Module Name: src
Committed By: riastradh
Date: Tue Jun 25 14:54:55 UTC 2024
Modified Files:
src/sys/dev/pci: virtio_pci.c
Log Message:
virtio_pci.c: Sprinkle KNF.
- No parameter names in function prototypes.
- Fix indentation.
- Break overlong lines.
- Blank line between declarations and rest of block.
To generate a diff of this commit:
cvs rdiff -u -r1.51 -r1.52 src/sys/dev/pci/virtio_pci.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/pci/virtio_pci.c
diff -u src/sys/dev/pci/virtio_pci.c:1.51 src/sys/dev/pci/virtio_pci.c:1.52
--- src/sys/dev/pci/virtio_pci.c:1.51 Tue Jun 25 14:54:03 2024
+++ src/sys/dev/pci/virtio_pci.c Tue Jun 25 14:54:55 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: virtio_pci.c,v 1.51 2024/06/25 14:54:03 riastradh Exp $ */
+/* $NetBSD: virtio_pci.c,v 1.52 2024/06/25 14:54:55 riastradh Exp $ */
/*
* Copyright (c) 2020 The NetBSD Foundation, Inc.
@@ -28,7 +28,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: virtio_pci.c,v 1.51 2024/06/25 14:54:03 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: virtio_pci.c,v 1.52 2024/06/25 14:54:55 riastradh Exp $");
#include <sys/param.h>
#include <sys/types.h>
@@ -116,22 +116,27 @@ struct virtio_pci_softc {
static int virtio_pci_attach_09(device_t, void *);
static void virtio_pci_kick_09(struct virtio_softc *, uint16_t);
static uint16_t virtio_pci_read_queue_size_09(struct virtio_softc *, uint16_t);
-static void virtio_pci_setup_queue_09(struct virtio_softc *, uint16_t, uint64_t);
+static void virtio_pci_setup_queue_09(struct virtio_softc *, uint16_t,
+ uint64_t);
static void virtio_pci_set_status_09(struct virtio_softc *, int);
-static void virtio_pci_negotiate_features_09(struct virtio_softc *, uint64_t);
+static void virtio_pci_negotiate_features_09(struct virtio_softc *,
+ uint64_t);
static int virtio_pci_attach_10(device_t, void *);
static void virtio_pci_kick_10(struct virtio_softc *, uint16_t);
static uint16_t virtio_pci_read_queue_size_10(struct virtio_softc *, uint16_t);
-static void virtio_pci_setup_queue_10(struct virtio_softc *, uint16_t, uint64_t);
+static void virtio_pci_setup_queue_10(struct virtio_softc *, uint16_t,
+ uint64_t);
static void virtio_pci_set_status_10(struct virtio_softc *, int);
-static void virtio_pci_negotiate_features_10(struct virtio_softc *, uint64_t);
-static int virtio_pci_find_cap(struct virtio_pci_softc *psc, int cfg_type, void *buf, int buflen);
+static void virtio_pci_negotiate_features_10(struct virtio_softc *,
+ uint64_t);
+static int virtio_pci_find_cap(struct virtio_pci_softc *, int, void *,
+ int);
static int virtio_pci_alloc_interrupts(struct virtio_softc *);
static void virtio_pci_free_interrupts(struct virtio_softc *);
-static int virtio_pci_adjust_config_region(struct virtio_pci_softc *psc);
-static int virtio_pci_intr(void *arg);
+static int virtio_pci_adjust_config_region(struct virtio_pci_softc *);
+static int virtio_pci_intr(void *);
static int virtio_pci_msix_queue_intr(void *);
static int virtio_pci_msix_config_intr(void *);
static int virtio_pci_setup_interrupts_09(struct virtio_softc *, int);
@@ -207,10 +212,10 @@ virtio_pci_match(device_t parent, cfdata
case PCI_VENDOR_QUMRANET:
/* Transitional devices MUST have a PCI Revision ID of 0. */
if (((PCI_PRODUCT_QUMRANET_VIRTIO_1000 <=
- PCI_PRODUCT(pa->pa_id)) &&
- (PCI_PRODUCT(pa->pa_id) <=
- PCI_PRODUCT_QUMRANET_VIRTIO_103F)) &&
- PCI_REVISION(pa->pa_class) == 0)
+ PCI_PRODUCT(pa->pa_id)) &&
+ (PCI_PRODUCT(pa->pa_id) <=
+ PCI_PRODUCT_QUMRANET_VIRTIO_103F)) &&
+ PCI_REVISION(pa->pa_class) == 0)
return 1;
/*
* Non-transitional devices SHOULD have a PCI Revision
@@ -218,11 +223,11 @@ virtio_pci_match(device_t parent, cfdata
* Revision ID value.
