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[Denali] Reset AHCI controller when starting denali.

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This commit is contained in:
Drew Galbraith 2023-12-07 22:33:29 -08:00
parent 8adde27d9b
commit c530921bda
8 changed files with 92 additions and 62 deletions
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47
sys/denali/ahci/ahci_controller.h Normal file
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#pragma once
#include <glacier/memory/unique_ptr.h>
#include <glacier/status/error_or.h>
#include <mammoth/proc/thread.h>
#include <ztypes.h>
#include "ahci/ahci.h"
#include "ahci/ahci_device.h"
class AhciController {
public:
static glcr::ErrorOr<glcr::UniquePtr<AhciController>> Init(
mmth::OwnedMemoryRegion&& ahci_phys);
glcr::ErrorCode RegisterIrq();
void InterruptLoop();
glcr::ErrorOr<AhciDevice*> GetDevice(uint64_t id);
void DumpCapabilities();
void DumpPorts();
private:
mmth::OwnedMemoryRegion pci_region_;
PciDeviceHeader* pci_device_header_ = nullptr;
mmth::OwnedMemoryRegion ahci_region_;
volatile AhciHba* ahci_hba_ = nullptr;
glcr::UniquePtr<AhciDevice> devices_[32];
Thread irq_thread_;
uint64_t irq_port_cap_ = 0;
uint8_t num_ports_;
uint8_t num_commands_;
glcr::ErrorCode LoadCapabilities();
glcr::ErrorCode LoadHbaRegisters();
glcr::ErrorCode ResetHba();
glcr::ErrorCode LoadDevices();
AhciController(mmth::OwnedMemoryRegion&& pci_region)
: pci_region_(glcr::Move(pci_region)),
pci_device_header_(
reinterpret_cast<PciDeviceHeader*>(pci_region_.vaddr())) {}
};