* * ibdm_handle_diagcode: * Process the DiagCode MAD response and update local DM * data structure. */ static void ibdm_handle_diagcode(ibmf_msg_t *ibmf_msg, ibdm_dp_gidinfo_t *gid_info, int *flag) { uint16_t attrmod, *diagcode; ibdm_iou_info_t *iou; ibdm_ioc_info_t *ioc; timeout_id_t timeout_id; ibdm_timeout_cb_args_t *cb_args; diagcode = (uint16_t *)ibmf_msg->im_msgbufs_recv.im_bufs_cl_data; mutex_enter(&gid_info->gl_mutex); attrmod = IBDM_IN_IBMFMSG_ATTRMOD(ibmf_msg); iou = gid_info->gl_iou; if (attrmod == 0) { if (iou->iou_dc_valid != B_FALSE) { (*flag) |= IBDM_IBMF_PKT_DUP_RESP; IBTF_DPRINTF_L4("ibdm", "\thandle_diagcode: Duplicate IOU DiagCode"); mutex_exit(&gid_info->gl_mutex); return; } cb_args = &gid_info->gl_iou_cb_args; cb_args->cb_req_type = 0; iou->iou_diagcode = b2h16(*diagcode); iou->iou_dc_valid = B_TRUE; if (gid_info->gl_timeout_id) { timeout_id = gid_info->gl_timeout_id; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\thandle_diagcode: " "gl_timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "handle_diagcode: " "untimeout gl_timeout_id failed"); } mutex_enter(&gid_info->gl_mutex); gid_info->gl_timeout_id = 0; } } else { ioc = IBDM_GIDINFO2IOCINFO(gid_info, (attrmod - 1)); if (ioc->ioc_dc_valid != B_FALSE) { (*flag) |= IBDM_IBMF_PKT_DUP_RESP; IBTF_DPRINTF_L4("ibdm", "\thandle_diagcode: Duplicate IOC DiagCode"); mutex_exit(&gid_info->gl_mutex); return; } cb_args = &ioc->ioc_dc_cb_args; cb_args->cb_req_type = 0; ioc->ioc_diagcode = b2h16(*diagcode); ioc->ioc_dc_valid = B_TRUE; timeout_id = iou->iou_ioc_info[attrmod - 1].ioc_dc_timeout_id; if (timeout_id) { iou->iou_ioc_info[attrmod - 1].ioc_dc_timeout_id = 0; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "handle_diagcode: " "timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "\thandle_diagcode: " "untimeout ioc_dc_timeout_id failed"); } mutex_enter(&gid_info->gl_mutex); } } mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L4("ibdm", "\thandle_diagcode: DiagCode : 0x%x" "attrmod : 0x%x", b2h16(*diagcode), attrmod); } /* * ibdm_is_ioc_present() * Return ibdm_ioc_info_t if IOC guid is found in the global gid list */ static ibdm_ioc_info_t * ibdm_is_ioc_present(ib_guid_t ioc_guid, ibdm_dp_gidinfo_t *gid_info, int *flag) { int ii; ibdm_ioc_info_t *ioc; ibdm_dp_gidinfo_t *head; ib_dm_io_unitinfo_t *iou; mutex_enter(&ibdm.ibdm_mutex); head = ibdm.ibdm_dp_gidlist_head; while (head) { mutex_enter(&head->gl_mutex); if (head->gl_iou == NULL) { mutex_exit(&head->gl_mutex); head = head->gl_next; continue; } iou = &head->gl_iou->iou_info; for (ii = 0; ii < iou->iou_num_ctrl_slots; ii++) { ioc = IBDM_GIDINFO2IOCINFO(head, ii); if ((ioc->ioc_state == IBDM_IOC_STATE_PROBE_SUCCESS) && (ioc->ioc_profile.ioc_guid == ioc_guid)) { if (gid_info == head) { *flag |= IBDM_IBMF_PKT_DUP_RESP; } else if (ibdm_check_dgid(head->gl_dgid_lo, head->gl_dgid_hi) != NULL) { IBTF_DPRINTF_L4("ibdm", "\tis_ioc_" "present: gid not present"); ibdm_add_to_gl_gid(gid_info, head); } mutex_exit(&head->gl_mutex); mutex_exit(&ibdm.ibdm_mutex); return (ioc); } } mutex_exit(&head->gl_mutex); head = head->gl_next; } mutex_exit(&ibdm.ibdm_mutex); return (NULL); } /* * ibdm_ibmf_send_cb() * IBMF invokes this callback routine after posting the DM MAD to * the HCA. */ /*ARGSUSED*/ static void ibdm_ibmf_send_cb(ibmf_handle_t ibmf_hdl, ibmf_msg_t *ibmf_msg, void *arg) { ibdm_dump_ibmf_msg(ibmf_msg, 1); ibdm_free_send_buffers(ibmf_msg); if (ibmf_free_msg(ibmf_hdl, &ibmf_msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tibmf_send_cb: IBMF free msg failed"); } } /* * ibdm_ibmf_recv_cb() * Invoked by the IBMF when a response to the one of the DM requests * is received. */ /*ARGSUSED*/ static void ibdm_ibmf_recv_cb(ibmf_handle_t ibmf_hdl, ibmf_msg_t *msg, void *arg) { ibdm_taskq_args_t *taskq_args; /* * If the taskq enable is set then dispatch a taskq to process * the MAD, otherwise just process it on this thread */ if (ibdm_taskq_enable != IBDM_ENABLE_TASKQ_HANDLING) { ibdm_process_incoming_mad(ibmf_hdl, msg, arg); return; } /* * create a taskq and dispatch it to process the incoming MAD */ taskq_args = kmem_alloc(sizeof (ibdm_taskq_args_t), KM_NOSLEEP); if (taskq_args == NULL) { IBTF_DPRINTF_L2("ibdm", "ibmf_recv_cb: kmem_alloc failed for" "taskq_args"); if (ibmf_free_msg(ibmf_hdl, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibmf_recv_cb", "\tibmf_recv_cb: IBMF free msg failed"); } return; } taskq_args->tq_ibmf_handle = ibmf_hdl; taskq_args->tq_ibmf_msg = msg; taskq_args->tq_args = arg; if (taskq_dispatch(system_taskq, ibdm_recv_incoming_mad, taskq_args, TQ_NOSLEEP) == 0) { IBTF_DPRINTF_L2("ibdm", "ibmf_recv_cb: taskq_dispatch failed"); if (ibmf_free_msg(ibmf_hdl, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibmf_recv_cb", "\tibmf_recv_cb: IBMF free msg failed"); } kmem_free(taskq_args, sizeof (ibdm_taskq_args_t)); return; } /* taskq_args are deleted in ibdm_recv_incoming_mad() */ } void ibdm_recv_incoming_mad(void *args) { ibdm_taskq_args_t *taskq_args; taskq_args = (ibdm_taskq_args_t *)args; IBTF_DPRINTF_L4("ibdm", "\tibdm_recv_incoming_mad: " "Processing incoming MAD via taskq"); ibdm_process_incoming_mad(taskq_args->tq_ibmf_handle, taskq_args->tq_ibmf_msg, taskq_args->tq_args); kmem_free(taskq_args, sizeof (ibdm_taskq_args_t)); } /* * Calls ibdm_process_incoming_mad with all function arguments extracted * from args */ /*ARGSUSED*/ static void ibdm_process_incoming_mad(ibmf_handle_t ibmf_hdl, ibmf_msg_t *msg, void *arg) { int flag = 0; int ret; uint64_t transaction_id; ib_mad_hdr_t *hdr; ibdm_dp_gidinfo_t *gid_info = NULL; IBTF_DPRINTF_L4("ibdm", "\tprocess_incoming_mad: ibmf hdl %p pkt %p", ibmf_hdl, msg); ibdm_dump_ibmf_msg(msg, 0); /* * IBMF calls this routine for every DM MAD that arrives at this port. * But we handle only the responses for requests we sent. We drop all * the DM packets that does not have response bit set in the MAD * header(this eliminates all the requests sent to this port). * We handle only DM class version 1 MAD's */ hdr = IBDM_IN_IBMFMSG_MADHDR(msg); if (ibdm_verify_mad_status(hdr) != IBDM_SUCCESS) { if (ibmf_free_msg(ibmf_hdl, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tprocess_incoming_mad: " "IBMF free msg failed DM request drop it"); } return; } transaction_id = b2h64(hdr->TransactionID); mutex_enter(&ibdm.ibdm_mutex); gid_info = ibdm.ibdm_dp_gidlist_head; while (gid_info) { if ((gid_info->gl_transactionID & IBDM_GID_TRANSACTIONID_MASK) == (transaction_id & IBDM_GID_TRANSACTIONID_MASK)) break; gid_info = gid_info->gl_next; } mutex_exit(&ibdm.ibdm_mutex); if (gid_info == NULL) { /* Drop the packet */ IBTF_DPRINTF_L2("ibdm", "process_incoming_mad: transaction ID" " does not match: 0x%llx", transaction_id); if (ibmf_free_msg(ibmf_hdl, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "process_incoming_mad: " "IBMF free msg failed DM request drop it"); } return; } /* Handle redirection for all the MAD's, except ClassPortInfo */ if (((IBDM_IN_IBMFMSG_STATUS(msg) & MAD_STATUS_REDIRECT_REQUIRED)) && (IBDM_IN_IBMFMSG_ATTR(msg) != IB_DM_ATTR_CLASSPORTINFO)) { ret = ibdm_handle_redirection(msg, gid_info, &flag); if (ret == IBDM_SUCCESS) { return; } } else { uint_t gl_state; mutex_enter(&gid_info->gl_mutex); gl_state = gid_info->gl_state; mutex_exit(&gid_info->gl_mutex); switch (gl_state) { case IBDM_SET_CLASSPORTINFO: ibdm_handle_setclassportinfo( ibmf_hdl, msg, gid_info, &flag); break; case IBDM_GET_CLASSPORTINFO: ibdm_handle_classportinfo( ibmf_hdl, msg, gid_info, &flag); break; case IBDM_GET_IOUNITINFO: ibdm_handle_iounitinfo(ibmf_hdl, msg, gid_info, &flag); break; case IBDM_GET_IOC_DETAILS: switch (IBDM_IN_IBMFMSG_ATTR(msg)) { case IB_DM_ATTR_SERVICE_ENTRIES: ibdm_handle_srventry_mad(msg, gid_info, &flag); break; case IB_DM_ATTR_IOC_CTRL_PROFILE: ibdm_handle_ioc_profile( ibmf_hdl, msg, gid_info, &flag); break; case IB_DM_ATTR_DIAG_CODE: ibdm_handle_diagcode(msg, gid_info, &flag); break; default: IBTF_DPRINTF_L2("ibdm", "process_incoming_mad: " "Error state, wrong attribute :-("); (void) ibmf_free_msg(ibmf_hdl, &msg); return; } break; default: IBTF_DPRINTF_L2("ibdm", "process_incoming_mad: Dropping the packet" " gl_state %x", gl_state); if (ibmf_free_msg(ibmf_hdl, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "process_incoming_mad: " "IBMF free msg failed DM request drop it"); } return; } } if ((flag & IBDM_IBMF_PKT_DUP_RESP) || (flag & IBDM_IBMF_PKT_UNEXP_RESP)) { IBTF_DPRINTF_L2("ibdm", "\tprocess_incoming_mad:Dup/unexp resp : 0x%x", flag); if (ibmf_free_msg(ibmf_hdl, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "process_incoming_mad: " "IBMF free msg failed DM request drop it"); } return; } mutex_enter(&gid_info->gl_mutex); if (gid_info->gl_pending_cmds < 1) { IBTF_DPRINTF_L2("ibdm", "\tprocess_incoming_mad: pending commands negative"); } if (--gid_info->gl_pending_cmds) { IBTF_DPRINTF_L4("ibdm", "\tprocess_incoming_mad: " "gid_info %p pending cmds %d", gid_info, gid_info->gl_pending_cmds); mutex_exit(&gid_info->gl_mutex); } else { uint_t prev_state; IBTF_DPRINTF_L4("ibdm", "\tprocess_incoming_mad: Probing DONE"); prev_state = gid_info->gl_state; gid_info->gl_state = IBDM_GID_PROBING_COMPLETE; if (prev_state == IBDM_SET_CLASSPORTINFO) { IBTF_DPRINTF_L4("ibdm", "\tprocess_incoming_mad: " "Setclassportinfo for Cisco FC GW is done."); gid_info->gl_flag &= ~IBDM_CISCO_PROBE; gid_info->gl_flag |= IBDM_CISCO_PROBE_DONE; mutex_exit(&gid_info->gl_mutex); cv_broadcast(&gid_info->gl_probe_cv); } else { mutex_exit(&gid_info->gl_mutex); ibdm_notify_newgid_iocs(gid_info); mutex_enter(&ibdm.ibdm_mutex); if (--ibdm.ibdm_ngid_probes_in_progress == 0) { IBTF_DPRINTF_L4("ibdm", "\tprocess_incoming_mad: Wakeup"); ibdm.ibdm_busy &= ~IBDM_PROBE_IN_PROGRESS; cv_broadcast(&ibdm.ibdm_probe_cv); } mutex_exit(&ibdm.ibdm_mutex); } } /* * Do not deallocate the IBMF packet if atleast one request * is posted. IBMF packet is reused. */ if (!(flag & IBDM_IBMF_PKT_REUSED)) { if (ibmf_free_msg(ibmf_hdl, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tprocess_incoming_mad: " "IBMF free msg failed DM request drop it"); } } } /* * ibdm_verify_mad_status() * Verifies the MAD status * Returns IBDM_SUCCESS if status is correct * Returns IBDM_FAILURE for bogus MAD status */ static int ibdm_verify_mad_status(ib_mad_hdr_t *hdr) { int ret = 0; if ((hdr->R_Method != IB_DM_DEVMGT_METHOD_GET_RESP) || (hdr->ClassVersion != IB_DM_CLASS_VERSION_1)) { return (IBDM_FAILURE); } if (b2h16(hdr->Status) == 0) ret = IBDM_SUCCESS; else if ((b2h16(hdr->Status) & 0x1f) == MAD_STATUS_REDIRECT_REQUIRED) ret = IBDM_SUCCESS; else { IBTF_DPRINTF_L2("ibdm", "\tverify_mad_status: Status : 0x%x", b2h16(hdr->Status)); ret = IBDM_FAILURE; } return (ret); } /* * ibdm_handle_redirection() * Returns IBDM_SUCCESS/IBDM_FAILURE */ static int ibdm_handle_redirection(ibmf_msg_t *msg, ibdm_dp_gidinfo_t *gid_info, int *flag) { int attrmod, ioc_no, start; void *data; timeout_id_t *timeout_id; ib_mad_hdr_t *hdr; ibdm_ioc_info_t *ioc = NULL; ibdm_timeout_cb_args_t *cb_args; ib_mad_classportinfo_t *cpi; IBTF_DPRINTF_L4("ibdm", "\thandle_redirection: Enter"); mutex_enter(&gid_info->gl_mutex); switch (gid_info->gl_state) { case IBDM_GET_IOUNITINFO: cb_args = &gid_info->gl_iou_cb_args; timeout_id = &gid_info->gl_timeout_id; break; case IBDM_GET_IOC_DETAILS: attrmod = IBDM_IN_IBMFMSG_ATTRMOD(msg); switch (IBDM_IN_IBMFMSG_ATTR(msg)) { case IB_DM_ATTR_DIAG_CODE: if (attrmod == 0) { cb_args = &gid_info->gl_iou_cb_args; timeout_id = &gid_info->gl_timeout_id; break; } if (IBDM_IS_IOC_NUM_INVALID(attrmod, gid_info)) { IBTF_DPRINTF_L2("ibdm", "\thandle_redirction:" "IOC# Out of range %d", attrmod); (*flag) |= IBDM_IBMF_PKT_UNEXP_RESP; mutex_exit(&gid_info->gl_mutex); return (IBDM_FAILURE); } ioc = IBDM_GIDINFO2IOCINFO(gid_info, (attrmod -1)); cb_args = &ioc->ioc_dc_cb_args; timeout_id = &ioc->ioc_dc_timeout_id; break; case IB_DM_ATTR_IOC_CTRL_PROFILE: if (IBDM_IS_IOC_NUM_INVALID(attrmod, gid_info)) { IBTF_DPRINTF_L2("ibdm", "\thandle_redirction:" "IOC# Out of range %d", attrmod); (*flag) |= IBDM_IBMF_PKT_UNEXP_RESP; mutex_exit(&gid_info->gl_mutex); return (IBDM_FAILURE); } ioc = IBDM_GIDINFO2IOCINFO(gid_info, (attrmod -1)); cb_args = &ioc->ioc_cb_args; timeout_id = &ioc->ioc_timeout_id; break; case IB_DM_ATTR_SERVICE_ENTRIES: ioc_no = ((attrmod >> 16) & IBDM_16_BIT_MASK); if (IBDM_IS_IOC_NUM_INVALID(ioc_no, gid_info)) { IBTF_DPRINTF_L2("ibdm", "\thandle_redirction:" "IOC# Out of range %d", ioc_no); (*flag) |= IBDM_IBMF_PKT_UNEXP_RESP; mutex_exit(&gid_info->gl_mutex); return (IBDM_FAILURE); } start = (attrmod & IBDM_8_BIT_MASK); ioc = IBDM_GIDINFO2IOCINFO(gid_info, (ioc_no -1)); if (start > ioc->ioc_profile.ioc_service_entries) { IBTF_DPRINTF_L2("ibdm", "\thandle_redirction:" " SE index Out of range %d", start); (*flag) |= IBDM_IBMF_PKT_UNEXP_RESP; mutex_exit(&gid_info->gl_mutex); return (IBDM_FAILURE); } cb_args = &ioc->ioc_serv[start].se_cb_args; timeout_id = &ioc->ioc_serv[start].se_timeout_id; break; default: /* ERROR State */ IBTF_DPRINTF_L2("ibdm", "\thandle_redirection: wrong attribute :-("); (*flag) |= IBDM_IBMF_PKT_UNEXP_RESP; mutex_exit(&gid_info->gl_mutex); return (IBDM_FAILURE); } break; default: /* ERROR State */ IBTF_DPRINTF_L2("ibdm", "\thandle_redirection: Error state :-("); (*flag) |= IBDM_IBMF_PKT_UNEXP_RESP; mutex_exit(&gid_info->gl_mutex); return (IBDM_FAILURE); } if ((*timeout_id) != 0) { mutex_exit(&gid_info->gl_mutex); if (untimeout(*timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "\thandle_redirection: " "untimeout failed %x", *timeout_id); } else { IBTF_DPRINTF_L5("ibdm", "\thandle_redirection: timeout %x", *timeout_id); } mutex_enter(&gid_info->gl_mutex); *timeout_id = 0; } data = msg->im_msgbufs_recv.im_bufs_cl_data; cpi = (ib_mad_classportinfo_t *)data; gid_info->gl_resp_timeout = (b2h32(cpi->RespTimeValue) & 0x1F); gid_info->gl_redirected = B_TRUE; gid_info->gl_redirect_dlid = b2h16(cpi->RedirectLID); gid_info->gl_redirect_QP = (b2h32(cpi->RedirectQP) & 0xffffff); gid_info->gl_redirect_pkey = b2h16(cpi->RedirectP_Key); gid_info->gl_redirect_qkey = b2h32(cpi->RedirectQ_Key); gid_info->gl_redirectGID_hi = b2h64(cpi->RedirectGID_hi); gid_info->gl_redirectGID_lo = b2h64(cpi->RedirectGID_lo); gid_info->gl_redirectSL = cpi->RedirectSL; if (gid_info->gl_redirect_dlid != 0) { msg->im_local_addr.ia_remote_lid = gid_info->gl_redirect_dlid; } ibdm_bump_transactionID(gid_info); mutex_exit(&gid_info->gl_mutex); _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*msg, *hdr)) ibdm_alloc_send_buffers(msg); hdr = IBDM_OUT_IBMFMSG_MADHDR(msg); hdr->BaseVersion = MAD_CLASS_BASE_VERS_1; hdr->MgmtClass = MAD_MGMT_CLASS_DEV_MGT; hdr->ClassVersion = IB_DM_CLASS_VERSION_1; hdr->R_Method = IB_DM_DEVMGT_METHOD_GET; hdr->Status = 0; hdr->TransactionID = h2b64(gid_info->gl_transactionID); hdr->AttributeID = msg->im_msgbufs_recv.im_bufs_mad_hdr->AttributeID; hdr->AttributeModifier = msg->im_msgbufs_recv.im_bufs_mad_hdr->AttributeModifier; _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*msg, *hdr)) msg->im_local_addr.ia_remote_qno = gid_info->gl_redirect_QP; msg->im_local_addr.ia_p_key = gid_info->gl_redirect_pkey; msg->im_local_addr.ia_q_key = gid_info->gl_redirect_qkey; msg->im_local_addr.ia_service_level = gid_info->gl_redirectSL; mutex_enter(&gid_info->gl_mutex); *timeout_id = timeout(ibdm_pkt_timeout_hdlr, cb_args, IBDM_TIMEOUT_VALUE(ibdm_dft_timeout)); mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\thandle_redirect:" "timeout %x", *timeout_id); if (ibmf_msg_transport(gid_info->gl_ibmf_hdl, gid_info->gl_qp_hdl, msg, NULL, ibdm_ibmf_send_cb, cb_args, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\thandle_redirection:" "message transport failed"); ibdm_ibmf_send_cb(gid_info->gl_ibmf_hdl, msg, cb_args); } (*flag) |= IBDM_IBMF_PKT_REUSED; IBTF_DPRINTF_L4("ibdm", "\thandle_redirection: Exit"); return (IBDM_SUCCESS); } /* * ibdm_pkt_timeout_hdlr * This timeout handler is registed for every IBMF packet that is * sent through the IBMF. It gets called when no response is received * within the specified time for the packet. No retries for the failed * commands currently. Drops the failed IBMF packet and update the * pending list commands. */ static void ibdm_pkt_timeout_hdlr(void *arg) { ibdm_iou_info_t *iou; ibdm_ioc_info_t *ioc; ibdm_timeout_cb_args_t *cb_args = arg; ibdm_dp_gidinfo_t *gid_info; int srv_ent; uint_t new_gl_state; IBTF_DPRINTF_L2("ibdm", "\tpkt_timeout_hdlr: gid_info: %p " "rtype 0x%x iocidx 0x%x srvidx %d", cb_args->cb_gid_info, cb_args->cb_req_type, cb_args->cb_ioc_num, cb_args->cb_srvents_start); gid_info = cb_args->cb_gid_info; mutex_enter(&gid_info->gl_mutex); if ((gid_info->gl_state == IBDM_GID_PROBING_COMPLETE) || (cb_args->cb_req_type == 0)) { IBTF_DPRINTF_L2("ibdm", "\tpkt_timeout_hdlr: req completed" "rtype 0x%x iocidx 0x%x srvidx %d", cb_args->cb_req_type, cb_args->cb_ioc_num, cb_args->cb_srvents_start); if (gid_info->gl_timeout_id) gid_info->gl_timeout_id = 0; mutex_exit(&gid_info->gl_mutex); return; } if (cb_args->cb_retry_count) { cb_args->cb_retry_count--; /* * A new timeout_id is set inside ibdm_retry_command(). * When the function returns an error, the timeout_id * is reset (to zero) in the switch statement below. */ if (ibdm_retry_command(cb_args) == IBDM_SUCCESS) { mutex_exit(&gid_info->gl_mutex); return; } cb_args->cb_retry_count = 0; } IBTF_DPRINTF_L2("ibdm", "\tpkt_timeout_hdlr: command failed: gid %p" " rtype 0x%x iocidx 0x%x srvidx %d", cb_args->cb_gid_info, cb_args->cb_req_type, cb_args->cb_ioc_num, cb_args->cb_srvents_start); switch (cb_args->cb_req_type) { case IBDM_REQ_TYPE_CLASSPORTINFO: case IBDM_REQ_TYPE_IOUINFO: new_gl_state = IBDM_GID_PROBING_FAILED; if (gid_info->gl_timeout_id) gid_info->gl_timeout_id = 0; break; case IBDM_REQ_TYPE_IOCINFO: new_gl_state = IBDM_GID_PROBING_COMPLETE; iou = gid_info->gl_iou; ioc = &iou->iou_ioc_info[cb_args->cb_ioc_num]; ioc->ioc_state = IBDM_IOC_STATE_PROBE_FAILED; if (ioc->ioc_timeout_id) ioc->ioc_timeout_id = 0; break; case IBDM_REQ_TYPE_SRVENTS: new_gl_state = IBDM_GID_PROBING_COMPLETE; iou = gid_info->gl_iou; ioc = &iou->iou_ioc_info[cb_args->cb_ioc_num]; ioc->ioc_state = IBDM_IOC_STATE_PROBE_FAILED; srv_ent = cb_args->cb_srvents_start; if (ioc->ioc_serv[srv_ent].se_timeout_id) ioc->ioc_serv[srv_ent].se_timeout_id = 0; break; case IBDM_REQ_TYPE_IOU_DIAGCODE: new_gl_state = IBDM_GID_PROBING_COMPLETE; iou = gid_info->gl_iou; iou->iou_dc_valid = B_FALSE; if (gid_info->gl_timeout_id) gid_info->gl_timeout_id = 0; break; case IBDM_REQ_TYPE_IOC_DIAGCODE: new_gl_state = IBDM_GID_PROBING_COMPLETE; iou = gid_info->gl_iou; ioc = &iou->iou_ioc_info[cb_args->cb_ioc_num]; ioc->ioc_dc_valid = B_FALSE; if (ioc->ioc_dc_timeout_id) ioc->ioc_dc_timeout_id = 0; break; default: /* ERROR State */ new_gl_state = IBDM_GID_PROBING_FAILED; if (gid_info->gl_timeout_id) gid_info->gl_timeout_id = 0; IBTF_DPRINTF_L2("ibdm", "\tpkt_timeout_hdlr: wrong request type."); break; } --gid_info->gl_pending_cmds; /* decrease the counter */ if (gid_info->gl_pending_cmds == 0) { gid_info->gl_state = new_gl_state; mutex_exit(&gid_info->gl_mutex); /* * Delete this gid_info if the gid probe fails. */ if (new_gl_state == IBDM_GID_PROBING_FAILED) { ibdm_delete_glhca_list(gid_info); } ibdm_notify_newgid_iocs(gid_info); mutex_enter(&ibdm.ibdm_mutex); if (--ibdm.ibdm_ngid_probes_in_progress == 0) { IBTF_DPRINTF_L4("ibdm", "\tpkt_timeout_hdlr: Wakeup"); ibdm.ibdm_busy &= ~IBDM_PROBE_IN_PROGRESS; cv_broadcast(&ibdm.ibdm_probe_cv); } mutex_exit(&ibdm.ibdm_mutex); } else { /* * Reset gl_pending_cmd if the extra timeout happens since * gl_pending_cmd becomes negative as a result. */ if (gid_info->gl_pending_cmds < 0) { gid_info->gl_pending_cmds = 0; IBTF_DPRINTF_L2("ibdm", "\tpkt_timeout_hdlr: extra timeout request." " reset gl_pending_cmds"); } mutex_exit(&gid_info->gl_mutex); /* * Delete this gid_info if the gid probe fails. */ if (new_gl_state == IBDM_GID_PROBING_FAILED) { ibdm_delete_glhca_list(gid_info); } } } /* * ibdm_retry_command() * Retries the failed command. * Returns IBDM_FAILURE/IBDM_SUCCESS */ static int ibdm_retry_command(ibdm_timeout_cb_args_t *cb_args) { int ret; ibmf_msg_t *msg; ib_mad_hdr_t *hdr; ibdm_dp_gidinfo_t *gid_info = cb_args->cb_gid_info; timeout_id_t *timeout_id; ibdm_ioc_info_t *ioc; int ioc_no; ASSERT(MUTEX_HELD(&gid_info->gl_mutex)); IBTF_DPRINTF_L2("ibdm", "\tretry_command: gid_info: %p " "rtype 0x%x iocidx 0x%x srvidx %d", cb_args->cb_gid_info, cb_args->cb_req_type, cb_args->cb_ioc_num, cb_args->cb_srvents_start); ret = ibmf_alloc_msg(gid_info->gl_ibmf_hdl, IBMF_ALLOC_NOSLEEP, &msg); /* * Reset the gid if alloc_msg failed with BAD_HANDLE * ibdm_reset_gidinfo reinits the gid_info */ if (ret == IBMF_BAD_HANDLE) { IBTF_DPRINTF_L3(ibdm_string, "\tretry_command: gid %p hdl bad", gid_info); mutex_exit(&gid_info->gl_mutex); ibdm_reset_gidinfo(gid_info); mutex_enter(&gid_info->gl_mutex); /* Retry alloc */ ret = ibmf_alloc_msg(gid_info->gl_ibmf_hdl, IBMF_ALLOC_NOSLEEP, &msg); } if (ret != IBDM_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tretry_command: alloc failed: %p " "rtype 0x%x iocidx 0x%x srvidx %d", cb_args->cb_gid_info, cb_args->cb_req_type, cb_args->cb_ioc_num, cb_args->cb_srvents_start); return (IBDM_FAILURE); } _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*msg)) ibdm_alloc_send_buffers(msg); _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*msg)) ibdm_bump_transactionID(gid_info); msg->im_local_addr.ia_local_lid = gid_info->gl_slid; msg->im_local_addr.ia_remote_lid = gid_info->gl_dlid; if (gid_info->gl_redirected == B_TRUE) { if (gid_info->gl_redirect_dlid != 0) { msg->im_local_addr.ia_remote_lid = gid_info->gl_redirect_dlid; } msg->im_local_addr.ia_remote_qno = gid_info->gl_redirect_QP; msg->im_local_addr.ia_p_key = gid_info->gl_redirect_pkey; msg->im_local_addr.ia_q_key = gid_info->gl_redirect_qkey; msg->im_local_addr.ia_service_level = gid_info->gl_redirectSL; } else { msg->im_local_addr.ia_remote_qno = 1; msg->im_local_addr.ia_p_key = gid_info->gl_p_key; msg->im_local_addr.ia_q_key = IB_GSI_QKEY; msg->im_local_addr.ia_service_level = gid_info->gl_SL; } hdr = IBDM_OUT_IBMFMSG_MADHDR(msg); _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*hdr)) hdr->BaseVersion = MAD_CLASS_BASE_VERS_1; hdr->MgmtClass = MAD_MGMT_CLASS_DEV_MGT; hdr->ClassVersion = IB_DM_CLASS_VERSION_1; hdr->R_Method = IB_DM_DEVMGT_METHOD_GET; hdr->Status = 0; hdr->TransactionID = h2b64(gid_info->gl_transactionID); switch (cb_args->cb_req_type) { case IBDM_REQ_TYPE_CLASSPORTINFO: hdr->AttributeID = h2b16(IB_DM_ATTR_CLASSPORTINFO); hdr->AttributeModifier = 0; timeout_id = &gid_info->gl_timeout_id; break; case IBDM_REQ_TYPE_IOUINFO: hdr->AttributeID = h2b16(IB_DM_ATTR_IO_UNITINFO); hdr->AttributeModifier = 0; timeout_id = &gid_info->gl_timeout_id; break; case IBDM_REQ_TYPE_IOCINFO: hdr->AttributeID = h2b16(IB_DM_ATTR_IOC_CTRL_PROFILE); hdr->AttributeModifier = h2b32(cb_args->cb_ioc_num + 1); ioc = IBDM_GIDINFO2IOCINFO(gid_info, cb_args->cb_ioc_num); timeout_id = &ioc->ioc_timeout_id; break; case IBDM_REQ_TYPE_SRVENTS: hdr->AttributeID = h2b16(IB_DM_ATTR_SERVICE_ENTRIES); ibdm_fill_srv_attr_mod(hdr, cb_args); ioc = IBDM_GIDINFO2IOCINFO(gid_info, cb_args->cb_ioc_num); timeout_id = &ioc->ioc_serv[cb_args->cb_srvents_start].se_timeout_id; break; case IBDM_REQ_TYPE_IOU_DIAGCODE: hdr->AttributeID = h2b16(IB_DM_ATTR_DIAG_CODE); hdr->AttributeModifier = 0; timeout_id = &gid_info->gl_timeout_id; break; case IBDM_REQ_TYPE_IOC_DIAGCODE: hdr->AttributeID = h2b16(IB_DM_ATTR_DIAG_CODE); hdr->AttributeModifier = h2b32(cb_args->cb_ioc_num + 1); ioc_no = cb_args->cb_ioc_num; ioc = &gid_info->gl_iou->iou_ioc_info[ioc_no]; timeout_id = &ioc->ioc_dc_timeout_id; break; } _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*hdr)) *timeout_id = timeout(ibdm_pkt_timeout_hdlr, cb_args, IBDM_TIMEOUT_VALUE(ibdm_dft_timeout)); mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\tretry_command: %p,%x,%d,%d:" "timeout %x", cb_args->cb_req_type, cb_args->cb_ioc_num, cb_args->cb_srvents_start, *timeout_id); if (ibmf_msg_transport(gid_info->gl_ibmf_hdl, gid_info->gl_qp_hdl, msg, NULL, ibdm_ibmf_send_cb, cb_args, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tretry_command: send failed: %p " "rtype 0x%x iocidx 0x%x srvidx %d", cb_args->cb_gid_info, cb_args->cb_req_type, cb_args->cb_ioc_num, cb_args->cb_srvents_start); ibdm_ibmf_send_cb(gid_info->gl_ibmf_hdl, msg, cb_args); } mutex_enter(&gid_info->gl_mutex); return (IBDM_SUCCESS); } /* * ibdm_update_ioc_port_gidlist() */ static void ibdm_update_ioc_port_gidlist(ibdm_ioc_info_t *dest, ibdm_dp_gidinfo_t *gid_info) { int ii, ngid_ents; ibdm_gid_t *tmp; ibdm_hca_list_t *gid_hca_head, *temp; ibdm_hca_list_t *ioc_head = NULL; ASSERT(MUTEX_HELD(&gid_info->gl_mutex)); IBTF_DPRINTF_L5("ibdm", "\tupdate_ioc_port_gidlist: Enter"); ngid_ents = gid_info->gl_ngids; dest->ioc_nportgids = ngid_ents; dest->ioc_gid_list = kmem_zalloc(sizeof (ibdm_gid_t) * ngid_ents, KM_SLEEP); tmp = gid_info->gl_gid; for (ii = 0; (ii < ngid_ents) && (tmp); ii++) { dest->ioc_gid_list[ii].gid_dgid_hi = tmp->gid_dgid_hi; dest->ioc_gid_list[ii].gid_dgid_lo = tmp->gid_dgid_lo; tmp = tmp->gid_next; } gid_hca_head = gid_info->gl_hca_list; while (gid_hca_head) { temp = ibdm_dup_hca_attr(gid_hca_head); temp->hl_next = ioc_head; ioc_head = temp; gid_hca_head = gid_hca_head->hl_next; } dest->ioc_hca_list = ioc_head; } /* * ibdm_alloc_send_buffers() * Allocates memory for the IBMF send buffer to send and/or receive * the Device Management MAD packet. */ static void ibdm_alloc_send_buffers(ibmf_msg_t *msgp) { msgp->im_msgbufs_send.im_bufs_mad_hdr = kmem_zalloc(IBDM_MAD_SIZE, KM_SLEEP); msgp->im_msgbufs_send.im_bufs_cl_hdr = (uchar_t *) msgp->im_msgbufs_send.im_bufs_mad_hdr + sizeof (ib_mad_hdr_t); msgp->im_msgbufs_send.im_bufs_cl_hdr_len = IBDM_DM_MAD_HDR_SZ; msgp->im_msgbufs_send.im_bufs_cl_data = ((char *)msgp->im_msgbufs_send.im_bufs_cl_hdr + IBDM_DM_MAD_HDR_SZ); msgp->im_msgbufs_send.im_bufs_cl_data_len = IBDM_MAD_SIZE - sizeof (ib_mad_hdr_t) - IBDM_DM_MAD_HDR_SZ; } /* * ibdm_alloc_send_buffers() * De-allocates memory for the IBMF send buffer */ static void ibdm_free_send_buffers(ibmf_msg_t *msgp) { if (msgp->im_msgbufs_send.im_bufs_mad_hdr != NULL) kmem_free(msgp->im_msgbufs_send.im_bufs_mad_hdr, IBDM_MAD_SIZE); } /* * ibdm_probe_ioc() * 1. Gets the node records for the port GUID. This detects all the port * to the IOU. * 2. Selectively probes all the IOC, given it's node GUID * 3. In case of reprobe, only the IOC to be reprobed is send the IOC * Controller Profile asynchronously */ /*ARGSUSED*/ static void ibdm_probe_ioc(ib_guid_t nodeguid, ib_guid_t ioc_guid, int reprobe_flag) { int ii, nrecords; size_t nr_len = 0, pi_len = 0; ib_gid_t sgid, dgid; ibdm_hca_list_t *hca_list = NULL; sa_node_record_t *nr, *tmp; ibdm_port_attr_t *port = NULL; ibdm_dp_gidinfo_t *reprobe_gid, *new_gid, *node_gid; ibdm_dp_gidinfo_t *temp_gidinfo; ibdm_gid_t *temp_gid; sa_portinfo_record_t *pi; IBTF_DPRINTF_L4("ibdm", "\tprobe_ioc(%llx, %llx, %x): Begin", nodeguid, ioc_guid, reprobe_flag); /* Rescan the GID list for any removed GIDs for reprobe */ if (reprobe_flag) ibdm_rescan_gidlist(&ioc_guid); mutex_enter(&ibdm.ibdm_hl_mutex); for (ibdm_get_next_port(&hca_list, &port, 1); port; ibdm_get_next_port(&hca_list, &port, 1)) { reprobe_gid = new_gid = node_gid = NULL; nr = ibdm_get_node_records(port->pa_sa_hdl, &nr_len, nodeguid); if (nr == NULL) { IBTF_DPRINTF_L4("ibdm", "\tprobe_ioc: no records"); continue; } nrecords = (nr_len / sizeof (sa_node_record_t)); for (tmp = nr, ii = 0; (ii < nrecords); ii++, tmp++) { if ((pi = ibdm_get_portinfo( port->pa_sa_hdl, &pi_len, tmp->LID)) == NULL) { IBTF_DPRINTF_L4("ibdm", "\tibdm_get_portinfo: no portinfo recs"); continue; } /* * If Device Management is not supported on * this port, skip the rest. */ if (!(pi->PortInfo.CapabilityMask & SM_CAP_MASK_IS_DM_SUPPD)) { kmem_free(pi, pi_len); continue; } /* * For reprobes: Check if GID, already in * the list. If so, set the state to SKIPPED */ if (((temp_gidinfo = ibdm_find_gid(nodeguid, tmp->NodeInfo.PortGUID)) != NULL) && temp_gidinfo->gl_state == IBDM_GID_PROBING_COMPLETE) { ASSERT(reprobe_gid == NULL); ibdm_addto_glhcalist(temp_gidinfo, hca_list); reprobe_gid = temp_gidinfo; kmem_free(pi, pi_len); continue; } else if (temp_gidinfo != NULL) { kmem_free(pi, pi_len); ibdm_addto_glhcalist(temp_gidinfo, hca_list); continue; } IBTF_DPRINTF_L4("ibdm", "\tprobe_ioc : " "create_gid : prefix %llx, guid %llx\n", pi->PortInfo.GidPrefix, tmp->NodeInfo.PortGUID); sgid.gid_prefix = port->pa_sn_prefix; sgid.gid_guid = port->pa_port_guid; dgid.gid_prefix = pi->PortInfo.GidPrefix; dgid.gid_guid = tmp->NodeInfo.PortGUID; new_gid = ibdm_create_gid_info(port, sgid, dgid); if (new_gid == NULL) { IBTF_DPRINTF_L2("ibdm", "\tprobe_ioc: " "create_gid_info failed\n"); kmem_free(pi, pi_len); continue; } if (node_gid == NULL) { node_gid = new_gid; ibdm_add_to_gl_gid(node_gid, node_gid); } else { IBTF_DPRINTF_L4("ibdm", "\tprobe_ioc: new gid"); temp_gid = kmem_zalloc( sizeof (ibdm_gid_t), KM_SLEEP); temp_gid->gid_dgid_hi = new_gid->gl_dgid_hi; temp_gid->gid_dgid_lo = new_gid->gl_dgid_lo; temp_gid->gid_next = node_gid->gl_gid; node_gid->gl_gid = temp_gid; node_gid->gl_ngids++; } new_gid->gl_nodeguid = nodeguid; new_gid->gl_portguid = dgid.gid_guid; ibdm_addto_glhcalist(new_gid, hca_list); /* * Set the state to skipped as all these * gids point to the same node. * We (re)probe only one GID below and reset * state appropriately */ new_gid->gl_state = IBDM_GID_PROBING_SKIPPED; new_gid->gl_devid = (*tmp).NodeInfo.DeviceID; kmem_free(pi, pi_len); } kmem_free(nr, nr_len); IBTF_DPRINTF_L4("ibdm", "\tprobe_ioc : reprobe_flag %d " "reprobe_gid %p new_gid %p node_gid %p", reprobe_flag, reprobe_gid, new_gid, node_gid); if (reprobe_flag != 0 && reprobe_gid != NULL) { int niocs, jj; ibdm_ioc_info_t *tmp_ioc; int ioc_matched = 0; mutex_exit(&ibdm.ibdm_hl_mutex); mutex_enter(&reprobe_gid->gl_mutex); reprobe_gid->gl_state = IBDM_GET_IOC_DETAILS; niocs = reprobe_gid->gl_iou->iou_info.iou_num_ctrl_slots; reprobe_gid->gl_pending_cmds++; mutex_exit(&reprobe_gid->gl_mutex); for (jj = 0; jj < niocs; jj++) { tmp_ioc = IBDM_GIDINFO2IOCINFO(reprobe_gid, jj); if (tmp_ioc->ioc_profile.ioc_guid != ioc_guid) continue; ioc_matched = 1; /* * Explicitly set gl_reprobe_flag to 0 so that * IBnex is not notified on completion */ mutex_enter(&reprobe_gid->gl_mutex); reprobe_gid->gl_reprobe_flag = 0; mutex_exit(&reprobe_gid->gl_mutex); mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_ngid_probes_in_progress++; mutex_exit(&ibdm.ibdm_mutex); if (ibdm_send_ioc_profile(reprobe_gid, jj) != IBDM_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tprobe_ioc: " "send_ioc_profile failed " "for ioc %d", jj); ibdm_gid_decr_pending(reprobe_gid); break; } mutex_enter(&ibdm.ibdm_mutex); ibdm_wait_probe_completion(); mutex_exit(&ibdm.ibdm_mutex); break; } if (ioc_matched == 0) ibdm_gid_decr_pending(reprobe_gid); else { mutex_enter(&ibdm.ibdm_hl_mutex); break; } } else if (new_gid != NULL) { mutex_exit(&ibdm.ibdm_hl_mutex); node_gid = node_gid ? node_gid : new_gid; /* * New or reinserted GID : Enable notification * to IBnex */ mutex_enter(&node_gid->gl_mutex); node_gid->gl_reprobe_flag = 1; mutex_exit(&node_gid->gl_mutex); ibdm_probe_gid(node_gid); mutex_enter(&ibdm.ibdm_hl_mutex); } } mutex_exit(&ibdm.ibdm_hl_mutex); IBTF_DPRINTF_L4("ibdm", "\tprobe_ioc : End\n"); } /* * ibdm_probe_gid() * Selectively probes the GID */ static void ibdm_probe_gid(ibdm_dp_gidinfo_t *gid_info) { IBTF_DPRINTF_L4("ibdm", "\tprobe_gid:"); /* * A Cisco FC GW needs the special handling to get IOUnitInfo. */ mutex_enter(&gid_info->gl_mutex); if (ibdm_is_cisco_switch(gid_info)) { gid_info->gl_pending_cmds++; gid_info->gl_state = IBDM_SET_CLASSPORTINFO; mutex_exit(&gid_info->gl_mutex); if (ibdm_set_classportinfo(gid_info) != IBDM_SUCCESS) { mutex_enter(&gid_info->gl_mutex); gid_info->gl_state = IBDM_GID_PROBING_FAILED; --gid_info->gl_pending_cmds; mutex_exit(&gid_info->gl_mutex); /* free the hca_list on this gid_info */ ibdm_delete_glhca_list(gid_info); gid_info = gid_info->gl_next; return; } mutex_enter(&gid_info->gl_mutex); ibdm_wait_cisco_probe_completion(gid_info); IBTF_DPRINTF_L4("ibdm", "\tprobe_gid: CISCO Wakeup signal received"); } /* move on to the 'GET_CLASSPORTINFO' stage */ gid_info->gl_pending_cmds++; gid_info->gl_state = IBDM_GET_CLASSPORTINFO; mutex_exit(&gid_info->gl_mutex); if (ibdm_send_classportinfo(gid_info) != IBDM_SUCCESS) { mutex_enter(&gid_info->gl_mutex); gid_info->gl_state = IBDM_GID_PROBING_FAILED; --gid_info->gl_pending_cmds; mutex_exit(&gid_info->gl_mutex); /* free the hca_list on this gid_info */ ibdm_delete_glhca_list(gid_info); gid_info = gid_info->gl_next; return; } mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_ngid_probes_in_progress++; gid_info = gid_info->gl_next; ibdm_wait_probe_completion(); mutex_exit(&ibdm.ibdm_mutex); IBTF_DPRINTF_L4("ibdm", "\tprobe_gid: Wakeup signal received"); } /* * ibdm_create_gid_info() * Allocates a gid_info structure and initializes * Returns pointer to the structure on success * and NULL on failure */ static ibdm_dp_gidinfo_t * ibdm_create_gid_info(ibdm_port_attr_t *port, ib_gid_t sgid, ib_gid_t dgid) { uint8_t ii, npaths; sa_path_record_t *path; size_t len; ibdm_pkey_tbl_t *pkey_tbl; ibdm_dp_gidinfo_t *gid_info = NULL; int ret; IBTF_DPRINTF_L4("ibdm", "\tcreate_gid_info: Begin"); npaths = 1; /* query for reversible paths */ if (port->pa_sa_hdl) ret = ibmf_saa_gid_to_pathrecords(port->pa_sa_hdl, sgid, dgid, IBMF_SAA_PKEY_WC, 0, B_TRUE, &npaths, 0, &len, &path); else return (NULL); if (ret == IBMF_SUCCESS && path) { ibdm_dump_path_info(path); gid_info = kmem_zalloc( sizeof (ibdm_dp_gidinfo_t), KM_SLEEP); mutex_init(&gid_info->gl_mutex, NULL, MUTEX_DEFAULT, NULL); cv_init(&gid_info->gl_probe_cv, NULL, CV_DRIVER, NULL); gid_info->gl_dgid_hi = path->DGID.gid_prefix; gid_info->gl_dgid_lo = path->DGID.gid_guid; gid_info->gl_sgid_hi = path->SGID.gid_prefix; gid_info->gl_sgid_lo = path->SGID.gid_guid; gid_info->gl_p_key = path->P_Key; gid_info->gl_sa_hdl = port->pa_sa_hdl; gid_info->gl_ibmf_hdl = port->pa_ibmf_hdl; gid_info->gl_slid = path->SLID; gid_info->gl_dlid = path->DLID; gid_info->gl_transactionID = (++ibdm.ibdm_transactionID) << IBDM_GID_TRANSACTIONID_SHIFT; gid_info->gl_min_transactionID = gid_info->gl_transactionID; gid_info->gl_max_transactionID = (ibdm.ibdm_transactionID +1) << IBDM_GID_TRANSACTIONID_SHIFT; gid_info->gl_SL = path->SL; gid_info->gl_qp_hdl = IBMF_QP_HANDLE_DEFAULT; for (ii = 0; ii < port->pa_npkeys; ii++) { if (port->pa_pkey_tbl == NULL) break; pkey_tbl = &port->pa_pkey_tbl[ii]; if ((gid_info->gl_p_key == pkey_tbl->pt_pkey) && (pkey_tbl->pt_qp_hdl != NULL)) { gid_info->gl_qp_hdl = pkey_tbl->pt_qp_hdl; break; } } kmem_free(path, len); /* * QP handle for GID not initialized. No matching Pkey * was found!! ibdm should *not* hit this case. Flag an * error and drop the GID if ibdm does encounter this. */ if (gid_info->gl_qp_hdl == NULL) { IBTF_DPRINTF_L2(ibdm_string, "\tcreate_gid_info: No matching Pkey"); ibdm_delete_gidinfo(gid_info); return (NULL); } ibdm.ibdm_ngids++; if (ibdm.ibdm_dp_gidlist_head == NULL) { ibdm.ibdm_dp_gidlist_head = gid_info; ibdm.ibdm_dp_gidlist_tail = gid_info; } else { ibdm.ibdm_dp_gidlist_tail->gl_next = gid_info; gid_info->gl_prev = ibdm.ibdm_dp_gidlist_tail; ibdm.ibdm_dp_gidlist_tail = gid_info; } } return (gid_info); } /* * ibdm_get_node_records * Sends a SA query to get the NODE record * Returns pointer to the sa_node_record_t on success * and NULL on failure */ static sa_node_record_t * ibdm_get_node_records(ibmf_saa_handle_t sa_hdl, size_t *length, ib_guid_t guid) { sa_node_record_t req, *resp = NULL; ibmf_saa_access_args_t args; int ret; IBTF_DPRINTF_L4("ibdm", "\tget_node_records: Begin"); bzero(&req, sizeof (sa_node_record_t)); req.NodeInfo.NodeGUID = guid; args.sq_attr_id = SA_NODERECORD_ATTRID; args.sq_access_type = IBMF_SAA_RETRIEVE; args.sq_component_mask = SA_NODEINFO_COMPMASK_NODEGUID; args.sq_template = &req; args.sq_callback = NULL; args.sq_callback_arg = NULL; ret = ibmf_sa_access(sa_hdl, &args, 0, length, (void **) &resp); if (ret != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tget_node_records:" " SA Retrieve Failed: %d", ret); return (NULL); } if ((resp == NULL) || (*length == 0)) { IBTF_DPRINTF_L2("ibdm", "\tget_node_records: No records"); return (NULL); } IBTF_DPRINTF_L4("ibdm", "\tget_node_records: NodeGuid %llx " "PortGUID %llx", resp->NodeInfo.NodeGUID, resp->NodeInfo.PortGUID); return (resp); } /* * ibdm_get_portinfo() * Sends a SA query to get the PortInfo record * Returns pointer to the sa_portinfo_record_t on success * and NULL on failure */ static sa_portinfo_record_t * ibdm_get_portinfo(ibmf_saa_handle_t sa_hdl, size_t *length, ib_lid_t lid) { sa_portinfo_record_t req, *resp = NULL; ibmf_saa_access_args_t args; int ret; IBTF_DPRINTF_L4("ibdm", "\tget_portinfo: Begin"); bzero(&req, sizeof (sa_portinfo_record_t)); req.EndportLID = lid; args.sq_attr_id = SA_PORTINFORECORD_ATTRID; args.sq_access_type = IBMF_SAA_RETRIEVE; args.sq_component_mask = SA_PORTINFO_COMPMASK_PORTLID; args.sq_template = &req; args.sq_callback = NULL; args.sq_callback_arg = NULL; ret = ibmf_sa_access(sa_hdl, &args, 0, length, (void **) &resp); if (ret != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tget_portinfo:" " SA Retrieve Failed: 0x%X", ret); return (NULL); } if ((*length == 0) || (resp == NULL)) return (NULL); IBTF_DPRINTF_L4("ibdm", "\tget_portinfo: GidPrefix %llx Cap 0x%x", resp->PortInfo.GidPrefix, resp->PortInfo.CapabilityMask); return (resp); } /* * ibdm_ibnex_register_callback * IB nexus callback routine for HCA attach and detach notification */ void ibdm_ibnex_register_callback(ibdm_callback_t ibnex_dm_callback) { IBTF_DPRINTF_L4("ibdm", "\tibnex_register_callbacks"); mutex_enter(&ibdm.ibdm_ibnex_mutex); ibdm.ibdm_ibnex_callback = ibnex_dm_callback; mutex_exit(&ibdm.ibdm_ibnex_mutex); } /* * ibdm_ibnex_unregister_callbacks */ void ibdm_ibnex_unregister_callback() { IBTF_DPRINTF_L4("ibdm", "\tibnex_unregister_callbacks"); mutex_enter(&ibdm.ibdm_ibnex_mutex); ibdm.ibdm_ibnex_callback = NULL; mutex_exit(&ibdm.ibdm_ibnex_mutex); } /* * ibdm_get_waittime() * Calculates the wait time based on the last HCA attach time */ static time_t ibdm_get_waittime(ib_guid_t hca_guid, int dft_wait) { int ii; time_t temp, wait_time = 0; ibdm_hca_list_t *hca; IBTF_DPRINTF_L4("ibdm", "\tget_waittime hcaguid:%llx" "\tport settling time %d", hca_guid, dft_wait); ASSERT(mutex_owned(&ibdm.ibdm_hl_mutex)); hca = ibdm.ibdm_hca_list_head; if (hca_guid) { for (ii = 0; ii < ibdm.ibdm_hca_count; ii++) { if ((hca_guid == hca->hl_hca_guid) && (hca->hl_nports != hca->hl_nports_active)) { wait_time = ddi_get_time() - hca->hl_attach_time; wait_time = ((wait_time >= dft_wait) ? 