*/
if (((PCI_PRODUCT_QUMRANET_VIRTIO_1040 <=
- PCI_PRODUCT(pa->pa_id)) &&
- (PCI_PRODUCT(pa->pa_id) <=
- PCI_PRODUCT_QUMRANET_VIRTIO_107F)) &&
- /* XXX: TODO */
- PCI_REVISION(pa->pa_class) == 1)
+ PCI_PRODUCT(pa->pa_id)) &&
+ (PCI_PRODUCT(pa->pa_id) <=
+ PCI_PRODUCT_QUMRANET_VIRTIO_107F)) &&
+ /* XXX: TODO */
+ PCI_REVISION(pa->pa_class) == 1)
return 1;
break;
}
@@ -255,7 +260,7 @@ virtio_pci_attach(device_t parent, devic
break;
default:
aprint_normal(": unknown revision 0x%02x; giving up\n",
- revision);
+ revision);
return;
}
@@ -394,14 +399,14 @@ virtio_pci_attach_09(device_t self, void
/* complete IO region */
if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_IO, 0,
- &psc->sc_iot, &psc->sc_ioh, NULL, &psc->sc_iosize)) {
+ &psc->sc_iot, &psc->sc_ioh, NULL, &psc->sc_iosize)) {
aprint_error_dev(self, "can't map i/o space\n");
return EIO;
}
/* queue space */
if (bus_space_subregion(psc->sc_iot, psc->sc_ioh,
- VIRTIO_CONFIG_QUEUE_NOTIFY, 2, &psc->sc_notify_ioh)) {
+ VIRTIO_CONFIG_QUEUE_NOTIFY, 2, &psc->sc_notify_ioh)) {
aprint_error_dev(self, "can't map notify i/o space\n");
return EIO;
}
@@ -410,7 +415,7 @@ virtio_pci_attach_09(device_t self, void
/* ISR space */
if (bus_space_subregion(psc->sc_iot, psc->sc_ioh,
- VIRTIO_CONFIG_ISR_STATUS, 1, &psc->sc_isr_ioh)) {
+ VIRTIO_CONFIG_ISR_STATUS, 1, &psc->sc_isr_ioh)) {
aprint_error_dev(self, "can't map isr i/o space\n");
return EIO;
}
@@ -419,7 +424,7 @@ virtio_pci_attach_09(device_t self, void
/* set our version 0.9 ops */
sc->sc_ops = &virtio_pci_ops_09;
- sc->sc_bus_endian = READ_ENDIAN_09;
+ sc->sc_bus_endian = READ_ENDIAN_09;
sc->sc_struct_endian = STRUCT_ENDIAN_09;
return 0;
}
@@ -438,20 +443,21 @@ virtio_pci_attach_10(device_t self, void
int have_device_cfg = 0;
bus_size_t bars[NMAPREG] = { 0 };
int bars_idx[NMAPREG] = { 0 };
- struct virtio_pci_cap *caps[] = { &common, &isr, &device, ¬ify.cap };
+ struct virtio_pci_cap * const caps[] =
+ { &common, &isr, &device, ¬ify.cap };
int i, j, ret = 0;
if (virtio_pci_find_cap(psc, VIRTIO_PCI_CAP_COMMON_CFG,
- &common, sizeof(common)))
+ &common, sizeof(common)))
return ENODEV;
if (virtio_pci_find_cap(psc, VIRTIO_PCI_CAP_NOTIFY_CFG,
- ¬ify, sizeof(notify)))
+ ¬ify, sizeof(notify)))
return ENODEV;
if (virtio_pci_find_cap(psc, VIRTIO_PCI_CAP_ISR_CFG,
- &isr, sizeof(isr)))
+ &isr, sizeof(isr)))
return ENODEV;
if (virtio_pci_find_cap(psc, VIRTIO_PCI_CAP_DEVICE_CFG,
- &device, sizeof(device)))
+ &device, sizeof(device)))
memset(&device, 0, sizeof(device));
else
have_device_cfg = 1;
@@ -460,6 +466,7 @@ virtio_pci_attach_10(device_t self, void
for (i = 0; i < __arraycount(caps); i++) {
int bar = caps[i]->bar;
bus_size_t len = caps[i]->offset + caps[i]->length;
+
if (caps[i]->length == 0)
continue;
if (bars[bar] < len)
