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[Qemu-devel] [PATCH 3/3] ioh3420: Support ARI forwarding
From: |
Knut Omang |
Subject: |
[Qemu-devel] [PATCH 3/3] ioh3420: Support ARI forwarding |
Date: |
Wed, 20 Aug 2014 08:53:30 +0200 |
Enable the PCIe capability bit that indicates that this port is able to support
and forward requests to > 8 functions for ARI capable devices.
Signed-off-by: Knut Omang <address@hidden>
---
hw/pci-bridge/ioh3420.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/hw/pci-bridge/ioh3420.c b/hw/pci-bridge/ioh3420.c
index 8f6c8b0..c14ea6b 100644
--- a/hw/pci-bridge/ioh3420.c
+++ b/hw/pci-bridge/ioh3420.c
@@ -92,8 +92,10 @@ static void ioh3420_reset(DeviceState *qdev)
static int ioh3420_initfn(PCIDevice *d)
{
+ PCIBridge* br = PCI_BRIDGE(d);
PCIEPort *p = PCIE_PORT(d);
PCIESlot *s = PCIE_SLOT(d);
+ uint8_t *exp_cap;
int rc;
char tmp[100];
sprintf(tmp, "pcie_port.%d", s->slot);
@@ -121,6 +123,10 @@ static int ioh3420_initfn(PCIDevice *d)
if (rc < 0) {
goto err_msi;
}
+ /* Support ARI forwarding */
+ exp_cap = d->config + d->exp.exp_cap;
+ pci_word_test_and_set_mask(exp_cap + PCI_EXP_DEVCAP2, PCI_EXP_DEVCAP2_ARI);
+
pcie_cap_deverr_init(d);
pcie_cap_slot_init(d, s->slot);
pcie_chassis_create(s->chassis);
@@ -151,6 +157,7 @@ err_bridge:
static void ioh3420_exitfn(PCIDevice *d)
{
PCIESlot *s = PCIE_SLOT(d);
+ PCIBridge* br = PCI_BRIDGE(d);
pcie_aer_exit(d);
pcie_chassis_del_slot(s);
--
1.9.0
- [Qemu-devel] [PATCH 3/3] ioh3420: Support ARI forwarding,
Knut Omang <=