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LU-13004 gnilnd: remove support for GNILND_BUF_VIRT_*
[fs/lustre-release.git] / lnet / klnds / gnilnd / gnilnd_proc.c
index c0394dc..a833026 100644 (file)
@@ -1,7 +1,10 @@
 /*
- * Copyright (C) 2009-2012 Cray, Inc.
+ * Copyright (C) 2009-2012, 2016 Cray, Inc.
+ *
+ * Copyright (c) 2013, 2015, Intel Corporation.
  *
  *   Author: Nic Henke <nic@cray.com>
+ *   Author: James Shimek <jshimek@cray.com>
  *
  *   This file is part of Lustre, http://www.lustre.org.
  *
@@ -24,6 +27,7 @@
 #define DEBUG_SUBSYSTEM S_LND
 #include "gnilnd.h"
 #include <linux/seq_file.h>
+#include <lprocfs_status.h>
 
 #define GNILND_PROC_STATS       "stats"
 #define GNILND_PROC_MDD         "mdd"
@@ -36,7 +40,7 @@
 static int
 _kgnilnd_proc_run_cksum_test(int caseno, int nloops, int nob)
 {
-       lnet_kiov_t              *src, *dest;
+       struct bio_vec          *src, *dest;
        struct timespec          begin, end, diff;
        int                      niov;
        int                      rc = 0;
@@ -44,8 +48,8 @@ _kgnilnd_proc_run_cksum_test(int caseno, int nloops, int nob)
        __u16                    cksum, cksum2;
        __u64                    mbytes;
 
-       LIBCFS_ALLOC(src, LNET_MAX_IOV * sizeof(lnet_kiov_t));
-       LIBCFS_ALLOC(dest, LNET_MAX_IOV * sizeof(lnet_kiov_t));
+       CFS_ALLOC_PTR_ARRAY(src, LNET_MAX_IOV);
+       CFS_ALLOC_PTR_ARRAY(dest, LNET_MAX_IOV);
 
        if (src == NULL || dest == NULL) {
                CERROR("couldn't allocate iovs\n");
@@ -53,20 +57,20 @@ _kgnilnd_proc_run_cksum_test(int caseno, int nloops, int nob)
        }
 
        for (i = 0; i < LNET_MAX_IOV; i++) {
-               src[i].kiov_offset = 0;
-               src[i].kiov_len = PAGE_SIZE;
-               src[i].kiov_page = alloc_page(__GFP_IO | __GFP_FS | __GFP_ZERO);
+               src[i].bv_offset = 0;
+               src[i].bv_len = PAGE_SIZE;
+               src[i].bv_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
 
-               if (src[i].kiov_page == NULL) {
+               if (src[i].bv_page == NULL) {
                        CERROR("couldn't allocate page %d\n", i);
                        GOTO(unwind, rc = -ENOMEM);
                }
 
-               dest[i].kiov_offset = 0;
-               dest[i].kiov_len = PAGE_SIZE;
-               dest[i].kiov_page = alloc_page(__GFP_IO | __GFP_FS | __GFP_ZERO);
+               dest[i].bv_offset = 0;
+               dest[i].bv_len = PAGE_SIZE;
+               dest[i].bv_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
 
-               if (dest[i].kiov_page == NULL) {
+               if (dest[i].bv_page == NULL) {
                        CERROR("couldn't allocate page %d\n", i);
                        GOTO(unwind, rc = -ENOMEM);
                }
@@ -81,31 +85,31 @@ _kgnilnd_proc_run_cksum_test(int caseno, int nloops, int nob)
        }
 
        /* setup real data */
-       src[0].kiov_offset = 317;
-       dest[0].kiov_offset = 592;
+       src[0].bv_offset = 317;
+       dest[0].bv_offset = 592;
        switch (caseno) {
        default:
                /* odd -> even */
                break;
        case 1:
                /* odd -> odd */
-               dest[0].kiov_offset -= 1;
+               dest[0].bv_offset -= 1;
                break;
        case 2:
                /* even -> even */
-               src[0].kiov_offset += 1;
+               src[0].bv_offset += 1;
                break;
        case 3:
                /* even -> odd */
-               src[0].kiov_offset += 1;
-               dest[0].kiov_offset -= 1;
+               src[0].bv_offset += 1;
+               dest[0].bv_offset -= 1;
        }
-       src[0].kiov_len = PAGE_SIZE - src[0].kiov_offset;
-       dest[0].kiov_len = PAGE_SIZE - dest[0].kiov_offset;
+       src[0].bv_len = PAGE_SIZE - src[0].bv_offset;
+       dest[0].bv_len = PAGE_SIZE - dest[0].bv_offset;
 
