+++ /dev/null
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
- * lib-p30.h
- *
- * Top level include for library side routines
- */
-
-#ifndef _LIB_P30_H_
-#define _LIB_P30_H_
-
-#include "build_check.h"
-
-#ifdef __KERNEL__
-# include <asm/page.h>
-# include <linux/string.h>
-#else
-# include <portals/list.h>
-# include <string.h>
-# include <pthread.h>
-#endif
-#include <portals/types.h>
-#include <linux/kp30.h>
-#include <portals/p30.h>
-#include <portals/nal.h>
-#include <portals/lib-types.h>
-
-static inline int ptl_is_wire_handle_none (ptl_handle_wire_t *wh)
-{
- return (wh->wh_interface_cookie == PTL_WIRE_HANDLE_NONE.wh_interface_cookie &&
- wh->wh_object_cookie == PTL_WIRE_HANDLE_NONE.wh_object_cookie);
-}
-
-#ifdef __KERNEL__
-#define LIB_LOCK(nal,flags) \
- spin_lock_irqsave(&(nal)->libnal_ni.ni_lock, flags)
-#define LIB_UNLOCK(nal,flags) \
- spin_unlock_irqrestore(&(nal)->libnal_ni.ni_lock, flags)
-#else
-#define LIB_LOCK(nal,flags) \
- (pthread_mutex_lock(&(nal)->libnal_ni.ni_mutex), (flags) = 0)
-#define LIB_UNLOCK(nal,flags) \
- pthread_mutex_unlock(&(nal)->libnal_ni.ni_mutex)
-#endif
-
-
-#ifdef PTL_USE_LIB_FREELIST
-
-#define MAX_MES 2048
-#define MAX_MDS 2048
-#define MAX_MSGS 2048 /* Outstanding messages */
-#define MAX_EQS 512
-
-extern int lib_freelist_init (lib_nal_t *nal, lib_freelist_t *fl, int nobj, int objsize);
-extern void lib_freelist_fini (lib_nal_t *nal, lib_freelist_t *fl);
-
-static inline void *
-lib_freelist_alloc (lib_freelist_t *fl)
-{
- /* ALWAYS called with liblock held */
- lib_freeobj_t *o;
-
- if (list_empty (&fl->fl_list))
- return (NULL);
-
- o = list_entry (fl->fl_list.next, lib_freeobj_t, fo_list);
- list_del (&o->fo_list);
- return ((void *)&o->fo_contents);
-}
-
-static inline void
-lib_freelist_free (lib_freelist_t *fl, void *obj)
-{
- /* ALWAYS called with liblock held */
- lib_freeobj_t *o = list_entry (obj, lib_freeobj_t, fo_contents);
-
- list_add (&o->fo_list, &fl->fl_list);
-}
-
-
-static inline lib_eq_t *
-lib_eq_alloc (lib_nal_t *nal)
-{
- /* NEVER called with liblock held */
- unsigned long flags;
- lib_eq_t *eq;
-
- LIB_LOCK (nal, flags);
- eq = (lib_eq_t *)lib_freelist_alloc (&nal->libnal_ni.ni_free_eqs);
- LIB_UNLOCK (nal, flags);
-
- return (eq);
-}
-
-static inline void
-lib_eq_free (lib_nal_t *nal, lib_eq_t *eq)
-{
- /* ALWAYS called with liblock held */
- lib_freelist_free (&nal->libnal_ni.ni_free_eqs, eq);
-}
-
-static inline lib_md_t *
-lib_md_alloc (lib_nal_t *nal, ptl_md_t *umd)
-{
- /* NEVER called with liblock held */
- unsigned long flags;
- lib_md_t *md;
-
- LIB_LOCK (nal, flags);
- md = (lib_md_t *)lib_freelist_alloc (&nal->libnal_ni.ni_free_mds);
- LIB_UNLOCK (nal, flags);
-
- return (md);
-}
-
-static inline void
-lib_md_free (lib_nal_t *nal, lib_md_t *md)
-{
- /* ALWAYS called with liblock held */
- lib_freelist_free (&nal->libnal_ni.ni_free_mds, md);
-}
-
-static inline lib_me_t *
-lib_me_alloc (lib_nal_t *nal)
-{
- /* NEVER called with liblock held */
