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[PULL 29/41] pci: drop redundant PCIDeviceClass::is_bridge field
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From: |
Michael S. Tsirkin |
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Subject: |
[PULL 29/41] pci: drop redundant PCIDeviceClass::is_bridge field |
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Date: |
Wed, 21 Dec 2022 08:06:03 -0500 |
From: Igor Mammedov <imammedo@redhat.com>
and use cast to TYPE_PCI_BRIDGE instead.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20221129101341.185621-3-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
---
include/hw/pci/pci.h | 10 +---------
include/hw/pci/pci_bridge.h | 1 +
hw/acpi/pcihp.c | 3 +--
hw/i386/acpi-build.c | 5 ++---
hw/pci-bridge/cxl_downstream.c | 1 -
hw/pci-bridge/cxl_upstream.c | 1 -
hw/pci-bridge/i82801b11.c | 1 -
hw/pci-bridge/pci_bridge_dev.c | 1 -
hw/pci-bridge/pcie_pci_bridge.c | 1 -
hw/pci-bridge/pcie_root_port.c | 1 -
hw/pci-bridge/simba.c | 1 -
hw/pci-bridge/xio3130_downstream.c | 1 -
hw/pci-bridge/xio3130_upstream.c | 1 -
hw/pci-host/designware.c | 1 -
hw/pci-host/xilinx-pcie.c | 1 -
hw/pci/pci.c | 20 +++++++++-----------
hw/ppc/spapr_pci.c | 15 +++++----------
17 files changed, 19 insertions(+), 46 deletions(-)
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 06e2d5f889..954f260f84 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -251,15 +251,7 @@ struct PCIDeviceClass {
uint16_t subsystem_vendor_id; /* only for header type = 0 */
uint16_t subsystem_id; /* only for header type = 0 */
- /*
- * pci-to-pci bridge or normal device.
- * This doesn't mean pci host switch.
- * When card bus bridge is supported, this would be enhanced.
- */
- bool is_bridge;
-
- /* rom bar */
- const char *romfile;
+ const char *romfile; /* rom bar */
};
typedef void (*PCIINTxRoutingNotifier)(PCIDevice *dev);
diff --git a/include/hw/pci/pci_bridge.h b/include/hw/pci/pci_bridge.h
index ba4bafac7c..ca6caf487e 100644
--- a/include/hw/pci/pci_bridge.h
+++ b/include/hw/pci/pci_bridge.h
@@ -53,6 +53,7 @@ struct PCIBridgeWindows {
#define TYPE_PCI_BRIDGE "base-pci-bridge"
OBJECT_DECLARE_SIMPLE_TYPE(PCIBridge, PCI_BRIDGE)
+#define IS_PCI_BRIDGE(dev) object_dynamic_cast(OBJECT(dev), TYPE_PCI_BRIDGE)
struct PCIBridge {
/*< private >*/
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index 84d75e6b84..99a898d9ae 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -186,7 +186,6 @@ static PCIBus *acpi_pcihp_find_hotplug_bus(AcpiPciHpState
*s, int bsel)
static bool acpi_pcihp_pc_no_hotplug(AcpiPciHpState *s, PCIDevice *dev)
{
- PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
DeviceClass *dc = DEVICE_GET_CLASS(dev);
/*
* ACPI doesn't allow hotplug of bridge devices. Don't allow
@@ -196,7 +195,7 @@ static bool acpi_pcihp_pc_no_hotplug(AcpiPciHpState *s,
PCIDevice *dev)
* Don't allow hot-unplug of SR-IOV Virtual Functions, as they
* will be removed implicitly, when Physical Function is unplugged.
*/
- return (pc->is_bridge && !dev->qdev.hotplugged) || !dc->hotpluggable ||
+ return (IS_PCI_BRIDGE(dev) && !dev->qdev.hotplugged) || !dc->hotpluggable
||
pci_is_vf(dev);
}
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index d9eaa5fc4d..aa15b11cde 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -403,7 +403,6 @@ static void build_append_pci_bus_devices(Aml *parent_scope,
PCIBus *bus,
for (devfn = 0; devfn < ARRAY_SIZE(bus->devices); devfn++) {
DeviceClass *dc;
- PCIDeviceClass *pc;
PCIDevice *pdev = bus->devices[devfn];
int slot = PCI_SLOT(devfn);
int func = PCI_FUNC(devfn);
@@ -414,14 +413,14 @@ static void build_append_pci_bus_devices(Aml
*parent_scope, PCIBus *bus,
bool cold_plugged_bridge = false;
if (pdev) {
- pc = PCI_DEVICE_GET_CLASS(pdev);
dc = DEVICE_GET_CLASS(pdev);
/*
* Cold plugged bridges aren't themselves hot-pluggable.
