/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
*
- * Copyright (c) 2011, Whamcloud, Inc.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*
* This file is part of Portals
* http://sourceforge.net/projects/sandiaportals/
/* This is really lnet_proc.c. You might need to update sanity test 215
* if any file format is changed. */
-static cfs_sysctl_table_header_t *lnet_table_header = NULL;
+static struct ctl_table_header *lnet_table_header = NULL;
#ifndef HAVE_SYSCTL_UNNUMBERED
#define CTL_LNET (0x100)
PSDEV_LNET_PEERS,
PSDEV_LNET_BUFFERS,
PSDEV_LNET_NIS,
+ PSDEV_LNET_PTL_ROTOR,
};
#else
#define CTL_LNET 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: we don't use the highest bit of *ppos because it's signed;
- * next 9 bits is used to stash idx (assuming that
- * LNET_PEER_HASHSIZE < 512)
+ * NB: max allowed LNET_CPT_BITS is 8 on 64-bit system and 2 on 32-bit system
*/
-#define LNET_LOFFT_BITS (sizeof(loff_t) * 8)
-#define LNET_VERSION_BITS MAX(((MIN(LNET_LOFFT_BITS, 64)) / 4), 8)
-#define LNET_PHASH_IDX_BITS 9
-#define LNET_PHASH_NUM_BITS (LNET_LOFFT_BITS - 1 -\
- LNET_VERSION_BITS - LNET_PHASH_IDX_BITS)
-#define LNET_PHASH_BITS (LNET_PHASH_IDX_BITS + LNET_PHASH_NUM_BITS)
-
-#define LNET_VERSION_BITMASK ((1ULL << LNET_VERSION_BITS) - 1)
-#define LNET_PHASH_IDX_BITMASK ((1ULL << LNET_PHASH_IDX_BITS) - 1)
-#define LNET_PHASH_NUM_BITMASK ((1ULL << LNET_PHASH_NUM_BITS) - 1)
-
-#define LNET_VERSION_MASK (LNET_VERSION_BITMASK << LNET_PHASH_BITS)
-#define LNET_PHASH_IDX_MASK (LNET_PHASH_IDX_BITMASK << LNET_PHASH_NUM_BITS)
-#define LNET_PHASH_NUM_MASK (LNET_PHASH_NUM_BITMASK)
-
-#define LNET_VERSION_GET(pos) (int)(((pos) & LNET_VERSION_MASK) >> \
- LNET_PHASH_BITS)
-#define LNET_PHASH_IDX_GET(pos) (int)(((pos) & LNET_PHASH_IDX_MASK) >> \
- LNET_PHASH_NUM_BITS)
-#define LNET_PHASH_NUM_GET(pos) (int)((pos) & LNET_PHASH_NUM_MASK)
-#define LNET_VERSION_VALID_MASK(ver) \
- (unsigned int)((ver) & \
- LNET_VERSION_BITMASK)
-#define LNET_PHASH_POS_MAKE(ver, idx, num) \
- (((((loff_t)(ver)) & LNET_VERSION_BITMASK) << \
- LNET_PHASH_BITS) | \
- ((((loff_t)(idx)) & LNET_PHASH_IDX_BITMASK) <<\
- LNET_PHASH_NUM_BITS) | \
- ((num) & LNET_PHASH_NUM_BITMASK))
+#define LNET_PROC_CPT_BITS (LNET_CPT_BITS + 1)
+/* change version, 16 bits or 8 bits */
+#define LNET_PROC_VER_BITS MAX(((MIN(LNET_LOFFT_BITS, 64)) / 4), 8)
+
+#define LNET_PROC_HASH_BITS LNET_PEER_HASH_BITS
+/*
+ * bits for peer hash offset
+ * NB: we don't use the highest bit of *ppos because it's signed
+ */
+#define LNET_PROC_HOFF_BITS (LNET_LOFFT_BITS - \
+ LNET_PROC_CPT_BITS - \
+ LNET_PROC_VER_BITS - \
+ LNET_PROC_HASH_BITS - 1)
