summaryrefslogtreecommitdiff
path: root/net/rds/rdma.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:55:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:55:01 -0800
commitd7fc02c7bae7b1cf69269992cf880a43a350cdaa (patch)
treea43d56fa72913a1cc98a0bbebe054d08581b3a7c /net/rds/rdma.c
parentee1262dbc65ce0b6234a915d8432171e8d77f518 (diff)
parent28b4d5cc17c20786848cdc07b7ea237a309776bb (diff)
downloadlinux-3.10-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.tar.gz
linux-3.10-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.tar.bz2
linux-3.10-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1815 commits) mac80211: fix reorder buffer release iwmc3200wifi: Enable wimax core through module parameter iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter iwmc3200wifi: Coex table command does not expect a response iwmc3200wifi: Update wiwi priority table iwlwifi: driver version track kernel version iwlwifi: indicate uCode type when fail dump error/event log iwl3945: remove duplicated event logging code b43: fix two warnings ipw2100: fix rebooting hang with driver loaded cfg80211: indent regulatory messages with spaces iwmc3200wifi: fix NULL pointer dereference in pmkid update mac80211: Fix TX status reporting for injected data frames ath9k: enable 2GHz band only if the device supports it airo: Fix integer overflow warning rt2x00: Fix padding bug on L2PAD devices. WE: Fix set events not propagated b43legacy: avoid PPC fault during resume b43: avoid PPC fault during resume tcp: fix a timewait refcnt race ... Fix up conflicts due to sysctl cleanups (dead sysctl_check code and CTL_UNNUMBERED removed) in kernel/sysctl_check.c net/ipv4/sysctl_net_ipv4.c net/ipv6/addrconf.c net/sctp/sysctl.c
Diffstat (limited to 'net/rds/rdma.c')
-rw-r--r--net/rds/rdma.c36
1 files changed, 30 insertions, 6 deletions
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 8dc83d2caa5..4c64daa1f5d 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -317,6 +317,30 @@ int rds_get_mr(struct rds_sock *rs, char __user *optval, int optlen)
return __rds_rdma_map(rs, &args, NULL, NULL);
}
+int rds_get_mr_for_dest(struct rds_sock *rs, char __user *optval, int optlen)
+{
+ struct rds_get_mr_for_dest_args args;
+ struct rds_get_mr_args new_args;
+
+ if (optlen != sizeof(struct rds_get_mr_for_dest_args))
+ return -EINVAL;
+
+ if (copy_from_user(&args, (struct rds_get_mr_for_dest_args __user *)optval,
+ sizeof(struct rds_get_mr_for_dest_args)))
+ return -EFAULT;
+
+ /*
+ * Initially, just behave like get_mr().
+ * TODO: Implement get_mr as wrapper around this
+ * and deprecate it.
+ */
+ new_args.vec = args.vec;
+ new_args.cookie_addr = args.cookie_addr;
+ new_args.flags = args.flags;
+
+ return __rds_rdma_map(rs, &new_args, NULL, NULL);
+}
+
/*
* Free the MR indicated by the given R_Key
*/
@@ -607,8 +631,8 @@ int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,
{
struct rds_rdma_op *op;
- if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args))
- || rm->m_rdma_op != NULL)
+ if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_rdma_args)) ||
+ rm->m_rdma_op != NULL)
return -EINVAL;
op = rds_rdma_prepare(rs, CMSG_DATA(cmsg));
@@ -631,8 +655,8 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,
u32 r_key;
int err = 0;
- if (cmsg->cmsg_len < CMSG_LEN(sizeof(rds_rdma_cookie_t))
- || rm->m_rdma_cookie != 0)
+ if (cmsg->cmsg_len < CMSG_LEN(sizeof(rds_rdma_cookie_t)) ||
+ rm->m_rdma_cookie != 0)
return -EINVAL;
memcpy(&rm->m_rdma_cookie, CMSG_DATA(cmsg), sizeof(rm->m_rdma_cookie));
@@ -668,8 +692,8 @@ int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,
int rds_cmsg_rdma_map(struct rds_sock *rs, struct rds_message *rm,
struct cmsghdr *cmsg)
{
- if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_get_mr_args))
- || rm->m_rdma_cookie != 0)
+ if (cmsg->cmsg_len < CMSG_LEN(sizeof(struct rds_get_mr_args)) ||
+ rm->m_rdma_cookie != 0)
return -EINVAL;
return __rds_rdma_map(rs, CMSG_DATA(cmsg), &rm->m_rdma_cookie, &rm->m_rdma_mr);