+++ /dev/null
-#ifndef _LIB_NAL_H_
-#define _LIB_NAL_H_
-
-#include "build_check.h"
-/*
- * nal.h
- *
- * Library side headers that define the abstraction layer's
- * responsibilities and interfaces
- */
-
-#include <portals/lib-types.h>
-
-struct nal_cb_t {
- /*
- * Per interface portal table, access control table
- * and NAL private data field;
- */
- lib_ni_t ni;
- void *nal_data;
- /*
- * send: Sends a preformatted header and payload data to a
- * specified remote process. The payload is scattered over 'niov'
- * fragments described by iov, starting at 'offset' for 'mlen'
- * bytes.
- * NB the NAL may NOT overwrite iov.
- * PTL_OK on success => NAL has committed to send and will call
- * lib_finalize on completion
- */
- ptl_err_t (*cb_send) (nal_cb_t * nal, void *private, lib_msg_t * cookie,
- ptl_hdr_t * hdr, int type, ptl_nid_t nid, ptl_pid_t pid,
- unsigned int niov, struct iovec *iov,
- size_t offset, size_t mlen);
-
- /* as send, but with a set of page fragments (NULL if not supported) */
- ptl_err_t (*cb_send_pages) (nal_cb_t * nal, void *private, lib_msg_t * cookie,
- ptl_hdr_t * hdr, int type, ptl_nid_t nid, ptl_pid_t pid,
- unsigned int niov, ptl_kiov_t *iov,
- size_t offset, size_t mlen);
- /*
- * recv: Receives an incoming message from a remote process. The
- * payload is to be received into the scattered buffer of 'niov'
- * fragments described by iov, starting at 'offset' for 'mlen'
- * bytes. Payload bytes after 'mlen' up to 'rlen' are to be
- * discarded.
- * NB the NAL may NOT overwrite iov.
- * PTL_OK on success => NAL has committed to receive and will call
- * lib_finalize on completion
- */
- ptl_err_t (*cb_recv) (nal_cb_t * nal, void *private, lib_msg_t * cookie,
- unsigned int niov, struct iovec *iov,
- size_t offset, size_t mlen, size_t rlen);
-
- /* as recv, but with a set of page fragments (NULL if not supported) */
- ptl_err_t (*cb_recv_pages) (nal_cb_t * nal, void *private, lib_msg_t * cookie,
- unsigned int niov, ptl_kiov_t *iov,
- size_t offset, size_t mlen, size_t rlen);
- /*
- * read: Reads a block of data from a specified user address
- */
- ptl_err_t (*cb_read) (nal_cb_t * nal, void *private, void *dst_addr,
- user_ptr src_addr, size_t len);
-
- /*
- * write: Writes a block of data into a specified user address
- */
- ptl_err_t (*cb_write) (nal_cb_t * nal, void *private, user_ptr dsr_addr,
- void *src_addr, size_t len);
-
- /*
- * callback: Calls an event callback
- * NULL => lib calls eq's callback (if any) directly.
- */
- void (*cb_callback) (nal_cb_t * nal, void *private, lib_eq_t *eq,
- ptl_event_t *ev);
-
- /*
- * malloc: Acquire a block of memory in a system independent
- * fashion.
- */
- void *(*cb_malloc) (nal_cb_t * nal, size_t len);
-
- void (*cb_free) (nal_cb_t * nal, void *buf, size_t len);
-
- /*
- * (un)map: Tell the NAL about some memory it will access.
- * *addrkey passed to cb_unmap() is what cb_map() set it to.
- * type of *iov depends on options.
- * Set to NULL if not required.
- */
- ptl_err_t (*cb_map) (nal_cb_t * nal, unsigned int niov, struct iovec *iov,
- void **addrkey);
- void (*cb_unmap) (nal_cb_t * nal, unsigned int niov, struct iovec *iov,
- void **addrkey);
-
- /* as (un)map, but with a set of page fragments */
- ptl_err_t (*cb_map_pages) (nal_cb_t * nal, unsigned int niov, ptl_kiov_t *iov,
- void **addrkey);
- void (*cb_unmap_pages) (nal_cb_t * nal, unsigned int niov, ptl_kiov_t *iov,
- void **addrkey);
-
- void (*cb_printf) (nal_cb_t * nal, const char *fmt, ...);
-
- /* Turn interrupts off (begin of protected area) */
- void (*cb_cli) (nal_cb_t * nal, unsigned long *flags);
-
- /* Turn interrupts on (end of protected area) */
- void (*cb_sti) (nal_cb_t * nal, unsigned long *flags);
-
- /*
- * Calculate a network "distance" to given node
- */
- int (*cb_dist) (nal_cb_t * nal, ptl_nid_t nid, unsigned long *dist);
-};
-
-#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff