65 lines
2.0 KiB
C++
65 lines
2.0 KiB
C++
#include "denali_server.h"
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#include <glacier/memory/move.h>
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#include <glacier/status/error.h>
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#include <mammoth/util/debug.h>
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#include <zcall.h>
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glcr::ErrorOr<glcr::UniquePtr<DenaliServer>> DenaliServer::Create(
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AhciDriver& driver) {
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z_cap_t cap;
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RET_ERR(ZEndpointCreate(&cap));
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return glcr::UniquePtr<DenaliServer>(new DenaliServer(cap, driver));
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}
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glcr::Status DenaliServer::HandleRead(const ReadRequest& req,
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ReadResponse& resp) {
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ASSIGN_OR_RETURN(AhciDevice * device, driver_.GetDevice(req.device_id()));
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uint64_t paddr;
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mmth::OwnedMemoryRegion region =
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mmth::OwnedMemoryRegion::ContiguousPhysical(req.size() * 512, &paddr);
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DmaReadCommand command(req.lba(), req.size(), paddr);
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device->IssueCommand(&command);
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command.WaitComplete();
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resp.set_device_id(req.device_id());
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resp.set_size(req.size());
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resp.set_memory(region.DuplicateCap());
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return glcr::Status::Ok();
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}
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glcr::Status DenaliServer::HandleReadMany(const ReadManyRequest& req,
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ReadResponse& resp) {
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ASSIGN_OR_RETURN(AhciDevice * device, driver_.GetDevice(req.device_id()));
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if (req.lba().size() != req.sector_cnt().size()) {
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return glcr::InvalidArgument("LBA and Sector Cnt must be the same length.");
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}
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uint64_t sector_cnt = 0;
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for (uint64_t i = 0; i < req.sector_cnt().size(); i++) {
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sector_cnt += req.sector_cnt().at(i);
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}
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uint64_t region_paddr;
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mmth::OwnedMemoryRegion region = mmth::OwnedMemoryRegion::ContiguousPhysical(
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sector_cnt * 512, ®ion_paddr);
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for (uint64_t i = 0; i < req.lba().size(); i++) {
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uint64_t lba = req.lba().at(i);
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uint64_t size = req.sector_cnt().at(i);
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DmaReadCommand command(lba, size, region_paddr);
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device->IssueCommand(&command);
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command.WaitComplete();
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region_paddr += size * 512;
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}
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resp.set_device_id(req.device_id());
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resp.set_size(sector_cnt);
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resp.set_memory(region.DuplicateCap());
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return glcr::Status::Ok();
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}
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