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[Denali] Add a simpler command method and use it to send identify.

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This commit is contained in:
Drew Galbraith 2023-12-08 15:05:43 -08:00
parent e71017070f
commit 3e1da2bc90
4 changed files with 76 additions and 48 deletions
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22
sys/denali/ahci/command.h
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@ -8,6 +8,13 @@
class AhciPort;
struct CommandInfo {
uint8_t command;
uint64_t lba;
uint16_t sectors;
uint64_t paddr;
};
class Command {
public:
Command() = default;
@ -16,21 +23,6 @@ class Command {
virtual void PopulatePrdt(PhysicalRegionDescriptor* prdt) const = 0;
};
class IdentifyDeviceCommand : public Command {
public:
IdentifyDeviceCommand(AhciPort* port) : port_(port) {}
virtual void PopulateFis(uint8_t* command_fis) const override;
virtual void PopulatePrdt(PhysicalRegionDescriptor* prdt) const override;
void OnComplete();
private:
AhciPort* port_;
uint64_t paddr_;
mmth::OwnedMemoryRegion identify_ =
mmth::OwnedMemoryRegion::ContiguousPhysical(0x200, &paddr_);
};
class DmaReadCommand : public Command {
public:
DmaReadCommand(uint64_t lba, uint64_t sector_cnt, uint64_t dest_paddr);