- unsigned long flags;
- lib_me_t *me;
-
- LIB_LOCK (nal, flags);
- me = (lib_me_t *)lib_freelist_alloc (&nal->libnal_ni.ni_free_mes);
- LIB_UNLOCK (nal, flags);
-
- return (me);
-}
-
-static inline void
-lib_me_free (lib_nal_t *nal, lib_me_t *me)
-{
- /* ALWAYS called with liblock held */
- lib_freelist_free (&nal->libnal_ni.ni_free_mes, me);
-}
-
-static inline lib_msg_t *
-lib_msg_alloc (lib_nal_t *nal)
-{
- /* NEVER called with liblock held */
- unsigned long flags;
- lib_msg_t *msg;
-
- LIB_LOCK (nal, flags);
- msg = (lib_msg_t *)lib_freelist_alloc (&nal->libnal_ni.ni_free_msgs);
- LIB_UNLOCK (nal, flags);
-
- if (msg != NULL) {
- /* NULL pointers, clear flags etc */
- memset (msg, 0, sizeof (*msg));
- msg->ack_wmd = PTL_WIRE_HANDLE_NONE;
- }
- return(msg);
-}
-
-static inline void
-lib_msg_free (lib_nal_t *nal, lib_msg_t *msg)
-{
- /* ALWAYS called with liblock held */
- lib_freelist_free (&nal->libnal_ni.ni_free_msgs, msg);
-}
-
-#else
-
-static inline lib_eq_t *
-lib_eq_alloc (lib_nal_t *nal)
-{
- /* NEVER called with liblock held */
- lib_eq_t *eq;
-
- PORTAL_ALLOC(eq, sizeof(*eq));
- return (eq);
-}
-
-static inline void
-lib_eq_free (lib_nal_t *nal, lib_eq_t *eq)
-{
- /* ALWAYS called with liblock held */
- PORTAL_FREE(eq, sizeof(*eq));
-}
-
-static inline lib_md_t *
-lib_md_alloc (lib_nal_t *nal, ptl_md_t *umd)
-{
- /* NEVER called with liblock held */
- lib_md_t *md;
- int size;
- int niov;
-
- if ((umd->options & PTL_MD_KIOV) != 0) {
- niov = umd->length;
- size = offsetof(lib_md_t, md_iov.kiov[niov]);
- } else {
- niov = ((umd->options & PTL_MD_IOVEC) != 0) ?
- umd->length : 1;
- size = offsetof(lib_md_t, md_iov.iov[niov]);
- }
-
- PORTAL_ALLOC(md, size);
-
- if (md != NULL) {
- /* Set here in case of early free */
- md->options = umd->options;
- md->md_niov = niov;
- }
-
- return (md);
-}
-
-static inline void
-lib_md_free (lib_nal_t *nal, lib_md_t *md)
-{
- /* ALWAYS called with liblock held */
- int size;
-
- if ((md->options & PTL_MD_KIOV) != 0)
- size = offsetof(lib_md_t, md_iov.kiov[md->md_niov]);
- else
- size = offsetof(lib_md_t, md_iov.iov[md->md_niov]);
-
- PORTAL_FREE(md, size);
-}
-
-static inline lib_me_t *
-lib_me_alloc (lib_nal_t *nal)
-{
- /* NEVER called with liblock held */
- lib_me_t *me;
-
- PORTAL_ALLOC(me, sizeof(*me));
- return (me);
-}
-
-static inline void
-lib_me_free(lib_nal_t *nal, lib_me_t *me)
-{
- /* ALWAYS called with liblock held */
- PORTAL_FREE(me, sizeof(*me));
-}
-
-static inline lib_msg_t *
-lib_msg_alloc(lib_nal_t *nal)
-{
- /* NEVER called with liblock held; may be in interrupt... */
- lib_msg_t *msg;
-
- if (in_interrupt())
- PORTAL_ALLOC_ATOMIC(msg, sizeof(*msg));
- else
- PORTAL_ALLOC(msg, sizeof(*msg));
-
- if (msg != NULL) {
- /* NULL pointers, clear flags etc */
- memset (msg, 0, sizeof (*msg));
- msg->ack_wmd = PTL_WIRE_HANDLE_NONE;
- }
- return (msg);
-}
-
-static inline void
-lib_msg_free(lib_nal_t *nal, lib_msg_t *msg)
-{
- /* ALWAYS called with liblock held */
