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-rw-r--r--drivers/infiniband/hw/ehca/ehca_classes.h2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_cq.c4
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c35
-rw-r--r--drivers/infiniband/hw/ehca/ehca_qp.c4
4 files changed, 26 insertions, 19 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_classes.h b/drivers/infiniband/hw/ehca/ehca_classes.h
index 5d7b7855afb..4df887af66a 100644
--- a/drivers/infiniband/hw/ehca/ehca_classes.h
+++ b/drivers/infiniband/hw/ehca/ehca_classes.h
@@ -128,6 +128,8 @@ struct ehca_shca {
/* MR pgsize: bit 0-3 means 4K, 64K, 1M, 16M respectively */
u32 hca_cap_mr_pgsize;
int max_mtu;
+ int max_num_qps;
+ int max_num_cqs;
atomic_t num_cqs;
atomic_t num_qps;
};
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index 33647a95eb9..2f4c28a3027 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -132,9 +132,9 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
if (cqe >= 0xFFFFFFFF - 64 - additional_cqe)
return ERR_PTR(-EINVAL);
- if (!atomic_add_unless(&shca->num_cqs, 1, ehca_max_cq)) {
+ if (!atomic_add_unless(&shca->num_cqs, 1, shca->max_num_cqs)) {
ehca_err(device, "Unable to create CQ, max number of %i "
- "CQs reached.", ehca_max_cq);
+ "CQs reached.", shca->max_num_cqs);
ehca_err(device, "To increase the maximum number of CQs "
"use the number_of_cqs module parameter.\n");
return ERR_PTR(-ENOSPC);
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 598844d2edc..086959a0cbe 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -366,22 +366,23 @@ static int ehca_sense_attributes(struct ehca_shca *shca)
shca->hca_cap_mr_pgsize |= pgsize_map[i + 1];
/* Set maximum number of CQs and QPs to calculate EQ size */
- if (ehca_max_qp == -1)
- ehca_max_qp = min_t(int, rblock->max_qp, EHCA_MAX_NUM_QUEUES);
- else if (ehca_max_qp < 1 || ehca_max_qp > rblock->max_qp) {
- ehca_gen_err("Requested number of QPs is out of range (1 - %i) "
- "specified by HW", rblock->max_qp);
- ret = -EINVAL;
- goto sense_attributes1;
+ if (shca->max_num_qps == -1)
+ shca->max_num_qps = min_t(int, rblock->max_qp,
+ EHCA_MAX_NUM_QUEUES);
+ else if (shca->max_num_qps < 1 || shca->max_num_qps > rblock->max_qp) {
+ ehca_gen_warn("The requested number of QPs is out of range "
+ "(1 - %i) specified by HW. Value is set to %i",
+ rblock->max_qp, rblock->max_qp);
+ shca->max_num_qps = rblock->max_qp;
}
- if (ehca_max_cq == -1)
- ehca_max_cq = min_t(int, rblock->max_cq, EHCA_MAX_NUM_QUEUES);
- else if (ehca_max_cq < 1 || ehca_max_cq > rblock->max_cq) {
- ehca_gen_err("Requested number of CQs is out of range (1 - %i) "
- "specified by HW", rblock->max_cq);
- ret = -EINVAL;
- goto sense_attributes1;
+ if (shca->max_num_cqs == -1)
+ shca->max_num_cqs = min_t(int, rblock->max_cq,
+ EHCA_MAX_NUM_QUEUES);
+ else if (shca->max_num_cqs < 1 || shca->max_num_cqs > rblock->max_cq) {
+ ehca_gen_warn("The requested number of CQs is out of range "
+ "(1 - %i) specified by HW. Value is set to %i",
+ rblock->max_cq, rblock->max_cq);
}
/* query max MTU from first port -- it's the same for all ports */
@@ -733,9 +734,13 @@ static int __devinit ehca_probe(struct of_device *dev,
ehca_gen_err("Cannot allocate shca memory.");
return -ENOMEM;
}
+
mutex_init(&shca->modify_mutex);
atomic_set(&shca->num_cqs, 0);
atomic_set(&shca->num_qps, 0);
+ shca->max_num_qps = ehca_max_qp;
+ shca->max_num_cqs = ehca_max_cq;
+
for (i = 0; i < ARRAY_SIZE(shca->sport); i++)
spin_lock_init(&shca->sport[i].mod_sqp_lock);
@@ -755,7 +760,7 @@ static int __devinit ehca_probe(struct of_device *dev,
goto probe1;
}
- eq_size = 2 * ehca_max_cq + 4 * ehca_max_qp;
+ eq_size = 2 * shca->max_num_cqs + 4 * shca->max_num_qps;
/* create event queues */
ret = ehca_create_eq(shca, &shca->eq, EHCA_EQ, eq_size);
if (ret) {
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 40b578d601c..4d54b9f6456 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -465,9 +465,9 @@ static struct ehca_qp *internal_create_qp(
u32 swqe_size = 0, rwqe_size = 0, ib_qp_num;
unsigned long flags;
- if (!atomic_add_unless(&shca->num_qps, 1, ehca_max_qp)) {
+ if (!atomic_add_unless(&shca->num_qps, 1, shca->max_num_qps)) {
ehca_err(pd->device, "Unable to create QP, max number of %i "
- "QPs reached.", ehca_max_qp);
+ "QPs reached.", shca->max_num_qps);
ehca_err(pd->device, "To increase the maximum number of QPs "
"use the number_of_qps module parameter.\n");
return ERR_PTR(-ENOSPC);