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LU-6068 misc: update old URLs to hpdd.intel.com
[fs/lustre-release.git] / lnet / lnet / router_proc.c
index cb19004..0fe5a3f 100644 (file)
@@ -3,8 +3,7 @@
  *
  * Copyright (c) 2011, 2013, Intel Corporation.
  *
- *   This file is part of Portals
- *   http://sourceforge.net/projects/sandiaportals/
+ *   This file is part of Lustre, https://wiki.hpdd.intel.com/
  *
  *   Portals is free software; you can redistribute it and/or
  *   modify it under the terms of version 2 of the GNU General Public
 #include <libcfs/libcfs.h>
 #include <lnet/lib-lnet.h>
 
-#if defined(__KERNEL__) && defined(LNET_ROUTER)
-
 /* This is really lnet_proc.c. You might need to update sanity test 215
  * if any file format is changed. */
 
 static struct ctl_table_header *lnet_table_header = NULL;
 
-#ifndef HAVE_SYSCTL_UNNUMBERED
-#define CTL_LNET         (0x100)
-enum {
-        PSDEV_LNET_STATS = 100,
-        PSDEV_LNET_ROUTES,
-        PSDEV_LNET_ROUTERS,
-        PSDEV_LNET_PEERS,
-        PSDEV_LNET_BUFFERS,
-        PSDEV_LNET_NIS,
-       PSDEV_LNET_PTL_ROTOR,
-};
-#else
-#define CTL_LNET           CTL_UNNUMBERED
-#define PSDEV_LNET_STATS   CTL_UNNUMBERED
-#define PSDEV_LNET_ROUTES  CTL_UNNUMBERED
-#define PSDEV_LNET_ROUTERS CTL_UNNUMBERED
-#define PSDEV_LNET_PEERS   CTL_UNNUMBERED
-#define PSDEV_LNET_BUFFERS CTL_UNNUMBERED
-#define PSDEV_LNET_NIS     CTL_UNNUMBERED
-#define PSDEV_LNET_PTL_ROTOR   CTL_UNNUMBERED
-#endif
-
 #define LNET_LOFFT_BITS                (sizeof(loff_t) * 8)
 /*
  * NB: max allowed LNET_CPT_BITS is 8 on 64-bit system and 2 on 32-bit system
@@ -102,7 +77,7 @@ enum {
 #define LNET_PROC_VERSION(v)   ((unsigned int)((v) & LNET_PROC_VER_MASK))
 
 static int __proc_lnet_stats(void *data, int write,
-                             loff_t pos, void *buffer, int nob)
+                            loff_t pos, void __user *buffer, int nob)
 {
         int              rc;
         lnet_counters_t *ctrs;
@@ -150,9 +125,17 @@ static int __proc_lnet_stats(void *data, int write,
         return rc;
 }
 
-DECLARE_PROC_HANDLER(proc_lnet_stats);
+static int
+proc_lnet_stats(struct ctl_table *table, int write, void __user *buffer,
+               size_t *lenp, loff_t *ppos)
+{
+       return lprocfs_call_handler(table->data, write, ppos, buffer, lenp,
+                                   __proc_lnet_stats);
+}
 
-int LL_PROC_PROTO(proc_lnet_routes)
+static int
+proc_lnet_routes(struct ctl_table *table, int write, void __user *buffer,
+                size_t *lenp, loff_t *ppos)
 {
        const int       tmpsiz = 256;
        char            *tmpstr;
@@ -192,12 +175,12 @@ int LL_PROC_PROTO(proc_lnet_routes)
                lnet_net_unlock(0);
                *ppos = LNET_PROC_POS_MAKE(0, ver, 0, off);
        } else {
-               cfs_list_t              *n;
-               cfs_list_t              *r;
+               struct list_head        *n;
+               struct list_head        *r;
                lnet_route_t            *route = NULL;
                lnet_remotenet_t        *rnet  = NULL;
                int                     skip  = off - 1;
-               cfs_list_t              *rn_list;
+               struct list_head        *rn_list;
                int                     i;
 
                lnet_net_lock(0);
@@ -215,15 +198,15 @@ int LL_PROC_PROTO(proc_lnet_routes)
                        n = rn_list->next;
 
