search for: virtio_mmio_interrupt_ack

Displaying 20 results from an estimated 28 matches for "virtio_mmio_interrupt_ack".

[PATCH 1/2] virtio_mmio: add standard header file
2017 Jan 12
1
[PATCH 1/2] virtio_mmio: add standard header file
...or the currently selected queue - Read Write */ +#define VIRTIO_MMIO_QUEUE_READY 0x044 + +/* Queue notifier - Write Only */ +#define VIRTIO_MMIO_QUEUE_NOTIFY 0x050 + +/* Interrupt status - Read Only */ +#define VIRTIO_MMIO_INTERRUPT_STATUS 0x060 + +/* Interrupt acknowledge - Write Only */ +#define VIRTIO_MMIO_INTERRUPT_ACK 0x064 + +/* Device status register - Read Write */ +#define VIRTIO_MMIO_STATUS 0x070 + +/* Selected queue's Descriptor Table address, 64 bits in two halves */ +#define VIRTIO_MMIO_QUEUE_DESC_LOW 0x080 +#define VIRTIO_MMIO_QUEUE_DESC_HIGH 0x084 + +/* Selected queue's Available Ring address,...
[PATCH 1/2] virtio_mmio: add standard header file
2017 Jan 12
1
[PATCH 1/2] virtio_mmio: add standard header file
...or the currently selected queue - Read Write */ +#define VIRTIO_MMIO_QUEUE_READY 0x044 + +/* Queue notifier - Write Only */ +#define VIRTIO_MMIO_QUEUE_NOTIFY 0x050 + +/* Interrupt status - Read Only */ +#define VIRTIO_MMIO_INTERRUPT_STATUS 0x060 + +/* Interrupt acknowledge - Write Only */ +#define VIRTIO_MMIO_INTERRUPT_ACK 0x064 + +/* Device status register - Read Write */ +#define VIRTIO_MMIO_STATUS 0x070 + +/* Selected queue's Descriptor Table address, 64 bits in two halves */ +#define VIRTIO_MMIO_QUEUE_DESC_LOW 0x080 +#define VIRTIO_MMIO_QUEUE_DESC_HIGH 0x084 + +/* Selected queue's Available Ring address,...
[PATCH 2/2] virtio-mmio: Support multiple interrupts per device
2023 Oct 10
1
[PATCH 2/2] virtio-mmio: Support multiple interrupts per device
...t virtio_mmio_device *vm_dev = opaque; > @@ -308,20 +316,31 @@ static irqreturn_t vm_interrupt(int irq, void *opaque) > > /* Read and acknowledge interrupts */ > status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); > - writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); > > if (unlikely(status & VIRTIO_MMIO_INT_CONFIG)) { > + writel(status & VIRTIO_MMIO_INT_CONFIG, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); > virtio_config_changed(&vm_dev->vdev); > ret = IRQ_HANDLED; >...
[PATCH 2/2] virtio-mmio: Support multiple interrupts per device
2023 Oct 10
1
[PATCH 2/2] virtio-mmio: Support multiple interrupts per device
...t virtio_mmio_device *vm_dev = opaque; > @@ -308,20 +316,31 @@ static irqreturn_t vm_interrupt(int irq, void *opaque) > > /* Read and acknowledge interrupts */ > status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); > - writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); > > if (unlikely(status & VIRTIO_MMIO_INT_CONFIG)) { > + writel(status & VIRTIO_MMIO_INT_CONFIG, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); > virtio_config_changed(&vm_dev->vdev); > ret = IRQ_HANDLED; >...
[PATCH] virtio: unify config_changed handling
2014 Sep 22
1
[PATCH] virtio: unify config_changed handling
...dev.driver, - struct virtio_driver, driver); unsigned long status; unsigned long flags; irqreturn_t ret = IRQ_NONE; @@ -244,9 +242,8 @@ static irqreturn_t vm_interrupt(int irq, void *opaque) status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); - if (unlikely(status & VIRTIO_MMIO_INT_CONFIG) - && vdrv && vdrv->config_changed) { - vdrv->config_changed(&vm_dev->vdev); + if (unlikely(status & VIRTIO_MMIO_INT_CONFIG)) { + virtio_config_changed(&vm_dev->vdev); ret = IRQ_HANDLED; } diff...
