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IB/hfi1: Add accessor API routines to access context members 

This patch adds a set of accessor routines to access context members.

Link: https://lore.kernel.org/r/20191219211922.58387.26548.stgit@awfm-01.aw.intel.com
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Kaike Wan <kaike.wan@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Mike Marciniszyn 2019-12-19 16:19:22 -05:00 коммит произвёл Jason Gunthorpe
Родитель 3593f69c55
Коммит 2fb3b5ae1c
9 изменённых файлов: 183 добавлений и 85 удалений
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27
drivers/infiniband/hw/hfi1/chip.c
Просмотреть файл

@ -6862,7 +6862,7 @@ static void rxe_kernel_unfreeze(struct hfi1_devdata *dd)
}
rcvmask = HFI1_RCVCTRL_CTXT_ENB;
/* HFI1_RCVCTRL_TAILUPD_[ENB|DIS] needs to be set explicitly */
rcvmask |= rcd->rcvhdrtail_kvaddr ?
rcvmask |= hfi1_rcvhdrtail_kvaddr(rcd) ?
HFI1_RCVCTRL_TAILUPD_ENB : HFI1_RCVCTRL_TAILUPD_DIS;
hfi1_rcvctrl(dd, rcvmask, rcd);
hfi1_rcd_put(rcd);
@ -8394,20 +8394,13 @@ void force_recv_intr(struct hfi1_ctxtdata *rcd)
static inline int check_packet_present(struct hfi1_ctxtdata *rcd)
{
u32 tail;
int present;
if (!rcd->rcvhdrtail_kvaddr)
present = (rcd->seq_cnt ==
rhf_rcv_seq(rhf_to_cpu(get_rhf_addr(rcd))));
else /* is RDMA rtail */
present = (rcd->head != get_rcvhdrtail(rcd));
if (present)
if (hfi1_packet_present(rcd))
return 1;
/* fall back to a CSR read, correct indpendent of DMA_RTAIL */
tail = (u32)read_uctxt_csr(rcd->dd, rcd->ctxt, RCV_HDR_TAIL);
return rcd->head != tail;
return hfi1_rcd_head(rcd) != tail;
}
/*
@ -10049,7 +10042,7 @@ u32 lrh_max_header_bytes(struct hfi1_devdata *dd)
* the first kernel context would have been allocated by now so
* we are guaranteed a valid value.
*/
return (dd->rcd[0]->rcvhdrqentsize - 2/*PBC/RHF*/ + 1/*ICRC*/) << 2;
return (get_hdrqentsize(dd->rcd[0]) - 2/*PBC/RHF*/ + 1/*ICRC*/) << 2;
}
/*
@ -10094,7 +10087,7 @@ static void set_send_length(struct hfi1_pportdata *ppd)
thres = min(sc_percent_to_threshold(dd->vld[i].sc, 50),
sc_mtu_to_threshold(dd->vld[i].sc,
dd->vld[i].mtu,
dd->rcd[0]->rcvhdrqentsize));
get_hdrqentsize(dd->rcd[0])));
for (j = 0; j < INIT_SC_PER_VL; j++)
sc_set_cr_threshold(
pio_select_send_context_vl(dd, j, i),
@ -11821,7 +11814,7 @@ u32 hdrqempty(struct hfi1_ctxtdata *rcd)
head = (read_uctxt_csr(rcd->dd, rcd->ctxt, RCV_HDR_HEAD)
& RCV_HDR_HEAD_HEAD_SMASK) >> RCV_HDR_HEAD_HEAD_SHIFT;
if (rcd->rcvhdrtail_kvaddr)
if (hfi1_rcvhdrtail_kvaddr(rcd))
tail = get_rcvhdrtail(rcd);
else
tail = read_uctxt_csr(rcd->dd, rcd->ctxt, RCV_HDR_TAIL);
@ -11886,13 +11879,13 @@ void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op,
/* reset the tail and hdr addresses, and sequence count */
write_kctxt_csr(dd, ctxt, RCV_HDR_ADDR,
rcd->rcvhdrq_dma);
if (rcd->rcvhdrtail_kvaddr)
if (hfi1_rcvhdrtail_kvaddr(rcd))
write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR,
rcd->rcvhdrqtailaddr_dma);
rcd->seq_cnt = 1;
hfi1_set_seq_cnt(rcd, 1);
/* reset the cached receive header queue head value */
rcd->head = 0;
hfi1_set_rcd_head(rcd, 0);
/*
* Zero the receive header queue so we don't get false
@ -11972,7 +11965,7 @@ void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op,
IS_RCVAVAIL_START + rcd->ctxt, false);
rcvctrl &= ~RCV_CTXT_CTRL_INTR_AVAIL_SMASK;
}
if ((op & HFI1_RCVCTRL_TAILUPD_ENB) && rcd->rcvhdrtail_kvaddr)
if ((op & HFI1_RCVCTRL_TAILUPD_ENB) && hfi1_rcvhdrtail_kvaddr(rcd))
rcvctrl |= RCV_CTXT_CTRL_TAIL_UPD_SMASK;
if (op & HFI1_RCVCTRL_TAILUPD_DIS) {
/* See comment on RcvCtxtCtrl.TailUpd above */

