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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 13:53:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-14 13:53:22 -0700
commitcf5046323ea254be72535648a9d090b18b8510f3 (patch)
treed44894722bd965b2f28a54c4dc4157f22b618c34 /drivers/infiniband/hw
parentae937debe178b4327fd67d604ee83a20f22aa0de (diff)
parent8d34ff34016959d464fd5582ea6a8226fe57ab0e (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: mlx4_core: Don't double-free IRQs when falling back from MSI-X to INTx IB/mthca: Don't double-free IRQs when falling back from MSI-X to INTx IB/mlx4: Add strong ordering to local inval and fast reg work requests IB/ehca: Remove superfluous bitmasks from QP control block RDMA/cxgb3: Limit fast register size based on T3 limitations RDMA/cxgb3: Report correct port state and MTU mlx4_core: Add module parameter for number of MTTs per segment IB/mthca: Add module parameter for number of MTTs per segment RDMA/nes: Fix off-by-one bugs in reset_adapter_ne020() and init_serdes() infiniband: Remove void casts IB/ehca: Increment version number IB/ehca: Remove unnecessary memory operations for userspace queue pairs IB/ehca: Fall back to vmalloc() for big allocations IB/ehca: Replace vmalloc() with kmalloc() for queue allocation
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/amso1100/c2_cq.c4
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_wr.h2
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c32
-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes_pSeries.h28
-rw-r--r--drivers/infiniband/hw/ehca/ehca_irq.c9
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qp.c112
-rw-r--r--drivers/infiniband/hw/ehca/hcp_if.c6
-rw-r--r--drivers/infiniband/hw/ehca/hcp_if.h2
-rw-r--r--drivers/infiniband/hw/ehca/hcp_phyp.c11
-rw-r--r--drivers/infiniband/hw/ehca/hcp_phyp.h2
-rw-r--r--drivers/infiniband/hw/ehca/ipz_pt_fn.c19
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cmd.c2
-rw-r--r--drivers/infiniband/hw/mthca/mthca_dev.h1
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_main.c17
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mr.c16
-rw-r--r--drivers/infiniband/hw/mthca/mthca_profile.c4
-rw-r--r--drivers/infiniband/hw/nes/nes_hw.c14
20 files changed, 162 insertions, 129 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2_cq.c b/drivers/infiniband/hw/amso1100/c2_cq.c
index bb17cce3cb5..f5c45b194f5 100644
--- a/drivers/infiniband/hw/amso1100/c2_cq.c
+++ b/drivers/infiniband/hw/amso1100/c2_cq.c
@@ -133,7 +133,7 @@ static inline int c2_poll_one(struct c2_dev *c2dev,
struct c2_qp *qp;
int is_recv = 0;
- ce = (struct c2wr_ce *) c2_mq_consume(&cq->mq);
+ ce = c2_mq_consume(&cq->mq);
if (!ce) {
return -EAGAIN;
}
@@ -146,7 +146,7 @@ static inline int c2_poll_one(struct c2_dev *c2dev,
while ((qp =
(struct c2_qp *) (unsigned long) ce->qp_user_context) == NULL) {
c2_mq_free(&cq->mq);
- ce = (struct c2wr_ce *) c2_mq_consume(&cq->mq);
+ ce = c2_mq_consume(&cq->mq);
if (!ce)
return -EAGAIN;
}
diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index ff9be1a1310..32e3b1461d8 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -176,7 +176,7 @@ struct t3_send_wr {
struct t3_sge sgl[T3_MAX_SGE]; /* 4+ */
};
-#define T3_MAX_FASTREG_DEPTH 24
+#define T3_MAX_FASTREG_DEPTH 10
#define T3_MAX_FASTREG_FRAG 10
struct t3_fastreg_wr {
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 160ef482712..e2a63214008 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -40,6 +40,7 @@
#include <linux/spinlock.h>
#include <linux/ethtool.h>
#include <linux/rtnetlink.h>
+#include <linux/inetdevice.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -1152,12 +1153,39 @@ static int iwch_query_device(struct ib_device *ibdev,
static int iwch_query_port(struct ib_device *ibdev,
u8 port, struct ib_port_attr *props)
{
+ struct iwch_dev *dev;
+ struct net_device *netdev;
+ struct in_device *inetdev;
+
PDBG("%s ibdev %p\n", __func__, ibdev);
