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[Qemu-devel] [PATCH] target-i386: add q35 0xcf8 port as coalesced_pio
From: |
Peng Hao |
Subject: |
[Qemu-devel] [PATCH] target-i386: add q35 0xcf8 port as coalesced_pio |
Date: |
Wed, 5 Sep 2018 01:04:36 +0800 |
after coalesced pio series patches, the patch is a supplement to
q35 pci-host config port.
Signed-off-by: Peng Hao <address@hidden>
---
hw/pci-host/q35.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/hw/pci-host/q35.c b/hw/pci-host/q35.c
index 02f9576..8ce1e09 100644
--- a/hw/pci-host/q35.c
+++ b/hw/pci-host/q35.c
@@ -51,6 +51,10 @@ static void q35_host_realize(DeviceState *dev, Error **errp)
sysbus_add_io(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, &pci->data_mem);
sysbus_init_ioports(sbd, MCH_HOST_BRIDGE_CONFIG_DATA, 4);
+ /* register q35 0xcf8 port as coalesced pio */
+ memory_region_set_flush_coalesced(&pci->data_mem);
+ memory_region_add_coalescing(&pci->conf_mem, 0, 4);
+
pci->bus = pci_root_bus_new(DEVICE(s), "pcie.0",
s->mch.pci_address_space,
s->mch.address_space_io,
--
1.8.3.1
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