#include <asm/page.h>
#include <linux/nmi.h>
#include <linux/pagemap.h>
+
+#include <libcfs/linux/linux-mem.h>
+
#include "gnilnd.h"
/* this is useful when needed to debug wire corruption. */
if (CFS_FAIL_CHECK(CFS_FAIL_GNI_ALLOC_TX))
return tx;
- tx = kmem_cache_alloc(kgnilnd_data.kgn_tx_cache, GFP_ATOMIC);
+ tx = kmem_cache_zalloc(kgnilnd_data.kgn_tx_cache, GFP_ATOMIC);
if (tx == NULL) {
CERROR("failed to allocate tx\n");
return NULL;
CDEBUG(D_MALLOC, "slab-alloced 'tx': %lu at %p.\n",
sizeof(*tx), tx);
- /* need this memset, cache alloc'd memory is not cleared */
- memset(tx, 0, sizeof(*tx));
-
/* setup everything here to minimize time under the lock */
tx->tx_buftype = GNILND_BUF_NONE;
tx->tx_msg.gnm_type = GNILND_MSG_NONE;
#define _kgnilnd_cksum(seed, ptr, nob) csum_partial(ptr, nob, seed)
/* we don't use offset as every one is passing a buffer reference that already
- * includes the offset into the base address -
- * see kgnilnd_setup_virt_buffer and kgnilnd_setup_immediate_buffer */
+ * includes the offset into the base address.
+ */
static inline __u16
kgnilnd_cksum(void *ptr, size_t nob)
{
}
__u16
-kgnilnd_cksum_kiov(unsigned int nkiov, lnet_kiov_t *kiov,
- unsigned int offset, unsigned int nob, int dump_blob)
+kgnilnd_cksum_kiov(unsigned int nkiov, struct bio_vec *kiov,
+ unsigned int offset, unsigned int nob, int dump_blob)
{
__wsum cksum = 0;
__wsum tmpck;
/* if loops changes, please change kgnilnd_setup_phys_buffer */
- while (offset >= kiov->kiov_len) {
- offset -= kiov->kiov_len;
+ while (offset >= kiov->bv_len) {
+ offset -= kiov->bv_len;
nkiov--;
kiov++;
LASSERT(nkiov > 0);
}
- /* ignore nob here, if nob < (kiov_len - offset), kiov == 1 */
- odd = (unsigned long) (kiov[0].kiov_len - offset) & 1;
+ /* ignore nob here, if nob < (bv_len - offset), kiov == 1 */
+ odd = (unsigned long) (kiov[0].bv_len - offset) & 1;
if ((odd || *kgnilnd_tunables.kgn_vmap_cksum) && nkiov > 1) {
struct page **pages = kgnilnd_data.kgn_cksum_map_pages[get_cpu()];
get_cpu(), kgnilnd_data.kgn_cksum_map_pages);
CDEBUG(D_BUFFS, "odd %d len %u offset %u nob %u\n",
- odd, kiov[0].kiov_len, offset, nob);
+ odd, kiov[0].bv_len, offset, nob);
for (i = 0; i < nkiov; i++) {
- pages[i] = kiov[i].kiov_page;
+ pages[i] = kiov[i].bv_page;
}
addr = vmap(pages, nkiov, VM_MAP, PAGE_KERNEL);
}
atomic_inc(&kgnilnd_data.kgn_nvmap_cksum);
- tmpck = _kgnilnd_cksum(0, (void *) addr + kiov[0].kiov_offset + offset, nob);
+ tmpck = _kgnilnd_cksum(0, ((void *) addr + kiov[0].bv_offset +
+ offset), nob);
cksum = tmpck;
if (dump_blob) {
kgnilnd_dump_blob(D_BUFFS, "flat kiov RDMA payload",
- (void *)addr + kiov[0].kiov_offset + offset, nob);
+ (void *)addr + kiov[0].bv_offset +
+ offset, nob);
}
CDEBUG(D_BUFFS, "cksum 0x%x (+0x%x) for addr 0x%p+%u len %u offset %u\n",
- cksum, tmpck, addr, kiov[0].kiov_offset, nob, offset);
+ cksum, tmpck, addr, kiov[0].bv_offset, nob, offset);
vunmap(addr);
} else {
do {