+ dev = to_iwch_dev(ibdev);
+ netdev = dev->rdev.port_info.lldevs[port-1];
+
memset(props, 0, sizeof(struct ib_port_attr));
props->max_mtu = IB_MTU_4096;
- props->active_mtu = IB_MTU_2048;
- props->state = IB_PORT_ACTIVE;
+ if (netdev->mtu >= 4096)
+ props->active_mtu = IB_MTU_4096;
+ else if (netdev->mtu >= 2048)
+ props->active_mtu = IB_MTU_2048;
+ else if (netdev->mtu >= 1024)
+ props->active_mtu = IB_MTU_1024;
+ else if (netdev->mtu >= 512)
+ props->active_mtu = IB_MTU_512;
+ else
+ props->active_mtu = IB_MTU_256;
+
+ if (!netif_carrier_ok(netdev))
+ props->state = IB_PORT_DOWN;
+ else {
+ inetdev = in_dev_get(netdev);
+ if (inetdev->ifa_list)
+ props->state = IB_PORT_ACTIVE;
+ else
+ props->state = IB_PORT_INIT;
+ in_dev_put(inetdev);
+ }
+
props->port_cap_flags =
IB_PORT_CM_SUP |
IB_PORT_SNMP_TUNNEL_SUP |
diff --git a/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h b/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h
index 1798e6466bd..689c35786dd 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes_pSeries.h
@@ -165,7 +165,6 @@ struct hcp_modify_qp_control_block {
#define MQPCB_MASK_ALT_P_KEY_IDX EHCA_BMASK_IBM( 7, 7)
#define MQPCB_MASK_RDMA_ATOMIC_CTRL EHCA_BMASK_IBM( 8, 8)
#define MQPCB_MASK_QP_STATE EHCA_BMASK_IBM( 9, 9)
-#define MQPCB_QP_STATE EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_RDMA_NR_ATOMIC_RESP_RES EHCA_BMASK_IBM(11, 11)
#define MQPCB_MASK_PATH_MIGRATION_STATE EHCA_BMASK_IBM(12, 12)
#define MQPCB_MASK_RDMA_ATOMIC_OUTST_DEST_QP EHCA_BMASK_IBM(13, 13)
@@ -176,60 +175,33 @@ struct hcp_modify_qp_control_block {
#define MQPCB_MASK_RETRY_COUNT EHCA_BMASK_IBM(18, 18)
#define MQPCB_MASK_TIMEOUT EHCA_BMASK_IBM(19, 19)
#define MQPCB_MASK_PATH_MTU EHCA_BMASK_IBM(20, 20)
-#define MQPCB_PATH_MTU EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_MAX_STATIC_RATE EHCA_BMASK_IBM(21, 21)
-#define MQPCB_MAX_STATIC_RATE EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_DLID EHCA_BMASK_IBM(22, 22)
-#define MQPCB_DLID EHCA_BMASK_IBM(16, 31)
#define MQPCB_MASK_RNR_RETRY_COUNT EHCA_BMASK_IBM(23, 23)
-#define MQPCB_RNR_RETRY_COUNT EHCA_BMASK_IBM(29, 31)
#define MQPCB_MASK_SOURCE_PATH_BITS EHCA_BMASK_IBM(24, 24)
-#define MQPCB_SOURCE_PATH_BITS EHCA_BMASK_IBM(25, 31)
#define MQPCB_MASK_TRAFFIC_CLASS EHCA_BMASK_IBM(25, 25)
-#define MQPCB_TRAFFIC_CLASS EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_HOP_LIMIT EHCA_BMASK_IBM(26, 26)
-#define MQPCB_HOP_LIMIT EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_SOURCE_GID_IDX EHCA_BMASK_IBM(27, 27)
-#define MQPCB_SOURCE_GID_IDX EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_FLOW_LABEL EHCA_BMASK_IBM(28, 28)
-#define MQPCB_FLOW_LABEL EHCA_BMASK_IBM(12, 31)
#define MQPCB_MASK_DEST_GID EHCA_BMASK_IBM(30, 30)
#define MQPCB_MASK_SERVICE_LEVEL_AL EHCA_BMASK_IBM(31, 31)
-#define MQPCB_SERVICE_LEVEL_AL EHCA_BMASK_IBM(28, 31)
#define MQPCB_MASK_SEND_GRH_FLAG_AL EHCA_BMASK_IBM(32, 32)
-#define MQPCB_SEND_GRH_FLAG_AL EHCA_BMASK_IBM(31, 31)
#define MQPCB_MASK_RETRY_COUNT_AL EHCA_BMASK_IBM(33, 33)
-#define MQPCB_RETRY_COUNT_AL EHCA_BMASK_IBM(29, 31)
#define MQPCB_MASK_TIMEOUT_AL EHCA_BMASK_IBM(34, 34)
-#define MQPCB_TIMEOUT_AL EHCA_BMASK_IBM(27, 31)
#define MQPCB_MASK_MAX_STATIC_RATE_AL EHCA_BMASK_IBM(35, 35)
-#define MQPCB_MAX_STATIC_RATE_AL EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_DLID_AL EHCA_BMASK_IBM(36, 36)
-#define MQPCB_DLID_AL EHCA_BMASK_IBM(16, 31)
#define MQPCB_MASK_RNR_RETRY_COUNT_AL EHCA_BMASK_IBM(37, 37)
-#define MQPCB_RNR_RETRY_COUNT_AL EHCA_BMASK_IBM(29, 31)
#define MQPCB_MASK_SOURCE_PATH_BITS_AL EHCA_BMASK_IBM(38, 38)
-#define MQPCB_SOURCE_PATH_BITS_AL EHCA_BMASK_IBM(25, 31)
#define MQPCB_MASK_TRAFFIC_CLASS_AL EHCA_BMASK_IBM(39, 39)
-#define MQPCB_TRAFFIC_CLASS_AL EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_HOP_LIMIT_AL EHCA_BMASK_IBM(40, 40)
-#define MQPCB_HOP_LIMIT_AL EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_SOURCE_GID_IDX_AL EHCA_BMASK_IBM(41, 41)
