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Diffstat (limited to 'drivers/infiniband/hw/cxgb3')
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c13
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cm.c19
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_ev.c12
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c45
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.h33
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c2
6 files changed, 56 insertions, 68 deletions
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index d737c73..f5e9aee 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -36,6 +36,7 @@
#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/pci.h>
+#include <linux/dma-mapping.h>
#include "cxio_resource.h"
#include "cxio_hal.h"
@@ -497,9 +498,9 @@ static int cxio_hal_init_ctrl_qp(struct cxio_rdev *rdev_p)
u64 sge_cmd, ctx0, ctx1;
u64 base_addr;
struct t3_modify_qp_wr *wqe;
- struct sk_buff *skb = alloc_skb(sizeof(*wqe), GFP_KERNEL);
-
+ struct sk_buff *skb;
+ skb = alloc_skb(sizeof(*wqe), GFP_KERNEL);
if (!skb) {
PDBG("%s alloc_skb failed\n", __FUNCTION__);
return -ENOMEM;
@@ -507,7 +508,7 @@ static int cxio_hal_init_ctrl_qp(struct cxio_rdev *rdev_p)
err = cxio_hal_init_ctrl_cq(rdev_p);
if (err) {
PDBG("%s err %d initializing ctrl_cq\n", __FUNCTION__, err);
- return err;
+ goto err;
}
rdev_p->ctrl_qp.workq = dma_alloc_coherent(
&(rdev_p->rnic_info.pdev->dev),
@@ -517,7 +518,8 @@ static int cxio_hal_init_ctrl_qp(struct cxio_rdev *rdev_p)
GFP_KERNEL);
if (!rdev_p->ctrl_qp.workq) {
PDBG("%s dma_alloc_coherent failed\n", __FUNCTION__);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto err;
}
pci_unmap_addr_set(&rdev_p->ctrl_qp, mapping,
rdev_p->ctrl_qp.dma_addr);
@@ -555,6 +557,9 @@ static int cxio_hal_init_ctrl_qp(struct cxio_rdev *rdev_p)
rdev_p->ctrl_qp.workq, 1 << T3_CTRL_QP_SIZE_LOG2);
skb->priority = CPL_PRIORITY_CONTROL;
return (cxgb3_ofld_send(rdev_p->t3cdev_p, skb));
+err:
+ kfree_skb(skb);
+ return err;
}
static int cxio_hal_destroy_ctrl_qp(struct cxio_rdev *rdev_p)
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index b21fde8..d0ed1d3 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -305,8 +305,7 @@ static int status2errno(int status)
*/
static struct sk_buff *get_skb(struct sk_buff *skb, int len, gfp_t gfp)
{
- if (skb) {
- BUG_ON(skb_cloned(skb));
+ if (skb && !skb_is_nonlinear(skb) && !skb_cloned(skb)) {
skb_trim(skb, 0);
skb_get(skb);
} else {
@@ -1415,6 +1414,7 @@ static int peer_close(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
wake_up(&ep->com.waitq);
break;
case FPDU_MODE:
+ start_ep_timer(ep);
__state_set(&ep->com, CLOSING);
attrs.next_state = IWCH_QP_STATE_CLOSING;
iwch_modify_qp(ep->com.qp->rhp, ep->com.qp,
@@ -1425,7 +1425,6 @@ static int peer_close(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
disconnect = 0;
break;
case CLOSING:
- start_ep_timer(ep);
__state_set(&ep->com, MORIBUND);
disconnect = 0;
break;
@@ -1487,8 +1486,10 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
case CONNECTING:
break;
case MPA_REQ_WAIT:
+ stop_ep_timer(ep);
break;
case MPA_REQ_SENT:
+ stop_ep_timer(ep);
connect_reply_upcall(ep, -ECONNRESET);
break;
case MPA_REP_SENT:
@@ -1507,9 +1508,10 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
get_ep(&ep->com);
break;
case MORIBUND:
+ case CLOSING:
stop_ep_timer(ep);
+ /*FALLTHROUGH*/
case FPDU_MODE:
- case CLOSING:
if (ep->com.cm_id && ep->com.qp) {
attrs.next_state = IWCH_QP_STATE_ERROR;
ret = iwch_modify_qp(ep->com.qp->rhp,
