aboutsummaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/mthca/mthca_mcg.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_mcg.c')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_mcg.c128
1 files changed, 35 insertions, 93 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_mcg.c b/drivers/infiniband/hw/mthca/mthca_mcg.c
index a8ad072be07..6304ae8f4a6 100644
--- a/drivers/infiniband/hw/mthca/mthca_mcg.c
+++ b/drivers/infiniband/hw/mthca/mthca_mcg.c
@@ -28,12 +28,10 @@
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
- *
- * $Id: mthca_mcg.c 1349 2004-12-16 21:09:43Z roland $
*/
#include <linux/string.h>
-#include <linux/slab.h>
+#include <linux/gfp.h>
#include "mthca_dev.h"
#include "mthca_cmd.h"
@@ -70,7 +68,6 @@ static int find_mgm(struct mthca_dev *dev,
struct mthca_mgm *mgm = mgm_mailbox->buf;
u8 *mgid;
int err;
- u8 status;
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
@@ -79,38 +76,22 @@ static int find_mgm(struct mthca_dev *dev,
memcpy(mgid, gid, 16);
- err = mthca_MGID_HASH(dev, mailbox, hash, &status);
- if (err)
- goto out;
- if (status) {
- mthca_err(dev, "MGID_HASH returned status %02x\n", status);
- err = -EINVAL;
+ err = mthca_MGID_HASH(dev, mailbox, hash);
+ if (err) {
+ mthca_err(dev, "MGID_HASH failed (%d)\n", err);
goto out;
}
if (0)
- mthca_dbg(dev, "Hash for %04x:%04x:%04x:%04x:"
- "%04x:%04x:%04x:%04x is %04x\n",
- be16_to_cpu(((__be16 *) gid)[0]),
- be16_to_cpu(((__be16 *) gid)[1]),
- be16_to_cpu(((__be16 *) gid)[2]),
- be16_to_cpu(((__be16 *) gid)[3]),
- be16_to_cpu(((__be16 *) gid)[4]),
- be16_to_cpu(((__be16 *) gid)[5]),
- be16_to_cpu(((__be16 *) gid)[6]),
- be16_to_cpu(((__be16 *) gid)[7]),
- *hash);
+ mthca_dbg(dev, "Hash for %pI6 is %04x\n", gid, *hash);
*index = *hash;
*prev = -1;
do {
- err = mthca_READ_MGM(dev, *index, mgm_mailbox, &status);
- if (err)
- goto out;
- if (status) {
- mthca_err(dev, "READ_MGM returned status %02x\n", status);
- err = -EINVAL;
+ err = mthca_READ_MGM(dev, *index, mgm_mailbox);
+ if (err) {
+ mthca_err(dev, "READ_MGM failed (%d)\n", err);
goto out;
}
@@ -146,7 +127,6 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
int link = 0;
int i;
int err;
- u8 status;
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
@@ -172,12 +152,9 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
goto out;
}
- err = mthca_READ_MGM(dev, index, mailbox, &status);
- if (err)
- goto out;
- if (status) {
- mthca_err(dev, "READ_MGM returned status %02x\n", status);
- err = -EINVAL;
+ err = mthca_READ_MGM(dev, index, mailbox);
+ if (err) {
+ mthca_err(dev, "READ_MGM failed (%d)\n", err);
goto out;
}
memset(mgm, 0, sizeof *mgm);
@@ -201,11 +178,9 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
goto out;
}
- err = mthca_WRITE_MGM(dev, index, mailbox, &status);
- if (err)
- goto out;
- if (status) {
- mthca_err(dev, "WRITE_MGM returned status %02x\n", status);
+ err = mthca_WRITE_MGM(dev, index, mailbox);
+ if (err) {
+ mthca_err(dev, "WRITE_MGM failed %d\n", err);
err = -EINVAL;
goto out;
}
@@ -213,24 +188,17 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
if (!link)
goto out;
- err = mthca_READ_MGM(dev, prev, mailbox, &status);
- if (err)
- goto out;
- if (status) {
- mthca_err(dev, "READ_MGM returned status %02x\n", status);
- err = -EINVAL;
+ err = mthca_READ_MGM(dev, prev, mailbox);
+ if (err) {
