haraldwolff/qemu-patch-raspberry4
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pcie: Rename the pcie_cap_ari_* functions to pcie_cap_arifwd_*

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Rename helper functions to make a clearer distinction between
the PCIe capability/control register feature ARI forwarding and a
device that supports the ARI feature via an ARI extended PCIe capability.

Signed-off-by: Knut Omang <knut.omang@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Knut Omang 2014-08-24 15:32:18 +02:00 committed by Michael S. Tsirkin
parent ec70b46bab
commit 821be9dbb2
4 changed files with 13 additions and 10 deletions
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1
hw/pci-bridge/ioh3420.c
View file

@ -118,6 +118,7 @@ static int ioh3420_initfn(PCIDevice *d)
if (rc < 0) {
goto err_msi;
}
pcie_cap_deverr_init(d);
pcie_cap_slot_init(d, s->slot);
pcie_chassis_create(s->chassis);

4
hw/pci-bridge/xio3130_downstream.c
View file

@ -50,7 +50,7 @@ static void xio3130_downstream_reset(DeviceState *qdev)
pcie_cap_deverr_reset(d);
pcie_cap_slot_reset(d);
pcie_cap_ari_reset(d);
pcie_cap_arifwd_reset(d);
pci_bridge_reset(qdev);
}
@ -91,7 +91,7 @@ static int xio3130_downstream_initfn(PCIDevice *d)
if (rc < 0) {
goto err_pcie_cap;
}
pcie_cap_ari_init(d);
pcie_cap_arifwd_init(d);
rc = pcie_aer_init(d, XIO3130_AER_OFFSET);
if (rc < 0) {
goto err;

11
hw/pci/pcie.c
View file

@ -497,9 +497,10 @@ void pcie_cap_flr_write_config(PCIDevice *dev,
}
}
/* Alternative Routing-ID Interpretation (ARI) */
/* ari forwarding support for down stream port */
void pcie_cap_ari_init(PCIDevice *dev)
/* Alternative Routing-ID Interpretation (ARI)
* forwarding support for root and downstream ports
*/
void pcie_cap_arifwd_init(PCIDevice *dev)
{
uint32_t pos = dev->exp.exp_cap;
pci_long_test_and_set_mask(dev->config + pos + PCI_EXP_DEVCAP2,
@ -508,13 +509,13 @@ void pcie_cap_ari_init(PCIDevice *dev)
PCI_EXP_DEVCTL2_ARI);
}
void pcie_cap_ari_reset(PCIDevice *dev)
void pcie_cap_arifwd_reset(PCIDevice *dev)
{
uint8_t *devctl2 = dev->config + dev->exp.exp_cap + PCI_EXP_DEVCTL2;
pci_long_test_and_clear_mask(devctl2, PCI_EXP_DEVCTL2_ARI);
}
bool pcie_cap_is_ari_enabled(const PCIDevice *dev)
bool pcie_cap_is_arifwd_enabled(const PCIDevice *dev)
{
if (!pci_is_express(dev)) {
return false;

7
include/hw/pci/pcie.h
View file

@ -103,9 +103,10 @@ void pcie_cap_flr_init(PCIDevice *dev);
void pcie_cap_flr_write_config(PCIDevice *dev,
uint32_t addr, uint32_t val, int len);
void pcie_cap_ari_init(PCIDevice *dev);
void pcie_cap_ari_reset(PCIDevice *dev);
bool pcie_cap_is_ari_enabled(const PCIDevice *dev);
/* ARI forwarding capability and control */
void pcie_cap_arifwd_init(PCIDevice *dev);
void pcie_cap_arifwd_reset(PCIDevice *dev);
bool pcie_cap_is_arifwd_enabled(const PCIDevice *dev);
/* PCI express extended capability helper functions */
uint16_t pcie_find_capability(PCIDevice *dev, uint16_t cap_id);