From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Nze6e-0006T5-Si for qemu-devel@nongnu.org; Wed, 07 Apr 2010 18:52:20 -0400 Received: from [140.186.70.92] (port=36088 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Nze6c-0006Rm-Ff for qemu-devel@nongnu.org; Wed, 07 Apr 2010 18:52:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Nze6Z-0003yU-UA for qemu-devel@nongnu.org; Wed, 07 Apr 2010 18:52:18 -0400 Received: from fleet.cs.ualberta.ca ([129.128.22.22]:44393) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Nze6Z-0003xi-Px for qemu-devel@nongnu.org; Wed, 07 Apr 2010 18:52:15 -0400 From: Cam Macdonell Date: Wed, 7 Apr 2010 16:51:57 -0600 Message-Id: <1270680720-8457-1-git-send-email-cam@cs.ualberta.ca> Subject: [Qemu-devel] [PATCH v4 0/3] PCI Shared memory device List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: kvm@vger.kernel.org Cc: Cam Macdonell , qemu-devel@nongnu.org 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