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authorVipul Pandya <vipul@chelsio.com>2013-03-14 05:08:58 +0000
committerDavid S. Miller <davem@davemloft.net>2013-03-14 11:35:58 -0400
commitf079af7a117504b5b307b727858c972261047907 (patch)
tree69db19177b801eccd935815057470cff15d3f9e9 /drivers/infiniband/hw/cxgb4/device.c
parentcxgb4vf: Add support for Chelsio T5 adapter (diff)
downloadlinux-dev-f079af7a117504b5b307b727858c972261047907.tar.xz
linux-dev-f079af7a117504b5b307b727858c972261047907.zip
RDMA/cxgb4: Add Support for Chelsio T5 adapter
Adds support for Chelsio T5 adapter. Enables T5's Write Combining feature. Signed-off-by: Vipul Pandya <vipul@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/infiniband/hw/cxgb4/device.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/device.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index 80069ad595c1..3487c08828f7 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -41,7 +41,7 @@
#define DRV_VERSION "0.1"
MODULE_AUTHOR("Steve Wise");
-MODULE_DESCRIPTION("Chelsio T4 RDMA Driver");
+MODULE_DESCRIPTION("Chelsio T4/T5 RDMA Driver");
MODULE_LICENSE("Dual BSD/GPL");
MODULE_VERSION(DRV_VERSION);
@@ -614,7 +614,7 @@ static int rdma_supported(const struct cxgb4_lld_info *infop)
{
return infop->vr->stag.size > 0 && infop->vr->pbl.size > 0 &&
infop->vr->rq.size > 0 && infop->vr->qp.size > 0 &&
- infop->vr->cq.size > 0 && infop->vr->ocq.size > 0;
+ infop->vr->cq.size > 0;
}
static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop)
@@ -627,6 +627,11 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop)
pci_name(infop->pdev));
return ERR_PTR(-ENOSYS);
}
+ if (!ocqp_supported(infop))
+ pr_info("%s: On-Chip Queues not supported on this device.\n",
+ pci_name(infop->pdev));
+ if (!is_t4(infop->adapter_type))
+ db_fc_threshold = 100000;
devp = (struct c4iw_dev *)ib_alloc_device(sizeof(*devp));
if (!devp) {
printk(KERN_ERR MOD "Cannot allocate ib device\n");
@@ -678,8 +683,8 @@ static void *c4iw_uld_add(const struct cxgb4_lld_info *infop)
int i;
if (!vers_printed++)
- printk(KERN_INFO MOD "Chelsio T4 RDMA Driver - version %s\n",
- DRV_VERSION);
+ pr_info("Chelsio T4/T5 RDMA Driver - version %s\n",
+ DRV_VERSION);
ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
if (!ctx) {