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Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

Browse Source 
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband:
  IB/mthca: Don't execute QUERY_QP firmware command for QP in RESET state
  IB/ehca: Use proper GFP_ flags for get_zeroed_page()
  IB/mthca: Fix PRM compliance problem in atomic-send completions
  RDMA/ucma: Don't report events with invalid user context
  RDMA/ucma: Fix struct ucma_event leak when backlog is full
  RDMA/iwcm: iWARP connection timeouts shouldn't be reported as rejects
  IB/iser: Return error code when PDUs may not be sent
  IB/mthca: Fix off-by-one in FMR handling on memfree
This commit is contained in:
Linus Torvalds 2007-01-09 19:48:15 -08:00
commit f3a2c3ee45
13 changed files with 79 additions and 47 deletions
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17
drivers/infiniband/core/cma.c
View File

@ -1088,10 +1088,21 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event)
*sin = iw_event->local_addr;
sin = (struct sockaddr_in *) &id_priv->id.route.addr.dst_addr;
*sin = iw_event->remote_addr;
if (iw_event->status)
event.event = RDMA_CM_EVENT_REJECTED;
else
switch (iw_event->status) {
case 0:
event.event = RDMA_CM_EVENT_ESTABLISHED;
break;
case -ECONNRESET:
case -ECONNREFUSED:
event.event = RDMA_CM_EVENT_REJECTED;
break;
case -ETIMEDOUT:
event.event = RDMA_CM_EVENT_UNREACHABLE;
break;
default:
event.event = RDMA_CM_EVENT_CONNECT_ERROR;
break;
}
break;
case IW_CM_EVENT_ESTABLISHED:
event.event = RDMA_CM_EVENT_ESTABLISHED;

11
drivers/infiniband/core/ucma.c
View File

@ -209,10 +209,21 @@ static int ucma_event_handler(struct rdma_cm_id *cm_id,
if (event->event == RDMA_CM_EVENT_CONNECT_REQUEST) {
if (!ctx->backlog) {
ret = -EDQUOT;
kfree(uevent);
goto out;
}
ctx->backlog--;
} else if (!ctx->uid) {
/*
* We ignore events for new connections until userspace has set
* their context. This can only happen if an error occurs on a
* new connection before the user accepts it. This is okay,
* since the accept will just fail later.
*/
kfree(uevent);
goto out;
}
list_add_tail(&uevent->list, &ctx->file->event_list);
wake_up_interruptible(&ctx->file->poll_wait);
out:

8
drivers/infiniband/hw/ehca/ehca_hca.c
View File

@ -50,7 +50,7 @@ int ehca_query_device(struct ib_device *ibdev, struct ib_device_attr *props)
ib_device);
struct hipz_query_hca *rblock;
rblock = ehca_alloc_fw_ctrlblock();
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
@ -110,7 +110,7 @@ int ehca_query_port(struct ib_device *ibdev,
ib_device);
struct hipz_query_port *rblock;
rblock = ehca_alloc_fw_ctrlblock();
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
@ -179,7 +179,7 @@ int ehca_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
return -EINVAL;
}
rblock = ehca_alloc_fw_ctrlblock();
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
@ -212,7 +212,7 @@ int ehca_query_gid(struct ib_device *ibdev, u8 port,
return -EINVAL;
}
rblock = ehca_alloc_fw_ctrlblock();
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;

2
drivers/infiniband/hw/ehca/ehca_irq.c
View File

@ -138,7 +138,7 @@ int ehca_error_data(struct ehca_shca *shca, void *data,
u64 *rblock;
unsigned long block_count;
rblock = ehca_alloc_fw_ctrlblock();
rblock = ehca_alloc_fw_ctrlblock(GFP_ATOMIC);
if (!rblock) {
ehca_err(&shca->ib_device, "Cannot allocate rblock memory.");
ret = -ENOMEM;

