staging/rdma/hfi1: Remove file pointer macros

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>

diff --git a/drivers/staging/rdma/hfi1/file_ops.c b/drivers/staging/rdma/hfi1/file_ops.c
index aae9826ec62bea8e86a6f1f7c4408ff574d72204..f78bcf673252c846c68746101ae8e715a1eea635 100644 (file)
--- a/drivers/staging/rdma/hfi1/file_ops.c
+++ b/drivers/staging/rdma/hfi1/file_ops.c
@@ -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;

diff --git a/drivers/staging/rdma/hfi1/hfi.h b/drivers/staging/rdma/hfi1/hfi.h
index 73bd966f9e4179a3d5efdcfe0ba6f07817b04332..31c11852d4c023923625eeb3533e78fe7b95c088 100644 (file)
--- a/drivers/staging/rdma/hfi1/hfi.h
+++ b/drivers/staging/rdma/hfi1/hfi.h
@@ -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;

diff --git a/drivers/staging/rdma/hfi1/user_sdma.c b/drivers/staging/rdma/hfi1/user_sdma.c
index 36c838dcf0235790602f924ca490987899642514..be7a4e53335fef66d4921fde17843750db79279a 100644 (file)
--- a/drivers/staging/rdma/hfi1/user_sdma.c
+++ b/drivers/staging/rdma/hfi1/user_sdma.c
@@ -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;