        for (i = 0; i < niov; i++) {
-               memset(page_address(src[i].kiov_page) + src[i].kiov_offset,
-                      0xf0 + i, src[i].kiov_len);
+               memset(page_address(src[i].bv_page) + src[i].bv_offset,
+                      0xf0 + i, src[i].bv_len);
        }
 
        lnet_copy_kiov2kiov(niov, dest, 0, niov, src, 0, nob);
@@ -113,8 +117,10 @@ _kgnilnd_proc_run_cksum_test(int caseno, int nloops, int nob)
        getnstimeofday(&begin);
 
        for (n = 0; n < nloops; n++) {
-               CDEBUG(D_BUFFS, "case %d loop %d src %d dest %d nob %d niov %d\n",
-                      caseno, n, src[0].kiov_offset, dest[0].kiov_offset, nob, niov);
+               CDEBUG(D_BUFFS,
+                      "case %d loop %d src %d dest %d nob %d niov %d\n",
+                      caseno, n, src[0].bv_offset, dest[0].bv_offset, nob,
+                      niov);
                cksum = kgnilnd_cksum_kiov(niov, src, 0, nob - (n % nob), 1);
                cksum2 = kgnilnd_cksum_kiov(niov, dest, 0, nob - (n % nob), 1);
 
@@ -131,30 +137,29 @@ _kgnilnd_proc_run_cksum_test(int caseno, int nloops, int nob)
 
        diff = kgnilnd_ts_sub(end, begin);
 
-       LCONSOLE_INFO("running "LPD64"MB took %ld.%ld seconds\n",
+       LCONSOLE_INFO("running %lldMB took %ld.%ld seconds\n",
                      mbytes, diff.tv_sec, diff.tv_nsec);
 
 unwind:
        CDEBUG(D_NET, "freeing %d pages\n", i);
        for (i -= 1; i >= 0; i--) {
-               if (src[i].kiov_page != NULL) {
-                       __free_page(src[i].kiov_page);
-               }
-               if (dest[i].kiov_page != NULL) {
-                       __free_page(dest[i].kiov_page);
-               }
+               if (src[i].bv_page)
+                       __free_page(src[i].bv_page);
+
+               if (dest[i].bv_page)
+                       __free_page(dest[i].bv_page);
        }
 
        if (src != NULL)
-               LIBCFS_FREE(src, LNET_MAX_IOV * sizeof(lnet_kiov_t));
+               CFS_FREE_PTR_ARRAY(src, LNET_MAX_IOV);
        if (dest != NULL)
-               LIBCFS_FREE(dest, LNET_MAX_IOV * sizeof(lnet_kiov_t));
+               CFS_FREE_PTR_ARRAY(dest, LNET_MAX_IOV);
        return rc;
 }
 
-static int
-kgnilnd_proc_cksum_test_write(struct file *file, const char *ubuffer,
-                             unsigned long count, void *data)
+static ssize_t
+kgnilnd_proc_cksum_test_write(struct file *file, const char __user *ubuffer,
+                             size_t count, loff_t *ppos)
 {
        char                    dummy[256 + 1] = { '\0' };
        int                     testno, nloops, nbytes;
@@ -185,17 +190,28 @@ kgnilnd_proc_cksum_test_write(struct file *file, const char *ubuffer,
 }
 
 static int
-kgnilnd_proc_stats_read(char *page, char **start, off_t off,
-                            int count, int *eof, void *data)
+kgnilnd_cksum_test_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, NULL, PDE_DATA(inode));
+}
+
+static const struct file_operations kgn_cksum_test_fops = {
+       .owner   = THIS_MODULE,
+       .open    = kgnilnd_cksum_test_seq_open,
+       .write   = kgnilnd_proc_cksum_test_write,
+       .llseek  = seq_lseek,
+       .release = seq_release,
+};
+
+static int
+kgnilnd_stats_seq_show(struct seq_file *sf, void *v)
 {
        kgn_device_t           *dev;
        struct timeval          now;
-       int                     rc;
 
        if (kgnilnd_data.kgn_init < GNILND_INIT_ALL) {
-               rc = sprintf(page,
-                       "kgnilnd is not initialized yet\n");
-               return rc;
+               seq_printf(sf, "kgnilnd is not initialized yet\n");
+               return 0;
        }
 
