/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (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 2005 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_IB_IBTL_IMPL_IBTL_H #define _SYS_IB_IBTL_IMPL_IBTL_H #pragma ident "%Z%%M% %I% %E% SMI" /* * ibtl.h * * All data structures and function prototypes that are specific to the * IBTL implementation. */ #include #include #include #include #include #ifdef __cplusplus extern "C" { #endif /* * Define a per IBT Client state structure. Its address is returned * to the IBT client as an opaque IBT Client Handle - ibt_clnt_hdl_t. * * ibt_attach() allocates one of these structures. * * For each IBT Client registered with the IBTL, we maintain a list * of HCAs, clnt_hca_list, that this IBT Client is using. * * This list is updated by ibt_open_hca(). */ typedef struct ibtl_clnt_s { char clnt_name[8]; /* (just a debugging aid) */ ibt_clnt_modinfo_t *clnt_modinfop; /* Pointer to IBT client's */ /* module information */ void *clnt_private; /* IBT Client's private ptr */ dev_info_t *clnt_dip; /* IBT Client's dip */ struct ibtl_clnt_s *clnt_list_link; uint32_t clnt_async_cnt; uint32_t clnt_srv_cnt; /* Service resource counter */ struct ibtl_hca_s *clnt_hca_list; /* HCAs this client is using. */ /* link is ha_hca_link */ ibt_sm_notice_handler_t clnt_sm_trap_handler; /* may be NULL */ void *clnt_sm_trap_handler_arg; } ibtl_clnt_t; _NOTE(DATA_READABLE_WITHOUT_LOCK(ibtl_clnt_s::{clnt_name clnt_modinfop clnt_private clnt_dip})) /* HCA Device State. */ typedef enum ibtl_hca_state_e { IBTL_HCA_DEV_ATTACHED = 1, /* new HCA attached */ IBTL_HCA_DEV_DETACHED = 2, /* detached */ IBTL_HCA_DEV_DETACHING = 3 /* not detached yet */ } ibtl_hca_state_t; /* * Define a type to record hca async PORT_UP and PORT_DOWN events for * processing by async thread(s). At the time an async is made by an * HCA driver (presumably at interrupt level), a call is made to IBTL. * IBTL marks this field, and wakes up an async thread for delivery * to IBT clients as appropriate. */ typedef enum ibtl_async_port_status_e { IBTL_HCA_PORT_UNKNOWN = 0x0, /* initial state */ IBTL_HCA_PORT_UP = 0x1, IBTL_HCA_PORT_DOWN = 0x2, IBTL_HCA_PORT_CHANGED = 0x4 } ibtl_async_port_status_t; /* * Bit definition(s) for {qp,cq,eec,hd,ha,srq}_async_flags. * * IBTL_ASYNC_PENDING This structure is known by the async_threads. * It will be checked for additional async work * before this bit is cleared, so new async * events/errors do not require this structure * to be linked onto its async list. * * IBTL_ASYNC_FREE_OBJECT Client has called ibt_free_*, and the * the structure should be kmem_freed when * the outstanding asyncs complete. */ typedef enum ibtl_async_flags_e { IBTL_ASYNC_PENDING = 0x1, IBTL_ASYNC_FREE_OBJECT = 0x2 } ibtl_async_flags_t; /* * Define a per CI HCA Device structure. Its address is returned * to the CI as an opaque IBTL HCA Handle - ibc_hdl_t. * * ibc_ci_attach() allocates one of these and adds it to ibtl_hca_list. * * The hd_hca_dev_link is the link for the ibtl_hca_list. It is the * list of HCA devices registered with the IBTL. * * The hd_clnt_list is a list of