* Hotplugged bridges *are* hot-pluggable.
*/
- cold_plugged_bridge = pc->is_bridge && !DEVICE(pdev)->hotplugged;
+ cold_plugged_bridge = IS_PCI_BRIDGE(pdev) &&
+ !DEVICE(pdev)->hotplugged;
bridge_in_acpi = cold_plugged_bridge && pcihp_bridge_en;
hotpluggbale_slot = bsel && dc->hotpluggable &&
diff --git a/hw/pci-bridge/cxl_downstream.c b/hw/pci-bridge/cxl_downstream.c
index a361e519d0..3d4e6b59cd 100644
--- a/hw/pci-bridge/cxl_downstream.c
+++ b/hw/pci-bridge/cxl_downstream.c
@@ -217,7 +217,6 @@ static void cxl_dsp_class_init(ObjectClass *oc, void *data)
DeviceClass *dc = DEVICE_CLASS(oc);
PCIDeviceClass *k = PCI_DEVICE_CLASS(oc);
- k->is_bridge = true;
k->config_write = cxl_dsp_config_write;
k->realize = cxl_dsp_realize;
k->exit = cxl_dsp_exitfn;
diff --git a/hw/pci-bridge/cxl_upstream.c b/hw/pci-bridge/cxl_upstream.c
index 9b8b57df9d..9df436cb73 100644
--- a/hw/pci-bridge/cxl_upstream.c
+++ b/hw/pci-bridge/cxl_upstream.c
@@ -375,7 +375,6 @@ static void cxl_upstream_class_init(ObjectClass *oc, void
*data)
DeviceClass *dc = DEVICE_CLASS(oc);
PCIDeviceClass *k = PCI_DEVICE_CLASS(oc);
- k->is_bridge = true;
k->config_write = cxl_usp_write_config;
k->config_read = cxl_usp_read_config;
k->realize = cxl_usp_realize;
diff --git a/hw/pci-bridge/i82801b11.c b/hw/pci-bridge/i82801b11.c
index f28181e210..d9f224818b 100644
--- a/hw/pci-bridge/i82801b11.c
+++ b/hw/pci-bridge/i82801b11.c
@@ -92,7 +92,6 @@ static void i82801b11_bridge_class_init(ObjectClass *klass,
void *data)
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
DeviceClass *dc = DEVICE_CLASS(klass);
- k->is_bridge = true;
k->vendor_id = PCI_VENDOR_ID_INTEL;
k->device_id = PCI_DEVICE_ID_INTEL_82801BA_11;
k->revision = ICH9_D2P_A2_REVISION;
diff --git a/hw/pci-bridge/pci_bridge_dev.c b/hw/pci-bridge/pci_bridge_dev.c
index 657a06ddbe..3435df8d73 100644
--- a/hw/pci-bridge/pci_bridge_dev.c
+++ b/hw/pci-bridge/pci_bridge_dev.c
@@ -254,7 +254,6 @@ static void pci_bridge_dev_class_init(ObjectClass *klass,
void *data)
k->vendor_id = PCI_VENDOR_ID_REDHAT;
k->device_id = PCI_DEVICE_ID_REDHAT_BRIDGE;
k->class_id = PCI_CLASS_BRIDGE_PCI;
- k->is_bridge = true;
dc->desc = "Standard PCI Bridge";
dc->reset = qdev_pci_bridge_dev_reset;
device_class_set_props(dc, pci_bridge_dev_properties);
diff --git a/hw/pci-bridge/pcie_pci_bridge.c b/hw/pci-bridge/pcie_pci_bridge.c
index 1cd917a459..2301b2ca0b 100644
--- a/hw/pci-bridge/pcie_pci_bridge.c
+++ b/hw/pci-bridge/pcie_pci_bridge.c
@@ -145,7 +145,6 @@ static void pcie_pci_bridge_class_init(ObjectClass *klass,
void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(klass);
- k->is_bridge = true;
k->vendor_id = PCI_VENDOR_ID_REDHAT;
k->device_id = PCI_DEVICE_ID_REDHAT_PCIE_BRIDGE;
k->realize = pcie_pci_bridge_realize;
diff --git a/hw/pci-bridge/pcie_root_port.c b/hw/pci-bridge/pcie_root_port.c
index 36bc0bafa7..efd96bf174 100644
--- a/hw/pci-bridge/pcie_root_port.c
+++ b/hw/pci-bridge/pcie_root_port.c
@@ -174,7 +174,6 @@ static void rp_class_init(ObjectClass *klass, void *data)
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
