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staging: lustre: lnet: o2iblnd: code cleanup - align whitespace

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Unify variable declarations to use a single whitespace.  Also line up
declarations and comments in o2iblnd.h.

Signed-off-by: Mike Shuey <shuey@purdue.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Shuey
2015-05-19 10:14:36 -04:00
committed by Greg Kroah-Hartman
parent 92980ff946
commit ec3d17c0ed
4 changed files with 836 additions and 824 deletions
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458
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
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@@ -42,21 +42,21 @@
#include <asm/div64.h>
static lnd_t the_o2iblnd = {
.lnd_type = O2IBLND,
.lnd_startup = kiblnd_startup,
.lnd_shutdown = kiblnd_shutdown,
.lnd_ctl = kiblnd_ctl,
.lnd_query = kiblnd_query,
.lnd_send = kiblnd_send,
.lnd_recv = kiblnd_recv,
.lnd_type = O2IBLND,
.lnd_startup = kiblnd_startup,
.lnd_shutdown = kiblnd_shutdown,
.lnd_ctl = kiblnd_ctl,
.lnd_query = kiblnd_query,
.lnd_send = kiblnd_send,
.lnd_recv = kiblnd_recv,
};
kib_data_t kiblnd_data;
kib_data_t kiblnd_data;
static __u32 kiblnd_cksum(void *ptr, int nob)
{
char *c = ptr;
__u32 sum = 0;
char *c = ptr;
__u32 sum = 0;
while (nob-- > 0)
sum = ((sum << 1) | (sum >> 31)) + *c++;
@@ -138,10 +138,10 @@ static int kiblnd_msgtype2size(int type)
static int kiblnd_unpack_rd(kib_msg_t *msg, int flip)
{
kib_rdma_desc_t *rd;
int nob;
int n;
int i;
kib_rdma_desc_t *rd;
int nob;
int n;
int i;
LASSERT(msg->ibm_type == IBLND_MSG_GET_REQ ||
msg->ibm_type == IBLND_MSG_PUT_ACK);
@@ -210,10 +210,10 @@ void kiblnd_pack_msg(lnet_ni_t *ni, kib_msg_t *msg, int version,
int kiblnd_unpack_msg(kib_msg_t *msg, int nob)
{
const int hdr_size = offsetof(kib_msg_t, ibm_u);
__u32 msg_cksum;
__u16 version;
int msg_nob;
int flip;
__u32 msg_cksum;
__u16 version;
int msg_nob;
int flip;
/* 6 bytes are enough to have received magic + version */
if (nob < 6) {
@@ -320,10 +320,10 @@ int kiblnd_unpack_msg(kib_msg_t *msg, int nob)
int kiblnd_create_peer(lnet_ni_t *ni, kib_peer_t **peerp, lnet_nid_t nid)
{
kib_peer_t *peer;
kib_net_t *net = ni->ni_data;
int cpt = lnet_cpt_of_nid(nid);
unsigned long flags;
kib_peer_t *peer;
kib_net_t *net = ni->ni_data;
int cpt = lnet_cpt_of_nid(nid);
unsigned long flags;
LASSERT(net != NULL);
LASSERT(nid != LNET_NID_ANY);
@@ -385,9 +385,9 @@ kib_peer_t *kiblnd_find_peer_locked(lnet_nid_t nid)
{
/* the caller is responsible for accounting the additional reference
* that this creates */
struct list_head *peer_list = kiblnd_nid2peerlist(nid);
struct list_head *tmp;
kib_peer_t *peer;
struct list_head *peer_list = kiblnd_nid2peerlist(nid);
struct list_head *tmp;
kib_peer_t *peer;
list_for_each(tmp, peer_list) {
@@ -422,10 +422,10 @@ void kiblnd_unlink_peer_locked(kib_peer_t *peer)
static int kiblnd_get_peer_info(lnet_ni_t *ni, int index,
lnet_nid_t *nidp, int *count)
{
kib_peer_t *peer;
struct list_head *ptmp;
int i;
unsigned long flags;
kib_peer_t *peer;
struct list_head *ptmp;
int i;
unsigned long flags;
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
@@ -459,9 +459,9 @@ static int kiblnd_get_peer_info(lnet_ni_t *ni, int index,
static void kiblnd_del_peer_locked(kib_peer_t *peer)
{
struct list_head *ctmp;
struct list_head *cnxt;
kib_conn_t *conn;
struct list_head *ctmp;
struct list_head *cnxt;
kib_conn_t *conn;
if (list_empty(&peer->ibp_conns)) {
kiblnd_unlink_peer_locked(peer);
@@ -480,14 +480,14 @@ static void kiblnd_del_peer_locked(kib_peer_t *peer)
static int kiblnd_del_peer(lnet_ni_t *ni, lnet_nid_t nid)
{
LIST_HEAD(zombies);
struct list_head *ptmp;
struct list_head *pnxt;
kib_peer_t *peer;
int lo;
int hi;
int i;
unsigned long flags;
int rc = -ENOENT;
struct list_head *ptmp;
struct list_head *pnxt;
kib_peer_t *peer;
int lo;
int hi;
int i;
unsigned long flags;
int rc = -ENOENT;
write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
@@ -532,12 +532,12 @@ static int kiblnd_del_peer(lnet_ni_t *ni, lnet_nid_t nid)
static kib_conn_t *kiblnd_get_conn_by_idx(lnet_ni_t *ni, int index)
{
kib_peer_t *peer;
struct list_head *ptmp;
kib_conn_t *conn;
struct list_head *ctmp;
int i;
unsigned long flags;
kib_peer_t *peer;
struct list_head *ptmp;
kib_conn_t *conn;
struct list_head *ctmp;
int i;
unsigned long flags;
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
@@ -593,7 +593,7 @@ int kiblnd_translate_mtu(int value)
static void kiblnd_setup_mtu_locked(struct rdma_cm_id *cmid)
{
int mtu;
int mtu;
/* XXX There is no path record for iWARP, set by netdev->change_mtu? */
if (cmid->route.path_rec == NULL)
@@ -607,11 +607,11 @@ static void kiblnd_setup_mtu_locked(struct rdma_cm_id *cmid)
static int kiblnd_get_completion_vector(kib_conn_t *conn, int cpt)
{
cpumask_t *mask;
int vectors;
int off;
int i;
lnet_nid_t nid = conn->ibc_peer->ibp_nid;
cpumask_t *mask;
int vectors;
int off;
int i;
lnet_nid_t nid = conn->ibc_peer->ibp_nid;
vectors = conn->ibc_cmid->device->num_comp_vectors;
if (vectors <= 1)
@@ -642,17 +642,17 @@ kib_conn_t *kiblnd_create_conn(kib_peer_t *peer, struct rdma_cm_id *cmid,
* she must dispose of 'cmid'. (Actually I'd block forever if I tried
* to destroy 'cmid' here since I'm called from the CM which still has
* its ref on 'cmid'). */
rwlock_t *glock = &kiblnd_data.kib_global_lock;
kib_net_t *net = peer->ibp_ni->ni_data;
kib_dev_t *dev;
rwlock_t *glock = &kiblnd_data.kib_global_lock;
kib_net_t *net = peer->ibp_ni->ni_data;
kib_dev_t *dev;
struct ib_qp_init_attr *init_qp_attr;
struct kib_sched_info *sched;
kib_conn_t *conn;
struct ib_cq *cq;
unsigned long flags;
int cpt;
int rc;
int i;
struct kib_sched_info *sched;
kib_conn_t *conn;
struct ib_cq *cq;
unsigned long flags;
int cpt;
int rc;
int i;
LASSERT(net != NULL);
LASSERT(!in_interrupt());
@@ -837,8 +837,8 @@ kib_conn_t *kiblnd_create_conn(kib_peer_t *peer, struct rdma_cm_id *cmid,
void kiblnd_destroy_conn(kib_conn_t *conn)
{
struct rdma_cm_id *cmid = conn->ibc_cmid;
kib_peer_t *peer = conn->ibc_peer;
int rc;
kib_peer_t *peer = conn->ibc_peer;
int rc;
LASSERT(!in_interrupt());
LASSERT(atomic_read(&conn->ibc_refcount) == 0);
@@ -904,10 +904,10 @@ void kiblnd_destroy_conn(kib_conn_t *conn)
int kiblnd_close_peer_conns_locked(kib_peer_t *peer, int why)
{
kib_conn_t *conn;
struct list_head *ctmp;
struct list_head *cnxt;
int count = 0;
kib_conn_t *conn;
struct list_head *ctmp;
struct list_head *cnxt;
int count = 0;
list_for_each_safe(ctmp, cnxt, &peer->ibp_conns) {
conn = list_entry(ctmp, kib_conn_t, ibc_list);
@@ -926,10 +926,10 @@ int kiblnd_close_peer_conns_locked(kib_peer_t *peer, int why)
int kiblnd_close_stale_conns_locked(kib_peer_t *peer,
int version, __u64 incarnation)
{
kib_conn_t *conn;
struct list_head *ctmp;
struct list_head *cnxt;
int count = 0;
kib_conn_t *conn;
struct list_head *ctmp;
struct list_head *cnxt;
int count = 0;
list_for_each_safe(ctmp, cnxt, &peer->ibp_conns) {
conn = list_entry(ctmp, kib_conn_t, ibc_list);
@@ -953,14 +953,14 @@ int kiblnd_close_stale_conns_locked(kib_peer_t *peer,
static int kiblnd_close_matching_conns(lnet_ni_t *ni, lnet_nid_t nid)
{
kib_peer_t *peer;
struct list_head *ptmp;
struct list_head *pnxt;
int lo;
int hi;
int i;
unsigned long flags;
int count = 0;
kib_peer_t *peer;
struct list_head *ptmp;
struct list_head *pnxt;
int lo;
int hi;
int i;
unsigned long flags;
int count = 0;
write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
@@ -1001,17 +1001,17 @@ static int kiblnd_close_matching_conns(lnet_ni_t *ni, lnet_nid_t nid)
int kiblnd_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg)
{
struct libcfs_ioctl_data *data = arg;
int rc = -EINVAL;
int rc = -EINVAL;
switch (cmd) {
case IOC_LIBCFS_GET_PEER: {
lnet_nid_t nid = 0;
int count = 0;
lnet_nid_t nid = 0;
int count = 0;
rc = kiblnd_get_peer_info(ni, data->ioc_count,
&nid, &count);
data->ioc_nid = nid;
data->ioc_count = count;
data->ioc_nid = nid;
data->ioc_count = count;
break;
}
@@ -1053,11 +1053,11 @@ int kiblnd_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg)
void kiblnd_query(lnet_ni_t *ni, lnet_nid_t nid, unsigned long *when)
{
unsigned long last_alive = 0;
unsigned long now = cfs_time_current();
rwlock_t *glock = &kiblnd_data.kib_global_lock;
kib_peer_t *peer;
unsigned long flags;
unsigned long last_alive = 0;
unsigned long now = cfs_time_current();
rwlock_t *glock = &kiblnd_data.kib_global_lock;
kib_peer_t *peer;
unsigned long flags;
read_lock_irqsave(glock, flags);
@@ -1086,8 +1086,8 @@ void kiblnd_query(lnet_ni_t *ni, lnet_nid_t nid, unsigned long *when)
void kiblnd_free_pages(kib_pages_t *p)
{
int npages = p->ibp_npages;
int i;
int npages = p->ibp_npages;
int i;
for (i = 0; i < npages; i++) {
if (p->ibp_pages[i] != NULL)
@@ -1099,8 +1099,8 @@ void kiblnd_free_pages(kib_pages_t *p)
int kiblnd_alloc_pages(kib_pages_t **pp, int cpt, int npages)
{
kib_pages_t *p;
int i;
kib_pages_t *p;
int i;
LIBCFS_CPT_ALLOC(p, lnet_cpt_table(), cpt,
offsetof(kib_pages_t, ibp_pages[npages]));
@@ -1130,7 +1130,7 @@ int kiblnd_alloc_pages(kib_pages_t **pp, int cpt, int npages)
void kiblnd_unmap_rx_descs(kib_conn_t *conn)
{
kib_rx_t *rx;
int i;
int i;
LASSERT(conn->ibc_rxs != NULL);
LASSERT(conn->ibc_hdev != NULL);
@@ -1153,14 +1153,13 @@ void kiblnd_unmap_rx_descs(kib_conn_t *conn)
void kiblnd_map_rx_descs(kib_conn_t *conn)
{
kib_rx_t *rx;
struct page *pg;
int pg_off;
int ipg;
int i;
kib_rx_t *rx;
struct page *pg;
int pg_off;
int ipg;
int i;
for (pg_off = ipg = i = 0;
i < IBLND_RX_MSGS(conn->ibc_version); i++) {
for (pg_off = ipg = i = 0; i < IBLND_RX_MSGS(conn->ibc_version); i++) {
pg = conn->ibc_rx_pages->ibp_pages[ipg];
rx = &conn->ibc_rxs[i];
@@ -1192,9 +1191,9 @@ void kiblnd_map_rx_descs(kib_conn_t *conn)
static void kiblnd_unmap_tx_pool(kib_tx_pool_t *tpo)
{
kib_hca_dev_t *hdev = tpo->tpo_hdev;
kib_tx_t *tx;
int i;
kib_hca_dev_t *hdev = tpo->tpo_hdev;
kib_tx_t *tx;
int i;
LASSERT(tpo->tpo_pool.po_allocated == 0);
@@ -1216,8 +1215,8 @@ static void kiblnd_unmap_tx_pool(kib_tx_pool_t *tpo)
static kib_hca_dev_t *kiblnd_current_hdev(kib_dev_t *dev)
{
kib_hca_dev_t *hdev;
unsigned long flags;
int i = 0;
unsigned long flags;
int i = 0;
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
while (dev->ibd_failover) {
@@ -1240,15 +1239,15 @@ static kib_hca_dev_t *kiblnd_current_hdev(kib_dev_t *dev)
static void kiblnd_map_tx_pool(kib_tx_pool_t *tpo)
{
kib_pages_t *txpgs = tpo->tpo_tx_pages;
kib_pool_t *pool = &tpo->tpo_pool;
kib_net_t *net = pool->po_owner->ps_net;
kib_dev_t *dev;
struct page *page;
kib_tx_t *tx;
int page_offset;
int ipage;
int i;
kib_pages_t *txpgs = tpo->tpo_tx_pages;
kib_pool_t *pool = &tpo->tpo_pool;
kib_net_t *net = pool->po_owner->ps_net;
kib_dev_t *dev;
struct page *page;
kib_tx_t *tx;
int page_offset;
int ipage;
int i;
LASSERT(net != NULL);
@@ -1291,7 +1290,7 @@ static void kiblnd_map_tx_pool(kib_tx_pool_t *tpo)
struct ib_mr *kiblnd_find_dma_mr(kib_hca_dev_t *hdev, __u64 addr, __u64 size)
{