IBT Clients using this HCA. * The hd_clnt_list->l_head points to the ha_clnt_link field of a client's * ibtl_hca_s structure. * * This list is updated by ibt_open_hca(). */ typedef struct ibtl_hca_devinfo_s { struct ibtl_hca_devinfo_s *hd_hca_dev_link; /* Next HCA Device */ ibtl_hca_state_t hd_state; /* HCA device state: */ /* attached/detached */ uint_t hd_portinfo_len; /* #bytes of portinfo */ ibt_hca_portinfo_t *hd_portinfop; /* ptr to portinfo cache */ struct ibtl_hca_s *hd_clnt_list; /* IBT Client using this HCA. */ ibc_hca_hdl_t hd_ibc_hca_hdl; /* CI HCA handle */ ibc_operations_t *hd_ibc_ops; /* operations vector */ ibt_hca_attr_t *hd_hca_attr; /* hca attributes */ dev_info_t *hd_hca_dip; /* HCA devinfo pointer */ struct ibtl_hca_devinfo_s *hd_async_link; /* async list link */ kcondvar_t hd_portinfo_cv; /* waiting for ibc_query */ int hd_portinfo_waiters; /* any waiters */ uint8_t hd_portinfo_locked_port; /* port whose info is queried */ kcondvar_t hd_async_busy_cv; /* wakeup when #clients = 0 */ int hd_async_busy; /* only 1 async at a time */ ibt_async_code_t hd_async_codes; /* all codes for this HCA */ ibt_async_code_t hd_async_code; /* current code being run */ ibt_async_event_t hd_async_event; /* current event being run */ ibtl_async_flags_t hd_async_flags; /* see *_async_flags above */ uint64_t hd_fma_ena; /* FMA data for LOCAL CATASTR */ uint32_t hd_async_task_cnt; /* #clients doing asyncs */ kcondvar_t hd_async_task_cv; /* wakeup when #clients = 0 */ uint_t hd_multism; /* 1 - MultiSM, 0 - Single SM */ /* The following must be at the end of this struct */ ibtl_async_port_status_t hd_async_port[1]; /* per-port async data */ } ibtl_hca_devinfo_t; _NOTE(DATA_READABLE_WITHOUT_LOCK(ibtl_hca_devinfo_s::hd_ibc_ops)) _NOTE(DATA_READABLE_WITHOUT_LOCK(ibtl_hca_devinfo_s::hd_ibc_hca_hdl)) _NOTE(DATA_READABLE_WITHOUT_LOCK(ibtl_hca_devinfo_s::hd_hca_attr)) _NOTE(SCHEME_PROTECTS_DATA("hd_async_busy and hd_async_busy_cv", ibtl_hca_devinfo_s::{hd_async_code hd_async_event})) /* * Define a HCA info structure. * * The IBTL function ibt_open_hca() allocates one of these. * * For each client instance registered with the IBTL, we maintain a list * of HCAs that it is using. The elements of that list include the * address of the CI HCA device structure, a pointer to the client * structure, and reference counts of HCA resources that this client * device is using. * * Note: ha_qpn_cnt is protected by a global mutex to deal with a client * trying to open the HCA while it is actively being closed. * * ha_hca_link is the link to the next HCA info struct that this client is * using. * * ha_clnt_link is the link to the next IBT client (ibtl_clnt_t) that is using * the same CI HCA (ibtl_hca_devinfo_t). The link points to that client's * ibtl_hca_t because an IBT client can use more than one CI HCA. */ typedef struct ibtl_hca_s { struct ibtl_hca_s *ha_hca_link; /* Next HCA used by client */ struct ibtl_hca_s *ha_clnt_link; /* Next client using same HCA */ ibtl_hca_devinfo_t *ha_hca_devp; /* CI HCA device structure. */ ibtl_clnt_t *ha_clnt_devp; /* Client state struct */ void *ha_clnt_private; kmutex_t ha_mutex; /* Mutex to protect resource */ /* counters. */ int ha_flags; /* misc. flags */ uint32_t ha_qp_cnt; /* QP resource counter */ uint32_t ha_eec_cnt; /* EEC resource counter */ uint32_t ha_cq_cnt; /* CQ resource counter */ uint32_t ha_pd_cnt; /* PD resource counter */ uint32_t ha_ah_cnt; /* AH resource counter */ uint32_t ha_mr_cnt; /* Mem Region resource count */ uint32_t ha_mw_cnt; /* Mem Window resource count */ uint32_t ha_qpn_cnt; /* QPN resource counter */ uint32_t ha_srq_cnt; /* SRQ resource counter */ ibtl_async_flags_t ha_async_flags; /* see *_async_flags above */ uint32_t ha_async_cnt; /* #asyncs in progress */ uint32_t ha_fmr_pool_cnt; /* FMR Pool resource count */ uint32_t ha_ma_cnt; /* Mem Area resource count */ } ibtl_hca_t; /* ha_flags values */ #define IBTL_HA_CLOSING 1 /* In process of closing, so don't allow open */ _NOTE(DATA_READABLE_WITHOUT_LOCK(ibtl_hca_s::ha_clnt_devp)) _NOTE(DATA_READABLE_WITHOUT_LOCK(ibtl_hca_s::ha_hca_devp)) /* * Bit definition(s) for cq_impl_flags. * * IBTL_CQ_PENDING This CQ is known by the ibtl_cq_threads, * and it will be checked for additional work * before this bit is cleared, so new work * will be seen without this cq being added * to the cq list. * * IBTL_CQ_CALL_CLIENT Mark that the HCA driver has called * ibc_cq_handler with new work on this CQ, * so IBTL should call the client handler * again before it is considered done. * * IBTL_CQ_FREE Mark that ibt_free_cq is sleeping until * ibtl_cq_threads is done with this CQ. */ typedef enum ibtl_cq_impl_flags_e { IBTL_CQ_PENDING = 0x1, IBTL_CQ_CALL_CLIENT = 0x2, IBTL_CQ_FREE = 0x4 } ibtl_cq_impl_flags_t; /* * Define a per CQ state structure. * * The ibt_alloc_cq() allocates one of these. A CQ is associated with a * particular HCA, whose handle is recorded in the cq_hca field. * The cq_ibc_cq_hdl field is initialized with the CI CQ handle returned * from the ibc_alloc_cq() call to the HCA driver. * * In order to set/get the client's private data, cq_clnt_private, clients * need to use ibt_set_cq_private() and ibt_get_cq_private() calls. * * An IBT client registers a CQ completion handler callback and private * callback argument (probably the client instance soft state structure) using * the ibt_set_cq_handler() IBT routine. The comp_handler, arg fields of the * structure are initialized with the values passed in by the IBTL client. * These two fields are the only fields protected by the cq_mutex. * * When a completion event is posted to an IBT client, the * client completion handler is called with the following arguments: * * - The Client Handle, that is passed into the IBTL on ibt_attach call. * - The CQ Handle upon which the completion occurred. * - The private client argument, set during handler registration via * ibt_set_cq_handler() call. * * The address of the ibtl_cq_s structure is passed in as the ibt_cq_hdl_t * (callback arg) in the CI ibc_alloc_cq() function. Thus when a CI calls * the IBTL completion handler (ibc_ci_cq_handler()) we can de-mux * directly to the targeted IBT client. * */ typedef struct ibtl_cq_s { ibc_cq_hdl_t cq_ibc_cq_hdl; /* CI