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Make NTB drivers report more info via NewBus methods.

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MFC after:	12 days
This commit is contained in:
Alexander Motin 2017-09-02 11:56:16 +00:00
parent a905e3962c
commit b7dd3fbede
5 changed files with 90 additions and 7 deletions
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47
sys/dev/ntb/ntb.c
View File

@ -1,5 +1,5 @@
/*-
* Copyright (c) 2016 Alexander Motin <mav@FreeBSD.org>
* Copyright (c) 2016-2017 Alexander Motin <mav@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -43,13 +43,15 @@ SYSCTL_NODE(_hw, OID_AUTO, ntb, CTLFLAG_RW, 0, "NTB sysctls");
struct ntb_child {
device_t dev;
int function;
int enabled;
int mwoff;
int mwcnt;
int spadoff;
int spadcnt;
int dboff;
int dbmask;
int dbcnt;
uint64_t dbmask;
void *ctx;
const struct ntb_ctx_ops *ctx_ops;
struct rmlock ctx_lock;
@ -98,11 +100,13 @@ ntb_register_device(device_t dev)
}
nc = malloc(sizeof(*nc), M_DEVBUF, M_WAITOK | M_ZERO);
nc->function = i;
nc->mwoff = mwu;
nc->mwcnt = mw;
nc->spadoff = spadu;
nc->spadcnt = spad;
nc->dboff = dbu;
nc->dbcnt = db;
nc->dbmask = (db == 0) ? 0 : (0xffffffffffffffff >> (64 - db));
rm_init(&nc->ctx_lock, "ntb ctx");
nc->dev = device_add_child(dev, name, -1);
@ -162,6 +166,45 @@ ntb_unregister_device(device_t dev)
return (error);
}
int
ntb_child_location_str(device_t dev, device_t child, char *buf,
size_t buflen)
{
struct ntb_child *nc = device_get_ivars(child);
snprintf(buf, buflen, "function=%d", nc->function);
return (0);
}
int
ntb_print_child(device_t dev, device_t child)
{
struct ntb_child *nc = device_get_ivars(child);
int retval;
retval = bus_print_child_header(dev, child);
if (nc->mwcnt > 0) {
printf(" mw %d", nc->mwoff);
if (nc->mwcnt > 1)
printf("-%d", nc->mwoff + nc->mwcnt - 1);
}
if (nc->spadcnt > 0) {
printf(" spad %d", nc->spadoff);
if (nc->spadcnt > 1)
printf("-%d", nc->spadoff + nc->spadcnt - 1);
}
if (nc->dbcnt > 0) {
printf(" db %d", nc->dboff);
if (nc->dbcnt > 1)
printf("-%d", nc->dboff + nc->dbcnt - 1);
}
retval += printf(" at function %d", nc->function);
retval += bus_print_child_domain(dev, child);
retval += bus_print_child_footer(dev, child);
return (retval);
}
void
ntb_link_event(device_t dev)
{

3
sys/dev/ntb/ntb.h
View File

@ -36,6 +36,9 @@ SYSCTL_DECL(_hw_ntb);
int ntb_register_device(device_t ntb);
int ntb_unregister_device(device_t ntb);
int ntb_child_location_str(device_t dev, device_t child, char *buf,
size_t buflen);
int ntb_print_child(device_t dev, device_t child);
/*
* ntb_link_event() - notify driver context of a change in link status

5
sys/dev/ntb/ntb_hw/ntb_hw_intel.c
View File

@ -1,5 +1,5 @@
/*-
* Copyright (c) 2016 Alexander Motin <mav@FreeBSD.org>
* Copyright (c) 2016-2017 Alexander Motin <mav@FreeBSD.org>
* Copyright (C) 2013 Intel Corporation
* Copyright (C) 2015 EMC Corporation
* All rights reserved.
@ -3085,6 +3085,9 @@ static device_method_t ntb_intel_methods[] = {
DEVMETHOD(device_probe, intel_ntb_probe),
DEVMETHOD(device_attach, intel_ntb_attach),
DEVMETHOD(device_detach, intel_ntb_detach),
/* Bus interface */
DEVMETHOD(bus_child_location_str, ntb_child_location_str),
DEVMETHOD(bus_print_child, ntb_print_child),
/* NTB interface */
DEVMETHOD(ntb_link_is_up, intel_ntb_link_is_up),
DEVMETHOD(ntb_link_enable, intel_ntb_link_enable),

