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staging/rdma/hfi1: Remove file pointer macros

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Remove the following macros in favor of explicit use of struct hfi1_filedata and
various sub structures.

ctxt_fp
subctxt_fp
tidcursor_fp
user_sdma_pkt_fp
user_sdma_comp_fp

Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ira Weiny 2015-10-30 18:58:40 -04:00 committed by Greg Kroah-Hartman
parent 9062305b90
commit 9e10af4787
3 changed files with 84 additions and 86 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

124
drivers/staging/rdma/hfi1/file_ops.c
View File

@ -204,7 +204,8 @@ static ssize_t hfi1_file_write(struct file *fp, const char __user *data,
size_t count, loff_t *offset)
{
const struct hfi1_cmd __user *ucmd;
struct hfi1_ctxtdata *uctxt = ctxt_fp(fp);
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
struct hfi1_cmd cmd;
struct hfi1_user_info uinfo;
struct hfi1_tid_info tinfo;
@ -338,17 +339,17 @@ static ssize_t hfi1_file_write(struct file *fp, const char __user *data,
ret = exp_tid_free(fp, &tinfo);
break;
case HFI1_CMD_RECV_CTRL:
ret = manage_rcvq(uctxt, subctxt_fp(fp), (int)user_val);
ret = manage_rcvq(uctxt, fd->subctxt, (int)user_val);
break;
case HFI1_CMD_POLL_TYPE:
uctxt->poll_type = (typeof(uctxt->poll_type))user_val;
break;
case HFI1_CMD_ACK_EVENT:
ret = user_event_ack(uctxt, subctxt_fp(fp), user_val);
ret = user_event_ack(uctxt, fd->subctxt, user_val);
break;
case HFI1_CMD_SET_PKEY:
if (HFI1_CAP_IS_USET(PKEY_CHECK))
ret = set_ctxt_pkey(uctxt, subctxt_fp(fp), user_val);
ret = set_ctxt_pkey(uctxt, fd->subctxt, user_val);
else
ret = -EPERM;
break;
@ -431,13 +432,13 @@ bail:
static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from)
{
struct hfi1_user_sdma_pkt_q *pq;
struct hfi1_user_sdma_comp_q *cq;
struct hfi1_filedata *fd = kiocb->ki_filp->private_data;
struct hfi1_user_sdma_pkt_q *pq = fd->pq;
struct hfi1_user_sdma_comp_q *cq = fd->cq;
int ret = 0, done = 0, reqs = 0;
unsigned long dim = from->nr_segs;
if (!user_sdma_comp_fp(kiocb->ki_filp) ||
!user_sdma_pkt_fp(kiocb->ki_filp)) {
if (!cq || !pq) {
ret = -EIO;
goto done;
}
@ -448,10 +449,7 @@ static ssize_t hfi1_write_iter(struct kiocb *kiocb, struct iov_iter *from)
}
hfi1_cdbg(SDMA, "SDMA request from %u:%u (%lu)",
ctxt_fp(kiocb->ki_filp)->ctxt, subctxt_fp(kiocb->ki_filp),
dim);
pq = user_sdma_pkt_fp(kiocb->ki_filp);
cq = user_sdma_comp_fp(kiocb->ki_filp);
fd->uctxt->ctxt, fd->subctxt, dim);
if (atomic_read(&pq->n_reqs) == pq->n_max_reqs) {
ret = -ENOSPC;
@ -476,7 +474,8 @@ done:
static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
{
struct hfi1_ctxtdata *uctxt;
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
struct hfi1_devdata *dd;
unsigned long flags, pfn;
u64 token = vma->vm_pgoff << PAGE_SHIFT,
@ -486,7 +485,6 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