- fraglen = min(kiov->kiov_len - offset, nob);
+ fraglen = min(kiov->bv_len - offset, nob);
/* make dang sure we don't send a bogus checksum if somehow we get
* an odd length fragment on anything but the last entry in a kiov -
* we know from kgnilnd_setup_rdma_buffer that we can't have non
* PAGE_SIZE pages in the middle, so if nob < PAGE_SIZE, it is the last one */
LASSERTF(!(fraglen&1) || (nob < PAGE_SIZE),
- "odd fraglen %u on nkiov %d, nob %u kiov_len %u offset %u kiov 0x%p\n",
- fraglen, nkiov, nob, kiov->kiov_len, offset, kiov);
+ "odd fraglen %u on nkiov %d, nob %u bv_len %u offset %u kiov 0x%p\n",
+ fraglen, nkiov, nob, kiov->bv_len,
+ offset, kiov);
- addr = (void *)kmap(kiov->kiov_page) + kiov->kiov_offset + offset;
+ addr = (void *)kmap(kiov->bv_page) + kiov->bv_offset +
+ offset;
tmpck = _kgnilnd_cksum(cksum, addr, fraglen);
CDEBUG(D_BUFFS,
"cksum 0x%x (+0x%x) for page 0x%p+%u (0x%p) len %u offset %u\n",
- cksum, tmpck, kiov->kiov_page, kiov->kiov_offset, addr,
- fraglen, offset);
+ cksum, tmpck, kiov->bv_page, kiov->bv_offset,
+ addr, fraglen, offset);
cksum = tmpck;
if (dump_blob)
kgnilnd_dump_blob(D_BUFFS, "kiov cksum", addr, fraglen);
- kunmap(kiov->kiov_page);
+ kunmap(kiov->bv_page);
kiov++;
nkiov--;
kgnilnd_queue_tx(conn, tx);
}
-int
+static int
kgnilnd_setup_immediate_buffer(kgn_tx_t *tx, unsigned int niov,
- struct kvec *iov, lnet_kiov_t *kiov,
+ struct bio_vec *kiov,
unsigned int offset, unsigned int nob)
{
kgn_msg_t *msg = &tx->tx_msg;
if (nob == 0) {
tx->tx_buffer = NULL;
- } else if (kiov != NULL) {
+ } else {
if ((niov > 0) && unlikely(niov > (nob/PAGE_SIZE))) {
- niov = ((nob + offset + kiov->kiov_offset + PAGE_SIZE - 1) /
- PAGE_SIZE);
+ niov = round_up(nob + offset + kiov->bv_offset,
+ PAGE_SIZE);
}
LASSERTF(niov > 0 && niov < GNILND_MAX_IMMEDIATE/PAGE_SIZE,
- "bad niov %d msg %p kiov %p iov %p offset %d nob%d\n",
- niov, msg, kiov, iov, offset, nob);
+ "bad niov %d msg %p kiov %p offset %d nob%d\n",
+ niov, msg, kiov, offset, nob);
- while (offset >= kiov->kiov_len) {
- offset -= kiov->kiov_len;
+ while (offset >= kiov->bv_len) {
+ offset -= kiov->bv_len;
niov--;
kiov++;
LASSERT(niov > 0);
}
for (i = 0; i < niov; i++) {
- /* We can't have a kiov_offset on anything but the first entry,
- * otherwise we'll have a hole at the end of the mapping as we only map
- * whole pages.
- * Also, if we have a kiov_len < PAGE_SIZE but we need to map more
- * than kiov_len, we will also have a whole at the end of that page
- * which isn't allowed */
- if ((kiov[i].kiov_offset != 0 && i > 0) ||
- (kiov[i].kiov_offset + kiov[i].kiov_len != PAGE_SIZE && i < niov - 1)) {
- CNETERR("Can't make payload contiguous in I/O VM: page %d, offset %u, nob %u, kiov_offset %u, kiov_len %u\n",
- i, offset, nob, kiov->kiov_offset, kiov->kiov_len);
+ /* We can't have a bv_offset on anything but the first
+ * entry, otherwise we'll have a hole at the end of the
+ * mapping as we only map whole pages.
