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[PATCH 04/16] vfio/helpers: Make vfio_set_irq_signaling() return bool
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From: |
Zhenzhong Duan |
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Subject: |
[PATCH 04/16] vfio/helpers: Make vfio_set_irq_signaling() return bool |
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Date: |
Wed, 15 May 2024 16:20:29 +0800 |
This is to follow the coding standand in qapi/error.h to return bool
for bool-valued functions.
Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
---
include/hw/vfio/vfio-common.h | 4 ++--
hw/vfio/ap.c | 8 +++----
hw/vfio/ccw.c | 8 +++----
hw/vfio/helpers.c | 18 ++++++----------
hw/vfio/pci.c | 40 ++++++++++++++++++-----------------
hw/vfio/platform.c | 18 +++++++---------
6 files changed, 46 insertions(+), 50 deletions(-)
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h
index 2d8da32df4..fdce13f0f2 100644
--- a/include/hw/vfio/vfio-common.h
+++ b/include/hw/vfio/vfio-common.h
@@ -207,8 +207,8 @@ void vfio_spapr_container_deinit(VFIOContainer *container);
void vfio_disable_irqindex(VFIODevice *vbasedev, int index);
void vfio_unmask_single_irqindex(VFIODevice *vbasedev, int index);
void vfio_mask_single_irqindex(VFIODevice *vbasedev, int index);
-int vfio_set_irq_signaling(VFIODevice *vbasedev, int index, int subindex,
- int action, int fd, Error **errp);
+bool vfio_set_irq_signaling(VFIODevice *vbasedev, int index, int subindex,
+ int action, int fd, Error **errp);
void vfio_region_write(void *opaque, hwaddr addr,
uint64_t data, unsigned size);
uint64_t vfio_region_read(void *opaque,
diff --git a/hw/vfio/ap.c b/hw/vfio/ap.c
index ba653ef70f..d8a9615fee 100644
--- a/hw/vfio/ap.c
+++ b/hw/vfio/ap.c
@@ -117,8 +117,8 @@ static bool vfio_ap_register_irq_notifier(VFIOAPDevice
*vapdev,
fd = event_notifier_get_fd(notifier);
qemu_set_fd_handler(fd, fd_read, NULL, vapdev);
- if (vfio_set_irq_signaling(vdev, irq, 0, VFIO_IRQ_SET_ACTION_TRIGGER, fd,
- errp)) {
+ if (!vfio_set_irq_signaling(vdev, irq, 0, VFIO_IRQ_SET_ACTION_TRIGGER, fd,
+ errp)) {
qemu_set_fd_handler(fd, NULL, NULL, vapdev);
event_notifier_cleanup(notifier);
}
@@ -141,8 +141,8 @@ static void vfio_ap_unregister_irq_notifier(VFIOAPDevice
*vapdev,
return;
}
- if (vfio_set_irq_signaling(&vapdev->vdev, irq, 0,
- VFIO_IRQ_SET_ACTION_TRIGGER, -1, &err)) {
+ if (!vfio_set_irq_signaling(&vapdev->vdev, irq, 0,
+ VFIO_IRQ_SET_ACTION_TRIGGER, -1, &err)) {
warn_reportf_err(err, VFIO_MSG_PREFIX, vapdev->vdev.name);
}
diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
index 89bb980167..1f578a3c75 100644
--- a/hw/vfio/ccw.c
+++ b/hw/vfio/ccw.c
@@ -434,8 +434,8 @@ static bool vfio_ccw_register_irq_notifier(VFIOCCWDevice
*vcdev,
fd = event_notifier_get_fd(notifier);
qemu_set_fd_handler(fd, fd_read, NULL, vcdev);
- if (vfio_set_irq_signaling(vdev, irq, 0,
- VFIO_IRQ_SET_ACTION_TRIGGER, fd, errp)) {
+ if (!vfio_set_irq_signaling(vdev, irq, 0,
+ VFIO_IRQ_SET_ACTION_TRIGGER, fd, errp)) {
qemu_set_fd_handler(fd, NULL, NULL, vcdev);
event_notifier_cleanup(notifier);
}
@@ -464,8 +464,8 @@ static void vfio_ccw_unregister_irq_notifier(VFIOCCWDevice
*vcdev,
return;
}
- if (vfio_set_irq_signaling(&vcdev->vdev, irq, 0,
- VFIO_IRQ_SET_ACTION_TRIGGER, -1, &err)) {
+ if (!vfio_set_irq_signaling(&vcdev->vdev, irq, 0,
+ VFIO_IRQ_SET_ACTION_TRIGGER, -1, &err)) {
warn_reportf_err(err, VFIO_MSG_PREFIX, vcdev->vdev.name);
}