0 : (dft_wait - wait_time)); break; } hca = hca->hl_next; } IBTF_DPRINTF_L4("ibdm", "\tget_waittime %llx", wait_time); return (wait_time); } for (ii = 0; ii < ibdm.ibdm_hca_count; ii++) { if (hca->hl_nports != hca->hl_nports_active) { temp = ddi_get_time() - hca->hl_attach_time; temp = ((temp >= dft_wait) ? 0 : (dft_wait - temp)); wait_time = (temp > wait_time) ? temp : wait_time; } } IBTF_DPRINTF_L4("ibdm", "\tget_waittime %llx", wait_time); return (wait_time); } void ibdm_ibnex_port_settle_wait(ib_guid_t hca_guid, int dft_wait) { time_t wait_time; mutex_enter(&ibdm.ibdm_hl_mutex); while ((wait_time = ibdm_get_waittime(hca_guid, dft_wait)) > 0) { (void) cv_timedwait(&ibdm.ibdm_port_settle_cv, &ibdm.ibdm_hl_mutex, ddi_get_lbolt() + drv_usectohz(wait_time * 1000000)); } mutex_exit(&ibdm.ibdm_hl_mutex); } /* * ibdm_ibnex_probe_hcaport * Probes the presence of HCA port (with HCA dip and port number) * Returns port attributes structure on SUCCESS */ ibdm_port_attr_t * ibdm_ibnex_probe_hcaport(ib_guid_t hca_guid, uint8_t port_num) { int ii, jj; ibdm_hca_list_t *hca_list; ibdm_port_attr_t *port_attr; IBTF_DPRINTF_L4("ibdm", "\tibnex_probe_hcaport:"); mutex_enter(&ibdm.ibdm_hl_mutex); hca_list = ibdm.ibdm_hca_list_head; for (ii = 0; ii < ibdm.ibdm_hca_count; ii++) { if (hca_list->hl_hca_guid == hca_guid) { for (jj = 0; jj < hca_list->hl_nports; jj++) { if (hca_list->hl_port_attr[jj].pa_port_num == port_num) { break; } } if (jj != hca_list->hl_nports) break; } hca_list = hca_list->hl_next; } if (ii == ibdm.ibdm_hca_count) { IBTF_DPRINTF_L2("ibdm", "\tibnex_probe_hcaport: not found"); mutex_exit(&ibdm.ibdm_hl_mutex); return (NULL); } port_attr = (ibdm_port_attr_t *)kmem_zalloc( sizeof (ibdm_port_attr_t), KM_SLEEP); bcopy((char *)&hca_list->hl_port_attr[jj], port_attr, sizeof (ibdm_port_attr_t)); ibdm_update_port_attr(port_attr); mutex_exit(&ibdm.ibdm_hl_mutex); return (port_attr); } /* * ibdm_ibnex_get_port_attrs * Scan all HCAs for a matching port_guid. * Returns "port attributes" structure on success. */ ibdm_port_attr_t * ibdm_ibnex_get_port_attrs(ib_guid_t port_guid) { int ii, jj; ibdm_hca_list_t *hca_list; ibdm_port_attr_t *port_attr; IBTF_DPRINTF_L4("ibdm", "\tibnex_get_port_attrs:"); mutex_enter(&ibdm.ibdm_hl_mutex); hca_list = ibdm.ibdm_hca_list_head; for (ii = 0; ii < ibdm.ibdm_hca_count; ii++) { for (jj = 0; jj < hca_list->hl_nports; jj++) { if (hca_list->hl_port_attr[jj].pa_port_guid == port_guid) { break; } } if (jj != hca_list->hl_nports) break; hca_list = hca_list->hl_next; } if (ii == ibdm.ibdm_hca_count) { IBTF_DPRINTF_L2("ibdm", "\tibnex_get_port_attrs: not found"); mutex_exit(&ibdm.ibdm_hl_mutex); return (NULL); } port_attr = (ibdm_port_attr_t *)kmem_alloc(sizeof (ibdm_port_attr_t), KM_SLEEP); bcopy((char *)&hca_list->hl_port_attr[jj], port_attr, sizeof (ibdm_port_attr_t)); ibdm_update_port_attr(port_attr); mutex_exit(&ibdm.ibdm_hl_mutex); return (port_attr); } /* * ibdm_ibnex_free_port_attr() */ void ibdm_ibnex_free_port_attr(ibdm_port_attr_t *port_attr) { IBTF_DPRINTF_L4("ibdm", "\tibnex_free_port_attr:"); if (port_attr) { if (port_attr->pa_pkey_tbl != NULL) { kmem_free(port_attr->pa_pkey_tbl, (port_attr->pa_npkeys * sizeof (ibdm_pkey_tbl_t))); } kmem_free(port_attr, sizeof (ibdm_port_attr_t)); } } /* * ibdm_ibnex_get_hca_list() * Returns portinfo for all the port for all the HCA's */ void ibdm_ibnex_get_hca_list(ibdm_hca_list_t **hca, int *count) { ibdm_hca_list_t *head = NULL, *temp, *temp1; int ii; IBTF_DPRINTF_L4("ibdm", "\tibnex_get_hca_list:"); mutex_enter(&ibdm.ibdm_hl_mutex); temp = ibdm.ibdm_hca_list_head; for (ii = 0; ii < ibdm.ibdm_hca_count; ii++) { temp1 = ibdm_dup_hca_attr(temp); temp1->hl_next = head; head = temp1; temp = temp->hl_next; } *count = ibdm.ibdm_hca_count; *hca = head; mutex_exit(&ibdm.ibdm_hl_mutex); } /* * ibdm_ibnex_get_hca_info_by_guid() */ ibdm_hca_list_t * ibdm_ibnex_get_hca_info_by_guid(ib_guid_t hca_guid) { ibdm_hca_list_t *head = NULL, *hca = NULL; IBTF_DPRINTF_L4("ibdm", "\tibnex_get_hca_info_by_dip"); mutex_enter(&ibdm.ibdm_hl_mutex); head = ibdm.ibdm_hca_list_head; while (head) { if (head->hl_hca_guid == hca_guid) { hca = ibdm_dup_hca_attr(head); hca->hl_next = NULL; break; } head = head->hl_next; } mutex_exit(&ibdm.ibdm_hl_mutex); IBTF_DPRINTF_L4("ibdm", "\tibnex_get_hca_info_by_dip %p", hca); return (hca); } /* * ibdm_dup_hca_attr() * Allocate a new HCA attribute strucuture and initialize * hca attribute structure with the incoming HCA attributes * returned the allocated hca attributes. */ static ibdm_hca_list_t * ibdm_dup_hca_attr(ibdm_hca_list_t *in_hca) { int len; ibdm_hca_list_t *out_hca; len = sizeof (ibdm_hca_list_t) + (in_hca->hl_nports * sizeof (ibdm_port_attr_t)); IBTF_DPRINTF_L4("ibdm", "\tdup_hca_attr len %d", len); out_hca = (ibdm_hca_list_t *)kmem_alloc(len, KM_SLEEP); bcopy((char *)in_hca, (char *)out_hca, sizeof (ibdm_hca_list_t)); if (in_hca->hl_nports) { out_hca->hl_port_attr = (ibdm_port_attr_t *) ((char *)out_hca + sizeof (ibdm_hca_list_t)); bcopy((char *)in_hca->hl_port_attr, (char *)out_hca->hl_port_attr, (in_hca->hl_nports * sizeof (ibdm_port_attr_t))); for (len = 0; len < out_hca->hl_nports; len++) ibdm_update_port_attr(&out_hca->hl_port_attr[len]); } return (out_hca); } /* * ibdm_ibnex_free_hca_list() * Free one/more HCA lists */ void ibdm_ibnex_free_hca_list(ibdm_hca_list_t *hca_list) { int ii; size_t len; ibdm_hca_list_t *temp; ibdm_port_attr_t *port; IBTF_DPRINTF_L4("ibdm", "\tibnex_free_hca_list:"); ASSERT(hca_list); while (hca_list) { temp = hca_list; hca_list = hca_list->hl_next; for (ii = 0; ii < temp->hl_nports; ii++) { port = &temp->hl_port_attr[ii]; len = (port->pa_npkeys * sizeof (ibdm_pkey_tbl_t)); if (len != 0) kmem_free(port->pa_pkey_tbl, len); } len = sizeof (ibdm_hca_list_t) + (temp->hl_nports * sizeof (ibdm_port_attr_t)); kmem_free(temp, len); } } /* * ibdm_ibnex_probe_iocguid() * Probes the IOC on the fabric and returns the IOC information * if present. Otherwise, NULL is returned */ /* ARGSUSED */ ibdm_ioc_info_t * ibdm_ibnex_probe_ioc(ib_guid_t iou, ib_guid_t ioc_guid, int reprobe_flag) { int k; ibdm_ioc_info_t *ioc_info; ibdm_dp_gidinfo_t *gid_info; /* used as index and arg */ timeout_id_t *timeout_id; IBTF_DPRINTF_L4("ibdm", "\tibnex_probe_ioc: (%llX, %llX, %d) Begin", iou, ioc_guid, reprobe_flag); /* Check whether we know this already */ ioc_info = ibdm_get_ioc_info_with_gid(ioc_guid, &gid_info); if (ioc_info == NULL) { mutex_enter(&ibdm.ibdm_mutex); while (ibdm.ibdm_busy & IBDM_BUSY) cv_wait(&ibdm.ibdm_busy_cv, &ibdm.ibdm_mutex); ibdm.ibdm_busy |= IBDM_BUSY; mutex_exit(&ibdm.ibdm_mutex); ibdm_probe_ioc(iou, ioc_guid, 0); mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); ioc_info = ibdm_get_ioc_info_with_gid(ioc_guid, &gid_info); } else if (reprobe_flag) { /* Handle Reprobe for the IOC */ ASSERT(gid_info != NULL); /* Free the ioc_list before reprobe; and cancel any timers */ mutex_enter(&ibdm.ibdm_mutex); mutex_enter(&gid_info->gl_mutex); if (ioc_info->ioc_timeout_id) { timeout_id = ioc_info->ioc_timeout_id; ioc_info->ioc_timeout_id = 0; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\tprobe_ioc: " "ioc_timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "\tprobe_ioc: " "untimeout ioc_timeout_id failed"); } mutex_enter(&gid_info->gl_mutex); } if (ioc_info->ioc_dc_timeout_id) { timeout_id = ioc_info->ioc_dc_timeout_id; ioc_info->ioc_dc_timeout_id = 0; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\tprobe_ioc: " "ioc_dc_timeout_id = 0x%x", timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "\tprobe_ioc: " "untimeout ioc_dc_timeout_id failed"); } mutex_enter(&gid_info->gl_mutex); } for (k = 0; k < ioc_info->ioc_profile.ioc_service_entries; k++) if (ioc_info->ioc_serv[k].se_timeout_id) { timeout_id = ioc_info->ioc_serv[k]. se_timeout_id; ioc_info->ioc_serv[k].se_timeout_id = 0; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\tprobe_ioc: " "ioc_info->ioc_serv[k].se_timeout_id = %x", k, timeout_id); if (untimeout(timeout_id) == -1) { IBTF_DPRINTF_L2("ibdm", "\tprobe_ioc: " "untimeout se_timeout_id %d " "failed", k); } mutex_enter(&gid_info->gl_mutex); } mutex_exit(&gid_info->gl_mutex); mutex_exit(&ibdm.ibdm_mutex); ibdm_ibnex_free_ioc_list(ioc_info); mutex_enter(&ibdm.ibdm_mutex); while (ibdm.ibdm_busy & IBDM_BUSY) cv_wait(&ibdm.ibdm_busy_cv, &ibdm.ibdm_mutex); ibdm.ibdm_busy |= IBDM_BUSY; mutex_exit(&ibdm.ibdm_mutex); ibdm_probe_ioc(iou, ioc_guid, 1); /* * Skip if gl_reprobe_flag is set, this will be * a re-inserted / new GID, for which notifications * have already been send. */ for (gid_info = ibdm.ibdm_dp_gidlist_head; gid_info; gid_info = gid_info->gl_next) { uint8_t ii, niocs; ibdm_ioc_info_t *ioc; if (gid_info->gl_iou == NULL) continue; if (gid_info->gl_reprobe_flag) { gid_info->gl_reprobe_flag = 0; continue; } niocs = gid_info->gl_iou->iou_info.iou_num_ctrl_slots; for (ii = 0; ii < niocs; ii++) { ioc = IBDM_GIDINFO2IOCINFO(gid_info, ii); if (ioc->ioc_profile.ioc_guid == ioc_guid) { mutex_enter(&ibdm.ibdm_mutex); ibdm_reprobe_update_port_srv(ioc, gid_info); mutex_exit(&ibdm.ibdm_mutex); } } } mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); ioc_info = ibdm_get_ioc_info_with_gid(ioc_guid, &gid_info); } return (ioc_info); } /* * ibdm_get_ioc_info_with_gid() * Returns pointer to ibdm_ioc_info_t if it finds * matching record for the ioc_guid. Otherwise NULL is returned. * The pointer to gid_info is set to the second argument in case that * the non-NULL value returns (and the second argument is not NULL). * * Note. use the same strings as "ibnex_get_ioc_info" in * IBTF_DPRINTF() to keep compatibility. */ static ibdm_ioc_info_t * ibdm_get_ioc_info_with_gid(ib_guid_t ioc_guid, ibdm_dp_gidinfo_t **gid_info) { int ii; ibdm_ioc_info_t *ioc = NULL, *tmp = NULL; ibdm_dp_gidinfo_t *gid_list; ib_dm_io_unitinfo_t *iou; IBTF_DPRINTF_L4("ibdm", "\tibnex_get_ioc_info: GUID %llx", ioc_guid); mutex_enter(&ibdm.ibdm_mutex); while (ibdm.ibdm_busy & IBDM_BUSY) cv_wait(&ibdm.ibdm_busy_cv, &ibdm.ibdm_mutex); ibdm.ibdm_busy |= IBDM_BUSY; if (gid_info) *gid_info = NULL; /* clear the value of gid_info */ gid_list = ibdm.ibdm_dp_gidlist_head; while (gid_list) { mutex_enter(&gid_list->gl_mutex); if (gid_list->gl_state != IBDM_GID_PROBING_COMPLETE) { mutex_exit(&gid_list->gl_mutex); gid_list = gid_list->gl_next; continue; } if (gid_list->gl_iou == NULL) { IBTF_DPRINTF_L2("ibdm", "\tget_ioc_info: No IOU info"); mutex_exit(&gid_list->gl_mutex); gid_list = gid_list->gl_next; continue; } iou = &gid_list->gl_iou->iou_info; for (ii = 0; ii < iou->iou_num_ctrl_slots; ii++) { tmp = IBDM_GIDINFO2IOCINFO(gid_list, ii); if ((tmp->ioc_profile.ioc_guid == ioc_guid) && (tmp->ioc_state == IBDM_IOC_STATE_PROBE_SUCCESS)) { ioc = ibdm_dup_ioc_info(tmp, gid_list); if (gid_info) *gid_info = gid_list; /* set this ptr */ mutex_exit(&gid_list->gl_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); IBTF_DPRINTF_L4("ibdm", "\tget_ioc_info: End"); return (ioc); } } if (ii == iou->iou_num_ctrl_slots) ioc = NULL; mutex_exit(&gid_list->gl_mutex); gid_list = gid_list->gl_next; } ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); IBTF_DPRINTF_L4("ibdm", "\tget_ioc_info: failure End"); return (ioc); } /* * ibdm_ibnex_get_ioc_info() * Returns pointer to ibdm_ioc_info_t if it finds * matching record for the ioc_guid, otherwise NULL * is returned * * Note. this is a wrapper function to ibdm_get_ioc_info_with_gid() now. */ ibdm_ioc_info_t * ibdm_ibnex_get_ioc_info(ib_guid_t ioc_guid) { /* will not use the gid_info pointer, so the second arg is NULL */ return (ibdm_get_ioc_info_with_gid(ioc_guid, NULL)); } /* * ibdm_ibnex_get_ioc_count() * Returns number of ibdm_ioc_info_t it finds */ int ibdm_ibnex_get_ioc_count(void) { int count = 0, k; ibdm_ioc_info_t *ioc; ibdm_dp_gidinfo_t *gid_list; mutex_enter(&ibdm.ibdm_mutex); ibdm_sweep_fabric(0); while (ibdm.ibdm_busy & IBDM_BUSY) cv_wait(&ibdm.ibdm_busy_cv, &ibdm.ibdm_mutex); ibdm.ibdm_busy |= IBDM_BUSY; for (gid_list = ibdm.ibdm_dp_gidlist_head; gid_list; gid_list = gid_list->gl_next) { mutex_enter(&gid_list->gl_mutex); if ((gid_list->gl_state != IBDM_GID_PROBING_COMPLETE) || (gid_list->gl_iou == NULL)) { mutex_exit(&gid_list->gl_mutex); continue; } for (k = 0; k < gid_list->gl_iou->iou_info.iou_num_ctrl_slots; k++) { ioc = IBDM_GIDINFO2IOCINFO(gid_list, k); if (ioc->ioc_state == IBDM_IOC_STATE_PROBE_SUCCESS) ++count; } mutex_exit(&gid_list->gl_mutex); } ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); IBTF_DPRINTF_L4("ibdm", "\tget_ioc_count: count = %d", count); return (count); } /* * ibdm_ibnex_get_ioc_list() * Returns information about all the IOCs present on the fabric. * Reprobes the IOCs and the GID list if list_flag is set to REPROBE_ALL. * Does not sweep fabric if DONOT_PROBE is set */ ibdm_ioc_info_t * ibdm_ibnex_get_ioc_list(ibdm_ibnex_get_ioclist_mtd_t list_flag) { int