3
drivers/infiniband/hw/hfi1/common.h
Просмотреть файл

@ -323,6 +323,9 @@ struct diag_pkt {
/* RHF receive type error - bypass packet errors */
#define RHF_RTE_BYPASS_NO_ERR 0x0
/* MAX RcvSEQ */
#define RHF_MAX_SEQ 13
/* IB - LRH header constants */
#define HFI1_LRH_GRH 0x0003 /* 1. word of IB LRH - next header: GRH */
#define HFI1_LRH_BTH 0x0002 /* 1. word of IB LRH - next header: BTH */

74
drivers/infiniband/hw/hfi1/driver.c
Просмотреть файл

@ -411,14 +411,14 @@ drop:
static inline void init_packet(struct hfi1_ctxtdata *rcd,
struct hfi1_packet *packet)
{
packet->rsize = rcd->rcvhdrqentsize; /* words */
packet->maxcnt = rcd->rcvhdrq_cnt * packet->rsize; /* words */
packet->rsize = get_hdrqentsize(rcd); /* words */
packet->maxcnt = get_hdrq_cnt(rcd) * packet->rsize; /* words */
packet->rcd = rcd;
packet->updegr = 0;
packet->etail = -1;
packet->rhf_addr = get_rhf_addr(rcd);
packet->rhf = rhf_to_cpu(packet->rhf_addr);
packet->rhqoff = rcd->head;
packet->rhqoff = hfi1_rcd_head(rcd);
packet->numpkt = 0;
}
@ -551,22 +551,22 @@ static inline void init_ps_mdata(struct ps_mdata *mdata,
mdata->maxcnt = packet->maxcnt;
mdata->ps_head = packet->rhqoff;
if (HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL)) {
if (get_dma_rtail_setting(rcd)) {
mdata->ps_tail = get_rcvhdrtail(rcd);
if (rcd->ctxt == HFI1_CTRL_CTXT)
mdata->ps_seq = rcd->seq_cnt;
mdata->ps_seq = hfi1_seq_cnt(rcd);
else
mdata->ps_seq = 0; /* not used with DMA_RTAIL */
} else {
mdata->ps_tail = 0; /* used only with DMA_RTAIL*/
mdata->ps_seq = rcd->seq_cnt;
mdata->ps_seq = hfi1_seq_cnt(rcd);
}
}
static inline int ps_done(struct ps_mdata *mdata, u64 rhf,
struct hfi1_ctxtdata *rcd)
{
if (HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL))
if (get_dma_rtail_setting(rcd))
return mdata->ps_head == mdata->ps_tail;
return mdata->ps_seq != rhf_rcv_seq(rhf);
}
@ -592,11 +592,9 @@ static inline void update_ps_mdata(struct ps_mdata *mdata,
mdata->ps_head = 0;
/* Control context must do seq counting */
if (!HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL) ||
(rcd->ctxt == HFI1_CTRL_CTXT)) {
if (++mdata->ps_seq > 13)
mdata->ps_seq = 1;
}
if (!get_dma_rtail_setting(rcd) ||
rcd->ctxt == HFI1_CTRL_CTXT)
mdata->ps_seq = hfi1_seq_incr_wrap(mdata->ps_seq);
}
/*
@ -769,7 +767,7 @@ static inline int process_rcv_packet(struct hfi1_packet *packet, int thread)
* The +2 is the size of the RHF.
*/
prefetch_range(packet->ebuf,
packet->tlen - ((packet->rcd->rcvhdrqentsize -
packet->tlen - ((get_hdrqentsize(packet->rcd) -
(rhf_hdrq_offset(packet->rhf)
+ 2)) * 4));
}
@ -823,7 +821,7 @@ static inline void finish_packet(struct hfi1_packet *packet)
* The only thing we need to do is a final update and call for an
* interrupt
*/
update_usrhead(packet->rcd, packet->rcd->head, packet->updegr,
update_usrhead(packet->rcd, hfi1_rcd_head(packet->rcd), packet->updegr,
packet->etail, rcv_intr_dynamic, packet->numpkt);
}
@ -832,13 +830,11 @@ static inline void finish_packet(struct hfi1_packet *packet)
*/
int handle_receive_interrupt_nodma_rtail(struct hfi1_ctxtdata *rcd, int thread)
{
u32 seq;
int last = RCV_PKT_OK;
struct hfi1_packet packet;
init_packet(rcd, &packet);
seq = rhf_rcv_seq(packet.rhf);
