Method IdentifyController

Kernel/src/storage/nvme.cpp:169–195

    }

    long Controller::IdentifyController(){
        //if(!controllerIdentityPhys){
            controllerIdentityPhys = Memory::AllocatePhysicalMemoryBlock();
            controllerIdentity = reinterpret_cast<ControllerIdentity*>(Memory::KernelAllocate4KPages(1));
            Memory::KernelMapVirtualMemory4K(controllerIdentityPhys, (uintptr_t)controllerIdentity, 1);
        //}

        NVMeCommand identifyCommand;
        memset(&identifyCommand, 0, sizeof(NVMeCommand));

        identifyCommand.opcode = AdminCmdIdentify;
        identifyCommand.prp1 = controllerIdentityPhys;

        identifyCommand.identify.cns = NVMeIdentifyCommand::CNSController;

        NVMeCompletion completion;
        adminQueue.SubmitWait(identifyCommand, completion);

        if(completion.status > 0){
            IF_DEBUG(debugLevelNVMe >= DebugLevelVerbose, {
                Log::Warning("[NVMe] Status %d attempting to identify controller", completion.status);
            })
            return completion.status;
        }

        return 0;
    }
}