ii; ibdm_ioc_info_t *ioc_list = NULL, *tmp, *ioc; ibdm_dp_gidinfo_t *gid_list; ib_dm_io_unitinfo_t *iou; IBTF_DPRINTF_L4("ibdm", "\tget_ioc_list: Enter"); mutex_enter(&ibdm.ibdm_mutex); if (list_flag != IBDM_IBNEX_DONOT_PROBE) ibdm_sweep_fabric(list_flag == IBDM_IBNEX_REPROBE_ALL); while (ibdm.ibdm_busy & IBDM_BUSY) cv_wait(&ibdm.ibdm_busy_cv, &ibdm.ibdm_mutex); ibdm.ibdm_busy |= IBDM_BUSY; gid_list = ibdm.ibdm_dp_gidlist_head; while (gid_list) { mutex_enter(&gid_list->gl_mutex); if (gid_list->gl_state != IBDM_GID_PROBING_COMPLETE) { mutex_exit(&gid_list->gl_mutex); gid_list = gid_list->gl_next; continue; } if (gid_list->gl_iou == NULL) { IBTF_DPRINTF_L2("ibdm", "\tget_ioc_list: No IOU info"); mutex_exit(&gid_list->gl_mutex); gid_list = gid_list->gl_next; continue; } iou = &gid_list->gl_iou->iou_info; for (ii = 0; ii < iou->iou_num_ctrl_slots; ii++) { ioc = IBDM_GIDINFO2IOCINFO(gid_list, ii); if (ioc->ioc_state == IBDM_IOC_STATE_PROBE_SUCCESS) { tmp = ibdm_dup_ioc_info(ioc, gid_list); tmp->ioc_next = ioc_list; ioc_list = tmp; } } mutex_exit(&gid_list->gl_mutex); gid_list = gid_list->gl_next; } ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); IBTF_DPRINTF_L4("ibdm", "\tget_ioc_list: End"); return (ioc_list); } /* * ibdm_dup_ioc_info() * Duplicate the IOC information and return the IOC * information. */ static ibdm_ioc_info_t * ibdm_dup_ioc_info(ibdm_ioc_info_t *in_ioc, ibdm_dp_gidinfo_t *gid_list) { ibdm_ioc_info_t *out_ioc; _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*out_ioc)); ASSERT(MUTEX_HELD(&gid_list->gl_mutex)); out_ioc = kmem_alloc(sizeof (ibdm_ioc_info_t), KM_SLEEP); bcopy(in_ioc, out_ioc, sizeof (ibdm_ioc_info_t)); ibdm_update_ioc_port_gidlist(out_ioc, gid_list); out_ioc->ioc_iou_dc_valid = gid_list->gl_iou->iou_dc_valid; out_ioc->ioc_iou_diagcode = gid_list->gl_iou->iou_diagcode; return (out_ioc); } /* * ibdm_free_ioc_list() * Deallocate memory for IOC list structure */ void ibdm_ibnex_free_ioc_list(ibdm_ioc_info_t *ioc) { ibdm_ioc_info_t *temp; IBTF_DPRINTF_L4("ibdm", "\tibnex_free_ioc_list:"); while (ioc) { temp = ioc; ioc = ioc->ioc_next; kmem_free(temp->ioc_gid_list, (sizeof (ibdm_gid_t) * temp->ioc_nportgids)); if (temp->ioc_hca_list) ibdm_ibnex_free_hca_list(temp->ioc_hca_list); kmem_free(temp, sizeof (ibdm_ioc_info_t)); } } /* * ibdm_ibnex_update_pkey_tbls * Updates the DM P_Key database. * NOTE: Two cases are handled here: P_Key being added or removed. * * Arguments : NONE * Return Values : NONE */ void ibdm_ibnex_update_pkey_tbls(void) { int h, pp, pidx; uint_t nports; uint_t size; ib_pkey_t new_pkey; ib_pkey_t *orig_pkey; ibdm_hca_list_t *hca_list; ibdm_port_attr_t *port; ibt_hca_portinfo_t *pinfop; IBTF_DPRINTF_L4("ibdm", "\tibnex_update_pkey_tbls:"); mutex_enter(&ibdm.ibdm_hl_mutex); hca_list = ibdm.ibdm_hca_list_head; for (h = 0; h < ibdm.ibdm_hca_count; h++) { /* This updates P_Key Tables for all ports of this HCA */ (void) ibt_query_hca_ports(hca_list->hl_hca_hdl, 0, &pinfop, &nports, &size); /* number of ports shouldn't have changed */ ASSERT(nports == hca_list->hl_nports); for (pp = 0; pp < hca_list->hl_nports; pp++) { port = &hca_list->hl_port_attr[pp]; /* * First figure out the P_Keys from IBTL. * Three things could have happened: * New P_Keys added * Existing P_Keys removed * Both of the above two * * Loop through the P_Key Indices and check if a * give P_Key_Ix matches that of the one seen by * IBDM. If they match no action is needed. * * If they don't match: * 1. if orig_pkey is invalid and new_pkey is valid * ---> add new_pkey to DM database * 2. if orig_pkey is valid and new_pkey is invalid * ---> remove orig_pkey from DM database * 3. if orig_pkey and new_pkey are both valid: * ---> remov orig_pkey from DM database * ---> add new_pkey to DM database * 4. if orig_pkey and new_pkey are both invalid: * ---> do nothing. Updated DM database. */ for (pidx = 0; pidx < port->pa_npkeys; pidx++) { new_pkey = pinfop[pp].p_pkey_tbl[pidx]; orig_pkey = &port->pa_pkey_tbl[pidx].pt_pkey; /* keys match - do nothing */ if (*orig_pkey == new_pkey) continue; if (IBDM_INVALID_PKEY(*orig_pkey) && !IBDM_INVALID_PKEY(new_pkey)) { /* P_Key was added */ IBTF_DPRINTF_L5("ibdm", "\tibnex_update_pkey_tbls: new " "P_Key added = 0x%x", new_pkey); *orig_pkey = new_pkey; ibdm_port_attr_ibmf_init(port, new_pkey, pp); } else if (!IBDM_INVALID_PKEY(*orig_pkey) && IBDM_INVALID_PKEY(new_pkey)) { /* P_Key was removed */ IBTF_DPRINTF_L5("ibdm", "\tibnex_update_pkey_tbls: P_Key " "removed = 0x%x", *orig_pkey); *orig_pkey = new_pkey; (void) ibdm_port_attr_ibmf_fini(port, pidx); } else if (!IBDM_INVALID_PKEY(*orig_pkey) && !IBDM_INVALID_PKEY(new_pkey)) { /* P_Key were replaced */ IBTF_DPRINTF_L5("ibdm", "\tibnex_update_pkey_tbls: P_Key " "replaced 0x%x with 0x%x", *orig_pkey, new_pkey); (void) ibdm_port_attr_ibmf_fini(port, pidx); *orig_pkey = new_pkey; ibdm_port_attr_ibmf_init(port, new_pkey, pp); } else { /* * P_Keys are invalid * set anyway to reflect if * INVALID_FULL was changed to * INVALID_LIMITED or vice-versa. */ *orig_pkey = new_pkey; } /* end of else */ } /* loop of p_key index */ } /* loop of #ports of HCA */ ibt_free_portinfo(pinfop, size); hca_list = hca_list->hl_next; } /* loop for all HCAs in the system */ mutex_exit(&ibdm.ibdm_hl_mutex); } /* * ibdm_send_ioc_profile() * Send IOC Controller Profile request. When the request is completed * IBMF calls ibdm_process_incoming_mad routine to inform about * the completion. */ static int ibdm_send_ioc_profile(ibdm_dp_gidinfo_t *gid_info, uint8_t ioc_no) { ibmf_msg_t *msg; ib_mad_hdr_t *hdr; ibdm_ioc_info_t *ioc_info = &(gid_info->gl_iou->iou_ioc_info[ioc_no]); ibdm_timeout_cb_args_t *cb_args; IBTF_DPRINTF_L4("ibdm", "\tsend_ioc_profile: " "gid info 0x%p, ioc_no = %d", gid_info, ioc_no); /* * Send command to get IOC profile. * Allocate a IBMF packet and initialize the packet. */ if (ibmf_alloc_msg(gid_info->gl_ibmf_hdl, IBMF_ALLOC_SLEEP, &msg) != IBMF_SUCCESS) { IBTF_DPRINTF_L4("ibdm", "\tsend_ioc_profile: pkt alloc fail"); return (IBDM_FAILURE); } _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*msg)) ibdm_alloc_send_buffers(msg); _NOTE(NOW_VISIBLE_TO_OTHER_THREADS(*msg)) mutex_enter(&gid_info->gl_mutex); ibdm_bump_transactionID(gid_info); mutex_exit(&gid_info->gl_mutex); msg->im_local_addr.ia_local_lid = gid_info->gl_slid; msg->im_local_addr.ia_remote_lid = gid_info->gl_dlid; if (gid_info->gl_redirected == B_TRUE) { if (gid_info->gl_redirect_dlid != 0) { msg->im_local_addr.ia_remote_lid = gid_info->gl_redirect_dlid; } msg->im_local_addr.ia_remote_qno = gid_info->gl_redirect_QP; msg->im_local_addr.ia_p_key = gid_info->gl_redirect_pkey; msg->im_local_addr.ia_q_key = gid_info->gl_redirect_qkey; msg->im_local_addr.ia_service_level = gid_info->gl_redirectSL; } else { msg->im_local_addr.ia_remote_qno = 1; msg->im_local_addr.ia_p_key = gid_info->gl_p_key; msg->im_local_addr.ia_q_key = IB_GSI_QKEY; msg->im_local_addr.ia_service_level = gid_info->gl_SL; } hdr = IBDM_OUT_IBMFMSG_MADHDR(msg); hdr->BaseVersion = MAD_CLASS_BASE_VERS_1; hdr->MgmtClass = MAD_MGMT_CLASS_DEV_MGT; hdr->ClassVersion = IB_DM_CLASS_VERSION_1; hdr->R_Method = IB_DM_DEVMGT_METHOD_GET; hdr->Status = 0; hdr->TransactionID = h2b64(gid_info->gl_transactionID); hdr->AttributeID = h2b16(IB_DM_ATTR_IOC_CTRL_PROFILE); hdr->AttributeModifier = h2b32(ioc_no + 1); ioc_info->ioc_state = IBDM_IOC_STATE_REPROBE_PROGRESS; cb_args = &ioc_info->ioc_cb_args; cb_args->cb_gid_info = gid_info; cb_args->cb_retry_count = ibdm_dft_retry_cnt; cb_args->cb_req_type = IBDM_REQ_TYPE_IOCINFO; cb_args->cb_ioc_num = ioc_no; mutex_enter(&gid_info->gl_mutex); ioc_info->ioc_timeout_id = timeout(ibdm_pkt_timeout_hdlr, cb_args, IBDM_TIMEOUT_VALUE(ibdm_dft_timeout)); mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L5("ibdm", "\tsend_ioc_profile:" "timeout %x", ioc_info->ioc_timeout_id); if (ibmf_msg_transport(gid_info->gl_ibmf_hdl, gid_info->gl_qp_hdl, msg, NULL, ibdm_ibmf_send_cb, cb_args, 0) != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tsend_ioc_profile: msg transport failed"); ibdm_ibmf_send_cb(gid_info->gl_ibmf_hdl, msg, cb_args); } ioc_info->ioc_state = IBDM_IOC_STATE_REPROBE_PROGRESS; return (IBDM_SUCCESS); } /* * ibdm_port_reachable * Returns B_TRUE if the port GID is reachable by sending * a SA query to get the NODE record for this port GUID. */ static boolean_t ibdm_port_reachable(ibmf_saa_handle_t sa_hdl, ib_guid_t guid) { sa_node_record_t *resp; size_t length; /* * Verify if it's reachable by getting the node record. */ if (ibdm_get_node_record_by_port(sa_hdl, guid, &resp, &length) == IBDM_SUCCESS) { kmem_free(resp, length); return (B_TRUE); } return (B_FALSE); } /* * ibdm_get_node_record_by_port * Sends a SA query to get the NODE record for port GUID * Returns IBDM_SUCCESS if the port GID is reachable. * * Note: the caller must be responsible for freeing the resource * by calling kmem_free(resp, length) later. */ static int ibdm_get_node_record_by_port(ibmf_saa_handle_t sa_hdl, ib_guid_t guid, sa_node_record_t **resp, size_t *length) { sa_node_record_t req; ibmf_saa_access_args_t args; int ret; ASSERT(resp != NULL && length != NULL); IBTF_DPRINTF_L4("ibdm", "\tport_reachable: port_guid %llx", guid); bzero(&req, sizeof (sa_node_record_t)); req.NodeInfo.PortGUID = guid; args.sq_attr_id = SA_NODERECORD_ATTRID; args.sq_access_type = IBMF_SAA_RETRIEVE; args.sq_component_mask = SA_NODEINFO_COMPMASK_PORTGUID; args.sq_template = &req; args.sq_callback = NULL; args.sq_callback_arg = NULL; ret = ibmf_sa_access(sa_hdl, &args, 0, length, (void **) resp); if (ret != IBMF_SUCCESS) { IBTF_DPRINTF_L2("ibdm", "\tport_reachable:" " SA Retrieve Failed: %d", ret); return (IBDM_FAILURE); } if (*resp == NULL || *length == 0) { IBTF_DPRINTF_L2("ibdm", "\tport_reachable: No records"); return (IBDM_FAILURE); } /* * There is one NodeRecord on each endport on a subnet. */ ASSERT(*length == sizeof (sa_node_record_t)); return (IBDM_SUCCESS); } /* * Update the gidlist for all affected IOCs when GID becomes * available/unavailable. * * Parameters : * gidinfo - Incoming / Outgoing GID. * add_flag - 1 for GID added, 0 for GID removed. * - (-1) : IOC gid list updated, ioc_list required. * * This function gets the GID for the node GUID corresponding to the * port GID. Gets the IOU info */ static ibdm_ioc_info_t * ibdm_update_ioc_gidlist(ibdm_dp_gidinfo_t *gid_info, int avail_flag) { ibdm_dp_gidinfo_t *node_gid = NULL; uint8_t niocs, ii; ibdm_ioc_info_t *ioc, *ioc_list = NULL, *tmp; IBTF_DPRINTF_L4("ibdm", "\tupdate_ioc_gidlist"); switch (avail_flag) { case 1 : node_gid = ibdm_check_dest_nodeguid(gid_info); break; case 0 : node_gid = ibdm_handle_gid_rm(gid_info); break; case -1 : node_gid = gid_info; break; default : break; } if (node_gid == NULL) { IBTF_DPRINTF_L4("ibdm", "\tupdate_ioc_gidlist: " "No node GID found, port gid 0x%p, avail_flag %d", gid_info, avail_flag); return (NULL); } mutex_enter(&node_gid->gl_mutex); if ((node_gid->gl_state != IBDM_GID_PROBING_COMPLETE && node_gid->gl_state != IBDM_GID_PROBING_SKIPPED) || node_gid->gl_iou == NULL) { IBTF_DPRINTF_L4("ibdm", "\tupdate_ioc_gidlist " "gl_state %x, gl_iou %p", node_gid->gl_state, node_gid->gl_iou); mutex_exit(&node_gid->gl_mutex); return (NULL); } niocs = node_gid->gl_iou->iou_info.iou_num_ctrl_slots; IBTF_DPRINTF_L4("ibdm", "\tupdate_ioc_gidlist : niocs %x", niocs); for (ii = 0; ii < niocs; ii++) { ioc = IBDM_GIDINFO2IOCINFO(node_gid, ii); /* * Skip IOCs for which probe is not complete or * reprobe is progress */ if (ioc->ioc_state == IBDM_IOC_STATE_PROBE_SUCCESS) { tmp = ibdm_dup_ioc_info(ioc, node_gid); tmp->ioc_info_updated.ib_gid_prop_updated = 1; tmp->ioc_next = ioc_list; ioc_list = tmp; } } mutex_exit(&node_gid->gl_mutex); IBTF_DPRINTF_L4("ibdm", "\tupdate_ioc_gidlist : return %p", ioc_list); return (ioc_list); } /* * ibdm_saa_event_cb : * Event handling which does *not* require ibdm_hl_mutex to be * held are executed in the same thread. This is to prevent * deadlocks with HCA port down notifications which hold the * ibdm_hl_mutex. * * GID_AVAILABLE event is handled here. A taskq is spawned to * handle GID_UNAVAILABLE. * * A new mutex ibdm_ibnex_mutex has been introduced to protect * ibnex_callback. This has been done to prevent any possible * deadlock (described above) while handling GID_AVAILABLE. * * IBMF calls the event callback for a HCA port. The SA handle * for this port would be valid, till the callback returns. * IBDM calling IBDM using the above SA handle should be valid. * * IBDM will additionally check (SA handle != NULL), before * calling IBMF. */ /*ARGSUSED*/ static void ibdm_saa_event_cb(ibmf_saa_handle_t ibmf_saa_handle, ibmf_saa_subnet_event_t ibmf_saa_event, ibmf_saa_event_details_t *event_details, void *callback_arg) { ibdm_saa_event_arg_t *event_arg; ib_gid_t sgid, dgid; ibdm_port_attr_t *hca_port; ibdm_dp_gidinfo_t *gid_info, *node_gid_info = NULL; sa_node_record_t *nrec; size_t