__u64 index;
__u64 index;
LASSERT(hdev->ibh_mrs[0] != NULL);
@@ -1311,7 +1310,7 @@ struct ib_mr *kiblnd_find_rd_dma_mr(kib_hca_dev_t *hdev, kib_rdma_desc_t *rd)
{
struct ib_mr *prev_mr;
struct ib_mr *mr;
int i;
int i;
LASSERT(hdev->ibh_mrs[0] != NULL);
@@ -1382,18 +1381,18 @@ static int kiblnd_create_fmr_pool(kib_fmr_poolset_t *fps,
kib_fmr_pool_t **pp_fpo)
{
/* FMR pool for RDMA */
kib_dev_t *dev = fps->fps_net->ibn_dev;
kib_fmr_pool_t *fpo;
kib_dev_t *dev = fps->fps_net->ibn_dev;
kib_fmr_pool_t *fpo;
struct ib_fmr_pool_param param = {
.max_pages_per_fmr = LNET_MAX_PAYLOAD/PAGE_SIZE,
.page_shift = PAGE_SHIFT,
.access = (IB_ACCESS_LOCAL_WRITE |
IB_ACCESS_REMOTE_WRITE),
.pool_size = fps->fps_pool_size,
.page_shift = PAGE_SHIFT,
.access = (IB_ACCESS_LOCAL_WRITE |
IB_ACCESS_REMOTE_WRITE),
.pool_size = fps->fps_pool_size,
.dirty_watermark = fps->fps_flush_trigger,
.flush_function = NULL,
.flush_arg = NULL,
.cache = !!*kiblnd_tunables.kib_fmr_cache};
.flush_arg = NULL,
.cache = !!*kiblnd_tunables.kib_fmr_cache};
int rc;
LIBCFS_CPT_ALLOC(fpo, lnet_cpt_table(), fps->fps_cpt, sizeof(*fpo));
@@ -1454,7 +1453,7 @@ static int kiblnd_init_fmr_poolset(kib_fmr_poolset_t *fps, int cpt,
int flush_trigger)
{
kib_fmr_pool_t *fpo;
int rc;
int rc;
memset(fps, 0, sizeof(kib_fmr_poolset_t));
@@ -1485,11 +1484,11 @@ static int kiblnd_fmr_pool_is_idle(kib_fmr_pool_t *fpo, unsigned long now)
void kiblnd_fmr_pool_unmap(kib_fmr_t *fmr, int status)
{
LIST_HEAD(zombies);
kib_fmr_pool_t *fpo = fmr->fmr_pool;
kib_fmr_pool_t *fpo = fmr->fmr_pool;
kib_fmr_poolset_t *fps = fpo->fpo_owner;
unsigned long now = cfs_time_current();
kib_fmr_pool_t *tmp;
int rc;
unsigned long now = cfs_time_current();
kib_fmr_pool_t *tmp;
int rc;
rc = ib_fmr_pool_unmap(fmr->fmr_pfmr);
LASSERT(rc == 0);
@@ -1525,9 +1524,9 @@ int kiblnd_fmr_pool_map(kib_fmr_poolset_t *fps, __u64 *pages, int npages,
__u64 iov, kib_fmr_t *fmr)
{
struct ib_pool_fmr *pfmr;
kib_fmr_pool_t *fpo;
__u64 version;
int rc;
kib_fmr_pool_t *fpo;
__u64 version;
int rc;
again:
spin_lock(&fps->fps_lock);
@@ -1658,13 +1657,13 @@ static int kiblnd_init_poolset(kib_poolset_t *ps, int cpt,
kib_ps_node_init_t nd_init,
kib_ps_node_fini_t nd_fini)
{
kib_pool_t *pool;
int rc;
kib_pool_t *pool;
int rc;
memset(ps, 0, sizeof(kib_poolset_t));
ps->ps_cpt = cpt;
ps->ps_net = net;
ps->ps_cpt = cpt;
ps->ps_net = net;
ps->ps_pool_create = po_create;
ps->ps_pool_destroy = po_destroy;
ps->ps_node_init = nd_init;
@@ -1698,9 +1697,9 @@ static int kiblnd_pool_is_idle(kib_pool_t *pool, unsigned long now)
void kiblnd_pool_free_node(kib_pool_t *pool, struct list_head *node)
{
LIST_HEAD(zombies);
kib_poolset_t *ps = pool->po_owner;
kib_pool_t *tmp;
unsigned long now = cfs_time_current();
kib_poolset_t *ps = pool->po_owner;
kib_pool_t *tmp;
unsigned long now = cfs_time_current();
spin_lock(&ps->ps_lock);
@@ -1727,9 +1726,9 @@ void kiblnd_pool_free_node(kib_pool_t *pool, struct list_head *node)
struct list_head *kiblnd_pool_alloc_node(kib_poolset_t *ps)
{
struct list_head *node;
kib_pool_t *pool;
int rc;
struct list_head *node;
kib_pool_t *pool;
int rc;
again:
spin_lock(&ps->ps_lock);
@@ -1789,8 +1788,8 @@ struct list_head *kiblnd_pool_alloc_node(kib_poolset_t *ps)
void kiblnd_pmr_pool_unmap(kib_phys_mr_t *pmr)
{
kib_pmr_pool_t *ppo = pmr->pmr_pool;
struct ib_mr *mr = pmr->pmr_mr;
kib_pmr_pool_t *ppo = pmr->pmr_pool;
struct ib_mr *mr = pmr->pmr_mr;
pmr->pmr_mr = NULL;
kiblnd_pool_free_node(&ppo->ppo_pool, &pmr->pmr_list);
@@ -1802,9 +1801,9 @@ int kiblnd_pmr_pool_map(kib_pmr_poolset_t *pps, kib_hca_dev_t *hdev,
kib_rdma_desc_t *rd, __u64 *iova, kib_phys_mr_t **pp_pmr)
{
kib_phys_mr_t *pmr;
struct list_head *node;
int rc;
int i;
struct list_head *node;
int rc;
int i;
node = kiblnd_pool_alloc_node(&pps->pps_poolset);
if (node == NULL) {
@@ -1846,7 +1845,7 @@ int kiblnd_pmr_pool_map(kib_pmr_poolset_t *pps, kib_hca_dev_t *hdev,
static void kiblnd_destroy_pmr_pool(kib_pool_t *pool)
{
kib_pmr_pool_t *ppo = container_of(pool, kib_pmr_pool_t, ppo_pool);
kib_phys_mr_t *pmr;
kib_phys_mr_t *pmr;
kib_phys_mr_t *tmp;
LASSERT(pool->po_allocated == 0);
@@ -1881,10 +1880,10 @@ static inline int kiblnd_pmr_pool_size(int ncpts)
static int kiblnd_create_pmr_pool(kib_poolset_t *ps, int size,
kib_pool_t **pp_po)
{
struct kib_pmr_pool *ppo;
struct kib_pool *pool;
kib_phys_mr_t *pmr;
int i;
struct kib_pmr_pool *ppo;
struct kib_pool *pool;
kib_phys_mr_t *pmr;
int i;
LIBCFS_CPT_ALLOC(ppo, lnet_cpt_table(),
ps->ps_cpt, sizeof(kib_pmr_pool_t));
@@ -1923,8 +1922,8 @@ static int kiblnd_create_pmr_pool(kib_poolset_t *ps, int size,
static void kiblnd_destroy_tx_pool(kib_pool_t *pool)
{
kib_tx_pool_t *tpo = container_of(pool, kib_tx_pool_t, tpo_pool);
int i;
kib_tx_pool_t *tpo = container_of(pool, kib_tx_pool_t, tpo_pool);
int i;
LASSERT(pool->po_allocated == 0);
@@ -1979,9 +1978,9 @@ static int kiblnd_tx_pool_size(int ncpts)
static int kiblnd_create_tx_pool(kib_poolset_t *ps, int size,
kib_pool_t **pp_po)
{
int i;
int npg;
kib_pool_t *pool;
int i;
int npg;
kib_pool_t *pool;
kib_tx_pool_t *tpo;
LIBCFS_CPT_ALLOC(tpo, lnet_cpt_table(), ps->ps_cpt, sizeof(*tpo));
@@ -2064,19 +2063,19 @@ static void kiblnd_tx_init(kib_pool_t *pool, struct list_head *node)
{
kib_tx_poolset_t *tps = container_of(pool->po_owner, kib_tx_poolset_t,
tps_poolset);
kib_tx_t *tx = list_entry(node, kib_tx_t, tx_list);
kib_tx_t *tx = list_entry(node, kib_tx_t, tx_list);
tx->tx_cookie = tps->tps_next_tx_cookie++;
}
static void kiblnd_net_fini_pools(kib_net_t *net)
{
int i;
int i;
cfs_cpt_for_each(i, lnet_cpt_table()) {
kib_tx_poolset_t *tps;
kib_fmr_poolset_t *fps;
kib_pmr_poolset_t *pps;
kib_tx_poolset_t *tps;
kib_fmr_poolset_t *fps;
kib_pmr_poolset_t *pps;
if (net->ibn_tx_ps != NULL) {
tps = net->ibn_tx_ps[i];
@@ -2112,16 +2111,15 @@ static void kiblnd_net_fini_pools(kib_net_t *net)
static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts)
{
unsigned long flags;
int cpt;
int rc;
int i;
unsigned long flags;
int cpt;
int rc;
int i;
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
if (*kiblnd_tunables.kib_map_on_demand == 0 &&
net->ibn_dev->ibd_hdev->ibh_nmrs == 1) {
read_unlock_irqrestore(&kiblnd_data.kib_global_lock,
flags);
read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
goto create_tx_pool;
}
@@ -2241,7 +2239,7 @@ static int kiblnd_net_init_pools(kib_net_t *net, __u32 *cpts, int ncpts)
static int kiblnd_hdev_get_attr(kib_hca_dev_t *hdev)
{
struct ib_device_attr *attr;
int rc;
int rc;
/* It's safe to assume a HCA can handle a page size
* matching that of the native system */
@@ -2284,7 +2282,7 @@ static int kiblnd_hdev_get_attr(kib_hca_dev_t *hdev)
static void kiblnd_hdev_cleanup_mrs(kib_hca_dev_t *hdev)
{
int i;
int i;
if (hdev->ibh_nmrs == 0 || hdev->ibh_mrs == NULL)
return;
@@ -2317,12 +2315,11 @@ void kiblnd_hdev_destroy(kib_hca_dev_t *hdev)
static int kiblnd_hdev_setup_mrs(kib_hca_dev_t *hdev)
{
struct ib_mr *mr;
int i;
int rc;
__u64 mm_size;
__u64 mr_size;
int acflags = IB_ACCESS_LOCAL_WRITE |
IB_ACCESS_REMOTE_WRITE;
int i;
int rc;
__u64 mm_size;
__u64 mr_size;
int acflags = IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE;
rc = kiblnd_hdev_get_attr(hdev);
if (rc != 0)
@@ -2371,11 +2368,11 @@ static int kiblnd_hdev_setup_mrs(kib_hca_dev_t *hdev)
for (i = 0; i < hdev->ibh_nmrs; i++) {
struct ib_phys_buf ipb;
__u64 iova;
__u64 iova;
ipb.size = hdev->ibh_mr_size;
ipb.addr = i * mr_size;
iova = ipb.addr;
iova = ipb.addr;
mr = ib_reg_phys_mr(hdev->ibh_pd, &ipb, 1, acflags, &iova);
if (IS_ERR(mr)) {
@@ -2406,10 +2403,10 @@ static int kiblnd_dummy_callback(struct rdma_cm_id *cmid,
static int kiblnd_dev_need_failover(kib_dev_t *dev)
{
struct rdma_cm_id *cmid;
struct sockaddr_in srcaddr;
struct sockaddr_in dstaddr;
int rc;
struct rdma_cm_id *cmid;
struct sockaddr_in srcaddr;
struct sockaddr_in dstaddr;
int rc;
if (dev->ibd_hdev == NULL || /* initializing */
dev->ibd_hdev->ibh_cmid == NULL || /* listener is dead */
@@ -2435,7 +2432,7 @@ static int kiblnd_dev_need_failover(kib_dev_t *dev)
}
memset(&srcaddr, 0, sizeof(srcaddr));
srcaddr.sin_family = AF_INET;
srcaddr.sin_family = AF_INET;
srcaddr.sin_addr.s_addr = (__force u32)htonl(dev->ibd_ifip);
memset(&dstaddr, 0, sizeof(dstaddr));
@@ -2464,15 +2461,15 @@ int kiblnd_dev_failover(kib_dev_t *dev)
LIST_HEAD(zombie_tpo);
LIST_HEAD(zombie_ppo);
LIST_HEAD(zombie_fpo);
struct rdma_cm_id *cmid = NULL;
kib_hca_dev_t *hdev = NULL;
kib_hca_dev_t *old;
struct ib_pd *pd;
kib_net_t *net;
struct sockaddr_in addr;
unsigned long flags;
int rc = 0;
int i;
struct rdma_cm_id *cmid = NULL;
kib_hca_dev_t *hdev = NULL;
kib_hca_dev_t *old;
struct ib_pd *pd;
kib_net_t *net;
struct sockaddr_in addr;
unsigned long flags;
int rc = 0;
int i;
LASSERT(*kiblnd_tunables.kib_dev_failover > 1 ||
dev->ibd_can_failover ||
@@ -2614,11 +2611,11 @@ void kiblnd_destroy_dev(kib_dev_t *dev)
static kib_dev_t *kiblnd_create_dev(char *ifname)
{
struct net_device *netdev;
kib_dev_t *dev;
__u32 netmask;
__u32 ip;
int up;
int rc;
kib_dev_t *dev;
__u32 netmask;
__u32 ip;
int up;
int rc;
rc = libcfs_ipif_query(ifname, &up, &ip, &netmask);
if (rc != 0) {
@@ -2665,8 +2662,8 @@ static kib_dev_t *kiblnd_create_dev(char *ifname)
static void kiblnd_base_shutdown(void)
{
struct kib_sched_info *sched;
int i;
struct kib_sched_info *sched;
int i;
LASSERT(list_empty(&kiblnd_data.kib_devs));
@@ -2732,10 +2729,10 @@ static void kiblnd_base_shutdown(void)
void kiblnd_shutdown(lnet_ni_t *ni)
{
kib_net_t *net = ni->ni_data;
rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
int i;
unsigned long flags;
kib_net_t *net = ni->ni_data;
rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
int i;
unsigned long flags;
LASSERT(kiblnd_data.kib_init == IBLND_INIT_ALL);
@@ -2804,9 +2801,9 @@ out:
static int kiblnd_base_startup(void)
{
struct kib_sched_info *sched;
int rc;
int i;
struct kib_sched_info *sched;
int rc;
int i;
LASSERT(kiblnd_data.kib_init == IBLND_INIT_NOTHING);
@@ -2821,8 +2818,7 @@ static int kiblnd_base_startup(void)
kiblnd_data.kib_peer_hash_size = IBLND_PEER_HASH_SIZE;
LIBCFS_ALLOC(kiblnd_data.kib_peers,
sizeof(struct list_head) *
kiblnd_data.kib_peer_hash_size);
sizeof(struct list_head) * kiblnd_data.kib_peer_hash_size);
if (kiblnd_data.kib_peers == NULL)
goto failed;
for (i = 0; i < kiblnd_data.kib_peer_hash_size; i++)
@@ -2840,7 +2836,7 @@ static int kiblnd_base_startup(void)
goto failed;
cfs_percpt_for_each(sched, i, kiblnd_data.kib_scheds) {
int nthrs;
int nthrs;
spin_lock_init(&sched->ibs_lock);
INIT_LIST_HEAD(&sched->ibs_conns);
@@ -2893,9 +2889,9 @@ static int kiblnd_base_startup(void)
static int kiblnd_start_schedulers(struct kib_sched_info *sched)
{
int rc = 0;
int nthrs;
int i;
int rc = 0;
int nthrs;
int i;
if (sched->ibs_nthreads == 0) {
if (*kiblnd_tunables.kib_nscheds > 0) {
@@ -2913,8 +2909,8 @@ static int kiblnd_start_schedulers(struct kib_sched_info *sched)
}
for (i = 0; i < nthrs; i++) {
long id;
char name[20];
long id;
char name[20];
