* Lustre is a trademark of Sun Microsystems, Inc.
*
* lnet/include/lnet/lib-lnet.h
- *
- * Top level include for library side routines
*/
#ifndef __LNET_LIB_LNET_H__
#include "../libcfs/libcfs.h"
#include "api.h"
-#include "types.h"
#include "lnet.h"
#include "lib-types.h"
#ifndef __LNET_LIB_TYPES_H__
#define __LNET_LIB_TYPES_H__
-#include "../libcfs/libcfs.h"
-#include <linux/list.h>
-#include "types.h"
-
-#define WIRE_ATTR __attribute__((packed))
-
-/* Packed version of lnet_process_id_t to transfer via network */
-typedef struct {
- lnet_nid_t nid;
- lnet_pid_t pid; /* node id / process id */
-} WIRE_ATTR lnet_process_id_packed_t;
-
-/* The wire handle's interface cookie only matches one network interface in
- * one epoch (i.e. new cookie when the interface restarts or the node
- * reboots). The object cookie only matches one object on that interface
- * during that object's lifetime (i.e. no cookie re-use). */
-typedef struct {
- __u64 wh_interface_cookie;
- __u64 wh_object_cookie;
-} WIRE_ATTR lnet_handle_wire_t;
-
-typedef enum {
- LNET_MSG_ACK = 0,
- LNET_MSG_PUT,
- LNET_MSG_GET,
- LNET_MSG_REPLY,
- LNET_MSG_HELLO,
-} lnet_msg_type_t;
-
-/* The variant fields of the portals message header are aligned on an 8
- * byte boundary in the message header. Note that all types used in these
- * wire structs MUST be fixed size and the smaller types are placed at the
- * end. */
-typedef struct lnet_ack {
- lnet_handle_wire_t dst_wmd;
- __u64 match_bits;
- __u32 mlength;
-} WIRE_ATTR lnet_ack_t;
-
-typedef struct lnet_put {
- lnet_handle_wire_t ack_wmd;
- __u64 match_bits;
- __u64 hdr_data;
- __u32 ptl_index;
- __u32 offset;
-} WIRE_ATTR lnet_put_t;
-
-typedef struct lnet_get {
- lnet_handle_wire_t return_wmd;
- __u64 match_bits;
- __u32 ptl_index;
- __u32 src_offset;
- __u32 sink_length;
-} WIRE_ATTR lnet_get_t;
-
-typedef struct lnet_reply {
- lnet_handle_wire_t dst_wmd;
-} WIRE_ATTR lnet_reply_t;
-
-typedef struct lnet_hello {
- __u64 incarnation;
- __u32 type;
-} WIRE_ATTR lnet_hello_t;
+#include <linux/kthread.h>
+#include <linux/uio.h>
+#include <linux/types.h>
+#include <net/sock.h>
-typedef struct {
- lnet_nid_t dest_nid;
- lnet_nid_t src_nid;
- lnet_pid_t dest_pid;
- lnet_pid_t src_pid;
- __u32 type; /* lnet_msg_type_t */
- __u32 payload_length; /* payload data to follow */
- /*<------__u64 aligned------->*/
- union {
- lnet_ack_t ack;
- lnet_put_t put;
- lnet_get_t get;
- lnet_reply_t reply;
- lnet_hello_t hello;
- } msg;
-} WIRE_ATTR lnet_hdr_t;
-
-/* A HELLO message contains a magic number and protocol version
- * code in the header's dest_nid, the peer's NID in the src_nid, and
- * LNET_MSG_HELLO in the type field. All other common fields are zero
- * (including payload_size; i.e. no payload).
- * This is for use by byte-stream LNDs (e.g. TCP/IP) to check the peer is
- * running the same protocol and to find out its NID. These LNDs should
- * exchange HELLO messages when a connection is first established. Individual
- * LNDs can put whatever else they fancy in lnet_hdr_t::msg.