-#define MQPCB_SOURCE_GID_IDX_AL EHCA_BMASK_IBM(24, 31)
#define MQPCB_MASK_FLOW_LABEL_AL EHCA_BMASK_IBM(42, 42)
-#define MQPCB_FLOW_LABEL_AL EHCA_BMASK_IBM(12, 31)
#define MQPCB_MASK_DEST_GID_AL EHCA_BMASK_IBM(44, 44)
#define MQPCB_MASK_MAX_NR_OUTST_SEND_WR EHCA_BMASK_IBM(45, 45)
-#define MQPCB_MAX_NR_OUTST_SEND_WR EHCA_BMASK_IBM(16, 31)
#define MQPCB_MASK_MAX_NR_OUTST_RECV_WR EHCA_BMASK_IBM(46, 46)
-#define MQPCB_MAX_NR_OUTST_RECV_WR EHCA_BMASK_IBM(16, 31)
#define MQPCB_MASK_DISABLE_ETE_CREDIT_CHECK EHCA_BMASK_IBM(47, 47)
-#define MQPCB_DISABLE_ETE_CREDIT_CHECK EHCA_BMASK_IBM(31, 31)
-#define MQPCB_QP_NUMBER EHCA_BMASK_IBM( 8, 31)
#define MQPCB_MASK_QP_ENABLE EHCA_BMASK_IBM(48, 48)
-#define MQPCB_QP_ENABLE EHCA_BMASK_IBM(31, 31)
#define MQPCB_MASK_CURR_SRQ_LIMIT EHCA_BMASK_IBM(49, 49)
-#define MQPCB_CURR_SRQ_LIMIT EHCA_BMASK_IBM(16, 31)
#define MQPCB_MASK_QP_AFF_ASYN_EV_LOG_REG EHCA_BMASK_IBM(50, 50)
#define MQPCB_MASK_SHARED_RQ_HNDL EHCA_BMASK_IBM(51, 51)
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 99bcbd7ffb0..4b89b791be6 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -479,13 +479,13 @@ void ehca_tasklet_neq(unsigned long data)
struct ehca_eqe *eqe;
u64 ret;
- eqe = (struct ehca_eqe *)ehca_poll_eq(shca, &shca->neq);
+ eqe = ehca_poll_eq(shca, &shca->neq);
while (eqe) {
if (!EHCA_BMASK_GET(NEQE_COMPLETION_EVENT, eqe->entry))
parse_ec(shca, eqe->entry);
- eqe = (struct ehca_eqe *)ehca_poll_eq(shca, &shca->neq);
+ eqe = ehca_poll_eq(shca, &shca->neq);
}
ret = hipz_h_reset_event(shca->ipz_hca_handle,
@@ -572,8 +572,7 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
eqe_cnt = 0;
do {
u32 token;
- eqe_cache[eqe_cnt].eqe =
- (struct ehca_eqe *)ehca_poll_eq(shca, eq);
+ eqe_cache[eqe_cnt].eqe = ehca_poll_eq(shca, eq);
if (!eqe_cache[eqe_cnt].eqe)
break;
eqe_value = eqe_cache[eqe_cnt].eqe->entry;
@@ -637,7 +636,7 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
goto unlock_irq_spinlock;
do {
struct ehca_eqe *eqe;
- eqe = (struct ehca_eqe *)ehca_poll_eq(shca, &shca->eq);
+ eqe = ehca_poll_eq(shca, &shca->eq);
if (!eqe)
break;
process_eqe(shca, eqe);
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 368311ce332..85905ab9391 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -52,7 +52,7 @@
#include "ehca_tools.h"
#include "hcp_if.h"
-#define HCAD_VERSION "0026"
+#define HCAD_VERSION "0027"
MODULE_LICENSE("Dual BSD/GPL");
MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>");
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 00c10815971..0338f1fabe8 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -461,7 +461,7 @@ static struct ehca_qp *internal_create_qp(
ib_device);
struct ib_ucontext *context = NULL;
u64 h_ret;
- int is_llqp = 0, has_srq = 0;
+ int is_llqp = 0, has_srq = 0, is_user = 0;
int qp_type, max_send_sge, max_recv_sge, ret;
/* h_call's out parameters */
@@ -609,9 +609,6 @@ static struct ehca_qp *internal_create_qp(
}
}
- if (pd->uobject && udata)
- context = pd->uobject->context;
-
my_qp = kmem_cache_zalloc(qp_cache, GFP_KERNEL);
if (!my_qp) {
ehca_err(pd->device, "pd=%p not enough memory to alloc qp", pd);
@@ -619,6 +616,11 @@ static struct ehca_qp *internal_create_qp(
return ERR_PTR(-ENOMEM);
}
+ if (pd->uobject && udata) {
+ is_user = 1;
+ context = pd->uobject->context;
+ }
+
atomic_set(&my_qp->nr_events, 0);
init_waitqueue_head(&my_qp->wait_completion);
spin_lock_init(&my_qp->spinlock_s);
@@ -707,7 +709,7 @@ static struct ehca_qp *internal_create_qp(
(parms.squeue.is_small || parms.rqueue.is_small);
}
- h_ret = hipz_h_alloc_resource_qp(shca->ipz_hca_handle, &parms);
+ h_ret = hipz_h_alloc_resource_qp(shca->ipz_hca_handle, &parms, is_user);
if (h_ret != H_SUCCESS) {
ehca_err(pd->device, "h_alloc_resource_qp() failed h_ret=%lli",
h_ret);
@@ -769,18 +771,20 @@ static struct ehca_qp *internal_create_qp(
goto create_qp_exit2;
}
- my_qp->sq_map.entries = my_qp->ipz_squeue.queue_length /
- my_qp->ipz_squeue.qe_size;
- my_qp->sq_map.map = vmalloc(my_qp->sq_map.entries *
