>
> On Tue, Mar 13, 2018 at 10:30:42AM -0700, Steve Wise wrote:
> > Provide a cxgb4-specific function to fill in qp state details.
> > This allows dumping important c4iw_qp state useful for debugging.
> >
> > Included in the dump are the t4_sq, t4_rq structs, plus a dump
> > of the t4_swsqe and t4swrqe descriptors for the first and last
> > pending entries.
> >
> > Signed-off-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
> > ---
> > drivers/infiniband/hw/cxgb4/Makefile | 3 +-
> > drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 6 +
> > drivers/infiniband/hw/cxgb4/provider.c | 9 +
> > drivers/infiniband/hw/cxgb4/restrack.c | 363
> +++++++++++++++++++++++++++++++++
> > 4 files changed, 380 insertions(+), 1 deletion(-)
> > create mode 100644 drivers/infiniband/hw/cxgb4/restrack.c
> >
> > diff --git a/drivers/infiniband/hw/cxgb4/Makefile
> b/drivers/infiniband/hw/cxgb4/Makefile
> > index fa40b68..9edd920 100644
> > --- a/drivers/infiniband/hw/cxgb4/Makefile
> > +++ b/drivers/infiniband/hw/cxgb4/Makefile
> > @@ -3,4 +3,5 @@ ccflags-y += -Idrivers/net/ethernet/chelsio/libcxgb
> >
> > obj-$(CONFIG_INFINIBAND_CXGB4) += iw_cxgb4.o
> >
> > -iw_cxgb4-y := device.o cm.o provider.o mem.o cq.o qp.o resource.o ev.o
> id_table.o
> > +iw_cxgb4-y := device.o cm.o provider.o mem.o cq.o qp.o resource.o ev.o
> id_table.o \
> > + restrack.o
> > diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
> b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
> > index cc92900..bbdc8dd 100644
> > --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
> > +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
> > @@ -55,6 +55,7 @@
> > #include <rdma/iw_cm.h>
> > #include <rdma/rdma_netlink.h>
> > #include <rdma/iw_portmap.h>
> > +#include <rdma/restrack.h>
> >
> > #include "cxgb4.h"
> > #include "cxgb4_uld.h"
> > @@ -1078,4 +1079,9 @@ void __iomem *c4iw_bar2_addrs(struct c4iw_rdev
> *rdev, unsigned int qid,
> > void c4iw_invalidate_mr(struct c4iw_dev *rhp, u32 rkey);
> > struct c4iw_wr_wait *c4iw_alloc_wr_wait(gfp_t gfp);
> >
> > +typedef int c4iw_restrack_func(struct sk_buff *msg,
> > + struct netlink_callback *cb,
> > + struct rdma_restrack_entry *res);
> > +extern c4iw_restrack_func *c4iw_restrack_funcs[RDMA_RESTRACK_MAX];
> > +
> > #endif
> > diff --git a/drivers/infiniband/hw/cxgb4/provider.c
> b/drivers/infiniband/hw/cxgb4/provider.c
> > index 1b5c6cd..3f79f19 100644
> > --- a/drivers/infiniband/hw/cxgb4/provider.c
> > +++ b/drivers/infiniband/hw/cxgb4/provider.c
> > @@ -531,6 +531,14 @@ static void get_dev_fw_str(struct ib_device *dev,
> char *str)
> > FW_HDR_FW_VER_BUILD_G(c4iw_dev->rdev.lldi.fw_vers));
> > }
> >
> > +static int fill_res_entry(struct sk_buff *msg, struct netlink_callback
*cb,
> > + struct rdma_restrack_entry *res)
> > +{
> > + return (res->type < ARRAY_SIZE(c4iw_restrack_funcs) &&
> > + c4iw_restrack_funcs[res->type]) ?
> > + c4iw_restrack_funcs[res->type](msg, cb, res) : 0;
> > +}
> > +
> > void c4iw_register_device(struct work_struct *work)
> > {
> > int ret;
> > @@ -624,6 +632,7 @@ void c4iw_register_device(struct work_struct *work)
> > dev->ibdev.iwcm->add_ref = c4iw_qp_add_ref;
> > dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref;
> > dev->ibdev.iwcm->get_qp = c4iw_get_qp;
> > + dev->ibdev.res.provider_fill_res_entry = fill_res_entry;
> > memcpy(dev->ibdev.iwcm->ifname, dev->rdev.lldi.ports[0]->name,
> > sizeof(dev->ibdev.iwcm->ifname));
> >
> > diff --git a/drivers/infiniband/hw/cxgb4/restrack.c
> b/drivers/infiniband/hw/cxgb4/restrack.c
> > new file mode 100644
> > index 0000000..c89d241
> > --- /dev/null
> > +++ b/drivers/infiniband/hw/cxgb4/restrack.c
> > @@ -0,0 +1,363 @@
> > +/*
> > + * Copyright (c) 2009-2018 Chelsio, Inc. All rights reserved.
>
> Ohh, you wrote this code 9 years ago, impressive :)
>
> Thanks
:) Perhaps I should just use 2018.
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