ResettableClass *rc = RESETTABLE_CLASS(klass);
- k->is_bridge = true;
k->config_write = rp_write_config;
k->realize = rp_realize;
k->exit = rp_exit;
diff --git a/hw/pci-bridge/simba.c b/hw/pci-bridge/simba.c
index ba55ab1939..17aa0d7b21 100644
--- a/hw/pci-bridge/simba.c
+++ b/hw/pci-bridge/simba.c
@@ -77,7 +77,6 @@ static void simba_pci_bridge_class_init(ObjectClass *klass,
void *data)
k->device_id = PCI_DEVICE_ID_SUN_SIMBA;
k->revision = 0x11;
k->config_write = pci_bridge_write_config;
- k->is_bridge = true;
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
dc->reset = pci_bridge_reset;
dc->vmsd = &vmstate_pci_device;
diff --git a/hw/pci-bridge/xio3130_downstream.c
b/hw/pci-bridge/xio3130_downstream.c
index 05e2b06c0c..38a2361fa2 100644
--- a/hw/pci-bridge/xio3130_downstream.c
+++ b/hw/pci-bridge/xio3130_downstream.c
@@ -159,7 +159,6 @@ static void xio3130_downstream_class_init(ObjectClass
*klass, void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
- k->is_bridge = true;
k->config_write = xio3130_downstream_write_config;
k->realize = xio3130_downstream_realize;
k->exit = xio3130_downstream_exitfn;
diff --git a/hw/pci-bridge/xio3130_upstream.c b/hw/pci-bridge/xio3130_upstream.c
index 5ff46ef050..a48bfe3bc5 100644
--- a/hw/pci-bridge/xio3130_upstream.c
+++ b/hw/pci-bridge/xio3130_upstream.c
@@ -128,7 +128,6 @@ static void xio3130_upstream_class_init(ObjectClass *klass,
void *data)
DeviceClass *dc = DEVICE_CLASS(klass);
PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
- k->is_bridge = true;
k->config_write = xio3130_upstream_write_config;
k->realize = xio3130_upstream_realize;
k->exit = xio3130_upstream_exitfn;
diff --git a/hw/pci-host/designware.c b/hw/pci-host/designware.c
index bde3a343a2..9e183caa48 100644
--- a/hw/pci-host/designware.c
+++ b/hw/pci-host/designware.c
@@ -600,7 +600,6 @@ static void designware_pcie_root_class_init(ObjectClass
*klass, void *data)
k->device_id = 0xABCD;
k->revision = 0;
k->class_id = PCI_CLASS_BRIDGE_PCI;
- k->is_bridge = true;
k->exit = pci_bridge_exitfn;
k->realize = designware_pcie_root_realize;
k->config_read = designware_pcie_root_config_read;
diff --git a/hw/pci-host/xilinx-pcie.c b/hw/pci-host/xilinx-pcie.c
index 38d5901a45..c9ab7052f4 100644
--- a/hw/pci-host/xilinx-pcie.c
+++ b/hw/pci-host/xilinx-pcie.c
@@ -298,7 +298,6 @@ static void xilinx_pcie_root_class_init(ObjectClass *klass,
void *data)
k->device_id = 0x7021;
k->revision = 0;
k->class_id = PCI_CLASS_BRIDGE_HOST;
- k->is_bridge = true;
k->realize = xilinx_pcie_root_realize;
k->exit = pci_bridge_exitfn;
dc->reset = pci_bridge_reset;
diff --git a/hw/pci/pci.c b/hw/pci/pci.c
index c61348dca0..c55eb694fd 100644
--- a/hw/pci/pci.c
+++ b/hw/pci/pci.c
@@ -576,7 +576,7 @@ void pci_bus_range(PCIBus *bus, int *min_bus, int *max_bus)
for (i = 0; i < ARRAY_SIZE(bus->devices); ++i) {
PCIDevice *dev = bus->devices[i];
- if (dev && PCI_DEVICE_GET_CLASS(dev)->is_bridge) {
+ if (dev && IS_PCI_BRIDGE(dev)) {
*min_bus = MIN(*min_bus, dev->config[PCI_SECONDARY_BUS]);
*max_bus = MAX(*max_bus, dev->config[PCI_SUBORDINATE_BUS]);
