Re: [PATCH v4 0/3] PCI Shared memory device

2010-04-12 Thread Michael S. Tsirkin
On Wed, Apr 07, 2010 at 04:51:57PM -0600, Cam Macdonell wrote:
> Latest patch for PCI shared memory device that maps a host shared memory 
> object
> to be shared between guests

FWIW, I still think it would be better to reuse virtio-pci spec
for feature negotiation, control etc even
if Anthony nacks the reuse of virtio code in qemu.

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[PATCH v4 0/3] PCI Shared memory device

2010-04-07 Thread Cam Macdonell
Latest patch for PCI shared memory device that maps a host shared memory object
to be shared between guests

new in this series
- moved to single Doorbell register and use datamatch to trigger different
  VMs rather than one register per eventfd
- remove writing arbitrary values to eventfds.  Only values of 1 are now
  written to ensure correct usage

Cam Macdonell (3):
  Device specification for shared memory PCI device
  Support adding a file to qemu's ram allocation
  Inter-VM shared memory PCI device

 Makefile.target|3 +
 cpu-common.h   |1 +
 docs/specs/ivshmem_device_spec.txt |   85 +
 exec.c |   33 ++
 hw/ivshmem.c   |  700 
 qemu-char.c|6 +
 qemu-char.h|3 +
 7 files changed, 831 insertions(+), 0 deletions(-)
 create mode 100644 docs/specs/ivshmem_device_spec.txt
 create mode 100644 hw/ivshmem.c

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