virtio/backends/pci_legacy.cpp

16 void PciLegacyBackend::IoReadLocked(uint16_t offset, uint8_t* val) TA_REQ(lock_) {
17     *val = inp(static_cast<uint16_t>(bar0_base_ + offset));
18     zxlogf(SPEW, "%s: IoReadLocked8(%#x) = %#x\n", tag(), offset, *val);
20 void PciLegacyBackend::IoReadLocked(uint16_t offset, uint16_t* val) TA_REQ(lock_) {
21     *val = inpw(static_cast<uint16_t>(bar0_base_ + offset));
22     zxlogf(SPEW, "%s: IoReadLocked16(%#x) = %#x\n", tag(), offset, *val);
24 void PciLegacyBackend::IoReadLocked(uint16_t offset, uint32_t* val) TA_REQ(lock_) {
25     *val = inpd(static_cast<uint16_t>(bar0_base_ + offset));
26     zxlogf(SPEW, "%s: IoReadLocked32(%#x) = %#x\n", tag(), offset, *val);
28 void PciLegacyBackend::IoWriteLocked(uint16_t offset, uint8_t val) TA_REQ(lock_) {
29     outp(static_cast<uint16_t>(bar0_base_ + offset), val);
30     zxlogf(SPEW, "%s: IoWriteLocked8(%#x) = %#x\n", tag(), offset, val);
32 void PciLegacyBackend::IoWriteLocked(uint16_t offset, uint16_t val) TA_REQ(lock_) {
33     outpw(static_cast<uint16_t>(bar0_base_ + offset), val);
34     zxlogf(SPEW, "%s: IoWriteLocked16(%#x) = %#x\n", tag(), offset, val);
36 void PciLegacyBackend::IoWriteLocked(uint16_t offset, uint32_t val) TA_REQ(lock_) {
37     outpd(static_cast<uint16_t>(bar0_base_ + offset), val);
38     zxlogf(SPEW, "%s: IoWriteLocked32(%#x) = %#x\n", tag(), offset, val);
56     // the extra two fields here that offset the device config.
72 void PciLegacyBackend::DeviceConfigRead(uint16_t offset, uint8_t* value) {
74     IoReadLocked(static_cast<uint16_t>(device_cfg_offset_ + offset), value);
77 void PciLegacyBackend::DeviceConfigRead(uint16_t offset, uint16_t* value) {
79     IoReadLocked(static_cast<uint16_t>(device_cfg_offset_ + offset), value);
82 void PciLegacyBackend::DeviceConfigRead(uint16_t offset, uint32_t* value) {
84     IoReadLocked(static_cast<uint16_t>(device_cfg_offset_ + offset), value);
87 void PciLegacyBackend::DeviceConfigRead(uint16_t offset, uint64_t* value) {
91     IoReadLocked(static_cast<uint16_t>(device_cfg_offset_ + offset), &val[0]);
92     IoReadLocked(static_cast<uint16_t>(device_cfg_offset_ + offset + sizeof(uint32_t)), &val[1]);
95 void PciLegacyBackend::DeviceConfigWrite(uint16_t offset, uint8_t value) {
97     IoWriteLocked(static_cast<uint16_t>(device_cfg_offset_ + offset), value);
100 void PciLegacyBackend::DeviceConfigWrite(uint16_t offset, uint16_t value) {
102     IoWriteLocked(static_cast<uint16_t>(device_cfg_offset_ + offset), value);
105 void PciLegacyBackend::DeviceConfigWrite(uint16_t offset, uint32_t value) {
107     IoWriteLocked(static_cast<uint16_t>(device_cfg_offset_ + offset), value);
109 void PciLegacyBackend::DeviceConfigWrite(uint16_t offset, uint64_t value) {
112     IoWriteLocked(static_cast<uint16_t>(device_cfg_offset_ + offset), words[0]);
113     IoWriteLocked(static_cast<uint16_t>(device_cfg_offset_ + offset + sizeof(uint32_t)), words[1]);