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path: root/drivers/staging/rdma/hfi1/user_sdma.c
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Diffstat (limited to 'drivers/staging/rdma/hfi1/user_sdma.c')
-rw-r--r--drivers/staging/rdma/hfi1/user_sdma.c44
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/staging/rdma/hfi1/user_sdma.c b/drivers/staging/rdma/hfi1/user_sdma.c
index 36c838d..41408f8 100644
--- a/drivers/staging/rdma/hfi1/user_sdma.c
+++ b/drivers/staging/rdma/hfi1/user_sdma.c
@@ -146,8 +146,8 @@ MODULE_PARM_DESC(sdma_comp_size, "Size of User SDMA completion ring. Default: 12
#define KDETH_OM_MAX_SIZE (1 << ((KDETH_OM_LARGE / KDETH_OM_SMALL) + 1))
/* Last packet in the request */
-#define TXREQ_FLAGS_REQ_LAST_PKT (1 << 0)
-#define TXREQ_FLAGS_IOVEC_LAST_PKT (1 << 0)
+#define TXREQ_FLAGS_REQ_LAST_PKT BIT(0)
+#define TXREQ_FLAGS_IOVEC_LAST_PKT BIT(0)
#define SDMA_REQ_IN_USE 0
#define SDMA_REQ_FOR_THREAD 1
@@ -156,9 +156,9 @@ MODULE_PARM_DESC(sdma_comp_size, "Size of User SDMA completion ring. Default: 12
#define SDMA_REQ_HAS_ERROR 4
#define SDMA_REQ_DONE_ERROR 5
-#define SDMA_PKT_Q_INACTIVE (1 << 0)
-#define SDMA_PKT_Q_ACTIVE (1 << 1)
-#define SDMA_PKT_Q_DEFERRED (1 << 2)
+#define SDMA_PKT_Q_INACTIVE BIT(0)
+#define SDMA_PKT_Q_ACTIVE BIT(1)
+#define SDMA_PKT_Q_DEFERRED BIT(2)
/*
* Maximum retry attempts to submit a TX request
@@ -352,6 +352,7 @@ static void sdma_kmem_cache_ctor(void *obj)
int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, struct file *fp)
{
+ struct hfi1_filedata *fd;
int ret = 0;
unsigned memsize;
char buf[64];
@@ -365,6 +366,8 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, struct file *fp)
goto done;
}
+ fd = fp->private_data;
+
if (!hfi1_sdma_comp_ring_size) {
ret = -EINVAL;
goto done;
@@ -384,7 +387,7 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, struct file *fp)
INIT_LIST_HEAD(&pq->list);
pq->dd = dd;
pq->ctxt = uctxt->ctxt;
- pq->subctxt = subctxt_fp(fp);
+ pq->subctxt = fd->subctxt;
pq->n_max_reqs = hfi1_sdma_comp_ring_size;
pq->state = SDMA_PKT_Q_INACTIVE;
atomic_set(&pq->n_reqs, 0);
@@ -393,7 +396,7 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, struct file *fp)
activate_packet_queue);
pq->reqidx = 0;
snprintf(buf, 64, "txreq-kmem-cache-%u-%u-%u", dd->unit, uctxt->ctxt,
- subctxt_fp(fp));
+ fd->subctxt);
pq->txreq_cache = kmem_cache_create(buf,
sizeof(struct user_sdma_txreq),
L1_CACHE_BYTES,
@@ -404,7 +407,7 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, struct file *fp)
uctxt->ctxt);
goto pq_txreq_nomem;
}
- user_sdma_pkt_fp(fp) = pq;
+ fd->pq = pq;
cq = kzalloc(sizeof(*cq), GFP_KERNEL);
if (!cq)
goto cq_nomem;
@@ -416,7 +419,7 @@ int hfi1_user_sdma_alloc_queues(struct hfi1_ctxtdata *uctxt, struct file *fp)
goto cq_comps_nomem;
cq->nentries = hfi1_sdma_comp_ring_size;
- user_sdma_comp_fp(fp) = cq;
+ fd->cq = cq;
spin_lock_irqsave(&uctxt->sdma_qlock, flags);