if (seq != rcd->seq_cnt) {
if (last_rcv_seq(rcd, rhf_rcv_seq(packet.rhf))) {
last = RCV_PKT_DONE;
goto bail;
}
@ -847,15 +843,12 @@ int handle_receive_interrupt_nodma_rtail(struct hfi1_ctxtdata *rcd, int thread)
while (last == RCV_PKT_OK) {
last = process_rcv_packet(&packet, thread);
seq = rhf_rcv_seq(packet.rhf);
if (++rcd->seq_cnt > 13)
rcd->seq_cnt = 1;
if (seq != rcd->seq_cnt)
if (hfi1_seq_incr(rcd, rhf_rcv_seq(packet.rhf)))
last = RCV_PKT_DONE;
process_rcv_update(last, &packet);
}
process_rcv_qp_work(&packet);
rcd->head = packet.rhqoff;
hfi1_set_rcd_head(rcd, packet.rhqoff);
bail:
finish_packet(&packet);
return last;
@ -884,7 +877,7 @@ int handle_receive_interrupt_dma_rtail(struct hfi1_ctxtdata *rcd, int thread)
process_rcv_update(last, &packet);
}
process_rcv_qp_work(&packet);
rcd->head = packet.rhqoff;
hfi1_set_rcd_head(rcd, packet.rhqoff);
bail:
finish_packet(&packet);
return last;
@ -1019,10 +1012,8 @@ int handle_receive_interrupt(struct hfi1_ctxtdata *rcd, int thread)
init_packet(rcd, &packet);
if (!HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL)) {
u32 seq = rhf_rcv_seq(packet.rhf);
if (seq != rcd->seq_cnt) {
if (!get_dma_rtail_setting(rcd)) {
if (last_rcv_seq(rcd, rhf_rcv_seq(packet.rhf))) {
last = RCV_PKT_DONE;
goto bail;
}
@ -1039,12 +1030,9 @@ int handle_receive_interrupt(struct hfi1_ctxtdata *rcd, int thread)
* Control context can potentially receive an invalid
* rhf. Drop such packets.
*/
if (rcd->ctxt == HFI1_CTRL_CTXT) {
u32 seq = rhf_rcv_seq(packet.rhf);
if (seq != rcd->seq_cnt)
if (rcd->ctxt == HFI1_CTRL_CTXT)
if (last_rcv_seq(rcd, rhf_rcv_seq(packet.rhf)))
skip_pkt = 1;
}
}
prescan_rxq(rcd, &packet);
@ -1074,12 +1062,8 @@ int handle_receive_interrupt(struct hfi1_ctxtdata *rcd, int thread)
last = process_rcv_packet(&packet, thread);
}
if (!HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL)) {
u32 seq = rhf_rcv_seq(packet.rhf);
if (++rcd->seq_cnt > 13)
rcd->seq_cnt = 1;
if (seq != rcd->seq_cnt)
if (!get_dma_rtail_setting(rcd)) {
if (hfi1_seq_incr(rcd, rhf_rcv_seq(packet.rhf)))
last = RCV_PKT_DONE;
if (needset) {
dd_dev_info(dd, "Switching to NO_DMA_RTAIL\n");
@ -1094,11 +1078,11 @@ int handle_receive_interrupt(struct hfi1_ctxtdata *rcd, int thread)
* rhf. Drop such packets.
*/
if (rcd->ctxt == HFI1_CTRL_CTXT) {
u32 seq = rhf_rcv_seq(packet.rhf);
bool lseq;
if (++rcd->seq_cnt > 13)
rcd->seq_cnt = 1;
if (!last && (seq != rcd->seq_cnt))
lseq = hfi1_seq_incr(rcd,
rhf_rcv_seq(packet.rhf));
if (!last && lseq)
skip_pkt = 1;
}
@ -1114,7 +1098,7 @@ int handle_receive_interrupt(struct hfi1_ctxtdata *rcd, int thread)
}
process_rcv_qp_work(&packet);
rcd->head = packet.rhqoff;
hfi1_set_rcd_head(rcd, packet.rhqoff);
bail:
/*
@ -1748,8 +1732,8 @@ void seqfile_dump_rcd(struct seq_file *s, struct hfi1_ctxtdata *rcd)
struct ps_mdata mdata;
seq_printf(s, "Rcd %u: RcvHdr cnt %u entsize %u %s head %llu tail %llu\n",
rcd->ctxt, rcd->rcvhdrq_cnt, rcd->rcvhdrqentsize,
HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL) ?
rcd->ctxt, get_hdrq_cnt(rcd), get_hdrqentsize(rcd),
get_dma_rtail_setting(rcd) ?
"dma_rtail" : "nodma_rtail",
read_uctxt_csr(rcd->dd, rcd->ctxt, RCV_HDR_HEAD) &
RCV_HDR_HEAD_HEAD_MASK,