CQ handle */ ibtl_hca_t *cq_hca; /* IBTL HCA hdl */ ibt_cq_handler_t cq_comp_handler; /* Completion handler */ void *cq_arg; /* CQ handler's argument */ kmutex_t cq_mutex; /* Mutex. */ void *cq_clnt_private; /* Client's Private. */ struct ibtl_cq_s *cq_link; /* link for queuing cq to */ /* to be handled in a thread */ struct ibtl_cq_s *cq_async_link; /* list link for asyncs */ ibtl_cq_impl_flags_t cq_impl_flags; /* dynamic bits if cq */ /* handler runs in a thread */ int cq_in_thread; /* mark if cq handler is to */ /* be called in a thread */ ibt_async_code_t cq_async_codes; ibtl_async_flags_t cq_async_flags; /* see *_async_flags above */ uint64_t cq_fma_ena; /* FMA data */ } ibtl_cq_t; _NOTE(DATA_READABLE_WITHOUT_LOCK(ibtl_cq_s::{cq_in_thread cq_hca cq_ibc_cq_hdl})) /* * Define a per SRQ state structure. * * ibt_alloc_srq() allocates one of these. A SRQ is associated with a * particular HCA, whose handle is recorded in the srq_hca field. * The srq_ibc_srq_hdl field is initialized with the CI SRQ handle returned * from the ibc_alloc_srq() call to the HCA driver. * * In order to set/get the client's private data, srq_clnt_private, clients * need to use ibt_set_srq_private() and ibt_get_srq_private() calls. * * The address of the ibtl_srq_s structure is passed in as the ibt_srq_hdl_t * (callback arg) in the CI ibc_alloc_srq() function. */ typedef struct ibtl_srq_s { ibc_srq_hdl_t srq_ibc_srq_hdl; /* CI SRQ handle */ ibtl_hca_t *srq_hca; /* IBTL HCA hdl */ void *srq_clnt_private; /* Client's Private. */ struct ibtl_srq_s *srq_async_link; /* Async Link list */ ibt_async_code_t srq_async_codes; ibtl_async_flags_t srq_async_flags; /* Async_flags */ uint64_t srq_fma_ena; /* FMA data */ } ibtl_srq_t; /* * Define a per QP state structure. * * The qp_hca field is initialized with the ibtl_hca_hdl_t of the HCA in * which the QP was allocated. The qp_ibc_qp_hdl field is initialized with * the CI QP handle. * * The ibtl_qp_t structure also maintains a channel connection state * structure that is only valid for RC and RD QP's. The information about * the respective Send and Receive CQ, the RDD and PD Handles are also stored. * * The IBTA spec does not include the signal type or PD on a QP query * operation. In order to implement the "CLONE" feature of the alloc rc|ud * channel functions we need to cache these values. */ typedef struct ibtl_qp_s { ibt_tran_srv_t qp_type; /* QP type */ ibt_attr_flags_t qp_flags; ibc_qp_hdl_t qp_ibc_qp_hdl; /* CI QP handle */ ibc_pd_hdl_t qp_pd_hdl; /* CI PD Hdl */ ibtl_hca_t *qp_hca; /* IBTL HCA handle */ ibtl_cq_t *qp_send_cq; /* IBTL CQ handle */ ibtl_cq_t *qp_recv_cq; /* IBTL CQ handle */ struct ibtl_qp_s *qp_async_link; /* async list link */ ibt_async_code_t qp_async_codes; ibtl_async_flags_t qp_async_flags; /* see *_async_flags above */ uint64_t qp_cat_fma_ena; /* FMA data */ uint64_t qp_pth_fma_ena; /* FMA data */ uint64_t qp_inv_fma_ena; /* FMA data */ uint64_t qp_acc_fma_ena; /* FMA data */ } ibtl_qp_t; /* * Define a per EEC state structure. * * The ibt_alloc_eec() allocates an ibt_eec_s structure and initializes * the eec_hca field