[PATCH] virtio: unify config_changed handling
2014 Sep 22
1
[PATCH] virtio: unify config_changed handling
...dev.driver, - struct virtio_driver, driver); unsigned long status; unsigned long flags; irqreturn_t ret = IRQ_NONE; @@ -244,9 +242,8 @@ static irqreturn_t vm_interrupt(int irq, void *opaque) status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); - if (unlikely(status & VIRTIO_MMIO_INT_CONFIG) - && vdrv && vdrv->config_changed) { - vdrv->config_changed(&vm_dev->vdev); + if (unlikely(status & VIRTIO_MMIO_INT_CONFIG)) { + virtio_config_changed(&vm_dev->vdev); ret = IRQ_HANDLED; } diff...
[PATCH 02/16] virtio: unify config_changed handling
2014 Oct 05
0
[PATCH 02/16] virtio: unify config_changed handling
...dev.driver, - struct virtio_driver, driver); unsigned long status; unsigned long flags; irqreturn_t ret = IRQ_NONE; @@ -244,9 +242,8 @@ static irqreturn_t vm_interrupt(int irq, void *opaque) status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); - if (unlikely(status & VIRTIO_MMIO_INT_CONFIG) - && vdrv && vdrv->config_changed) { - vdrv->config_changed(&vm_dev->vdev); + if (unlikely(status & VIRTIO_MMIO_INT_CONFIG)) { + virtio_config_changed(&vm_dev->vdev); ret = IRQ_HANDLED; } diff...
[PATCH v2 02/15] virtio: unify config_changed handling
2014 Oct 06
0
[PATCH v2 02/15] virtio: unify config_changed handling
...dev.driver, - struct virtio_driver, driver); unsigned long status; unsigned long flags; irqreturn_t ret = IRQ_NONE; @@ -244,9 +242,8 @@ static irqreturn_t vm_interrupt(int irq, void *opaque) status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); - if (unlikely(status & VIRTIO_MMIO_INT_CONFIG) - && vdrv && vdrv->config_changed) { - vdrv->config_changed(&vm_dev->vdev); + if (unlikely(status & VIRTIO_MMIO_INT_CONFIG)) { + virtio_config_changed(&vm_dev->vdev); ret = IRQ_HANDLED; } diff...
[RFC PATCH] virtio-mmio: support for multiple irqs
2014 Nov 06
2
[RFC PATCH] virtio-mmio: support for multiple irqs
...t; + struct virtio_mmio_device *vm_dev = opaque; >> + unsigned long status; >> irqreturn_t ret = IRQ_NONE; >> >> /* Read and acknowledge interrupts */ >> status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); >> writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); >> >> - if (unlikely(status & VIRTIO_MMIO_INT_CONFIG) >> - && vdrv && vdrv->config_changed) { >> - vdrv->config_changed(&vm_dev->vdev); >> - ret = IRQ_HANDLED; >> - } >> + if (unlikely(status & VIRTIO_MMIO_INT_CO...
[RFC PATCH] virtio-mmio: support for multiple irqs
2014 Nov 06
2
[RFC PATCH] virtio-mmio: support for multiple irqs
...t; + struct virtio_mmio_device *vm_dev = opaque; >> + unsigned long status; >> irqreturn_t ret = IRQ_NONE; >> >> /* Read and acknowledge interrupts */ >> status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); >> writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); >> >> - if (unlikely(status & VIRTIO_MMIO_INT_CONFIG) >> - && vdrv && vdrv->config_changed) { >> - vdrv->config_changed(&vm_dev->vdev); >> - ret = IRQ_HANDLED; >> - } >> + if (unlikely(status & VIRTIO_MMIO_INT_CO...