+/* bits for hash index + position */
+#define LNET_PROC_HPOS_BITS (LNET_PROC_HASH_BITS + LNET_PROC_HOFF_BITS)
+/* bits for peer hash table + hash version */
+#define LNET_PROC_VPOS_BITS (LNET_PROC_HPOS_BITS + LNET_PROC_VER_BITS)
+
+#define LNET_PROC_CPT_MASK ((1ULL << LNET_PROC_CPT_BITS) - 1)
+#define LNET_PROC_VER_MASK ((1ULL << LNET_PROC_VER_BITS) - 1)
+#define LNET_PROC_HASH_MASK ((1ULL << LNET_PROC_HASH_BITS) - 1)
+#define LNET_PROC_HOFF_MASK ((1ULL << LNET_PROC_HOFF_BITS) - 1)
+
+#define LNET_PROC_CPT_GET(pos) \
+ (int)(((pos) >> LNET_PROC_VPOS_BITS) & LNET_PROC_CPT_MASK)
+
+#define LNET_PROC_VER_GET(pos) \
+ (int)(((pos) >> LNET_PROC_HPOS_BITS) & LNET_PROC_VER_MASK)
+
+#define LNET_PROC_HASH_GET(pos) \
+ (int)(((pos) >> LNET_PROC_HOFF_BITS) & LNET_PROC_HASH_MASK)
+
+#define LNET_PROC_HOFF_GET(pos) \
+ (int)((pos) & LNET_PROC_HOFF_MASK)
+
+#define LNET_PROC_POS_MAKE(cpt, ver, hash, off) \
+ (((((loff_t)(cpt)) & LNET_PROC_CPT_MASK) << LNET_PROC_VPOS_BITS) | \
+ ((((loff_t)(ver)) & LNET_PROC_VER_MASK) << LNET_PROC_HPOS_BITS) | \
+ ((((loff_t)(hash)) & LNET_PROC_HASH_MASK) << LNET_PROC_HOFF_BITS) | \
+ ((off) & LNET_PROC_HOFF_MASK))
+
+#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)
const int tmpsiz = 256; /* 7 %u and 4 LPU64 */
if (write) {
- LNET_LOCK();
- memset(&the_lnet.ln_counters, 0, sizeof(the_lnet.ln_counters));
- LNET_UNLOCK();
- return 0;
+ lnet_counters_reset();
+ return 0;
}
/* read */
return -ENOMEM;
}
- LNET_LOCK();
- *ctrs = the_lnet.ln_counters;
- LNET_UNLOCK();
+ lnet_counters_get(ctrs);
len = snprintf(tmpstr, tmpsiz,
"%u %u %u %u %u %u %u "LPU64" "LPU64" "
int LL_PROC_PROTO(proc_lnet_routes)
{
- int rc = 0;
- char *tmpstr;
- char *s;
- const int tmpsiz = 256;
- int len;
- int ver;
- int num;
+ const int tmpsiz = 256;
+ char *tmpstr;
+ char *s;
+ int rc = 0;
+ int len;
+ int ver;
+ int off;
- DECLARE_LL_PROC_PPOS_DECL;
+ CLASSERT(sizeof(loff_t) >= 4);
- num = LNET_PHASH_NUM_GET(*ppos);
- ver = LNET_VERSION_GET(*ppos);
+ off = LNET_PROC_HOFF_GET(*ppos);
+ ver = LNET_PROC_VER_GET(*ppos);
LASSERT (!write);
the_lnet.ln_routing ? "enabled" : "disabled");
LASSERT (tmpstr + tmpsiz - s > 0);
- s += snprintf(s, tmpstr + tmpsiz - s, "%-8s %4s %7s %s\n",
- "net", "hops", "state", "router");
+ s += snprintf(s, tmpstr + tmpsiz - s, "%-8s %4s %8s %7s %s\n",
+ "net", "hops", "priority", "state", "router");
LASSERT (tmpstr + tmpsiz - s > 0);
- LNET_LOCK();
- ver = (unsigned int)the_lnet.ln_remote_nets_version;
- LNET_UNLOCK();
- *ppos = LNET_PHASH_POS_MAKE(ver, 0, num);
- } else {
- cfs_list_t *n;
- cfs_list_t *r;
- lnet_route_t *route = NULL;
- lnet_remotenet_t *rnet = NULL;
