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Diffstat (limited to 'drivers/infiniband/hw/cxgb4')
-rw-r--r--drivers/infiniband/hw/cxgb4/device.c28
-rw-r--r--drivers/infiniband/hw/cxgb4/ev.c55
-rw-r--r--drivers/infiniband/hw/cxgb4/t4.h4
3 files changed, 76 insertions, 11 deletions
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index e76358efcaa1..8386678f1159 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -241,12 +241,32 @@ static int dump_stag(int id, void *p, void *data)
struct c4iw_debugfs_data *stagd = data;
int space;
int cc;
+ struct fw_ri_tpte tpte;
+ int ret;
space = stagd->bufsize - stagd->pos - 1;
if (space == 0)
return 1;
- cc = snprintf(stagd->buf + stagd->pos, space, "0x%x\n", id<<8);
+ ret = cxgb4_read_tpte(stagd->devp->rdev.lldi.ports[0], (u32)id<<8,
+ (__be32 *)&tpte);
+ if (ret) {
+ dev_err(&stagd->devp->rdev.lldi.pdev->dev,
+ "%s cxgb4_read_tpte err %d\n", __func__, ret);
+ return ret;
+ }
+ cc = snprintf(stagd->buf + stagd->pos, space,
+ "stag: idx 0x%x valid %d key 0x%x state %d pdid %d "
+ "perm 0x%x ps %d len 0x%llx va 0x%llx\n",
+ (u32)id<<8,
+ G_FW_RI_TPTE_VALID(ntohl(tpte.valid_to_pdid)),
+ G_FW_RI_TPTE_STAGKEY(ntohl(tpte.valid_to_pdid)),
+ G_FW_RI_TPTE_STAGSTATE(ntohl(tpte.valid_to_pdid)),
+ G_FW_RI_TPTE_PDID(ntohl(tpte.valid_to_pdid)),
+ G_FW_RI_TPTE_PERM(ntohl(tpte.locread_to_qpid)),
+ G_FW_RI_TPTE_PS(ntohl(tpte.locread_to_qpid)),
+ ((u64)ntohl(tpte.len_hi) << 32) | ntohl(tpte.len_lo),
+ ((u64)ntohl(tpte.va_hi) << 32) | ntohl(tpte.va_lo_fbo));
if (cc < space)
stagd->pos += cc;
return 0;
@@ -259,7 +279,7 @@ static int stag_release(struct inode *inode, struct file *file)
printk(KERN_INFO "%s null stagd?\n", __func__);
return 0;
}
- kfree(stagd->buf);
+ vfree(stagd->buf);
kfree(stagd);
return 0;
}
@@ -282,8 +302,8 @@ static int stag_open(struct inode *inode, struct file *file)
idr_for_each(&stagd->devp->mmidr, count_idrs, &count);
spin_unlock_irq(&stagd->devp->lock);
- stagd->bufsize = count * sizeof("0x12345678\n");
- stagd->buf = kmalloc(stagd->bufsize, GFP_KERNEL);
+ stagd->bufsize = count * 256;
+ stagd->buf = vmalloc(stagd->bufsize);
if (!stagd->buf) {
ret = -ENOMEM;
goto err1;
diff --git a/drivers/infiniband/hw/cxgb4/ev.c b/drivers/infiniband/hw/cxgb4/ev.c
index d61d0a18f784..fbe6051af254 100644
--- a/drivers/infiniband/hw/cxgb4/ev.c
+++ b/drivers/infiniband/hw/cxgb4/ev.c
@@ -35,6 +35,55 @@
#include "iw_cxgb4.h"
+static void print_tpte(struct c4iw_dev *dev, u32 stag)
+{
+ int ret;
+ struct fw_ri_tpte tpte;
+
+ ret = cxgb4_read_tpte(dev->rdev.lldi.ports[0], stag,
+ (__be32 *)&tpte);
+ if (ret) {