- sizeof(struct ehca_qmap_entry));
- if (!my_qp->sq_map.map) {
- ehca_err(pd->device, "Couldn't allocate squeue "
- "map ret=%i", ret);
- goto create_qp_exit3;
+ if (!is_user) {
+ my_qp->sq_map.entries = my_qp->ipz_squeue.queue_length /
+ my_qp->ipz_squeue.qe_size;
+ my_qp->sq_map.map = vmalloc(my_qp->sq_map.entries *
+ sizeof(struct ehca_qmap_entry));
+ if (!my_qp->sq_map.map) {
+ ehca_err(pd->device, "Couldn't allocate squeue "
+ "map ret=%i", ret);
+ goto create_qp_exit3;
+ }
+ INIT_LIST_HEAD(&my_qp->sq_err_node);
+ /* to avoid the generation of bogus flush CQEs */
+ reset_queue_map(&my_qp->sq_map);
}
- INIT_LIST_HEAD(&my_qp->sq_err_node);
- /* to avoid the generation of bogus flush CQEs */
- reset_queue_map(&my_qp->sq_map);
}
if (HAS_RQ(my_qp)) {
@@ -792,20 +796,21 @@ static struct ehca_qp *internal_create_qp(
"and pages ret=%i", ret);
goto create_qp_exit4;
}
-
- my_qp->rq_map.entries = my_qp->ipz_rqueue.queue_length /
- my_qp->ipz_rqueue.qe_size;
- my_qp->rq_map.map = vmalloc(my_qp->rq_map.entries *
- sizeof(struct ehca_qmap_entry));
- if (!my_qp->rq_map.map) {
- ehca_err(pd->device, "Couldn't allocate squeue "
- "map ret=%i", ret);
- goto create_qp_exit5;
+ if (!is_user) {
+ my_qp->rq_map.entries = my_qp->ipz_rqueue.queue_length /
+ my_qp->ipz_rqueue.qe_size;
+ my_qp->rq_map.map = vmalloc(my_qp->rq_map.entries *
+ sizeof(struct ehca_qmap_entry));
+ if (!my_qp->rq_map.map) {
+ ehca_err(pd->device, "Couldn't allocate squeue "
+ "map ret=%i", ret);
+ goto create_qp_exit5;
+ }
+ INIT_LIST_HEAD(&my_qp->rq_err_node);
+ /* to avoid the generation of bogus flush CQEs */
+ reset_queue_map(&my_qp->rq_map);
}
- INIT_LIST_HEAD(&my_qp->rq_err_node);
- /* to avoid the generation of bogus flush CQEs */
- reset_queue_map(&my_qp->rq_map);
- } else if (init_attr->srq) {
+ } else if (init_attr->srq && !is_user) {
/* this is a base QP, use the queue map of the SRQ */
my_qp->rq_map = my_srq->rq_map;
INIT_LIST_HEAD(&my_qp->rq_err_node);
@@ -918,7 +923,7 @@ create_qp_exit7:
kfree(my_qp->mod_qp_parm);
create_qp_exit6:
- if (HAS_RQ(my_qp))
+ if (HAS_RQ(my_qp) && !is_user)
vfree(my_qp->rq_map.map);
create_qp_exit5:
@@ -926,7 +931,7 @@ create_qp_exit5:
ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue);
create_qp_exit4:
- if (HAS_SQ(my_qp))
+ if (HAS_SQ(my_qp) && !is_user)
vfree(my_qp->sq_map.map);
create_qp_exit3:
@@ -1244,6 +1249,7 @@ static int internal_modify_qp(struct ib_qp *ibqp,
u64 update_mask;
u64 h_ret;
int bad_wqe_cnt = 0;
+ int is_user = 0;
int squeue_locked = 0;
unsigned long flags = 0;
@@ -1266,6 +1272,8 @@ static int internal_modify_qp(struct ib_qp *ibqp,
ret = ehca2ib_return_code(h_ret);
goto modify_qp_exit1;
}
+ if (ibqp->uobject)
+ is_user = 1;
qp_cur_state = ehca2ib_qp_state(mqpcb->qp_state);
@@ -1728,7 +1736,8 @@ static int internal_modify_qp(struct ib_qp *ibqp,
goto modify_qp_exit2;
}
}
- if ((qp_new_state == IB_QPS_ERR) && (qp_cur_state != IB_QPS_ERR)) {
+ if ((qp_new_state == IB_QPS_ERR) && (qp_cur_state != IB_QPS_ERR)
+ && !is_user) {
ret = check_for_left_cqes(my_qp, shca);
if (ret)
goto modify_qp_exit2;
@@ -1738,16 +1747,17 @@ static int internal_modify_qp(struct ib_qp *ibqp,
ipz_qeit_reset(&my_qp->ipz_rqueue);
ipz_qeit_reset(&my_qp->ipz_squeue);
- if (qp_cur_state == IB_QPS_ERR) {
+ if (qp_cur_state == IB_QPS_ERR && !is_user) {
del_from_err_list(my_qp->send_cq, &my_qp->sq_err_node);
if (HAS_RQ(my_qp))
del_from_err_list(my_qp->recv_cq,
&my_qp->rq_err_node);
}
- reset_queue_map(&my_qp->sq_map);
+ if (!is_user)
+ reset_queue_map(&my_qp->sq_map);
- if (HAS_RQ(my_qp))
+ if (HAS_RQ(my_qp) && !is_user)
reset_queue_map(&my_qp->rq_map);
}
@@ -1952,19 +1962,13 @@ int ehca_query_qp(struct ib_qp *qp,
qp_attr->cap.max_inline_data = my_qp->sq_max_inline_data_size;
qp_attr->dest_qp_num = qpcb->dest_qp_nr;
- qp_attr->pkey_index =
- EHCA_BMASK_GET(MQPCB_PRIM_P_KEY_IDX, qpcb->prim_p_key_idx);
-
- qp_attr->port_num =
- EHCA_BMASK_GET(MQPCB_PRIM_PHYS_PORT, qpcb->prim_phys_port);