        /* only do the first device */
@@ -205,82 +221,85 @@ kgnilnd_proc_stats_read(char *page, char **start, off_t off,
        smp_rmb();
        do_gettimeofday(&now);
 
-       rc = sprintf(page, "time: %lu.%lu\n"
-                          "ntx: %d\n"
-                          "npeers: %d\n"
-                          "nconns: %d\n"
-                          "nEPs: %d\n"
-                          "ndgrams: %d\n"
-                          "nfmablk: %d\n"
-                          "n_mdd: %d\n"
-                          "n_mdd_held: %d\n"
-                          "n_eager_allocs: %d\n"
-                          "GART map bytes: %ld\n"
-                          "TX queued maps: %d\n"
-                          "TX phys nmaps: %d\n"
-                          "TX phys bytes: %lu\n"
-                          "TX virt nmaps: %d\n"
-                          "TX virt bytes: "LPU64"\n"
-                          "RDMAQ bytes_auth: %ld\n"
-                          "RDMAQ bytes_left: %ld\n"
-                          "RDMAQ nstalls: %d\n"
-                          "dev mutex delay: %ld\n"
-                          "dev n_yield: %d\n"
-                          "dev n_schedule: %d\n"
-                          "SMSG fast_try: %d\n"
-                          "SMSG fast_ok: %d\n"
-                          "SMSG fast_block: %d\n"
-                          "SMSG ntx: %d\n"
-                          "SMSG tx_bytes: %ld\n"
-                          "SMSG nrx: %d\n"
-                          "SMSG rx_bytes: %ld\n"
-                          "RDMA ntx: %d\n"
-                          "RDMA tx_bytes: %ld\n"
-                          "RDMA nrx: %d\n"
-                          "RDMA rx_bytes: %ld\n"
-                          "VMAP short: %d\n"
-                          "VMAP cksum: %d\n"
-                          "KMAP short: %d\n"
-                          "RDMA REV length: %d\n"
-                          "RDMA REV offset: %d\n"
-                          "RDMA REV copy: %d\n",
-               now.tv_sec, now.tv_usec,
-               atomic_read(&kgnilnd_data.kgn_ntx),
-               atomic_read(&kgnilnd_data.kgn_npeers),
-               atomic_read(&kgnilnd_data.kgn_nconns),
-               atomic_read(&dev->gnd_neps),
-               atomic_read(&dev->gnd_ndgrams),
-               atomic_read(&dev->gnd_nfmablk),
-               atomic_read(&dev->gnd_n_mdd), atomic_read(&dev->gnd_n_mdd_held),
-               atomic_read(&kgnilnd_data.kgn_neager_allocs),
-               atomic64_read(&dev->gnd_nbytes_map),
-               atomic_read(&dev->gnd_nq_map),
-               dev->gnd_map_nphys, dev->gnd_map_physnop * PAGE_SIZE,
-               dev->gnd_map_nvirt, dev->gnd_map_virtnob,
-               atomic64_read(&dev->gnd_rdmaq_bytes_out),
-               atomic64_read(&dev->gnd_rdmaq_bytes_ok),
-               atomic_read(&dev->gnd_rdmaq_nstalls),
-               dev->gnd_mutex_delay,
-               atomic_read(&dev->gnd_n_yield), atomic_read(&dev->gnd_n_schedule),
-               atomic_read(&dev->gnd_fast_try), atomic_read(&dev->gnd_fast_ok),
-               atomic_read(&dev->gnd_fast_block),
-               atomic_read(&dev->gnd_short_ntx), atomic64_read(&dev->gnd_short_txbytes),
-               atomic_read(&dev->gnd_short_nrx), atomic64_read(&dev->gnd_short_rxbytes),
-               atomic_read(&dev->gnd_rdma_ntx), atomic64_read(&dev->gnd_rdma_txbytes),
-               atomic_read(&dev->gnd_rdma_nrx), atomic64_read(&dev->gnd_rdma_rxbytes),
-               atomic_read(&kgnilnd_data.kgn_nvmap_short),
-               atomic_read(&kgnilnd_data.kgn_nvmap_cksum),
-               atomic_read(&kgnilnd_data.kgn_nkmap_short),
-               atomic_read(&kgnilnd_data.kgn_rev_length),
-               atomic_read(&kgnilnd_data.kgn_rev_offset),