- PORTAL_FREE(msg, sizeof(*msg));
-}
-#endif
-
-extern lib_handle_t *lib_lookup_cookie (lib_nal_t *nal, __u64 cookie, int type);
-extern void lib_initialise_handle (lib_nal_t *nal, lib_handle_t *lh, int type);
-extern void lib_invalidate_handle (lib_nal_t *nal, lib_handle_t *lh);
-
-static inline void
-ptl_eq2handle (ptl_handle_eq_t *handle, lib_nal_t *nal, lib_eq_t *eq)
-{
- if (eq == NULL) {
- *handle = PTL_EQ_NONE;
- return;
- }
-
- handle->nal_idx = nal->libnal_ni.ni_api->nal_handle.nal_idx;
- handle->cookie = eq->eq_lh.lh_cookie;
-}
-
-static inline lib_eq_t *
-ptl_handle2eq (ptl_handle_eq_t *handle, lib_nal_t *nal)
-{
- /* ALWAYS called with liblock held */
- lib_handle_t *lh = lib_lookup_cookie (nal, handle->cookie,
- PTL_COOKIE_TYPE_EQ);
- if (lh == NULL)
- return (NULL);
-
- return (lh_entry (lh, lib_eq_t, eq_lh));
-}
-
-static inline void
-ptl_md2handle (ptl_handle_md_t *handle, lib_nal_t *nal, lib_md_t *md)
-{
- handle->nal_idx = nal->libnal_ni.ni_api->nal_handle.nal_idx;
- handle->cookie = md->md_lh.lh_cookie;
-}
-
-static inline lib_md_t *
-ptl_handle2md (ptl_handle_md_t *handle, lib_nal_t *nal)
-{
- /* ALWAYS called with liblock held */
- lib_handle_t *lh = lib_lookup_cookie (nal, handle->cookie,
- PTL_COOKIE_TYPE_MD);
- if (lh == NULL)
- return (NULL);
-
- return (lh_entry (lh, lib_md_t, md_lh));
-}
-
-static inline lib_md_t *
-ptl_wire_handle2md (ptl_handle_wire_t *wh, lib_nal_t *nal)
-{
- /* ALWAYS called with liblock held */
- lib_handle_t *lh;
-
- if (wh->wh_interface_cookie != nal->libnal_ni.ni_interface_cookie)
- return (NULL);
-
- lh = lib_lookup_cookie (nal, wh->wh_object_cookie,
- PTL_COOKIE_TYPE_MD);
- if (lh == NULL)
- return (NULL);
-
- return (lh_entry (lh, lib_md_t, md_lh));
-}
-
-static inline void
-ptl_me2handle (ptl_handle_me_t *handle, lib_nal_t *nal, lib_me_t *me)
-{
- handle->nal_idx = nal->libnal_ni.ni_api->nal_handle.nal_idx;
- handle->cookie = me->me_lh.lh_cookie;
-}
-
-static inline lib_me_t *
-ptl_handle2me (ptl_handle_me_t *handle, lib_nal_t *nal)
-{
- /* ALWAYS called with liblock held */
- lib_handle_t *lh = lib_lookup_cookie (nal, handle->cookie,
- PTL_COOKIE_TYPE_ME);
- if (lh == NULL)
- return (NULL);
-
- return (lh_entry (lh, lib_me_t, me_lh));
-}
-
-extern int lib_init(lib_nal_t *libnal, nal_t *apinal,
- ptl_process_id_t pid,
- ptl_ni_limits_t *desired_limits,
- ptl_ni_limits_t *actual_limits);
-extern int lib_fini(lib_nal_t *libnal);
-
-/*
- * When the NAL detects an incoming message header, it should call
- * lib_parse() decode it. If the message header is garbage, lib_parse()
- * returns immediately with failure, otherwise the NAL callbacks will be
- * called to receive the message body. They are handed the private cookie
- * as a way for the NAL to maintain state about which transaction is being
- * processed. An extra parameter, lib_msg contains the lib-level message
- * state for passing to lib_finalize() when the message body has been
- * received.