                        while (n != rn_list && route == NULL) {
-                               rnet = cfs_list_entry(n, lnet_remotenet_t,
-                                                     lrn_list);
+                               rnet = list_entry(n, lnet_remotenet_t,
+                                                 lrn_list);
 
                                r = rnet->lrn_routes.next;
 
                                while (r != &rnet->lrn_routes) {
                                        lnet_route_t *re =
-                                               cfs_list_entry(r, lnet_route_t,
-                                                              lr_list);
+                                               list_entry(r, lnet_route_t,
+                                                          lr_list);
                                        if (skip == 0) {
                                                route = re;
                                                break;
@@ -242,7 +225,7 @@ int LL_PROC_PROTO(proc_lnet_routes)
                        unsigned int hops       = route->lr_hops;
                        unsigned int priority   = route->lr_priority;
                        lnet_nid_t   nid        = route->lr_gateway->lp_nid;
-                       int          alive      = route->lr_gateway->lp_alive;
+                       int          alive      = lnet_is_route_alive(route);
 
                        s += snprintf(s, tmpstr + tmpsiz - s,
                                      "%-8s %4u %8u %7s %s\n",
@@ -277,7 +260,9 @@ int LL_PROC_PROTO(proc_lnet_routes)
         return rc;
 }
 
-int LL_PROC_PROTO(proc_lnet_routers)
+static int
+proc_lnet_routers(struct ctl_table *table, int write, void __user *buffer,
+                 size_t *lenp, loff_t *ppos)
 {
         int        rc = 0;
         char      *tmpstr;
@@ -314,9 +299,9 @@ int LL_PROC_PROTO(proc_lnet_routers)
                lnet_net_unlock(0);
                *ppos = LNET_PROC_POS_MAKE(0, ver, 0, off);
        } else {
-               cfs_list_t              *r;
-               struct lnet_peer        *peer = NULL;
-               int                     skip = off - 1;
+               struct list_head *r;
+               struct lnet_peer *peer = NULL;
+               int               skip = off - 1;
 
                lnet_net_lock(0);
 
@@ -329,9 +314,9 @@ int LL_PROC_PROTO(proc_lnet_routers)
 
                 r = the_lnet.ln_routers.next;
 
-                while (r != &the_lnet.ln_routers) {
-                        lnet_peer_t *lp = cfs_list_entry(r, lnet_peer_t,
-                                                         lp_rtr_list);
+               while (r != &the_lnet.ln_routers) {
+                       lnet_peer_t *lp = list_entry(r, lnet_peer_t,
+                                                    lp_rtr_list);
 
                         if (skip == 0) {
                                 peer = lp;
@@ -358,8 +343,8 @@ int LL_PROC_PROTO(proc_lnet_routers)
 
                        if ((peer->lp_ping_feats &
                             LNET_PING_FEAT_NI_STATUS) != 0) {
-                               cfs_list_for_each_entry(rtr, &peer->lp_routes,
-                                                       lr_gwlist) {
+                               list_for_each_entry(rtr, &peer->lp_routes,
+                                                   lr_gwlist) {
                                        /* downis on any route should be the
                                         * number of downis on the gateway */
                                        if (rtr->lr_downis != 0) {
@@ -411,7 +396,9 @@ int LL_PROC_PROTO(proc_lnet_routers)
         return rc;
 }
 
-int LL_PROC_PROTO(proc_lnet_peers)
+static int
+proc_lnet_peers(struct ctl_table *table, int write, void __user *buffer,
+               size_t *lenp, loff_t *ppos)
 {
        const int               tmpsiz  = 256;
        struct lnet_peer_table  *ptable;
@@ -451,7 +438,7 @@ int LL_PROC_PROTO(proc_lnet_peers)
                hoff++;
        } else {
                struct lnet_peer        *peer;
-               cfs_list_t              *p;
+               struct list_head        *p;
                int                     skip;
  again:
                p = NULL;
@@ -474,8 +461,8 @@ int LL_PROC_PROTO(proc_lnet_peers)
                                p = ptable->pt_hash[hash].next;
 