+ * Also, if we have a bv_len < PAGE_SIZE but we need to
+ * map more than bv_len, we will also have a whole at
+ * the end of that page which isn't allowed
+ */
+ if ((kiov[i].bv_offset != 0 && i > 0) ||
+ (kiov[i].bv_offset + kiov[i].bv_len != PAGE_SIZE &&
+ i < niov - 1)) {
+ CNETERR("Can't make payload contiguous in I/O VM:page %d, offset %u, nob %u, bv_offset %u bv_len %u\n",
+ i, offset, nob, kiov->bv_offset,
+ kiov->bv_len);
RETURN(-EINVAL);
}
- tx->tx_imm_pages[i] = kiov[i].kiov_page;
+ tx->tx_imm_pages[i] = kiov[i].bv_page;
}
/* hijack tx_phys for the later unmap */
if (niov == 1) {
/* tx->phyx being equal to NULL is the signal for unmap to discern between kmap and vmap */
tx->tx_phys = NULL;
- tx->tx_buffer = (void *)kmap(tx->tx_imm_pages[0]) + kiov[0].kiov_offset + offset;
+ tx->tx_buffer = (void *)kmap(tx->tx_imm_pages[0]) +
+ kiov[0].bv_offset + offset;
atomic_inc(&kgnilnd_data.kgn_nkmap_short);
GNIDBG_TX(D_NET, tx, "kmapped page for %d bytes for kiov 0x%p, buffer 0x%p",
nob, kiov, tx->tx_buffer);
}
atomic_inc(&kgnilnd_data.kgn_nvmap_short);
- /* make sure we take into account the kiov offset as the start of the buffer */
- tx->tx_buffer = (void *)tx->tx_phys + kiov[0].kiov_offset + offset;
- GNIDBG_TX(D_NET, tx, "mapped %d pages for %d bytes from kiov 0x%p to 0x%p, buffer 0x%p",
- niov, nob, kiov, tx->tx_phys, tx->tx_buffer);
+ /* make sure we take into account the kiov offset as the
+ * start of the buffer
+ */
+ tx->tx_buffer = (void *)tx->tx_phys + kiov[0].bv_offset
+ + offset;
+ GNIDBG_TX(D_NET, tx,
+ "mapped %d pages for %d bytes from kiov 0x%p to 0x%p, buffer 0x%p",
+ niov, nob, kiov, tx->tx_phys, tx->tx_buffer);
}
tx->tx_buftype = GNILND_BUF_IMMEDIATE_KIOV;
tx->tx_nob = nob;
- } else {
- /* For now this is almost identical to kgnilnd_setup_virt_buffer, but we
- * could "flatten" the payload into a single contiguous buffer ready
- * for sending direct over an FMA if we ever needed to. */
-
- LASSERT(niov > 0);
-
- while (offset >= iov->iov_len) {
- offset -= iov->iov_len;
- niov--;
- iov++;
- LASSERT(niov > 0);
- }
-
- if (nob > iov->iov_len - offset) {
- CERROR("Can't handle multiple vaddr fragments\n");
- return -EMSGSIZE;
- }
-
- tx->tx_buffer = (void *)(((unsigned long)iov->iov_base) + offset);
-
- tx->tx_buftype = GNILND_BUF_IMMEDIATE;
- tx->tx_nob = nob;
}
/* checksum payload early - it shouldn't be changing after lnd_send */
}
int
-kgnilnd_setup_virt_buffer(kgn_tx_t *tx,
- unsigned int niov, struct kvec *iov,
- unsigned int offset, unsigned int nob)
-
-{
- LASSERT(nob > 0);
- LASSERT(niov > 0);
- LASSERT(tx->tx_buftype == GNILND_BUF_NONE);
-
- while (offset >= iov->iov_len) {
- offset -= iov->iov_len;
- niov--;
- iov++;
- LASSERT(niov > 0);
- }
-
- if (nob > iov->iov_len - offset) {
- CERROR("Can't handle multiple vaddr fragments\n");
- return -EMSGSIZE;
- }
-
- tx->tx_buftype = GNILND_BUF_VIRT_UNMAPPED;
- tx->tx_nob = nob;
- tx->tx_buffer = (void *)(((unsigned long)iov->iov_base) + offset);
- return 0;
-}
-
-int
