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[Denali] Move AHCI read to internal method as well.

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This commit is contained in:
Drew Galbraith 2023-12-08 15:11:56 -08:00
parent 3e1da2bc90
commit 69ce3028fa
6 changed files with 19 additions and 117 deletions
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33
sys/denali/ahci/ahci_port.cpp
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@ -63,29 +63,16 @@ glcr::ErrorCode AhciPort::Identify() {
return glcr::OK;
}
glcr::ErrorOr<mmth::Semaphore*> AhciPort::IssueCommand(const Command& command) {
uint64_t slot;
for (slot = 0; slot < 32; slot++) {
if (!(commands_issued_ & (1 << slot))) {
break;
}
}
if (slot == 32) {
dbgln("All slots full");
return glcr::INTERNAL;
}
command.PopulateFis(command_tables_[slot].command_fis);
command.PopulatePrdt(command_tables_[slot].prdt);
command_list_->command_headers[slot].command =
(sizeof(HostToDeviceRegisterFis) / 2) & 0x1F | (1 << 7);
command_list_->command_headers[slot].prd_table_length = 1;
command_list_->command_headers[slot].prd_byte_count = 0;
commands_issued_ |= (1 << slot);
port_struct_->command_issue |= (1 << slot);
return &command_signals_[slot];
glcr::ErrorOr<mmth::Semaphore*> AhciPort::IssueRead(uint64_t lba,
uint16_t sector_cnt,
uint64_t paddr) {
CommandInfo read{
.command = kDmaReadExt,
.lba = lba,
.sectors = sector_cnt,
.paddr = paddr,
};
return IssueCommand(read);
}
glcr::ErrorOr<mmth::Semaphore*> AhciPort::IssueCommand(