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IB/hfi1: Use the same capability state for all shared contexts

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Save the current capability state at user context creation
time.  Report this saved value for all shared contexts.

Also get rid of unnecessary hfi1_get_base_kinfo function.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Dean Luick 2016-07-28 15:21:13 -04:00 committed by Doug Ledford
parent 53445bb32d
commit bdf7752e07
4 changed files with 12 additions and 21 deletions
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8
drivers/infiniband/hw/hfi1/chip.c
View File

@ -9648,14 +9648,6 @@ void hfi1_clear_tids(struct hfi1_ctxtdata *rcd)
hfi1_put_tid(dd, i, PT_INVALID, 0, 0);
}
int hfi1_get_base_kinfo(struct hfi1_ctxtdata *rcd,
struct hfi1_ctxt_info *kinfo)
{
kinfo->runtime_flags = (HFI1_MISC_GET() << HFI1_CAP_USER_SHIFT) |
HFI1_CAP_UGET(MASK) | HFI1_CAP_KGET(K2U);
return 0;
}
struct hfi1_message_header *hfi1_get_msgheader(
struct hfi1_devdata *dd, __le32 *rhf_addr)
{

2
drivers/infiniband/hw/hfi1/chip.h
View File

@ -1337,8 +1337,6 @@ void hfi1_start_cleanup(struct hfi1_devdata *dd);
void hfi1_clear_tids(struct hfi1_ctxtdata *rcd);
struct hfi1_message_header *hfi1_get_msgheader(
struct hfi1_devdata *dd, __le32 *rhf_addr);
int hfi1_get_base_kinfo(struct hfi1_ctxtdata *rcd,
struct hfi1_ctxt_info *kinfo);
int hfi1_init_ctxt(struct send_context *sc);
void hfi1_put_tid(struct hfi1_devdata *dd, u32 index,
u32 type, unsigned long pa, u16 order);

21
drivers/infiniband/hw/hfi1/file_ops.c
View File

@ -981,7 +981,7 @@ static int allocate_ctxt(struct file *fp, struct hfi1_devdata *dd,
return ret;
}
uctxt->userversion = uinfo->userversion;
uctxt->flags = HFI1_CAP_UGET(MASK);
uctxt->flags = hfi1_cap_mask; /* save current flag state */
init_waitqueue_head(&uctxt->wait);
strlcpy(uctxt->comm, current->comm, sizeof(uctxt->comm));
memcpy(uctxt->uuid, uinfo->uuid, sizeof(uctxt->uuid));
@ -1084,18 +1084,18 @@ static int user_init(struct file *fp)
hfi1_set_ctxt_jkey(uctxt->dd, uctxt->ctxt, uctxt->jkey);
rcvctrl_ops = HFI1_RCVCTRL_CTXT_ENB;
if (HFI1_CAP_KGET_MASK(uctxt->flags, HDRSUPP))
if (HFI1_CAP_UGET_MASK(uctxt->flags, HDRSUPP))
rcvctrl_ops |= HFI1_RCVCTRL_TIDFLOW_ENB;
/*
* Ignore the bit in the flags for now until proper
* support for multiple packet per rcv array entry is
* added.
*/
if (!HFI1_CAP_KGET_MASK(uctxt->flags, MULTI_PKT_EGR))
if (!HFI1_CAP_UGET_MASK(uctxt->flags, MULTI_PKT_EGR))
rcvctrl_ops |= HFI1_RCVCTRL_ONE_PKT_EGR_ENB;
if (HFI1_CAP_KGET_MASK(uctxt->flags, NODROP_EGR_FULL))
if (HFI1_CAP_UGET_MASK(uctxt->flags, NODROP_EGR_FULL))
rcvctrl_ops |= HFI1_RCVCTRL_NO_EGR_DROP_ENB;
if (HFI1_CAP_KGET_MASK(uctxt->flags, NODROP_RHQ_FULL))
if (HFI1_CAP_UGET_MASK(uctxt->flags, NODROP_RHQ_FULL))
rcvctrl_ops |= HFI1_RCVCTRL_NO_RHQ_DROP_ENB;
/*
* The RcvCtxtCtrl.TailUpd bit has to be explicitly written.
@ -1103,7 +1103,7 @@ static int user_init(struct file *fp)
* uses of the chip or ctxt. Therefore, add the rcvctrl op
* for both cases.
*/
if (HFI1_CAP_KGET_MASK(uctxt->flags, DMA_RTAIL))
if (HFI1_CAP_UGET_MASK(uctxt->flags, DMA_RTAIL))
rcvctrl_ops |= HFI1_RCVCTRL_TAILUPD_ENB;
else
rcvctrl_ops |= HFI1_RCVCTRL_TAILUPD_DIS;
@ -1126,9 +1126,10 @@ static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len)
int ret = 0;
memset(&cinfo, 0, sizeof(cinfo));
ret = hfi1_get_base_kinfo(uctxt, &cinfo);
if (ret < 0)
goto done;
cinfo.runtime_flags = (((uctxt->flags >> HFI1_CAP_MISC_SHIFT) &
HFI1_CAP_MISC_MASK) << HFI1_CAP_USER_SHIFT) |
HFI1_CAP_UGET_MASK(uctxt->flags, MASK) |
HFI1_CAP_KGET_MASK(uctxt->flags, K2U);
cinfo.num_active = hfi1_count_active_units();
cinfo.unit = uctxt->dd->unit;
cinfo.ctxt = uctxt->ctxt;
@ -1150,7 +1151,7 @@ static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len)
trace_hfi1_ctxt_info(uctxt->dd, uctxt->ctxt, fd->subctxt, cinfo);
if (copy_to_user(ubase, &cinfo, sizeof(cinfo)))
ret = -EFAULT;
done:
return ret;
}

2
drivers/infiniband/hw/hfi1/hfi.h
View File

@ -255,7 +255,7 @@ struct hfi1_ctxtdata {
/* chip offset of PIO buffers for this ctxt */
u32 piobufs;
/* per-context configuration flags */
u32 flags;
unsigned long flags;
/* per-context event flags for fileops/intr communication */
unsigned long event_flags;
/* WAIT_RCV that timed out, no interrupt */