}
@@ -592,7 +592,6 @@ static int get_pci_config_device(QEMUFile *f, void *pv,
size_t size,
const VMStateField *field)
{
PCIDevice *s = container_of(pv, PCIDevice, config);
- PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(s);
uint8_t *config;
int i;
@@ -614,9 +613,8 @@ static int get_pci_config_device(QEMUFile *f, void *pv,
size_t size,
memcpy(s->config, config, size);
pci_update_mappings(s);
- if (pc->is_bridge) {
- PCIBridge *b = PCI_BRIDGE(s);
- pci_bridge_update_mappings(b);
+ if (IS_PCI_BRIDGE(s)) {
+ pci_bridge_update_mappings(PCI_BRIDGE(s));
}
memory_region_set_enabled(&s->bus_master_enable_region,
@@ -1090,9 +1088,10 @@ static PCIDevice *do_pci_register_device(PCIDevice
*pci_dev,
Error *local_err = NULL;
DeviceState *dev = DEVICE(pci_dev);
PCIBus *bus = pci_get_bus(pci_dev);
+ bool is_bridge = IS_PCI_BRIDGE(pci_dev);
/* Only pci bridges can be attached to extra PCI root buses */
- if (pci_bus_is_root(bus) && bus->parent_dev && !pc->is_bridge) {
+ if (pci_bus_is_root(bus) && bus->parent_dev && !is_bridge) {
error_setg(errp,
"PCI: Only PCI/PCIe bridges can be plugged into %s",
bus->parent_dev->name);
@@ -1154,7 +1153,7 @@ static PCIDevice *do_pci_register_device(PCIDevice
*pci_dev,
pci_config_set_revision(pci_dev->config, pc->revision);
pci_config_set_class(pci_dev->config, pc->class_id);
- if (!pc->is_bridge) {
+ if (!is_bridge) {
if (pc->subsystem_vendor_id || pc->subsystem_id) {
pci_set_word(pci_dev->config + PCI_SUBSYSTEM_VENDOR_ID,
pc->subsystem_vendor_id);
@@ -1171,7 +1170,7 @@ static PCIDevice *do_pci_register_device(PCIDevice
*pci_dev,
pci_init_cmask(pci_dev);
pci_init_wmask(pci_dev);
pci_init_w1cmask(pci_dev);
- if (pc->is_bridge) {
+ if (is_bridge) {
pci_init_mask_bridge(pci_dev);
}
pci_init_multifunction(bus, pci_dev, &local_err);
@@ -2094,7 +2093,7 @@ static bool pci_root_bus_in_range(PCIBus *bus, int
bus_num)
for (i = 0; i < ARRAY_SIZE(bus->devices); ++i) {
PCIDevice *dev = bus->devices[i];
- if (dev && PCI_DEVICE_GET_CLASS(dev)->is_bridge) {
+ if (dev && IS_PCI_BRIDGE(dev)) {
if (pci_secondary_bus_in_range(dev, bus_num)) {
return true;
}
@@ -2839,7 +2838,6 @@ void pci_setup_iommu(PCIBus *bus, PCIIOMMUFunc fn, void
*opaque)
static void pci_dev_get_w64(PCIBus *b, PCIDevice *dev, void *opaque)
{
Range *range = opaque;
- PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
uint16_t cmd = pci_get_word(dev->config + PCI_COMMAND);
int i;
@@ -2847,7 +2845,7 @@ static void pci_dev_get_w64(PCIBus *b, PCIDevice *dev,
void *opaque)
return;
}
- if (pc->is_bridge) {
+ if (IS_PCI_BRIDGE(dev)) {
pcibus_t base = pci_bridge_get_base(dev,
PCI_BASE_ADDRESS_MEM_PREFETCH);
pcibus_t limit = pci_bridge_get_limit(dev,
PCI_BASE_ADDRESS_MEM_PREFETCH);
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 7b7618d5da..75aacda65a 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -1361,7 +1361,6 @@ static int spapr_dt_pci_device(SpaprPhbState *sphb,
PCIDevice *dev,
{
int offset;
g_autofree gchar *nodename = spapr_pci_fw_dev_name(dev);
- PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
