On Mon, 24 Oct 2022 at 19:46, Stefan Hajnoczi wrote:
>
> On Thu, Oct 20, 2022 at 06:11:06PM -0400, Alexander Bulekov wrote:
> > Taking a stab at this. Here is the list of DMA APIs that appear to need
> > changes:
> > dma_memory_valid (1 usage)
> > dma_memory_rw (~5 uses)
> > dma_memory_read (~92 u
On Thu, Oct 20, 2022 at 06:11:06PM -0400, Alexander Bulekov wrote:
> On 220712 1034, Stefan Hajnoczi wrote:
> > On Tue, Jun 21, 2022 at 11:53:06AM -0400, Alexander Bulekov wrote:
> > > On 220621 1630, Peter Maydell wrote:
> > > > On Thu, 9 Jun 2022 at 14:59, Alexander Bulekov wrote:
> > > > > diff
On 220712 1034, Stefan Hajnoczi wrote:
> On Tue, Jun 21, 2022 at 11:53:06AM -0400, Alexander Bulekov wrote:
> > On 220621 1630, Peter Maydell wrote:
> > > On Thu, 9 Jun 2022 at 14:59, Alexander Bulekov wrote:
> > > > diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
> > > > index 44dacfa224
On Wed, 13 Jul 2022 at 16:51, Alexander Bulekov wrote:
>
> On 220712 1034, Stefan Hajnoczi wrote:
> > On Tue, Jun 21, 2022 at 11:53:06AM -0400, Alexander Bulekov wrote:
> > > On 220621 1630, Peter Maydell wrote:
> > > > On Thu, 9 Jun 2022 at 14:59, Alexander Bulekov wrote:
> > > > > diff --git a/
On 220712 1034, Stefan Hajnoczi wrote:
> On Tue, Jun 21, 2022 at 11:53:06AM -0400, Alexander Bulekov wrote:
> > On 220621 1630, Peter Maydell wrote:
> > > On Thu, 9 Jun 2022 at 14:59, Alexander Bulekov wrote:
> > > > diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
> > > > index 44dacfa224
On Tue, Jun 21, 2022 at 11:53:06AM -0400, Alexander Bulekov wrote:
> On 220621 1630, Peter Maydell wrote:
> > On Thu, 9 Jun 2022 at 14:59, Alexander Bulekov wrote:
> > > diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
> > > index 44dacfa224..ab1ad0f7a8 100644
> > > --- a/include/hw/pci/pc
On 220621 1630, Peter Maydell wrote:
> On Thu, 9 Jun 2022 at 14:59, Alexander Bulekov wrote:
> >
> > Add a flag to the DeviceState, when a device is engaged in PIO/MMIO/DMA.
> > This flag is set/checked prior to calling a device's MemoryRegion
> > handlers, and set when device code initiates DMA.
On Thu, 9 Jun 2022 at 14:59, Alexander Bulekov wrote:
>
> Add a flag to the DeviceState, when a device is engaged in PIO/MMIO/DMA.
> This flag is set/checked prior to calling a device's MemoryRegion
> handlers, and set when device code initiates DMA. The purpose of this
> flag is to prevent two t
On 220621 1034, David Hildenbrand wrote:
> On 09.06.22 15:58, Alexander Bulekov wrote:
> > Add a flag to the DeviceState, when a device is engaged in PIO/MMIO/DMA.
> > This flag is set/checked prior to calling a device's MemoryRegion
> > handlers, and set when device code initiates DMA. The purpos
On 09.06.22 15:58, Alexander Bulekov wrote:
> Add a flag to the DeviceState, when a device is engaged in PIO/MMIO/DMA.
> This flag is set/checked prior to calling a device's MemoryRegion
> handlers, and set when device code initiates DMA. The purpose of this
> flag is to prevent two types of DMA-b
On 220609 0958, Alexander Bulekov wrote:
> Add a flag to the DeviceState, when a device is engaged in PIO/MMIO/DMA.
> This flag is set/checked prior to calling a device's MemoryRegion
> handlers, and set when device code initiates DMA. The purpose of this
> flag is to prevent two types of DMA-base
Add a flag to the DeviceState, when a device is engaged in PIO/MMIO/DMA.
This flag is set/checked prior to calling a device's MemoryRegion
handlers, and set when device code initiates DMA. The purpose of this
flag is to prevent two types of DMA-based reentrancy issues:
1.) mmio -> dma -> mmio cas
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