-kgnilnd_setup_phys_buffer(kgn_tx_t *tx, int nkiov, lnet_kiov_t *kiov,
+kgnilnd_setup_phys_buffer(kgn_tx_t *tx, int nkiov, struct bio_vec *kiov,
unsigned int offset, unsigned int nob)
{
gni_mem_segment_t *phys;
/* if loops changes, please change kgnilnd_cksum_kiov
* and kgnilnd_setup_immediate_buffer */
- while (offset >= kiov->kiov_len) {
- offset -= kiov->kiov_len;
+ while (offset >= kiov->bv_len) {
+ offset -= kiov->bv_len;
nkiov--;
kiov++;
LASSERT(nkiov > 0);
tx->tx_buftype = GNILND_BUF_PHYS_UNMAPPED;
tx->tx_nob = nob;
- /* kiov_offset is start of 'valid' buffer, so index offset past that */
- tx->tx_buffer = (void *)((unsigned long)(kiov->kiov_offset + offset));
+ /* bv_offset is start of 'valid' buffer, so index offset past that */
+ tx->tx_buffer = (void *)((unsigned long)(kiov->bv_offset + offset));
phys = tx->tx_phys;
CDEBUG(D_NET, "tx 0x%p buffer 0x%p map start kiov 0x%p+%u niov %d offset %u\n",
- tx, tx->tx_buffer, kiov, kiov->kiov_offset, nkiov, offset);
+ tx, tx->tx_buffer, kiov, kiov->bv_offset, nkiov, offset);
do {
- fraglen = min(kiov->kiov_len - offset, nob);
-
- /* We can't have a kiov_offset on anything but the first entry,
- * otherwise we'll have a hole at the end of the mapping as we only map
- * whole pages. Only the first page is allowed to have an offset -
- * we'll add that into tx->tx_buffer and that will get used when we
- * map in the segments (see kgnilnd_map_buffer).
- * Also, if we have a kiov_len < PAGE_SIZE but we need to map more
- * than kiov_len, we will also have a whole at the end of that page
- * which isn't allowed */
+ fraglen = min(kiov->bv_len - offset, nob);
+
+ /* We can't have a bv_offset on anything but the first entry,
+ * otherwise we'll have a hole at the end of the mapping as we
+ * only map whole pages. Only the first page is allowed to
+ * have an offset - we'll add that into tx->tx_buffer and that
+ * will get used when we map in the segments (see
+ * kgnilnd_map_buffer). Also, if we have a bv_len < PAGE_SIZE
+ * but we need to map more than bv_len, we will also have a
+ * whole at the end of that page which isn't allowed
+ */
if ((phys != tx->tx_phys) &&
- ((kiov->kiov_offset != 0) ||
- ((kiov->kiov_len < PAGE_SIZE) && (nob > kiov->kiov_len)))) {
- CERROR("Can't make payload contiguous in I/O VM: page %d, offset %u, nob %u, kiov_offset %u, kiov_len %u\n",
+ ((kiov->bv_offset != 0) ||
+ ((kiov->bv_len < PAGE_SIZE) && (nob > kiov->bv_len)))) {
+ CERROR("Can't make payload contiguous in I/O VM:page %d, offset %u, nob %u, bv_offset %u bv_len %u\n",
(int)(phys - tx->tx_phys),
- offset, nob, kiov->kiov_offset, kiov->kiov_len);
+ offset, nob, kiov->bv_offset, kiov->bv_len);
rc = -EINVAL;
GOTO(error, rc);
}
GOTO(error, rc);
}
- CDEBUG(D_BUFFS, "page 0x%p kiov_offset %u kiov_len %u nob %u "
- "nkiov %u offset %u\n",
- kiov->kiov_page, kiov->kiov_offset, kiov->kiov_len, nob, nkiov, offset);
+ CDEBUG(D_BUFFS,
+ "page 0x%p bv_offset %u bv_len %u nob %u nkiov %u offset %u\n",
+ kiov->bv_page, kiov->bv_offset, kiov->bv_len, nob, nkiov,