- int skip = num - 1;
-
- LNET_LOCK();
-
- if (ver != LNET_VERSION_VALID_MASK(the_lnet.ln_remote_nets_version)) {
- LNET_UNLOCK();
- LIBCFS_FREE(tmpstr, tmpsiz);
- return -ESTALE;
- }
-
- n = the_lnet.ln_remote_nets.next;
-
- while (n != &the_lnet.ln_remote_nets && route == NULL) {
- rnet = cfs_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);
- if (skip == 0) {
- route = re;
- break;
- }
-
- skip--;
- r = r->next;
- }
-
- n = n->next;
- }
+ lnet_net_lock(0);
+ ver = (unsigned int)the_lnet.ln_remote_nets_version;
+ lnet_net_unlock(0);
+ *ppos = LNET_PROC_POS_MAKE(0, ver, 0, off);
+ } else {
+ cfs_list_t *n;
+ cfs_list_t *r;
+ lnet_route_t *route = NULL;
+ lnet_remotenet_t *rnet = NULL;
+ int skip = off - 1;
+ cfs_list_t *rn_list;
+ int i;
+
+ lnet_net_lock(0);
+
+ if (ver != LNET_PROC_VERSION(the_lnet.ln_remote_nets_version)) {
+ lnet_net_unlock(0);
+ LIBCFS_FREE(tmpstr, tmpsiz);
+ return -ESTALE;
+ }
+
+ for (i = 0; i < LNET_REMOTE_NETS_HASH_SIZE && route == NULL;
+ i++) {
+ rn_list = &the_lnet.ln_remote_nets_hash[i];
+
+ n = rn_list->next;
+
+ while (n != rn_list && route == NULL) {
+ rnet = cfs_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);
+ if (skip == 0) {
+ route = re;
+ break;
+ }
+
+ skip--;
+ r = r->next;
+ }
+
+ n = n->next;
+ }
+ }
if (route != NULL) {
- __u32 net = rnet->lrn_net;
- unsigned int hops = route->lr_hops;
- lnet_nid_t nid = route->lr_gateway->lp_nid;
- int alive = route->lr_gateway->lp_alive;
-
- s += snprintf(s, tmpstr + tmpsiz - s, "%-8s %4u %7s %s\n",
- libcfs_net2str(net), hops,
- alive ? "up" : "down", libcfs_nid2str(nid));
- LASSERT (tmpstr + tmpsiz - s > 0);
- }
-
- LNET_UNLOCK();
+ __u32 net = rnet->lrn_net;
+ unsigned int hops = route->lr_hops;
+ unsigned int priority = route->lr_priority;
+ lnet_nid_t nid = route->lr_gateway->lp_nid;
+ int alive = lnet_is_route_alive(route);
+
+ s += snprintf(s, tmpstr + tmpsiz - s,
+ "%-8s %4u %8u %7s %s\n",
+ libcfs_net2str(net), hops,
+ priority,
+ alive ? "up" : "down",
+ libcfs_nid2str(nid));
+ LASSERT(tmpstr + tmpsiz - s > 0);
+ }
+
+ lnet_net_unlock(0);
}
len = s - tmpstr; /* how many bytes was written */
if (len > *lenp) { /* linux-supplied buffer is too small */
rc = -EINVAL;
} else if (len > 0) { /* wrote something */
- if (cfs_copy_to_user(buffer, tmpstr, len))
+ if (copy_to_user(buffer, tmpstr, len))
rc = -EFAULT;
else {
- num += 1;
- *ppos = LNET_PHASH_POS_MAKE(ver, 0, num);
+ off += 1;
+ *ppos = LNET_PROC_POS_MAKE(0, ver, 0, off);
}
}
const int tmpsiz = 256;
int len;
int ver;
- int num;
+ int off;
- DECLARE_LL_PROC_PPOS_DECL;
-
- num = LNET_PHASH_NUM_GET(*ppos);
- ver = LNET_VERSION_GET(*ppos);
