From 11ab872588335918ddc83c73957077bb85a38a6d Mon Sep 17 00:00:00 2001 From: Elena Ufimtseva Date: Fri, 29 Jan 2021 11:46:16 -0500 Subject: multi-process: Forward PCI config space acceses to the remote process The Proxy Object sends the PCI config space accesses as messages to the remote process over the communication channel Signed-off-by: Elena Ufimtseva Signed-off-by: Jagannathan Raman Signed-off-by: John G Johnson Reviewed-by: Stefan Hajnoczi Message-id: d3c94f4618813234655356c60e6f0d0362ff42d6.1611938319.git.jag.raman@oracle.com Signed-off-by: Stefan Hajnoczi --- hw/remote/mpqemu-link.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'hw/remote/mpqemu-link.c') diff --git a/hw/remote/mpqemu-link.c b/hw/remote/mpqemu-link.c index f5e9e01923..b45f325686 100644 --- a/hw/remote/mpqemu-link.c +++ b/hw/remote/mpqemu-link.c @@ -207,7 +207,7 @@ uint64_t mpqemu_msg_send_and_await_reply(MPQemuMsg *msg, PCIProxyDev *pdev, return ret; } - if (!mpqemu_msg_valid(&msg_reply)) { + if (!mpqemu_msg_valid(&msg_reply) || msg_reply.cmd != MPQEMU_CMD_RET) { error_setg(errp, "ERROR: Invalid reply received for command %d", msg->cmd); return ret; @@ -242,6 +242,12 @@ bool mpqemu_msg_valid(MPQemuMsg *msg) return false; } break; + case MPQEMU_CMD_PCI_CFGWRITE: + case MPQEMU_CMD_PCI_CFGREAD: + if (msg->size != sizeof(PciConfDataMsg)) { + return false; + } + break; default: break; } -- cgit v1.2.3-55-g7522