+ offset);
- phys->address = page_to_phys(kiov->kiov_page);
+ phys->address = page_to_phys(kiov->bv_page);
phys++;
kiov++;
nkiov--;
static inline int
kgnilnd_setup_rdma_buffer(kgn_tx_t *tx, unsigned int niov,
- struct kvec *iov, lnet_kiov_t *kiov,
+ struct bio_vec *kiov,
unsigned int offset, unsigned int nob)
{
- int rc;
-
- LASSERTF((iov == NULL) != (kiov == NULL), "iov 0x%p, kiov 0x%p, tx 0x%p,"
- " offset %d, nob %d, niov %d\n"
- , iov, kiov, tx, offset, nob, niov);
-
- if (kiov != NULL) {
- rc = kgnilnd_setup_phys_buffer(tx, niov, kiov, offset, nob);
- } else {
- rc = kgnilnd_setup_virt_buffer(tx, niov, iov, offset, nob);
- }
- return rc;
+ return kgnilnd_setup_phys_buffer(tx, niov, kiov, offset, nob);
}
/* kgnilnd_parse_lnet_rdma()
static void
kgnilnd_parse_lnet_rdma(struct lnet_msg *lntmsg, unsigned int *niov,
unsigned int *offset, unsigned int *nob,
- lnet_kiov_t **kiov, int put_len)
+ struct bio_vec **kiov, int put_len)
{
/* GETs are weird, see kgnilnd_send */
if (lntmsg->msg_type == LNET_MSG_GET) {
if ((lntmsg->msg_md->md_options & LNET_MD_KIOV) == 0) {
*kiov = NULL;
} else {
- *kiov = lntmsg->msg_md->md_iov.kiov;
+ *kiov = lntmsg->msg_md->md_kiov;
}
*niov = lntmsg->msg_md->md_niov;
*nob = lntmsg->msg_md->md_length;
static inline void
kgnilnd_compute_rdma_cksum(kgn_tx_t *tx, int put_len)
{
- unsigned int niov, offset, nob;
- lnet_kiov_t *kiov;
- struct lnet_msg *lntmsg = tx->tx_lntmsg[0];
- int dump_cksum = (*kgnilnd_tunables.kgn_checksum_dump > 1);
+ unsigned int niov, offset, nob;
+ struct bio_vec *kiov;
+ struct lnet_msg *lntmsg = tx->tx_lntmsg[0];
+ int dump_cksum = (*kgnilnd_tunables.kgn_checksum_dump > 1);
GNITX_ASSERTF(tx, ((tx->tx_msg.gnm_type == GNILND_MSG_PUT_DONE) ||
(tx->tx_msg.gnm_type == GNILND_MSG_GET_DONE) ||
int rc = 0;
__u16 cksum;
unsigned int niov, offset, nob;
- lnet_kiov_t *kiov;
- struct lnet_msg *lntmsg = tx->tx_lntmsg[0];
+ struct bio_vec *kiov;
+ struct lnet_msg *lntmsg = tx->tx_lntmsg[0];
int dump_on_err = *kgnilnd_tunables.kgn_checksum_dump;
/* we can only match certain requests */
dev->gnd_map_nphys++;
dev->gnd_map_physnop += tx->tx_phys_npages;
break;
-
- case GNILND_BUF_VIRT_MAPPED:
- bytes = tx->tx_nob;
- dev->gnd_map_nvirt++;
- dev->gnd_map_virtnob += tx->tx_nob;
- break;
}
if (tx->tx_msg.gnm_type == GNILND_MSG_PUT_ACK ||
dev->gnd_map_nphys--;
dev->gnd_map_physnop -= tx->tx_phys_npages;
break;
-
- case GNILND_BUF_VIRT_UNMAPPED:
- bytes = tx->tx_nob;
- dev->gnd_map_nvirt--;
- dev->gnd_map_virtnob -= tx->tx_nob;
- break;
}
if (tx->tx_msg.gnm_type == GNILND_MSG_PUT_ACK ||
case GNILND_BUF_IMMEDIATE:
case GNILND_BUF_IMMEDIATE_KIOV:
case GNILND_BUF_PHYS_MAPPED:
- case GNILND_BUF_VIRT_MAPPED:
return 0;
case GNILND_BUF_PHYS_UNMAPPED:
* - this needs to turn into a non-fatal error soon to allow
* GART resource, etc starvation handling */
if (rrc != GNI_RC_SUCCESS) {
- GNIDBG_TX(D_NET, tx, "Can't map %d pages: dev %d "
- "phys %u pp %u, virt %u nob %llu",
+ GNIDBG_TX(D_NET, tx,