12
drivers/infiniband/hw/hfi1/file_ops.c
Просмотреть файл

@ -505,12 +505,12 @@ static int hfi1_file_mmap(struct file *fp, struct vm_area_struct *vma)
ret = -EINVAL;
goto done;
}
if ((flags & VM_WRITE) || !uctxt->rcvhdrtail_kvaddr) {
if ((flags & VM_WRITE) || !hfi1_rcvhdrtail_kvaddr(uctxt)) {
ret = -EPERM;
goto done;
}
memlen = PAGE_SIZE;
memvirt = (void *)uctxt->rcvhdrtail_kvaddr;
memvirt = (void *)hfi1_rcvhdrtail_kvaddr(uctxt);
flags &= ~VM_MAYWRITE;
break;
case SUBCTXT_UREGS:
@ -1090,7 +1090,7 @@ static void user_init(struct hfi1_ctxtdata *uctxt)
* don't have to wait to be sure the DMA update has happened
* (chip resets head/tail to 0 on transition to enable).
*/
if (uctxt->rcvhdrtail_kvaddr)
if (hfi1_rcvhdrtail_kvaddr(uctxt))
clear_rcvhdrtail(uctxt);
/* Setup J_KEY before enabling the context */
@ -1154,8 +1154,8 @@ static int get_ctxt_info(struct hfi1_filedata *fd, unsigned long arg, u32 len)
cinfo.send_ctxt = uctxt->sc->hw_context;
cinfo.egrtids = uctxt->egrbufs.alloced;
cinfo.rcvhdrq_cnt = uctxt->rcvhdrq_cnt;
cinfo.rcvhdrq_entsize = uctxt->rcvhdrqentsize << 2;
cinfo.rcvhdrq_cnt = get_hdrq_cnt(uctxt);
cinfo.rcvhdrq_entsize = get_hdrqentsize(uctxt) << 2;
cinfo.sdma_ring_size = fd->cq->nentries;
cinfo.rcvegr_size = uctxt->egrbufs.rcvtid_size;
@ -1543,7 +1543,7 @@ static int manage_rcvq(struct hfi1_ctxtdata *uctxt, u16 subctxt,
* always resets it's tail register back to 0 on a
* transition from disabled to enabled.
*/
if (uctxt->rcvhdrtail_kvaddr)
if (hfi1_rcvhdrtail_kvaddr(uctxt))
clear_rcvhdrtail(uctxt);
rcvctrl_op = HFI1_RCVCTRL_CTXT_ENB;
} else {