with the ibtl_hca_hdl_t of the HCA in which the EEC * was allocated. The eec_ibc_eec_hdl field is initialized with the * CI EEC handle. * * The information about CI's RDD Handle and channel connection state structure * is also maintained. */ typedef struct ibtl_eec_s { ibc_eec_hdl_t eec_ibc_eec_hdl; /* CI EEC Handle. */ ibtl_hca_t *eec_hca; /* IBTL HCA Hdl */ ibc_rdd_hdl_t eec_ibc_rdd_hdl; /* CI RDD Handle. */ struct ibtl_channel_s *eec_channel; struct ibtl_eec_s *eec_async_link; /* async list link */ ibt_async_code_t eec_async_codes; ibtl_async_flags_t eec_async_flags; uint64_t eec_cat_fma_ena; /* FMA data */ uint64_t eec_pth_fma_ena; /* FMA data */ } ibtl_eec_t; /* * Define an ibt RD communication channel struct. This holds information * specific to an RD QP. */ typedef struct ibtl_rd_chan_s { ibtl_eec_t *rd_eec; /* point to the EEC */ } ibtl_rd_chan_t; /* * Define an ibt UD communication channel struct. This holds information * specific to a UD QP. */ typedef struct ibtl_ud_chan_s { uint8_t ud_port_num; /* track the port number for */ /* ibt_modify_reply_ud_dest() */ ib_qkey_t ud_qkey; /* track the qkey */ } ibtl_ud_chan_t; /* * Define an ibt RC communication channel struct. This holds information * specific to an RC QP. */ typedef struct ibtl_rc_chan_s { int rc_free_flags; /* Track connection state as */ /* we will need to delay for */ /* TIMEWAIT before freeing. */ ibc_qpn_hdl_t rc_qpn_hdl; /* Store qpn_hdl while in */ /* TIMEWAIT delay. */ } ibtl_rc_chan_t; /* bit definitions for rc_free_flags */ #define IBTL_RC_QP_CONNECTED 0x1 #define IBTL_RC_QP_CLOSING 0x2 #define IBTL_RC_QP_CLOSED 0x4 #define IBTL_RC_QP_FREED 0x8 /* * Define a per Channel state structure. * * A ibtl_channel_s is allocated each time a TI client calls a * channel allocation routine ibt_alloc_rc_channel() or ibt_alloc_ud_channel() * or VTI client calls ibt_alloc_qp() or ibt_alloc_special_qp(). * * In order to set/get the client's private data, ch_clnt_private, * TI client's need to use ibt_set_chan_private() and ibt_get_chan_private() * or VTI clients need to use ibt_set_qp_private() and ibt_get_qp_private(). */ typedef struct ibtl_channel_s { /* The ibtl_qp_t must be at the first of this struct */ ibtl_qp_t ch_qp; /* IBTL QP handle */ union { /* transport specific */ ibtl_rc_chan_t rc; /* RC Channel specific */ ibtl_rd_chan_t rd; /* RD Channel specific */ ibtl_ud_chan_t ud; /* UD Channel specific */ } ch_transport; ibt_cep_state_t ch_current_state; /* track the current state */ void *ch_clnt_private; /* Client's Private data */ kmutex_t ch_cm_mutex; /* for ch_cm_private, etc. */ kcondvar_t ch_cm_cv; /* for recycle_rc */ void *ch_cm_private; /* Ptr to CM state */ } ibtl_channel_t; _NOTE(SCHEME_PROTECTS_DATA("client managed", ibtl_channel_s)) /* * MACROS */ #define IBTL_CHAN2QP(ibt_chan) (&(ibt_chan)->ch_qp) #define IBTL_CHAN2HCA(ibt_chan) (ibt_chan)->ch_qp.qp_hca #define IBTL_CHAN2CIQP(ibt_chan) (ibt_chan->ch_qp.qp_ibc_qp_hdl) #define IBTL_QP2CHAN(ibtl_qp) (ibtl_channel_t *)(ibtl_qp) #define IBTL_EEC2CHAN(ibtl_eec) (ibtl_eec)->eec_channel /* * Get IBC HCA Handle from IBT Handles. */ #define