+ off = LNET_PROC_HOFF_GET(*ppos);
+ ver = LNET_PROC_VER_GET(*ppos);
LASSERT (!write);
s = tmpstr; /* points to current position in tmpstr[] */
if (*ppos == 0) {
- s += snprintf(s, tmpstr + tmpsiz - s,
- "%-4s %7s %9s %6s %12s %9s %8s %7s %s\n",
- "ref", "rtr_ref", "alive_cnt", "state", "last_ping",
- "ping_sent", "deadline", "down_ni", "router");
- LASSERT (tmpstr + tmpsiz - s > 0);
-
- LNET_LOCK();
- ver = (unsigned int)the_lnet.ln_routers_version;
- LNET_UNLOCK();
- *ppos = LNET_PHASH_POS_MAKE(ver, 0, num);
- } else {
- cfs_list_t *r;
- lnet_peer_t *peer = NULL;
- int skip = num - 1;
-
- LNET_LOCK();
+ s += snprintf(s, tmpstr + tmpsiz - s,
+ "%-4s %7s %9s %6s %12s %9s %8s %7s %s\n",
+ "ref", "rtr_ref", "alive_cnt", "state",
+ "last_ping", "ping_sent", "deadline",
+ "down_ni", "router");
+ LASSERT(tmpstr + tmpsiz - s > 0);
+
+ lnet_net_lock(0);
+ ver = (unsigned int)the_lnet.ln_routers_version;
+ 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;
+
+ lnet_net_lock(0);
+
+ if (ver != LNET_PROC_VERSION(the_lnet.ln_routers_version)) {
+ lnet_net_unlock(0);
- if (ver != LNET_VERSION_VALID_MASK(the_lnet.ln_routers_version)) {
- LNET_UNLOCK();
LIBCFS_FREE(tmpstr, tmpsiz);
return -ESTALE;
}
int pingsent = !peer->lp_ping_notsent;
int last_ping = cfs_duration_sec(cfs_time_sub(now,
peer->lp_ping_timestamp));
- int down_ni = lnet_router_down_ni(peer,
- LNET_NIDNET(LNET_NID_ANY));
+ int down_ni = 0;
+ lnet_route_t *rtr;
+
+ if ((peer->lp_ping_feats &
+ LNET_PING_FEAT_NI_STATUS) != 0) {
+ cfs_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) {
+ down_ni = rtr->lr_downis;
+ break;
+ }
+ }
+ }
if (deadline == 0)
s += snprintf(s, tmpstr + tmpsiz - s,
LASSERT (tmpstr + tmpsiz - s > 0);
}
- LNET_UNLOCK();
+ lnet_net_unlock(0);
}
len = s - tmpstr; /* how many bytes was written */
if (len > *lenp) { /* linux-supplied buffer is too small */
rc = -EINVAL;
} else if (len > 0) { /* wrote something */
- if (cfs_copy_to_user(buffer, tmpstr, len))
+ if (copy_to_user(buffer, tmpstr, len))
rc = -EFAULT;
else {
- num += 1;
- *ppos = LNET_PHASH_POS_MAKE(ver, 0, num);
+ off += 1;
+ *ppos = LNET_PROC_POS_MAKE(0, ver, 0, off);
}
}
int LL_PROC_PROTO(proc_lnet_peers)
{
- int rc = 0;
- char *tmpstr;
- char *s;
- const int tmpsiz = 256;
- int len;
- int ver;
- int idx;
- int num;
-
- DECLARE_LL_PROC_PPOS_DECL;
-
- idx = LNET_PHASH_IDX_GET(*ppos);
- num = LNET_PHASH_NUM_GET(*ppos);
- ver = LNET_VERSION_GET(*ppos);
-
- CLASSERT ((1ULL << LNET_PHASH_BITS) > LNET_PEER_HASHSIZE);
-
- LASSERT (!write);
-
- if (*lenp == 0)
- return 0;
+ const int tmpsiz = 256;
+ struct lnet_peer_table *ptable;
+ char *tmpstr;