id = KIB_THREAD_ID(sched->ibs_cpt, sched->ibs_nthreads + i);
snprintf(name, sizeof(name), "kiblnd_sd_%02ld_%02ld",
@@ -2935,9 +2931,9 @@ static int kiblnd_start_schedulers(struct kib_sched_info *sched)
static int kiblnd_dev_start_threads(kib_dev_t *dev, int newdev, __u32 *cpts,
int ncpts)
{
int cpt;
int rc;
int i;
int cpt;
int rc;
int i;
for (i = 0; i < ncpts; i++) {
struct kib_sched_info *sched;
@@ -2960,10 +2956,10 @@ static int kiblnd_dev_start_threads(kib_dev_t *dev, int newdev, __u32 *cpts,
static kib_dev_t *kiblnd_dev_search(char *ifname)
{
kib_dev_t *alias = NULL;
kib_dev_t *dev;
char *colon;
char *colon2;
kib_dev_t *alias = NULL;
kib_dev_t *dev;
char *colon;
char *colon2;
colon = strchr(ifname, ':');
list_for_each_entry(dev, &kiblnd_data.kib_devs, ibd_list) {
@@ -2992,13 +2988,13 @@ static kib_dev_t *kiblnd_dev_search(char *ifname)
int kiblnd_startup(lnet_ni_t *ni)
{
char *ifname;
kib_dev_t *ibdev = NULL;
kib_net_t *net;
struct timeval tv;
unsigned long flags;
int rc;
int newdev;
char *ifname;
kib_dev_t *ibdev = NULL;
kib_net_t *net;
struct timeval tv;
unsigned long flags;
int rc;
int newdev;
LASSERT(ni->ni_lnd == &the_o2iblnd);
@@ -3091,7 +3087,7 @@ static void __exit kiblnd_module_fini(void)
static int __init kiblnd_module_init(void)
{
int rc;
int rc;
CLASSERT(sizeof(kib_msg_t) <= IBLND_MSG_SIZE);
CLASSERT(offsetof(kib_msg_t,

670
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h
View File

@@ -80,42 +80,47 @@
#define IBLND_N_SCHED_HIGH 4
typedef struct {
int *kib_dev_failover; /* HCA failover */
unsigned int *kib_service; /* IB service number */
int *kib_min_reconnect_interval; /* first failed connection retry... */
int *kib_max_reconnect_interval; /* ...exponentially increasing to this */
int *kib_cksum; /* checksum kib_msg_t? */
int *kib_timeout; /* comms timeout (seconds) */
int *kib_keepalive; /* keepalive timeout (seconds) */
int *kib_ntx; /* # tx descs */
int *kib_credits; /* # concurrent sends */
int *kib_peertxcredits; /* # concurrent sends to 1 peer */
int *kib_peerrtrcredits; /* # per-peer router buffer credits */
int *kib_peercredits_hiw; /* # when eagerly to return credits */
int *kib_peertimeout; /* seconds to consider peer dead */
char **kib_default_ipif; /* default IPoIB interface */
int *kib_retry_count;
int *kib_rnr_retry_count;
int *kib_concurrent_sends; /* send work queue sizing */
int *kib_ib_mtu; /* IB MTU */
int *kib_map_on_demand; /* map-on-demand if RD has more fragments
* than this value, 0 disable map-on-demand */
int *kib_pmr_pool_size; /* # physical MR in pool */
int *kib_fmr_pool_size; /* # FMRs in pool */
int *kib_fmr_flush_trigger; /* When to trigger FMR flush */
int *kib_fmr_cache; /* enable FMR pool cache? */
int *kib_require_priv_port;/* accept only privileged ports */
int *kib_use_priv_port; /* use privileged port for active connect */
/* # threads on each CPT */
int *kib_nscheds;
int *kib_dev_failover; /* HCA failover */
unsigned int *kib_service; /* IB service number */
int *kib_min_reconnect_interval; /* first failed connection
* retry... */
int *kib_max_reconnect_interval; /* ...exponentially increasing
* to this */
int *kib_cksum; /* checksum kib_msg_t? */
int *kib_timeout; /* comms timeout (seconds) */
int *kib_keepalive; /* keepalive timeout (seconds) */
int *kib_ntx; /* # tx descs */
int *kib_credits; /* # concurrent sends */
int *kib_peertxcredits; /* # concurrent sends to 1 peer */
int *kib_peerrtrcredits; /* # per-peer router buffer
* credits */
int *kib_peercredits_hiw; /* # when eagerly to return
* credits */
int *kib_peertimeout; /* seconds to consider peer dead */
char **kib_default_ipif; /* default IPoIB interface */
int *kib_retry_count;
int *kib_rnr_retry_count;
int *kib_concurrent_sends; /* send work queue sizing */
int *kib_ib_mtu; /* IB MTU */
int *kib_map_on_demand; /* map-on-demand if RD has more
* fragments than this value, 0
* disable map-on-demand */
int *kib_pmr_pool_size; /* # physical MR in pool */
int *kib_fmr_pool_size; /* # FMRs in pool */
int *kib_fmr_flush_trigger; /* When to trigger FMR flush */
int *kib_fmr_cache; /* enable FMR pool cache? */
int *kib_require_priv_port; /* accept only privileged ports */
int *kib_use_priv_port; /* use privileged port for active
* connect */
int *kib_nscheds; /* # threads on each CPT */
} kib_tunables_t;
extern kib_tunables_t kiblnd_tunables;
#define IBLND_MSG_QUEUE_SIZE_V1 8 /* V1 only : # messages/RDMAs in-flight */
#define IBLND_CREDIT_HIGHWATER_V1 7 /* V1 only : when eagerly to return credits */
#define IBLND_MSG_QUEUE_SIZE_V1 8 /* V1 only : # messages/RDMAs in-flight */
#define IBLND_CREDIT_HIGHWATER_V1 7 /* V1 only : when eagerly to return credits */
#define IBLND_CREDITS_DEFAULT 8 /* default # of peer credits */
#define IBLND_CREDITS_DEFAULT 8 /* default # of peer credits */
#define IBLND_CREDITS_MAX ((typeof(((kib_msg_t*) 0)->ibm_credits)) - 1) /* Max # of peer credits */
#define IBLND_MSG_QUEUE_SIZE(v) ((v) == IBLND_MSG_VERSION_1 ? \
@@ -186,34 +191,36 @@ struct kib_hca_dev;
#endif
typedef struct {
struct list_head ibd_list; /* chain on kib_devs */
struct list_head ibd_fail_list; /* chain on kib_failed_devs */
__u32 ibd_ifip; /* IPoIB interface IP */
/** IPoIB interface name */
char ibd_ifname[KIB_IFNAME_SIZE];
int ibd_nnets; /* # nets extant */
struct list_head ibd_list; /* chain on kib_devs */
struct list_head ibd_fail_list; /* chain on kib_failed_devs */
__u32 ibd_ifip; /* IPoIB interface IP */
unsigned long ibd_next_failover;
int ibd_failed_failover; /* # failover failures */
unsigned int ibd_failover; /* failover in progress */
unsigned int ibd_can_failover; /* IPoIB interface is a bonding master */
struct list_head ibd_nets;
struct kib_hca_dev *ibd_hdev;
/* IPoIB interface name */
char ibd_ifname[KIB_IFNAME_SIZE];
int ibd_nnets; /* # nets extant */
unsigned long ibd_next_failover;
int ibd_failed_failover; /* # failover failures */
unsigned int ibd_failover; /* failover in progress */
unsigned int ibd_can_failover; /* IPoIB interface is a bonding
* master */
struct list_head ibd_nets;
struct kib_hca_dev *ibd_hdev;
} kib_dev_t;
typedef struct kib_hca_dev {
struct rdma_cm_id *ibh_cmid; /* listener cmid */
struct ib_device *ibh_ibdev; /* IB device */
int ibh_page_shift; /* page shift of current HCA */
int ibh_page_size; /* page size of current HCA */
__u64 ibh_page_mask; /* page mask of current HCA */
int ibh_mr_shift; /* bits shift of max MR size */
__u64 ibh_mr_size; /* size of MR */
int ibh_nmrs; /* # of global MRs */
struct ib_mr **ibh_mrs; /* global MR */
struct ib_pd *ibh_pd; /* PD */
kib_dev_t *ibh_dev; /* owner */
atomic_t ibh_ref; /* refcount */
struct rdma_cm_id *ibh_cmid; /* listener cmid */
struct ib_device *ibh_ibdev; /* IB device */
int ibh_page_shift; /* page shift of current HCA */
int ibh_page_size; /* page size of current HCA */
__u64 ibh_page_mask; /* page mask of current HCA */
int ibh_mr_shift; /* bits shift of max MR size */
__u64 ibh_mr_size; /* size of MR */
int ibh_nmrs; /* # of global MRs */
struct ib_mr **ibh_mrs; /* global MR */
struct ib_pd *ibh_pd; /* PD */
kib_dev_t *ibh_dev; /* owner */
atomic_t ibh_ref; /* refcount */
} kib_hca_dev_t;
/** # of seconds to keep pool alive */
@@ -222,19 +229,19 @@ typedef struct kib_hca_dev {
#define IBLND_POOL_RETRY 1
typedef struct {
int ibp_npages; /* # pages */
struct page *ibp_pages[0]; /* page array */
int ibp_npages; /* # pages */
struct page *ibp_pages[0]; /* page array */
} kib_pages_t;
struct kib_pmr_pool;
typedef struct {
struct list_head pmr_list; /* chain node */
struct ib_phys_buf *pmr_ipb; /* physical buffer */
struct ib_mr *pmr_mr; /* IB MR */
struct kib_pmr_pool *pmr_pool; /* owner of this MR */
__u64 pmr_iova; /* Virtual I/O address */
int pmr_refcount; /* reference count */
struct list_head pmr_list; /* chain node */
struct ib_phys_buf *pmr_ipb; /* physical buffer */
struct ib_mr *pmr_mr; /* IB MR */
struct kib_pmr_pool *pmr_pool; /* owner of this MR */
__u64 pmr_iova; /* Virtual I/O address */
int pmr_refcount; /* reference count */
} kib_phys_mr_t;
struct kib_pool;
@@ -251,97 +258,99 @@ struct kib_net;
#define IBLND_POOL_NAME_LEN 32
typedef struct kib_poolset {
spinlock_t ps_lock; /* serialize */
struct kib_net *ps_net; /* network it belongs to */
char ps_name[IBLND_POOL_NAME_LEN]; /* pool set name */
struct list_head ps_pool_list; /* list of pools */
struct list_head ps_failed_pool_list; /* failed pool list */
unsigned long ps_next_retry; /* time stamp for retry if failed to allocate */
int ps_increasing; /* is allocating new pool */
int ps_pool_size; /* new pool size */
int ps_cpt; /* CPT id */
spinlock_t ps_lock; /* serialize */
struct kib_net *ps_net; /* network it belongs to */
char ps_name[IBLND_POOL_NAME_LEN]; /* pool set name */
struct list_head ps_pool_list; /* list of pools */
struct list_head ps_failed_pool_list;/* failed pool list */
unsigned long ps_next_retry; /* time stamp for retry if
* failed to allocate */
int ps_increasing; /* is allocating new pool */
int ps_pool_size; /* new pool size */
int ps_cpt; /* CPT id */
kib_ps_pool_create_t ps_pool_create; /* create a new pool */
kib_ps_pool_destroy_t ps_pool_destroy; /* destroy a pool */
kib_ps_node_init_t ps_node_init; /* initialize new allocated node */
kib_ps_node_fini_t ps_node_fini; /* finalize node */
kib_ps_pool_create_t ps_pool_create; /* create a new pool */
kib_ps_pool_destroy_t ps_pool_destroy; /* destroy a pool */
kib_ps_node_init_t ps_node_init; /* initialize new allocated
* node */
kib_ps_node_fini_t ps_node_fini; /* finalize node */
} kib_poolset_t;
typedef struct kib_pool {
struct list_head po_list; /* chain on pool list */
struct list_head po_free_list; /* pre-allocated node */
kib_poolset_t *po_owner; /* pool_set of this pool */
unsigned long po_deadline; /* deadline of this pool */
int po_allocated; /* # of elements in use */
int po_failed; /* pool is created on failed HCA */
int po_size; /* # of pre-allocated elements */
struct list_head po_list; /* chain on pool list */
struct list_head po_free_list; /* pre-allocated node */
kib_poolset_t *po_owner; /* pool_set of this pool */
unsigned long po_deadline; /* deadline of this pool */
int po_allocated; /* # of elements in use */
int po_failed; /* pool is created on failed
* HCA */
int po_size; /* # of pre-allocated elements */
} kib_pool_t;
typedef struct {
kib_poolset_t tps_poolset; /* pool-set */
__u64 tps_next_tx_cookie; /* cookie of TX */
kib_poolset_t tps_poolset; /* pool-set */
__u64 tps_next_tx_cookie; /* cookie of TX */
} kib_tx_poolset_t;
typedef struct {
kib_pool_t tpo_pool; /* pool */
struct kib_hca_dev *tpo_hdev; /* device for this pool */
struct kib_tx *tpo_tx_descs; /* all the tx descriptors */
kib_pages_t *tpo_tx_pages; /* premapped tx msg pages */
kib_pool_t tpo_pool; /* pool */
struct kib_hca_dev *tpo_hdev; /* device for this pool */
struct kib_tx *tpo_tx_descs; /* all the tx descriptors */
kib_pages_t *tpo_tx_pages; /* premapped tx msg pages */
} kib_tx_pool_t;
typedef struct {