IBTL_HDIP2CIHCA(hca_devp) (hca_devp)->hd_ibc_hca_hdl #define IBTL_HCA2CIHCA(ibtl_hca) IBTL_HDIP2CIHCA(ibtl_hca->ha_hca_devp) #define IBTL_ECC2CIHCA(ibtl_eec) IBTL_HCA2CIHCA((ibtl_eec)->eec_hca) #define IBTL_CQ2CIHCA(ibtl_cq) IBTL_HCA2CIHCA((ibtl_cq)->cq_hca) #define IBTL_CHAN2CIHCA(ibt_chan) IBTL_HCA2CIHCA((ibt_chan)->ch_qp.qp_hca) #define IBTL_SRQ2CIHCA(ibtl_srq) IBTL_HCA2CIHCA((ibtl_srq)->srq_hca) /* * Get a pointer to the HCA ops structure from IBT handles. */ #define IBTL_HDIP2CIHCAOPS_P(hca_devp) (hca_devp)->hd_ibc_ops #define IBTL_HCA2CIHCAOPS_P(ibtl_hca) \ IBTL_HDIP2CIHCAOPS_P(ibtl_hca->ha_hca_devp) #define IBTL_CQ2CIHCAOPS_P(ibtl_cq) IBTL_HCA2CIHCAOPS_P((ibtl_cq)->cq_hca) #define IBTL_CHAN2CIHCAOPS_P(ibt_chan) \ IBTL_HCA2CIHCAOPS_P((ibt_chan)->ch_qp.qp_hca) #define IBTL_SRQ2CIHCAOPS_P(ibtl_srq) \ IBTL_HCA2CIHCAOPS_P((ibtl_srq)->srq_hca) /* * Get Client Handle from IBT Handles. */ #define IBTL_HCA2CLNT(ibtl_hca) (ibtl_hca)->ha_clnt_devp #define IBTL_ECC2CLNT(ibtl_eec) IBTL_HCA2CLNT((ibtl_eec)->eec_hca) #define IBTL_CQ2CLNT(ibtl_cq) IBTL_HCA2CLNT((ibtl_cq)->cq_hca) #define IBTL_CHAN2CLNT(ibt_chan) IBTL_HCA2CLNT((ibt_chan)->ch_qp.qp_hca) /* * Get a Pointer to the client modinfo from IBT Handles. */ #define IBTL_HCA2MODI_P(ibtl_hca) \ ((IBTL_HCA2CLNT(ibtl_hca))->clnt_modinfop) #define IBTL_EEC2MODI_P(ibtl_eec) \ ((IBTL_EEC2CLNT(ibtl_eec))->clnt_modinfop) #define IBTL_CQ2MODI_P(ibtl_cq) ((IBTL_CQ2CLNT(ibtl_cq))->clnt_modinfop) #define IBTL_CHAN2MODI_P(chan) ((IBTL_CHAN2CLNT(chan))->clnt_modinfop) /* * Using HCA Device Info Pointer, access HCA Attributes values for * Max SGID Table Size, Max PKEY Table Size. */ #define IBTL_HDIP2SGIDTBLSZ(hca) \ (hca)->hd_hca_attr->hca_max_port_sgid_tbl_sz #define IBTL_HDIP2PKEYTBLSZ(hca) \ (hca)->hd_hca_attr->hca_max_port_pkey_tbl_sz /* * Using IBTL HCA Handle, access HCA Attributes values. * viz. HCA Node GUID, * Number of Ports on this HCA Device, * Max SGID Table Size * Max PKEY Table Size */ #define IBTL_HCA2HCAGUID(hca_hdl) \ (hca_hdl)->ha_hca_devp->hd_hca_attr->hca_node_guid #define IBTL_HCA2NPORTS(hca_hdl) \ (hca_hdl)->ha_hca_devp->hd_hca_attr->hca_nports #define IBTL_HCA2SGIDTBLSZ(hca_hdl) \ (hca_hdl)->ha_hca_devp->hd_hca_attr->hca_max_port_sgid_tbl_sz #define IBTL_HCA2PKEYTBLSZ(hca_hdl) \ (hca_hdl)->ha_hca_devp->hd_hca_attr->hca_max_port_pkey_tbl_sz /* possible strlen of a IB driver's name */ #define IBTL_DRVNAME_LEN 40 /* strings passed to ib_dprintfN() are this long */ #define IBTL_PRINT_BUF_LEN 4096 /* Check if client isn't CM/DM/IBMA */ #define IBTL_GENERIC_CLIENT(clntp) \ (((clntp)->clnt_modinfop->mi_clnt_class != IBT_CM) && \ ((clntp)->clnt_modinfop->mi_clnt_class != IBT_DM) && \ ((clntp)->clnt_modinfop->mi_clnt_class != IBT_IBMA)) /* * Function Prototypes that are specific to the IBTL implementation. */ ibtl_hca_devinfo_t *ibtl_get_hcadevinfo(ib_guid_t hca_guid); ibt_status_t ibtl_init_hca_portinfo(ibtl_hca_devinfo_t *hca_devp); void ibtl_reinit_hca_portinfo(ibtl_hca_devinfo_t *hca_devp, uint8_t port); void ibtl_init_cep_states(void); void ibtl_ib2usec_init(void); void ibtl_logging_initialization(void); void