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Publish PCI devices in sysfs

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This commit is contained in:
Baptiste Wicht 2016-07-03 18:59:22 +02:00
parent aa8a6ffb23
commit dbffaf89dd
1 changed files with 11 additions and 2 deletions
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13
kernel/src/pci.cpp
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@ -9,6 +9,8 @@
#include "kernel_utils.hpp" #include "kernel_utils.hpp"
#include "logging.hpp" #include "logging.hpp"
#include "fs/sysfs.hpp"
namespace { namespace {
std::vector<pci::device_descriptor> devices; std::vector<pci::device_descriptor> devices;
@ -74,6 +76,9 @@ std::vector<pci::device_descriptor> devices;
auto class_code = get_class_code(bus, device, function); auto class_code = get_class_code(bus, device, function);
auto sub_class = get_subclass(bus, device, function); auto sub_class = get_subclass(bus, device, function);
logging::logf(logging::log_level::DEBUG, "Found device pci:%u:%u:%u (vendor:%u class:%u subclass:%u) \n",
uint64_t(bus), uint64_t(device), uint64_t(function), uint64_t(vendor_id), uint64_t(class_code), uint64_t(sub_class));
devices.emplace_back(); devices.emplace_back();
pci::device_descriptor& device_desc = devices.back(); pci::device_descriptor& device_desc = devices.back();
@ -94,8 +99,12 @@ std::vector<pci::device_descriptor> devices;
device_desc.class_type = pci::device_class_type::UNKNOWN; device_desc.class_type = pci::device_class_type::UNKNOWN;
} }
logging::logf(logging::log_level::DEBUG, "Found device pci:%u:%u:%u (vendor:%u class:%u subclass:%u) \n", std::string path = "/pci/pci:" + std::to_string(bus) + ':' + std::to_string(device) + ':' + std::to_string(function);
uint64_t(bus), uint64_t(device), uint64_t(function), uint64_t(vendor_id), uint64_t(class_code), uint64_t(sub_class));
sysfs::set_constant_value("/sys/", path + "/vendor", std::to_string(vendor_id));
sysfs::set_constant_value("/sys/", path + "/device", std::to_string(device_id));
sysfs::set_constant_value("/sys/", path + "/class", std::to_string(class_code));
sysfs::set_constant_value("/sys/", path + "/subclass", std::to_string(sub_class));
} }
void check_device(uint8_t bus, uint8_t device) { void check_device(uint8_t bus, uint8_t device) {