int ret = 0;
u16 ctxt;
uctxt = ctxt_fp(fp);
if (!is_valid_mmap(token) || !uctxt ||
!(vma->vm_flags & VM_SHARED)) {
ret = -EINVAL;
@ -496,7 +494,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
ctxt = HFI1_MMAP_TOKEN_GET(CTXT, token);
subctxt = HFI1_MMAP_TOKEN_GET(SUBCTXT, token);
type = HFI1_MMAP_TOKEN_GET(TYPE, token);
if (ctxt != uctxt->ctxt || subctxt != subctxt_fp(fp)) {
if (ctxt != uctxt->ctxt || subctxt != fd->subctxt) {
ret = -EINVAL;
goto done;
}
@ -660,13 +658,12 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
vmf = 1;
break;
case SDMA_COMP: {
struct hfi1_user_sdma_comp_q *cq;
struct hfi1_user_sdma_comp_q *cq = fd->cq;
if (!user_sdma_comp_fp(fp)) {
if (!cq) {
ret = -EFAULT;
goto done;
}
cq = user_sdma_comp_fp(fp);
memaddr = (u64)cq->comps;
memlen = ALIGN(sizeof(*cq->comps) * cq->nentries, PAGE_SIZE);
flags |= VM_IO | VM_DONTEXPAND;
@ -680,7 +677,7 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
if ((vma->vm_end - vma->vm_start) != memlen) {
hfi1_cdbg(PROC, "%u:%u Memory size mismatch %lu:%lu",
uctxt->ctxt, subctxt_fp(fp),
uctxt->ctxt, fd->subctxt,
(vma->vm_end - vma->vm_start), memlen);
ret = -EINVAL;
goto done;
@ -730,7 +727,7 @@ static unsigned int hfi1_poll(struct file *fp, struct poll_table_struct *pt)
struct hfi1_ctxtdata *uctxt;
unsigned pollflag;
uctxt = ctxt_fp(fp);
uctxt = ((struct hfi1_filedata *)fp->private_data)->uctxt;
if (!uctxt)
pollflag = POLLERR;
else if (uctxt->poll_type == HFI1_POLL_TYPE_URGENT)
@ -930,6 +927,7 @@ static int find_shared_ctxt(struct file *fp,
{
int devmax, ndev, i;
int ret = 0;
struct hfi1_filedata *fd = fp->private_data;
devmax = hfi1_count_units(NULL, NULL);
@ -959,10 +957,10 @@ static int find_shared_ctxt(struct file *fp,
ret = -EINVAL;
goto done;
}
ctxt_fp(fp) = uctxt;
subctxt_fp(fp) = uctxt->cnt++;
uctxt->subpid[subctxt_fp(fp)] = current->pid;
uctxt->active_slaves |= 1 << subctxt_fp(fp);
fd->uctxt = uctxt;
fd->subctxt = uctxt->cnt++;
uctxt->subpid[fd->subctxt] = current->pid;
uctxt->active_slaves |= 1 << fd->subctxt;
ret = 1;
goto done;
}
@ -975,6 +973,7 @@ done:
static int allocate_ctxt(struct file *fp, struct hfi1_devdata *dd,
struct hfi1_user_info *uinfo)
{
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt;
unsigned ctxt;
int ret;
@ -1022,7 +1021,7 @@ static int allocate_ctxt(struct file *fp, struct hfi1_devdata *dd,
* This has to be done here so the rest of the sub-contexts find the
* proper master.
*/
if (uinfo->subctxt_cnt && !subctxt_fp(fp)) {
if (uinfo->subctxt_cnt && !fd->subctxt) {
ret = init_subctxts(uctxt, uinfo);
/*
* On error, we don't need to disable and de-allocate the
@ -1042,7 +1041,7 @@ static int allocate_ctxt(struct file *fp, struct hfi1_devdata *dd,
spin_lock_init(&uctxt->sdma_qlock);
hfi1_stats.sps_ctxts++;
dd->freectxts--;
ctxt_fp(fp) = uctxt;
fd->uctxt = uctxt;
return 0;
}
@ -1106,7 +1105,8 @@ static int user_init(struct file *fp)