3
sys/dev/ntb/ntb_hw/ntb_hw_plx.c
View File

@ -914,6 +914,9 @@ static device_method_t ntb_plx_methods[] = {
DEVMETHOD(device_probe, ntb_plx_probe),
DEVMETHOD(device_attach, ntb_plx_attach),
DEVMETHOD(device_detach, ntb_plx_detach),
/* Bus interface */
DEVMETHOD(bus_child_location_str, ntb_child_location_str),
DEVMETHOD(bus_print_child, ntb_print_child),
/* NTB interface */
DEVMETHOD(ntb_link_is_up, ntb_plx_link_is_up),
DEVMETHOD(ntb_link_enable, ntb_plx_link_enable),

39
sys/dev/ntb/ntb_transport.c
View File

@ -1,5 +1,5 @@
/*-
* Copyright (c) 2016 Alexander Motin <mav@FreeBSD.org>
* Copyright (c) 2016-2017 Alexander Motin <mav@FreeBSD.org>
* Copyright (C) 2013 Intel Corporation
* Copyright (C) 2015 EMC Corporation
* All rights reserved.
@ -188,6 +188,7 @@ struct ntb_transport_mw {
struct ntb_transport_child {
device_t dev;
int consumer;
int qpoff;
int qpcnt;
struct ntb_transport_child *next;
@ -343,9 +344,6 @@ ntb_transport_attach(device_t dev)
KASSERT(db_bitmap == (1 << db_count) - 1,
("Doorbells are not sequential (%jx).\n", db_bitmap));
device_printf(dev, "%d memory windows, %d scratchpads, "
"%d doorbells\n", nt->mw_count, spad_count, db_count);
if (nt->mw_count == 0) {
device_printf(dev, "At least 1 memory window required.\n");
return (ENXIO);
@ -409,6 +407,7 @@ ntb_transport_attach(device_t dev)
}
nc = malloc(sizeof(*nc), M_DEVBUF, M_WAITOK | M_ZERO);
nc->consumer = i;
nc->qpoff = qpu;
nc->qpcnt = qp;
nc->dev = device_add_child(dev, name, -1);
@ -496,6 +495,35 @@ ntb_transport_detach(device_t dev)
return (0);
}
static int
ntb_transport_print_child(device_t dev, device_t child)
{
struct ntb_transport_child *nc = device_get_ivars(child);
int retval;
retval = bus_print_child_header(dev, child);
if (nc->qpcnt > 0) {
printf(" queue %d", nc->qpoff);
if (nc->qpcnt > 1)
printf("-%d", nc->qpoff + nc->qpcnt - 1);
}
retval += printf(" at consumer %d", nc->consumer);
retval += bus_print_child_domain(dev, child);
retval += bus_print_child_footer(dev, child);
return (retval);
}
static int
ntb_transport_child_location_str(device_t dev, device_t child, char *buf,
size_t buflen)
{
struct ntb_transport_child *nc = device_get_ivars(child);
snprintf(buf, buflen, "consumer=%d", nc->consumer);
return (0);
}
int
ntb_transport_queue_count(device_t dev)
{
@ -1552,6 +1580,9 @@ static device_method_t ntb_transport_methods[] = {
DEVMETHOD(device_probe, ntb_transport_probe),
DEVMETHOD(device_attach, ntb_transport_attach),
DEVMETHOD(device_detach, ntb_transport_detach),
/* Bus interface */
DEVMETHOD(bus_child_location_str, ntb_transport_child_location_str),
DEVMETHOD(bus_print_child, ntb_transport_print_child),
DEVMETHOD_END
};