+ "Can't map %d pages: dev %d phys %u pp %u",
tx->tx_phys_npages, dev->gnd_id,
- dev->gnd_map_nphys, dev->gnd_map_physnop,
- dev->gnd_map_nvirt, dev->gnd_map_virtnob);
+ dev->gnd_map_nphys, dev->gnd_map_physnop);
RETURN(rrc == GNI_RC_ERROR_RESOURCE ? -ENOMEM : -EINVAL);
}
tx->tx_buftype = GNILND_BUF_PHYS_MAPPED;
kgnilnd_mem_add_map_list(dev, tx);
return 0;
-
- case GNILND_BUF_VIRT_UNMAPPED:
- rrc = kgnilnd_mem_register(dev->gnd_handle,
- (__u64)tx->tx_buffer, tx->tx_nob,
- NULL, flags, &tx->tx_map_key);
- if (rrc != GNI_RC_SUCCESS) {
- GNIDBG_TX(D_NET, tx, "Can't map %u bytes: dev %d "
- "phys %u pp %u, virt %u nob %llu",
- tx->tx_nob, dev->gnd_id,
- dev->gnd_map_nphys, dev->gnd_map_physnop,
- dev->gnd_map_nvirt, dev->gnd_map_virtnob);
- RETURN(rrc == GNI_RC_ERROR_RESOURCE ? -ENOMEM : -EINVAL);
- }
-
- tx->tx_buftype = GNILND_BUF_VIRT_MAPPED;
- kgnilnd_mem_add_map_list(dev, tx);
- if (tx->tx_msg.gnm_type == GNILND_MSG_PUT_ACK ||
- tx->tx_msg.gnm_type == GNILND_MSG_GET_REQ) {
- atomic64_add(tx->tx_nob, &dev->gnd_rdmaq_bytes_out);
- GNIDBG_TX(D_NETTRACE, tx, "rdma ++ %d to %ld\n",
- tx->tx_nob, atomic64_read(&dev->gnd_rdmaq_bytes_out));
- }
-
- return 0;
}
}
/* code below relies on +1 relationship ... */
BUILD_BUG_ON(GNILND_BUF_PHYS_MAPPED !=
(GNILND_BUF_PHYS_UNMAPPED + 1));
- BUILD_BUG_ON(GNILND_BUF_VIRT_MAPPED !=
- (GNILND_BUF_VIRT_UNMAPPED + 1));
switch (tx->tx_buftype) {
default:
case GNILND_BUF_NONE:
case GNILND_BUF_IMMEDIATE:
case GNILND_BUF_PHYS_UNMAPPED:
- case GNILND_BUF_VIRT_UNMAPPED:
break;
case GNILND_BUF_IMMEDIATE_KIOV:
if (tx->tx_phys != NULL) {
break;
case GNILND_BUF_PHYS_MAPPED:
- case GNILND_BUF_VIRT_MAPPED:
LASSERT(tx->tx_conn != NULL);
dev = tx->tx_conn->gnc_device;
int target_is_router = lntmsg->msg_target_is_router;
int routing = lntmsg->msg_routing;
unsigned int niov = lntmsg->msg_niov;
- struct kvec *iov = lntmsg->msg_iov;
- lnet_kiov_t *kiov = lntmsg->msg_kiov;
+ struct bio_vec *kiov = lntmsg->msg_kiov;
unsigned int offset = lntmsg->msg_offset;
unsigned int nob = lntmsg->msg_len;
unsigned int msg_vmflush = lntmsg->msg_vmflush;
kgn_net_t *net = ni->ni_data;
kgn_tx_t *tx;
int rc = 0;
- int mpflag = 0;
+ /* '1' for consistency with code that checks !mpflag to restore */
+ unsigned int mpflag = 1;
int reverse_rdma_flag = *kgnilnd_tunables.kgn_reverse_rdma;
/* NB 'private' is different depending on what we're sending.... */
LASSERTF(niov <= LNET_MAX_IOV,
"lntmsg %p niov %d\n", lntmsg, niov);
- /* payload is either all vaddrs or all pages */
- LASSERTF(!(kiov != NULL && iov != NULL),
- "lntmsg %p kiov %p iov %p\n", lntmsg, kiov, iov);
-
if (msg_vmflush)
- mpflag = cfs_memory_pressure_get_and_set();
+ mpflag = memalloc_noreclaim_save();
switch (type) {
default:
rc = -ENOMEM;
goto out;
}
- /* slightly different options as we might actually have a GET with a
- * MD_KIOV set but a non-NULL md_iov.iov */
- if ((lntmsg->msg_md->md_options & LNET_MD_KIOV) == 0)
- rc = kgnilnd_setup_rdma_buffer(tx, lntmsg->msg_md->md_niov,
- lntmsg->msg_md->md_iov.iov, NULL,