kib_poolset_t pps_poolset; /* pool-set */
kib_poolset_t pps_poolset; /* pool-set */
} kib_pmr_poolset_t;
typedef struct kib_pmr_pool {
struct kib_hca_dev *ppo_hdev; /* device for this pool */
kib_pool_t ppo_pool; /* pool */
struct kib_hca_dev *ppo_hdev; /* device for this pool */
kib_pool_t ppo_pool; /* pool */
} kib_pmr_pool_t;
typedef struct {
spinlock_t fps_lock; /* serialize */
struct kib_net *fps_net; /* IB network */
struct list_head fps_pool_list; /* FMR pool list */
struct list_head fps_failed_pool_list; /* FMR pool list */
__u64 fps_version; /* validity stamp */
int fps_cpt; /* CPT id */
int fps_pool_size;
int fps_flush_trigger;
/* is allocating new pool */
int fps_increasing;
/* time stamp for retry if failed to allocate */
unsigned long fps_next_retry;
spinlock_t fps_lock; /* serialize */
struct kib_net *fps_net; /* IB network */
struct list_head fps_pool_list; /* FMR pool list */
struct list_head fps_failed_pool_list;/* FMR pool list */
__u64 fps_version; /* validity stamp */
int fps_cpt; /* CPT id */
int fps_pool_size;
int fps_flush_trigger;
int fps_increasing; /* is allocating new pool */
unsigned long fps_next_retry; /* time stamp for retry if
* failed to allocate */
} kib_fmr_poolset_t;
typedef struct {
struct list_head fpo_list; /* chain on pool list */
struct kib_hca_dev *fpo_hdev; /* device for this pool */
kib_fmr_poolset_t *fpo_owner; /* owner of this pool */
struct ib_fmr_pool *fpo_fmr_pool; /* IB FMR pool */
unsigned long fpo_deadline; /* deadline of this pool */
int fpo_failed; /* fmr pool is failed */
int fpo_map_count; /* # of mapped FMR */
struct list_head fpo_list; /* chain on pool list */
struct kib_hca_dev *fpo_hdev; /* device for this pool */
kib_fmr_poolset_t *fpo_owner; /* owner of this pool */
struct ib_fmr_pool *fpo_fmr_pool; /* IB FMR pool */
unsigned long fpo_deadline; /* deadline of this pool */
int fpo_failed; /* fmr pool is failed */
int fpo_map_count; /* # of mapped FMR */
} kib_fmr_pool_t;
typedef struct {
struct ib_pool_fmr *fmr_pfmr; /* IB pool fmr */
kib_fmr_pool_t *fmr_pool; /* pool of FMR */
struct ib_pool_fmr *fmr_pfmr; /* IB pool fmr */
kib_fmr_pool_t *fmr_pool; /* pool of FMR */
} kib_fmr_t;
typedef struct kib_net {
struct list_head ibn_list; /* chain on kib_dev_t::ibd_nets */
__u64 ibn_incarnation; /* my epoch */
int ibn_init; /* initialisation state */
int ibn_shutdown; /* shutting down? */
struct list_head ibn_list; /* chain on kib_dev_t::ibd_nets */
__u64 ibn_incarnation;/* my epoch */
int ibn_init; /* initialisation state */
int ibn_shutdown; /* shutting down? */
atomic_t ibn_npeers; /* # peers extant */
atomic_t ibn_nconns; /* # connections extant */
atomic_t ibn_npeers; /* # peers extant */
atomic_t ibn_nconns; /* # connections extant */
kib_tx_poolset_t **ibn_tx_ps; /* tx pool-set */
kib_fmr_poolset_t **ibn_fmr_ps; /* fmr pool-set */
kib_pmr_poolset_t **ibn_pmr_ps; /* pmr pool-set */
kib_tx_poolset_t **ibn_tx_ps; /* tx pool-set */
kib_fmr_poolset_t **ibn_fmr_ps; /* fmr pool-set */
kib_pmr_poolset_t **ibn_pmr_ps; /* pmr pool-set */
kib_dev_t *ibn_dev; /* underlying IB device */
kib_dev_t *ibn_dev; /* underlying IB device */
} kib_net_t;
#define KIB_THREAD_SHIFT 16
@@ -350,51 +359,45 @@ typedef struct kib_net {
#define KIB_THREAD_TID(id) ((id) & ((1UL << KIB_THREAD_SHIFT) - 1))
struct kib_sched_info {
/* serialise */
spinlock_t ibs_lock;
/* schedulers sleep here */
wait_queue_head_t ibs_waitq;
/* conns to check for rx completions */
struct list_head ibs_conns;
/* number of scheduler threads */
int ibs_nthreads;
/* max allowed scheduler threads */
int ibs_nthreads_max;
int ibs_cpt; /* CPT id */
spinlock_t ibs_lock; /* serialise */
wait_queue_head_t ibs_waitq; /* schedulers sleep here */
struct list_head ibs_conns; /* conns to check for rx completions */
int ibs_nthreads; /* number of scheduler threads */
int ibs_nthreads_max; /* max allowed scheduler threads */
int ibs_cpt; /* CPT id */
};
typedef struct {
int kib_init; /* initialisation state */
int kib_shutdown; /* shut down? */
struct list_head kib_devs; /* IB devices extant */
/* list head of failed devices */
struct list_head kib_failed_devs;
/* schedulers sleep here */
wait_queue_head_t kib_failover_waitq;
atomic_t kib_nthreads; /* # live threads */
/* stabilize net/dev/peer/conn ops */
rwlock_t kib_global_lock;
/* hash table of all my known peers */
struct list_head *kib_peers;
/* size of kib_peers */
int kib_peer_hash_size;
/* the connd task (serialisation assertions) */
void *kib_connd;
/* connections to setup/teardown */
struct list_head kib_connd_conns;
/* connections with zero refcount */
struct list_head kib_connd_zombies;
/* connection daemon sleeps here */
wait_queue_head_t kib_connd_waitq;
spinlock_t kib_connd_lock; /* serialise */
struct ib_qp_attr kib_error_qpa; /* QP->ERROR */
/* percpt data for schedulers */
struct kib_sched_info **kib_scheds;
int kib_init; /* initialisation state */
int kib_shutdown; /* shut down? */
struct list_head kib_devs; /* IB devices extant */
struct list_head kib_failed_devs; /* list head of failed
* devices */
wait_queue_head_t kib_failover_waitq; /* schedulers sleep here */
atomic_t kib_nthreads; /* # live threads */
rwlock_t kib_global_lock; /* stabilize net/dev/peer/conn
* ops */
struct list_head *kib_peers; /* hash table of all my known
* peers */
int kib_peer_hash_size; /* size of kib_peers */
void *kib_connd; /* the connd task
* (serialisation assertions)
*/
struct list_head kib_connd_conns; /* connections to
* setup/teardown */
struct list_head kib_connd_zombies; /* connections with zero
* refcount */
wait_queue_head_t kib_connd_waitq; /* connection daemon sleeps
* here */
spinlock_t kib_connd_lock; /* serialise */
struct ib_qp_attr kib_error_qpa; /* QP->ERROR */
struct kib_sched_info **kib_scheds; /* percpt data for schedulers
*/
} kib_data_t;
#define IBLND_INIT_NOTHING 0
#define IBLND_INIT_DATA 1
#define IBLND_INIT_ALL 2
#define IBLND_INIT_NOTHING 0
#define IBLND_INIT_DATA 1
#define IBLND_INIT_ALL 2
/************************************************************************
* IB Wire message format.
@@ -402,228 +405,243 @@ typedef struct {
*/
typedef struct kib_connparams {
__u16 ibcp_queue_depth;
__u16 ibcp_max_frags;
__u32 ibcp_max_msg_size;
__u16 ibcp_queue_depth;
__u16 ibcp_max_frags;
__u32 ibcp_max_msg_size;
} WIRE_ATTR kib_connparams_t;
typedef struct {
lnet_hdr_t ibim_hdr; /* portals header */
char ibim_payload[0]; /* piggy-backed payload */
lnet_hdr_t ibim_hdr; /* portals header */
char ibim_payload[0]; /* piggy-backed payload */
} WIRE_ATTR kib_immediate_msg_t;
typedef struct {
__u32 rf_nob; /* # bytes this frag */
__u64 rf_addr; /* CAVEAT EMPTOR: misaligned!! */
__u32 rf_nob; /* # bytes this frag */
__u64 rf_addr; /* CAVEAT EMPTOR: misaligned!! */
} WIRE_ATTR kib_rdma_frag_t;
typedef struct {
__u32 rd_key; /* local/remote key */
__u32 rd_nfrags; /* # fragments */
kib_rdma_frag_t rd_frags[0]; /* buffer frags */
__u32 rd_key; /* local/remote key */
__u32 rd_nfrags; /* # fragments */
kib_rdma_frag_t rd_frags[0]; /* buffer frags */
} WIRE_ATTR kib_rdma_desc_t;
typedef struct {
lnet_hdr_t ibprm_hdr; /* portals header */
__u64 ibprm_cookie; /* opaque completion cookie */
lnet_hdr_t ibprm_hdr; /* portals header */
__u64 ibprm_cookie; /* opaque completion cookie */
} WIRE_ATTR kib_putreq_msg_t;
typedef struct {
__u64 ibpam_src_cookie; /* reflected completion cookie */
__u64 ibpam_dst_cookie; /* opaque completion cookie */
kib_rdma_desc_t ibpam_rd; /* sender's sink buffer */
__u64 ibpam_src_cookie; /* reflected completion cookie */
__u64 ibpam_dst_cookie; /* opaque completion cookie */
kib_rdma_desc_t ibpam_rd; /* sender's sink buffer */
} WIRE_ATTR kib_putack_msg_t;
typedef struct {
lnet_hdr_t ibgm_hdr; /* portals header */
__u64 ibgm_cookie; /* opaque completion cookie */
kib_rdma_desc_t ibgm_rd; /* rdma descriptor */
lnet_hdr_t ibgm_hdr; /* portals header */
__u64 ibgm_cookie; /* opaque completion cookie */
kib_rdma_desc_t ibgm_rd; /* rdma descriptor */
} WIRE_ATTR kib_get_msg_t;
typedef struct {
__u64 ibcm_cookie; /* opaque completion cookie */
__s32 ibcm_status; /* < 0 failure: >= 0 length */
__u64 ibcm_cookie; /* opaque completion cookie */
__s32 ibcm_status; /* < 0 failure: >= 0 length */
} WIRE_ATTR kib_completion_msg_t;
typedef struct {
/* First 2 fields fixed FOR ALL TIME */
__u32 ibm_magic; /* I'm an ibnal message */
__u16 ibm_version; /* this is my version number */
__u32 ibm_magic; /* I'm an ibnal message */
__u16 ibm_version; /* this is my version number */
__u8 ibm_type; /* msg type */
__u8 ibm_credits; /* returned credits */
__u32 ibm_nob; /* # bytes in whole message */
__u32 ibm_cksum; /* checksum (0 == no checksum) */
__u64 ibm_srcnid; /* sender's NID */
__u64 ibm_srcstamp; /* sender's incarnation */
__u64 ibm_dstnid; /* destination's NID */
__u64 ibm_dststamp; /* destination's incarnation */
__u8 ibm_type; /* msg type */
__u8 ibm_credits; /* returned credits */
__u32 ibm_nob; /* # bytes in whole message */
__u32 ibm_cksum; /* checksum (0 == no checksum) */
__u64 ibm_srcnid; /* sender's NID */
__u64 ibm_srcstamp; /* sender's incarnation */
__u64 ibm_dstnid; /* destination's NID */
__u64 ibm_dststamp; /* destination's incarnation */
union {
kib_connparams_t connparams;
kib_immediate_msg_t immediate;
kib_putreq_msg_t putreq;
kib_putack_msg_t putack;
kib_get_msg_t get;
kib_completion_msg_t completion;
kib_connparams_t connparams;
kib_immediate_msg_t immediate;
kib_putreq_msg_t putreq;
kib_putack_msg_t putack;
kib_get_msg_t get;
kib_completion_msg_t completion;
} WIRE_ATTR ibm_u;
} WIRE_ATTR kib_msg_t;
#define IBLND_MSG_MAGIC LNET_PROTO_IB_MAGIC /* unique magic */
#define IBLND_MSG_MAGIC LNET_PROTO_IB_MAGIC /* unique magic */
#define IBLND_MSG_VERSION_1 0x11
#define IBLND_MSG_VERSION_2 0x12
#define IBLND_MSG_VERSION IBLND_MSG_VERSION_2
#define IBLND_MSG_VERSION_1 0x11
#define IBLND_MSG_VERSION_2 0x12
#define IBLND_MSG_VERSION IBLND_MSG_VERSION_2
#define IBLND_MSG_CONNREQ 0xc0 /* connection request */
#define IBLND_MSG_CONNACK 0xc1 /* connection acknowledge */
#define IBLND_MSG_NOOP 0xd0 /* nothing (just credits) */
#define IBLND_MSG_IMMEDIATE 0xd1 /* immediate */
#define IBLND_MSG_PUT_REQ 0xd2 /* putreq (src->sink) */
#define IBLND_MSG_PUT_NAK 0xd3 /* completion (sink->src) */
#define IBLND_MSG_PUT_ACK 0xd4 /* putack (sink->src) */
#define IBLND_MSG_PUT_DONE 0xd5 /* completion (src->sink) */
#define IBLND_MSG_GET_REQ 0xd6 /* getreq (sink->src) */
#define IBLND_MSG_GET_DONE 0xd7 /* completion (src->sink: all OK) */
#define IBLND_MSG_CONNREQ 0xc0 /* connection request */
#define IBLND_MSG_CONNACK 0xc1 /* connection acknowledge */
#define IBLND_MSG_NOOP 0xd0 /* nothing (just credits) */
#define IBLND_MSG_IMMEDIATE 0xd1 /* immediate */
#define IBLND_MSG_PUT_REQ 0xd2 /* putreq (src->sink) */
#define IBLND_MSG_PUT_NAK 0xd3 /* completion (sink->src) */
#define IBLND_MSG_PUT_ACK 0xd4 /* putack (sink->src) */
#define IBLND_MSG_PUT_DONE 0xd5 /* completion (src->sink) */
