diff options
Diffstat (limited to 'sys/dev/virtio')
| -rw-r--r-- | sys/dev/virtio/mmio/virtio_mmio.c | 48 | ||||
| -rw-r--r-- | sys/dev/virtio/mmio/virtio_mmio.h | 1 | ||||
| -rw-r--r-- | sys/dev/virtio/mmio/virtio_mmio_fdt.c | 47 | ||||
| -rw-r--r-- | sys/dev/virtio/mmio/virtio_mmio_if.m | 99 | ||||
| -rw-r--r-- | sys/dev/virtio/random/virtio_random.c | 2 | ||||
| -rw-r--r-- | sys/dev/virtio/virtio_bus_if.m | 4 | ||||
| -rw-r--r-- | sys/dev/virtio/virtqueue.c | 2 |
7 files changed, 4 insertions, 199 deletions
diff --git a/sys/dev/virtio/mmio/virtio_mmio.c b/sys/dev/virtio/mmio/virtio_mmio.c index 5a81c8a24779..fe531fced998 100644 --- a/sys/dev/virtio/mmio/virtio_mmio.c +++ b/sys/dev/virtio/mmio/virtio_mmio.c @@ -53,7 +53,6 @@ #include <dev/virtio/virtqueue.h> #include <dev/virtio/mmio/virtio_mmio.h> -#include "virtio_mmio_if.h" #include "virtio_bus_if.h" #include "virtio_if.h" @@ -79,7 +78,6 @@ static int vtmmio_alloc_virtqueues(device_t, int, struct vq_alloc_info *); static int vtmmio_setup_intr(device_t, enum intr_type); static void vtmmio_stop(device_t); -static void vtmmio_poll(device_t); static int vtmmio_reinit(device_t, uint64_t); static void vtmmio_reinit_complete(device_t); static void vtmmio_notify_virtqueue(device_t, uint16_t, bus_size_t); @@ -104,29 +102,11 @@ static void vtmmio_vq_intr(void *); * I/O port read/write wrappers. */ #define vtmmio_write_config_1(sc, o, v) \ -do { \ - if (sc->platform != NULL) \ - VIRTIO_MMIO_PREWRITE(sc->platform, (o), (v)); \ - bus_write_1((sc)->res[0], (o), (v)); \ - if (sc->platform != NULL) \ - VIRTIO_MMIO_NOTE(sc->platform, (o), (v)); \ -} while (0) + bus_write_1((sc)->res[0], (o), (v)) #define vtmmio_write_config_2(sc, o, v) \ -do { \ - if (sc->platform != NULL) \ - VIRTIO_MMIO_PREWRITE(sc->platform, (o), (v)); \ - bus_write_2((sc)->res[0], (o), (v)); \ - if (sc->platform != NULL) \ - VIRTIO_MMIO_NOTE(sc->platform, (o), (v)); \ -} while (0) + bus_write_2((sc)->res[0], (o), (v)) #define vtmmio_write_config_4(sc, o, v) \ -do { \ - if (sc->platform != NULL) \ - VIRTIO_MMIO_PREWRITE(sc->platform, (o), (v)); \ - bus_write_4((sc)->res[0], (o), (v)); \ - if (sc->platform != NULL) \ - VIRTIO_MMIO_NOTE(sc->platform, (o), (v)); \ -} while (0) + bus_write_4((sc)->res[0], (o), (v)) #define vtmmio_read_config_1(sc, o) \ bus_read_1((sc)->res[0], (o)) @@ -157,7 +137,6 @@ static device_method_t vtmmio_methods[] = { DEVMETHOD(virtio_bus_alloc_virtqueues, vtmmio_alloc_virtqueues), DEVMETHOD(virtio_bus_setup_intr, vtmmio_setup_intr), DEVMETHOD(virtio_bus_stop, vtmmio_stop), - DEVMETHOD(virtio_bus_poll, vtmmio_poll), DEVMETHOD(virtio_bus_reinit, vtmmio_reinit), DEVMETHOD(virtio_bus_reinit_complete, vtmmio_reinit_complete), DEVMETHOD(virtio_bus_notify_vq, vtmmio_notify_virtqueue), @@ -220,19 +199,9 @@ vtmmio_setup_intr(device_t dev, enum intr_type type) { struct vtmmio_softc *sc; int rid; - int err; sc = device_get_softc(dev); - if (sc->platform != NULL) { - err = VIRTIO_MMIO_SETUP_INTR(sc->platform, sc->dev, - vtmmio_vq_intr, sc); - if (err == 0) { - /* Okay we have backend-specific interrupts */ - return (0); - } - } - rid = 0; sc->res[1] = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE); @@ -597,17 +566,6 @@ vtmmio_stop(device_t dev) vtmmio_reset(device_get_softc(dev)); } -static void -vtmmio_poll(device_t dev) -{ - struct vtmmio_softc *sc; - - sc = device_get_softc(dev); - - if (sc->platform != NULL) - VIRTIO_MMIO_POLL(sc->platform); -} - static int vtmmio_reinit(device_t dev, uint64_t features) { diff --git a/sys/dev/virtio/mmio/virtio_mmio.h b/sys/dev/virtio/mmio/virtio_mmio.h index ac6a96c1c7fe..edcbf0519acc 100644 --- a/sys/dev/virtio/mmio/virtio_mmio.h +++ b/sys/dev/virtio/mmio/virtio_mmio.h @@ -37,7 +37,6 @@ struct vtmmio_virtqueue; struct vtmmio_softc { device_t dev; - device_t platform; struct resource *res[2]; uint64_t vtmmio_features; diff --git a/sys/dev/virtio/mmio/virtio_mmio_fdt.c b/sys/dev/virtio/mmio/virtio_mmio_fdt.c index 7fba8aad8db8..bb9ea8efbaeb 100644 --- a/sys/dev/virtio/mmio/virtio_mmio_fdt.c +++ b/sys/dev/virtio/mmio/virtio_mmio_fdt.c @@ -63,12 +63,10 @@ #include <dev/virtio/mmio/virtio_mmio.h> static int vtmmio_fdt_probe(device_t); -static int vtmmio_fdt_attach(device_t); static device_method_t vtmmio_fdt_methods[] = { /* Device interface. */ DEVMETHOD(device_probe, vtmmio_fdt_probe), - DEVMETHOD(device_attach, vtmmio_fdt_attach), DEVMETHOD_END }; @@ -93,48 +91,3 @@ vtmmio_fdt_probe(device_t dev) return (vtmmio_probe(dev)); } - -static int -vtmmio_setup_platform(device_t dev, struct vtmmio_softc *sc) -{ - phandle_t platform_node; - struct fdt_ic *ic; - phandle_t xref; - phandle_t node; - - sc->platform = NULL; - - if ((node = ofw_bus_get_node(dev)) == -1) - return (ENXIO); - - if (OF_searchencprop(node, "platform", &xref, - sizeof(xref)) == -1) { - return (ENXIO); - } - - platform_node = OF_node_from_xref(xref); - - SLIST_FOREACH(ic, &fdt_ic_list_head, fdt_ics) { - if (ic->iph == platform_node) { - sc->platform = ic->dev; - break; - } - } - - if (sc->platform == NULL) { - /* No platform-specific device. Ignore it. */ - } - - return (0); -} - -static int -vtmmio_fdt_attach(device_t dev) -{ - struct vtmmio_softc *sc; - - sc = device_get_softc(dev); - vtmmio_setup_platform(dev, sc); - - return (vtmmio_attach(dev)); -} diff --git a/sys/dev/virtio/mmio/virtio_mmio_if.m b/sys/dev/virtio/mmio/virtio_mmio_if.m deleted file mode 100644 index baebbd9a0b1c..000000000000 --- a/sys/dev/virtio/mmio/virtio_mmio_if.m +++ /dev/null @@ -1,99 +0,0 @@ -#- -# Copyright (c) 2014 Ruslan Bukin <br@bsdpad.com> -# All rights reserved. -# -# This software was developed by SRI International and the University of -# Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) -# ("CTSRD"), as part of the DARPA CRASH research programme. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in the -# documentation and/or other materials provided with the distribution. -# -# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND -# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE -# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE -# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE -# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS -# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) -# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY -# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF -# SUCH DAMAGE. -# -# - -#include <sys/types.h> - -# -# This is optional interface to virtio mmio backend. -# Useful when backend is implemented not by the hardware but software, e.g. -# by using another cpu core. -# - -INTERFACE virtio_mmio; - -CODE { - static int - virtio_mmio_prewrite(device_t dev, size_t offset, int val) - { - - return (1); - } - - static int - virtio_mmio_note(device_t dev, size_t offset, int val) - { - - return (1); - } - - static int - virtio_mmio_setup_intr(device_t dev, device_t mmio_dev, - void *handler, void *ih_user) - { - - return (1); - } -}; - -# -# Inform backend we are going to write data at offset. -# -METHOD int prewrite { - device_t dev; - size_t offset; - int val; -} DEFAULT virtio_mmio_prewrite; - -# -# Inform backend we have data wrotten to offset. -# -METHOD int note { - device_t dev; - size_t offset; - int val; -} DEFAULT virtio_mmio_note; - -# -# Inform backend we are going to poll virtqueue. -# -METHOD int poll { - device_t dev; -}; - -# -# Setup backend-specific interrupts. -# -METHOD int setup_intr { - device_t dev; - device_t mmio_dev; - void *handler; - void *ih_user; -} DEFAULT virtio_mmio_setup_intr; diff --git a/sys/dev/virtio/random/virtio_random.c b/sys/dev/virtio/random/virtio_random.c index f938ba99ae53..3f30c8b68f4c 100644 --- a/sys/dev/virtio/random/virtio_random.c +++ b/sys/dev/virtio/random/virtio_random.c @@ -77,7 +77,7 @@ static struct virtio_feature_desc vtrnd_feature_desc[] = { { 0, NULL } }; -static struct random_source random_vtrnd = { +static const struct random_source random_vtrnd = { .rs_ident = "VirtIO Entropy Adapter", .rs_source = RANDOM_PURE_VIRTIO, .rs_read = vtrnd_read, diff --git a/sys/dev/virtio/virtio_bus_if.m b/sys/dev/virtio/virtio_bus_if.m index 57ae90bdc917..4181b641faad 100644 --- a/sys/dev/virtio/virtio_bus_if.m +++ b/sys/dev/virtio/virtio_bus_if.m @@ -109,7 +109,3 @@ METHOD void write_device_config { int len; }; -METHOD void poll { - device_t dev; -}; - diff --git a/sys/dev/virtio/virtqueue.c b/sys/dev/virtio/virtqueue.c index 8cc3326dc08e..cc7a233d60ee 100644 --- a/sys/dev/virtio/virtqueue.c +++ b/sys/dev/virtio/virtqueue.c @@ -605,10 +605,8 @@ virtqueue_poll(struct virtqueue *vq, uint32_t *len) { void *cookie; - VIRTIO_BUS_POLL(vq->vq_dev); while ((cookie = virtqueue_dequeue(vq, len)) == NULL) { cpu_spinwait(); - VIRTIO_BUS_POLL(vq->vq_dev); } return (cookie); |