{
int ret;
unsigned int rcvctrl_ops = 0;
struct hfi1_ctxtdata *uctxt = ctxt_fp(fp);
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
/* make sure that the context has already been setup */
if (!test_bit(HFI1_CTXT_SETUP_DONE, &uctxt->event_flags)) {
@ -1118,7 +1118,7 @@ static int user_init(struct file *fp)
* Subctxts don't need to initialize anything since master
* has done it.
*/
if (subctxt_fp(fp)) {
if (fd->subctxt) {
ret = wait_event_interruptible(uctxt->wait,
!test_bit(HFI1_CTXT_MASTER_UNINIT,
&uctxt->event_flags));
@ -1178,8 +1178,8 @@ done:
static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len)
{
struct hfi1_ctxt_info cinfo;
struct hfi1_ctxtdata *uctxt = ctxt_fp(fp);
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
int ret = 0;
memset(&cinfo, 0, sizeof(cinfo));
@ -1189,7 +1189,7 @@ static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len)
cinfo.num_active = hfi1_count_active_units();
cinfo.unit = uctxt->dd->unit;
cinfo.ctxt = uctxt->ctxt;
cinfo.subctxt = subctxt_fp(fp);
cinfo.subctxt = fd->subctxt;
cinfo.rcvtids = roundup(uctxt->egrbufs.alloced,
uctxt->dd->rcv_entries.group_size) +
uctxt->expected_count;
@ -1201,10 +1201,10 @@ static int get_ctxt_info(struct file *fp, void __user *ubase, __u32 len)
cinfo.egrtids = uctxt->egrbufs.alloced;
cinfo.rcvhdrq_cnt = uctxt->rcvhdrq_cnt;
cinfo.rcvhdrq_entsize = uctxt->rcvhdrqentsize << 2;
cinfo.sdma_ring_size = user_sdma_comp_fp(fp)->nentries;
cinfo.sdma_ring_size = fd->cq->nentries;
cinfo.rcvegr_size = uctxt->egrbufs.rcvtid_size;
trace_hfi1_ctxt_info(uctxt->dd, uctxt->ctxt, subctxt_fp(fp), cinfo);
trace_hfi1_ctxt_info(uctxt->dd, uctxt->ctxt, fd->subctxt, cinfo);
if (copy_to_user(ubase, &cinfo, sizeof(cinfo)))
ret = -EFAULT;
done:
@ -1213,7 +1213,8 @@ done:
static int setup_ctxt(struct file *fp)
{
struct hfi1_ctxtdata *uctxt = ctxt_fp(fp);
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
struct hfi1_devdata *dd = uctxt->dd;
int ret = 0;
@ -1222,7 +1223,7 @@ static int setup_ctxt(struct file *fp)
* programming of eager buffers. This is done if context sharing
* is not requested or by the master process.
*/
if (!uctxt->subctxt_cnt || !subctxt_fp(fp)) {
if (!uctxt->subctxt_cnt || !fd->subctxt) {
ret = hfi1_init_ctxt(uctxt->sc);
if (ret)
goto done;
@ -1234,7 +1235,7 @@ static int setup_ctxt(struct file *fp)
ret = hfi1_setup_eagerbufs(uctxt);
if (ret)
goto done;
if (uctxt->subctxt_cnt && !subctxt_fp(fp)) {
if (uctxt->subctxt_cnt && !fd->subctxt) {
ret = setup_subctxt(uctxt);
if (ret)
goto done;
@ -1277,7 +1278,7 @@ static int setup_ctxt(struct file *fp)
uctxt->tidusemap[uctxt->tidmapcnt - 1] =
~((1ULL << (uctxt->numtidgroups %
BITS_PER_LONG)) - 1);
trace_hfi1_exp_tid_map(uctxt->ctxt, subctxt_fp(fp), 0,
trace_hfi1_exp_tid_map(uctxt->ctxt, fd->subctxt, 0,
uctxt->tidusemap, uctxt->tidmapcnt);
}
ret = hfi1_user_sdma_alloc_queues(uctxt, fp);