@@ -1570,7 +1572,6 @@ static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
spin_lock_irqsave(&ep->com.lock, flags);
switch (ep->com.state) {
case CLOSING:
- start_ep_timer(ep);
__state_set(&ep->com, MORIBUND);
break;
case MORIBUND:
@@ -1586,6 +1587,8 @@ static int close_con_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
__state_set(&ep->com, DEAD);
release = 1;
break;
+ case ABORTING:
+ break;
case DEAD:
default:
BUG_ON(1);
@@ -1659,6 +1662,7 @@ static void ep_timeout(unsigned long arg)
break;
case MPA_REQ_WAIT:
break;
+ case CLOSING:
case MORIBUND:
if (ep->com.cm_id && ep->com.qp) {
attrs.next_state = IWCH_QP_STATE_ERROR;
@@ -1687,12 +1691,11 @@ int iwch_reject_cr(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len)
return -ECONNRESET;
}
BUG_ON(state_read(&ep->com) != MPA_REQ_RCVD);
- state_set(&ep->com, CLOSING);
if (mpa_rev == 0)
abort_connection(ep, NULL, GFP_KERNEL);
else {
err = send_mpa_reject(ep, pdata, pdata_len);
- err = send_halfclose(ep, GFP_KERNEL);
+ err = iwch_ep_disconnect(ep, 0, GFP_KERNEL);
}
return 0;
}
@@ -1957,11 +1960,11 @@ int iwch_ep_disconnect(struct iwch_ep *ep, int abrupt, gfp_t gfp)
case MPA_REQ_RCVD:
case MPA_REP_SENT:
case FPDU_MODE:
+ start_ep_timer(ep);
ep->com.state = CLOSING;
close = 1;
break;
case CLOSING:
- start_ep_timer(ep);
ep->com.state = MORIBUND;
close = 1;
break;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_ev.c b/drivers/infiniband/hw/cxgb3/iwch_ev.c
index 54362af..b406766 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_ev.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_ev.c
@@ -47,12 +47,6 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp,
struct iwch_qp_attributes attrs;
struct iwch_qp *qhp;
- printk(KERN_ERR "%s - AE qpid 0x%x opcode %d status 0x%x "
- "type %d wrid.hi 0x%x wrid.lo 0x%x \n", __FUNCTION__,
- CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe),
- CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe),
- CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
-
spin_lock(&rnicp->lock);
qhp = get_qhp(rnicp, CQE_QPID(rsp_msg->cqe));
@@ -73,6 +67,12 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp,
return;
}
+ printk(KERN_ERR "%s - AE qpid 0x%x opcode %d status 0x%x "
+ "type %d wrid.hi 0x%x wrid.lo 0x%x \n", __FUNCTION__,
+ CQE_QPID(rsp_msg->cqe), CQE_OPCODE(rsp_msg->cqe),
+ CQE_STATUS(rsp_msg->cqe), CQE_TYPE(rsp_msg->cqe),
+ CQE_WRID_HI(rsp_msg->cqe), CQE_WRID_LOW(rsp_msg->cqe));
+
atomic_inc(&qhp->refcnt);
spin_unlock(&rnicp->lock);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 9947a14..24e0df0 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -331,6 +331,7 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
int ret = 0;
struct iwch_mm_entry *mm;
struct iwch_ucontext *ucontext;
+ u64 addr;
PDBG("%s pgoff 0x%lx key 0x%x len %d\n", __FUNCTION__, vma->vm_pgoff,
key, len);
@@ -345,10 +346,11 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
mm = remove_mmap(ucontext, key, len);
if (!mm)
return -EINVAL;
+ addr = mm->addr;
kfree(mm);
- if ((mm->addr >= rdev_p->rnic_info.udbell_physbase) &&
- (mm->addr < (rdev_p->rnic_info.udbell_physbase +
+ if ((addr >= rdev_p->rnic_info.udbell_physbase) &&
+ (addr < (rdev_p->rnic_info.udbell_physbase +
rdev_p->rnic_info.udbell_len))) {
/*
@@ -362,7 +364,7 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND;
vma->vm_flags &= ~VM_MAYREAD;
ret = io_remap_pfn_range(vma, vma->vm_start,
- mm->addr >> PAGE_SHIFT,
+ addr >> PAGE_SHIFT,
len, vma->vm_page_prot);
} else {
@@ -370,7 +372,7 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
* Map WQ or CQ contig dma memory...