- */
-typedef struct {
- __u32 magic; /* LNET_PROTO_TCP_MAGIC */
- __u16 version_major; /* increment on incompatible change */
- __u16 version_minor; /* increment on compatible change */
-} WIRE_ATTR lnet_magicversion_t;
-
-/* PROTO MAGIC for LNDs */
-#define LNET_PROTO_IB_MAGIC 0x0be91b91
-#define LNET_PROTO_GNI_MAGIC 0xb00fbabe /* ask Kim */
-#define LNET_PROTO_TCP_MAGIC 0xeebc0ded
-#define LNET_PROTO_ACCEPTOR_MAGIC 0xacce7100
-#define LNET_PROTO_PING_MAGIC 0x70696E67 /* 'ping' */
-
-/* Placeholder for a future "unified" protocol across all LNDs */
-/* Current LNDs that receive a request with this magic will respond with a
- * "stub" reply using their current protocol */
-#define LNET_PROTO_MAGIC 0x45726963 /* ! */
-
-#define LNET_PROTO_TCP_VERSION_MAJOR 1
-#define LNET_PROTO_TCP_VERSION_MINOR 0
-
-/* Acceptor connection request */
-typedef struct {
- __u32 acr_magic; /* PTL_ACCEPTOR_PROTO_MAGIC */
- __u32 acr_version; /* protocol version */
- __u64 acr_nid; /* target NID */
-} WIRE_ATTR lnet_acceptor_connreq_t;
+#include "types.h"
-#define LNET_PROTO_ACCEPTOR_VERSION 1
+/* Max payload size */
+#define LNET_MAX_PAYLOAD CONFIG_LNET_MAX_PAYLOAD
+#if (LNET_MAX_PAYLOAD < LNET_MTU)
+# error "LNET_MAX_PAYLOAD too small - error in configure --with-max-payload-mb"
+#elif (LNET_MAX_PAYLOAD > (PAGE_SIZE * LNET_MAX_IOV))
+# error "LNET_MAX_PAYLOAD too large - error in configure --with-max-payload-mb"
+#endif
/* forward refs */
struct lnet_libmd;
int lnd_refcount; /* # active instances */
/* fields initialised by the LND */
- unsigned int lnd_type;
+ __u32 lnd_type;
int (*lnd_startup)(struct lnet_ni *ni);
void (*lnd_shutdown)(struct lnet_ni *ni);
} lnd_t;
-#define LNET_NI_STATUS_UP 0x15aac0de
-#define LNET_NI_STATUS_DOWN 0xdeadface
-#define LNET_NI_STATUS_INVALID 0x00000000
-typedef struct {
- lnet_nid_t ns_nid;
- __u32 ns_status;
- __u32 ns_unused;
-} WIRE_ATTR lnet_ni_status_t;
-
struct lnet_tx_queue {
int tq_credits; /* # tx credits free */
int tq_credits_min; /* lowest it's been */
struct list_head tq_delayed; /* delayed TXs */
};
-#define LNET_MAX_INTERFACES 16
-
typedef struct lnet_ni {
spinlock_t ni_lock;
struct list_head ni_list; /* chain on ln_nis */
#define LNET_PING_FEAT_MASK (LNET_PING_FEAT_BASE | \
LNET_PING_FEAT_NI_STATUS)
-typedef struct {
- __u32 pi_magic;
- __u32 pi_features;
- lnet_pid_t pi_pid;
- __u32 pi_nnis;
- lnet_ni_status_t pi_ni[0];
-} WIRE_ATTR lnet_ping_info_t;
-
/* router checker data, per router */
#define LNET_MAX_RTR_NIS 16
#define LNET_PINGINFO_SIZE offsetof(lnet_ping_info_t, pi_ni[LNET_MAX_RTR_NIS])
__u32 lrn_net; /* my net number */
} lnet_remotenet_t;
+/** lnet message has credit and can be submitted to lnd for send/receive */
+#define LNET_CREDIT_OK 0
+/** lnet message is waiting for credit */
+#define LNET_CREDIT_WAIT 1
+
typedef struct {
struct list_head rbp_bufs; /* my free buffer pool */
struct list_head rbp_msgs; /* messages blocking for a buffer */
lnet_kiov_t rb_kiov[0]; /* the buffer space */
} lnet_rtrbuf_t;
-typedef struct {
- __u32 msgs_alloc;
- __u32 msgs_max;
- __u32 errors;
- __u32 send_count;
- __u32 recv_count;
- __u32 route_count;
- __u32 drop_count;
- __u64 send_length;
- __u64 recv_length;
- __u64 route_length;
- __u64 drop_length;
-} WIRE_ATTR lnet_counters_t;
-
#define LNET_PEER_HASHSIZE 503 /* prime! */
-#define LNET_NRBPOOLS 3 /* # different router buffer pools */
+#define LNET_NRBPOOLS 3 /* # different router buffer pools */
enum {