- */
-extern void lib_enq_event_locked (lib_nal_t *nal, void *private,
- lib_eq_t *eq, ptl_event_t *ev);
-extern void lib_finalize (lib_nal_t *nal, void *private, lib_msg_t *msg,
- ptl_ni_fail_t ni_fail_type);
-extern ptl_err_t lib_parse (lib_nal_t *nal, ptl_hdr_t *hdr, void *private);
-extern lib_msg_t *lib_create_reply_msg (lib_nal_t *nal, ptl_nid_t peer_nid,
- lib_msg_t *get_msg);
-extern void print_hdr (lib_nal_t * nal, ptl_hdr_t * hdr);
-
-
-extern ptl_size_t lib_iov_nob (int niov, struct iovec *iov);
-extern void lib_copy_iov2buf (char *dest, int niov, struct iovec *iov,
- ptl_size_t offset, ptl_size_t len);
-extern void lib_copy_buf2iov (int niov, struct iovec *iov, ptl_size_t offset,
- char *src, ptl_size_t len);
-extern int lib_extract_iov (int dst_niov, struct iovec *dst,
- int src_niov, struct iovec *src,
- ptl_size_t offset, ptl_size_t len);
-
-extern ptl_size_t lib_kiov_nob (int niov, ptl_kiov_t *iov);
-extern void lib_copy_kiov2buf (char *dest, int niov, ptl_kiov_t *kiov,
- ptl_size_t offset, ptl_size_t len);
-extern void lib_copy_buf2kiov (int niov, ptl_kiov_t *kiov, ptl_size_t offset,
- char *src, ptl_size_t len);
-extern int lib_extract_kiov (int dst_niov, ptl_kiov_t *dst,
- int src_niov, ptl_kiov_t *src,
- ptl_size_t offset, ptl_size_t len);
-
-extern void lib_assert_wire_constants (void);
-
-extern ptl_err_t lib_recv (lib_nal_t *nal, void *private, lib_msg_t *msg, lib_md_t *md,
- ptl_size_t offset, ptl_size_t mlen, ptl_size_t rlen);
-extern ptl_err_t lib_send (lib_nal_t *nal, void *private, lib_msg_t *msg,
- ptl_hdr_t *hdr, int type, ptl_nid_t nid, ptl_pid_t pid,
- lib_md_t *md, ptl_size_t offset, ptl_size_t len);
-
-extern int lib_api_ni_status (nal_t *nal, ptl_sr_index_t sr_idx,
- ptl_sr_value_t *status);
-extern int lib_api_ni_dist (nal_t *nal, ptl_process_id_t *pid,
- unsigned long *dist);
-
-extern int lib_api_eq_alloc (nal_t *nal, ptl_size_t count,
- ptl_eq_handler_t callback,
- ptl_handle_eq_t *handle);
-extern int lib_api_eq_free(nal_t *nal, ptl_handle_eq_t *eqh);
-extern int lib_api_eq_poll (nal_t *nal,
- ptl_handle_eq_t *eventqs, int neq, int timeout_ms,
- ptl_event_t *event, int *which);
-
-extern int lib_api_me_attach(nal_t *nal,
- ptl_pt_index_t portal,
- ptl_process_id_t match_id,
- ptl_match_bits_t match_bits,
- ptl_match_bits_t ignore_bits,
- ptl_unlink_t unlink, ptl_ins_pos_t pos,
- ptl_handle_me_t *handle);
-extern int lib_api_me_insert(nal_t *nal,
- ptl_handle_me_t *current_meh,
- ptl_process_id_t match_id,
- ptl_match_bits_t match_bits,
- ptl_match_bits_t ignore_bits,
- ptl_unlink_t unlink, ptl_ins_pos_t pos,
- ptl_handle_me_t *handle);
-extern int lib_api_me_unlink (nal_t *nal, ptl_handle_me_t *meh);
-extern void lib_me_unlink(lib_nal_t *nal, lib_me_t *me);
-
-extern int lib_api_get_id(nal_t *nal, ptl_process_id_t *pid);
-
-extern void lib_md_unlink(lib_nal_t *nal, lib_md_t *md);
-extern void lib_md_deconstruct(lib_nal_t *nal, lib_md_t *lmd, ptl_md_t *umd);
-extern int lib_api_md_attach(nal_t *nal, ptl_handle_me_t *meh,
- ptl_md_t *umd, ptl_unlink_t unlink,
- ptl_handle_md_t *handle);
-extern int lib_api_md_bind(nal_t *nal, ptl_md_t *umd, ptl_unlink_t unlink,
- ptl_handle_md_t *handle);
-extern int lib_api_md_unlink (nal_t *nal, ptl_handle_md_t *mdh);
-extern int lib_api_md_update (nal_t *nal, ptl_handle_md_t *mdh,
- ptl_md_t *oldumd, ptl_md_t *newumd,
- ptl_handle_eq_t *testqh);
-
-extern int lib_api_get(nal_t *apinal, ptl_handle_md_t *mdh,
- ptl_process_id_t *id,
- ptl_pt_index_t portal, ptl_ac_index_t ac,
- ptl_match_bits_t match_bits, ptl_size_t offset);
-extern int lib_api_put(nal_t *apinal, ptl_handle_md_t *mdh,
- ptl_ack_req_t ack, ptl_process_id_t *id,
- ptl_pt_index_t portal, ptl_ac_index_t ac,
- ptl_match_bits_t match_bits,
- ptl_size_t offset, ptl_hdr_data_t hdr_data);
-extern int lib_api_fail_nid(nal_t *apinal, ptl_nid_t nid, unsigned int threshold);
-
-#endif
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