diff --git a/hw/vfio/helpers.c b/hw/vfio/helpers.c
index 0bb7b40a6a..93e6fef6de 100644
--- a/hw/vfio/helpers.c
+++ b/hw/vfio/helpers.c
@@ -107,12 +107,12 @@ static const char *index_to_str(VFIODevice *vbasedev, int
index)
}
}
-int vfio_set_irq_signaling(VFIODevice *vbasedev, int index, int subindex,
- int action, int fd, Error **errp)
+bool vfio_set_irq_signaling(VFIODevice *vbasedev, int index, int subindex,
+ int action, int fd, Error **errp)
{
ERRP_GUARD();
g_autofree struct vfio_irq_set *irq_set = NULL;
- int argsz, ret = 0;
+ int argsz;
const char *name;
int32_t *pfd;
@@ -127,15 +127,11 @@ int vfio_set_irq_signaling(VFIODevice *vbasedev, int
index, int subindex,
pfd = (int32_t *)&irq_set->data;
*pfd = fd;
- if (ioctl(vbasedev->fd, VFIO_DEVICE_SET_IRQS, irq_set)) {
- ret = -errno;
+ if (!ioctl(vbasedev->fd, VFIO_DEVICE_SET_IRQS, irq_set)) {
+ return true;
}
- if (!ret) {
- return 0;
- }
-
- error_setg_errno(errp, -ret, "VFIO_DEVICE_SET_IRQS failure");
+ error_setg_errno(errp, errno, "VFIO_DEVICE_SET_IRQS failure");
name = index_to_str(vbasedev, index);
if (name) {
@@ -146,7 +142,7 @@ int vfio_set_irq_signaling(VFIODevice *vbasedev, int index,
int subindex,
error_prepend(errp,
"Failed to %s %s eventfd signaling for interrupt ",
fd < 0 ? "tear down" : "set up", action_to_str(action));
- return ret;
+ return false;
}
/*
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index a447013a1d..358da4497b 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -147,10 +147,10 @@ static void vfio_intx_enable_kvm(VFIOPCIDevice *vdev,
Error **errp)
goto fail_irqfd;
}
- if (vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_INTX_IRQ_INDEX, 0,
- VFIO_IRQ_SET_ACTION_UNMASK,
- event_notifier_get_fd(&vdev->intx.unmask),
- errp)) {
+ if (!vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_INTX_IRQ_INDEX, 0,
+ VFIO_IRQ_SET_ACTION_UNMASK,
+ event_notifier_get_fd(&vdev->intx.unmask),
+ errp)) {
goto fail_vfio;
}
@@ -295,8 +295,8 @@ static int vfio_intx_enable(VFIOPCIDevice *vdev, Error
**errp)
fd = event_notifier_get_fd(&vdev->intx.interrupt);
qemu_set_fd_handler(fd, vfio_intx_interrupt, NULL, vdev);
- if (vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_INTX_IRQ_INDEX, 0,
- VFIO_IRQ_SET_ACTION_TRIGGER, fd, errp)) {
+ if (!vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_INTX_IRQ_INDEX, 0,
+ VFIO_IRQ_SET_ACTION_TRIGGER, fd, errp)) {
qemu_set_fd_handler(fd, NULL, NULL, vdev);
event_notifier_cleanup(&vdev->intx.interrupt);
return -errno;
@@ -590,9 +590,10 @@ static int vfio_msix_vector_do_use(PCIDevice *pdev,
unsigned int nr,
fd = event_notifier_get_fd(&vector->interrupt);
}
- if (vfio_set_irq_signaling(&vdev->vbasedev,
- VFIO_PCI_MSIX_IRQ_INDEX, nr,
- VFIO_IRQ_SET_ACTION_TRIGGER, fd, &err))
{
+ if (!vfio_set_irq_signaling(&vdev->vbasedev,
+ VFIO_PCI_MSIX_IRQ_INDEX, nr,
+ VFIO_IRQ_SET_ACTION_TRIGGER, fd,
+ &err)) {
error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);
}
}
@@ -634,8 +635,9 @@ static void vfio_msix_vector_release(PCIDevice *pdev,
unsigned int nr)
int32_t fd = event_notifier_get_fd(&vector->interrupt);
Error *err = NULL;
- if (vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_MSIX_IRQ_INDEX,
nr,
- VFIO_IRQ_SET_ACTION_TRIGGER, fd, &err)) {
+ if (!vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_MSIX_IRQ_INDEX,
+ nr, VFIO_IRQ_SET_ACTION_TRIGGER, fd,
+ &err)) {
error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);
}
}
@@ -2873,8 +2875,8 @@ static void vfio_register_err_notifier(VFIOPCIDevice
