Mirrors/VILLASnode
1
0
Fork 0
mirror of https://git.rwth-aachen.de/acs/public/villas/node/ synced 2025-03-09 00:00:00 +01:00
Code Issues Releases Wiki Activity

implement iommu_group

Browse source 
Signed-off-by: Pascal Bauer <pascal.bauer@rwth-aachen.de>
This commit is contained in:
Pascal Bauer 2024-08-23 20:41:31 +02:00 • committed by Niklas Eiling
parent c4d414c2af
commit d43caed903
2 changed files with 4 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
common/include/villas/kernel/devices/pci_device.hpp
View file

@ -72,12 +72,11 @@ public:
// Implement device interface
std::optional<std::unique_ptr<Driver>> driver() const override;
std::optional<int> iommu_group() const override;
// Bind a new LKM to the PCI device
bool attachDriver(const std::string &driver) const;
// Return the IOMMU group of this PCI device or -1 if the device is not in a group
int getIommuGroup() const;
std::list<Region> getRegions() const;

6
common/lib/kernel/devices/pci_device.cpp
View file

@ -425,7 +425,7 @@ void PciDevice::writeBar(uint32_t addr, unsigned barNum) {
file.write(reinterpret_cast<char *>(&addr), sizeof(addr));
}
int PciDevice::getIommuGroup() const {
std::optional<int> PciDevice::iommu_group() const {
int ret;
char *group;
@ -439,11 +439,11 @@ int PciDevice::getIommuGroup() const {
ret = readlink(sysfs, link, sizeof(link));
if (ret < 0)
return -1;
return std::nullopt;
group = basename(link);
return atoi(group);
return std::make_optional(atoi(group));
}
std::fstream PciDevice::openSysFs(const std::string &subPath,