[PATCH v3] virtio: Add platform bus driver for memory mapped virtio device
2011 Oct 27
1
[PATCH v3] virtio: Add platform bus driver for memory mapped virtio device
On Mon, 2011-10-24 at 03:33 +0100, Rusty Russell wrote: > No, that's it I think. Please send a diff for the documentation, since > I'm updating the LyX master and I've already applied your previous > version. Here it goes (below). Also do you think you would be able to merge the driver (corresponding v4 patch follows) in the 3.2 merge window that seems to have just opened?
[PATCH v3] virtio: Add platform bus driver for memory mapped virtio device
2011 Oct 27
1
[PATCH v3] virtio: Add platform bus driver for memory mapped virtio device
On Mon, 2011-10-24 at 03:33 +0100, Rusty Russell wrote: > No, that's it I think. Please send a diff for the documentation, since > I'm updating the LyX master and I've already applied your previous > version. Here it goes (below). Also do you think you would be able to merge the driver (corresponding v4 patch follows) in the 3.2 merge window that seems to have just opened?
[RFC PATCH] virtio-mmio: support for multiple irqs
2014 Nov 06
0
[RFC PATCH] virtio-mmio: support for multiple irqs
...void *opaque) > +{ > + struct virtio_mmio_device *vm_dev = opaque; > + unsigned long status; > irqreturn_t ret = IRQ_NONE; > > /* Read and acknowledge interrupts */ > status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); > writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); > > - if (unlikely(status & VIRTIO_MMIO_INT_CONFIG) > - && vdrv && vdrv->config_changed) { > - vdrv->config_changed(&vm_dev->vdev); > - ret = IRQ_HANDLED; > - } > + if (unlikely(status & VIRTIO_MMIO_INT_CONFIG)) > + return vm_con...
[RFC PATCH] virtio-mmio: support for multiple irqs
2014 Nov 06
0
[RFC PATCH] virtio-mmio: support for multiple irqs
...*vm_dev = opaque; > >> + unsigned long status; > >> irqreturn_t ret = IRQ_NONE; > >> > >> /* Read and acknowledge interrupts */ > >> status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); > >> writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); > >> > >> - if (unlikely(status & VIRTIO_MMIO_INT_CONFIG) > >> - && vdrv && vdrv->config_changed) { > >> - vdrv->config_changed(&vm_dev->vdev); > >> - ret = IRQ_HANDLED; > >> - } > >> + if (unlik...
[RFC PATCH] virtio-mmio: support for multiple irqs
2014 Nov 04
6
[RFC PATCH] virtio-mmio: support for multiple irqs
...tatic irqreturn_t vm_interrupt(int irq, void *opaque) +{ + struct virtio_mmio_device *vm_dev = opaque; + unsigned long status; irqreturn_t ret = IRQ_NONE; /* Read and acknowledge interrupts */ status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); - if (unlikely(status & VIRTIO_MMIO_INT_CONFIG) - && vdrv && vdrv->config_changed) { - vdrv->config_changed(&vm_dev->vdev); - ret = IRQ_HANDLED; - } + if (unlikely(status & VIRTIO_MMIO_INT_CONFIG)) + return vm_config_changed(irq, opaque); - if (likely...
[RFC PATCH] virtio-mmio: support for multiple irqs
2014 Nov 04
6
[RFC PATCH] virtio-mmio: support for multiple irqs
...tatic irqreturn_t vm_interrupt(int irq, void *opaque) +{ + struct virtio_mmio_device *vm_dev = opaque; + unsigned long status; irqreturn_t ret = IRQ_NONE; /* Read and acknowledge interrupts */ status = readl(vm_dev->base + VIRTIO_MMIO_INTERRUPT_STATUS); writel(status, vm_dev->base + VIRTIO_MMIO_INTERRUPT_ACK); - if (unlikely(status & VIRTIO_MMIO_INT_CONFIG) - && vdrv && vdrv->config_changed) { - vdrv->config_changed(&vm_dev->vdev); - ret = IRQ_HANDLED; - } + if (unlikely(status & VIRTIO_MMIO_INT_CONFIG)) + return vm_config_changed(irq, opaque); - if (likely...