/* Didn't match anything */
* along with Portals; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
- * header for libptlctl.a
+ * header for lnet ioctl
*/
-#ifndef _PTLCTL_H_
-#define _PTLCTL_H_
+#ifndef _LNETCTL_H_
+#define _LNETCTL_H_
-#include "../libcfs/libcfs.h"
#include "types.h"
#define LNET_DEV_ID 0
#ifndef __LNET_ST_H__
#define __LNET_ST_H__
-#include "../libcfs/libcfs.h"
-#include "lnet.h"
-#include "lib-types.h"
+#include <linux/types.h>
#define LST_FEAT_NONE (0)
#define LST_FEAT_BULK_LEN (1 << 0) /* enable variable page size */
int png_flags; /* reserved flags */
} lst_test_ping_param_t;
-/* more tests */
typedef struct {
__u32 errors;
__u32 rpcs_sent;
#define __LNET_LNET_SOCKLND_H__
#include "types.h"
-#include "lib-types.h"
#define SOCKLND_CONN_NONE (-1)
#define SOCKLND_CONN_ANY 0
#ifndef __LNET_TYPES_H__
#define __LNET_TYPES_H__
+#include <linux/types.h>
+
/** \addtogroup lnet
* @{ */
-#include "../libcfs/libcfs.h"
-
/** \addtogroup lnet_addr
* @{ */
#define LNET_PID_RESERVED 0xf0000000 /* reserved bits in PID */
#define LNET_PID_USERFLAG 0x80000000 /* set in userspace peers */
+#define LNET_PID_LUSTRE 12345
#define LNET_TIME_FOREVER (-1)
return (type << 16) | num;
}
-/**
+#define WIRE_ATTR __packed
+
+/* Packed version of lnet_process_id_t to transfer via network */
+typedef struct {
+ /* node id / process id */
+ lnet_nid_t nid;
+ lnet_pid_t pid;
+} WIRE_ATTR lnet_process_id_packed_t;
+
+/* The wire handle's interface cookie only matches one network interface in
+ * one epoch (i.e. new cookie when the interface restarts or the node
+ * reboots). The object cookie only matches one object on that interface
+ * during that object's lifetime (i.e. no cookie re-use). */
+typedef struct {
+ __u64 wh_interface_cookie;
+ __u64 wh_object_cookie;
+} WIRE_ATTR lnet_handle_wire_t;
+
+typedef enum {
+ LNET_MSG_ACK = 0,
+ LNET_MSG_PUT,
+ LNET_MSG_GET,
+ LNET_MSG_REPLY,
+ LNET_MSG_HELLO,
+} lnet_msg_type_t;
+
+/* The variant fields of the portals message header are aligned on an 8
+ * byte boundary in the message header. Note that all types used in these
+ * wire structs MUST be fixed size and the smaller types are placed at the
+ * end. */
+typedef struct lnet_ack {
+ lnet_handle_wire_t dst_wmd;
+ __u64 match_bits;
+ __u32 mlength;
+} WIRE_ATTR lnet_ack_t;
+
+typedef struct lnet_put {
+ lnet_handle_wire_t ack_wmd;
+ __u64 match_bits;
+ __u64 hdr_data;
+ __u32 ptl_index;
+ __u32 offset;
+} WIRE_ATTR lnet_put_t;
+
+typedef struct lnet_get {
+ lnet_handle_wire_t return_wmd;
+ __u64 match_bits;
+ __u32 ptl_index;
+ __u32 src_offset;
+ __u32 sink_length;
+} WIRE_ATTR lnet_get_t;
+
+typedef struct lnet_reply {
+ lnet_handle_wire_t dst_wmd;
+} WIRE_ATTR lnet_reply_t;
+
+typedef struct lnet_hello {
+ __u64 incarnation;
+ __u32 type;
+} WIRE_ATTR lnet_hello_t;
+
+typedef struct {
+ lnet_nid_t dest_nid;
+ lnet_nid_t src_nid;
+ lnet_pid_t dest_pid;
+ lnet_pid_t src_pid;
+ __u32 type; /* lnet_msg_type_t */
+ __u32 payload_length; /* payload data to follow */
+ /*<------__u64 aligned------->*/
+ union {
+ lnet_ack_t ack;
+ lnet_put_t put;
+ lnet_get_t get;
+ lnet_reply_t reply;
+ lnet_hello_t hello;
+ } msg;
+} WIRE_ATTR lnet_hdr_t;
+
+/* A HELLO message contains a magic number and protocol version
+ * code in the header's dest_nid, the peer's NID in the src_nid, and
+ * LNET_MSG_HELLO in the type field. All other common fields are zero
+ * (including payload_size; i.e. no payload).