@@ -469,13 +476,14 @@ virtio_pci_attach_10(device_t self, void
for (i = j = 0; i < __arraycount(bars); i++) {
int reg;
pcireg_t type;
+
if (bars[i] == 0)
continue;
reg = PCI_BAR(i);
type = pci_mapreg_type(pc, tag, reg);
if (pci_mapreg_map(pa, reg, type, 0,
- &psc->sc_bars_iot[j], &psc->sc_bars_ioh[j],
- NULL, &psc->sc_bars_iosize[j])) {
+ &psc->sc_bars_iot[j], &psc->sc_bars_ioh[j],
+ NULL, &psc->sc_bars_iosize[j])) {
aprint_error_dev(self, "can't map bar %u \n", i);
ret = EIO;
goto err;
@@ -489,8 +497,7 @@ virtio_pci_attach_10(device_t self, void
i = bars_idx[notify.cap.bar];
if (bus_space_subregion(psc->sc_bars_iot[i], psc->sc_bars_ioh[i],
- notify.cap.offset, notify.cap.length,
- &psc->sc_notify_ioh)) {
+ notify.cap.offset, notify.cap.length, &psc->sc_notify_ioh)) {
aprint_error_dev(self, "can't map notify i/o space\n");
ret = EIO;
goto err;
@@ -501,23 +508,23 @@ virtio_pci_attach_10(device_t self, void
if (have_device_cfg) {
i = bars_idx[device.bar];
- if (bus_space_subregion(psc->sc_bars_iot[i], psc->sc_bars_ioh[i],
- device.offset, device.length,
- &sc->sc_devcfg_ioh)) {
+ if (bus_space_subregion(psc->sc_bars_iot[i],
+ psc->sc_bars_ioh[i], device.offset, device.length,
+ &sc->sc_devcfg_ioh)) {
aprint_error_dev(self, "can't map devcfg i/o space\n");
ret = EIO;
goto err;
}
aprint_debug_dev(self,
- "device.offset = 0x%x, device.length = 0x%x\n",
- device.offset, device.length);
+ "device.offset = 0x%x, device.length = 0x%x\n",
+ device.offset, device.length);
sc->sc_devcfg_iosize = device.length;
sc->sc_devcfg_iot = psc->sc_bars_iot[i];
}
i = bars_idx[isr.bar];
if (bus_space_subregion(psc->sc_bars_iot[i], psc->sc_bars_ioh[i],
- isr.offset, isr.length, &psc->sc_isr_ioh)) {
+ isr.offset, isr.length, &psc->sc_isr_ioh)) {
aprint_error_dev(self, "can't map isr i/o space\n");
ret = EIO;
goto err;
@@ -527,7 +534,7 @@ virtio_pci_attach_10(device_t self, void
i = bars_idx[common.bar];
if (bus_space_subregion(psc->sc_bars_iot[i], psc->sc_bars_ioh[i],
- common.offset, common.length, &psc->sc_ioh)) {
+ common.offset, common.length, &psc->sc_ioh)) {
aprint_error_dev(self, "can't map common i/o space\n");
ret = EIO;
goto err;
@@ -539,7 +546,7 @@ virtio_pci_attach_10(device_t self, void
/* set our version 1.0 ops */
sc->sc_ops = &virtio_pci_ops_10;
- sc->sc_bus_endian = READ_ENDIAN_10;
+ sc->sc_bus_endian = READ_ENDIAN_10;
sc->sc_struct_endian = STRUCT_ENDIAN_10;
return 0;
@@ -557,7 +564,8 @@ err:
/* v1.0 attach helper */
static int
-virtio_pci_find_cap(struct virtio_pci_softc *psc, int cfg_type, void *buf, int buflen)
+virtio_pci_find_cap(struct virtio_pci_softc *psc, int cfg_type, void *buf,
+ int buflen)
{
device_t self = psc->sc_sc.sc_dev;
pci_chipset_tag_t pc = psc->sc_pa.pa_pc;
@@ -571,13 +579,14 @@ virtio_pci_find_cap(struct virtio_pci_so