-
+ qp_attr->pkey_index = qpcb->prim_p_key_idx;
+ qp_attr->port_num = qpcb->prim_phys_port;
qp_attr->timeout = qpcb->timeout;
qp_attr->retry_cnt = qpcb->retry_count;
qp_attr->rnr_retry = qpcb->rnr_retry_count;
- qp_attr->alt_pkey_index =
- EHCA_BMASK_GET(MQPCB_PRIM_P_KEY_IDX, qpcb->alt_p_key_idx);
-
+ qp_attr->alt_pkey_index = qpcb->alt_p_key_idx;
qp_attr->alt_port_num = qpcb->alt_phys_port;
qp_attr->alt_timeout = qpcb->timeout_al;
@@ -2051,8 +2055,7 @@ int ehca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
update_mask |=
EHCA_BMASK_SET(MQPCB_MASK_CURR_SRQ_LIMIT, 1)
| EHCA_BMASK_SET(MQPCB_MASK_QP_AFF_ASYN_EV_LOG_REG, 1);
- mqpcb->curr_srq_limit =
- EHCA_BMASK_SET(MQPCB_CURR_SRQ_LIMIT, attr->srq_limit);
+ mqpcb->curr_srq_limit = attr->srq_limit;
mqpcb->qp_aff_asyn_ev_log_reg =
EHCA_BMASK_SET(QPX_AAELOG_RESET_SRQ_LIMIT, 1);
}
@@ -2115,8 +2118,7 @@ int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr)
srq_attr->max_wr = qpcb->max_nr_outst_recv_wr - 1;
srq_attr->max_sge = 3;
- srq_attr->srq_limit = EHCA_BMASK_GET(
- MQPCB_CURR_SRQ_LIMIT, qpcb->curr_srq_limit);
+ srq_attr->srq_limit = qpcb->curr_srq_limit;
if (ehca_debug_level >= 2)
ehca_dmp(qpcb, 4*70, "qp_num=%x", my_qp->real_qp_num);
@@ -2138,10 +2140,12 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
int ret;
u64 h_ret;
u8 port_num;
+ int is_user = 0;
enum ib_qp_type qp_type;
unsigned long flags;
if (uobject) {
+ is_user = 1;
if (my_qp->mm_count_galpa ||
my_qp->mm_count_rqueue || my_qp->mm_count_squeue) {
ehca_err(dev, "Resources still referenced in "
@@ -2168,10 +2172,10 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
* SRQs will never get into an error list and do not have a recv_cq,
* so we need to skip them here.
*/
- if (HAS_RQ(my_qp) && !IS_SRQ(my_qp))
+ if (HAS_RQ(my_qp) && !IS_SRQ(my_qp) && !is_user)
del_from_err_list(my_qp->recv_cq, &my_qp->rq_err_node);
- if (HAS_SQ(my_qp))
+ if (HAS_SQ(my_qp) && !is_user)
del_from_err_list(my_qp->send_cq, &my_qp->sq_err_node);
/* now wait until all pending events have completed */
@@ -2209,13 +2213,13 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp,
if (HAS_RQ(my_qp)) {
ipz_queue_dtor(my_pd, &my_qp->ipz_rqueue);
-
- vfree(my_qp->rq_map.map);
+ if (!is_user)
+ vfree(my_qp->rq_map.map);
}
if (HAS_SQ(my_qp)) {
ipz_queue_dtor(my_pd, &my_qp->ipz_squeue);
-
- vfree(my_qp->sq_map.map);
+ if (!is_user)
+ vfree(my_qp->sq_map.map);
}
kmem_cache_free(qp_cache, my_qp);
atomic_dec(&shca->num_qps);
diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c
index d0ab0c0d5e9..4d5dc3304d4 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.c
+++ b/drivers/infiniband/hw/ehca/hcp_if.c
@@ -284,7 +284,7 @@ u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle,
param->act_pages = (u32)outs[4];
if (ret == H_SUCCESS)
- hcp_galpas_ctor(&cq->galpas, outs[5], outs[6]);
+ hcp_galpas_ctor(&cq->galpas, 0, outs[5], outs[6]);
if (ret == H_NOT_ENOUGH_RESOURCES)
ehca_gen_err("Not enough resources. ret=%lli", ret);
@@ -293,7 +293,7 @@ u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle,
}
u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
- struct ehca_alloc_qp_parms *parms)
+ struct ehca_alloc_qp_parms *parms, int is_user)
{
u64 ret;
u64 allocate_controls, max_r10_reg, r11, r12;
@@ -359,7 +359,7 @@ u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
(u32)EHCA_BMASK_GET(H_ALL_RES_QP_RQUEUE_SIZE_PAGES, outs[4]);
if (ret == H_SUCCESS)
- hcp_galpas_ctor(&parms->galpas, outs[6], outs[6]);
+ hcp_galpas_ctor(&parms->galpas, is_user, outs[6], outs[6]);
if (ret == H_NOT_ENOUGH_RESOURCES)
ehca_gen_err("Not enough resources. ret=%lli", ret);
diff --git a/drivers/infiniband/hw/ehca/hcp_if.h b/drivers/infiniband/hw/ehca/hcp_if.h
index 2c3c6e0ea5c..39c1c3618ec 100644
--- a/drivers/infiniband/hw/ehca/hcp_if.h
+++ b/drivers/infiniband/hw/ehca/hcp_if.h
@@ -78,7 +78,7 @@ u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle,
* initialize resources, create empty QPPTs (2 rings).
