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authorMike Marciniszyn <mike.marciniszyn@intel.com>2016-09-25 07:40:58 -0700
committerDoug Ledford <dledford@redhat.com>2016-10-02 08:42:11 -0400
commitb374e060cc2aa31ceca885a7fe5bd591876c02b3 (patch)
treea1ba552509e2fa947cca313697e1c9a292996082 /drivers/infiniband
parent68e78b3d78ac69412c468460606cc767a743acab (diff)
downloadlinux-b374e060cc2aa31ceca885a7fe5bd591876c02b3.tar.bz2
IB/hfi1: Consolidate pio control masks into single definition
This allows for adding additional pages of adaptive pio opcode control including manufacturer specific ones. Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/hfi1/rc.c14
-rw-r--r--drivers/infiniband/hw/hfi1/uc.c9
-rw-r--r--drivers/infiniband/hw/hfi1/verbs.c36
-rw-r--r--drivers/infiniband/hw/hfi1/verbs.h3
4 files changed, 32 insertions, 30 deletions
diff --git a/drivers/infiniband/hw/hfi1/rc.c b/drivers/infiniband/hw/hfi1/rc.c
index db6396752a97..d32f0c86a623 100644
--- a/drivers/infiniband/hw/hfi1/rc.c
+++ b/drivers/infiniband/hw/hfi1/rc.c
@@ -55,7 +55,7 @@
#include "trace.h"
/* cut down ridiculously long IB macro names */
-#define OP(x) IB_OPCODE_RC_##x
+#define OP(x) RC_OP(x)
/**
* hfi1_add_retry_timer - add/start a retry timer
@@ -184,18 +184,6 @@ void hfi1_del_timers_sync(struct rvt_qp *qp)
del_timer_sync(&priv->s_rnr_timer);
}
-/* only opcode mask for adaptive pio */
-const u32 rc_only_opcode =
- BIT(OP(SEND_ONLY) & 0x1f) |
- BIT(OP(SEND_ONLY_WITH_IMMEDIATE & 0x1f)) |
- BIT(OP(RDMA_WRITE_ONLY & 0x1f)) |
- BIT(OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE & 0x1f)) |
- BIT(OP(RDMA_READ_REQUEST & 0x1f)) |
- BIT(OP(ACKNOWLEDGE & 0x1f)) |
- BIT(OP(ATOMIC_ACKNOWLEDGE & 0x1f)) |
- BIT(OP(COMPARE_SWAP & 0x1f)) |
- BIT(OP(FETCH_ADD & 0x1f));
-
static u32 restart_sge(struct rvt_sge_state *ss, struct rvt_swqe *wqe,
u32 psn, u32 pmtu)
{
diff --git a/drivers/infiniband/hw/hfi1/uc.c b/drivers/infiniband/hw/hfi1/uc.c
index e7fa176f8dfc..5e6d1bac4914 100644
--- a/drivers/infiniband/hw/hfi1/uc.c
+++ b/drivers/infiniband/hw/hfi1/uc.c
@@ -50,14 +50,7 @@
#include "qp.h"
/* cut down ridiculously long IB macro names */
-#define OP(x) IB_OPCODE_UC_##x
-
-/* only opcode mask for adaptive pio */
-const u32 uc_only_opcode =
- BIT(OP(SEND_ONLY) & 0x1f) |
- BIT(OP(SEND_ONLY_WITH_IMMEDIATE & 0x1f)) |
- BIT(OP(RDMA_WRITE_ONLY & 0x1f)) |
- BIT(OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE & 0x1f));
+#define OP(x) UC_OP(x)
/**
* hfi1_make_uc_req - construct a request packet (SEND, RDMA write)
diff --git a/drivers/infiniband/hw/hfi1/verbs.c b/drivers/infiniband/hw/hfi1/verbs.c
index d502ba0d743a..0a0e93eb80e2 100644
--- a/drivers/infiniband/hw/hfi1/verbs.c
+++ b/drivers/infiniband/hw/hfi1/verbs.c
@@ -403,6 +403,28 @@ static const opcode_handler opcode_handler_tbl[256] = {
[IB_OPCODE_CNP] = &hfi1_cnp_rcv
};
+#define OPMASK 0x1f
+
+static const u32 pio_opmask[BIT(3)] = {
+ /* RC */
+ [IB_OPCODE_RC >> 5] =
+ BIT(RC_OP(SEND_ONLY) & OPMASK) |
+ BIT(RC_OP(SEND_ONLY_WITH_IMMEDIATE) & OPMASK) |
+ BIT(RC_OP(RDMA_WRITE_ONLY) & OPMASK) |
+ BIT(RC_OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE) & OPMASK) |
+ BIT(RC_OP(RDMA_READ_REQUEST) & OPMASK) |
+ BIT(RC_OP(ACKNOWLEDGE) & OPMASK) |
+ BIT(RC_OP(ATOMIC_ACKNOWLEDGE) & OPMASK) |
+ BIT(RC_OP(COMPARE_SWAP) & OPMASK) |
+ BIT(RC_OP(FETCH_ADD) & OPMASK),
+ /* UC */
+ [IB_OPCODE_UC >> 5] =
+ BIT(UC_OP(SEND_ONLY) & OPMASK) |
+ BIT(UC_OP(SEND_ONLY_WITH_IMMEDIATE) & OPMASK) |
+ BIT(UC_OP(RDMA_WRITE_ONLY) & OPMASK) |
+ BIT(UC_OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE) & OPMASK),
+};
+
/*
* System image GUID.
*/
@@ -1210,22 +1232,18 @@ static inline send_routine get_send_routine(struct rvt_qp *qp,
case IB_QPT_GSI:
case IB_QPT_UD:
break;
- case IB_QPT_RC:
- if (piothreshold &&
- qp->s_cur_size <= min(piothreshold, qp->pmtu) &&
- (BIT(get_opcode(h) & 0x1f) & rc_only_opcode) &&
- iowait_sdma_pending(&priv->s_iowait) == 0 &&
- !sdma_txreq_built(&tx->txreq))
- return dd->process_pio_send;
- break;
case IB_QPT_UC:
+ case IB_QPT_RC: {
+ u8 op = get_opcode(h);
+
if (piothreshold &&
qp->s_cur_size <= min(piothreshold, qp->pmtu) &&
- (BIT(get_opcode(h) & 0x1f) & uc_only_opcode) &&
+ (BIT(op & OPMASK) & pio_opmask[op >> 5]) &&
iowait_sdma_pending(&priv->s_iowait) == 0 &&
!sdma_txreq_built(&tx->txreq))
return dd->process_pio_send;
break;
+ }
default:
break;
}
diff --git a/drivers/infiniband/hw/hfi1/verbs.h b/drivers/infiniband/hw/hfi1/verbs.h
index 0dd65eb46ebe..1c3815d89eb7 100644
--- a/drivers/infiniband/hw/hfi1/verbs.h
+++ b/drivers/infiniband/hw/hfi1/verbs.h
@@ -97,6 +97,9 @@ struct hfi1_packet;
#define IB_DEFAULT_GID_PREFIX cpu_to_be64(0xfe80000000000000ULL)
+#define RC_OP(x) IB_OPCODE_RC_##x
+#define UC_OP(x) IB_OPCODE_UC_##x
+
/* flags passed by hfi1_ib_rcv() */
enum {
HFI1_HAS_GRH = (1 << 0),