129
drivers/infiniband/hw/hfi1/hfi.h
Просмотреть файл

@ -1507,12 +1507,115 @@ void hfi1_make_ud_req_16B(struct rvt_qp *qp,
#define RCV_PKT_LIMIT 0x1 /* stop, hit limit, start thread */
#define RCV_PKT_DONE 0x2 /* stop, no more packets detected */
/**
* hfi1_rcd_head - add accessor for rcd head
* @rcd: the context
*/
static inline u32 hfi1_rcd_head(struct hfi1_ctxtdata *rcd)
{
return rcd->head;
}
/**
* hfi1_set_rcd_head - add accessor for rcd head
* @rcd: the context
* @head: the new head
*/
static inline void hfi1_set_rcd_head(struct hfi1_ctxtdata *rcd, u32 head)
{
rcd->head = head;
}
/* calculate the current RHF address */
static inline __le32 *get_rhf_addr(struct hfi1_ctxtdata *rcd)
{
return (__le32 *)rcd->rcvhdrq + rcd->head + rcd->rhf_offset;
}
/* return DMA_RTAIL configuration */
static inline bool get_dma_rtail_setting(struct hfi1_ctxtdata *rcd)
{
return !!HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL);
}
/**
* hfi1_seq_incr_wrap - wrapping increment for sequence
* @seq: the current sequence number
*
* Returns: the incremented seq
*/
static inline u8 hfi1_seq_incr_wrap(u8 seq)
{
if (++seq > RHF_MAX_SEQ)
seq = 1;
return seq;
}
/**
* hfi1_seq_cnt - return seq_cnt member
* @rcd: the receive context
*
* Return seq_cnt member
*/
static inline u8 hfi1_seq_cnt(struct hfi1_ctxtdata *rcd)
{
return rcd->seq_cnt;
}
/**
* hfi1_set_seq_cnt - return seq_cnt member
* @rcd: the receive context
*
* Return seq_cnt member
*/
static inline void hfi1_set_seq_cnt(struct hfi1_ctxtdata *rcd, u8 cnt)
{
rcd->seq_cnt = cnt;
}
/**
* last_rcv_seq - is last
* @rcd: the receive context
* @seq: sequence
*
* return true if last packet
*/
static inline bool last_rcv_seq(struct hfi1_ctxtdata *rcd, u32 seq)
{
return seq != rcd->seq_cnt;
}
/**
* rcd_seq_incr - increment context sequence number
* @rcd: the receive context
* @seq: the current sequence number
*
* Returns: true if the this was the last packet
*/
static inline bool hfi1_seq_incr(struct hfi1_ctxtdata *rcd, u32 seq)
{
rcd->seq_cnt = hfi1_seq_incr_wrap(rcd->seq_cnt);
return last_rcv_seq(rcd, seq);
}
/**
* get_hdrqentsize - return hdrq entry size
* @rcd: the receive context
*/
static inline u8 get_hdrqentsize(struct hfi1_ctxtdata *rcd)
{
return rcd->rcvhdrqentsize;
}
/**
* get_hdrq_cnt - return hdrq count
* @rcd: the receive context
*/
static inline u16 get_hdrq_cnt(struct hfi1_ctxtdata *rcd)
{
return rcd->rcvhdrq_cnt;
}
int hfi1_reset_device(int);
void receive_interrupt_work(struct work_struct *work);
@ -2015,9 +2118,21 @@ int hfi1_acquire_user_pages(struct mm_struct *mm, unsigned long vaddr,
void hfi1_release_user_pages(struct mm_struct *mm, struct page **p,
size_t npages, bool dirty);
/**
* hfi1_rcvhdrtail_kvaddr - return tail kvaddr
* @rcd - the receive context
*/
static inline __le64 *hfi1_rcvhdrtail_kvaddr(const struct hfi1_ctxtdata *rcd)
{
return (__le64 *)rcd->rcvhdrtail_kvaddr;
}
static inline void clear_rcvhdrtail(const struct hfi1_ctxtdata *rcd)
{
*((u64 *)rcd->rcvhdrtail_kvaddr) = 0ULL;
u64 *kv = (u64 *)hfi1_rcvhdrtail_kvaddr(rcd);
if (kv)
*kv = 0ULL;
}
static inline u32 get_rcvhdrtail(const struct hfi1_ctxtdata *rcd)
@ -2026,7 +2141,17 @@ static inline u32 get_rcvhdrtail(const struct hfi1_ctxtdata *rcd)
* volatile because it's a DMA target from the chip, routine is
* inlined, and don't want register caching or reordering.
*/
return (u32)le64_to_cpu(*rcd->rcvhdrtail_kvaddr);
return (u32)le64_to_cpu(*hfi1_rcvhdrtail_kvaddr(rcd));
}
static inline bool hfi1_packet_present(struct hfi1_ctxtdata *rcd)
{
if (likely(!rcd->rcvhdrtail_kvaddr)) {
u32 seq = rhf_rcv_seq(rhf_to_cpu(get_rhf_addr(rcd)));
return !last_rcv_seq(rcd, seq);
}
return hfi1_rcd_head(rcd) != get_rcvhdrtail(rcd);
}
/*