4
drivers/infiniband/hw/ehca/ehca_iverbs.h
View File

@ -180,10 +180,10 @@ int ehca_mmap_register(u64 physical,void **mapped,
int ehca_munmap(unsigned long addr, size_t len);
#ifdef CONFIG_PPC_64K_PAGES
void *ehca_alloc_fw_ctrlblock(void);
void *ehca_alloc_fw_ctrlblock(gfp_t flags);
void ehca_free_fw_ctrlblock(void *ptr);
#else
#define ehca_alloc_fw_ctrlblock() ((void *) get_zeroed_page(GFP_KERNEL))
#define ehca_alloc_fw_ctrlblock(flags) ((void *) get_zeroed_page(flags))
#define ehca_free_fw_ctrlblock(ptr) free_page((unsigned long)(ptr))
#endif

10
drivers/infiniband/hw/ehca/ehca_main.c
View File

@ -106,9 +106,9 @@ static struct timer_list poll_eqs_timer;
#ifdef CONFIG_PPC_64K_PAGES
static struct kmem_cache *ctblk_cache = NULL;
void *ehca_alloc_fw_ctrlblock(void)
void *ehca_alloc_fw_ctrlblock(gfp_t flags)
{
void *ret = kmem_cache_zalloc(ctblk_cache, GFP_KERNEL);
void *ret = kmem_cache_zalloc(ctblk_cache, flags);
if (!ret)
ehca_gen_err("Out of memory for ctblk");
return ret;
@ -206,7 +206,7 @@ int ehca_sense_attributes(struct ehca_shca *shca)
u64 h_ret;
struct hipz_query_hca *rblock;
rblock = ehca_alloc_fw_ctrlblock();
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_gen_err("Cannot allocate rblock memory.");
return -ENOMEM;
@ -258,7 +258,7 @@ static int init_node_guid(struct ehca_shca *shca)
int ret = 0;
struct hipz_query_hca *rblock;
rblock = ehca_alloc_fw_ctrlblock();
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!rblock) {
ehca_err(&shca->ib_device, "Can't allocate rblock memory.");
return -ENOMEM;
@ -469,7 +469,7 @@ static ssize_t ehca_show_##name(struct device *dev, \
\
shca = dev->driver_data; \
\
rblock = ehca_alloc_fw_ctrlblock(); \
rblock = ehca_alloc_fw_ctrlblock(GFP_KERNEL); \
if (!rblock) { \
dev_err(dev, "Can't allocate rblock memory."); \
return 0; \

4
drivers/infiniband/hw/ehca/ehca_mrmw.c
View File

@ -1013,7 +1013,7 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca,
u32 i;
u64 *kpage;
kpage = ehca_alloc_fw_ctrlblock();
kpage = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!kpage) {
ehca_err(&shca->ib_device, "kpage alloc failed");
ret = -ENOMEM;
@ -1124,7 +1124,7 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca,
ehca_mrmw_map_acl(acl, &hipz_acl);
ehca_mrmw_set_pgsize_hipz_acl(&hipz_acl);
kpage = ehca_alloc_fw_ctrlblock();
kpage = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!kpage) {
ehca_err(&shca->ib_device, "kpage alloc failed");
ret = -ENOMEM;

4
drivers/infiniband/hw/ehca/ehca_qp.c
View File

@ -807,7 +807,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
unsigned long spl_flags = 0;
/* do query_qp to obtain current attr values */
mqpcb = ehca_alloc_fw_ctrlblock();
mqpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!mqpcb) {
ehca_err(ibqp->device, "Could not get zeroed page for mqpcb "
"ehca_qp=%p qp_num=%x ", my_qp, ibqp->qp_num);
@ -1273,7 +1273,7 @@ int ehca_query_qp(struct ib_qp *qp,
return -EINVAL;
}
qpcb = ehca_alloc_fw_ctrlblock();
qpcb = ehca_alloc_fw_ctrlblock(GFP_KERNEL);
if (!qpcb) {
ehca_err(qp->device,"Out of memory for qpcb "
"ehca_qp=%p qp_num=%x", my_qp, qp->qp_num);