- 0, lntmsg->msg_md->md_length);
- else
- rc = kgnilnd_setup_rdma_buffer(tx, lntmsg->msg_md->md_niov,
- NULL, lntmsg->msg_md->md_iov.kiov,
- 0, lntmsg->msg_md->md_length);
+ rc = kgnilnd_setup_rdma_buffer(tx, lntmsg->msg_md->md_niov,
+ lntmsg->msg_md->md_kiov,
+ 0, lntmsg->msg_md->md_length);
if (rc != 0) {
CERROR("unable to setup buffer: %d\n", rc);
kgnilnd_tx_done(tx, rc);
goto out;
}
- rc = kgnilnd_setup_rdma_buffer(tx, niov, iov, kiov, offset, nob);
+ rc = kgnilnd_setup_rdma_buffer(tx, niov,
+ kiov, offset, nob);
if (rc != 0) {
kgnilnd_tx_done(tx, rc);
rc = -EIO;
goto out;
}
- rc = kgnilnd_setup_immediate_buffer(tx, niov, iov, kiov, offset, nob);
+ rc = kgnilnd_setup_immediate_buffer(tx, niov, NULL, kiov, offset, nob);
if (rc != 0) {
kgnilnd_tx_done(tx, rc);
goto out;
out:
/* use stored value as we could have already finalized lntmsg here from a failed launch */
if (msg_vmflush)
- cfs_memory_pressure_restore(mpflag);
+ memalloc_noreclaim_restore(mpflag);
return rc;
}
kgn_conn_t *conn = rx->grx_conn;
kgn_msg_t *rxmsg = rx->grx_msg;
unsigned int niov = lntmsg->msg_niov;
- struct kvec *iov = lntmsg->msg_iov;
- lnet_kiov_t *kiov = lntmsg->msg_kiov;
+ struct bio_vec *kiov = lntmsg->msg_kiov;
unsigned int offset = lntmsg->msg_offset;
unsigned int nob = lntmsg->msg_len;
int done_type;
if (rc != 0)
goto failed_1;
- rc = kgnilnd_setup_rdma_buffer(tx, niov, iov, kiov, offset, nob);
+ rc = kgnilnd_setup_rdma_buffer(tx, niov, kiov, offset, nob);
if (rc != 0)
goto failed_1;
int
kgnilnd_recv(struct lnet_ni *ni, void *private, struct lnet_msg *lntmsg,
int delayed, unsigned int niov,
- struct kvec *iov, lnet_kiov_t *kiov,
+ struct bio_vec *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen)
{
kgn_rx_t *rx = private;
LASSERT(!in_interrupt());
LASSERTF(mlen <= rlen, "%d <= %d\n", mlen, rlen);
- /* Either all pages or all vaddrs */
- LASSERTF(!(kiov != NULL && iov != NULL), "kiov %p iov %p\n",
- kiov, iov);
GNIDBG_MSG(D_NET, rxmsg, "conn %p, rxmsg %p, lntmsg %p"
- " niov=%d kiov=%p iov=%p offset=%d mlen=%d rlen=%d",
+ " niov=%d kiov=%p offset=%d mlen=%d rlen=%d",
conn, rxmsg, lntmsg,
- niov, kiov, iov, offset, mlen, rlen);
+ niov, kiov, offset, mlen, rlen);
/* we need to lock here as recv can be called from any context */
read_lock(&kgnilnd_data.kgn_peer_conn_lock);
switch (rxmsg->gnm_type) {
default:
GNIDBG_MSG(D_NETERROR, rxmsg, "conn %p, rx %p, rxmsg %p, lntmsg %p"
- " niov=%d kiov=%p iov=%p offset=%d mlen=%d rlen=%d",
- conn, rx, rxmsg, lntmsg, niov, kiov, iov, offset, mlen, rlen);
+ " niov=%d kiov=%p offset=%d mlen=%d rlen=%d",
+ conn, rx, rxmsg, lntmsg, niov, kiov, offset, mlen, rlen);
LBUG();
case GNILND_MSG_IMMEDIATE:
}
}
- if (kiov != NULL)
- lnet_copy_flat2kiov(
- niov, kiov, offset,
- *kgnilnd_tunables.kgn_max_immediate,
- &rxmsg[1], 0, mlen);
- else
- lnet_copy_flat2iov(
- niov, iov, offset,
- *kgnilnd_tunables.kgn_max_immediate,
- &rxmsg[1], 0, mlen);
+ lnet_copy_flat2kiov(
+ niov, kiov, offset,
+ *kgnilnd_tunables.kgn_max_immediate,
