64 lines
1.8 KiB
C++
64 lines
1.8 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/debug.h>
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#include <zcall.h>
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namespace {
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DenaliServer* gServer = nullptr;
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void HandleResponse(ResponseContext& response, uint64_t lba, uint64_t size,
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z_cap_t mem) {
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gServer->HandleResponse(response, lba, size, mem);
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}
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} // namespace
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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::ErrorCode DenaliServer::HandleRequest(RequestContext& request,
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ResponseContext& response) {
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switch (request.request_id()) {
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case DENALI_READ: {
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DenaliReadRequest* req = 0;
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glcr::ErrorCode err = request.As<DenaliReadRequest>(&req);
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if (err != glcr::OK) {
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response.WriteError(err);
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}
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err = HandleRead(req, response);
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if (err != glcr::OK) {
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response.WriteError(err);
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}
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break;
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}
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default:
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response.WriteError(glcr::UNIMPLEMENTED);
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break;
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}
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return glcr::OK;
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}
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glcr::ErrorCode DenaliServer::HandleRead(DenaliReadRequest* request,
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ResponseContext& context) {
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ASSIGN_OR_RETURN(AhciDevice * device, driver_.GetDevice(request->device_id));
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device->IssueCommand(new DmaReadCommand(request->lba, request->size,
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::HandleResponse, context));
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return glcr::OK;
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}
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void DenaliServer::HandleResponse(ResponseContext& response, uint64_t lba,
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uint64_t size, z_cap_t mem) {
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DenaliReadResponse resp{
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.device_id = 0,
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.lba = lba,
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.size = size,
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};
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check(response.WriteStructWithCap<DenaliReadResponse>(resp, mem));
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}
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