Signed-off-by: Sagi Grimberg <sagig@xxxxxxxxxxxx>
---
drivers/infiniband/hw/nes/nes_verbs.c | 27 +++++++++++++++++++++++++++
drivers/infiniband/hw/nes/nes_verbs.h | 5 +++++
2 files changed, 32 insertions(+)
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 752e6ea..532496d 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -51,6 +51,7 @@ atomic_t qps_created;
atomic_t sw_qps_destroyed;
static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev);
+static int nes_dereg_mr(struct ib_mr *ib_mr);
/**
* nes_alloc_mw
@@ -443,7 +444,25 @@ static struct ib_mr *nes_alloc_mr(struct ib_pd *ibpd,
nes_free_resource(nesadapter, nesadapter->allocated_mrs, stag_index);
ibmr = ERR_PTR(-ENOMEM);
}
+
+ nesmr->pl = kcalloc(max_entries, sizeof(u64), GFP_KERNEL);
+ if (!nesmr->pl)
+ goto err;
+
+ nesmr->mpl = pci_alloc_consistent(nesdev->pcidev,
+ max_entries * sizeof(u64),
+ &nesmr->mpl_addr);
+ if (!nesmr->mpl_addr)
+ goto err;
+
+ nesmr->max_pages = max_entries;
+
return ibmr;
+
+err:
+ nes_dereg_mr(ibmr);
+
+ return ERR_PTR(-ENOMEM);
}
/*
@@ -2681,6 +2700,14 @@ static int nes_dereg_mr(struct ib_mr *ib_mr)
u16 major_code;
u16 minor_code;
+
+ kfree(nesmr->pl);
+ if (nesmr->mpl)
+ pci_free_consistent(nesdev->pcidev,
+ nesmr->max_pages * sizeof(u64),
+ nesmr->mpl,
+ nesmr->mpl_addr);
+
if (nesmr->region) {
ib_umem_release(nesmr->region);
}
diff --git a/drivers/infiniband/hw/nes/nes_verbs.h b/drivers/infiniband/hw/nes/nes_verbs.h
index 309b31c..e99aa69 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.h
+++ b/drivers/infiniband/hw/nes/nes_verbs.h
@@ -79,6 +79,11 @@ struct nes_mr {
u16 pbls_used;
u8 mode;
u8 pbl_4k;
+ u64 *pl;
+ u64 *mpl;
+ dma_addr_t mpl_addr;
+ u32 max_pages;
+ u32 npages;
};
struct nes_hw_pb {
--
1.8.4.3
--
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