*/
u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle,
- struct ehca_alloc_qp_parms *parms);
+ struct ehca_alloc_qp_parms *parms, int is_user);
u64 hipz_h_query_port(const struct ipz_adapter_handle adapter_handle,
const u8 port_id,
diff --git a/drivers/infiniband/hw/ehca/hcp_phyp.c b/drivers/infiniband/hw/ehca/hcp_phyp.c
index 214821095cb..b3e0e72e8a7 100644
--- a/drivers/infiniband/hw/ehca/hcp_phyp.c
+++ b/drivers/infiniband/hw/ehca/hcp_phyp.c
@@ -54,12 +54,15 @@ int hcall_unmap_page(u64 mapaddr)
return 0;
}
-int hcp_galpas_ctor(struct h_galpas *galpas,
+int hcp_galpas_ctor(struct h_galpas *galpas, int is_user,
u64 paddr_kernel, u64 paddr_user)
{
- int ret = hcall_map_page(paddr_kernel, &galpas->kernel.fw_handle);
- if (ret)
- return ret;
+ if (!is_user) {
+ int ret = hcall_map_page(paddr_kernel, &galpas->kernel.fw_handle);
+ if (ret)
+ return ret;
+ } else
+ galpas->kernel.fw_handle = 0;
galpas->user.fw_handle = paddr_user;
diff --git a/drivers/infiniband/hw/ehca/hcp_phyp.h b/drivers/infiniband/hw/ehca/hcp_phyp.h
index 5305c2a3ed9..204227d5303 100644
--- a/drivers/infiniband/hw/ehca/hcp_phyp.h
+++ b/drivers/infiniband/hw/ehca/hcp_phyp.h
@@ -78,7 +78,7 @@ static inline void hipz_galpa_store(struct h_galpa galpa, u32 offset, u64 value)
*(volatile u64 __force *)addr = value;
}
-int hcp_galpas_ctor(struct h_galpas *galpas,
+int hcp_galpas_ctor(struct h_galpas *galpas, int is_user,
u64 paddr_kernel, u64 paddr_user);
int hcp_galpas_dtor(struct h_galpas *galpas);
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.c b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
index c3a32846543..1227c593627 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.c
+++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.c
@@ -220,10 +220,13 @@ int ipz_queue_ctor(struct ehca_pd *pd, struct ipz_queue *queue,
queue->small_page = NULL;
/* allocate queue page pointers */
- queue->queue_pages = vmalloc(nr_of_pages * sizeof(void *));
+ queue->queue_pages = kmalloc(nr_of_pages * sizeof(void *), GFP_KERNEL);
if (!queue->queue_pages) {
- ehca_gen_err("Couldn't allocate queue page list");
- return 0;
+ queue->queue_pages = vmalloc(nr_of_pages * sizeof(void *));
+ if (!queue->queue_pages) {
+ ehca_gen_err("Couldn't allocate queue page list");
+ return 0;
+ }
}
memset(queue->queue_pages, 0, nr_of_pages * sizeof(void *));
@@ -240,7 +243,10 @@ int ipz_queue_ctor(struct ehca_pd *pd, struct ipz_queue *queue,
ipz_queue_ctor_exit0:
ehca_gen_err("Couldn't alloc pages queue=%p "
"nr_of_pages=%x", queue, nr_of_pages);
- vfree(queue->queue_pages);
+ if (is_vmalloc_addr(queue->queue_pages))
+ vfree(queue->queue_pages);
+ else
+ kfree(queue->queue_pages);
return 0;
}
@@ -262,7 +268,10 @@ int ipz_queue_dtor(struct ehca_pd *pd, struct ipz_queue *queue)
free_page((unsigned long)queue->queue_pages[i]);
}
- vfree(queue->queue_pages);
+ if (is_vmalloc_addr(queue->queue_pages))
+ vfree(queue->queue_pages);
+ else
+ kfree(queue->queue_pages);
return 1;
}
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 20724aee76f..c4a02648c8a 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1585,12 +1585,16 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
break;
case IB_WR_LOCAL_INV:
+ ctrl->srcrb_flags |=
+ cpu_to_be32(MLX4_WQE_CTRL_STRONG_ORDER);
set_local_inv_seg(wqe, wr->ex.invalidate_rkey);
wqe += sizeof (struct mlx4_wqe_local_inval_seg);
size += sizeof (struct mlx4_wqe_local_inval_seg) / 16;
break;
case IB_WR_FAST_REG_MR:
+ ctrl->srcrb_flags |=
+ cpu_to_be32(MLX4_WQE_CTRL_STRONG_ORDER);
set_fmr_seg(wqe, wr);
wqe += sizeof (struct mlx4_wqe_fmr_seg);
size += sizeof (struct mlx4_wqe_fmr_seg) / 16;
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c
index 6d55f9d748f..8c2ed994d54 100644
--- a/drivers/infiniband/hw/mthca/mthca_cmd.c
+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c
@@ -1059,7 +1059,7 @@ int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,
MTHCA_GET(field, outbox, QUERY_DEV_LIM_RSVD_MTT_OFFSET);
if (mthca_is_memfree(dev))
dev_lim->reserved_mtts = ALIGN((1 << (field >> 4)) * sizeof(u64),
- MTHCA_MTT_SEG_SIZE) / MTHCA_MTT_SEG_SIZE;
+ dev->limits.mtt_seg_size) / dev->limits.mtt_seg_size;
else
dev_lim->reserved_mtts = 1 << (field >> 4);
MTHCA_GET(field, outbox, QUERY_DEV_LIM_MAX_MRW_SZ_OFFSET);
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index 252590116df..9ef611f6dd3 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -159,6 +159,7 @@ struct mthca_limits {
