From: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
The usage of this ctxt data field is not hot path
and the value can be computed on demand to cut down
the ctxtdata bloat.
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@xxxxxxxxx>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx>
---
drivers/infiniband/hw/hfi1/chip.c | 2 +-
drivers/infiniband/hw/hfi1/file_ops.c | 6 +++---
drivers/infiniband/hw/hfi1/hfi.h | 15 +++++++++++++--
drivers/infiniband/hw/hfi1/init.c | 11 ++---------
4 files changed, 19 insertions(+), 15 deletions(-)
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index a4b435c..dc15919 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -11861,7 +11861,7 @@ void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op,
* sequence numbers could land exactly on the same spot.
* E.g. a rcd restart before the receive header wrapped.
*/
- memset(rcd->rcvhdrq, 0, rcd->rcvhdrq_size);
+ memset(rcd->rcvhdrq, 0, rcvhdrq_size(rcd));
/* starting timeout */
rcd->rcvavail_timeout = dd->rcv_intr_timeout_csr;
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index 32cd7c3..1fc7564 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -411,7 +411,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
mapio = 1;
break;
case RCV_HDRQ:
- memlen = uctxt->rcvhdrq_size;
+ memlen = rcvhdrq_size(uctxt);
memvirt = uctxt->rcvhdrq;
break;
case RCV_EGRBUF: {
@@ -521,7 +521,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
break;
case SUBCTXT_RCV_HDRQ:
memaddr = (u64)uctxt->subctxt_rcvhdr_base;
- memlen = uctxt->rcvhdrq_size * uctxt->subctxt_cnt;
+ memlen = rcvhdrq_size(uctxt) * uctxt->subctxt_cnt;
flags |= VM_IO | VM_DONTEXPAND;
vmf = 1;
break;
@@ -1044,7 +1044,7 @@ static int setup_subctxt(struct hfi1_ctxtdata *uctxt)
return -ENOMEM;
/* We can take the size of the RcvHdr Queue from the master */
- uctxt->subctxt_rcvhdr_base = vmalloc_user(uctxt->rcvhdrq_size *
+ uctxt->subctxt_rcvhdr_base = vmalloc_user(rcvhdrq_size(uctxt) *
num_subctxts);
if (!uctxt->subctxt_rcvhdr_base) {
ret = -ENOMEM;
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h
index ba6dd2c..4a8e593 100644
--- a/drivers/infiniband/hw/hfi1/hfi.h
+++ b/drivers/infiniband/hw/hfi1/hfi.h
@@ -201,8 +201,6 @@ struct hfi1_ctxtdata {
volatile __le64 *rcvhdrtail_kvaddr;
/* when waiting for rcv or pioavail */
wait_queue_head_t wait;
- /* rcvhdrq size (for freeing) */
- size_t rcvhdrq_size;
/* number of rcvhdrq entries */
u16 rcvhdrq_cnt;
/* size of each of the rcvhdrq entries */
@@ -324,6 +322,19 @@ struct hfi1_ctxtdata {
u8 vnic_q_idx;
};
+/**
+ * rcvhdrq_size - return total size in bytes for header queue
+ * @rcd: the receive context
+ *
+ * rcvhdrqentsize is in DWs, so we have to convert to bytes
+ *
+ */
+static inline u32 rcvhdrq_size(struct hfi1_ctxtdata *rcd)
+{
+ return PAGE_ALIGN(rcd->rcvhdrq_cnt *
+ rcd->rcvhdrqentsize * sizeof(u32));
+}
+
/*
* Represents a single packet at a high level. Put commonly computed things in
* here so we do not have to keep doing them over and over. The rule of thumb is
diff --git a/drivers/infiniband/hw/hfi1/init.c b/drivers/infiniband/hw/hfi1/init.c
index 84a7a6e..fc6349f 100644
--- a/drivers/infiniband/hw/hfi1/init.c
+++ b/drivers/infiniband/hw/hfi1/init.c
@@ -1128,7 +1128,7 @@ void hfi1_free_ctxtdata(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd)
return;
if (rcd->rcvhdrq) {
- dma_free_coherent(&dd->pcidev->dev, rcd->rcvhdrq_size,
+ dma_free_coherent(&dd->pcidev->dev, rcvhdrq_size(rcd),
rcd->rcvhdrq, rcd->rcvhdrq_dma);
rcd->rcvhdrq = NULL;
if (rcd->rcvhdrtail_kvaddr) {
@@ -1839,12 +1839,7 @@ int hfi1_create_rcvhdrq(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd)
if (!rcd->rcvhdrq) {
gfp_t gfp_flags;
- /*
- * rcvhdrqentsize is in DWs, so we have to convert to bytes
- * (* sizeof(u32)).
- */
- amt = PAGE_ALIGN(rcd->rcvhdrq_cnt * rcd->rcvhdrqentsize *
- sizeof(u32));
+ amt = rcvhdrq_size(rcd);
if (rcd->ctxt < dd->first_dyn_alloc_ctxt || rcd->is_vnic)
gfp_flags = GFP_KERNEL;
@@ -1869,8 +1864,6 @@ int hfi1_create_rcvhdrq(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd)
if (!rcd->rcvhdrtail_kvaddr)
goto bail_free;
}
-
- rcd->rcvhdrq_size = amt;
}
/*
* These values are per-context:
--
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