+ dev_err(&dev->rdev.lldi.pdev->dev,
+ "%s cxgb4_read_tpte err %d\n", __func__, ret);
+ return;
+ }
+ PDBG("stag idx 0x%x valid %d key 0x%x state %d pdid %d "
+ "perm 0x%x ps %d len 0x%llx va 0x%llx\n",
+ stag & 0xffffff00,
+ G_FW_RI_TPTE_VALID(ntohl(tpte.valid_to_pdid)),
+ G_FW_RI_TPTE_STAGKEY(ntohl(tpte.valid_to_pdid)),
+ G_FW_RI_TPTE_STAGSTATE(ntohl(tpte.valid_to_pdid)),
+ G_FW_RI_TPTE_PDID(ntohl(tpte.valid_to_pdid)),
+ G_FW_RI_TPTE_PERM(ntohl(tpte.locread_to_qpid)),
+ G_FW_RI_TPTE_PS(ntohl(tpte.locread_to_qpid)),
+ ((u64)ntohl(tpte.len_hi) << 32) | ntohl(tpte.len_lo),
+ ((u64)ntohl(tpte.va_hi) << 32) | ntohl(tpte.va_lo_fbo));
+}
+
+static void dump_err_cqe(struct c4iw_dev *dev, struct t4_cqe *err_cqe)
+{
+ __be64 *p = (void *)err_cqe;
+
+ dev_err(&dev->rdev.lldi.pdev->dev,
+ "AE qpid %d opcode %d status 0x%x "
+ "type %d len 0x%x wrid.hi 0x%x wrid.lo 0x%x\n",
+ CQE_QPID(err_cqe), CQE_OPCODE(err_cqe),
+ CQE_STATUS(err_cqe), CQE_TYPE(err_cqe), ntohl(err_cqe->len),
+ CQE_WRID_HI(err_cqe), CQE_WRID_LOW(err_cqe));
+
+ PDBG("%016llx %016llx %016llx %016llx\n",
+ be64_to_cpu(p[0]), be64_to_cpu(p[1]), be64_to_cpu(p[2]),
+ be64_to_cpu(p[3]));
+
+ /*
+ * Ingress WRITE and READ_RESP errors provide
+ * the offending stag, so parse and log it.
+ */
+ if (RQ_TYPE(err_cqe) && (CQE_OPCODE(err_cqe) == FW_RI_RDMA_WRITE ||
+ CQE_OPCODE(err_cqe) == FW_RI_READ_RESP))
+ print_tpte(dev, CQE_WRID_STAG(err_cqe));
+}
+
static void post_qp_event(struct c4iw_dev *dev, struct c4iw_cq *chp,
struct c4iw_qp *qhp,
struct t4_cqe *err_cqe,
@@ -44,11 +93,7 @@ static void post_qp_event(struct c4iw_dev *dev, struct c4iw_cq *chp,
struct c4iw_qp_attributes attrs;
unsigned long flag;
- printk(KERN_ERR MOD "AE qpid 0x%x opcode %d status 0x%x "
- "type %d wrid.hi 0x%x wrid.lo 0x%x\n",
- CQE_QPID(err_cqe), CQE_OPCODE(err_cqe),
- CQE_STATUS(err_cqe), CQE_TYPE(err_cqe),
- CQE_WRID_HI(err_cqe), CQE_WRID_LOW(err_cqe));
+ dump_err_cqe(dev, err_cqe);
if (qhp->attr.state == C4IW_QP_STATE_RTS) {
attrs.next_state = C4IW_QP_STATE_TERMINATE;
diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index e64fa8b2be06..dd45186d1c55 100644
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -236,8 +236,8 @@ struct t4_cqe {
#define CQE_WRID_SQ_IDX(x) ((x)->u.scqe.cidx)
/* generic accessor macros */
-#define CQE_WRID_HI(x) ((x)->u.gen.wrid_hi)
-#define CQE_WRID_LOW(x) ((x)->u.gen.wrid_low)
+#define CQE_WRID_HI(x) (be32_to_cpu((x)->u.gen.wrid_hi))
+#define CQE_WRID_LOW(x) (be32_to_cpu((x)->u.gen.wrid_low))
/* macros for flit 3 of the cqe */
#define S_CQE_GENBIT 63
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