list_add(&pq->list, &uctxt->sdma_queues);
@@ -431,7 +434,7 @@ pq_txreq_nomem:
kfree(pq->reqs);
pq_reqs_nomem:
kfree(pq);
- user_sdma_pkt_fp(fp) = NULL;
+ fd->pq = NULL;
pq_nomem:
ret = -ENOMEM;
done:
@@ -485,9 +488,10 @@ int hfi1_user_sdma_process_request(struct file *fp, struct iovec *iovec,
unsigned long dim, unsigned long *count)
{
int ret = 0, i = 0, sent;
- struct hfi1_ctxtdata *uctxt = ctxt_fp(fp);
- struct hfi1_user_sdma_pkt_q *pq = user_sdma_pkt_fp(fp);
- struct hfi1_user_sdma_comp_q *cq = user_sdma_comp_fp(fp);
+ struct hfi1_filedata *fd = fp->private_data;
+ struct hfi1_ctxtdata *uctxt = fd->uctxt;
+ struct hfi1_user_sdma_pkt_q *pq = fd->pq;
+ struct hfi1_user_sdma_comp_q *cq = fd->cq;
struct hfi1_devdata *dd = pq->dd;
unsigned long idx = 0;
u8 pcount = initial_pkt_count;
@@ -499,7 +503,7 @@ int hfi1_user_sdma_process_request(struct file *fp, struct iovec *iovec,
hfi1_cdbg(
SDMA,
"[%u:%u:%u] First vector not big enough for header %lu/%lu",
- dd->unit, uctxt->ctxt, subctxt_fp(fp),
+ dd->unit, uctxt->ctxt, fd->subctxt,
iovec[idx].iov_len, sizeof(info) + sizeof(req->hdr));
ret = -EINVAL;
goto done;
@@ -507,15 +511,15 @@ int hfi1_user_sdma_process_request(struct file *fp, struct iovec *iovec,
ret = copy_from_user(&info, iovec[idx].iov_base, sizeof(info));
if (ret) {
hfi1_cdbg(SDMA, "[%u:%u:%u] Failed to copy info QW (%d)",
- dd->unit, uctxt->ctxt, subctxt_fp(fp), ret);
+ dd->unit, uctxt->ctxt, fd->subctxt, ret);
ret = -EFAULT;
goto done;
}
- trace_hfi1_sdma_user_reqinfo(dd, uctxt->ctxt, subctxt_fp(fp),
+ trace_hfi1_sdma_user_reqinfo(dd, uctxt->ctxt, fd->subctxt,
(u16 *)&info);
if (cq->comps[info.comp_idx].status == QUEUED) {
hfi1_cdbg(SDMA, "[%u:%u:%u] Entry %u is in QUEUED state",
- dd->unit, uctxt->ctxt, subctxt_fp(fp),
+ dd->unit, uctxt->ctxt, fd->subctxt,
info.comp_idx);
ret = -EBADSLT;
goto done;
@@ -523,7 +527,7 @@ int hfi1_user_sdma_process_request(struct file *fp, struct iovec *iovec,
if (!info.fragsize) {
hfi1_cdbg(SDMA,
"[%u:%u:%u:%u] Request does not specify fragsize",
- dd->unit, uctxt->ctxt, subctxt_fp(fp), info.comp_idx);
+ dd->unit, uctxt->ctxt, fd->subctxt, info.comp_idx);
ret = -EINVAL;
goto done;
}
@@ -532,7 +536,7 @@ int hfi1_user_sdma_process_request(struct file *fp, struct iovec *iovec,
* "allocate" the request entry.
*/
hfi1_cdbg(SDMA, "[%u:%u:%u] Using req/comp entry %u\n", dd->unit,
- uctxt->ctxt, subctxt_fp(fp), info.comp_idx);
+ uctxt->ctxt, fd->subctxt, info.comp_idx);
req = pq->reqs + info.comp_idx;
memset(req, 0, sizeof(*req));
/* Mark the request as IN_USE before we start filling it in. */
@@ -659,7 +663,7 @@ int hfi1_user_sdma_process_request(struct file *fp, struct iovec *iovec,
/* Have to select the engine */
req->sde = sdma_select_engine_vl(dd,
- (u32)(uctxt->ctxt + subctxt_fp(fp)),
+ (u32)(uctxt->ctxt + fd->subctxt),
vl);
if (!req->sde || !sdma_running(req->sde)) {
ret = -ECOMM;
generated by cgit v0.10.2 at 2024-09-02 00:11:50 (GMT)