                        while (p != &ptable->pt_hash[hash]) {
-                                lnet_peer_t *lp = cfs_list_entry(p, lnet_peer_t,
-                                                                 lp_hashlist);
+                               lnet_peer_t *lp = list_entry(p, lnet_peer_t,
+                                                            lp_hashlist);
                                 if (skip == 0) {
                                         peer = lp;
 
@@ -578,7 +565,7 @@ int LL_PROC_PROTO(proc_lnet_peers)
 }
 
 static int __proc_lnet_buffers(void *data, int write,
-                               loff_t pos, void *buffer, int nob)
+                              loff_t pos, void __user *buffer, int nob)
 {
        char            *s;
        char            *tmpstr;
@@ -635,9 +622,17 @@ static int __proc_lnet_buffers(void *data, int write,
         return rc;
 }
 
-DECLARE_PROC_HANDLER(proc_lnet_buffers);
+static int
+proc_lnet_buffers(struct ctl_table *table, int write, void __user *buffer,
+                 size_t *lenp, loff_t *ppos)
+{
+       return lprocfs_call_handler(table->data, write, ppos, buffer, lenp,
+                                   __proc_lnet_buffers);
+}
 
-int LL_PROC_PROTO(proc_lnet_nis)
+static int
+proc_lnet_nis(struct ctl_table *table, int write, void __user *buffer,
+             size_t *lenp, loff_t *ppos)
 {
        int     tmpsiz = 128 * LNET_CPT_NUMBER;
         int        rc = 0;
@@ -663,7 +658,7 @@ int LL_PROC_PROTO(proc_lnet_nis)
                               "rtr", "max", "tx", "min");
                 LASSERT (tmpstr + tmpsiz - s > 0);
         } else {
-                cfs_list_t        *n;
+               struct list_head  *n;
                 lnet_ni_t         *ni   = NULL;
                 int                skip = *ppos - 1;
 
@@ -671,8 +666,8 @@ int LL_PROC_PROTO(proc_lnet_nis)
 
                 n = the_lnet.ln_nis.next;
 
-                while (n != &the_lnet.ln_nis) {
-                        lnet_ni_t *a_ni = cfs_list_entry(n, lnet_ni_t, ni_list);
+               while (n != &the_lnet.ln_nis) {
+                       lnet_ni_t *a_ni = list_entry(n, lnet_ni_t, ni_list);
 
                         if (skip == 0) {
                                 ni = a_ni;
@@ -792,10 +787,8 @@ static struct lnet_portal_rotors   portal_rotors[] = {
        },
 };
 
-extern int portal_rotor;
-
 static int __proc_lnet_portal_rotor(void *data, int write,
-                                   loff_t pos, void *buffer, int nob)
+                                   loff_t pos, void __user *buffer, int nob)
 {
        const int       buf_len = 128;
        char            *buf;
@@ -842,8 +835,8 @@ static int __proc_lnet_portal_rotor(void *data, int write,
        rc = -EINVAL;
        lnet_res_lock(0);
        for (i = 0; portal_rotors[i].pr_name != NULL; i++) {
-               if (cfs_strncasecmp(portal_rotors[i].pr_name, tmp,
-                                   strlen(portal_rotors[i].pr_name)) == 0) {
+               if (strncasecmp(portal_rotors[i].pr_name, tmp,
+                               strlen(portal_rotors[i].pr_name)) == 0) {
                        portal_rotor = portal_rotors[i].pr_value;
                        rc = 0;
                        break;
@@ -854,72 +847,76 @@ out:
        LIBCFS_FREE(buf, buf_len);
        return rc;
 }
-DECLARE_PROC_HANDLER(proc_lnet_portal_rotor);
+
+static int
+proc_lnet_portal_rotor(struct ctl_table *table, int write, void __user *buffer,
+                      size_t *lenp, loff_t *ppos)
+{
+       return lprocfs_call_handler(table->data, write, ppos, buffer, lenp,
+                                   __proc_lnet_portal_rotor);
+}
+
 
