RDMA/nes: Print hardware resource type

Hardware resource types are added and when a resource isn't available,
its type is printed.

Signed-off-by: Tatyana Nikolova <Tatyana.E.Nikolova@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index c438e46..0da62b9 100644 (file)
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -399,11 +399,20 @@ static inline void nes_write8(void __iomem *addr, u8 val)
        writeb(val, addr);
 }
 
-
+enum nes_resource {
+       NES_RESOURCE_MW = 1,
+       NES_RESOURCE_FAST_MR,
+       NES_RESOURCE_PHYS_MR,
+       NES_RESOURCE_USER_MR,
+       NES_RESOURCE_PD,
+       NES_RESOURCE_QP,
+       NES_RESOURCE_CQ,
+       NES_RESOURCE_ARP
+};
 
 static inline int nes_alloc_resource(struct nes_adapter *nesadapter,
                unsigned long *resource_array, u32 max_resources,
-               u32 *req_resource_num, u32 *next)
+               u32 *req_resource_num, u32 *next, enum nes_resource resource_type)
 {
        unsigned long flags;
        u32 resource_num;
@@ -414,7 +423,7 @@ static inline int nes_alloc_resource(struct nes_adapter *nesadapter,
        if (resource_num >= max_resources) {
                resource_num = find_first_zero_bit(resource_array, max_resources);
                if (resource_num >= max_resources) {
-                       printk(KERN_ERR PFX "%s: No available resourcess.\n", __func__);
+                       printk(KERN_ERR PFX "%s: No available resources [type=%u].\n", __func__, resource_type);
                        spin_unlock_irqrestore(&nesadapter->resource_lock, flags);
                        return -EMFILE;
                }

diff --git a/drivers/infiniband/hw/nes/nes_utils.c b/drivers/infiniband/hw/nes/nes_utils.c
index e98f4fc..2042c0f 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_utils.c
+++ b/drivers/infiniband/hw/nes/nes_utils.c
@@ -699,7 +699,7 @@ int nes_arp_table(struct nes_device *nesdev, u32 ip_addr, u8 *mac_addr, u32 acti
 
                arp_index = 0;
                err = nes_alloc_resource(nesadapter, nesadapter->allocated_arps,
-                               nesadapter->arp_table_size, (u32 *)&arp_index, &nesadapter->next_arp_index);
+                               nesadapter->arp_table_size, (u32 *)&arp_index, &nesadapter->next_arp_index, NES_RESOURCE_ARP);
                if (err) {
                        nes_debug(NES_DBG_NETDEV, "nes_alloc_resource returned error = %u\n", err);
                        return err;

diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 8b8812d..1dadcf3 100644 (file)
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -80,7 +80,7 @@ static struct ib_mw *nes_alloc_mw(struct ib_pd *ibpd) {
        next_stag_index %= nesadapter->max_mr;
 
        ret = nes_alloc_resource(nesadapter, nesadapter->allocated_mrs,
-                       nesadapter->max_mr, &stag_index, &next_stag_index);
+                       nesadapter->max_mr, &stag_index, &next_stag_index, NES_RESOURCE_MW);
        if (ret) {
                return ERR_PTR(ret);
        }
@@ -404,7 +404,7 @@ static struct ib_mr *nes_alloc_fast_reg_mr(struct ib_pd *ibpd, int max_page_list
 
        err = nes_alloc_resource(nesadapter, nesadapter->allocated_mrs,
                                 nesadapter->max_mr, &stag_index,
-                                &next_stag_index);
+                                &next_stag_index, NES_RESOURCE_FAST_MR);
        if (err)
                return ERR_PTR(err);
 
@@ -780,7 +780,7 @@ static struct ib_pd *nes_alloc_pd(struct ib_device *ibdev,
                        netdev_refcnt_read(nesvnic->netdev));
 
        err = nes_alloc_resource(nesadapter, nesadapter->allocated_pds,
-                       nesadapter->max_pd, &pd_num, &nesadapter->next_pd);
+                       nesadapter->max_pd, &pd_num, &nesadapter->next_pd, NES_RESOURCE_PD);
        if (err) {
                return ERR_PTR(err);
        }
@@ -1157,7 +1157,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
                        nes_debug(NES_DBG_QP, "RQ size=%u, SQ Size=%u\n", rq_size, sq_size);
 
                        ret = nes_alloc_resource(nesadapter, nesadapter->allocated_qps,
-                                       nesadapter->max_qp, &qp_num, &nesadapter->next_qp);
+                                       nesadapter->max_qp, &qp_num, &nesadapter->next_qp, NES_RESOURCE_QP);
                        if (ret) {
                                return ERR_PTR(ret);
                        }
@@ -1546,7 +1546,7 @@ static struct ib_cq *nes_create_cq(struct ib_device *ibdev, int entries,
                return ERR_PTR(-EINVAL);
 
        err = nes_alloc_resource(nesadapter, nesadapter->allocated_cqs,
-                       nesadapter->max_cq, &cq_num, &nesadapter->next_cq);
+                       nesadapter->max_cq, &cq_num, &nesadapter->next_cq, NES_RESOURCE_CQ);
        if (err) {
                return ERR_PTR(err);
        }
@@ -2129,7 +2129,7 @@ static struct ib_mr *nes_reg_phys_mr(struct ib_pd *ib_pd,
                return ERR_PTR(-EINVAL);
 
        err = nes_alloc_resource(nesadapter, nesadapter->allocated_mrs, nesadapter->max_mr,
-                       &stag_index, &next_stag_index);
+                       &stag_index, &next_stag_index, NES_RESOURCE_PHYS_MR);
        if (err) {
                return ERR_PTR(err);
        }
@@ -2360,7 +2360,7 @@ static struct ib_mr *nes_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
                        next_stag_index %= nesadapter->max_mr;
 
                        err = nes_alloc_resource(nesadapter, nesadapter->allocated_mrs,
-                                       nesadapter->max_mr, &stag_index, &next_stag_index);
+                                       nesadapter->max_mr, &stag_index, &next_stag_index, NES_RESOURCE_USER_MR);
                        if (err) {
                                ib_umem_release(region);
                                return ERR_PTR(err);