int reserved_eqs;
int num_mpts;
int num_mtt_segs;
+ int mtt_seg_size;
int fmr_reserved_mtts;
int reserved_mtts;
int reserved_mrws;
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index 28f0e0c40d7..90e4e450a12 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -641,9 +641,11 @@ static void mthca_free_irqs(struct mthca_dev *dev)
if (dev->eq_table.have_irq)
free_irq(dev->pdev->irq, dev);
for (i = 0; i < MTHCA_NUM_EQ; ++i)
- if (dev->eq_table.eq[i].have_irq)
+ if (dev->eq_table.eq[i].have_irq) {
free_irq(dev->eq_table.eq[i].msi_x_vector,
dev->eq_table.eq + i);
+ dev->eq_table.eq[i].have_irq = 0;
+ }
}
static int mthca_map_reg(struct mthca_dev *dev,
diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c
index 1d83cf7caf3..13da9f1d24c 100644
--- a/drivers/infiniband/hw/mthca/mthca_main.c
+++ b/drivers/infiniband/hw/mthca/mthca_main.c
@@ -125,6 +125,10 @@ module_param_named(fmr_reserved_mtts, hca_profile.fmr_reserved_mtts, int, 0444);
MODULE_PARM_DESC(fmr_reserved_mtts,
"number of memory translation table segments reserved for FMR");
+static int log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8);
+module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);
+MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)");
+
static char mthca_version[] __devinitdata =
DRV_NAME ": Mellanox InfiniBand HCA driver v"
DRV_VERSION " (" DRV_RELDATE ")\n";
@@ -162,6 +166,7 @@ static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)
int err;
u8 status;
+ mdev->limits.mtt_seg_size = (1 << log_mtts_per_seg) * 8;
err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status);
if (err) {
mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n");
@@ -460,11 +465,11 @@ static int mthca_init_icm(struct mthca_dev *mdev,
}
/* CPU writes to non-reserved MTTs, while HCA might DMA to reserved mtts */
- mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * MTHCA_MTT_SEG_SIZE,
- dma_get_cache_alignment()) / MTHCA_MTT_SEG_SIZE;
+ mdev->limits.reserved_mtts = ALIGN(mdev->limits.reserved_mtts * mdev->limits.mtt_seg_size,
+ dma_get_cache_alignment()) / mdev->limits.mtt_seg_size;
mdev->mr_table.mtt_table = mthca_alloc_icm_table(mdev, init_hca->mtt_base,
- MTHCA_MTT_SEG_SIZE,
+ mdev->limits.mtt_seg_size,
mdev->limits.num_mtt_segs,
mdev->limits.reserved_mtts,
1, 0);
@@ -1315,6 +1320,12 @@ static void __init mthca_validate_profile(void)
printk(KERN_WARNING PFX "Corrected fmr_reserved_mtts to %d.\n",
hca_profile.fmr_reserved_mtts);
}
+
+ if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) {
+ printk(KERN_WARNING PFX "bad log_mtts_per_seg (%d). Using default - %d\n",
+ log_mtts_per_seg, ilog2(MTHCA_MTT_SEG_SIZE / 8));
+ log_mtts_per_seg = ilog2(MTHCA_MTT_SEG_SIZE / 8);
+ }
}
static int __init mthca_init(void)
diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
index 882e6b73591..d606edf1085 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -220,7 +220,7 @@ static struct mthca_mtt *__mthca_alloc_mtt(struct mthca_dev *dev, int size,
mtt->buddy = buddy;
mtt->order = 0;
- for (i = MTHCA_MTT_SEG_SIZE / 8; i < size; i <<= 1)
+ for (i = dev->limits.mtt_seg_size / 8; i < size; i <<= 1)
++mtt->order;
mtt->first_seg = mthca_alloc_mtt_range(dev, mtt->order, buddy);
@@ -267,7 +267,7 @@ static int __mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,
while (list_len > 0) {
mtt_entry[0] = cpu_to_be64(dev->mr_table.mtt_base +
- mtt->first_seg * MTHCA_MTT_SEG_SIZE +
+ mtt->first_seg * dev->limits.mtt_seg_size +
start_index * 8);
mtt_entry[1] = 0;
for (i = 0; i < list_len && i < MTHCA_MAILBOX_SIZE / 8 - 2; ++i)
@@ -326,7 +326,7 @@ static void mthca_tavor_write_mtt_seg(struct mthca_dev *dev,
u64 __iomem *mtts;
int i;
- mtts = dev->mr_table.tavor_fmr.mtt_base + mtt->first_seg * MTHCA_MTT_SEG_SIZE +
+ mtts = dev->mr_table.tavor_fmr.mtt_base + mtt->first_seg * dev->limits.mtt_seg_size +
start_index * sizeof (u64);
for (i = 0; i < list_len; ++i)
mthca_write64_raw(cpu_to_be64(buffer_list[i] | MTHCA_MTT_FLAG_PRESENT),
@@ -345,10 +345,10 @@ static void mthca_arbel_write_mtt_seg(struct mthca_dev *dev,
/* For Arbel, all MTTs must fit in the same page. */
BUG_ON(s / PAGE_SIZE != (s + list_len * sizeof(u64) - 1) / PAGE_SIZE);
/* Require full segments */
- BUG_ON(s % MTHCA_MTT_SEG_SIZE);
+ BUG_ON(s % dev->limits.mtt_seg_size);
mtts = mthca_table_find(dev->mr_table.mtt_table, mtt->first_seg +
- s / MTHCA_MTT_SEG_SIZE, &dma_handle);
+ s / dev->limits.mtt_seg_size, &dma_handle);
BUG_ON(!mtts);