6
drivers/infiniband/hw/hfi1/init.c
Просмотреть файл

@ -154,7 +154,7 @@ static int hfi1_create_kctxt(struct hfi1_devdata *dd,
/* Control context must use DMA_RTAIL */
if (rcd->ctxt == HFI1_CTRL_CTXT)
rcd->flags |= HFI1_CAP_DMA_RTAIL;
rcd->seq_cnt = 1;
hfi1_set_seq_cnt(rcd, 1);
rcd->sc = sc_alloc(dd, SC_ACK, rcd->rcvhdrqentsize, dd->node);
if (!rcd->sc) {
@ -1149,9 +1149,9 @@ void hfi1_free_ctxtdata(struct hfi1_devdata *dd, struct hfi1_ctxtdata *rcd)
dma_free_coherent(&dd->pcidev->dev, rcvhdrq_size(rcd),
rcd->rcvhdrq, rcd->rcvhdrq_dma);
rcd->rcvhdrq = NULL;
if (rcd->rcvhdrtail_kvaddr) {
if (hfi1_rcvhdrtail_kvaddr(rcd)) {
dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE,
(void *)rcd->rcvhdrtail_kvaddr,
(void *)hfi1_rcvhdrtail_kvaddr(rcd),
rcd->rcvhdrqtailaddr_dma);
rcd->rcvhdrtail_kvaddr = NULL;
}

2
drivers/infiniband/hw/hfi1/trace_ctxts.h
Просмотреть файл

@ -80,7 +80,7 @@ TRACE_EVENT(hfi1_uctxtdata,
__entry->credits = uctxt->sc->credits;
__entry->hw_free = le64_to_cpu(*uctxt->sc->hw_free);
__entry->piobase = uctxt->sc->base_addr;
__entry->rcvhdrq_cnt = uctxt->rcvhdrq_cnt;
__entry->rcvhdrq_cnt = get_hdrq_cnt(uctxt);
__entry->rcvhdrq_dma = uctxt->rcvhdrq_dma;
__entry->eager_cnt = uctxt->egrbufs.alloced;
__entry->rcvegr_dma = uctxt->egrbufs.rcvtids[0].dma;

13
drivers/infiniband/hw/hfi1/trace_rx.h
Просмотреть файл

@ -107,18 +107,11 @@ TRACE_EVENT(hfi1_receive_interrupt,
TP_fast_assign(DD_DEV_ASSIGN(dd);
__entry->ctxt = rcd->ctxt;
if (rcd->do_interrupt ==
&handle_receive_interrupt) {
&handle_receive_interrupt)
__entry->slow_path = 1;
__entry->dma_rtail = 0xFF;
} else if (rcd->do_interrupt ==
&handle_receive_interrupt_dma_rtail){
__entry->dma_rtail = 1;
else
__entry->slow_path = 0;
} else if (rcd->do_interrupt ==
&handle_receive_interrupt_nodma_rtail) {
__entry->dma_rtail = 0;
__entry->slow_path = 0;
}
__entry->dma_rtail = get_dma_rtail_setting(rcd);
),
TP_printk("[%s] ctxt %d SlowPath: %d DmaRtail: %d",
__get_str(dev),

2
drivers/infiniband/hw/hfi1/vnic_main.c
Просмотреть файл

@ -78,7 +78,7 @@ static int setup_vnic_ctxt(struct hfi1_devdata *dd, struct hfi1_ctxtdata *uctxt)
if (ret)
goto done;
if (uctxt->rcvhdrtail_kvaddr)
if (hfi1_rcvhdrtail_kvaddr(uctxt))
clear_rcvhdrtail(uctxt);
rcvctrl_ops = HFI1_RCVCTRL_CTXT_ENB;