if (buflen < sizeof(struct virtio_pci_cap))
return ERANGE;
- if (!pci_get_capability(pc, tag, PCI_CAP_VENDSPEC, &offset, &v->reg[0]))
+ if (!pci_get_capability(pc, tag, PCI_CAP_VENDSPEC, &offset,
+ &v->reg[0]))
return ENOENT;
do {
for (i = 0; i < 4; i++)
v->reg[i] =
- le32toh(pci_conf_read(pc, tag, offset + i * 4));
+ le32toh(pci_conf_read(pc, tag, offset + i * 4));
if (v->vcap.cfg_type == cfg_type)
break;
offset = v->vcap.cap_next;
@@ -594,7 +603,7 @@ virtio_pci_find_cap(struct virtio_pci_so
}
for (i = 4; i < len / sizeof(pcireg_t); i++)
v->reg[i] =
- le32toh(pci_conf_read(pc, tag, offset + i * 4));
+ le32toh(pci_conf_read(pc, tag, offset + i * 4));
}
/* endian fixup */
@@ -628,8 +637,8 @@ virtio_pci_adjust_config_region(struct v
sc->sc_devcfg_iosize = psc->sc_iosize - psc->sc_devcfg_offset;
sc->sc_devcfg_iot = psc->sc_iot;
if (bus_space_subregion(psc->sc_iot, psc->sc_ioh,
- psc->sc_devcfg_offset, sc->sc_devcfg_iosize,
- &sc->sc_devcfg_ioh)) {
+ psc->sc_devcfg_offset, sc->sc_devcfg_iosize,
+ &sc->sc_devcfg_ioh)) {
aprint_error_dev(self, "can't map config i/o space\n");
return EIO;
}
@@ -674,15 +683,16 @@ virtio_pci_set_status_09(struct virtio_s
int old = 0;
if (status != 0) {
- old = bus_space_read_1(psc->sc_iot, psc->sc_ioh,
- VIRTIO_CONFIG_DEVICE_STATUS);
+ old = bus_space_read_1(psc->sc_iot, psc->sc_ioh,
+ VIRTIO_CONFIG_DEVICE_STATUS);
}
bus_space_write_1(psc->sc_iot, psc->sc_ioh,
VIRTIO_CONFIG_DEVICE_STATUS, status|old);
}
static void
-virtio_pci_negotiate_features_09(struct virtio_softc *sc, uint64_t guest_features)
+virtio_pci_negotiate_features_09(struct virtio_softc *sc,
+ uint64_t guest_features)
{
struct virtio_pci_softc * const psc = (struct virtio_pci_softc *)sc;
uint32_t r;
@@ -707,7 +717,7 @@ virtio_pci_kick_10(struct virtio_softc *
{
struct virtio_pci_softc * const psc = (struct virtio_pci_softc *)sc;
unsigned offset = sc->sc_vqs[idx].vq_notify_off *
- psc->sc_notify_off_multiplier;
+ psc->sc_notify_off_multiplier;
bus_space_write_2(psc->sc_notify_iot, psc->sc_notify_ioh, offset, idx);
}
@@ -737,7 +747,7 @@ virtio_pci_read_queue_size_10(struct vir
*/
static __inline void
virtio_pci_bus_space_write_8(bus_space_tag_t iot, bus_space_handle_t ioh,
- bus_size_t offset, uint64_t value)
+ bus_size_t offset, uint64_t value)
{
#if _QUAD_HIGHWORD
bus_space_write_4(iot, ioh, offset, BUS_ADDR_LO32(value));
@@ -753,7 +763,7 @@ virtio_pci_setup_queue_10(struct virtio_
{
struct virtio_pci_softc * const psc = (struct virtio_pci_softc *)sc;
struct virtqueue *vq = &sc->sc_vqs[idx];
- bus_space_tag_t iot = psc->sc_iot;
+ bus_space_tag_t iot = psc->sc_iot;
bus_space_handle_t ioh = psc->sc_ioh;
KASSERT(vq->vq_index == idx);
@@ -761,22 +771,22 @@ virtio_pci_setup_queue_10(struct virtio_