+ char *s;
+ int cpt = LNET_PROC_CPT_GET(*ppos);
+ int ver = LNET_PROC_VER_GET(*ppos);
+ int hash = LNET_PROC_HASH_GET(*ppos);
+ int hoff = LNET_PROC_HOFF_GET(*ppos);
+ int rc = 0;
+ int len;
+
+ CLASSERT(LNET_PROC_HASH_BITS >= LNET_PEER_HASH_BITS);
+ LASSERT(!write);
+
+ if (*lenp == 0)
+ return 0;
+
+ if (cpt >= LNET_CPT_NUMBER) {
+ *lenp = 0;
+ return 0;
+ }
LIBCFS_ALLOC(tmpstr, tmpsiz);
if (tmpstr == NULL)
"rtr", "min", "tx", "min", "queue");
LASSERT (tmpstr + tmpsiz - s > 0);
- LNET_LOCK();
- ver = (unsigned int)the_lnet.ln_peertable_version;
- LNET_UNLOCK();
- *ppos = LNET_PHASH_POS_MAKE(ver, idx, num);
-
- num++;
- } else {
- cfs_list_t *p = NULL;
- lnet_peer_t *peer = NULL;
- int skip = num - 1;
-
- LNET_LOCK();
-
- if (ver != LNET_VERSION_VALID_MASK(the_lnet.ln_peertable_version)) {
- LNET_UNLOCK();
- LIBCFS_FREE(tmpstr, tmpsiz);
- return -ESTALE;
- }
-
- while (idx < LNET_PEER_HASHSIZE) {
- if (p == NULL)
- p = the_lnet.ln_peer_hash[idx].next;
-
- while (p != &the_lnet.ln_peer_hash[idx]) {
+ hoff++;
+ } else {
+ struct lnet_peer *peer;
+ cfs_list_t *p;
+ int skip;
+ again:
+ p = NULL;
+ peer = NULL;
+ skip = hoff - 1;
+
+ lnet_net_lock(cpt);
+ ptable = the_lnet.ln_peer_tables[cpt];
+ if (hoff == 1)
+ ver = LNET_PROC_VERSION(ptable->pt_version);
+
+ if (ver != LNET_PROC_VERSION(ptable->pt_version)) {
+ lnet_net_unlock(cpt);
+ LIBCFS_FREE(tmpstr, tmpsiz);
+ return -ESTALE;
+ }
+
+ while (hash < LNET_PEER_HASH_SIZE) {
+ if (p == NULL)
+ 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);
if (skip == 0) {
/* minor optimization: start from idx+1
* on next iteration if we've just
* drained lp_hashlist */
- if (lp->lp_hashlist.next ==
- &the_lnet.ln_peer_hash[idx]) {
- num = 1;
- idx++;
- } else {
- num++;
+ if (lp->lp_hashlist.next ==
+ &ptable->pt_hash[hash]) {
+ hoff = 1;
+ hash++;
+ } else {
+ hoff++;
}
break;
break;
p = NULL;
- num = 1;
- idx++;
+ hoff = 1;
+ hash++;
}
if (peer != NULL) {
lastalive = 9999;
}
+ lnet_net_unlock(cpt);
+
s += snprintf(s, tmpstr + tmpsiz - s,
"%-24s %4d %5s %5d %5d %5d %5d %5d %5d %d\n",
libcfs_nid2str(nid), nrefs, aliveness,
lastalive, maxcr, rtrcr, minrtrcr, txcr,
mintxcr, txqnob);
LASSERT (tmpstr + tmpsiz - s > 0);
- }
- LNET_UNLOCK();
+ } else { /* peer is NULL */
+ lnet_net_unlock(cpt);
+ }
+
+ if (hash == LNET_PEER_HASH_SIZE) {
+ cpt++;
+ hash = 0;
+ hoff = 1;
+ if (peer == NULL && cpt < LNET_CPT_NUMBER)
+ goto again;
+ }
}
len = s - tmpstr; /* how many bytes was written */
if (len > *lenp) { /* linux-supplied buffer is too small */
rc = -EINVAL;
} else if (len > 0) { /* wrote something */
- if (cfs_copy_to_user(buffer, tmpstr, len))