-               atomic_read(&kgnilnd_data.kgn_rev_copy_buff));
+       seq_printf(sf, "time: %lu.%lu\n"
+                  "ntx: %d\n"
+                  "npeers: %d\n"
+                  "nconns: %d\n"
+                  "nEPs: %d\n"
+                  "ndgrams: %d\n"
+                  "nfmablk: %d\n"
+                  "n_mdd: %d\n"
+                  "n_mdd_held: %d\n"
+                  "n_eager_allocs: %d\n"
+                  "GART map bytes: %ld\n"
+                  "TX queued maps: %d\n"
+                  "TX phys nmaps: %d\n"
+                  "TX phys bytes: %lu\n"
+                  "RDMAQ bytes_auth: %ld\n"
+                  "RDMAQ bytes_left: %ld\n"
+                  "RDMAQ nstalls: %d\n"
+                  "dev mutex delay: %ld\n"
+                  "dev n_yield: %d\n"
+                  "dev n_schedule: %d\n"
+                  "SMSG fast_try: %d\n"
+                  "SMSG fast_ok: %d\n"
+                  "SMSG fast_block: %d\n"
+                  "SMSG ntx: %u\n"
+                  "SMSG tx_bytes: %lu\n"
+                  "SMSG nrx: %u\n"
+                  "SMSG rx_bytes: %lu\n"
+                  "RDMA ntx: %u\n"
+                  "RDMA tx_bytes: %lu\n"
+                  "RDMA nrx: %u\n"
+                  "RDMA rx_bytes: %lu\n"
+                  "VMAP short: %d\n"
+                  "VMAP cksum: %d\n"
+                  "KMAP short: %d\n"
+                  "RDMA REV length: %d\n"
+                  "RDMA REV offset: %d\n"
+                  "RDMA REV copy: %d\n",
+                  now.tv_sec, now.tv_usec,
+                  atomic_read(&kgnilnd_data.kgn_ntx),
+                  atomic_read(&kgnilnd_data.kgn_npeers),
+                  atomic_read(&kgnilnd_data.kgn_nconns),
+                  atomic_read(&dev->gnd_neps),
+                  atomic_read(&dev->gnd_ndgrams),
+                  atomic_read(&dev->gnd_nfmablk),
+                  atomic_read(&dev->gnd_n_mdd), atomic_read(&dev->gnd_n_mdd_held),
+                  atomic_read(&kgnilnd_data.kgn_neager_allocs),
+                  atomic64_read(&dev->gnd_nbytes_map),
+                  atomic_read(&dev->gnd_nq_map),
+                  dev->gnd_map_nphys, dev->gnd_map_physnop * PAGE_SIZE,
+                  atomic64_read(&dev->gnd_rdmaq_bytes_out),
+                  atomic64_read(&dev->gnd_rdmaq_bytes_ok),
+                  atomic_read(&dev->gnd_rdmaq_nstalls),
+                  dev->gnd_mutex_delay,
+                  atomic_read(&dev->gnd_n_yield),
+                  atomic_read(&dev->gnd_n_schedule),
+                  atomic_read(&dev->gnd_fast_try),
+                  atomic_read(&dev->gnd_fast_ok),
+                  atomic_read(&dev->gnd_fast_block),
+                  atomic_read(&dev->gnd_short_ntx),
+                  atomic64_read(&dev->gnd_short_txbytes),
+                  atomic_read(&dev->gnd_short_nrx),
+                  atomic64_read(&dev->gnd_short_rxbytes),
+                  atomic_read(&dev->gnd_rdma_ntx),
+                  atomic64_read(&dev->gnd_rdma_txbytes),
+                  atomic_read(&dev->gnd_rdma_nrx),
+                  atomic64_read(&dev->gnd_rdma_rxbytes),
+                  atomic_read(&kgnilnd_data.kgn_nvmap_short),
+                  atomic_read(&kgnilnd_data.kgn_nvmap_cksum),
+                  atomic_read(&kgnilnd_data.kgn_nkmap_short),
+                  atomic_read(&kgnilnd_data.kgn_rev_length),
+                  atomic_read(&kgnilnd_data.kgn_rev_offset),
+                  atomic_read(&kgnilnd_data.kgn_rev_copy_buff));
 
-       return rc;
+       return 0;
 }
 
-static int
-kgnilnd_proc_stats_write(struct file *file, const char *ubuffer,
-                    unsigned long count, void *data)
+static ssize_t
+kgnilnd_proc_stats_write(struct file *file, const char __user *ubuffer,
+                        size_t count, loff_t *ppos)
 {
        kgn_device_t           *dev;
 