 static struct ctl_table lnet_table[] = {
-        /*
-         * NB No .strategy entries have been provided since sysctl(8) prefers
-         * to go via /proc for portability.
-         */
-        {
-                INIT_CTL_NAME(PSDEV_LNET_STATS)
-                .procname = "stats",
-                .mode     = 0644,
-                .proc_handler = &proc_lnet_stats,
-        },
-        {
-                INIT_CTL_NAME(PSDEV_LNET_ROUTES)
-                .procname = "routes",
-                .mode     = 0444,
-                .proc_handler = &proc_lnet_routes,
-        },
-        {
-                INIT_CTL_NAME(PSDEV_LNET_ROUTERS)
-                .procname = "routers",
-                .mode     = 0444,
-                .proc_handler = &proc_lnet_routers,
-        },
-        {
-                INIT_CTL_NAME(PSDEV_LNET_PEERS)
-                .procname = "peers",
-                .mode     = 0444,
-                .proc_handler = &proc_lnet_peers,
-        },
-        {
-                INIT_CTL_NAME(PSDEV_LNET_PEERS)
-                .procname = "buffers",
-                .mode     = 0444,
-                .proc_handler = &proc_lnet_buffers,
-        },
-        {
-                INIT_CTL_NAME(PSDEV_LNET_NIS)
-                .procname = "nis",
-                .mode     = 0444,
-                .proc_handler = &proc_lnet_nis,
-        },
-        {
-               INIT_CTL_NAME(PSDEV_LNET_PTL_ROTOR)
-               .procname = "portal_rotor",
-               .mode     = 0644,
-               .proc_handler = &proc_lnet_portal_rotor,
+       /*
+        * NB No .strategy entries have been provided since sysctl(8) prefers
+        * to go via /proc for portability.
+        */
+       {
+               INIT_CTL_NAME
+               .procname       = "stats",
+               .mode           = 0644,
+               .proc_handler   = &proc_lnet_stats,
        },
        {
-               INIT_CTL_NAME(0)
-       }
+               INIT_CTL_NAME
+               .procname       = "routes",
+               .mode           = 0444,
+               .proc_handler   = &proc_lnet_routes,
+       },
+       {
+               INIT_CTL_NAME
+               .procname       = "routers",
+               .mode           = 0444,
+               .proc_handler   = &proc_lnet_routers,
+       },
+       {
+               INIT_CTL_NAME
+               .procname       = "peers",
+               .mode           = 0444,
+               .proc_handler   = &proc_lnet_peers,
+       },
+       {
+               INIT_CTL_NAME
+               .procname       = "buffers",
+               .mode           = 0444,
+               .proc_handler   = &proc_lnet_buffers,
+       },
+       {
+               INIT_CTL_NAME
+               .procname       = "nis",
+               .mode           = 0444,
+               .proc_handler   = &proc_lnet_nis,
+       },
+       {
+               INIT_CTL_NAME
+               .procname       = "portal_rotor",
+               .mode           = 0644,
+               .proc_handler   = &proc_lnet_portal_rotor,
+       },
+       { 0 }
 };
 
 static struct ctl_table top_table[] = {
-        {
-                INIT_CTL_NAME(CTL_LNET)
-                .procname = "lnet",
-                .mode     = 0555,
-                .data     = NULL,
-                .maxlen   = 0,
-                .child    = lnet_table,
-        },
-        {
-                INIT_CTL_NAME(0)
-        }
+       {
+               INIT_CTL_NAME
+               .procname       = "lnet",
+               .mode           = 0555,
+               .data           = NULL,
+               .maxlen         = 0,
+               .child          = lnet_table,
+       },
+       { 0 }
 };
 
 void
@@ -941,17 +938,3 @@ lnet_proc_fini(void)
        lnet_table_header = NULL;
 #endif
 }
-
-#else
-
-void
-lnet_proc_init(void)
-{
-}
-
-void
-lnet_proc_fini(void)
-{
-}
-
-#endif