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hw/pci: Rename has_power to enabled

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The renamed state will not only represent powering state of PFs, but
also represent SR-IOV VF enablement in the future.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250109-reuse-v19-1-f541e82ca5f7@daynix.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Akihiko Odaki 2025-01-09 15:29:46 +09:00 • committed by Philippe Mathieu-Daudé
parent b7700c9fb1
commit c407eef162
4 changed files with 15 additions and 9 deletions
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17
hw/pci/pci.c
View file

@ -1598,7 +1598,7 @@ static void pci_update_mappings(PCIDevice *d)
continue;
new_addr = pci_bar_address(d, i, r->type, r->size);
if (!d->has_power) {
if (!d->enabled) {
new_addr = PCI_BAR_UNMAPPED;
}
@ -1686,7 +1686,7 @@ void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val_in, int
pci_update_irq_disabled(d, was_irq_disabled);
memory_region_set_enabled(&d->bus_master_enable_region,
(pci_get_word(d->config + PCI_COMMAND)
& PCI_COMMAND_MASTER) && d->has_power);
& PCI_COMMAND_MASTER) && d->enabled);
}
msi_write_config(d, addr, val_in, l);
@ -2963,16 +2963,21 @@ MSIMessage pci_get_msi_message(PCIDevice *dev, int vector)
void pci_set_power(PCIDevice *d, bool state)
{
if (d->has_power == state) {
pci_set_enabled(d, state);
}
void pci_set_enabled(PCIDevice *d, bool state)
{
if (d->enabled == state) {
return;
}
d->has_power = state;
d->enabled = state;
pci_update_mappings(d);
memory_region_set_enabled(&d->bus_master_enable_region,
(pci_get_word(d->config + PCI_COMMAND)
& PCI_COMMAND_MASTER) && d->has_power);
if (!d->has_power) {
& PCI_COMMAND_MASTER) && d->enabled);
if (!d->enabled) {
pci_device_reset(d);
}
}

4
hw/pci/pci_host.c
View file

@ -86,7 +86,7 @@ void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr,
* allowing direct removal of unexposed functions.
*/
if ((pci_dev->qdev.hotplugged && !pci_get_function_0(pci_dev)) ||
!pci_dev->has_power || is_pci_dev_ejected(pci_dev)) {
!pci_dev->enabled || is_pci_dev_ejected(pci_dev)) {
return;
}
@ -111,7 +111,7 @@ uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr,
* allowing direct removal of unexposed functions.
*/
if ((pci_dev->qdev.hotplugged && !pci_get_function_0(pci_dev)) ||
!pci_dev->has_power || is_pci_dev_ejected(pci_dev)) {
!pci_dev->enabled || is_pci_dev_ejected(pci_dev)) {
return ~0x0;
}

1
include/hw/pci/pci.h
View file

@ -674,6 +674,7 @@ static inline void pci_irq_deassert(PCIDevice *pci_dev)
}
MSIMessage pci_get_msi_message(PCIDevice *dev, int vector);
void pci_set_enabled(PCIDevice *pci_dev, bool state);
void pci_set_power(PCIDevice *pci_dev, bool state);
#endif

2
include/hw/pci/pci_device.h
View file

@ -57,7 +57,7 @@ typedef struct PCIReqIDCache PCIReqIDCache;
struct PCIDevice {
DeviceState qdev;
bool partially_hotplugged;
bool has_power;
bool enabled;
/* PCI config space */
uint8_t *config;