if (addr == 0) {
bus_space_write_2(iot, ioh, VIRTIO_CONFIG1_QUEUE_ENABLE, 0);
virtio_pci_bus_space_write_8(iot, ioh,
- VIRTIO_CONFIG1_QUEUE_DESC, 0);
+ VIRTIO_CONFIG1_QUEUE_DESC, 0);
virtio_pci_bus_space_write_8(iot, ioh,
- VIRTIO_CONFIG1_QUEUE_AVAIL, 0);
+ VIRTIO_CONFIG1_QUEUE_AVAIL, 0);
virtio_pci_bus_space_write_8(iot, ioh,
- VIRTIO_CONFIG1_QUEUE_USED, 0);
+ VIRTIO_CONFIG1_QUEUE_USED, 0);
} else {
virtio_pci_bus_space_write_8(iot, ioh,
- VIRTIO_CONFIG1_QUEUE_DESC, addr);
+ VIRTIO_CONFIG1_QUEUE_DESC, addr);
virtio_pci_bus_space_write_8(iot, ioh,
- VIRTIO_CONFIG1_QUEUE_AVAIL, addr + vq->vq_availoffset);
+ VIRTIO_CONFIG1_QUEUE_AVAIL, addr + vq->vq_availoffset);
virtio_pci_bus_space_write_8(iot, ioh,
- VIRTIO_CONFIG1_QUEUE_USED, addr + vq->vq_usedoffset);
+ VIRTIO_CONFIG1_QUEUE_USED, addr + vq->vq_usedoffset);
bus_space_write_2(iot, ioh,
- VIRTIO_CONFIG1_QUEUE_ENABLE, 1);
+ VIRTIO_CONFIG1_QUEUE_ENABLE, 1);
vq->vq_notify_off = bus_space_read_2(iot, ioh,
- VIRTIO_CONFIG1_QUEUE_NOTIFY_OFF);
+ VIRTIO_CONFIG1_QUEUE_NOTIFY_OFF);
}
if (psc->sc_ihs_num > 1) {
@@ -784,7 +794,7 @@ virtio_pci_setup_queue_10(struct virtio_
if (psc->sc_intr_pervq)
vec += idx;
bus_space_write_2(iot, ioh,
- VIRTIO_CONFIG1_QUEUE_MSIX_VECTOR, vec);
+ VIRTIO_CONFIG1_QUEUE_MSIX_VECTOR, vec);
}
}
@@ -798,11 +808,13 @@ virtio_pci_set_status_10(struct virtio_s
if (status)
old = bus_space_read_1(iot, ioh, VIRTIO_CONFIG1_DEVICE_STATUS);
- bus_space_write_1(iot, ioh, VIRTIO_CONFIG1_DEVICE_STATUS, status | old);
+ bus_space_write_1(iot, ioh, VIRTIO_CONFIG1_DEVICE_STATUS,
+ status | old);
}
void
-virtio_pci_negotiate_features_10(struct virtio_softc *sc, uint64_t guest_features)
+virtio_pci_negotiate_features_10(struct virtio_softc *sc,
+ uint64_t guest_features)
{
struct virtio_pci_softc * const psc = (struct virtio_pci_softc *)sc;
device_t self = sc->sc_dev;
@@ -822,31 +834,32 @@ virtio_pci_negotiate_features_10(struct
bus_space_write_4(iot, ioh, VIRTIO_CONFIG1_DEVICE_FEATURE_SELECT, 0);
host = bus_space_read_4(iot, ioh, VIRTIO_CONFIG1_DEVICE_FEATURE);
bus_space_write_4(iot, ioh, VIRTIO_CONFIG1_DEVICE_FEATURE_SELECT, 1);
- host |= (uint64_t)
- bus_space_read_4(iot, ioh, VIRTIO_CONFIG1_DEVICE_FEATURE) << 32;
+ host |= (uint64_t)bus_space_read_4(iot, ioh,
+ VIRTIO_CONFIG1_DEVICE_FEATURE) << 32;
negotiated = host & guest_features;
bus_space_write_4(iot, ioh, VIRTIO_CONFIG1_DRIVER_FEATURE_SELECT, 0);
bus_space_write_4(iot, ioh, VIRTIO_CONFIG1_DRIVER_FEATURE,
- negotiated & 0xffffffff);
+ negotiated & 0xffffffff);
bus_space_write_4(iot, ioh, VIRTIO_CONFIG1_DRIVER_FEATURE_SELECT, 1);
bus_space_write_4(iot, ioh, VIRTIO_CONFIG1_DRIVER_FEATURE,
- negotiated >> 32);
+ negotiated >> 32);
virtio_pci_set_status_10(sc, VIRTIO_CONFIG_DEVICE_STATUS_FEATURES_OK);