*/
ret = remap_pfn_range(vma, vma->vm_start,
- mm->addr >> PAGE_SHIFT,
+ addr >> PAGE_SHIFT,
len, vma->vm_page_prot);
}
@@ -463,9 +465,6 @@ static struct ib_mr *iwch_register_phys_mem(struct ib_pd *pd,
php = to_iwch_pd(pd);
rhp = php->rhp;
- acc = iwch_convert_access(acc);
-
-
mhp = kzalloc(sizeof(*mhp), GFP_KERNEL);
if (!mhp)
return ERR_PTR(-ENOMEM);
@@ -491,12 +490,7 @@ static struct ib_mr *iwch_register_phys_mem(struct ib_pd *pd,
mhp->attr.pdid = php->pdid;
mhp->attr.zbva = 0;
- /* NOTE: TPT perms are backwards from BIND WR perms! */
- mhp->attr.perms = (acc & 0x1) << 3;
- mhp->attr.perms |= (acc & 0x2) << 1;
- mhp->attr.perms |= (acc & 0x4) >> 1;
- mhp->attr.perms |= (acc & 0x8) >> 3;
-
+ mhp->attr.perms = iwch_ib_to_tpt_access(acc);
mhp->attr.va_fbo = *iova_start;
mhp->attr.page_size = shift - 12;
@@ -525,7 +519,6 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr,
struct iwch_mr mh, *mhp;
struct iwch_pd *php;
struct iwch_dev *rhp;
- int new_acc;
__be64 *page_list = NULL;
int shift = 0;
u64 total_size;
@@ -546,19 +539,20 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr,
if (rhp != php->rhp)
return -EINVAL;
- new_acc = mhp->attr.perms;
-
memcpy(&mh, mhp, sizeof *mhp);
if (mr_rereg_mask & IB_MR_REREG_PD)
php = to_iwch_pd(pd);
if (mr_rereg_mask & IB_MR_REREG_ACCESS)
- mh.attr.perms = iwch_convert_access(acc);
- if (mr_rereg_mask & IB_MR_REREG_TRANS)
+ mh.attr.perms = iwch_ib_to_tpt_access(acc);
+ if (mr_rereg_mask & IB_MR_REREG_TRANS) {
ret = build_phys_page_list(buffer_list, num_phys_buf,
iova_start,
&total_size, &npages,
&shift, &page_list);
+ if (ret)
+ return ret;
+ }
ret = iwch_reregister_mem(rhp, php, &mh, shift, page_list, npages);
kfree(page_list);
@@ -568,7 +562,7 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr,
if (mr_rereg_mask & IB_MR_REREG_PD)
mhp->attr.pdid = php->pdid;
if (mr_rereg_mask & IB_MR_REREG_ACCESS)
- mhp->attr.perms = acc;
+ mhp->attr.perms = iwch_ib_to_tpt_access(acc);
if (mr_rereg_mask & IB_MR_REREG_TRANS) {
mhp->attr.zbva = 0;
mhp->attr.va_fbo = *iova_start;
@@ -613,8 +607,6 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, struct ib_umem *region,
goto err;
}
- acc = iwch_convert_access(acc);
-
i = n = 0;
list_for_each_entry(chunk, &region->chunk_list, list)
@@ -630,10 +622,7 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, struct ib_umem *region,
mhp->rhp = rhp;
mhp->attr.pdid = php->pdid;
mhp->attr.zbva = 0;
- mhp->attr.perms = (acc & 0x1) << 3;
- mhp->attr.perms |= (acc & 0x2) << 1;
- mhp->attr.perms |= (acc & 0x4) >> 1;
- mhp->attr.perms |= (acc & 0x8) >> 3;
+ mhp->attr.perms = iwch_ib_to_tpt_access(acc);
mhp->attr.va_fbo = region->virt_base;
mhp->attr.page_size = shift - 12;
mhp->attr.len = (u32) region->length;
