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authorChuck Lever2016-06-29 19:53:27 +0200
committerAnna Schumaker2016-07-11 21:50:43 +0200
commitb54054ca5590f59469437fc4a78a978edcb01c31 (patch)
tree2523f55eee453aa189fa0fa8a482ee1ab35f695c /net/sunrpc/xprtrdma/verbs.c
parentxprtrdma: Remove rpcrdma_map_one() and friends (diff)
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xprtrdma: Clean up device capability detection
Clean up: Move device capability detection into memreg-specific source files. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Tested-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'net/sunrpc/xprtrdma/verbs.c')
-rw-r--r--net/sunrpc/xprtrdma/verbs.c43
1 files changed, 14 insertions, 29 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index b80e767fe687..cd4c5f1d554a 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -389,44 +389,29 @@ rpcrdma_ia_open(struct rpcrdma_xprt *xprt, struct sockaddr *addr, int memreg)
ia->ri_pd = ib_alloc_pd(ia->ri_device);
if (IS_ERR(ia->ri_pd)) {
rc = PTR_ERR(ia->ri_pd);
- dprintk("RPC: %s: ib_alloc_pd() failed %i\n",
- __func__, rc);
+ pr_err("rpcrdma: ib_alloc_pd() returned %d\n", rc);
goto out2;
}
- if (memreg == RPCRDMA_FRMR) {
- if (!(ia->ri_device->attrs.device_cap_flags &
- IB_DEVICE_MEM_MGT_EXTENSIONS) ||
- (ia->ri_device->attrs.max_fast_reg_page_list_len == 0)) {
- dprintk("RPC: %s: FRMR registration "
- "not supported by HCA\n", __func__);
- memreg = RPCRDMA_MTHCAFMR;
- }
- }
- if (memreg == RPCRDMA_MTHCAFMR) {
- if (!ia->ri_device->alloc_fmr) {
- dprintk("RPC: %s: MTHCAFMR registration "
- "not supported by HCA\n", __func__);
- rc = -EINVAL;
- goto out3;
- }
- }
-
switch (memreg) {
case RPCRDMA_FRMR:
- ia->ri_ops = &rpcrdma_frwr_memreg_ops;
- break;
+ if (frwr_is_supported(ia)) {
+ ia->ri_ops = &rpcrdma_frwr_memreg_ops;
+ break;
+ }
+ /*FALLTHROUGH*/
case RPCRDMA_MTHCAFMR:
- ia->ri_ops = &rpcrdma_fmr_memreg_ops;
- break;
+ if (fmr_is_supported(ia)) {
+ ia->ri_ops = &rpcrdma_fmr_memreg_ops;
+ break;
+ }
+ /*FALLTHROUGH*/
default:
- printk(KERN_ERR "RPC: Unsupported memory "
- "registration mode: %d\n", memreg);
- rc = -ENOMEM;
+ pr_err("rpcrdma: Unsupported memory registration mode: %d\n",
+ memreg);
+ rc = -EINVAL;
goto out3;
}
- dprintk("RPC: %s: memory registration strategy is '%s'\n",
- __func__, ia->ri_ops->ro_displayname);
return 0;