- device_status = bus_space_read_1(iot, ioh, VIRTIO_CONFIG1_DEVICE_STATUS);
+ device_status = bus_space_read_1(iot, ioh,
+ VIRTIO_CONFIG1_DEVICE_STATUS);
if ((device_status & VIRTIO_CONFIG_DEVICE_STATUS_FEATURES_OK) == 0) {
aprint_error_dev(self, "feature negotiation failed\n");
bus_space_write_1(iot, ioh, VIRTIO_CONFIG1_DEVICE_STATUS,
- VIRTIO_CONFIG_DEVICE_STATUS_FAILED);
+ VIRTIO_CONFIG_DEVICE_STATUS_FAILED);
return;
}
if ((negotiated & VIRTIO_F_VERSION_1) == 0) {
aprint_error_dev(self, "host rejected version 1\n");
bus_space_write_1(iot, ioh, VIRTIO_CONFIG1_DEVICE_STATUS,
- VIRTIO_CONFIG_DEVICE_STATUS_FAILED);
+ VIRTIO_CONFIG_DEVICE_STATUS_FAILED);
return;
}
@@ -870,12 +883,10 @@ virtio_pci_setup_interrupts_10(struct vi
return 0;
vector = VIRTIO_MSIX_CONFIG_VECTOR_INDEX;
- bus_space_write_2(iot, ioh,
- VIRTIO_CONFIG1_CONFIG_MSIX_VECTOR, vector);
+ bus_space_write_2(iot, ioh, VIRTIO_CONFIG1_CONFIG_MSIX_VECTOR, vector);
ret = bus_space_read_2(iot, ioh, VIRTIO_CONFIG1_CONFIG_MSIX_VECTOR);
if (ret != vector) {
- VIRTIO_PCI_LOG(sc, reinit,
- "can't set config msix vector\n");
+ VIRTIO_PCI_LOG(sc, reinit, "can't set config msix vector\n");
return -1;
}
@@ -886,9 +897,9 @@ virtio_pci_setup_interrupts_10(struct vi
vector += qid;
bus_space_write_2(iot, ioh, VIRTIO_CONFIG1_QUEUE_SELECT, qid);
bus_space_write_2(iot, ioh, VIRTIO_CONFIG1_QUEUE_MSIX_VECTOR,
- vector);
+ vector);
ret = bus_space_read_2(iot, ioh,
- VIRTIO_CONFIG1_QUEUE_MSIX_VECTOR);
+ VIRTIO_CONFIG1_QUEUE_MSIX_VECTOR);
if (ret != vector) {
VIRTIO_PCI_LOG(sc, reinit, "can't set queue %d "
"msix vector\n", qid);
@@ -969,7 +980,8 @@ virtio_pci_establish_msix_interrupts(str
psc->sc_ihs[idx] = pci_intr_establish_xname(pc, psc->sc_ihp[idx],
sc->sc_ipl, virtio_pci_msix_config_intr, sc, intr_xname);
if (psc->sc_ihs[idx] == NULL) {
- aprint_error_dev(self, "couldn't establish MSI-X for config\n");
+ aprint_error_dev(self,
+ "couldn't establish MSI-X for config\n");
goto error;
}
@@ -987,29 +999,36 @@ virtio_pci_establish_msix_interrupts(str
PCI_INTR_MPSAFE, true);
}
- psc->sc_ihs[n] = pci_intr_establish_xname(pc, psc->sc_ihp[n],
- sc->sc_ipl, vq->vq_intrhand, vq->vq_intrhand_arg, intr_xname);
+ psc->sc_ihs[n] = pci_intr_establish_xname(pc,
+ psc->sc_ihp[n], sc->sc_ipl,
+ vq->vq_intrhand, vq->vq_intrhand_arg, intr_xname);
if (psc->sc_ihs[n] == NULL) {
- aprint_error_dev(self, "couldn't establish MSI-X for a vq\n");
+ aprint_error_dev(self,
+ "couldn't establish MSI-X for a vq\n");
goto error;
}
}
} else {
- if (sc->sc_flags & VIRTIO_F_INTR_MPSAFE)
- pci_intr_setattr(pc, &psc->sc_ihp[idx], PCI_INTR_MPSAFE, true);
+ if (sc->sc_flags & VIRTIO_F_INTR_MPSAFE) {
+ pci_intr_setattr(pc, &psc->sc_ihp[idx],
+ PCI_INTR_MPSAFE, true);
+ }
snprintf(intr_xname, sizeof(intr_xname), "%s queues",