8
drivers/infiniband/hw/mthca/mthca_cq.c
View File

@ -54,6 +54,10 @@ enum {
MTHCA_CQ_ENTRY_SIZE = 0x20
};
enum {
MTHCA_ATOMIC_BYTE_LEN = 8
};
/*
* Must be packed because start is 64 bits but only aligned to 32 bits.
*/
@ -599,11 +603,11 @@ static inline int mthca_poll_one(struct mthca_dev *dev,
break;
case MTHCA_OPCODE_ATOMIC_CS:
entry->opcode = IB_WC_COMP_SWAP;
entry->byte_len = be32_to_cpu(cqe->byte_cnt);
entry->byte_len = MTHCA_ATOMIC_BYTE_LEN;
break;
case MTHCA_OPCODE_ATOMIC_FA:
entry->opcode = IB_WC_FETCH_ADD;
entry->byte_len = be32_to_cpu(cqe->byte_cnt);
entry->byte_len = MTHCA_ATOMIC_BYTE_LEN;
break;
case MTHCA_OPCODE_BIND_MW:
entry->opcode = IB_WC_BIND_MW;

2
drivers/infiniband/hw/mthca/mthca_memfree.c
View File

@ -232,7 +232,7 @@ void *mthca_table_find(struct mthca_icm_table *table, int obj)
list_for_each_entry(chunk, &icm->chunk_list, list) {
for (i = 0; i < chunk->npages; ++i) {
if (chunk->mem[i].length >= offset) {
if (chunk->mem[i].length > offset) {
page = chunk->mem[i].page;
goto out;
}

26
drivers/infiniband/hw/mthca/mthca_qp.c
View File

@ -429,13 +429,18 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
{
struct mthca_dev *dev = to_mdev(ibqp->device);
struct mthca_qp *qp = to_mqp(ibqp);
int err;
struct mthca_mailbox *mailbox;
int err = 0;
struct mthca_mailbox *mailbox = NULL;
struct mthca_qp_param *qp_param;
struct mthca_qp_context *context;
int mthca_state;
u8 status;
if (qp->state == IB_QPS_RESET) {
qp_attr->qp_state = IB_QPS_RESET;
goto done;
}
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
return PTR_ERR(mailbox);
@ -454,7 +459,6 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
mthca_state = be32_to_cpu(context->flags) >> 28;
qp_attr->qp_state = to_ib_qp_state(mthca_state);
qp_attr->cur_qp_state = qp_attr->qp_state;
qp_attr->path_mtu = context->mtu_msgmax >> 5;
qp_attr->path_mig_state =
to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3);
@ -464,11 +468,6 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
qp_attr->dest_qp_num = be32_to_cpu(context->remote_qpn) & 0xffffff;
qp_attr->qp_access_flags =
to_ib_qp_access_flags(be32_to_cpu(context->params2));
qp_attr->cap.max_send_wr = qp->sq.max;
qp_attr->cap.max_recv_wr = qp->rq.max;
qp_attr->cap.max_send_sge = qp->sq.max_gs;
qp_attr->cap.max_recv_sge = qp->rq.max_gs;
qp_attr->cap.max_inline_data = qp->max_inline_data;
if (qp->transport == RC || qp->transport == UC) {
to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path);
@ -495,7 +494,16 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
qp_attr->retry_cnt = (be32_to_cpu(context->params1) >> 16) & 0x7;
qp_attr->rnr_retry = context->pri_path.rnr_retry >> 5;
qp_attr->alt_timeout = context->alt_path.ackto >> 3;
qp_init_attr->cap = qp_attr->cap;
done:
qp_attr->cur_qp_state = qp_attr->qp_state;
qp_attr->cap.max_send_wr = qp->sq.max;
qp_attr->cap.max_recv_wr = qp->rq.max;
qp_attr->cap.max_send_sge = qp->sq.max_gs;
qp_attr->cap.max_recv_sge = qp->rq.max_gs;
qp_attr->cap.max_inline_data = qp->max_inline_data;
qp_init_attr->cap = qp_attr->cap;
out:
mthca_free_mailbox(dev, mailbox);