ibtl_logging_destroy(void); void ibtl_thread_init(void); void ibtl_thread_init2(void); void ibtl_thread_fini(void); void ibtl_announce_new_hca(ibtl_hca_devinfo_t *hca_devp); void ibtl_another_cq_handler_in_thread(void); int ibtl_detach_all_clients(ibtl_hca_devinfo_t *hcap); void ibtl_qp_flow_control_enter(void); void ibtl_qp_flow_control_exit(void); /* synchronization of asyncs when freeing an object */ void ibtl_free_qp_async_check(ibtl_qp_t *ibtl_qp); void ibtl_free_cq_async_check(ibtl_cq_t *ibtl_cq); void ibtl_free_srq_async_check(ibtl_srq_t *ibtl_srq); void ibtl_free_eec_async_check(ibtl_eec_t *ibtl_eec); void ibtl_free_hca_async_check(ibt_hca_hdl_t ibt_hca); void ibtl_free_clnt_async_check(ibtl_clnt_t *clntp); /* synchronization of cq_handler callbacks and free_cq */ void ibtl_free_cq_check(ibtl_cq_t *ibtl_cq); /* release_qpn and close_hca synchronization */ void ibtl_close_hca_check(ibt_hca_hdl_t ibt_hca); /* Global List of HCA devices, and associated lock. */ extern struct ibtl_hca_devinfo_s *ibtl_hca_list; /* link is hd_hca_dev_link */ /* Global List of IBT Client Instances, and associated lock. */ extern struct ibtl_clnt_s *ibtl_clnt_list; /* link is clnt_list_link */ extern kmutex_t ibtl_clnt_list_mutex; /* Lock for the race between the client and CM to free QPs. */ extern kmutex_t ibtl_free_qp_mutex; /* Lock for the race between the client closing the HCA and QPN being freed. */ extern kcondvar_t ibtl_close_hca_cv; /* Limit the flow of QP verb calls */ extern kmutex_t ibtl_qp_mutex; extern kcondvar_t ibtl_qp_cv; /* Async handlers and client private for well known clients of IBTL */ extern ibt_async_handler_t ibtl_cm_async_handler; extern ibt_async_handler_t ibtl_dm_async_handler; extern ibt_async_handler_t ibtl_ibma_async_handler; extern void *ibtl_cm_clnt_private; extern void *ibtl_dm_clnt_private; extern void *ibtl_ibma_clnt_private; /* cache for fast GID => portinfo lookup */ extern boolean_t ibtl_fast_gid_cache_valid; /* The following structs are used to pass info in and out of the APIs */ _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_rc_chan_alloc_args_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_rc_chan_query_attr_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_rc_chan_modify_attr_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_ud_dest_query_attr_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_ud_chan_alloc_args_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_ud_chan_query_attr_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_ud_chan_modify_attr_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_ud_dest_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_qp_alloc_attr_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_qp_info_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_hca_portinfo_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_adds_vect_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_cep_path_s)) _NOTE(SCHEME_PROTECTS_DATA("client managed", ibt_mr_desc_s)) _NOTE(SCHEME_PROTECTS_DATA("GIDs are transient", ib_gid_s)) #ifdef __cplusplus } #endif #endif /* _SYS_IB_IBTL_IMPL_IBTL_H */