@ -1292,7 +1293,8 @@ done:
static int get_base_info(struct file *fp, void __user *ubase, __u32 len)
{
struct hfi1_base_info binfo;
struct hfi1_ctxtdata *uctxt = ctxt_fp(fp);
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
struct hfi1_devdata *dd = uctxt->dd;
ssize_t sz;
unsigned offset;
@ -1314,50 +1316,50 @@ static int get_base_info(struct file *fp, void __user *ubase, __u32 len)
offset = ((u64)uctxt->sc->hw_free -
(u64)dd->cr_base[uctxt->numa_id].va) % PAGE_SIZE;
binfo.sc_credits_addr = HFI1_MMAP_TOKEN(PIO_CRED, uctxt->ctxt,
subctxt_fp(fp), offset);
fd->subctxt, offset);
binfo.pio_bufbase = HFI1_MMAP_TOKEN(PIO_BUFS, uctxt->ctxt,
subctxt_fp(fp),
fd->subctxt,
uctxt->sc->base_addr);
binfo.pio_bufbase_sop = HFI1_MMAP_TOKEN(PIO_BUFS_SOP,
uctxt->ctxt,
subctxt_fp(fp),
fd->subctxt,
uctxt->sc->base_addr);
binfo.rcvhdr_bufbase = HFI1_MMAP_TOKEN(RCV_HDRQ, uctxt->ctxt,
subctxt_fp(fp),
fd->subctxt,
uctxt->rcvhdrq);
binfo.rcvegr_bufbase = HFI1_MMAP_TOKEN(RCV_EGRBUF, uctxt->ctxt,
subctxt_fp(fp),
fd->subctxt,
uctxt->egrbufs.rcvtids[0].phys);
binfo.sdma_comp_bufbase = HFI1_MMAP_TOKEN(SDMA_COMP, uctxt->ctxt,
subctxt_fp(fp), 0);
fd->subctxt, 0);
/*
* user regs are at
* (RXE_PER_CONTEXT_USER + (ctxt * RXE_PER_CONTEXT_SIZE))
*/
binfo.user_regbase = HFI1_MMAP_TOKEN(UREGS, uctxt->ctxt,
subctxt_fp(fp), 0);
fd->subctxt, 0);
offset = offset_in_page((((uctxt->ctxt - dd->first_user_ctxt) *
HFI1_MAX_SHARED_CTXTS) + subctxt_fp(fp)) *
HFI1_MAX_SHARED_CTXTS) + fd->subctxt) *
sizeof(*dd->events));
binfo.events_bufbase = HFI1_MMAP_TOKEN(EVENTS, uctxt->ctxt,
subctxt_fp(fp),
fd->subctxt,
offset);
binfo.status_bufbase = HFI1_MMAP_TOKEN(STATUS, uctxt->ctxt,
subctxt_fp(fp),
fd->subctxt,
dd->status);
if (HFI1_CAP_IS_USET(DMA_RTAIL))
binfo.rcvhdrtail_base = HFI1_MMAP_TOKEN(RTAIL, uctxt->ctxt,
subctxt_fp(fp), 0);
fd->subctxt, 0);
if (uctxt->subctxt_cnt) {
binfo.subctxt_uregbase = HFI1_MMAP_TOKEN(SUBCTXT_UREGS,
uctxt->ctxt,
subctxt_fp(fp), 0);
fd->subctxt, 0);
binfo.subctxt_rcvhdrbuf = HFI1_MMAP_TOKEN(SUBCTXT_RCV_HDRQ,
uctxt->ctxt,
subctxt_fp(fp), 0);
fd->subctxt, 0);
binfo.subctxt_rcvegrbuf = HFI1_MMAP_TOKEN(SUBCTXT_EGRBUF,
uctxt->ctxt,
subctxt_fp(fp), 0);
fd->subctxt, 0);
}
sz = (len < sizeof(binfo)) ? len : sizeof(binfo);
if (copy_to_user(ubase, &binfo, sz))
@ -1368,7 +1370,8 @@ static int get_base_info(struct file *fp, void __user *ubase, __u32 len)
static unsigned int poll_urgent(struct file *fp,
struct poll_table_struct *pt)
{
struct hfi1_ctxtdata *uctxt = ctxt_fp(fp);
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
struct hfi1_devdata *dd = uctxt->dd;
unsigned pollflag;
@ -1390,7 +1393,8 @@ static unsigned int poll_urgent(struct file *fp,
static unsigned int poll_next(struct file *fp,
struct poll_table_struct *pt)
{
struct hfi1_ctxtdata *uctxt = ctxt_fp(fp);
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