length; _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*event_arg)); hca_port = (ibdm_port_attr_t *)callback_arg; IBTF_DPRINTF_L4("ibdm", "\tsaa_event_cb(%x, %x, %x, %x)\n", ibmf_saa_handle, ibmf_saa_event, event_details, callback_arg); #ifdef DEBUG if (ibdm_ignore_saa_event) return; #endif if (ibmf_saa_event == IBMF_SAA_EVENT_GID_AVAILABLE) { /* * Ensure no other probe / sweep fabric is in * progress. */ mutex_enter(&ibdm.ibdm_mutex); while (ibdm.ibdm_busy & IBDM_BUSY) cv_wait(&ibdm.ibdm_busy_cv, &ibdm.ibdm_mutex); ibdm.ibdm_busy |= IBDM_BUSY; mutex_exit(&ibdm.ibdm_mutex); /* * If we already know about this GID, return. * GID_AVAILABLE may be reported for multiple HCA * ports. */ if ((ibdm_check_dgid(event_details->ie_gid.gid_guid, event_details->ie_gid.gid_prefix)) != NULL) { mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); return; } IBTF_DPRINTF_L4("ibdm", "\tGID (prefix %x, guid %llx) " "Insertion notified", event_details->ie_gid.gid_prefix, event_details->ie_gid.gid_guid); /* This is a new gid, insert it to GID list */ sgid.gid_prefix = hca_port->pa_sn_prefix; sgid.gid_guid = hca_port->pa_port_guid; dgid.gid_prefix = event_details->ie_gid.gid_prefix; dgid.gid_guid = event_details->ie_gid.gid_guid; gid_info = ibdm_create_gid_info(hca_port, sgid, dgid); if (gid_info == NULL) { IBTF_DPRINTF_L4("ibdm", "\tGID_AVAILABLE: " "create_gid_info returned NULL"); mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); return; } mutex_enter(&gid_info->gl_mutex); gid_info->gl_state = IBDM_GID_PROBING_SKIPPED; mutex_exit(&gid_info->gl_mutex); /* Get the node GUID */ if (ibdm_get_node_record_by_port(ibmf_saa_handle, dgid.gid_guid, &nrec, &length) != IBDM_SUCCESS) { /* * Set the state to PROBE_NOT_DONE for the * next sweep to probe it */ IBTF_DPRINTF_L2("ibdm", "\tsaa_event_taskq: " "Skipping GID : port GUID not found"); mutex_enter(&gid_info->gl_mutex); gid_info->gl_state = IBDM_GID_PROBE_NOT_DONE; mutex_exit(&gid_info->gl_mutex); mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); return; } gid_info->gl_nodeguid = nrec->NodeInfo.NodeGUID; gid_info->gl_devid = nrec->NodeInfo.DeviceID; kmem_free(nrec, length); gid_info->gl_portguid = dgid.gid_guid; /* * Get the gid info with the same node GUID. */ mutex_enter(&ibdm.ibdm_mutex); node_gid_info = ibdm.ibdm_dp_gidlist_head; while (node_gid_info) { if (node_gid_info->gl_nodeguid == gid_info->gl_nodeguid && node_gid_info->gl_iou != NULL) { break; } node_gid_info = node_gid_info->gl_next; } mutex_exit(&ibdm.ibdm_mutex); /* * Handling a new GID requires filling of gl_hca_list. * This require ibdm hca_list to be parsed and hence * holding the ibdm_hl_mutex. Spawning a new thread to * handle this. */ if (node_gid_info == NULL) { if (taskq_dispatch(system_taskq, ibdm_saa_handle_new_gid, (void *)gid_info, TQ_NOSLEEP) == NULL) { IBTF_DPRINTF_L2("ibdm", "\tsaa_event_cb: " "new_gid taskq_dispatch failed"); return; } } mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); return; } if (ibmf_saa_event != IBMF_SAA_EVENT_GID_UNAVAILABLE) return; event_arg = (ibdm_saa_event_arg_t *)kmem_alloc( sizeof (ibdm_saa_event_arg_t), KM_SLEEP); event_arg->ibmf_saa_handle = ibmf_saa_handle; event_arg->ibmf_saa_event = ibmf_saa_event; bcopy(event_details, &event_arg->event_details, sizeof (ibmf_saa_event_details_t)); event_arg->callback_arg = callback_arg; if (taskq_dispatch(system_taskq, ibdm_saa_event_taskq, (void *)event_arg, TQ_NOSLEEP) == NULL) { IBTF_DPRINTF_L2("ibdm", "\tsaa_event_cb: " "taskq_dispatch failed"); ibdm_free_saa_event_arg(event_arg); return; } } /* * Handle a new GID discovered by GID_AVAILABLE saa event. */ void ibdm_saa_handle_new_gid(void *arg) { ibdm_dp_gidinfo_t *gid_info; ibdm_hca_list_t *hca_list = NULL; ibdm_port_attr_t *port = NULL; ibdm_ioc_info_t *ioc_list = NULL; IBTF_DPRINTF_L4(ibdm_string, "\tsaa_handle_new_gid(%p)", arg); gid_info = (ibdm_dp_gidinfo_t *)arg; /* * Ensure that no other sweep / probe has completed * probing this gid. */ mutex_enter(&gid_info->gl_mutex); if (gid_info->gl_state != IBDM_GID_PROBE_NOT_DONE) { mutex_exit(&gid_info->gl_mutex); return; } mutex_exit(&gid_info->gl_mutex); /* * Parse HCAs to fill gl_hca_list */ mutex_enter(&ibdm.ibdm_hl_mutex); for (ibdm_get_next_port(&hca_list, &port, 1); port; ibdm_get_next_port(&hca_list, &port, 1)) { if (ibdm_port_reachable(port->pa_sa_hdl, gid_info->gl_portguid) == B_TRUE) { ibdm_addto_glhcalist(gid_info, hca_list); } } mutex_exit(&ibdm.ibdm_hl_mutex); /* * Ensure no other probe / sweep fabric is in * progress. */ mutex_enter(&ibdm.ibdm_mutex); while (ibdm.ibdm_busy & IBDM_BUSY) cv_wait(&ibdm.ibdm_busy_cv, &ibdm.ibdm_mutex); ibdm.ibdm_busy |= IBDM_BUSY; mutex_exit(&ibdm.ibdm_mutex); /* * New IOU probe it, to check if new IOCs */ IBTF_DPRINTF_L4(ibdm_string, "\tsaa_handle_new_gid: " "new GID : probing"); mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_ngid_probes_in_progress++; mutex_exit(&ibdm.ibdm_mutex); mutex_enter(&gid_info->gl_mutex); gid_info->gl_reprobe_flag = 0; gid_info->gl_state = IBDM_GID_PROBE_NOT_DONE; mutex_exit(&gid_info->gl_mutex); ibdm_probe_gid_thread((void *)gid_info); mutex_enter(&ibdm.ibdm_mutex); ibdm_wait_probe_completion(); mutex_exit(&ibdm.ibdm_mutex); if (gid_info->gl_iou == NULL) { mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); return; } /* * Update GID list in all IOCs affected by this */ ioc_list = ibdm_update_ioc_gidlist(gid_info, 1); /* * Pass on the IOCs with updated GIDs to IBnexus */ if (ioc_list) { mutex_enter(&ibdm.ibdm_ibnex_mutex); if (ibdm.ibdm_ibnex_callback != NULL) { (*ibdm.ibdm_ibnex_callback)((void *)ioc_list, IBDM_EVENT_IOC_PROP_UPDATE); } mutex_exit(&ibdm.ibdm_ibnex_mutex); } mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); } /* * ibdm_saa_event_taskq : * GID_UNAVAILABLE Event handling requires ibdm_hl_mutex to be * held. The GID_UNAVAILABLE handling is done in a taskq to * prevent deadlocks with HCA port down notifications which hold * ibdm_hl_mutex. */ void ibdm_saa_event_taskq(void *arg) { ibdm_saa_event_arg_t *event_arg; ibmf_saa_handle_t ibmf_saa_handle; ibmf_saa_subnet_event_t ibmf_saa_event; ibmf_saa_event_details_t *event_details; void *callback_arg; ibdm_dp_gidinfo_t *gid_info; ibdm_port_attr_t *hca_port, *port = NULL; ibdm_hca_list_t *hca_list = NULL; int sa_handle_valid = 0; ibdm_ioc_info_t *ioc_list = NULL; _NOTE(NOW_INVISIBLE_TO_OTHER_THREADS(*event_arg)); event_arg = (ibdm_saa_event_arg_t *)arg; ibmf_saa_handle = event_arg->ibmf_saa_handle; ibmf_saa_event = event_arg->ibmf_saa_event; event_details = &event_arg->event_details; callback_arg = event_arg->callback_arg; ASSERT(callback_arg != NULL); ASSERT(ibmf_saa_event == IBMF_SAA_EVENT_GID_UNAVAILABLE); IBTF_DPRINTF_L4("ibdm", "\tsaa_event_taskq(%x, %x, %x, %x)", ibmf_saa_handle, ibmf_saa_event, event_details, callback_arg); hca_port = (ibdm_port_attr_t *)callback_arg; /* Check if the port_attr is still valid */ mutex_enter(&ibdm.ibdm_hl_mutex); for (ibdm_get_next_port(&hca_list, &port, 0); port; ibdm_get_next_port(&hca_list, &port, 0)) { if (port == hca_port && port->pa_port_guid == hca_port->pa_port_guid) { if (ibmf_saa_handle == hca_port->pa_sa_hdl) sa_handle_valid = 1; break; } } mutex_exit(&ibdm.ibdm_hl_mutex); if (sa_handle_valid == 0) { ibdm_free_saa_event_arg(event_arg); return; } if (hca_port && (hca_port->pa_sa_hdl == NULL || ibmf_saa_handle != hca_port->pa_sa_hdl)) { ibdm_free_saa_event_arg(event_arg); return; } hca_list = NULL; port = NULL; /* * Check if the GID is visible to other HCA ports. * Return if so. */ mutex_enter(&ibdm.ibdm_hl_mutex); for (ibdm_get_next_port(&hca_list, &port, 1); port; ibdm_get_next_port(&hca_list, &port, 1)) { if (ibdm_port_reachable(port->pa_sa_hdl, event_details->ie_gid.gid_guid) == B_TRUE) { mutex_exit(&ibdm.ibdm_hl_mutex); ibdm_free_saa_event_arg(event_arg); return; } } mutex_exit(&ibdm.ibdm_hl_mutex); /* * Ensure no other probe / sweep fabric is in * progress. */ mutex_enter(&ibdm.ibdm_mutex); while (ibdm.ibdm_busy & IBDM_BUSY) cv_wait(&ibdm.ibdm_busy_cv, &ibdm.ibdm_mutex); ibdm.ibdm_busy |= IBDM_BUSY; mutex_exit(&ibdm.ibdm_mutex); /* * If this GID is no longer in GID list, return * GID_UNAVAILABLE may be reported for multiple HCA * ports. */ mutex_enter(&ibdm.ibdm_mutex); gid_info = ibdm.ibdm_dp_gidlist_head; while (gid_info) { if (gid_info->gl_portguid == event_details->ie_gid.gid_guid) { break; } gid_info = gid_info->gl_next; } mutex_exit(&ibdm.ibdm_mutex); if (gid_info == NULL) { mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); ibdm_free_saa_event_arg(event_arg); return; } IBTF_DPRINTF_L4("ibdm", "\tGID (prefix %x, guid %llx) " "Unavailable notification", event_details->ie_gid.gid_prefix, event_details->ie_gid.gid_guid); /* * Update GID list in all IOCs affected by this */ if (gid_info->gl_state == IBDM_GID_PROBING_SKIPPED || gid_info->gl_state == IBDM_GID_PROBING_COMPLETE) ioc_list = ibdm_update_ioc_gidlist(gid_info, 0); /* * Remove GID from the global GID list * Handle the case where all port GIDs for an * IOU have been hot-removed. Check both gid_info * & ioc_info for checking ngids. */ mutex_enter(&ibdm.ibdm_mutex); if (gid_info->gl_iou != NULL && gid_info->gl_ngids == 0) { mutex_enter(&gid_info->gl_mutex); (void) ibdm_free_iou_info(gid_info, &gid_info->gl_iou); mutex_exit(&gid_info->gl_mutex); } if (gid_info->gl_prev != NULL) gid_info->gl_prev->gl_next = gid_info->gl_next; if (gid_info->gl_next != NULL) gid_info->gl_next->gl_prev = gid_info->gl_prev; if (gid_info == ibdm.ibdm_dp_gidlist_head) ibdm.ibdm_dp_gidlist_head = gid_info->gl_next; if (gid_info == ibdm.ibdm_dp_gidlist_tail) ibdm.ibdm_dp_gidlist_tail = gid_info->gl_prev; ibdm.ibdm_ngids--; ibdm.ibdm_busy &= ~IBDM_BUSY; cv_broadcast(&ibdm.ibdm_busy_cv); mutex_exit(&ibdm.ibdm_mutex); /* free the hca_list on this gid_info */ ibdm_delete_glhca_list(gid_info); mutex_destroy(&gid_info->gl_mutex); kmem_free(gid_info, sizeof (ibdm_dp_gidinfo_t)); /* * Pass on the IOCs with updated GIDs to IBnexus */ if (ioc_list) { IBTF_DPRINTF_L4("ibdm", "\tGID_UNAVAILABLE " "IOC_PROP_UPDATE for %p\n", ioc_list); mutex_enter(&ibdm.ibdm_ibnex_mutex); if (ibdm.ibdm_ibnex_callback != NULL) { (*ibdm.ibdm_ibnex_callback)((void *) ioc_list, IBDM_EVENT_IOC_PROP_UPDATE); } mutex_exit(&ibdm.ibdm_ibnex_mutex); } ibdm_free_saa_event_arg(event_arg); } static int ibdm_cmp_gid_list(ibdm_gid_t *new, ibdm_gid_t *prev) { ibdm_gid_t *scan_new, *scan_prev; int cmp_failed = 0; ASSERT(new != NULL); ASSERT(prev != NULL); /* * Search for each new gid anywhere in the prev GID list. * Note that the gid list could have been re-ordered. */ for (scan_new = new; scan_new; scan_new = scan_new->gid_next) { for (scan_prev = prev, cmp_failed = 1; scan_prev; scan_prev = scan_prev->gid_next) { if (scan_prev->gid_dgid_hi == scan_new->gid_dgid_hi && scan_prev->gid_dgid_lo == scan_new->gid_dgid_lo) { cmp_failed = 0; break; } } if (cmp_failed) return (1); } return (0); } /* * This is always called in a single thread * This function updates the gid_list and serv_list of IOC * The current gid_list is in ioc_info_t(contains only port * guids for which probe is done) & gidinfo_t(other port gids) * The gids in both locations are used for comparision. */ static void ibdm_reprobe_update_port_srv(ibdm_ioc_info_t *ioc, ibdm_dp_gidinfo_t *gidinfo) { ibdm_gid_t *cur_gid_list; uint_t cur_nportgids; ASSERT(MUTEX_HELD(&ibdm.ibdm_mutex)); ioc->ioc_info_updated.ib_prop_updated = 0; /* Current GID list in gid_info only */ cur_gid_list = gidinfo->gl_gid; cur_nportgids = gidinfo->gl_ngids; if (ioc->ioc_prev_serv_cnt != ioc->ioc_profile.ioc_service_entries || ibdm_serv_cmp(&ioc->ioc_serv[0], &ioc->ioc_prev_serv[0], ioc->ioc_prev_serv_cnt)) ioc->ioc_info_updated.ib_srv_prop_updated = 1; if (ioc->ioc_prev_nportgids != cur_nportgids || ioc->ioc_prev_gid_list == NULL || cur_gid_list == NULL) { ioc->ioc_info_updated.ib_gid_prop_updated = 1; } else if (ibdm_cmp_gid_list(ioc->ioc_prev_gid_list, cur_gid_list)) { ioc->ioc_info_updated.ib_gid_prop_updated = 1; } /* Zero out previous entries */ ibdm_free_gid_list(ioc->ioc_prev_gid_list); if (ioc->ioc_prev_serv) kmem_free(ioc->ioc_prev_serv, ioc->ioc_prev_serv_cnt * sizeof (ibdm_srvents_info_t)); ioc->ioc_prev_serv_cnt = 0; ioc->ioc_prev_nportgids = 0; ioc->ioc_prev_serv = NULL; ioc->ioc_prev_gid_list = NULL; } /* * Handle GID removal. This returns gid_info of an GID for the same * node GUID, if found. For an GID with IOU information, the same * gid_info is returned if no gid_info with same node_guid is found. */ static ibdm_dp_gidinfo_t * ibdm_handle_gid_rm(ibdm_dp_gidinfo_t *rm_gid) { ibdm_dp_gidinfo_t *gid_list; IBTF_DPRINTF_L4("ibdm", "\thandle_gid_rm(0x%p)", rm_gid); if (rm_gid->gl_iou == NULL) { IBTF_DPRINTF_L4("ibdm", "\thandle_gid_rm NO iou"); /* * Search for a GID with same node_guid and * gl_iou != NULL */ for (gid_list = ibdm.ibdm_dp_gidlist_head; gid_list; gid_list = gid_list->gl_next) { if (gid_list->gl_iou != NULL && (gid_list->gl_nodeguid == rm_gid->gl_nodeguid)) break; } if (gid_list) ibdm_rmfrom_glgid_list(gid_list, rm_gid); IBTF_DPRINTF_L4("ibdm", "\thandle_gid_rm ret %p", gid_list); return (gid_list); } else { /* * Search for a GID with same node_guid and * gl_iou == NULL */ IBTF_DPRINTF_L4("ibdm", "\thandle_gid_rm with iou"); for (gid_list = ibdm.ibdm_dp_gidlist_head; gid_list; gid_list = gid_list->gl_next) { if (gid_list->gl_iou == NULL && (gid_list->gl_nodeguid == rm_gid->gl_nodeguid)) break; } if (gid_list) { /* * Copy the following fields from rm_gid : * 1. gl_state * 2. gl_iou * 3. gl_gid & gl_ngids * * Note : Function is synchronized by * ibdm_busy flag. * * Note : Redirect info is initialized if * any MADs for the GID fail */ IBTF_DPRINTF_L4("ibdm", "\thandle_gid_rm " "copying info to GID with gl_iou != NULl"); gid_list->gl_state = rm_gid->gl_state; gid_list->gl_iou = rm_gid->gl_iou; gid_list->gl_gid = rm_gid->gl_gid; gid_list->gl_ngids = rm_gid->gl_ngids; /* Remove the GID from gl_gid list */ ibdm_rmfrom_glgid_list(gid_list, rm_gid); } else { /* * Handle a case where all GIDs to the IOU have * been removed. */ IBTF_DPRINTF_L4("ibdm", "\thandle_gid_rm 0 GID " "to IOU"); ibdm_rmfrom_glgid_list(rm_gid, rm_gid); return (rm_gid); } IBTF_DPRINTF_L4("ibdm", "\thandle_gid_rm ret %p", gid_list); return (gid_list); } } static void ibdm_rmfrom_glgid_list(ibdm_dp_gidinfo_t *gid_info, ibdm_dp_gidinfo_t *rm_gid) { ibdm_gid_t *tmp, *prev; IBTF_DPRINTF_L4("ibdm", "\trmfrom_glgid (%p, %p)", gid_info, rm_gid); for (tmp = gid_info->gl_gid, prev = NULL; tmp; ) { if (tmp->gid_dgid_hi == rm_gid->gl_dgid_hi && tmp->gid_dgid_lo == rm_gid->gl_dgid_lo) { if (prev == NULL) gid_info->gl_gid = tmp->gid_next; else prev->gid_next = tmp->gid_next; kmem_free(tmp, sizeof (ibdm_gid_t)); gid_info->gl_ngids--; break; } else { prev = tmp; tmp = tmp->gid_next; } } } static void ibdm_addto_gidlist(ibdm_gid_t **src_ptr, ibdm_gid_t *dest) { ibdm_gid_t *head = NULL, *new, *tail; /* First copy the destination */ for (; dest; dest = dest->gid_next) { new = kmem_zalloc(sizeof (ibdm_gid_t), KM_SLEEP); new->gid_dgid_hi = dest->gid_dgid_hi; new->gid_dgid_lo = dest->gid_dgid_lo; new->gid_next = head; head = new; } /* Insert this to the source */ if (*src_ptr == NULL) *src_ptr = head; else { for (tail = *src_ptr; tail->gid_next != NULL; tail = tail->gid_next) ; tail->gid_next = head; } } static void ibdm_free_gid_list(ibdm_gid_t *head) { ibdm_gid_t *delete; for (delete = head; delete; ) { head = delete->gid_next; kmem_free(delete, sizeof (ibdm_gid_t)); delete = head; } } /* * This function rescans the DM capable GIDs (gl_state is * GID_PROBE_COMPLETE or IBDM_GID_PROBING_SKIPPED.This * basically checks if the DM capable GID is reachable. If * not this is handled the same way as GID_UNAVAILABLE, * except that notifications are not send to IBnexus. * * This function also initializes the ioc_prev_list for * a particular IOC (when called from probe_ioc, with * ioc_guidp != NULL) or all IOCs for the gid (called from * sweep_fabric, ioc_guidp == NULL). */ static void ibdm_rescan_gidlist(ib_guid_t *ioc_guidp) { ibdm_dp_gidinfo_t *gid_info, *tmp; int ii, niocs, found; ibdm_hca_list_t *hca_list = NULL; ibdm_port_attr_t *port = NULL; ibdm_ioc_info_t *ioc_list; for (gid_info = ibdm.ibdm_dp_gidlist_head; gid_info; ) { found = 0; if (gid_info->gl_state != IBDM_GID_PROBING_SKIPPED && gid_info->gl_state != IBDM_GID_PROBING_COMPLETE) { gid_info = gid_info->gl_next; continue; } /* * Check if the GID is visible to any HCA ports. * Return if so. */ mutex_enter(&ibdm.ibdm_hl_mutex); for (ibdm_get_next_port(&hca_list, &port, 1); port; ibdm_get_next_port(&hca_list, &port, 1)) { if (ibdm_port_reachable(port->pa_sa_hdl, gid_info->gl_dgid_lo) == B_TRUE) { found = 1; break; } } mutex_exit(&ibdm.ibdm_hl_mutex); if (found) { if (gid_info->gl_iou == NULL) { gid_info = gid_info->gl_next; continue; } /* Intialize the ioc_prev_gid_list */ niocs = gid_info->gl_iou->iou_info.iou_num_ctrl_slots; for (ii = 0; ii < niocs; ii++) { ioc_list = IBDM_GIDINFO2IOCINFO(gid_info, ii); if (ioc_guidp == NULL || (*ioc_guidp == ioc_list->ioc_profile.ioc_guid)) { /* Add info of GIDs in gid_info also */ ibdm_addto_gidlist( &ioc_list->ioc_prev_gid_list, gid_info->gl_gid); ioc_list->ioc_prev_nportgids = gid_info->gl_ngids; } } gid_info = gid_info->gl_next; continue; } IBTF_DPRINTF_L4("ibdm", "\trescan_gidlist " "deleted port GUID %llx", gid_info->gl_dgid_lo); /* * Update GID list in all IOCs affected by this */ ioc_list = ibdm_update_ioc_gidlist(gid_info, 0); /* * Remove GID from the global GID list * Handle the case where all port GIDs for an * IOU have been hot-removed. */ mutex_enter(&ibdm.ibdm_mutex); if (gid_info->gl_iou != NULL && gid_info->gl_ngids == 0) { mutex_enter(&gid_info->gl_mutex); (void) ibdm_free_iou_info(gid_info, &gid_info->gl_iou); mutex_exit(&gid_info->gl_mutex); } tmp = gid_info->gl_next; if (gid_info->gl_prev != NULL) gid_info->gl_prev->gl_next = gid_info->gl_next; if (gid_info->gl_next != NULL) gid_info->gl_next->gl_prev = gid_info->gl_prev; if (gid_info == ibdm.ibdm_dp_gidlist_head) ibdm.ibdm_dp_gidlist_head = gid_info->gl_next; if (gid_info == ibdm.ibdm_dp_gidlist_tail) ibdm.ibdm_dp_gidlist_tail = gid_info->gl_prev; ibdm.ibdm_ngids--; mutex_exit(&ibdm.ibdm_mutex); /* free the hca_list on this gid_info */ ibdm_delete_glhca_list(gid_info); mutex_destroy(&gid_info->gl_mutex); kmem_free(gid_info, sizeof (ibdm_dp_gidinfo_t)); gid_info = tmp; /* * Pass on the IOCs with updated GIDs to IBnexus */ if (ioc_list) { IBTF_DPRINTF_L4("ibdm", "\trescan_gidlist " "IOC_PROP_UPDATE for %p\n", ioc_list); mutex_enter(&ibdm.ibdm_ibnex_mutex); if (ibdm.ibdm_ibnex_callback != NULL) { (*ibdm.ibdm_ibnex_callback)((void *) ioc_list, IBDM_EVENT_IOC_PROP_UPDATE); } mutex_exit(&ibdm.ibdm_ibnex_mutex); } } } /* * This function notifies IBnex of IOCs on this GID. * Notification is for GIDs with gl_reprobe_flag set. * The flag is set when IOC probe / fabric sweep * probes a GID starting from CLASS port info. * * IBnexus will have information of a reconnected IOC * if it had probed it before. If this is a new IOC, * IBnexus ignores the notification. * * This function should be called with no locks held. */ static void ibdm_notify_newgid_iocs(ibdm_dp_gidinfo_t *gid_info) { ibdm_ioc_info_t *ioc_list; if (gid_info->gl_reprobe_flag == 0 || gid_info->gl_iou == NULL) return; ioc_list = ibdm_update_ioc_gidlist(gid_info, -1); /* * Pass on the IOCs with updated GIDs to IBnexus */ if (ioc_list) { mutex_enter(&ibdm.ibdm_ibnex_mutex); if (ibdm.ibdm_ibnex_callback != NULL) { (*ibdm.ibdm_ibnex_callback)((void *)ioc_list, IBDM_EVENT_IOC_PROP_UPDATE); } mutex_exit(&ibdm.ibdm_ibnex_mutex); } } static void ibdm_free_saa_event_arg(ibdm_saa_event_arg_t *arg) { if (arg != NULL) kmem_free(arg, sizeof (ibdm_saa_event_arg_t)); } /* * This function parses the list of HCAs and HCA ports * to return the port_attr of the next HCA port. A port * connected to IB fabric (port_state active) is returned, * if connected_flag is set. */ static void ibdm_get_next_port(ibdm_hca_list_t **inp_hcap, ibdm_port_attr_t **inp_portp, int connect_flag) { int ii; ibdm_port_attr_t *port, *next_port = NULL; ibdm_port_attr_t *inp_port; ibdm_hca_list_t *hca_list; int found = 0; ASSERT(MUTEX_HELD(&ibdm.ibdm_hl_mutex)); IBTF_DPRINTF_L4(ibdm_string, "\tget_next_port(%p, %p, %x)", inp_hcap, inp_portp, connect_flag); hca_list = *inp_hcap; inp_port = *inp_portp; if (hca_list == NULL) hca_list = ibdm.ibdm_hca_list_head; for (; hca_list; hca_list = hca_list->hl_next) { for (ii = 0; ii < hca_list->hl_nports; ii++) { port = &hca_list->hl_port_attr[ii]; /* * inp_port != NULL; * Skip till we find the matching port */ if (inp_port && !found) { if (inp_port == port) found = 1; continue; } if (!connect_flag) { next_port = port; break; } if (port->pa_sa_hdl == NULL) ibdm_initialize_port(port); if (port->pa_sa_hdl == NULL) (void) ibdm_fini_port(port); else if (next_port == NULL && port->pa_sa_hdl != NULL && port->pa_state == IBT_PORT_ACTIVE) { next_port = port; break; } } if (next_port) break; } IBTF_DPRINTF_L4(ibdm_string, "\tget_next_port : " "returns hca_list %p port %p", hca_list, next_port); *inp_hcap = hca_list; *inp_portp = next_port; } static void ibdm_add_to_gl_gid(ibdm_dp_gidinfo_t *nodegid, ibdm_dp_gidinfo_t *addgid) { ibdm_gid_t *tmp; tmp = kmem_zalloc(sizeof (ibdm_gid_t), KM_SLEEP); tmp->gid_dgid_hi = addgid->gl_dgid_hi; tmp->gid_dgid_lo = addgid->gl_dgid_lo; mutex_enter(&nodegid->gl_mutex); tmp->gid_next = nodegid->gl_gid; nodegid->gl_gid = tmp; nodegid->gl_ngids++; mutex_exit(&nodegid->gl_mutex); } static void ibdm_addto_glhcalist(ibdm_dp_gidinfo_t *gid_info, ibdm_hca_list_t *hca) { ibdm_hca_list_t *head, *prev = NULL, *temp; IBTF_DPRINTF_L4(ibdm_string, "\taddto_glhcalist(%p, %p) " ": gl_hca_list %p", gid_info, hca, gid_info->gl_hca_list); ASSERT(!MUTEX_HELD(&gid_info->gl_mutex)); mutex_enter(&gid_info->gl_mutex); head = gid_info->gl_hca_list; if (head == NULL) { head = ibdm_dup_hca_attr(hca); head->hl_next = NULL; gid_info->gl_hca_list = head; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L4(ibdm_string, "\tadd_to_glhcalist: " "gid %p, gl_hca_list %p", gid_info, gid_info->gl_hca_list); return; } /* Check if already in the list */ while (head) { if (head->hl_hca_guid == hca->hl_hca_guid) { mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L4(ibdm_string, "\taddto_glhcalist : gid %p hca %p dup", gid_info, hca); return; } prev = head; head = head->hl_next; } /* Add this HCA to gl_hca_list */ temp = ibdm_dup_hca_attr(hca); temp->hl_next = NULL; prev->hl_next = temp; mutex_exit(&gid_info->gl_mutex); IBTF_DPRINTF_L4(ibdm_string, "\tadd_to_glhcalist: " "gid %p, gl_hca_list %p", gid_info, gid_info->gl_hca_list); } static void ibdm_delete_glhca_list(ibdm_dp_gidinfo_t *gid_info) { ASSERT(!MUTEX_HELD(&gid_info->gl_mutex)); ASSERT(!MUTEX_HELD(&ibdm.ibdm_mutex)); mutex_enter(&gid_info->gl_mutex); if (gid_info->gl_hca_list) ibdm_ibnex_free_hca_list(gid_info->gl_hca_list); gid_info->gl_hca_list = NULL; mutex_exit(&gid_info->gl_mutex); } static void ibdm_reset_all_dgids(ibmf_saa_handle_t port_sa_hdl) { IBTF_DPRINTF_L4(ibdm_string, "\treset_all_dgids(%X)", port_sa_hdl); ASSERT(!MUTEX_HELD(&ibdm.ibdm_mutex)); ASSERT(!MUTEX_HELD(&ibdm.ibdm_hl_mutex)); /* Check : Not busy in another probe / sweep */ mutex_enter(&ibdm.ibdm_mutex); if ((ibdm.ibdm_busy & IBDM_BUSY) == 0) { ibdm_dp_gidinfo_t *gid_info; ibdm.ibdm_busy |= IBDM_BUSY; mutex_exit(&ibdm.ibdm_mutex); /* * Check if any GID is using the SA & IBMF handle * of HCA port going down. Reset ibdm_dp_gidinfo_t * using another HCA port which can reach the GID. * This is for DM capable GIDs only, no need to do * this for others * * Delete the GID if no alternate HCA port to reach * it is found. */ for (gid_info = ibdm.ibdm_dp_gidlist_head; gid_info; ) { ibdm_dp_gidinfo_t *tmp; IBTF_DPRINTF_L4(ibdm_string, "\tevent_hdlr " "checking gidinfo %p", gid_info); if (gid_info->gl_sa_hdl == port_sa_hdl) { IBTF_DPRINTF_L3(ibdm_string, "\tevent_hdlr: down HCA port hdl " "matches gid %p", gid_info); /* * The non-DM GIDs can come back * with a new subnet prefix, when * the HCA port commes up again. To * avoid issues, delete non-DM * capable GIDs, if the gid was * discovered using the HCA port * going down. This is ensured by * setting gl_disconnected to 1. */ if (gid_info->gl_nodeguid == 0) gid_info->gl_disconnected = 1; else ibdm_reset_gidinfo(gid_info); if (gid_info->gl_disconnected) { IBTF_DPRINTF_L3(ibdm_string, "\tevent_hdlr: deleting" " gid %p", gid_info); tmp = gid_info; gid_info = gid_info->gl_next; ibdm_delete_gidinfo(tmp); } else gid_info = gid_info->gl_next; } else gid_info = gid_info->gl_next; } mutex_enter(&ibdm.ibdm_mutex); ibdm.ibdm_busy &= ~IBDM_BUSY; cv_signal(&ibdm.ibdm_busy_cv); } mutex_exit(&ibdm.ibdm_mutex); } static void ibdm_reset_gidinfo(ibdm_dp_gidinfo_t *gidinfo) { ibdm_hca_list_t *hca_list = NULL; ibdm_port_attr_t *port = NULL; int gid_reinited = 0; sa_node_record_t *nr, *tmp; sa_portinfo_record_t *pi; size_t nr_len = 0, pi_len = 0; size_t path_len; ib_gid_t sgid, dgid; int ret, ii, nrecords; sa_path_record_t *path; uint8_t npaths = 1; ibdm_pkey_tbl_t *pkey_tbl; IBTF_DPRINTF_L4(ibdm_string, "\treset_gidinfo(%p)", gidinfo); /* * Get list of all the ports reachable from the local known HCA * ports which are active */ mutex_enter(&ibdm.ibdm_hl_mutex); for (ibdm_get_next_port(&hca_list, &port, 1); port; ibdm_get_next_port(&hca_list, &port, 1)) { /* * Get the path and re-populate the gidinfo. * Getting the path is the same probe_ioc * Init the gid info as in ibdm_create_gidinfo() */ nr = ibdm_get_node_records(port->pa_sa_hdl, &nr_len, gidinfo->gl_nodeguid); if (nr == NULL) { IBTF_DPRINTF_L4(ibdm_string, "\treset_gidinfo : no records"); continue; } nrecords = (nr_len / sizeof (sa_node_record_t)); for (tmp = nr, ii = 0; (ii < nrecords); ii++, tmp++) { if (tmp->NodeInfo.PortGUID == gidinfo->gl_portguid) break; } if (ii == nrecords) { IBTF_DPRINTF_L4(ibdm_string, "\treset_gidinfo : no record for portguid"); kmem_free(nr, nr_len); continue; } pi = ibdm_get_portinfo(port->pa_sa_hdl, &pi_len, tmp->LID); if (pi == NULL) { IBTF_DPRINTF_L4(ibdm_string, "\treset_gidinfo : no portinfo"); kmem_free(nr, nr_len); continue; } sgid.gid_prefix = port->pa_sn_prefix; sgid.gid_guid = port->pa_port_guid; dgid.gid_prefix = pi->PortInfo.GidPrefix; dgid.gid_guid = tmp->NodeInfo.PortGUID; ret = ibmf_saa_gid_to_pathrecords(port->pa_sa_hdl, sgid, dgid, IBMF_SAA_PKEY_WC, 0, B_TRUE, &npaths, 0, &path_len, &path); if ((ret != IBMF_SUCCESS) || path == NULL) { IBTF_DPRINTF_L4(ibdm_string, "\treset_gidinfo : no paths"); kmem_free(pi, pi_len); kmem_free(nr, nr_len); continue; } gidinfo->gl_dgid_hi = path->DGID.gid_prefix; gidinfo->gl_dgid_lo = path->DGID.gid_guid; gidinfo->gl_sgid_hi = path->SGID.gid_prefix; gidinfo->gl_sgid_lo = path->SGID.gid_guid; gidinfo->gl_p_key = path->P_Key; gidinfo->gl_sa_hdl = port->pa_sa_hdl; gidinfo->gl_ibmf_hdl = port->pa_ibmf_hdl; gidinfo->gl_slid = path->SLID; gidinfo->gl_dlid = path->DLID; /* Reset redirect info, next MAD will set if redirected */ gidinfo->gl_redirected = 0; gidinfo->gl_devid = (*tmp).NodeInfo.DeviceID; gidinfo->gl_SL = path->SL; gidinfo->gl_qp_hdl = IBMF_QP_HANDLE_DEFAULT; for (ii = 0; ii < port->pa_npkeys; ii++) { if (port->pa_pkey_tbl == NULL) break; pkey_tbl = &port->pa_pkey_tbl[ii]; if ((gidinfo->gl_p_key == pkey_tbl->pt_pkey) && (pkey_tbl->pt_qp_hdl != NULL)) { gidinfo->gl_qp_hdl = pkey_tbl->pt_qp_hdl; break; } } if (gidinfo->gl_qp_hdl == NULL) IBTF_DPRINTF_L2(ibdm_string, "\treset_gid_info: No matching Pkey"); else gid_reinited = 1; kmem_free(path, path_len); kmem_free(pi, pi_len); kmem_free(nr, nr_len); break; } mutex_exit(&ibdm.ibdm_hl_mutex); if (!gid_reinited) gidinfo->gl_disconnected = 1; } static void ibdm_delete_gidinfo(ibdm_dp_gidinfo_t *gidinfo) { ibdm_ioc_info_t *ioc_list; int in_gidlist = 0; /* * Check if gidinfo has been inserted into the * ibdm_dp_gidlist_head list. gl_next or gl_prev * != NULL, if gidinfo is the list. */ if (gidinfo->gl_prev != NULL || gidinfo->gl_next != NULL || ibdm.ibdm_dp_gidlist_head == gidinfo) in_gidlist = 1; ioc_list = ibdm_update_ioc_gidlist(gidinfo, 0); /* * Remove GID from the global GID list * Handle the case where all port GIDs for an * IOU have been hot-removed. */ mutex_enter(&ibdm.ibdm_mutex); if (gidinfo->gl_iou != NULL && gidinfo->gl_ngids == 0) { mutex_enter(&gidinfo->gl_mutex); (void) ibdm_free_iou_info(gidinfo, &gidinfo->gl_iou); mutex_exit(&gidinfo->gl_mutex); } /* Delete gl_hca_list */ mutex_exit(&ibdm.ibdm_mutex); ibdm_delete_glhca_list(gidinfo); mutex_enter(&ibdm.ibdm_mutex); if (in_gidlist) { if (gidinfo->gl_prev != NULL) gidinfo->gl_prev->gl_next = gidinfo->gl_next; if (gidinfo->gl_next != NULL) gidinfo->gl_next->gl_prev = gidinfo->gl_prev; if (gidinfo == ibdm.ibdm_dp_gidlist_head) ibdm.ibdm_dp_gidlist_head = gidinfo->gl_next; if (gidinfo == ibdm.ibdm_dp_gidlist_tail) ibdm.ibdm_dp_gidlist_tail = gidinfo->gl_prev; ibdm.ibdm_ngids--; } mutex_exit(&ibdm.ibdm_mutex); mutex_destroy(&gidinfo->gl_mutex); cv_destroy(&gidinfo->gl_probe_cv); kmem_free(gidinfo, sizeof (ibdm_dp_gidinfo_t)); /* * Pass on the IOCs with updated GIDs to IBnexus */ if (ioc_list) { IBTF_DPRINTF_L4("ibdm", "\tdelete_gidinfo " "IOC_PROP_UPDATE for %p\n", ioc_list); mutex_enter(&ibdm.ibdm_ibnex_mutex); if (ibdm.ibdm_ibnex_callback != NULL) { (*ibdm.ibdm_ibnex_callback)((void *) ioc_list, IBDM_EVENT_IOC_PROP_UPDATE); } mutex_exit(&ibdm.ibdm_ibnex_mutex); } } static void ibdm_fill_srv_attr_mod(ib_mad_hdr_t *hdr, ibdm_timeout_cb_args_t *cb_args) { uint32_t attr_mod; attr_mod = (cb_args->cb_ioc_num + 1) << 16; attr_mod |= cb_args->cb_srvents_start; attr_mod |= (cb_args->cb_srvents_end) << 8; hdr->AttributeModifier = h2b32(attr_mod); } static void ibdm_bump_transactionID(ibdm_dp_gidinfo_t *gid_info) { ASSERT(MUTEX_HELD(&gid_info->gl_mutex)); gid_info->gl_transactionID++; if (gid_info->gl_transactionID == gid_info->gl_max_transactionID) { IBTF_DPRINTF_L4(ibdm_string, "\tbump_transactionID(%p), wrapup", gid_info); gid_info->gl_transactionID = gid_info->gl_min_transactionID; } } /* * gl_prev_iou is set for *non-reprobe* sweeep requests, which * detected that ChangeID in IOU info has changed. The service * entry also may have changed. Check if service entry in IOC * has changed wrt the prev iou, if so notify to IB Nexus. */ static ibdm_ioc_info_t * ibdm_handle_prev_iou() { ibdm_dp_gidinfo_t *gid_info; ibdm_ioc_info_t *ioc_list_head = NULL, *ioc_list; ibdm_ioc_info_t *prev_ioc, *ioc; int ii, jj, niocs, prev_niocs; ASSERT(MUTEX_HELD(&ibdm.ibdm_mutex)); IBTF_DPRINTF_L4(ibdm_string, "\thandle_prev_iou enter"); for (gid_info = ibdm.ibdm_dp_gidlist_head; gid_info; gid_info = gid_info->gl_next) { if (gid_info->gl_prev_iou == NULL) continue; IBTF_DPRINTF_L4(ibdm_string, "\thandle_prev_iou gid %p", gid_info); niocs = gid_info->gl_iou->iou_info.iou_num_ctrl_slots; prev_niocs = gid_info->gl_prev_iou->iou_info.iou_num_ctrl_slots; for (ii = 0; ii < niocs; ii++) { ioc = IBDM_GIDINFO2IOCINFO(gid_info, ii); /* Find matching IOC */ for (jj = 0; jj < prev_niocs; jj++) { prev_ioc = (ibdm_ioc_info_t *) &gid_info->gl_prev_iou->iou_ioc_info[jj]; if (prev_ioc->ioc_profile.ioc_guid == ioc->ioc_profile.ioc_guid) break; } if (jj == prev_niocs) prev_ioc = NULL; if (ioc == NULL || prev_ioc == NULL) continue; if ((ioc->ioc_profile.ioc_service_entries != prev_ioc->ioc_profile.ioc_service_entries) || ibdm_serv_cmp(&ioc->ioc_serv[0], &prev_ioc->ioc_serv[0], ioc->ioc_profile.ioc_service_entries) != 0) { IBTF_DPRINTF_L4(ibdm_string, "/thandle_prev_iou modified IOC: " "current ioc %p, old ioc %p", ioc, prev_ioc); mutex_enter(&gid_info->gl_mutex); ioc_list = ibdm_dup_ioc_info(ioc, gid_info); mutex_exit(&gid_info->gl_mutex); ioc_list->ioc_info_updated.ib_prop_updated = 0; ioc_list->ioc_info_updated.ib_srv_prop_updated = 1; if (ioc_list_head == NULL) ioc_list_head = ioc_list; else { ioc_list_head->ioc_next = ioc_list; ioc_list_head = ioc_list; } } } mutex_enter(&gid_info->gl_mutex); (void) ibdm_free_iou_info(gid_info, &gid_info->gl_prev_iou); mutex_exit(&gid_info->gl_mutex); } IBTF_DPRINTF_L4(ibdm_string, "\thandle_prev_iouret %p", ioc_list_head); return (ioc_list_head); } /* * Compares two service entries lists, returns 0 if same, returns 1 * if no match. */ static int ibdm_serv_cmp(ibdm_srvents_info_t *serv1, ibdm_srvents_info_t *serv2, int nserv) { int ii; IBTF_DPRINTF_L4(ibdm_string, "\tserv_cmp: enter"); for (ii = 0; ii < nserv; ii++, serv1++, serv2++) { if (serv1->se_attr.srv_id != serv2->se_attr.srv_id || bcmp(serv1->se_attr.srv_name, serv2->se_attr.srv_name, IB_DM_MAX_SVC_NAME_LEN) != 0) { IBTF_DPRINTF_L4(ibdm_string, "\tserv_cmp: ret 1"); return (1); } } IBTF_DPRINTF_L4(ibdm_string, "\tserv_cmp: ret 0"); return (0); } /* For debugging purpose only */ #ifdef DEBUG void ibdm_dump_mad_hdr(ib_mad_hdr_t *mad_hdr) { IBTF_DPRINTF_L4("ibdm", "\t\t MAD Header info"); IBTF_DPRINTF_L4("ibdm", "\t\t ---------------"); IBTF_DPRINTF_L4("ibdm", "\tBase version : 0x%x" "\tMgmt Class : 0x%x", mad_hdr->BaseVersion, mad_hdr->MgmtClass); IBTF_DPRINTF_L4("ibdm", "\tClass version : 0x%x" "\tR Method : 0x%x", mad_hdr->ClassVersion, mad_hdr->R_Method); IBTF_DPRINTF_L4("ibdm", "\tMAD Status : 0x%x" "\tTransaction ID : 0x%llx", b2h16(mad_hdr->Status), b2h64(mad_hdr->TransactionID)); IBTF_DPRINTF_L4("ibdm", "\t Attribute ID : 0x%x" "\tAttribute Modified : 0x%lx", b2h16(mad_hdr->AttributeID), b2h32(mad_hdr->AttributeModifier)); } void ibdm_dump_ibmf_msg(ibmf_msg_t *ibmf_msg, int flag) { ib_mad_hdr_t *mad_hdr; IBTF_DPRINTF_L4("ibdm", "\t\t(IBMF_PKT): Local address info"); IBTF_DPRINTF_L4("ibdm", "\t\t ------------------"); IBTF_DPRINTF_L4("ibdm", "\tLocal Lid : 0x%x\tRemote Lid : 0x%x" " Remote Qp : 0x%x", ibmf_msg->im_local_addr.ia_local_lid, ibmf_msg->im_local_addr.ia_remote_lid, ibmf_msg->im_local_addr.ia_remote_qno); IBTF_DPRINTF_L4("ibdm", "\tP_key : 0x%x\tQ_key : 0x%x" " SL : 0x%x", ibmf_msg->im_local_addr.ia_p_key, ibmf_msg->im_local_addr.ia_q_key, ibmf_msg->im_local_addr.ia_service_level); if (flag) mad_hdr = (ib_mad_hdr_t *)IBDM_OUT_IBMFMSG_MADHDR(ibmf_msg); else mad_hdr = IBDM_IN_IBMFMSG_MADHDR(ibmf_msg); ibdm_dump_mad_hdr(mad_hdr); } void ibdm_dump_path_info(sa_path_record_t *path) { IBTF_DPRINTF_L4("ibdm", "\t\t Path information"); IBTF_DPRINTF_L4("ibdm", "\t\t ----------------"); IBTF_DPRINTF_L4("ibdm", "\t DGID hi : %llx\tDGID lo : %llx", path->DGID.gid_prefix, path->DGID.gid_guid); IBTF_DPRINTF_L4("ibdm", "\t SGID hi : %llx\tSGID lo : %llx", path->SGID.gid_prefix, path->SGID.gid_guid); IBTF_DPRINTF_L4("ibdm", "\t SLID : %x\t\tDlID : %x", path->SLID, path->DLID); IBTF_DPRINTF_L4("ibdm", "\t P Key : %x\t\tSL : %x", path->P_Key, path->SL); } void ibdm_dump_classportinfo(ib_mad_classportinfo_t *classportinfo) { IBTF_DPRINTF_L4("ibdm", "\t\t CLASSPORT INFO"); IBTF_DPRINTF_L4("ibdm", "\t\t --------------"); IBTF_DPRINTF_L4("ibdm", "\t Response Time Value : 0x%x", ((b2h32(classportinfo->RespTimeValue)) & 0x1F)); IBTF_DPRINTF_L4("ibdm", "\t Redirected GID hi : 0x%llx", b2h64(classportinfo->RedirectGID_hi)); IBTF_DPRINTF_L4("ibdm", "\t Redirected GID lo : 0x%llx", b2h64(classportinfo->RedirectGID_lo)); IBTF_DPRINTF_L4("ibdm", "\t Redirected TC : 0x%x", classportinfo->RedirectTC); IBTF_DPRINTF_L4("ibdm", "\t Redirected SL : 0x%x", classportinfo->RedirectSL); IBTF_DPRINTF_L4("ibdm", "\t Redirected FL : 0x%x", classportinfo->RedirectFL); IBTF_DPRINTF_L4("ibdm", "\t Redirected LID : 0x%x", b2h16(classportinfo->RedirectLID)); IBTF_DPRINTF_L4("ibdm", "\t Redirected P KEY : 0x%x", b2h16(classportinfo->RedirectP_Key)); IBTF_DPRINTF_L4("ibdm", "\t Redirected QP : 0x%x", classportinfo->RedirectQP); IBTF_DPRINTF_L4("ibdm", "\t Redirected Q KEY : 0x%x", b2h32(classportinfo->RedirectQ_Key)); IBTF_DPRINTF_L4("ibdm", "\t Trap GID hi : 0x%llx", b2h64(classportinfo->TrapGID_hi)); IBTF_DPRINTF_L4("ibdm", "\t Trap GID lo : 0x%llx", b2h64(classportinfo->TrapGID_lo)); IBTF_DPRINTF_L4("ibdm", "\t Trap TC : 0x%x", classportinfo->TrapTC); IBTF_DPRINTF_L4("ibdm", "\t Trap SL : 0x%x", classportinfo->TrapSL); IBTF_DPRINTF_L4("ibdm", "\t Trap FL : 0x%x", classportinfo->TrapFL); IBTF_DPRINTF_L4("ibdm", "\t Trap LID : 0x%x", b2h16(classportinfo->TrapLID)); IBTF_DPRINTF_L4("ibdm", "\t Trap P_Key : 0x%x", b2h16(classportinfo->TrapP_Key)); IBTF_DPRINTF_L4("ibdm", "\t Trap HL : 0x%x", classportinfo->TrapHL); IBTF_DPRINTF_L4("ibdm", "\t Trap QP : 0x%x", classportinfo->TrapQP); IBTF_DPRINTF_L4("ibdm", "\t Trap Q_Key : 0x%x", b2h32(classportinfo->TrapQ_Key)); } void ibdm_dump_iounitinfo(ib_dm_io_unitinfo_t *iou_info) { IBTF_DPRINTF_L4("ibdm", "\t\t I/O UnitInfo"); IBTF_DPRINTF_L4("ibdm", "\t\t ------------"); IBTF_DPRINTF_L4("ibdm", "\tChange ID : 0x%x", b2h16(iou_info->iou_changeid)); IBTF_DPRINTF_L4("ibdm", "\t#of ctrl slots : %d", iou_info->iou_num_ctrl_slots); IBTF_DPRINTF_L4("ibdm", "\tIOU flag : 0x%x", iou_info->iou_flag); IBTF_DPRINTF_L4("ibdm", "\tContrl list byte 0 : 0x%x", iou_info->iou_ctrl_list[0]); IBTF_DPRINTF_L4("ibdm", "\tContrl list byte 1 : 0x%x", iou_info->iou_ctrl_list[1]); IBTF_DPRINTF_L4("ibdm", "\tContrl list byte 2 : 0x%x", iou_info->iou_ctrl_list[2]); } void ibdm_dump_ioc_profile(ib_dm_ioc_ctrl_profile_t *ioc) { IBTF_DPRINTF_L4("ibdm", "\t\t IOC Controller Profile"); IBTF_DPRINTF_L4("ibdm", "\t\t ----------------------"); IBTF_DPRINTF_L4("ibdm", "\tIOC Guid : %llx", ioc->ioc_guid); IBTF_DPRINTF_L4("ibdm", "\tVendorID : 0x%x", ioc->ioc_vendorid); IBTF_DPRINTF_L4("ibdm", "\tDevice Id : 0x%x", ioc->ioc_deviceid); IBTF_DPRINTF_L4("ibdm", "\tDevice Ver : 0x%x", ioc->ioc_device_ver); IBTF_DPRINTF_L4("ibdm", "\tSubsys ID : 0x%x", ioc->ioc_subsys_id); IBTF_DPRINTF_L4("ibdm", "\tIO class : 0x%x", ioc->ioc_io_class); IBTF_DPRINTF_L4("ibdm", "\tIO subclass : 0x%x", ioc->ioc_io_subclass); IBTF_DPRINTF_L4("ibdm", "\tProtocol : 0x%x", ioc->ioc_protocol); IBTF_DPRINTF_L4("ibdm", "\tProtocolV : 0x%x", ioc->ioc_protocol_ver); IBTF_DPRINTF_L4("ibdm", "\tmsg qdepth : %d", ioc->ioc_send_msg_qdepth); IBTF_DPRINTF_L4("ibdm", "\trdma qdepth : %d", ioc->ioc_rdma_read_qdepth); IBTF_DPRINTF_L4("ibdm", "\tsndmsg sz : %d", ioc->ioc_send_msg_sz); IBTF_DPRINTF_L4("ibdm", "\trdma xfersz : %d", ioc->ioc_rdma_xfer_sz); IBTF_DPRINTF_L4("ibdm", "\topcal mask : 0x%x", ioc->ioc_ctrl_opcap_mask); IBTF_DPRINTF_L4("ibdm", "\tsrventries : %x", ioc->ioc_service_entries); } void ibdm_dump_service_entries(ib_dm_srv_t *srv_ents) { IBTF_DPRINTF_L4("ibdm", "\thandle_srventry_mad: service id : %llx", srv_ents->srv_id); IBTF_DPRINTF_L4("ibdm", "\thandle_srventry_mad: " "Service Name : %s", srv_ents->srv_name); } int ibdm_allow_sweep_fabric_timestamp = 1; void ibdm_dump_sweep_fabric_timestamp(int flag) { static hrtime_t x; if (flag) { if (ibdm_allow_sweep_fabric_timestamp) { IBTF_DPRINTF_L4("ibdm", "\tTime taken to complete " "sweep %lld ms", ((gethrtime() - x)/ 1000000)); } x = 0; } else x = gethrtime(); } #endif