mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-18 09:56:40 +00:00
225 lines
12 KiB
C++
225 lines
12 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#pragma once
|
|
#include <mesosphere/kern_common.hpp>
|
|
#include <mesosphere/kern_k_auto_object.hpp>
|
|
#include <mesosphere/kern_slab_helpers.hpp>
|
|
#include <mesosphere/kern_k_writable_event.hpp>
|
|
#include <mesosphere/kern_k_thread.hpp>
|
|
#include <mesosphere/kern_k_process.hpp>
|
|
#include <mesosphere/kern_k_memory_block.hpp>
|
|
|
|
namespace ams::kern {
|
|
|
|
class KSessionRequest final : public KSlabAllocated<KSessionRequest>, public KAutoObject, public util::IntrusiveListBaseNode<KSessionRequest> {
|
|
MESOSPHERE_AUTOOBJECT_TRAITS(KSessionRequest, KAutoObject);
|
|
public:
|
|
class SessionMappings {
|
|
private:
|
|
static constexpr size_t NumStaticMappings = 8;
|
|
|
|
class Mapping {
|
|
private:
|
|
KProcessAddress client_address;
|
|
KProcessAddress server_address;
|
|
size_t size;
|
|
KMemoryState state;
|
|
public:
|
|
constexpr void Set(KProcessAddress c, KProcessAddress s, size_t sz, KMemoryState st) {
|
|
this->client_address = c;
|
|
this->server_address = s;
|
|
this->size = sz;
|
|
this->state = st;
|
|
}
|
|
|
|
constexpr KProcessAddress GetClientAddress() const { return this->client_address; }
|
|
constexpr KProcessAddress GetServerAddress() const { return this->server_address; }
|
|
constexpr size_t GetSize() const { return this->size; }
|
|
constexpr KMemoryState GetMemoryState() const { return this->state; }
|
|
};
|
|
private:
|
|
Mapping static_mappings[NumStaticMappings];
|
|
Mapping *mappings;
|
|
u8 num_send;
|
|
u8 num_recv;
|
|
u8 num_exch;
|
|
public:
|
|
constexpr explicit SessionMappings() : static_mappings(), mappings(), num_send(), num_recv(), num_exch() { /* ... */ }
|
|
|
|
void Initialize() { /* ... */ }
|
|
void Finalize();
|
|
|
|
constexpr size_t GetSendCount() const { return this->num_send; }
|
|
constexpr size_t GetReceiveCount() const { return this->num_recv; }
|
|
constexpr size_t GetExchangeCount() const { return this->num_exch; }
|
|
|
|
Result PushSend(KProcessAddress client, KProcessAddress server, size_t size, KMemoryState state);
|
|
Result PushReceive(KProcessAddress client, KProcessAddress server, size_t size, KMemoryState state);
|
|
Result PushExchange(KProcessAddress client, KProcessAddress server, size_t size, KMemoryState state);
|
|
|
|
constexpr KProcessAddress GetSendClientAddress(size_t i) const { return GetSendMapping(i).GetClientAddress(); }
|
|
constexpr KProcessAddress GetSendServerAddress(size_t i) const { return GetSendMapping(i).GetServerAddress(); }
|
|
constexpr size_t GetSendSize(size_t i) const { return GetSendMapping(i).GetSize(); }
|
|
constexpr KMemoryState GetSendMemoryState(size_t i) const { return GetSendMapping(i).GetMemoryState(); }
|
|
|
|
constexpr KProcessAddress GetReceiveClientAddress(size_t i) const { return GetReceiveMapping(i).GetClientAddress(); }
|
|
constexpr KProcessAddress GetReceiveServerAddress(size_t i) const { return GetReceiveMapping(i).GetServerAddress(); }
|
|
constexpr size_t GetReceiveSize(size_t i) const { return GetReceiveMapping(i).GetSize(); }
|
|
constexpr KMemoryState GetReceiveMemoryState(size_t i) const { return GetReceiveMapping(i).GetMemoryState(); }
|
|
|
|
constexpr KProcessAddress GetExchangeClientAddress(size_t i) const { return GetExchangeMapping(i).GetClientAddress(); }
|
|
constexpr KProcessAddress GetExchangeServerAddress(size_t i) const { return GetExchangeMapping(i).GetServerAddress(); }
|
|
constexpr size_t GetExchangeSize(size_t i) const { return GetExchangeMapping(i).GetSize(); }
|
|
constexpr KMemoryState GetExchangeMemoryState(size_t i) const { return GetExchangeMapping(i).GetMemoryState(); }
|
|
private:
|
|
Result PushMap(KProcessAddress client, KProcessAddress server, size_t size, KMemoryState state, size_t index);
|
|
|
|
constexpr const Mapping &GetSendMapping(size_t i) const {
|
|
MESOSPHERE_ASSERT(i < this->num_send);
|
|
|
|
const size_t index = i;
|
|
if (index < NumStaticMappings) {
|
|
return this->static_mappings[index];
|
|
} else {
|
|
return this->mappings[index - NumStaticMappings];
|
|
}
|
|
}
|
|
|
|
constexpr const Mapping &GetReceiveMapping(size_t i) const {
|
|
MESOSPHERE_ASSERT(i < this->num_recv);
|
|
|
|
const size_t index = this->num_send + i;
|
|
if (index < NumStaticMappings) {
|
|
return this->static_mappings[index];
|
|
} else {
|
|
return this->mappings[index - NumStaticMappings];
|
|
}
|
|
}
|
|
|
|
constexpr const Mapping &GetExchangeMapping(size_t i) const {
|
|
MESOSPHERE_ASSERT(i < this->num_exch);
|
|
|
|
const size_t index = this->num_send + this->num_recv + i;
|
|
if (index < NumStaticMappings) {
|
|
return this->static_mappings[index];
|
|
} else {
|
|
return this->mappings[index - NumStaticMappings];
|
|
}
|
|
}
|
|
|
|
|
|
};
|
|
private:
|
|
SessionMappings mappings;
|
|
KThread *thread;
|
|
KProcess *server;
|
|
KWritableEvent *event;
|
|
uintptr_t address;
|
|
size_t size;
|
|
public:
|
|
constexpr KSessionRequest() : mappings(), thread(), server(), event(), address(), size() { /* ... */ }
|
|
virtual ~KSessionRequest() { /* ... */ }
|
|
|
|
static KSessionRequest *Create() {
|
|
KSessionRequest *req = KSessionRequest::Allocate();
|
|
if (req != nullptr) {
|
|
KAutoObject::Create(req);
|
|
}
|
|
return req;
|
|
}
|
|
|
|
virtual void Destroy() override {
|
|
this->Finalize();
|
|
KSessionRequest::Free(this);
|
|
}
|
|
|
|
void Initialize(KWritableEvent *event, uintptr_t address, size_t size) {
|
|
this->mappings.Initialize();
|
|
|
|
this->thread = std::addressof(GetCurrentThread());
|
|
this->event = event;
|
|
this->address = address;
|
|
this->size = size;
|
|
|
|
this->thread->Open();
|
|
if (this->event != nullptr) {
|
|
this->event->Open();
|
|
}
|
|
}
|
|
|
|
virtual void Finalize() override {
|
|
this->mappings.Finalize();
|
|
|
|
if (this->thread) {
|
|
this->thread->Close();
|
|
}
|
|
if (this->event) {
|
|
this->event->Close();
|
|
}
|
|
if (this->server) {
|
|
this->server->Close();
|
|
}
|
|
}
|
|
|
|
static void PostDestroy(uintptr_t arg) { MESOSPHERE_UNUSED(arg); /* ... */ }
|
|
|
|
constexpr KThread *GetThread() const { return this->thread; }
|
|
constexpr KWritableEvent *GetEvent() const { return this->event; }
|
|
constexpr uintptr_t GetAddress() const { return this->address; }
|
|
constexpr size_t GetSize() const { return this->size; }
|
|
constexpr KProcess *GetServerProcess() const { return this->server; }
|
|
|
|
void SetServerProcess(KProcess *process) {
|
|
this->server = process;
|
|
this->server->Open();
|
|
}
|
|
|
|
constexpr void ClearThread() { this->thread = nullptr; }
|
|
constexpr void ClearEvent() { this->event = nullptr; }
|
|
|
|
constexpr size_t GetSendCount() const { return this->mappings.GetSendCount(); }
|
|
constexpr size_t GetReceiveCount() const { return this->mappings.GetReceiveCount(); }
|
|
constexpr size_t GetExchangeCount() const { return this->mappings.GetExchangeCount(); }
|
|
|
|
Result PushSend(KProcessAddress client, KProcessAddress server, size_t size, KMemoryState state) {
|
|
return this->mappings.PushSend(client, server, size, state);
|
|
}
|
|
|
|
Result PushReceive(KProcessAddress client, KProcessAddress server, size_t size, KMemoryState state) {
|
|
return this->mappings.PushReceive(client, server, size, state);
|
|
}
|
|
|
|
Result PushExchange(KProcessAddress client, KProcessAddress server, size_t size, KMemoryState state) {
|
|
return this->mappings.PushExchange(client, server, size, state);
|
|
}
|
|
|
|
constexpr KProcessAddress GetSendClientAddress(size_t i) const { return this->mappings.GetSendClientAddress(i); }
|
|
constexpr KProcessAddress GetSendServerAddress(size_t i) const { return this->mappings.GetSendServerAddress(i); }
|
|
constexpr size_t GetSendSize(size_t i) const { return this->mappings.GetSendSize(i); }
|
|
constexpr KMemoryState GetSendMemoryState(size_t i) const { return this->mappings.GetSendMemoryState(i); }
|
|
|
|
constexpr KProcessAddress GetReceiveClientAddress(size_t i) const { return this->mappings.GetReceiveClientAddress(i); }
|
|
constexpr KProcessAddress GetReceiveServerAddress(size_t i) const { return this->mappings.GetReceiveServerAddress(i); }
|
|
constexpr size_t GetReceiveSize(size_t i) const { return this->mappings.GetReceiveSize(i); }
|
|
constexpr KMemoryState GetReceiveMemoryState(size_t i) const { return this->mappings.GetReceiveMemoryState(i); }
|
|
|
|
constexpr KProcessAddress GetExchangeClientAddress(size_t i) const { return this->mappings.GetExchangeClientAddress(i); }
|
|
constexpr KProcessAddress GetExchangeServerAddress(size_t i) const { return this->mappings.GetExchangeServerAddress(i); }
|
|
constexpr size_t GetExchangeSize(size_t i) const { return this->mappings.GetExchangeSize(i); }
|
|
constexpr KMemoryState GetExchangeMemoryState(size_t i) const { return this->mappings.GetExchangeMemoryState(i); }
|
|
};
|
|
|
|
}
|