acadia/sys/denali/denali_server.cpp

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2023-06-15 16:20:29 -07:00
#include "denali_server.h"
#include <mammoth/debug.h>
#include <zcall.h>
DenaliServer::DenaliServer(uint64_t channel_cap, AhciDriver& driver)
: channel_cap_(channel_cap), driver_(driver) {}
z_err_t DenaliServer::RunServer() {
while (true) {
uint64_t buff_size = kBuffSize;
uint64_t cap_size = 0;
uint64_t type = DENALI_INVALID;
RET_ERR(ZChannelRecv(channel_cap_, buff_size, read_buffer_, 0, nullptr,
&type, &buff_size, &cap_size));
switch (type) {
case Z_INVALID:
dbgln(reinterpret_cast<char*>(read_buffer_));
break;
case DENALI_READ: {
DenaliRead* read_req = reinterpret_cast<DenaliRead*>(read_buffer_);
uint64_t memcap = 0;
DenaliReadResponse resp;
RET_ERR(HandleRead(*read_req, resp, memcap));
uint64_t caps_len = memcap ? 1 : 0;
RET_ERR(ZChannelSend(channel_cap_, 0, sizeof(DenaliReadResponse),
reinterpret_cast<uint8_t*>(&resp), caps_len,
&memcap));
break;
}
default:
dbgln("Invalid message type.");
return Z_ERR_UNIMPLEMENTED;
}
}
}
z_err_t DenaliServer::HandleRead(const DenaliRead& read,
DenaliReadResponse& resp, uint64_t& memcap) {
AhciDevice device;
RET_ERR(driver_.GetDevice(read.device_id, device));
return Z_OK;
}