ResourceProps rp;
SpaprDrc *drc = drc_from_dev(sphb, dev);
uint32_t vendor_id = pci_default_read_config(dev, PCI_VENDOR_ID, 2);
@@ -1446,7 +1445,7 @@ static int spapr_dt_pci_device(SpaprPhbState *sphb,
PCIDevice *dev,
spapr_phb_nvgpu_populate_pcidev_dt(dev, fdt, offset, sphb);
- if (!pc->is_bridge) {
+ if (!IS_PCI_BRIDGE(dev)) {
/* Properties only for non-bridges */
uint32_t min_grant = pci_default_read_config(dev, PCI_MIN_GNT, 1);
uint32_t max_latency = pci_default_read_config(dev, PCI_MAX_LAT, 1);
@@ -1544,7 +1543,6 @@ static void spapr_pci_pre_plug(HotplugHandler
*plug_handler,
{
SpaprPhbState *phb = SPAPR_PCI_HOST_BRIDGE(DEVICE(plug_handler));
PCIDevice *pdev = PCI_DEVICE(plugged_dev);
- PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(plugged_dev);
SpaprDrc *drc = drc_from_dev(phb, pdev);
PCIBus *bus = PCI_BUS(qdev_get_parent_bus(DEVICE(pdev)));
uint32_t slotnr = PCI_SLOT(pdev->devfn);
@@ -1560,7 +1558,7 @@ static void spapr_pci_pre_plug(HotplugHandler
*plug_handler,
}
}
- if (pc->is_bridge) {
+ if (IS_PCI_BRIDGE(plugged_dev)) {
if (!bridge_has_valid_chassis_nr(OBJECT(plugged_dev), errp)) {
return;
}
@@ -1589,7 +1587,6 @@ static void spapr_pci_plug(HotplugHandler *plug_handler,
{
SpaprPhbState *phb = SPAPR_PCI_HOST_BRIDGE(DEVICE(plug_handler));
PCIDevice *pdev = PCI_DEVICE(plugged_dev);
- PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(plugged_dev);
SpaprDrc *drc = drc_from_dev(phb, pdev);
uint32_t slotnr = PCI_SLOT(pdev->devfn);
@@ -1603,7 +1600,7 @@ static void spapr_pci_plug(HotplugHandler *plug_handler,
g_assert(drc);
- if (pc->is_bridge) {
+ if (IS_PCI_BRIDGE(plugged_dev)) {
spapr_pci_bridge_plug(phb, PCI_BRIDGE(plugged_dev));
}
@@ -1646,7 +1643,6 @@ static void spapr_pci_bridge_unplug(SpaprPhbState *phb,
static void spapr_pci_unplug(HotplugHandler *plug_handler,
DeviceState *plugged_dev, Error **errp)
{
- PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(plugged_dev);
SpaprPhbState *phb = SPAPR_PCI_HOST_BRIDGE(DEVICE(plug_handler));
/* some version guests do not wait for completion of a device
@@ -1661,7 +1657,7 @@ static void spapr_pci_unplug(HotplugHandler *plug_handler,
*/
pci_device_reset(PCI_DEVICE(plugged_dev));
- if (pc->is_bridge) {
+ if (IS_PCI_BRIDGE(plugged_dev)) {
spapr_pci_bridge_unplug(phb, PCI_BRIDGE(plugged_dev));
return;
}
@@ -1686,7 +1682,6 @@ static void spapr_pci_unplug_request(HotplugHandler
*plug_handler,
g_assert(drc->dev == plugged_dev);
if (!spapr_drc_unplug_requested(drc)) {
- PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(plugged_dev);
uint32_t slotnr = PCI_SLOT(pdev->devfn);
SpaprDrc *func_drc;
SpaprDrcClass *func_drck;
@@ -1694,7 +1689,7 @@ static void spapr_pci_unplug_request(HotplugHandler
*plug_handler,
int i;
uint8_t chassis = chassis_from_bus(pci_get_bus(pdev));
- if (pc->is_bridge) {
+ if (IS_PCI_BRIDGE(plugged_dev)) {
error_setg(errp, "PCI: Hot unplug of PCI bridges not supported");
return;
}
--
MST
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- [PULL 29/41] pci: drop redundant PCIDeviceClass::is_bridge field,
Michael S. Tsirkin <=