mirror of
https://gitlab.uni-freiburg.de/opensourcevdi/spice
synced 2025-12-26 22:48:19 +00:00
80 lines
3.0 KiB
C
80 lines
3.0 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
|
|
/*
|
|
Copyright (C) 2009,2010 Red Hat, Inc.
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef _H_REDMEMSLOTS
|
|
#define _H_REDMEMSLOTS
|
|
|
|
#include "red_common.h"
|
|
|
|
#include <spice/qxl_dev.h>
|
|
|
|
typedef struct MemSlot {
|
|
int generation;
|
|
unsigned long virt_start_addr;
|
|
unsigned long virt_end_addr;
|
|
long address_delta;
|
|
} MemSlot;
|
|
|
|
typedef struct RedMemSlotInfo {
|
|
MemSlot **mem_slots;
|
|
uint32_t num_memslots_groups;
|
|
uint32_t num_memslots;
|
|
uint8_t mem_slot_bits;
|
|
uint8_t generation_bits;
|
|
uint8_t memslot_id_shift;
|
|
uint8_t memslot_gen_shift;
|
|
uint8_t internal_groupslot_id;
|
|
unsigned long memslot_gen_mask;
|
|
unsigned long memslot_clean_virt_mask;
|
|
} RedMemSlotInfo;
|
|
|
|
static inline int get_memslot_id(RedMemSlotInfo *info, unsigned long addr)
|
|
{
|
|
return addr >> info->memslot_id_shift;
|
|
}
|
|
|
|
static inline int get_generation(RedMemSlotInfo *info, unsigned long addr)
|
|
{
|
|
return (addr >> info->memslot_gen_shift) & info->memslot_gen_mask;
|
|
}
|
|
|
|
unsigned long get_virt_delta(RedMemSlotInfo *info, unsigned long addr, int group_id);
|
|
void validate_virt(RedMemSlotInfo *info, unsigned long virt, int slot_id,
|
|
uint32_t add_size, uint32_t group_id);
|
|
unsigned long get_virt(RedMemSlotInfo *info, unsigned long addr, uint32_t add_size,
|
|
int group_id);
|
|
|
|
void *validate_chunk (RedMemSlotInfo *info, QXLPHYSICAL data, uint32_t group_id, uint32_t *data_size_out, QXLPHYSICAL *next_out);
|
|
void *cb_get_virt(void *opaque, unsigned long addr,
|
|
uint32_t add_size, uint32_t group_id);
|
|
void cb_validate_virt(void *opaque,
|
|
unsigned long virt, unsigned long from_addr,
|
|
uint32_t add_size, uint32_t group_id);
|
|
void red_memslot_info_init(RedMemSlotInfo *info,
|
|
uint32_t num_groups, uint32_t num_slots,
|
|
uint8_t generation_bits,
|
|
uint8_t id_bits,
|
|
uint8_t internal_groupslot_id);
|
|
void red_memslot_info_add_slot(RedMemSlotInfo *info, uint32_t slot_group_id, uint32_t slot_id,
|
|
uint64_t addr_delta, unsigned long virt_start, unsigned long virt_end,
|
|
uint32_t generation);
|
|
void red_memslot_info_del_slot(RedMemSlotInfo *info, uint32_t slot_group_id, uint32_t slot_id);
|
|
void red_memslot_info_reset(RedMemSlotInfo *info);
|
|
|
|
#endif
|