+ if (copy_to_user(buffer, tmpstr, len))
rc = -EFAULT;
else
- *ppos = LNET_PHASH_POS_MAKE(ver, idx, num);
+ *ppos = LNET_PROC_POS_MAKE(cpt, ver, hash, hoff);
}
LIBCFS_FREE(tmpstr, tmpsiz);
static int __proc_lnet_buffers(void *data, int write,
loff_t pos, void *buffer, int nob)
{
-
- int rc;
- int len;
- char *s;
- char *tmpstr;
- const int tmpsiz = 64 * (LNET_NRBPOOLS + 1); /* (4 %d) * 4 */
- int idx;
-
- LASSERT (!write);
-
+ char *s;
+ char *tmpstr;
+ int tmpsiz;
+ int idx;
+ int len;
+ int rc;
+ int i;
+
+ LASSERT(!write);
+
+ /* (4 %d) * 4 * LNET_CPT_NUMBER */
+ tmpsiz = 64 * (LNET_NRBPOOLS + 1) * LNET_CPT_NUMBER;
LIBCFS_ALLOC(tmpstr, tmpsiz);
if (tmpstr == NULL)
return -ENOMEM;
"pages", "count", "credits", "min");
LASSERT (tmpstr + tmpsiz - s > 0);
- LNET_LOCK();
-
- for (idx = 0; idx < LNET_NRBPOOLS; idx++) {
- lnet_rtrbufpool_t *rbp = &the_lnet.ln_rtrpools[idx];
-
- int npages = rbp->rbp_npages;
- int nbuf = rbp->rbp_nbuffers;
- int cr = rbp->rbp_credits;
- int mincr = rbp->rbp_mincredits;
-
- s += snprintf(s, tmpstr + tmpsiz - s,
- "%5d %5d %7d %7d\n",
- npages, nbuf, cr, mincr);
- LASSERT (tmpstr + tmpsiz - s > 0);
- }
-
- LNET_UNLOCK();
-
+ if (the_lnet.ln_rtrpools == NULL)
+ goto out; /* I'm not a router */
+
+ for (idx = 0; idx < LNET_NRBPOOLS; idx++) {
+ lnet_rtrbufpool_t *rbp;
+
+ lnet_net_lock(LNET_LOCK_EX);
+ cfs_percpt_for_each(rbp, i, the_lnet.ln_rtrpools) {
+ s += snprintf(s, tmpstr + tmpsiz - s,
+ "%5d %5d %7d %7d\n",
+ rbp[idx].rbp_npages,
+ rbp[idx].rbp_nbuffers,
+ rbp[idx].rbp_credits,
+ rbp[idx].rbp_mincredits);
+ LASSERT(tmpstr + tmpsiz - s > 0);
+ }
+ lnet_net_unlock(LNET_LOCK_EX);
+ }
+
+ out:
len = s - tmpstr;
if (pos >= min_t(int, len, strlen(tmpstr)))
int LL_PROC_PROTO(proc_lnet_nis)
{
+ int tmpsiz = 128 * LNET_CPT_NUMBER;
int rc = 0;
char *tmpstr;
char *s;
- const int tmpsiz = 256;
int len;
- DECLARE_LL_PROC_PPOS_DECL;
-
LASSERT (!write);
if (*lenp == 0)
lnet_ni_t *ni = NULL;
int skip = *ppos - 1;
- LNET_LOCK();
+ lnet_net_lock(0);
n = the_lnet.ln_nis.next;
}
if (ni != NULL) {
- cfs_time_t now = cfs_time_current();
- int last_alive = -1;
- int maxtxcr = ni->ni_maxtxcredits;
- int txcr = ni->ni_txcredits;
- int mintxcr = ni->ni_mintxcredits;
- int npeertxcr = ni->ni_peertxcredits;
- int npeerrtrcr = ni->ni_peerrtrcredits;
- lnet_nid_t nid = ni->ni_nid;
- int nref = ni->ni_refcount;
- char *stat;
-
- if (the_lnet.ln_routing)
- last_alive = cfs_duration_sec(cfs_time_sub(now,
- ni->ni_last_alive));
- if (ni->ni_lnd->lnd_type == LOLND) /* @lo forever alive */
- last_alive = 0;
-
- LASSERT (ni->ni_status != NULL);
- stat = (ni->ni_status->ns_status == LNET_NI_STATUS_UP) ?