@@ -479,7 +479,7 @@ int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,
if (mr->mtt)
mpt_entry->mtt_seg =
cpu_to_be64(dev->mr_table.mtt_base +
- mr->mtt->first_seg * MTHCA_MTT_SEG_SIZE);
+ mr->mtt->first_seg * dev->limits.mtt_seg_size);
if (0) {
mthca_dbg(dev, "Dumping MPT entry %08x:\n", mr->ibmr.lkey);
@@ -626,7 +626,7 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,
goto err_out_table;
}
- mtt_seg = mr->mtt->first_seg * MTHCA_MTT_SEG_SIZE;
+ mtt_seg = mr->mtt->first_seg * dev->limits.mtt_seg_size;
if (mthca_is_memfree(dev)) {
mr->mem.arbel.mtts = mthca_table_find(dev->mr_table.mtt_table,
@@ -908,7 +908,7 @@ int mthca_init_mr_table(struct mthca_dev *dev)
dev->mr_table.mtt_base);
dev->mr_table.tavor_fmr.mtt_base =
- ioremap(addr, mtts * MTHCA_MTT_SEG_SIZE);
+ ioremap(addr, mtts * dev->limits.mtt_seg_size);
if (!dev->mr_table.tavor_fmr.mtt_base) {
mthca_warn(dev, "MTT ioremap for FMR failed.\n");
err = -ENOMEM;
diff --git a/drivers/infiniband/hw/mthca/mthca_profile.c b/drivers/infiniband/hw/mthca/mthca_profile.c
index d168c254061..8edb28a9a0e 100644
--- a/drivers/infiniband/hw/mthca/mthca_profile.c
+++ b/drivers/infiniband/hw/mthca/mthca_profile.c
@@ -94,7 +94,7 @@ s64 mthca_make_profile(struct mthca_dev *dev,
profile[MTHCA_RES_RDB].size = MTHCA_RDB_ENTRY_SIZE;
profile[MTHCA_RES_MCG].size = MTHCA_MGM_ENTRY_SIZE;
profile[MTHCA_RES_MPT].size = dev_lim->mpt_entry_sz;
- profile[MTHCA_RES_MTT].size = MTHCA_MTT_SEG_SIZE;
+ profile[MTHCA_RES_MTT].size = dev->limits.mtt_seg_size;
profile[MTHCA_RES_UAR].size = dev_lim->uar_scratch_entry_sz;
profile[MTHCA_RES_UDAV].size = MTHCA_AV_SIZE;
profile[MTHCA_RES_UARC].size = request->uarc_size;
@@ -232,7 +232,7 @@ s64 mthca_make_profile(struct mthca_dev *dev,
dev->limits.num_mtt_segs = profile[i].num;
dev->mr_table.mtt_base = profile[i].start;
init_hca->mtt_base = profile[i].start;
- init_hca->mtt_seg_sz = ffs(MTHCA_MTT_SEG_SIZE) - 7;
+ init_hca->mtt_seg_sz = ffs(dev->limits.mtt_seg_size) - 7;
break;
case MTHCA_RES_UAR:
dev->limits.num_uars = profile[i].num;
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index b832a7b814a..4a84d02ece0 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -667,7 +667,7 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
i = 0;
while (((nes_read32(nesdev->regs+NES_SOFTWARE_RESET) & 0x00000040) == 0) && i++ < 10000)
mdelay(1);
- if (i >= 10000) {
+ if (i > 10000) {
nes_debug(NES_DBG_INIT, "Did not see full soft reset done.\n");
return 0;
}
@@ -675,7 +675,7 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
i = 0;
while ((nes_read_indexed(nesdev, NES_IDX_INT_CPU_STATUS) != 0x80) && i++ < 10000)
mdelay(1);
- if (i >= 10000) {
+ if (i > 10000) {
printk(KERN_ERR PFX "Internal CPU not ready, status = %02X\n",
nes_read_indexed(nesdev, NES_IDX_INT_CPU_STATUS));
return 0;
@@ -701,7 +701,7 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
i = 0;
while (((nes_read32(nesdev->regs+NES_SOFTWARE_RESET) & 0x00000040) == 0) && i++ < 10000)
mdelay(1);
- if (i >= 10000) {
+ if (i > 10000) {
nes_debug(NES_DBG_INIT, "Did not see port soft reset done.\n");
return 0;
}
@@ -711,7 +711,7 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
while (((u32temp = (nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_STATUS0)
& 0x0000000f)) != 0x0000000f) && i++ < 5000)
mdelay(1);
- if (i >= 5000) {
+ if (i > 5000) {
nes_debug(NES_DBG_INIT, "Serdes 0 not ready, status=%x\n", u32temp);
return 0;
}
@@ -722,7 +722,7 @@ static unsigned int nes_reset_adapter_ne020(struct nes_device *nesdev, u8 *OneG_
while (((u32temp = (nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_STATUS1)
& 0x0000000f)) != 0x0000000f) && i++ < 5000)
mdelay(1);
- if (i >= 5000) {
+ if (i > 5000) {
nes_debug(NES_DBG_INIT, "Serdes 1 not ready, status=%x\n", u32temp);
return 0;
}
@@ -792,7 +792,7 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
while (((u32temp = (nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_STATUS0)
& 0x0000000f)) != 0x0000000f) && i++ < 5000)
mdelay(1);
- if (i >= 5000) {
+ if (i > 5000) {
nes_debug(NES_DBG_PHY, "Init: serdes 0 not ready, status=%x\n", u32temp);
return 1;
}
@@ -815,7 +815,7 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
while (((u32temp = (nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_STATUS1)
& 0x0000000f)) != 0x0000000f) && (i++ < 5000))
mdelay(1);
- if (i >= 5000) {
+ if (i > 5000) {
printk("%s: Init: serdes 1 not ready, status=%x\n", __func__, u32temp);
/* return 1; */
}