diff options
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_classes.h | 2 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_cq.c | 4 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_main.c | 35 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_qp.c | 4 |
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); |