- "up" : "down";
-
- s += snprintf(s, tmpstr + tmpsiz - s,
- "%-24s %6s %5d %4d %4d %4d %5d %5d %5d\n",
- libcfs_nid2str(nid), stat, last_alive, nref,
- npeertxcr, npeerrtrcr, maxtxcr,
- txcr, mintxcr);
- LASSERT (tmpstr + tmpsiz - s > 0);
- }
-
- LNET_UNLOCK();
+ struct lnet_tx_queue *tq;
+ char *stat;
+ long now = cfs_time_current_sec();
+ int last_alive = -1;
+ int i;
+ int j;
+
+ if (the_lnet.ln_routing)
+ last_alive = now - ni->ni_last_alive;
+
+ /* @lo forever alive */
+ if (ni->ni_lnd->lnd_type == LOLND)
+ last_alive = 0;
+
+ lnet_ni_lock(ni);
+ LASSERT(ni->ni_status != NULL);
+ stat = (ni->ni_status->ns_status ==
+ LNET_NI_STATUS_UP) ? "up" : "down";
+ lnet_ni_unlock(ni);
+
+ /* we actually output credits information for
+ * TX queue of each partition */
+ cfs_percpt_for_each(tq, i, ni->ni_tx_queues) {
+ for (j = 0; ni->ni_cpts != NULL &&
+ j < ni->ni_ncpts; j++) {
+ if (i == ni->ni_cpts[j])
+ break;
+ }
+
+ if (j == ni->ni_ncpts)
+ continue;
+
+ if (i != 0)
+ lnet_net_lock(i);
+
+ s += snprintf(s, tmpstr + tmpsiz - s,
+ "%-24s %6s %5d %4d %4d %4d %5d %5d %5d\n",
+ libcfs_nid2str(ni->ni_nid), stat,
+ last_alive, *ni->ni_refs[i],
+ ni->ni_peertxcredits,
+ ni->ni_peerrtrcredits,
+ tq->tq_credits_max,
+ tq->tq_credits, tq->tq_credits_min);
+ if (i != 0)
+ lnet_net_unlock(i);
+ }
+ LASSERT(tmpstr + tmpsiz - s > 0);
+ }
+
+ lnet_net_unlock(0);
}
len = s - tmpstr; /* how many bytes was written */
if (len > *lenp) { /* linux-supplied buffer is too small */
rc = -EINVAL;
} else if (len > 0) { /* wrote something */
- if (cfs_copy_to_user(buffer, tmpstr, len))
+ if (copy_to_user(buffer, tmpstr, len))
rc = -EFAULT;
else
*ppos += 1;
return rc;
}
-static cfs_sysctl_table_t lnet_table[] = {
+struct lnet_portal_rotors {
+ int pr_value;
+ const char *pr_name;
+ const char *pr_desc;
+};
+
+static struct lnet_portal_rotors portal_rotors[] = {
+ {
+ .pr_value = LNET_PTL_ROTOR_OFF,
+ .pr_name = "OFF",
+ .pr_desc = "Turn off message rotor for wildcard portals"
+ },
+ {
+ .pr_value = LNET_PTL_ROTOR_ON,
+ .pr_name = "ON",
+ .pr_desc = "round-robin dispatch all PUT messages for "
+ "wildcard portals"
+ },
+ {
+ .pr_value = LNET_PTL_ROTOR_RR_RT,
+ .pr_name = "RR_RT",
+ .pr_desc = "round-robin dispatch routed PUT message for "
+ "wildcard portals"
+ },
+ {
+ .pr_value = LNET_PTL_ROTOR_HASH_RT,