@@ -315,6 +334,21 @@ kgnilnd_proc_stats_write(struct file *file, const char *ubuffer,
        return count;
 }
 
+static int
+kgnilnd_stats_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, kgnilnd_stats_seq_show, PDE_DATA(inode));
+}
+
+static const struct file_operations kgn_stats_fops = {
+       .owner   = THIS_MODULE,
+       .open    = kgnilnd_stats_seq_open,
+       .read    = seq_read,
+       .write   = kgnilnd_proc_stats_write,
+       .llseek  = seq_lseek,
+       .release = seq_release,
+};
+
 typedef struct {
        kgn_device_t           *gmdd_dev;
        kgn_tx_t               *gmdd_tx;
@@ -458,7 +492,7 @@ kgnilnd_mdd_seq_show(struct seq_file *s, void *iter)
        hndl.qword1 = tx->tx_map_key.qword1;
        hndl.qword2 = tx->tx_map_key.qword2;
 
-       seq_printf(s, "%p %x %16"LPF64"u %8d %#8x "LPX64"."LPX64"x\n",
+       seq_printf(s, "%p %x %16llu %8d %#8x %#llx.%#llxx\n",
                tx, id, nob, physnop, buftype,
                hndl.qword1, hndl.qword2);
 
@@ -664,7 +698,7 @@ kgnilnd_smsg_seq_show(struct seq_file *s, void *iter)
        spin_unlock(&dev->gnd_fmablk_lock);
 
        if (live) {
-               seq_printf(s, "%5d %4s %6d/%5d/%5d %9d %18p   "LPX64"."LPX64"\n",
+               seq_printf(s, "%5d %4s %6d/%5d/%5d %9d %18p   %#llx.%#llx\n",
                           (int) gseq->gsmsg_off, kgnilnd_fmablk_state2str(state),
                           avail_mboxs, held_mboxs, num_mboxs, blk_size,
                           fmablk, hndl.qword1, hndl.qword2);
@@ -689,14 +723,13 @@ static struct seq_operations kgn_smsg_sops = {
 static int
 kgnilnd_smsg_seq_open(struct inode *inode, struct file *file)
 {
-       struct proc_dir_entry *dp = PDE(inode);
        struct seq_file       *sf;
        int                    rc;
 
        rc = seq_open(file, &kgn_smsg_sops);
        if (rc == 0) {
                sf = file->private_data;
-               sf->private = dp->data;
+               sf->private = PDE_DATA(inode);
        }
 
        return rc;
@@ -873,16 +906,16 @@ kgnilnd_conn_seq_show(struct seq_file *s, void *iter)
                "rx sq %u %dms/%dms "
                "noop r/s %d/%d w/s/cq %lds/%lds/%lds "
                "sched a/d %lds/%lds "
-               "tx_re "LPD64" TO %ds %s\n",
+               "tx_re %lld TO %ds %s\n",
                conn, peer ? libcfs_nid2str(peer->gnp_nid) : "<?>",
                atomic_read(&conn->gnc_refcount),
                kgnilnd_count_list(&conn->gnc_fmaq),
                atomic_read(&conn->gnc_nlive_fma),
                atomic_read(&conn->gnc_nlive_rdma),
-               conn->gnc_tx_seq,
+               atomic_read(&conn->gnc_tx_seq),
                jiffies_to_msecs(jiffies - conn->gnc_last_tx),
                jiffies_to_msecs(jiffies - conn->gnc_last_tx_cq),
-               conn->gnc_rx_seq,
+               atomic_read(&conn->gnc_rx_seq),
                jiffies_to_msecs(jiffies - conn->gnc_last_rx),
                jiffies_to_msecs(jiffies - conn->gnc_last_rx_cq),
                atomic_read(&conn->gnc_reaper_noop),
@@ -913,9 +946,9 @@ static struct seq_operations kgn_conn_sops = {
 #define KGN_DEBUG_PEER_NID_DEFAULT -1
 static int kgnilnd_debug_peer_nid = KGN_DEBUG_PEER_NID_DEFAULT;
 
