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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