struct hfi1_devdata *dd = uctxt->dd;
unsigned pollflag;
@ -1562,7 +1566,8 @@ static inline unsigned num_free_groups(unsigned long map, u16 *start)
static int exp_tid_setup(struct file *fp, struct hfi1_tid_info *tinfo)
{
int ret = 0;
struct hfi1_ctxtdata *uctxt = ctxt_fp(fp);
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
struct hfi1_devdata *dd = uctxt->dd;
unsigned tid, mapped = 0, npages, ngroups, exp_groups,
tidpairs = uctxt->expected_count / 2;
@ -1718,7 +1723,7 @@ static int exp_tid_setup(struct file *fp, struct hfi1_tid_info *tinfo)
pages[pmapped], 0,
tidsize, PCI_DMA_FROMDEVICE);
trace_hfi1_exp_rcv_set(uctxt->ctxt,
subctxt_fp(fp),
fd->subctxt,
tid, vaddr,
phys[pmapped],
pages[pmapped]);
@ -1763,7 +1768,7 @@ static int exp_tid_setup(struct file *fp, struct hfi1_tid_info *tinfo)
(((useidx & 0xffffff) << 16) |
((bitidx + bits_used) & 0xffffff)));
}
trace_hfi1_exp_tid_map(uctxt->ctxt, subctxt_fp(fp), 0, uctxt->tidusemap,
trace_hfi1_exp_tid_map(uctxt->ctxt, fd->subctxt, 0, uctxt->tidusemap,
uctxt->tidmapcnt);
done:
@ -1792,7 +1797,8 @@ bail:
static int exp_tid_free(struct file *fp, struct hfi1_tid_info *tinfo)
{
struct hfi1_ctxtdata *uctxt = ctxt_fp(fp);
struct hfi1_filedata *fd = fp->private_data;
struct hfi1_ctxtdata *uctxt = fd->uctxt;
struct hfi1_devdata *dd = uctxt->dd;
unsigned long tidmap[uctxt->tidmapcnt];
struct page **pages;
@ -1828,7 +1834,7 @@ static int exp_tid_free(struct file *fp, struct hfi1_tid_info *tinfo)
hfi1_put_tid(dd, tid, PT_INVALID,
0, 0);
trace_hfi1_exp_rcv_free(uctxt->ctxt,
subctxt_fp(fp),
fd->subctxt,
tid, phys[i],
pages[i]);
pci_unmap_page(dd->pcidev, phys[i],
@ -1845,7 +1851,7 @@ static int exp_tid_free(struct file *fp, struct hfi1_tid_info *tinfo)
map &= ~(1ULL<<bitidx);
}
}
trace_hfi1_exp_tid_map(uctxt->ctxt, subctxt_fp(fp), 1, uctxt->tidusemap,
trace_hfi1_exp_tid_map(uctxt->ctxt, fd->subctxt, 1, uctxt->tidusemap,
uctxt->tidmapcnt);
done:
return ret;

12
drivers/staging/rdma/hfi1/hfi.h
View File

@ -1423,18 +1423,6 @@ int snoop_send_pio_handler(struct hfi1_qp *qp, struct ahg_ib_header *ibhdr,
void snoop_inline_pio_send(struct hfi1_devdata *dd, struct pio_buf *pbuf,
u64 pbc, const void *from, size_t count);
/* for use in system calls, where we want to know device type, etc. */
#define ctxt_fp(fp) \
(((struct hfi1_filedata *)(fp)->private_data)->uctxt)
#define subctxt_fp(fp) \
(((struct hfi1_filedata *)(fp)->private_data)->subctxt)
#define tidcursor_fp(fp) \
(((struct hfi1_filedata *)(fp)->private_data)->tidcursor)
#define user_sdma_pkt_fp(fp) \
(((struct hfi1_filedata *)(fp)->private_data)->pq)
#define user_sdma_comp_fp(fp) \
(((struct hfi1_filedata *)(fp)->private_data)->cq)
static inline struct hfi1_devdata *dd_from_ppd(struct hfi1_pportdata *ppd)
{
return ppd->dd;

34
drivers/staging/rdma/hfi1/user_sdma.c
View File

@ -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;