-static int
-kgnilnd_proc_peer_conns_write(struct file *file, const char *ubuffer,
-                             unsigned long count, void *data)
+static ssize_t
+kgnilnd_proc_peer_conns_write(struct file *file, const char __user *ubuffer,
+                             size_t count, loff_t *ppos)
 {
        char dummy[8];
        int  rc;
@@ -957,20 +990,17 @@ kgnilnd_proc_peer_conns_write(struct file *file, const char *ubuffer,
 */
 
 static int
-kgnilnd_proc_peer_conns_read(char *page, char **start, off_t off,
-                            int count, int *eof, void *data)
+kgnilnd_proc_peer_conns_seq_show(struct seq_file *sf, void *v)
 {
        kgn_peer_t      *peer;
        kgn_conn_t      *conn;
        struct tm       ctm;
        struct timespec now;
        unsigned long   jifs;
-       int             len = 0;
-       int             rc;
 
        if (kgnilnd_debug_peer_nid == KGN_DEBUG_PEER_NID_DEFAULT) {
-               rc = sprintf(page, "peer_conns not initialized\n");
-               return rc;
+               seq_printf(sf, "peer_conns not initialized\n");
+               return 0;
        }
 
        /* sample date/time stamp - print time in UTC
@@ -984,60 +1014,75 @@ kgnilnd_proc_peer_conns_read(char *page, char **start, off_t off,
        peer = kgnilnd_find_peer_locked(kgnilnd_debug_peer_nid);
 
        if (peer == NULL) {
-               rc = sprintf(page, "peer not found for this nid %d\n",
+               seq_printf(sf, "peer not found for this nid %d\n",
                             kgnilnd_debug_peer_nid);
                write_unlock(&kgnilnd_data.kgn_peer_conn_lock);
-               return rc;
+               return 0;
        }
 
        list_for_each_entry(conn, &peer->gnp_conns, gnc_list) {
-               len += scnprintf(page, count - len,
-                       "%04ld-%02d-%02dT%02d:%02d:%02d.%06ld %s "
-                       "mbox adr %p "
-                       "dg type %s "
-                       "%s "
-                       "purg %d "
-                       "close s/r %d/%d "
-                       "err %d peer err %d "
-                       "tx sq %u %dms/%dms "
-                       "rx sq %u %dms/%dms/%dms "
-                       "tx retran %lld\n",
-                       ctm.tm_year+1900, ctm.tm_mon+1, ctm.tm_mday,
-                       ctm.tm_hour, ctm.tm_min, ctm.tm_sec, now.tv_nsec,
-                       libcfs_nid2str(peer->gnp_nid),
-                       conn->remote_mbox_addr,
-                       kgnilnd_conn_dgram_type2str(conn->gnc_dgram_type),
-                       kgnilnd_conn_state2str(conn),
-                       conn->gnc_in_purgatory,
-                       conn->gnc_close_sent,
-                       conn->gnc_close_recvd,
-                       conn->gnc_error,
-                       conn->gnc_peer_error,
-                       conn->gnc_tx_seq,
-                       jiffies_to_msecs(jifs - conn->gnc_last_tx),
-                       jiffies_to_msecs(jifs - conn->gnc_last_tx_cq),
-                       conn->gnc_rx_seq,
-                       jiffies_to_msecs(jifs - conn->gnc_first_rx),
-                       jiffies_to_msecs(jifs - conn->gnc_last_rx),
-                       jiffies_to_msecs(jifs - conn->gnc_last_rx_cq),
-                       conn->gnc_tx_retrans);
+               seq_printf(sf,
+                          "%04ld-%02d-%02dT%02d:%02d:%02d.%06ld %s "
+                          "mbox adr %p "
+                          "dg type %s "
+                          "%s "
+                          "purg %d "
+                          "close s/r %d/%d "
+                          "err %d peer err %d "
+                          "tx sq %u %dms/%dms "
+                          "rx sq %u %dms/%dms/%dms "
+                          "tx retran %lld\n",
+                          ctm.tm_year+1900, ctm.tm_mon+1, ctm.tm_mday,
+                          ctm.tm_hour, ctm.tm_min, ctm.tm_sec, now.tv_nsec,
+                          libcfs_nid2str(peer->gnp_nid),
+                          conn->remote_mbox_addr,
+                          kgnilnd_conn_dgram_type2str(conn->gnc_dgram_type),
+                          kgnilnd_conn_state2str(conn),
+                          conn->gnc_in_purgatory,
+                          conn->gnc_close_sent,
+                          conn->gnc_close_recvd,
+                          conn->gnc_error,
+                          conn->gnc_peer_error,
+                          atomic_read(&conn->gnc_tx_seq),
+                          jiffies_to_msecs(jifs - conn->gnc_last_tx),
+                          jiffies_to_msecs(jifs - conn->gnc_last_tx_cq),
+                          atomic_read(&conn->gnc_rx_seq),
+                          jiffies_to_msecs(jifs - conn->gnc_first_rx),
+                          jiffies_to_msecs(jifs - conn->gnc_last_rx),
+                          jiffies_to_msecs(jifs - conn->gnc_last_rx_cq),
+                          conn->gnc_tx_retrans);
        }
 