4
drivers/infiniband/ulp/iser/iscsi_iser.c
View File

@ -177,7 +177,7 @@ iscsi_iser_mtask_xmit(struct iscsi_conn *conn,
* - if yes, the mtask is recycled at iscsi_complete_pdu
* - if no, the mtask is recycled at iser_snd_completion
*/
if (error && error != -EAGAIN)
if (error && error != -ENOBUFS)
iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
return error;
@ -241,7 +241,7 @@ iscsi_iser_ctask_xmit(struct iscsi_conn *conn,
error = iscsi_iser_ctask_xmit_unsol_data(conn, ctask);
iscsi_iser_ctask_xmit_exit:
if (error && error != -EAGAIN)
if (error && error != -ENOBUFS)
iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
return error;
}

26
drivers/infiniband/ulp/iser/iser_initiator.c
View File

@ -304,18 +304,14 @@ int iser_conn_set_full_featured_mode(struct iscsi_conn *conn)
static int
iser_check_xmit(struct iscsi_conn *conn, void *task)
{
int rc = 0;
struct iscsi_iser_conn *iser_conn = conn->dd_data;
write_lock_bh(conn->recv_lock);
if (atomic_read(&iser_conn->ib_conn->post_send_buf_count) ==
ISER_QP_MAX_REQ_DTOS) {
iser_dbg("%ld can't xmit task %p, suspending tx\n",jiffies,task);
set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
rc = -EAGAIN;
iser_dbg("%ld can't xmit task %p\n",jiffies,task);
return -ENOBUFS;
}
write_unlock_bh(conn->recv_lock);
return rc;
return 0;
}
@ -340,7 +336,7 @@ int iser_send_command(struct iscsi_conn *conn,
return -EPERM;
}
if (iser_check_xmit(conn, ctask))
return -EAGAIN;
return -ENOBUFS;
edtl = ntohl(hdr->data_length);
@ -426,7 +422,7 @@ int iser_send_data_out(struct iscsi_conn *conn,
}
if (iser_check_xmit(conn, ctask))
return -EAGAIN;
return -ENOBUFS;
itt = ntohl(hdr->itt);
data_seg_len = ntoh24(hdr->dlength);
@ -498,7 +494,7 @@ int iser_send_control(struct iscsi_conn *conn,
}
if (iser_check_xmit(conn,mtask))
return -EAGAIN;
return -ENOBUFS;
/* build the tx desc regd header and add it to the tx desc dto */
mdesc->type = ISCSI_TX_CONTROL;
@ -605,6 +601,7 @@ void iser_snd_completion(struct iser_desc *tx_desc)
struct iscsi_iser_conn *iser_conn = ib_conn->iser_conn;
struct iscsi_conn *conn = iser_conn->iscsi_conn;
struct iscsi_mgmt_task *mtask;
int resume_tx = 0;
iser_dbg("Initiator, Data sent dto=0x%p\n", dto);
@ -613,15 +610,16 @@ void iser_snd_completion(struct iser_desc *tx_desc)
if (tx_desc->type == ISCSI_TX_DATAOUT)
kmem_cache_free(ig.desc_cache, tx_desc);
if (atomic_read(&iser_conn->ib_conn->post_send_buf_count) ==
ISER_QP_MAX_REQ_DTOS)
resume_tx = 1;
atomic_dec(&ib_conn->post_send_buf_count);
write_lock(conn->recv_lock);
if (conn->suspend_tx) {
if (resume_tx) {
iser_dbg("%ld resuming tx\n",jiffies);
clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
scsi_queue_work(conn->session->host, &conn->xmitwork);
}
write_unlock(conn->recv_lock);
if (tx_desc->type == ISCSI_TX_CONTROL) {
/* this arithmetic is legal by libiscsi dd_data allocation */