+ * This is for use by byte-stream LNDs (e.g. TCP/IP) to check the peer is
+ * running the same protocol and to find out its NID. These LNDs should
+ * exchange HELLO messages when a connection is first established. Individual
+ * LNDs can put whatever else they fancy in lnet_hdr_t::msg.
+ */
+typedef struct {
+ __u32 magic; /* LNET_PROTO_TCP_MAGIC */
+ __u16 version_major; /* increment on incompatible change */
+ __u16 version_minor; /* increment on compatible change */
+} WIRE_ATTR lnet_magicversion_t;
+
+/* PROTO MAGIC for LNDs */
+#define LNET_PROTO_IB_MAGIC 0x0be91b91
+#define LNET_PROTO_GNI_MAGIC 0xb00fbabe /* ask Kim */
+#define LNET_PROTO_TCP_MAGIC 0xeebc0ded
+#define LNET_PROTO_ACCEPTOR_MAGIC 0xacce7100
+#define LNET_PROTO_PING_MAGIC 0x70696E67 /* 'ping' */
+
+/* Placeholder for a future "unified" protocol across all LNDs */
+/* Current LNDs that receive a request with this magic will respond with a
+ * "stub" reply using their current protocol */
+#define LNET_PROTO_MAGIC 0x45726963 /* ! */
+
+#define LNET_PROTO_TCP_VERSION_MAJOR 1
+#define LNET_PROTO_TCP_VERSION_MINOR 0
+
+/* Acceptor connection request */
+typedef struct {
+ __u32 acr_magic; /* PTL_ACCEPTOR_PROTO_MAGIC */
+ __u32 acr_version; /* protocol version */
+ __u64 acr_nid; /* target NID */
+} WIRE_ATTR lnet_acceptor_connreq_t;
+
+#define LNET_PROTO_ACCEPTOR_VERSION 1
+
+typedef struct {
+ lnet_nid_t ns_nid;
+ __u32 ns_status;
+ __u32 ns_unused;
+} WIRE_ATTR lnet_ni_status_t;
+
+typedef struct {
+ __u32 pi_magic;
+ __u32 pi_features;
+ lnet_pid_t pi_pid;
+ __u32 pi_nnis;
+ lnet_ni_status_t pi_ni[0];
+} WIRE_ATTR lnet_ping_info_t;
+
+typedef struct lnet_counters {
+ __u32 msgs_alloc;
+ __u32 msgs_max;
+ __u32 errors;
+ __u32 send_count;
+ __u32 recv_count;
+ __u32 route_count;
+ __u32 drop_count;
+ __u64 send_length;
+ __u64 recv_length;
+ __u64 route_length;
+ __u64 drop_length;
+} WIRE_ATTR lnet_counters_t;
+
+#define LNET_NI_STATUS_UP 0x15aac0de
+#define LNET_NI_STATUS_DOWN 0xdeadface
+#define LNET_NI_STATUS_INVALID 0x00000000
+
+#define LNET_MAX_INTERFACES 16
+
+/*
* Objects maintained by the LNet are accessed through handles. Handle types
* have names of the form lnet_handle_xx_t, where xx is one of the two letter
* object type codes ('eq' for event queue, 'md' for memory descriptor, and
/** limit on the number of fragments in discontiguous MDs */
#define LNET_MAX_IOV 256
-/* Max payload size */
-# define LNET_MAX_PAYLOAD CONFIG_LNET_MAX_PAYLOAD
-# if (LNET_MAX_PAYLOAD < LNET_MTU)
-# error "LNET_MAX_PAYLOAD too small - error in configure --with-max-payload-mb"
-# else
-# if (LNET_MAX_PAYLOAD > (PAGE_SIZE * LNET_MAX_IOV))
-/* PAGE_SIZE is a constant: check with cpp! */
-# error "LNET_MAX_PAYLOAD too large - error in configure --with-max-payload-mb"
-# endif
-# endif
-
/**
* Options for the MD structure. See lnet_md_t::options.
*/
*/
#define DEBUG_SUBSYSTEM S_LNET
-#include "../../include/linux/lnet/lib-lnet.h"
#include <linux/log2.h>
#include <linux/ktime.h>
+#include "../../include/linux/lnet/lib-lnet.h"
+
#define D_LNI D_CONSOLE
lnet_t the_lnet; /* THE state of the network */
projects / linux-beck.git / commitdiff