        write_unlock(&kgnilnd_data.kgn_peer_conn_lock);
-       return len;
+       return 0;
 }
 
 static int
+kgnilnd_peer_conns_seq_open(struct inode *inode, struct file *file)
+{
+       return single_open(file, kgnilnd_proc_peer_conns_seq_show,
+                          PDE_DATA(inode));
+}
+
+static const struct file_operations kgn_peer_conns_fops = {
+       .owner   = THIS_MODULE,
+       .open    = kgnilnd_peer_conns_seq_open,
+       .read    = seq_read,
+       .write   = kgnilnd_proc_peer_conns_write,
+       .llseek  = seq_lseek,
+       .release = seq_release,
+};
+
+static int
 kgnilnd_conn_seq_open(struct inode *inode, struct file *file)
 {
-       struct proc_dir_entry *dp = PDE(inode);
        struct seq_file       *sf;
        int                    rc;
 
        rc = seq_open(file, &kgn_conn_sops);
        if (rc == 0) {
                sf = file->private_data;
-               sf->private = dp->data;
+               sf->private = PDE_DATA(inode);
        }
 
        return rc;
@@ -1220,18 +1265,17 @@ kgnilnd_peer_seq_show(struct seq_file *s, void *iter)
 
        read_unlock(&kgnilnd_data.kgn_peer_conn_lock);
 
-       seq_printf(s, "%p->%s [%d] %s NIC 0x%x q %d conn %c purg %d "
-               "last %d@%dms dgram %d@%dms "
-               "reconn %dms to %lus \n",
+       seq_printf(s, "%p->%s [%d] %s NIC 0x%x q %d conn %c purg %d last %d@%lldms dgram %d@%dms reconn %dms to %lus \n",
                peer, libcfs_nid2str(peer->gnp_nid),
                atomic_read(&peer->gnp_refcount),
-               (peer->gnp_down == GNILND_RCA_NODE_DOWN) ? "down" : "up",
+               (peer->gnp_state == GNILND_PEER_DOWN) ? "down" :
+               peer->gnp_state == GNILND_PEER_TIMED_OUT ? "timedout" : "up",
                peer->gnp_host_id,
                kgnilnd_count_list(&peer->gnp_tx_queue),
                conn_str,
                purg_count,
                peer->gnp_last_errno,
-               jiffies_to_msecs(jiffies - peer->gnp_last_alive),
+               (ktime_get_seconds() - peer->gnp_last_alive) * MSEC_PER_SEC,
                peer->gnp_last_dgram_errno,
                jiffies_to_msecs(jiffies - peer->gnp_last_dgram_time),
                peer->gnp_reconnect_interval != 0
@@ -1254,14 +1298,13 @@ static struct seq_operations kgn_peer_sops = {
 static int
 kgnilnd_peer_seq_open(struct inode *inode, struct file *file)
 {
-       struct proc_dir_entry *dp = PDE(inode);
        struct seq_file       *sf;
        int                    rc;
 
        rc = seq_open(file, &kgn_peer_sops);
        if (rc == 0) {
                sf = file->private_data;
-               sf->private = dp->data;
+               sf->private = PDE_DATA(inode);
        }
 
        return rc;
@@ -1293,76 +1336,59 @@ kgnilnd_proc_init(void)
        }
 
        /* Initialize CKSUM_TEST */
-       pde = create_proc_entry(GNILND_PROC_CKSUM_TEST, 0200, kgn_proc_root);
+       pde = proc_create(GNILND_PROC_CKSUM_TEST, 0200, kgn_proc_root,
+                         &kgn_cksum_test_fops);
        if (pde == NULL) {
                CERROR("couldn't create proc entry %s\n", GNILND_PROC_CKSUM_TEST);
                GOTO(remove_dir, rc = -ENOENT);
        }
 