#define IBLND_MSG_GET_REQ 0xd6 /* getreq (sink->src) */
#define IBLND_MSG_GET_DONE 0xd7 /* completion (src->sink: all OK) */
typedef struct {
__u32 ibr_magic; /* sender's magic */
__u16 ibr_version; /* sender's version */
__u8 ibr_why; /* reject reason */
__u8 ibr_padding; /* padding */
__u64 ibr_incarnation; /* incarnation of peer */
kib_connparams_t ibr_cp; /* connection parameters */
__u32 ibr_magic; /* sender's magic */
__u16 ibr_version; /* sender's version */
__u8 ibr_why; /* reject reason */
__u8 ibr_padding; /* padding */
__u64 ibr_incarnation; /* incarnation of peer */
kib_connparams_t ibr_cp; /* connection parameters */
} WIRE_ATTR kib_rej_t;
/* connection rejection reasons */
#define IBLND_REJECT_CONN_RACE 1 /* You lost connection race */
#define IBLND_REJECT_NO_RESOURCES 2 /* Out of memory/conns etc */
#define IBLND_REJECT_FATAL 3 /* Anything else */
#define IBLND_REJECT_CONN_UNCOMPAT 4 /* incompatible version peer */
#define IBLND_REJECT_CONN_STALE 5 /* stale peer */
#define IBLND_REJECT_RDMA_FRAGS 6 /* Fatal: peer's rdma frags can't match mine */
#define IBLND_REJECT_MSG_QUEUE_SIZE 7 /* Fatal: peer's msg queue size can't match mine */
#define IBLND_REJECT_CONN_RACE 1 /* You lost connection race */
#define IBLND_REJECT_NO_RESOURCES 2 /* Out of memory/conns etc */
#define IBLND_REJECT_FATAL 3 /* Anything else */
#define IBLND_REJECT_CONN_UNCOMPAT 4 /* incompatible version peer */
#define IBLND_REJECT_CONN_STALE 5 /* stale peer */
#define IBLND_REJECT_RDMA_FRAGS 6 /* Fatal: peer's rdma frags can't match
* mine */
#define IBLND_REJECT_MSG_QUEUE_SIZE 7 /* Fatal: peer's msg queue size can't
* match mine */
/***********************************************************************/
typedef struct kib_rx /* receive message */
typedef struct kib_rx /* receive message */
{
struct list_head rx_list; /* queue for attention */
struct kib_conn *rx_conn; /* owning conn */
int rx_nob; /* # bytes received (-1 while posted) */
enum ib_wc_status rx_status; /* completion status */
kib_msg_t *rx_msg; /* message buffer (host vaddr) */
__u64 rx_msgaddr; /* message buffer (I/O addr) */
DECLARE_PCI_UNMAP_ADDR (rx_msgunmap); /* for dma_unmap_single() */
struct ib_recv_wr rx_wrq; /* receive work item... */
struct ib_sge rx_sge; /* ...and its memory */
struct list_head rx_list; /* queue for attention */
struct kib_conn *rx_conn; /* owning conn */
int rx_nob; /* # bytes received (-1 while
* posted) */
enum ib_wc_status rx_status; /* completion status */
kib_msg_t *rx_msg; /* message buffer (host vaddr) */
__u64 rx_msgaddr; /* message buffer (I/O addr) */
DECLARE_PCI_UNMAP_ADDR (rx_msgunmap); /* for dma_unmap_single() */
struct ib_recv_wr rx_wrq; /* receive work item... */
struct ib_sge rx_sge; /* ...and its memory */
} kib_rx_t;
#define IBLND_POSTRX_DONT_POST 0 /* don't post */
#define IBLND_POSTRX_NO_CREDIT 1 /* post: no credits */
#define IBLND_POSTRX_PEER_CREDIT 2 /* post: give peer back 1 credit */
#define IBLND_POSTRX_RSRVD_CREDIT 3 /* post: give myself back 1 reserved credit */
#define IBLND_POSTRX_DONT_POST 0 /* don't post */
#define IBLND_POSTRX_NO_CREDIT 1 /* post: no credits */
#define IBLND_POSTRX_PEER_CREDIT 2 /* post: give peer back 1 credit */
#define IBLND_POSTRX_RSRVD_CREDIT 3 /* post: give myself back 1 reserved
* credit */
typedef struct kib_tx /* transmit message */
typedef struct kib_tx /* transmit message */
{
struct list_head tx_list; /* queue on idle_txs ibc_tx_queue etc. */
kib_tx_pool_t *tx_pool; /* pool I'm from */
struct kib_conn *tx_conn; /* owning conn */
short tx_sending; /* # tx callbacks outstanding */
short tx_queued; /* queued for sending */
short tx_waiting; /* waiting for peer */
int tx_status; /* LNET completion status */
unsigned long tx_deadline; /* completion deadline */
__u64 tx_cookie; /* completion cookie */
lnet_msg_t *tx_lntmsg[2]; /* lnet msgs to finalize on completion */
kib_msg_t *tx_msg; /* message buffer (host vaddr) */
__u64 tx_msgaddr; /* message buffer (I/O addr) */
DECLARE_PCI_UNMAP_ADDR (tx_msgunmap); /* for dma_unmap_single() */
int tx_nwrq; /* # send work items */
struct ib_send_wr *tx_wrq; /* send work items... */
struct ib_sge *tx_sge; /* ...and their memory */
kib_rdma_desc_t *tx_rd; /* rdma descriptor */
int tx_nfrags; /* # entries in... */
struct scatterlist *tx_frags; /* dma_map_sg descriptor */
__u64 *tx_pages; /* rdma phys page addrs */
struct list_head tx_list; /* queue on idle_txs ibc_tx_queue
* etc. */
kib_tx_pool_t *tx_pool; /* pool I'm from */
struct kib_conn *tx_conn; /* owning conn */
short tx_sending; /* # tx callbacks outstanding */
short tx_queued; /* queued for sending */
short tx_waiting; /* waiting for peer */
int tx_status; /* LNET completion status */
unsigned long tx_deadline; /* completion deadline */
__u64 tx_cookie; /* completion cookie */
lnet_msg_t *tx_lntmsg[2]; /* lnet msgs to finalize on
* completion */
kib_msg_t *tx_msg; /* message buffer (host vaddr) */
__u64 tx_msgaddr; /* message buffer (I/O addr) */
DECLARE_PCI_UNMAP_ADDR (tx_msgunmap); /* for dma_unmap_single() */
int tx_nwrq; /* # send work items */
struct ib_send_wr *tx_wrq; /* send work items... */
struct ib_sge *tx_sge; /* ...and their memory */
kib_rdma_desc_t *tx_rd; /* rdma descriptor */
int tx_nfrags; /* # entries in... */
struct scatterlist *tx_frags; /* dma_map_sg descriptor */
__u64 *tx_pages; /* rdma phys page addrs */
union {
kib_phys_mr_t *pmr; /* MR for physical buffer */
kib_fmr_t fmr; /* FMR */
} tx_u;
int tx_dmadir; /* dma direction */
kib_phys_mr_t *pmr; /* MR for physical buffer */
kib_fmr_t fmr; /* FMR */
} tx_u;
int tx_dmadir; /* dma direction */
} kib_tx_t;
typedef struct kib_connvars {
/* connection-in-progress variables */
kib_msg_t cv_msg;
kib_msg_t cv_msg; /* connection-in-progress variables */
} kib_connvars_t;
typedef struct kib_conn {
struct kib_sched_info *ibc_sched; /* scheduler information */
struct kib_peer *ibc_peer; /* owning peer */
kib_hca_dev_t *ibc_hdev; /* HCA bound on */
struct list_head ibc_list; /* stash on peer's conn list */
struct list_head ibc_sched_list; /* schedule for attention */
__u16 ibc_version; /* version of connection */
__u64 ibc_incarnation; /* which instance of the peer */
atomic_t ibc_refcount; /* # users */
int ibc_state; /* what's happening */
int ibc_nsends_posted; /* # uncompleted sends */
int ibc_noops_posted; /* # uncompleted NOOPs */
int ibc_credits; /* # credits I have */
int ibc_outstanding_credits; /* # credits to return */
int ibc_reserved_credits;/* # ACK/DONE msg credits */
int ibc_comms_error; /* set on comms error */
unsigned int ibc_nrx:16; /* receive buffers owned */
unsigned int ibc_scheduled:1; /* scheduled for attention */
unsigned int ibc_ready:1; /* CQ callback fired */
/* time of last send */
unsigned long ibc_last_send;
/** link chain for kiblnd_check_conns only */
struct list_head ibc_connd_list;
/** rxs completed before ESTABLISHED */
struct list_head ibc_early_rxs;
/** IBLND_MSG_NOOPs for IBLND_MSG_VERSION_1 */
struct list_head ibc_tx_noops;
struct list_head ibc_tx_queue; /* sends that need a credit */
struct list_head ibc_tx_queue_nocred;/* sends that don't need a credit */
struct list_head ibc_tx_queue_rsrvd; /* sends that need to reserve an ACK/DONE msg */
struct list_head ibc_active_txs; /* active tx awaiting completion */
spinlock_t ibc_lock; /* serialise */
kib_rx_t *ibc_rxs; /* the rx descs */
kib_pages_t *ibc_rx_pages; /* premapped rx msg pages */
struct kib_sched_info *ibc_sched; /* scheduler information */
struct kib_peer *ibc_peer; /* owning peer */
kib_hca_dev_t *ibc_hdev; /* HCA bound on */
struct list_head ibc_list; /* stash on peer's conn
* list */
struct list_head ibc_sched_list; /* schedule for attention */
__u16 ibc_version; /* version of connection */
__u64 ibc_incarnation; /* which instance of the
* peer */
atomic_t ibc_refcount; /* # users */
int ibc_state; /* what's happening */
int ibc_nsends_posted; /* # uncompleted sends */
int ibc_noops_posted; /* # uncompleted NOOPs */
int ibc_credits; /* # credits I have */
int ibc_outstanding_credits; /* # credits to return */
int ibc_reserved_credits; /* # ACK/DONE msg credits */
int ibc_comms_error; /* set on comms error */
unsigned int ibc_nrx:16; /* receive buffers owned */
unsigned int ibc_scheduled:1; /* scheduled for attention
*/
unsigned int ibc_ready:1; /* CQ callback fired */
unsigned long ibc_last_send; /* time of last send */
struct list_head ibc_connd_list; /* link chain for
* kiblnd_check_conns only
*/
struct list_head ibc_early_rxs; /* rxs completed before
* ESTABLISHED */
struct list_head ibc_tx_noops; /* IBLND_MSG_NOOPs for
* IBLND_MSG_VERSION_1 */
struct list_head ibc_tx_queue; /* sends that need a credit
*/
struct list_head ibc_tx_queue_nocred; /* sends that don't need a
* credit */
struct list_head ibc_tx_queue_rsrvd; /* sends that need to
* reserve an ACK/DONE msg
*/
struct list_head ibc_active_txs; /* active tx awaiting
* completion */
spinlock_t ibc_lock; /* serialise */
kib_rx_t *ibc_rxs; /* the rx descs */
kib_pages_t *ibc_rx_pages; /* premapped rx msg pages */
struct rdma_cm_id *ibc_cmid; /* CM id */
struct ib_cq *ibc_cq; /* completion queue */
struct rdma_cm_id *ibc_cmid; /* CM id */
struct ib_cq *ibc_cq; /* completion queue */
kib_connvars_t *ibc_connvars; /* in-progress connection state */
kib_connvars_t *ibc_connvars; /* in-progress connection
* state */
} kib_conn_t;
#define IBLND_CONN_INIT 0 /* being initialised */
#define IBLND_CONN_ACTIVE_CONNECT 1 /* active sending req */
#define IBLND_CONN_PASSIVE_WAIT 2 /* passive waiting for rtu */
#define IBLND_CONN_ESTABLISHED 3 /* connection established */
#define IBLND_CONN_CLOSING 4 /* being closed */
#define IBLND_CONN_DISCONNECTED 5 /* disconnected */
#define IBLND_CONN_INIT 0 /* being initialised */
#define IBLND_CONN_ACTIVE_CONNECT 1 /* active sending req */
#define IBLND_CONN_PASSIVE_WAIT 2 /* passive waiting for rtu */
#define IBLND_CONN_ESTABLISHED 3 /* connection established */
#define IBLND_CONN_CLOSING 4 /* being closed */
#define IBLND_CONN_DISCONNECTED 5 /* disconnected */
typedef struct kib_peer {
struct list_head ibp_list; /* stash on global peer list */
lnet_nid_t ibp_nid; /* who's on the other end(s) */
lnet_ni_t *ibp_ni; /* LNet interface */
atomic_t ibp_refcount; /* # users */
struct list_head ibp_conns; /* all active connections */
struct list_head ibp_tx_queue; /* msgs waiting for a conn */
__u16 ibp_version; /* version of peer */
__u64 ibp_incarnation; /* incarnation of peer */
int ibp_connecting; /* current active connection attempts */
int ibp_accepting; /* current passive connection attempts */
int ibp_error; /* errno on closing this peer */
unsigned long ibp_last_alive; /* when (in jiffies) I was last alive */
struct list_head ibp_list; /* stash on global peer list */
lnet_nid_t ibp_nid; /* who's on the other end(s) */
lnet_ni_t *ibp_ni; /* LNet interface */
atomic_t ibp_refcount; /* # users */
struct list_head ibp_conns; /* all active connections */