device_xname(sc->sc_dev));
- psc->sc_ihs[idx] = pci_intr_establish_xname(pc, psc->sc_ihp[idx],
- sc->sc_ipl, virtio_pci_msix_queue_intr, sc, intr_xname);
+ psc->sc_ihs[idx] = pci_intr_establish_xname(pc,
+ psc->sc_ihp[idx], sc->sc_ipl,
+ virtio_pci_msix_queue_intr, sc, intr_xname);
if (psc->sc_ihs[idx] == NULL) {
- aprint_error_dev(self, "couldn't establish MSI-X for queues\n");
+ aprint_error_dev(self,
+ "couldn't establish MSI-X for queues\n");
goto error;
}
}
idx = VIRTIO_MSIX_CONFIG_VECTOR_INDEX;
- intrstr = pci_intr_string(pc, psc->sc_ihp[idx], intrbuf, sizeof(intrbuf));
+ intrstr = pci_intr_string(pc, psc->sc_ihp[idx], intrbuf,
+ sizeof(intrbuf));
aprint_normal_dev(self, "config interrupting at %s\n", intrstr);
idx = VIRTIO_MSIX_QUEUE_VECTOR_INDEX;
if (psc->sc_intr_pervq) {
@@ -1027,10 +1046,12 @@ virtio_pci_establish_msix_interrupts(str
kcpuset_zero(affinity);
kcpuset_set(affinity, affinity_to);
- r = interrupt_distribute(psc->sc_ihs[n], affinity, NULL);
+ r = interrupt_distribute(psc->sc_ihs[n], affinity,
+ NULL);
if (r == 0) {
aprint_normal_dev(self,
- "for vq #%d interrupting at %s affinity to %u\n",
+ "for vq #%d interrupting at %s"
+ " affinity to %u\n",
qid, intrstr, affinity_to);
} else {
aprint_normal_dev(self,
@@ -1041,8 +1062,10 @@ virtio_pci_establish_msix_interrupts(str
kcpuset_destroy(affinity);
} else {
- intrstr = pci_intr_string(pc, psc->sc_ihp[idx], intrbuf, sizeof(intrbuf));
- aprint_normal_dev(self, "queues interrupting at %s\n", intrstr);
+ intrstr = pci_intr_string(pc, psc->sc_ihp[idx], intrbuf,
+ sizeof(intrbuf));
+ aprint_normal_dev(self, "queues interrupting at %s\n",
+ intrstr);
}
return 0;
@@ -1057,12 +1080,15 @@ error:
n = idx + qid;
if (psc->sc_ihs[n] == NULL)
continue;
- pci_intr_disestablish(psc->sc_pa.pa_pc, psc->sc_ihs[n]);
+ pci_intr_disestablish(psc->sc_pa.pa_pc,
+ psc->sc_ihs[n]);
}
} else {
- if (psc->sc_ihs[idx] != NULL)
- pci_intr_disestablish(psc->sc_pa.pa_pc, psc->sc_ihs[idx]);
+ if (psc->sc_ihs[idx] != NULL) {
+ pci_intr_disestablish(psc->sc_pa.pa_pc,
+ psc->sc_ihs[idx]);
+ }
}
return -1;
@@ -1088,7 +1114,8 @@ virtio_pci_establish_intx_interrupt(stru
return -1;
}
- intrstr = pci_intr_string(pc, psc->sc_ihp[0], intrbuf, sizeof(intrbuf));
+ intrstr = pci_intr_string(pc, psc->sc_ihp[0], intrbuf,
+ sizeof(intrbuf));
aprint_normal_dev(self, "interrupting at %s\n", intrstr);
return 0;
@@ -1198,8 +1225,10 @@ virtio_pci_free_interrupts(struct virtio
psc->sc_ihs[i] = NULL;
}
- if (psc->sc_ihs_num > 0)
- pci_intr_release(psc->sc_pa.pa_pc, psc->sc_ihp, psc->sc_ihs_num);
+ if (psc->sc_ihs_num > 0) {
+ pci_intr_release(psc->sc_pa.pa_pc, psc->sc_ihp,
+ psc->sc_ihs_num);
+ }
if (psc->sc_ihs != NULL) {
kmem_free(psc->sc_ihs, sizeof(*psc->sc_ihs) * psc->sc_ihs_num);