*vdev)
fd = event_notifier_get_fd(&vdev->err_notifier);
qemu_set_fd_handler(fd, vfio_err_notifier_handler, NULL, vdev);
- if (vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_ERR_IRQ_INDEX, 0,
- VFIO_IRQ_SET_ACTION_TRIGGER, fd, &err)) {
+ if (!vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_ERR_IRQ_INDEX, 0,
+ VFIO_IRQ_SET_ACTION_TRIGGER, fd, &err)) {
error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);
qemu_set_fd_handler(fd, NULL, NULL, vdev);
event_notifier_cleanup(&vdev->err_notifier);
@@ -2890,8 +2892,8 @@ static void vfio_unregister_err_notifier(VFIOPCIDevice
*vdev)
return;
}
- if (vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_ERR_IRQ_INDEX, 0,
- VFIO_IRQ_SET_ACTION_TRIGGER, -1, &err)) {
+ if (!vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_ERR_IRQ_INDEX, 0,
+ VFIO_IRQ_SET_ACTION_TRIGGER, -1, &err)) {
error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);
}
qemu_set_fd_handler(event_notifier_get_fd(&vdev->err_notifier),
@@ -2938,8 +2940,8 @@ static void vfio_register_req_notifier(VFIOPCIDevice
*vdev)
fd = event_notifier_get_fd(&vdev->req_notifier);
qemu_set_fd_handler(fd, vfio_req_notifier_handler, NULL, vdev);
- if (vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_REQ_IRQ_INDEX, 0,
- VFIO_IRQ_SET_ACTION_TRIGGER, fd, &err)) {
+ if (!vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_REQ_IRQ_INDEX, 0,
+ VFIO_IRQ_SET_ACTION_TRIGGER, fd, &err)) {
error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);
qemu_set_fd_handler(fd, NULL, NULL, vdev);
event_notifier_cleanup(&vdev->req_notifier);
@@ -2956,8 +2958,8 @@ static void vfio_unregister_req_notifier(VFIOPCIDevice
*vdev)
return;
}
- if (vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_REQ_IRQ_INDEX, 0,
- VFIO_IRQ_SET_ACTION_TRIGGER, -1, &err)) {
+ if (!vfio_set_irq_signaling(&vdev->vbasedev, VFIO_PCI_REQ_IRQ_INDEX, 0,
+ VFIO_IRQ_SET_ACTION_TRIGGER, -1, &err)) {
error_reportf_err(err, VFIO_MSG_PREFIX, vdev->vbasedev.name);
}
qemu_set_fd_handler(event_notifier_get_fd(&vdev->req_notifier),
diff --git a/hw/vfio/platform.c b/hw/vfio/platform.c
index 2bd16096bb..3233ca8691 100644
--- a/hw/vfio/platform.c
+++ b/hw/vfio/platform.c
@@ -115,18 +115,17 @@ static int vfio_set_trigger_eventfd(VFIOINTp *intp,
VFIODevice *vbasedev = &intp->vdev->vbasedev;
int32_t fd = event_notifier_get_fd(intp->interrupt);
Error *err = NULL;
- int ret;
qemu_set_fd_handler(fd, (IOHandler *)handler, NULL, intp);
- ret = vfio_set_irq_signaling(vbasedev, intp->pin, 0,
- VFIO_IRQ_SET_ACTION_TRIGGER, fd, &err);
- if (ret) {
+ if (!vfio_set_irq_signaling(vbasedev, intp->pin, 0,
+ VFIO_IRQ_SET_ACTION_TRIGGER, fd, &err)) {
error_reportf_err(err, VFIO_MSG_PREFIX, vbasedev->name);
qemu_set_fd_handler(fd, NULL, NULL, NULL);
+ return -EINVAL;
}
- return ret;
+ return 0;
}
/*
@@ -355,15 +354,14 @@ static int vfio_set_resample_eventfd(VFIOINTp *intp)
int32_t fd = event_notifier_get_fd(intp->unmask);
VFIODevice *vbasedev = &intp->vdev->vbasedev;
Error *err = NULL;
- int ret;
qemu_set_fd_handler(fd, NULL, NULL, NULL);
- ret = vfio_set_irq_signaling(vbasedev, intp->pin, 0,
- VFIO_IRQ_SET_ACTION_UNMASK, fd, &err);
- if (ret) {
+ if (!vfio_set_irq_signaling(vbasedev, intp->pin, 0,
+ VFIO_IRQ_SET_ACTION_UNMASK, fd, &err)) {
error_reportf_err(err, VFIO_MSG_PREFIX, vbasedev->name);
+ return -EINVAL;
}
- return ret;
+ return 0;
}
/**
--
2.34.1
- [PATCH 04/16] vfio/helpers: Make vfio_set_irq_signaling() return bool,
Zhenzhong Duan <=