+ &rxmsg[1], 0, mlen);
kgnilnd_consume_rx(rx);
lnet_finalize(lntmsg, 0);
GOTO(nak_put_req, rc);
}
- rc = kgnilnd_setup_rdma_buffer(tx, niov, iov, kiov, offset, mlen);
+ rc = kgnilnd_setup_rdma_buffer(tx, niov,
+ kiov, offset, mlen);
if (rc != 0) {
GOTO(nak_put_req, rc);
}
if (rc != 0)
GOTO(nak_get_req_rev, rc);
-
- rc = kgnilnd_setup_rdma_buffer(tx, niov, iov, kiov, offset, mlen);
+ rc = kgnilnd_setup_rdma_buffer(tx, niov,
+ kiov, offset, mlen);
if (rc != 0)
GOTO(nak_get_req_rev, rc);
-
tx->tx_msg.gnm_u.putack.gnpam_src_cookie =
rxmsg->gnm_u.putreq.gnprm_cookie;
tx->tx_msg.gnm_u.putack.gnpam_dst_cookie = tx->tx_id.txe_cookie;
int
kgnilnd_recv_bte_get(kgn_tx_t *tx) {
unsigned niov, offset, nob;
- lnet_kiov_t *kiov;
+ struct bio_vec *kiov;
struct lnet_msg *lntmsg = tx->tx_lntmsg[0];
kgnilnd_parse_lnet_rdma(lntmsg, &niov, &offset, &nob, &kiov, tx->tx_nob_rdma);
if (tx == NULL)
break;
- GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED ||
- tx->tx_buftype == GNILND_BUF_VIRT_MAPPED,
+ GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED,
"bad tx buftype %d", tx->tx_buftype);
kgnilnd_finalize_rx_done(tx, msg);
if (tx == NULL)
break;
- GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED ||
- tx->tx_buftype == GNILND_BUF_VIRT_MAPPED,
+ GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED,
"bad tx buftype %d", tx->tx_buftype);
kgnilnd_complete_tx(tx, msg->gnm_u.completion.gncm_retval);
if (tx == NULL)
break;
- GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED ||
- tx->tx_buftype == GNILND_BUF_VIRT_MAPPED,
+ GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED,
"bad tx buftype %d", tx->tx_buftype);
lnet_set_reply_msg_len(net->gnn_ni, tx->tx_lntmsg[1],
if (tx == NULL)
break;
- GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED ||
- tx->tx_buftype == GNILND_BUF_VIRT_MAPPED,
+ GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED,
"bad tx buftype %d", tx->tx_buftype);
kgnilnd_finalize_rx_done(tx, msg);
if (tx == NULL)
break;
- GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED ||
- tx->tx_buftype == GNILND_BUF_VIRT_MAPPED,
+ GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED,
"bad tx buftype %d", tx->tx_buftype);
kgnilnd_finalize_rx_done(tx, msg);
if (tx == NULL)
break;
- GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED ||
- tx->tx_buftype == GNILND_BUF_VIRT_MAPPED,
+ GNITX_ASSERTF(tx, tx->tx_buftype == GNILND_BUF_PHYS_MAPPED,
"bad tx buftype %d", tx->tx_buftype);
kgnilnd_complete_tx(tx, msg->gnm_u.completion.gncm_retval);
} else {
GNIDBG_TX(log_retrans_level, tx,
"transient map failure #%d %d pages/%d bytes phys %u@%u "
- "virt %u@%llu "
"nq_map %d mdd# %d/%d GART %ld",
dev->gnd_map_attempt, tx->tx_phys_npages, tx->tx_nob,
dev->gnd_map_nphys, dev->gnd_map_physnop * PAGE_SIZE,
- dev->gnd_map_nvirt, dev->gnd_map_virtnob,
atomic_read(&dev->gnd_nq_map),
atomic_read(&dev->gnd_n_mdd), atomic_read(&dev->gnd_n_mdd_held),
atomic64_read(&dev->gnd_nbytes_map));
git://git.whamcloud.com / fs / lustre-release.git / blobdiff