[PATCH 05/14] kvm tools: Add virtio-mmio support
2012 Apr 07
0
[PATCH 05/14] kvm tools: Add virtio-mmio support
...mmio->kvm, vdev, vmmio->hdr.queue_sel); + vdev->ops->init_vq(vmmio->kvm, vmmio->dev, + vmmio->hdr.queue_sel, val); + break; + case VIRTIO_MMIO_QUEUE_NOTIFY: + val = ioport__read32(data); + vdev->ops->notify_vq(vmmio->kvm, vmmio->dev, val); + break; + case VIRTIO_MMIO_INTERRUPT_ACK: + val = ioport__read32(data); + vmmio->hdr.interrupt_state &= ~val; + break; + default: + break; + }; +} + +static void virtio_mmio_mmio_callback(u64 addr, u8 *data, u32 len, + u8 is_write, void *ptr) +{ + struct virtio_device *vdev = ptr; + struct virtio_mmio *vmmio = vdev-&gt...
[PATCH 05/14] kvm tools: Add virtio-mmio support
2012 Apr 07
0
[PATCH 05/14] kvm tools: Add virtio-mmio support
...mmio->kvm, vdev, vmmio->hdr.queue_sel); + vdev->ops->init_vq(vmmio->kvm, vmmio->dev, + vmmio->hdr.queue_sel, val); + break; + case VIRTIO_MMIO_QUEUE_NOTIFY: + val = ioport__read32(data); + vdev->ops->notify_vq(vmmio->kvm, vmmio->dev, val); + break; + case VIRTIO_MMIO_INTERRUPT_ACK: + val = ioport__read32(data); + vmmio->hdr.interrupt_state &= ~val; + break; + default: + break; + }; +} + +static void virtio_mmio_mmio_callback(u64 addr, u8 *data, u32 len, + u8 is_write, void *ptr) +{ + struct virtio_device *vdev = ptr; + struct virtio_mmio *vmmio = vdev-&gt...
[RFC] kvm tools: Add support for virtio-mmio
2011 Nov 15
2
[RFC] kvm tools: Add support for virtio-mmio
...PFN: + val = ioport__read32(data); + vtrans->virtio_ops->init_vq(vmmio->kvm, vmmio->dev, vmmio->hdr.queue_sel, val); + break; + case VIRTIO_MMIO_QUEUE_NOTIFY: + val = ioport__read32(data); + vtrans->virtio_ops->notify_vq(vmmio->kvm, vmmio->dev, val); + break; + case VIRTIO_MMIO_INTERRUPT_ACK: + val = ioport__read32(data); + vmmio->hdr.interrupt_state &= ~val; + break; + }; +} + +static void virtio_mmio__config_in(u64 addr, void *data, u32 len, struct virtio_trans *vtrans) +{ + struct virtio_mmio *vmmio = vtrans->virtio; + u32 val = 0; + + switch(addr) { + case VIRTIO_MMIO_...
[RFC] kvm tools: Add support for virtio-mmio
2011 Nov 15
2
[RFC] kvm tools: Add support for virtio-mmio
...PFN: + val = ioport__read32(data); + vtrans->virtio_ops->init_vq(vmmio->kvm, vmmio->dev, vmmio->hdr.queue_sel, val); + break; + case VIRTIO_MMIO_QUEUE_NOTIFY: + val = ioport__read32(data); + vtrans->virtio_ops->notify_vq(vmmio->kvm, vmmio->dev, val); + break; + case VIRTIO_MMIO_INTERRUPT_ACK: + val = ioport__read32(data); + vmmio->hdr.interrupt_state &= ~val; + break; + }; +} + +static void virtio_mmio__config_in(u64 addr, void *data, u32 len, struct virtio_trans *vtrans) +{ + struct virtio_mmio *vmmio = vtrans->virtio; + u32 val = 0; + + switch(addr) { + case VIRTIO_MMIO_...