struct list_head ibp_tx_queue; /* msgs waiting for a conn */
__u16 ibp_version; /* version of peer */
__u64 ibp_incarnation; /* incarnation of peer */
int ibp_connecting; /* current active connection attempts
*/
int ibp_accepting; /* current passive connection attempts
*/
int ibp_error; /* errno on closing this peer */
unsigned long ibp_last_alive; /* when (in jiffies) I was last alive
*/
} kib_peer_t;
extern kib_data_t kiblnd_data;
extern kib_data_t kiblnd_data;
extern void kiblnd_hdev_destroy(kib_hca_dev_t *hdev);
@@ -941,8 +959,8 @@ static inline unsigned int kiblnd_sg_dma_len(struct ib_device *dev,
* right because OFED1.2 defines it as const, to use it we have to add
* (void *) cast to overcome "const" */
#define KIBLND_CONN_PARAM(e) ((e)->param.conn.private_data)
#define KIBLND_CONN_PARAM_LEN(e) ((e)->param.conn.private_data_len)
#define KIBLND_CONN_PARAM(e) ((e)->param.conn.private_data)
#define KIBLND_CONN_PARAM_LEN(e) ((e)->param.conn.private_data_len)
struct ib_mr *kiblnd_find_rd_dma_mr(kib_hca_dev_t *hdev,

484
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c
View File

@@ -44,9 +44,9 @@ static void
kiblnd_tx_done(lnet_ni_t *ni, kib_tx_t *tx)
{
lnet_msg_t *lntmsg[2];
kib_net_t *net = ni->ni_data;
int rc;
int i;
kib_net_t *net = ni->ni_data;
int rc;
int i;
LASSERT(net != NULL);
LASSERT(!in_interrupt());
@@ -102,10 +102,10 @@ kiblnd_txlist_done(lnet_ni_t *ni, struct list_head *txlist, int status)
static kib_tx_t *
kiblnd_get_idle_tx(lnet_ni_t *ni, lnet_nid_t target)
{
kib_net_t *net = (kib_net_t *)ni->ni_data;
struct list_head *node;
kib_tx_t *tx;
kib_tx_poolset_t *tps;
kib_net_t *net = (kib_net_t *)ni->ni_data;
struct list_head *node;
kib_tx_t *tx;
kib_tx_poolset_t *tps;
tps = net->ibn_tx_ps[lnet_cpt_of_nid(target)];
node = kiblnd_pool_alloc_node(&tps->tps_poolset);
@@ -130,9 +130,9 @@ kiblnd_get_idle_tx(lnet_ni_t *ni, lnet_nid_t target)
static void
kiblnd_drop_rx(kib_rx_t *rx)
{
kib_conn_t *conn = rx->rx_conn;
struct kib_sched_info *sched = conn->ibc_sched;
unsigned long flags;
kib_conn_t *conn = rx->rx_conn;
struct kib_sched_info *sched = conn->ibc_sched;
unsigned long flags;
spin_lock_irqsave(&sched->ibs_lock, flags);
LASSERT(conn->ibc_nrx > 0);
@@ -145,11 +145,11 @@ kiblnd_drop_rx(kib_rx_t *rx)
int
kiblnd_post_rx(kib_rx_t *rx, int credit)
{
kib_conn_t *conn = rx->rx_conn;
kib_net_t *net = conn->ibc_peer->ibp_ni->ni_data;
struct ib_recv_wr *bad_wrq = NULL;
struct ib_mr *mr;
int rc;
kib_conn_t *conn = rx->rx_conn;
kib_net_t *net = conn->ibc_peer->ibp_ni->ni_data;
struct ib_recv_wr *bad_wrq = NULL;
struct ib_mr *mr;
int rc;
LASSERT(net != NULL);
LASSERT(!in_interrupt());
@@ -164,10 +164,10 @@ kiblnd_post_rx(kib_rx_t *rx, int credit)
rx->rx_sge.addr = rx->rx_msgaddr;
rx->rx_sge.length = IBLND_MSG_SIZE;
rx->rx_wrq.next = NULL;
rx->rx_wrq.next = NULL;
rx->rx_wrq.sg_list = &rx->rx_sge;
rx->rx_wrq.num_sge = 1;
rx->rx_wrq.wr_id = kiblnd_ptr2wreqid(rx, IBLND_WID_RX);
rx->rx_wrq.wr_id = kiblnd_ptr2wreqid(rx, IBLND_WID_RX);
LASSERT(conn->ibc_state >= IBLND_CONN_INIT);
LASSERT(rx->rx_nob >= 0); /* not posted */
@@ -212,7 +212,7 @@ kiblnd_post_rx(kib_rx_t *rx, int credit)
static kib_tx_t *
kiblnd_find_waiting_tx_locked(kib_conn_t *conn, int txtype, __u64 cookie)
{
struct list_head *tmp;
struct list_head *tmp;
list_for_each(tmp, &conn->ibc_active_txs) {
kib_tx_t *tx = list_entry(tmp, kib_tx_t, tx_list);
@@ -237,9 +237,9 @@ kiblnd_find_waiting_tx_locked(kib_conn_t *conn, int txtype, __u64 cookie)
static void
kiblnd_handle_completion(kib_conn_t *conn, int txtype, int status, __u64 cookie)
{
kib_tx_t *tx;
lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
int idle;
kib_tx_t *tx;
lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
int idle;
spin_lock(&conn->ibc_lock);
@@ -276,8 +276,8 @@ kiblnd_handle_completion(kib_conn_t *conn, int txtype, int status, __u64 cookie)
static void
kiblnd_send_completion(kib_conn_t *conn, int type, int status, __u64 cookie)
{
lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
kib_tx_t *tx = kiblnd_get_idle_tx(ni, conn->ibc_peer->ibp_nid);
lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
kib_tx_t *tx = kiblnd_get_idle_tx(ni, conn->ibc_peer->ibp_nid);
if (tx == NULL) {
CERROR("Can't get tx for completion %x for %s\n",
@@ -295,14 +295,14 @@ kiblnd_send_completion(kib_conn_t *conn, int type, int status, __u64 cookie)
static void
kiblnd_handle_rx(kib_rx_t *rx)
{
kib_msg_t *msg = rx->rx_msg;
kib_conn_t *conn = rx->rx_conn;
lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
int credits = msg->ibm_credits;
kib_tx_t *tx;
int rc = 0;
int rc2;
int post_credit;
kib_msg_t *msg = rx->rx_msg;
kib_conn_t *conn = rx->rx_conn;
lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
int credits = msg->ibm_credits;
kib_tx_t *tx;
int rc = 0;
int rc2;
int post_credit;
LASSERT(conn->ibc_state >= IBLND_CONN_ESTABLISHED);
@@ -456,12 +456,12 @@ kiblnd_handle_rx(kib_rx_t *rx)
static void
kiblnd_rx_complete(kib_rx_t *rx, int status, int nob)
{
kib_msg_t *msg = rx->rx_msg;
kib_conn_t *conn = rx->rx_conn;
lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
kib_net_t *net = ni->ni_data;
int rc;
int err = -EIO;
kib_msg_t *msg = rx->rx_msg;
kib_conn_t *conn = rx->rx_conn;
lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
kib_net_t *net = ni->ni_data;
int rc;
int err = -EIO;
LASSERT(net != NULL);
LASSERT(rx->rx_nob < 0); /* was posted */
@@ -502,8 +502,8 @@ kiblnd_rx_complete(kib_rx_t *rx, int status, int nob)
/* racing with connection establishment/teardown! */
if (conn->ibc_state < IBLND_CONN_ESTABLISHED) {
rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
unsigned long flags;
rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
unsigned long flags;
write_lock_irqsave(g_lock, flags);
/* must check holding global lock to eliminate race */
@@ -550,19 +550,19 @@ kiblnd_kvaddr_to_page(unsigned long vaddr)
static int
kiblnd_fmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
{
kib_hca_dev_t *hdev;
__u64 *pages = tx->tx_pages;
kib_fmr_poolset_t *fps;
int npages;
int size;
int cpt;
int rc;
int i;
kib_hca_dev_t *hdev;
__u64 *pages = tx->tx_pages;
kib_fmr_poolset_t *fps;
int npages;
int size;
int cpt;
int rc;
int i;
LASSERT(tx->tx_pool != NULL);
LASSERT(tx->tx_pool->tpo_pool.po_owner != NULL);
hdev = tx->tx_pool->tpo_hdev;
hdev = tx->tx_pool->tpo_hdev;
for (i = 0, npages = 0; i < rd->rd_nfrags; i++) {
for (size = 0; size < rd->rd_frags[i].rf_nob;
@@ -586,7 +586,7 @@ kiblnd_fmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
rd->rd_key = (rd != tx->tx_rd) ? tx->tx_u.fmr.fmr_pfmr->fmr->rkey :
tx->tx_u.fmr.fmr_pfmr->fmr->lkey;
rd->rd_frags[0].rf_addr &= ~hdev->ibh_page_mask;
rd->rd_frags[0].rf_nob = nob;
rd->rd_frags[0].rf_nob = nob;
rd->rd_nfrags = 1;
return 0;
@@ -595,11 +595,11 @@ kiblnd_fmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
static int
kiblnd_pmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
{
kib_hca_dev_t *hdev;
kib_pmr_poolset_t *pps;
__u64 iova;
int cpt;
int rc;
kib_hca_dev_t *hdev;
kib_pmr_poolset_t *pps;
__u64 iova;
int cpt;
int rc;
LASSERT(tx->tx_pool != NULL);
LASSERT(tx->tx_pool->tpo_pool.po_owner != NULL);
@@ -623,7 +623,7 @@ kiblnd_pmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
tx->tx_u.pmr->pmr_mr->lkey;
rd->rd_nfrags = 1;
rd->rd_frags[0].rf_addr = iova;
rd->rd_frags[0].rf_nob = nob;
rd->rd_frags[0].rf_nob = nob;
return 0;
}
@@ -631,7 +631,7 @@ kiblnd_pmr_map_tx(kib_net_t *net, kib_tx_t *tx, kib_rdma_desc_t *rd, int nob)
void
kiblnd_unmap_tx(lnet_ni_t *ni, kib_tx_t *tx)
{
kib_net_t *net = ni->ni_data;
kib_net_t *net = ni->ni_data;
LASSERT(net != NULL);
@@ -655,20 +655,19 @@ int
kiblnd_map_tx(lnet_ni_t *ni, kib_tx_t *tx,
kib_rdma_desc_t *rd, int nfrags)
{
kib_hca_dev_t *hdev = tx->tx_pool->tpo_hdev;
kib_net_t *net = ni->ni_data;
struct ib_mr *mr = NULL;
__u32 nob;
int i;
kib_hca_dev_t *hdev = tx->tx_pool->tpo_hdev;
kib_net_t *net = ni->ni_data;
struct ib_mr *mr = NULL;
__u32 nob;
int i;
/* If rd is not tx_rd, it's going to get sent to a peer and I'm the
* RDMA sink */
tx->tx_dmadir = (rd != tx->tx_rd) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
tx->tx_nfrags = nfrags;
rd->rd_nfrags =
kiblnd_dma_map_sg(hdev->ibh_ibdev,
tx->tx_frags, tx->tx_nfrags, tx->tx_dmadir);
rd->rd_nfrags = kiblnd_dma_map_sg(hdev->ibh_ibdev, tx->tx_frags,
tx->tx_nfrags, tx->tx_dmadir);
for (i = 0, nob = 0; i < rd->rd_nfrags; i++) {
rd->rd_frags[i].rf_nob = kiblnd_sg_dma_len(
@@ -699,12 +698,12 @@ static int
kiblnd_setup_rd_iov(lnet_ni_t *ni, kib_tx_t *tx, kib_rdma_desc_t *rd,
unsigned int niov, struct kvec *iov, int offset, int nob)
{
kib_net_t *net = ni->ni_data;
struct page *page;
kib_net_t *net = ni->ni_data;
struct page *page;
struct scatterlist *sg;
unsigned long vaddr;
int fragnob;
int page_offset;
unsigned long vaddr;
int fragnob;
int page_offset;
LASSERT(nob > 0);
LASSERT(niov > 0);
@@ -752,9 +751,9 @@ static int
kiblnd_setup_rd_kiov(lnet_ni_t *ni, kib_tx_t *tx, kib_rdma_desc_t *rd,
int nkiov, lnet_kiov_t *kiov, int offset, int nob)
{
kib_net_t *net = ni->ni_data;
kib_net_t *net = ni->ni_data;
struct scatterlist *sg;
int fragnob;
int fragnob;
CDEBUG(D_NET, "niov %d offset %d nob %d\n", nkiov, offset, nob);
@@ -793,11 +792,11 @@ kiblnd_post_tx_locked(kib_conn_t *conn, kib_tx_t *tx, int credit)
__releases(conn->ibc_lock)
__acquires(conn->ibc_lock)
{
kib_msg_t *msg = tx->tx_msg;
kib_peer_t *peer = conn->ibc_peer;
int ver = conn->ibc_version;
int rc;
int done;
kib_msg_t *msg = tx->tx_msg;
kib_peer_t *peer = conn->ibc_peer;
int ver = conn->ibc_version;
int rc;
int done;
struct ib_send_wr *bad_wrq;
LASSERT(tx->tx_queued);
@@ -878,8 +877,7 @@ kiblnd_post_tx_locked(kib_conn_t *conn, kib_tx_t *tx, int credit)
/* close_conn will launch failover */
rc = -ENETDOWN;
} else {
rc = ib_post_send(conn->ibc_cmid->qp,
tx->tx_wrq, &bad_wrq);
rc = ib_post_send(conn->ibc_cmid->qp, tx->tx_wrq, &bad_wrq);
}
conn->ibc_last_send = jiffies;
@@ -925,9 +923,9 @@ kiblnd_post_tx_locked(kib_conn_t *conn, kib_tx_t *tx, int credit)
void
kiblnd_check_sends(kib_conn_t *conn)
{
int ver = conn->ibc_version;
int ver = conn->ibc_version;
lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
kib_tx_t *tx;
kib_tx_t *tx;
/* Don't send anything until after the connection is established */
if (conn->ibc_state < IBLND_CONN_ESTABLISHED) {
@@ -997,9 +995,9 @@ kiblnd_check_sends(kib_conn_t *conn)
static void
kiblnd_tx_complete(kib_tx_t *tx, int status)
{
int failed = (status != IB_WC_SUCCESS);
kib_conn_t *conn = tx->tx_conn;
int idle;
int failed = (status != IB_WC_SUCCESS);
kib_conn_t *conn = tx->tx_conn;
int idle;
LASSERT(tx->tx_sending > 0);
@@ -1051,11 +1049,11 @@ kiblnd_tx_complete(kib_tx_t *tx, int status)
void
kiblnd_init_tx_msg(lnet_ni_t *ni, kib_tx_t *tx, int type, int body_nob)
{
kib_hca_dev_t *hdev = tx->tx_pool->tpo_hdev;
struct ib_sge *sge = &tx->tx_sge[tx->tx_nwrq];
kib_hca_dev_t *hdev = tx->tx_pool->tpo_hdev;
struct ib_sge *sge = &tx->tx_sge[tx->tx_nwrq];