+ .pr_name = "HASH_RT",
+ .pr_desc = "dispatch routed PUT message by hashing source "
+ "NID for wildcard portals"
+ },
+ {
+ .pr_value = -1,
+ .pr_name = NULL,
+ .pr_desc = NULL
+ },
+};
+
+extern int portal_rotor;
+
+static int __proc_lnet_portal_rotor(void *data, int write,
+ loff_t pos, void *buffer, int nob)
+{
+ const int buf_len = 128;
+ char *buf;
+ char *tmp;
+ int rc;
+ int i;
+
+ LIBCFS_ALLOC(buf, buf_len);
+ if (buf == NULL)
+ return -ENOMEM;
+
+ if (!write) {
+ lnet_res_lock(0);
+
+ for (i = 0; portal_rotors[i].pr_value >= 0; i++) {
+ if (portal_rotors[i].pr_value == portal_rotor)
+ break;
+ }
+
+ LASSERT(portal_rotors[i].pr_value == portal_rotor);
+ lnet_res_unlock(0);
+
+ rc = snprintf(buf, buf_len,
+ "{\n\tportals: all\n"
+ "\trotor: %s\n\tdescription: %s\n}",
+ portal_rotors[i].pr_name,
+ portal_rotors[i].pr_desc);
+
+ if (pos >= min_t(int, rc, buf_len)) {
+ rc = 0;
+ } else {
+ rc = cfs_trace_copyout_string(buffer, nob,
+ buf + pos, "\n");
+ }
+ goto out;
+ }
+
+ rc = cfs_trace_copyin_string(buf, buf_len, buffer, nob);
+ if (rc < 0)
+ goto out;
+
+ tmp = cfs_trimwhite(buf);
+
+ 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) {
+ portal_rotor = portal_rotors[i].pr_value;
+ rc = 0;
+ break;
+ }
+ }
+ lnet_res_unlock(0);
+out:
+ LIBCFS_FREE(buf, buf_len);
+ return rc;
+}
+DECLARE_PROC_HANDLER(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.
.proc_handler = &proc_lnet_nis,
},
{
- INIT_CTL_NAME(0)
- }
+ INIT_CTL_NAME(PSDEV_LNET_PTL_ROTOR)
+ .procname = "portal_rotor",
+ .mode = 0644,
+ .proc_handler = &proc_lnet_portal_rotor,
+ },
+ {
+ INIT_CTL_NAME(0)
+ }
};
-static cfs_sysctl_table_t top_table[] = {
+static struct ctl_table top_table[] = {
{
INIT_CTL_NAME(CTL_LNET)
.procname = "lnet",
lnet_proc_init(void)
{
#ifdef CONFIG_SYSCTL
- if (lnet_table_header == NULL)
- lnet_table_header = cfs_register_sysctl_table(top_table, 0);
+ if (lnet_table_header == NULL)
+ lnet_table_header = register_sysctl_table(top_table);
#endif
}
lnet_proc_fini(void)
{
#ifdef CONFIG_SYSCTL
- if (lnet_table_header != NULL)
- cfs_unregister_sysctl_table(lnet_table_header);
+ if (lnet_table_header != NULL)
+ unregister_sysctl_table(lnet_table_header);
- lnet_table_header = NULL;
+ lnet_table_header = NULL;
#endif
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff