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[all] Add stub for new Endpoint kernel object

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This commit is contained in:
Drew Galbraith 2023-06-21 21:26:24 -07:00
parent 1f7a15eed4
commit 69501bfe01
15 changed files with 144 additions and 38 deletions
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15
sys/denali/client/denali_client.cpp
View file

@ -4,18 +4,21 @@
#include "denali/denali.h"
MappedMemoryRegion DenaliClient::ReadSectors(uint64_t device_id, uint64_t lba,
uint64_t num_sectors) {
glcr::ErrorOr<MappedMemoryRegion> DenaliClient::ReadSectors(
uint64_t device_id, uint64_t lba, uint64_t num_sectors) {
DenaliRead read{
.device_id = device_id,
.lba = lba,
.size = num_sectors,
};
check(channel_.WriteStruct(&read));
auto pair_or = endpoint_.CallEndpoint<DenaliRead, DenaliReadResponse>(read);
if (!pair_or) {
return pair_or.error();
}
auto pair = pair_or.value();
DenaliReadResponse resp;
uint64_t mem_cap;
check(channel_.ReadStructAndCap(&resp, &mem_cap));
DenaliReadResponse& resp = pair.first();
z_cap_t& mem_cap = pair.second();
return MappedMemoryRegion::FromCapability(mem_cap);
}

12
sys/denali/include/denali/denali_client.h
View file

@ -1,15 +1,17 @@
#pragma once
#include <mammoth/channel.h>
#include <glacier/status/error_or.h>
#include <mammoth/endpoint_client.h>
#include <mammoth/memory_region.h>
class DenaliClient {
public:
DenaliClient(const Channel& channel) : channel_(channel) {}
DenaliClient(const EndpointClient& endpoint) : endpoint_(endpoint) {}
MappedMemoryRegion ReadSectors(uint64_t device_id, uint64_t lba,
uint64_t num_sectors);
glcr::ErrorOr<MappedMemoryRegion> ReadSectors(uint64_t device_id,
uint64_t lba,
uint64_t num_sectors);
private:
Channel channel_;
EndpointClient endpoint_;
};