+ mthca_err(dev, "READ_MGM failed %d\n", err);
goto out;
}
mgm->next_gid_index = cpu_to_be32(index << 6);
- err = mthca_WRITE_MGM(dev, prev, mailbox, &status);
+ err = mthca_WRITE_MGM(dev, prev, mailbox);
if (err)
- goto out;
- if (status) {
- mthca_err(dev, "WRITE_MGM returned status %02x\n", status);
- err = -EINVAL;
- }
+ mthca_err(dev, "WRITE_MGM returned %d\n", err);
out:
if (err && link && index != -1) {
@@ -252,7 +220,6 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
int prev, index;
int i, loc;
int err;
- u8 status;
mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
if (IS_ERR(mailbox))
@@ -266,16 +233,7 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
goto out;
if (index == -1) {
- mthca_err(dev, "MGID %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x "
- "not found\n",
- be16_to_cpu(((__be16 *) gid->raw)[0]),
- be16_to_cpu(((__be16 *) gid->raw)[1]),
- be16_to_cpu(((__be16 *) gid->raw)[2]),
- be16_to_cpu(((__be16 *) gid->raw)[3]),
- be16_to_cpu(((__be16 *) gid->raw)[4]),
- be16_to_cpu(((__be16 *) gid->raw)[5]),
- be16_to_cpu(((__be16 *) gid->raw)[6]),
- be16_to_cpu(((__be16 *) gid->raw)[7]));
+ mthca_err(dev, "MGID %pI6 not found\n", gid->raw);
err = -EINVAL;
goto out;
}
@@ -296,12 +254,9 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
mgm->qp[loc] = mgm->qp[i - 1];
mgm->qp[i - 1] = 0;
- err = mthca_WRITE_MGM(dev, index, mailbox, &status);
- if (err)
- goto out;
- if (status) {
- mthca_err(dev, "WRITE_MGM returned status %02x\n", status);
- err = -EINVAL;
+ err = mthca_WRITE_MGM(dev, index, mailbox);
+ if (err) {
+ mthca_err(dev, "WRITE_MGM returned %d\n", err);
goto out;
}
@@ -313,24 +268,17 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
int amgm_index_to_free = be32_to_cpu(mgm->next_gid_index) >> 6;
if (amgm_index_to_free) {
err = mthca_READ_MGM(dev, amgm_index_to_free,
- mailbox, &status);
- if (err)
- goto out;
- if (status) {
- mthca_err(dev, "READ_MGM returned status %02x\n",
- status);
- err = -EINVAL;
+ mailbox);
+ if (err) {
+ mthca_err(dev, "READ_MGM returned %d\n", err);
goto out;
}
} else
memset(mgm->gid, 0, 16);
- err = mthca_WRITE_MGM(dev, index, mailbox, &status);
- if (err)
- goto out;
- if (status) {
- mthca_err(dev, "WRITE_MGM returned status %02x\n", status);
- err = -EINVAL;
+ err = mthca_WRITE_MGM(dev, index, mailbox);
+ if (err) {
+ mthca_err(dev, "WRITE_MGM returned %d\n", err);
goto out;
}
if (amgm_index_to_free) {
@@ -340,23 +288,17 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
} else {
/* Remove entry from AMGM */
int curr_next_index = be32_to_cpu(mgm->next_gid_index) >> 6;
- err = mthca_READ_MGM(dev, prev, mailbox, &status);
- if (err)
- goto out;
- if (status) {
- mthca_err(dev, "READ_MGM returned status %02x\n", status);
- err = -EINVAL;
+ err = mthca_READ_MGM(dev, prev, mailbox);
+ if (err) {
+ mthca_err(dev, "READ_MGM returned %d\n", err);
goto out;
}
mgm->next_gid_index = cpu_to_be32(curr_next_index << 6);
- err = mthca_WRITE_MGM(dev, prev, mailbox, &status);
- if (err)
- goto out;
- if (status) {
- mthca_err(dev, "WRITE_MGM returned status %02x\n", status);
- err = -EINVAL;
+ err = mthca_WRITE_MGM(dev, prev, mailbox);
+ if (err) {
+ mthca_err(dev, "WRITE_MGM returned %d\n", err);
goto out;
}
BUG_ON(index < dev->limits.num_mgms);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-11 03:33:14 +0000