struct ib_send_wr *wrq = &tx->tx_wrq[tx->tx_nwrq];
int nob = offsetof(kib_msg_t, ibm_u) + body_nob;
struct ib_mr *mr;
int nob = offsetof(kib_msg_t, ibm_u) + body_nob;
struct ib_mr *mr;
LASSERT(tx->tx_nwrq >= 0);
LASSERT(tx->tx_nwrq < IBLND_MAX_RDMA_FRAGS + 1);
@@ -1086,14 +1084,14 @@ int
kiblnd_init_rdma(kib_conn_t *conn, kib_tx_t *tx, int type,
int resid, kib_rdma_desc_t *dstrd, __u64 dstcookie)
{
kib_msg_t *ibmsg = tx->tx_msg;
kib_rdma_desc_t *srcrd = tx->tx_rd;
struct ib_sge *sge = &tx->tx_sge[0];
kib_msg_t *ibmsg = tx->tx_msg;
kib_rdma_desc_t *srcrd = tx->tx_rd;
struct ib_sge *sge = &tx->tx_sge[0];
struct ib_send_wr *wrq = &tx->tx_wrq[0];
int rc = resid;
int srcidx;
int dstidx;
int wrknob;
int rc = resid;
int srcidx;
int dstidx;
int wrknob;
LASSERT(!in_interrupt());
LASSERT(tx->tx_nwrq == 0);
@@ -1144,7 +1142,7 @@ kiblnd_init_rdma(kib_conn_t *conn, kib_tx_t *tx, int type,
wrq->send_flags = 0;
wrq->wr.rdma.remote_addr = kiblnd_rd_frag_addr(dstrd, dstidx);
wrq->wr.rdma.rkey = kiblnd_rd_frag_key(dstrd, dstidx);
wrq->wr.rdma.rkey = kiblnd_rd_frag_key(dstrd, dstidx);
srcidx = kiblnd_rd_consume_frag(srcrd, srcidx, wrknob);
dstidx = kiblnd_rd_consume_frag(dstrd, dstidx, wrknob);
@@ -1170,7 +1168,7 @@ kiblnd_init_rdma(kib_conn_t *conn, kib_tx_t *tx, int type,
void
kiblnd_queue_tx_locked(kib_tx_t *tx, kib_conn_t *conn)
{
struct list_head *q;
struct list_head *q;
LASSERT(tx->tx_nwrq > 0); /* work items set up */
LASSERT(!tx->tx_queued); /* not queued for sending already */
@@ -1271,11 +1269,11 @@ static void
kiblnd_connect_peer(kib_peer_t *peer)
{
struct rdma_cm_id *cmid;
kib_dev_t *dev;
kib_net_t *net = peer->ibp_ni->ni_data;
kib_dev_t *dev;
kib_net_t *net = peer->ibp_ni->ni_data;
struct sockaddr_in srcaddr;
struct sockaddr_in dstaddr;
int rc;
int rc;
LASSERT(net != NULL);
LASSERT(peer->ibp_connecting > 0);
@@ -1335,12 +1333,12 @@ kiblnd_connect_peer(kib_peer_t *peer)
void
kiblnd_launch_tx(lnet_ni_t *ni, kib_tx_t *tx, lnet_nid_t nid)
{
kib_peer_t *peer;
kib_peer_t *peer2;
kib_conn_t *conn;
rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
unsigned long flags;
int rc;
kib_peer_t *peer;
kib_peer_t *peer2;
kib_conn_t *conn;
rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
unsigned long flags;
int rc;
/* If I get here, I've committed to send, so I complete the tx with
* failure on any problems */
@@ -1456,20 +1454,20 @@ kiblnd_launch_tx(lnet_ni_t *ni, kib_tx_t *tx, lnet_nid_t nid)
int
kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg)
{
lnet_hdr_t *hdr = &lntmsg->msg_hdr;
int type = lntmsg->msg_type;
lnet_hdr_t *hdr = &lntmsg->msg_hdr;
int type = lntmsg->msg_type;
lnet_process_id_t target = lntmsg->msg_target;
int target_is_router = lntmsg->msg_target_is_router;
int routing = lntmsg->msg_routing;
unsigned int payload_niov = lntmsg->msg_niov;
struct kvec *payload_iov = lntmsg->msg_iov;
lnet_kiov_t *payload_kiov = lntmsg->msg_kiov;
unsigned int payload_offset = lntmsg->msg_offset;
unsigned int payload_nob = lntmsg->msg_len;
kib_msg_t *ibmsg;
kib_tx_t *tx;
int nob;
int rc;
int target_is_router = lntmsg->msg_target_is_router;
int routing = lntmsg->msg_routing;
unsigned int payload_niov = lntmsg->msg_niov;
struct kvec *payload_iov = lntmsg->msg_iov;
lnet_kiov_t *payload_kiov = lntmsg->msg_kiov;
unsigned int payload_offset = lntmsg->msg_offset;
unsigned int payload_nob = lntmsg->msg_len;
kib_msg_t *ibmsg;
kib_tx_t *tx;
int nob;
int rc;
/* NB 'private' is different depending on what we're sending.... */
@@ -1628,13 +1626,13 @@ static void
kiblnd_reply(lnet_ni_t *ni, kib_rx_t *rx, lnet_msg_t *lntmsg)
{
lnet_process_id_t target = lntmsg->msg_target;
unsigned int niov = lntmsg->msg_niov;
struct kvec *iov = lntmsg->msg_iov;
lnet_kiov_t *kiov = lntmsg->msg_kiov;
unsigned int offset = lntmsg->msg_offset;
unsigned int nob = lntmsg->msg_len;
kib_tx_t *tx;
int rc;
unsigned int niov = lntmsg->msg_niov;
struct kvec *iov = lntmsg->msg_iov;
lnet_kiov_t *kiov = lntmsg->msg_kiov;
unsigned int offset = lntmsg->msg_offset;
unsigned int nob = lntmsg->msg_len;
kib_tx_t *tx;
int rc;
tx = kiblnd_get_idle_tx(ni, rx->rx_conn->ibc_peer->ibp_nid);
if (tx == NULL) {
@@ -1691,14 +1689,14 @@ kiblnd_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg, int delayed,
unsigned int niov, struct kvec *iov, lnet_kiov_t *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen)
{
kib_rx_t *rx = private;
kib_msg_t *rxmsg = rx->rx_msg;
kib_conn_t *conn = rx->rx_conn;
kib_tx_t *tx;
kib_msg_t *txmsg;
int nob;
int post_credit = IBLND_POSTRX_PEER_CREDIT;
int rc = 0;
kib_rx_t *rx = private;
kib_msg_t *rxmsg = rx->rx_msg;
kib_conn_t *conn = rx->rx_conn;
kib_tx_t *tx;
kib_msg_t *txmsg;
int nob;
int post_credit = IBLND_POSTRX_PEER_CREDIT;
int rc = 0;
LASSERT(mlen <= rlen);
LASSERT(!in_interrupt());
@@ -1828,8 +1826,8 @@ kiblnd_peer_alive(kib_peer_t *peer)
static void
kiblnd_peer_notify(kib_peer_t *peer)
{
int error = 0;
unsigned long last_alive = 0;
int error = 0;
unsigned long last_alive = 0;
unsigned long flags;
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
@@ -1860,9 +1858,9 @@ kiblnd_close_conn_locked(kib_conn_t *conn, int error)
* connection to be finished off by the connd. Otherwise the connd is
* already dealing with it (either to set it up or tear it down).
* Caller holds kib_global_lock exclusively in irq context */
kib_peer_t *peer = conn->ibc_peer;
kib_dev_t *dev;
unsigned long flags;
kib_peer_t *peer = conn->ibc_peer;
kib_dev_t *dev;
unsigned long flags;
LASSERT(error != 0 || conn->ibc_state >= IBLND_CONN_ESTABLISHED);
@@ -1934,8 +1932,8 @@ kiblnd_close_conn(kib_conn_t *conn, int error)
static void
kiblnd_handle_early_rxs(kib_conn_t *conn)
{
unsigned long flags;
kib_rx_t *rx;
unsigned long flags;
kib_rx_t *rx;
kib_rx_t *tmp;
LASSERT(!in_interrupt());
@@ -1957,9 +1955,9 @@ static void
kiblnd_abort_txs(kib_conn_t *conn, struct list_head *txs)
{
LIST_HEAD(zombies);
struct list_head *tmp;
struct list_head *nxt;
kib_tx_t *tx;
struct list_head *tmp;
struct list_head *nxt;
kib_tx_t *tx;
spin_lock(&conn->ibc_lock);
@@ -2018,7 +2016,7 @@ void
kiblnd_peer_connect_failed(kib_peer_t *peer, int active, int error)
{
LIST_HEAD(zombies);
unsigned long flags;
unsigned long flags;
LASSERT(error != 0);
LASSERT(!in_interrupt());
@@ -2071,12 +2069,12 @@ kiblnd_peer_connect_failed(kib_peer_t *peer, int active, int error)
void
kiblnd_connreq_done(kib_conn_t *conn, int status)
{
kib_peer_t *peer = conn->ibc_peer;
kib_tx_t *tx;
kib_peer_t *peer = conn->ibc_peer;
kib_tx_t *tx;
kib_tx_t *tmp;
struct list_head txs;
unsigned long flags;
int active;
struct list_head txs;
unsigned long flags;
int active;
active = (conn->ibc_state == IBLND_CONN_ACTIVE_CONNECT);
@@ -2166,7 +2164,7 @@ kiblnd_connreq_done(kib_conn_t *conn, int status)
static void
kiblnd_reject(struct rdma_cm_id *cmid, kib_rej_t *rej)
{
int rc;
int rc;
rc = rdma_reject(cmid, rej, sizeof(*rej));
@@ -2177,22 +2175,22 @@ kiblnd_reject(struct rdma_cm_id *cmid, kib_rej_t *rej)
static int
kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
{
rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
kib_msg_t *reqmsg = priv;
kib_msg_t *ackmsg;
kib_dev_t *ibdev;
kib_peer_t *peer;
kib_peer_t *peer2;
kib_conn_t *conn;
lnet_ni_t *ni = NULL;
kib_net_t *net = NULL;
lnet_nid_t nid;
rwlock_t *g_lock = &kiblnd_data.kib_global_lock;
kib_msg_t *reqmsg = priv;
kib_msg_t *ackmsg;
kib_dev_t *ibdev;
kib_peer_t *peer;
kib_peer_t *peer2;
kib_conn_t *conn;
lnet_ni_t *ni = NULL;
kib_net_t *net = NULL;
lnet_nid_t nid;
struct rdma_conn_param cp;
kib_rej_t rej;
int version = IBLND_MSG_VERSION;
unsigned long flags;
int rc;
struct sockaddr_in *peer_addr;
kib_rej_t rej;
int version = IBLND_MSG_VERSION;
unsigned long flags;
int rc;
struct sockaddr_in *peer_addr;
LASSERT(!in_interrupt());
/* cmid inherits 'context' from the corresponding listener id */
@@ -2200,8 +2198,8 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
LASSERT(ibdev != NULL);
memset(&rej, 0, sizeof(rej));
rej.ibr_magic = IBLND_MSG_MAGIC;
rej.ibr_why = IBLND_REJECT_FATAL;
rej.ibr_magic = IBLND_MSG_MAGIC;
rej.ibr_why = IBLND_REJECT_FATAL;
rej.ibr_cp.ibcp_max_msg_size = IBLND_MSG_SIZE;
peer_addr = (struct sockaddr_in *)&(cmid->route.addr.dst_addr);
@@ -2243,7 +2241,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
}
nid = reqmsg->ibm_srcnid;
ni = lnet_net2ni(LNET_NIDNET(reqmsg->ibm_dstnid));
ni = lnet_net2ni(LNET_NIDNET(reqmsg->ibm_dstnid));
if (ni != NULL) {
net = (kib_net_t *)ni->ni_data;
@@ -2394,7 +2392,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
* CM callback doesn't destroy cmid. */
conn->ibc_incarnation = reqmsg->ibm_srcstamp;
conn->ibc_credits = IBLND_MSG_QUEUE_SIZE(version);
conn->ibc_credits = IBLND_MSG_QUEUE_SIZE(version);
conn->ibc_reserved_credits = IBLND_MSG_QUEUE_SIZE(version);
LASSERT(conn->ibc_credits + conn->ibc_reserved_credits + IBLND_OOB_MSGS(version)
<= IBLND_RX_MSGS(version));
@@ -2412,12 +2410,12 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
memset(&cp, 0, sizeof(cp));
cp.private_data = ackmsg;
cp.private_data_len = ackmsg->ibm_nob;
cp.private_data_len = ackmsg->ibm_nob;
cp.responder_resources = 0; /* No atomic ops or RDMA reads */
cp.initiator_depth = 0;
cp.initiator_depth = 0;
cp.flow_control = 1;
cp.retry_count = *kiblnd_tunables.kib_retry_count;
cp.rnr_retry_count = *kiblnd_tunables.kib_rnr_retry_count;
cp.retry_count = *kiblnd_tunables.kib_retry_count;
cp.rnr_retry_count = *kiblnd_tunables.kib_rnr_retry_count;
CDEBUG(D_NET, "Accept %s\n", libcfs_nid2str(nid));
@@ -2439,7 +2437,7 @@ kiblnd_passive_connect(struct rdma_cm_id *cmid, void *priv, int priv_nob)
if (ni != NULL)
lnet_ni_decref(ni);
rej.ibr_version = version;
rej.ibr_version = version;
rej.ibr_cp.ibcp_queue_depth = IBLND_MSG_QUEUE_SIZE(version);
rej.ibr_cp.ibcp_max_frags = IBLND_RDMA_FRAGS(version);
kiblnd_reject(cmid, &rej);
@@ -2451,10 +2449,10 @@ static void
kiblnd_reconnect(kib_conn_t *conn, int version,
__u64 incarnation, int why, kib_connparams_t *cp)
{
kib_peer_t *peer = conn->ibc_peer;
char *reason;
int retry = 0;
unsigned long flags;
kib_peer_t *peer = conn->ibc_peer;
char *reason;
int retry = 0;
unsigned long flags;
LASSERT(conn->ibc_state == IBLND_CONN_ACTIVE_CONNECT);
LASSERT(peer->ibp_connecting > 0); /* 'conn' at least */
@@ -2513,7 +2511,7 @@ kiblnd_reconnect(kib_conn_t *conn, int version,
static void
kiblnd_rejected(kib_conn_t *conn, int reason, void *priv, int priv_nob)
{
kib_peer_t *peer = conn->ibc_peer;
kib_peer_t *peer = conn->ibc_peer;
LASSERT(!in_interrupt());
LASSERT(conn->ibc_state == IBLND_CONN_ACTIVE_CONNECT);
@@ -2532,10 +2530,10 @@ kiblnd_rejected(kib_conn_t *conn, int reason, void *priv, int priv_nob)
case IB_CM_REJ_CONSUMER_DEFINED:
if (priv_nob >= offsetof(kib_rej_t, ibr_padding)) {
kib_rej_t *rej = priv;
kib_connparams_t *cp = NULL;
int flip = 0;
__u64 incarnation = -1;
kib_rej_t *rej = priv;
kib_connparams_t *cp = NULL;
int flip = 0;
__u64 incarnation = -1;
/* NB. default incarnation is -1 because:
* a) V1 will ignore dst incarnation in connreq.