@@ -736,10 +725,8 @@ static int iwch_destroy_qp(struct ib_qp *ib_qp)
qhp = to_iwch_qp(ib_qp);
rhp = qhp->rhp;
- if (qhp->attr.state == IWCH_QP_STATE_RTS) {
- attrs.next_state = IWCH_QP_STATE_ERROR;
- iwch_modify_qp(rhp, qhp, IWCH_QP_ATTR_NEXT_STATE, &attrs, 0);
- }
+ attrs.next_state = IWCH_QP_STATE_ERROR;
+ iwch_modify_qp(rhp, qhp, IWCH_QP_ATTR_NEXT_STATE, &attrs, 0);
wait_event(qhp->wait, !qhp->ep);
remove_handle(rhp, &rhp->qpidr, qhp->wq.qpid);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.h b/drivers/infiniband/hw/cxgb3/iwch_provider.h
index de0fe1b..93bcc56 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.h
@@ -286,27 +286,20 @@ static inline int iwch_convert_state(enum ib_qp_state ib_state)
}
}
-enum iwch_mem_perms {
- IWCH_MEM_ACCESS_LOCAL_READ = 1 << 0,
- IWCH_MEM_ACCESS_LOCAL_WRITE = 1 << 1,
- IWCH_MEM_ACCESS_REMOTE_READ = 1 << 2,
- IWCH_MEM_ACCESS_REMOTE_WRITE = 1 << 3,
- IWCH_MEM_ACCESS_ATOMICS = 1 << 4,
- IWCH_MEM_ACCESS_BINDING = 1 << 5,
- IWCH_MEM_ACCESS_LOCAL =
- (IWCH_MEM_ACCESS_LOCAL_READ | IWCH_MEM_ACCESS_LOCAL_WRITE),
- IWCH_MEM_ACCESS_REMOTE =
- (IWCH_MEM_ACCESS_REMOTE_WRITE | IWCH_MEM_ACCESS_REMOTE_READ)
- /* cannot go beyond 1 << 31 */
-} __attribute__ ((packed));
-
-static inline u32 iwch_convert_access(int acc)
+static inline u32 iwch_ib_to_tpt_access(int acc)
{
- return (acc & IB_ACCESS_REMOTE_WRITE ? IWCH_MEM_ACCESS_REMOTE_WRITE : 0)
- | (acc & IB_ACCESS_REMOTE_READ ? IWCH_MEM_ACCESS_REMOTE_READ : 0) |
- (acc & IB_ACCESS_LOCAL_WRITE ? IWCH_MEM_ACCESS_LOCAL_WRITE : 0) |
- (acc & IB_ACCESS_MW_BIND ? IWCH_MEM_ACCESS_BINDING : 0) |
- IWCH_MEM_ACCESS_LOCAL_READ;
+ return (acc & IB_ACCESS_REMOTE_WRITE ? TPT_REMOTE_WRITE : 0) |
+ (acc & IB_ACCESS_REMOTE_READ ? TPT_REMOTE_READ : 0) |
+ (acc & IB_ACCESS_LOCAL_WRITE ? TPT_LOCAL_WRITE : 0) |
+ TPT_LOCAL_READ;
+}
+
+static inline u32 iwch_ib_to_mwbind_access(int acc)
+{
+ return (acc & IB_ACCESS_REMOTE_WRITE ? T3_MEM_ACCESS_REM_WRITE : 0) |
+ (acc & IB_ACCESS_REMOTE_READ ? T3_MEM_ACCESS_REM_READ : 0) |
+ (acc & IB_ACCESS_LOCAL_WRITE ? T3_MEM_ACCESS_LOCAL_WRITE : 0) |
+ T3_MEM_ACCESS_LOCAL_READ;
}
enum iwch_mmid_state {
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 9ea00cc..0a472c9 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -439,7 +439,7 @@ int iwch_bind_mw(struct ib_qp *qp,
wqe->bind.type = T3_VA_BASED_TO;
/* TBD: check perms */
- wqe->bind.perms = iwch_convert_access(mw_bind->mw_access_flags);
+ wqe->bind.perms = iwch_ib_to_mwbind_access(mw_bind->mw_access_flags);
wqe->bind.mr_stag = cpu_to_be32(mw_bind->mr->lkey);
wqe->bind.mw_stag = cpu_to_be32(mw->rkey);
wqe->bind.mw_len = cpu_to_be32(mw_bind->length);
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