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path: root/hw/ivshmem.c
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* Fix ivshmem build on 32-bit hostsAvi Kivity2010-10-111-3/+4
| | | | | | | | | stat() fields can be more or less anything depending on configuration, cast explicitly to uint64_t to avoid printf() format mismatches. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com> (cherry picked from commit ad0a4ac1c0e1859eb0c67900dba696cc459b42a7)
* hw/ivshmem.c don't check for negative values on unsigned data typesJes Sorensen2010-10-111-2/+2
| | | | | | | | | | | | | There is no need to check for dest < 0 or vector >= 0 as both are uint16_t. This should fix problems with broken build with aggressive compiler flags. Reported by Xudong Hao <xudong.hao@intel.com> Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Acked-by: Cam Macdonell <cam@cs.ualberta.ca> Signed-off-by: Blue Swirl <blauwirbel@gmail.com> (cherry picked from commit 1b27d7a1e8609b2eeb6238f2c629eb82217523f6)
* RESEND: Inter-VM shared memory PCI deviceCam Macdonell2010-10-111-0/+828
resend for bug fix related to removal of irqfd Support an inter-vm shared memory device that maps a shared-memory object as a PCI device in the guest. This patch also supports interrupts between guest by communicating over a unix domain socket. This patch applies to the qemu-kvm repository. -device ivshmem,size=<size in format accepted by -m>[,shm=<shm name>] Interrupts are supported between multiple VMs by using a shared memory server by using a chardev socket. -device ivshmem,size=<size in format accepted by -m>[,shm=<shm name>] [,chardev=<id>][,msi=on][,ioeventfd=on][,vectors=n][,role=peer|master] -chardev socket,path=<path>,id=<id> The shared memory server, sample programs and init scripts are in a git repo here: www.gitorious.org/nahanni Signed-off-by: Cam Macdonell <cam@cs.ualberta.ca> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> (cherry picked from commit 6cbf4c8c6416237e9c323661b87d60792a9d51af)