@@ -2652,13 +2650,13 @@ kiblnd_rejected(kib_conn_t *conn, int reason, void *priv, int priv_nob)
static void
kiblnd_check_connreply(kib_conn_t *conn, void *priv, int priv_nob)
{
kib_peer_t *peer = conn->ibc_peer;
lnet_ni_t *ni = peer->ibp_ni;
kib_net_t *net = ni->ni_data;
kib_msg_t *msg = priv;
int ver = conn->ibc_version;
int rc = kiblnd_unpack_msg(msg, priv_nob);
unsigned long flags;
kib_peer_t *peer = conn->ibc_peer;
lnet_ni_t *ni = peer->ibp_ni;
kib_net_t *net = ni->ni_data;
kib_msg_t *msg = priv;
int ver = conn->ibc_version;
int rc = kiblnd_unpack_msg(msg, priv_nob);
unsigned long flags;
LASSERT(net != NULL);
@@ -2726,8 +2724,8 @@ kiblnd_check_connreply(kib_conn_t *conn, void *priv, int priv_nob)
goto failed;
}
conn->ibc_incarnation = msg->ibm_srcstamp;
conn->ibc_credits =
conn->ibc_incarnation = msg->ibm_srcstamp;
conn->ibc_credits =
conn->ibc_reserved_credits = IBLND_MSG_QUEUE_SIZE(ver);
LASSERT(conn->ibc_credits + conn->ibc_reserved_credits + IBLND_OOB_MSGS(ver)
<= IBLND_RX_MSGS(ver));
@@ -2749,20 +2747,20 @@ kiblnd_check_connreply(kib_conn_t *conn, void *priv, int priv_nob)
static int
kiblnd_active_connect(struct rdma_cm_id *cmid)
{
kib_peer_t *peer = (kib_peer_t *)cmid->context;
kib_conn_t *conn;
kib_msg_t *msg;
struct rdma_conn_param cp;
int version;
__u64 incarnation;
unsigned long flags;
int rc;
kib_peer_t *peer = (kib_peer_t *)cmid->context;
kib_conn_t *conn;
kib_msg_t *msg;
struct rdma_conn_param cp;
int version;
__u64 incarnation;
unsigned long flags;
int rc;
read_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
incarnation = peer->ibp_incarnation;
version = (peer->ibp_version == 0) ? IBLND_MSG_VERSION :
peer->ibp_version;
version = (peer->ibp_version == 0) ? IBLND_MSG_VERSION :
peer->ibp_version;
read_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
@@ -2793,8 +2791,8 @@ kiblnd_active_connect(struct rdma_cm_id *cmid)
cp.private_data_len = msg->ibm_nob;
cp.responder_resources = 0; /* No atomic ops or RDMA reads */
cp.initiator_depth = 0;
cp.flow_control = 1;
cp.retry_count = *kiblnd_tunables.kib_retry_count;
cp.flow_control = 1;
cp.retry_count = *kiblnd_tunables.kib_retry_count;
cp.rnr_retry_count = *kiblnd_tunables.kib_rnr_retry_count;
LASSERT(cmid->context == (void *)conn);
@@ -2814,9 +2812,9 @@ kiblnd_active_connect(struct rdma_cm_id *cmid)
int
kiblnd_cm_callback(struct rdma_cm_id *cmid, struct rdma_cm_event *event)
{
kib_peer_t *peer;
kib_conn_t *conn;
int rc;
kib_peer_t *peer;
kib_conn_t *conn;
int rc;
switch (event->event) {
default:
@@ -2983,8 +2981,8 @@ kiblnd_cm_callback(struct rdma_cm_id *cmid, struct rdma_cm_event *event)
static int
kiblnd_check_txs_locked(kib_conn_t *conn, struct list_head *txs)
{
kib_tx_t *tx;
struct list_head *ttmp;
kib_tx_t *tx;
struct list_head *ttmp;
list_for_each(ttmp, txs) {
tx = list_entry(ttmp, kib_tx_t, tx_list);
@@ -3022,13 +3020,13 @@ kiblnd_check_conns(int idx)
{
LIST_HEAD(closes);
LIST_HEAD(checksends);
struct list_head *peers = &kiblnd_data.kib_peers[idx];
struct list_head *ptmp;
kib_peer_t *peer;
kib_conn_t *conn;
struct list_head *peers = &kiblnd_data.kib_peers[idx];
struct list_head *ptmp;
kib_peer_t *peer;
kib_conn_t *conn;
kib_conn_t *tmp;
struct list_head *ctmp;
unsigned long flags;
struct list_head *ctmp;
unsigned long flags;
/* NB. We expect to have a look at all the peers and not find any
* RDMAs to time out, so we just use a shared lock while we
@@ -3114,14 +3112,14 @@ kiblnd_disconnect_conn(kib_conn_t *conn)
int
kiblnd_connd(void *arg)
{
wait_queue_t wait;
unsigned long flags;
kib_conn_t *conn;
int timeout;
int i;
int dropped_lock;
int peer_index = 0;
unsigned long deadline = jiffies;
wait_queue_t wait;
unsigned long flags;
kib_conn_t *conn;
int timeout;
int i;
int dropped_lock;
int peer_index = 0;
unsigned long deadline = jiffies;
cfs_block_allsigs();
@@ -3169,7 +3167,7 @@ kiblnd_connd(void *arg)
if (timeout <= 0) {
const int n = 4;
const int p = 1;
int chunk = kiblnd_data.kib_peer_hash_size;
int chunk = kiblnd_data.kib_peer_hash_size;
spin_unlock_irqrestore(&kiblnd_data.kib_connd_lock, flags);
dropped_lock = 1;
@@ -3273,9 +3271,9 @@ kiblnd_cq_completion(struct ib_cq *cq, void *arg)
* consuming my CQ I could be called after all completions have
* occurred. But in this case, ibc_nrx == 0 && ibc_nsends_posted == 0
* and this CQ is about to be destroyed so I NOOP. */
kib_conn_t *conn = (kib_conn_t *)arg;
struct kib_sched_info *sched = conn->ibc_sched;
unsigned long flags;
kib_conn_t *conn = (kib_conn_t *)arg;
struct kib_sched_info *sched = conn->ibc_sched;
unsigned long flags;
LASSERT(cq == conn->ibc_cq);
@@ -3309,15 +3307,15 @@ kiblnd_cq_event(struct ib_event *event, void *arg)
int
kiblnd_scheduler(void *arg)
{
long id = (long)arg;
struct kib_sched_info *sched;
kib_conn_t *conn;
wait_queue_t wait;
unsigned long flags;
struct ib_wc wc;
int did_something;
int busy_loops = 0;
int rc;
long id = (long)arg;
struct kib_sched_info *sched;
kib_conn_t *conn;
wait_queue_t wait;
unsigned long flags;
struct ib_wc wc;
int did_something;
int busy_loops = 0;
int rc;
cfs_block_allsigs();
@@ -3432,11 +3430,11 @@ kiblnd_scheduler(void *arg)
int
kiblnd_failover_thread(void *arg)
{
rwlock_t *glock = &kiblnd_data.kib_global_lock;
kib_dev_t *dev;
wait_queue_t wait;
unsigned long flags;
int rc;
rwlock_t *glock = &kiblnd_data.kib_global_lock;
kib_dev_t *dev;
wait_queue_t wait;
unsigned long flags;
int rc;
LASSERT(*kiblnd_tunables.kib_dev_failover != 0);
@@ -3446,8 +3444,8 @@ kiblnd_failover_thread(void *arg)
write_lock_irqsave(glock, flags);
while (!kiblnd_data.kib_shutdown) {
int do_failover = 0;
int long_sleep;
int do_failover = 0;
int long_sleep;
list_for_each_entry(dev, &kiblnd_data.kib_failed_devs,
ibd_fail_list) {

48
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_modparams.c
View File

@@ -150,30 +150,30 @@ module_param(use_privileged_port, int, 0644);
MODULE_PARM_DESC(use_privileged_port, "use privileged port when initiating connection");
kib_tunables_t kiblnd_tunables = {
.kib_dev_failover = &dev_failover,
.kib_service = &service,
.kib_cksum = &cksum,
.kib_timeout = &timeout,
.kib_keepalive = &keepalive,
.kib_ntx = &ntx,
.kib_credits = &credits,
.kib_peertxcredits = &peer_credits,
.kib_peercredits_hiw = &peer_credits_hiw,
.kib_peerrtrcredits = &peer_buffer_credits,
.kib_peertimeout = &peer_timeout,
.kib_default_ipif = &ipif_name,
.kib_retry_count = &retry_count,
.kib_rnr_retry_count = &rnr_retry_count,
.kib_concurrent_sends = &concurrent_sends,
.kib_ib_mtu = &ib_mtu,
.kib_map_on_demand = &map_on_demand,
.kib_fmr_pool_size = &fmr_pool_size,
.kib_fmr_flush_trigger = &fmr_flush_trigger,
.kib_fmr_cache = &fmr_cache,
.kib_pmr_pool_size = &pmr_pool_size,
.kib_require_priv_port = &require_privileged_port,
.kib_use_priv_port = &use_privileged_port,
.kib_nscheds = &nscheds
.kib_dev_failover = &dev_failover,
.kib_service = &service,
.kib_cksum = &cksum,
.kib_timeout = &timeout,
.kib_keepalive = &keepalive,
.kib_ntx = &ntx,
.kib_credits = &credits,
.kib_peertxcredits = &peer_credits,
.kib_peercredits_hiw = &peer_credits_hiw,
.kib_peerrtrcredits = &peer_buffer_credits,
.kib_peertimeout = &peer_timeout,
.kib_default_ipif = &ipif_name,
.kib_retry_count = &retry_count,
.kib_rnr_retry_count = &rnr_retry_count,
.kib_concurrent_sends = &concurrent_sends,
.kib_ib_mtu = &ib_mtu,
.kib_map_on_demand = &map_on_demand,
.kib_fmr_pool_size = &fmr_pool_size,
.kib_fmr_flush_trigger = &fmr_flush_trigger,
.kib_fmr_cache = &fmr_cache,
.kib_pmr_pool_size = &pmr_pool_size,
.kib_require_priv_port = &require_privileged_port,
.kib_use_priv_port = &use_privileged_port,
.kib_nscheds = &nscheds
};
int