-       pde->data = NULL;
-       pde->write_proc = kgnilnd_proc_cksum_test_write;
-
        /* Initialize STATS */
-       pde = create_proc_entry(GNILND_PROC_STATS, 0644, kgn_proc_root);
+       pde = proc_create(GNILND_PROC_STATS, 0644, kgn_proc_root,
+                         &kgn_stats_fops);
        if (pde == NULL) {
                CERROR("couldn't create proc entry %s\n", GNILND_PROC_STATS);
                GOTO(remove_test, rc = -ENOENT);
        }
 
-       pde->data = NULL;
-       pde->read_proc = kgnilnd_proc_stats_read;
-       pde->write_proc = kgnilnd_proc_stats_write;
-
        /* Initialize MDD */
-       pde = create_proc_entry(GNILND_PROC_MDD, 0444, kgn_proc_root);
+       pde = proc_create(GNILND_PROC_MDD, 0444, kgn_proc_root, &kgn_mdd_fops);
        if (pde == NULL) {
                CERROR("couldn't create proc entry %s\n", GNILND_PROC_MDD);
                GOTO(remove_stats, rc = -ENOENT);
        }
 
-       pde->data = NULL;
-       pde->proc_fops = &kgn_mdd_fops;
-
        /* Initialize SMSG */
-       pde = create_proc_entry(GNILND_PROC_SMSG, 0444, kgn_proc_root);
+       pde = proc_create(GNILND_PROC_SMSG, 0444, kgn_proc_root,
+                         &kgn_smsg_fops);
        if (pde == NULL) {
                CERROR("couldn't create proc entry %s\n", GNILND_PROC_SMSG);
                GOTO(remove_mdd, rc = -ENOENT);
        }
 
-       pde->data = NULL;
-       pde->proc_fops = &kgn_smsg_fops;
-
        /* Initialize CONN */
-       pde = create_proc_entry(GNILND_PROC_CONN, 0444, kgn_proc_root);
+       pde = proc_create(GNILND_PROC_CONN, 0444, kgn_proc_root,
+                         &kgn_conn_fops);
        if (pde == NULL) {
                CERROR("couldn't create proc entry %s\n", GNILND_PROC_CONN);
                GOTO(remove_smsg, rc = -ENOENT);
        }
 
-       pde->data = NULL;
-       pde->proc_fops = &kgn_conn_fops;
-
        /* Initialize peer conns debug */
-       pde = create_proc_entry(GNILND_PROC_PEER_CONNS, 0644, kgn_proc_root);
+       pde = proc_create(GNILND_PROC_PEER_CONNS, 0644, kgn_proc_root,
+                         &kgn_peer_conns_fops);
        if (pde == NULL) {
                CERROR("couldn't create proc entry %s\n", GNILND_PROC_PEER_CONNS);
                GOTO(remove_conn, rc = -ENOENT);
        }
 
-       pde->data = NULL;
-       pde->read_proc = kgnilnd_proc_peer_conns_read;
-       pde->write_proc = kgnilnd_proc_peer_conns_write;
-
        /* Initialize PEER */
-       pde = create_proc_entry(GNILND_PROC_PEER, 0444, kgn_proc_root);
+       pde = proc_create(GNILND_PROC_PEER, 0444, kgn_proc_root,
+                         &kgn_peer_fops);
        if (pde == NULL) {
                CERROR("couldn't create proc entry %s\n", GNILND_PROC_PEER);
                GOTO(remove_pc, rc = -ENOENT);
        }
-
-       pde->data = NULL;
-       pde->proc_fops = &kgn_peer_fops;
        RETURN_EXIT;
 
 remove_pc:
@@ -1378,7 +1404,7 @@ remove_stats:
 remove_test:
        remove_proc_entry(GNILND_PROC_CKSUM_TEST, kgn_proc_root);
 remove_dir:
-       remove_proc_entry(kgn_proc_root->name, NULL);
+       remove_proc_entry(libcfs_lnd2modname(GNILND), NULL);
 
        RETURN_EXIT;
 }
@@ -1393,5 +1419,5 @@ kgnilnd_proc_fini(void)
        remove_proc_entry(GNILND_PROC_SMSG, kgn_proc_root);
        remove_proc_entry(GNILND_PROC_STATS, kgn_proc_root);
        remove_proc_entry(GNILND_PROC_CKSUM_TEST, kgn_proc_root);
-       remove_proc_entry(kgn_proc_root->name, NULL);
+       remove_proc_entry(libcfs_lnd2modname(GNILND), NULL);
 }