xref: /openbsd-src/sys/dev/pci/drm/amd/display/modules/inc/mod_vmid.h (revision c349dbc7938c71a30e13c1be4acc1976165f4630)
1*c349dbc7Sjsg /*
2*c349dbc7Sjsg  * Copyright 2019 Advanced Micro Devices, Inc.
3*c349dbc7Sjsg  *
4*c349dbc7Sjsg  * Permission is hereby granted, free of charge, to any person obtaining a
5*c349dbc7Sjsg  * copy of this software and associated documentation files (the "Software"),
6*c349dbc7Sjsg  * to deal in the Software without restriction, including without limitation
7*c349dbc7Sjsg  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*c349dbc7Sjsg  * and/or sell copies of the Software, and to permit persons to whom the
9*c349dbc7Sjsg  * Software is furnished to do so, subject to the following conditions:
10*c349dbc7Sjsg  *
11*c349dbc7Sjsg  * The above copyright notice and this permission notice shall be included in
12*c349dbc7Sjsg  * all copies or substantial portions of the Software.
13*c349dbc7Sjsg  *
14*c349dbc7Sjsg  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*c349dbc7Sjsg  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*c349dbc7Sjsg  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17*c349dbc7Sjsg  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*c349dbc7Sjsg  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*c349dbc7Sjsg  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*c349dbc7Sjsg  * OTHER DEALINGS IN THE SOFTWARE.
21*c349dbc7Sjsg  *
22*c349dbc7Sjsg  * Authors: AMD
23*c349dbc7Sjsg  *
24*c349dbc7Sjsg  */
25*c349dbc7Sjsg 
26*c349dbc7Sjsg #ifndef MOD_VMID_H_
27*c349dbc7Sjsg #define MOD_VMID_H_
28*c349dbc7Sjsg 
29*c349dbc7Sjsg #define MAX_VMID 16
30*c349dbc7Sjsg 
31*c349dbc7Sjsg #include "dc.h"
32*c349dbc7Sjsg 
33*c349dbc7Sjsg struct mod_vmid {
34*c349dbc7Sjsg 	int dummy;
35*c349dbc7Sjsg };
36*c349dbc7Sjsg 
37*c349dbc7Sjsg uint8_t mod_vmid_get_for_ptb(struct mod_vmid *mod_vmid, uint64_t ptb);
38*c349dbc7Sjsg void mod_vmid_reset(struct mod_vmid *mod_vmid);
39*c349dbc7Sjsg struct mod_vmid *mod_vmid_create(
40*c349dbc7Sjsg 		struct dc *dc,
41*c349dbc7Sjsg 		unsigned int num_vmid,
42*c349dbc7Sjsg 		struct dc_virtual_addr_space_config *va_config);
43*c349dbc7Sjsg 
44*c349dbc7Sjsg void mod_vmid_destroy(struct mod_vmid *mod_vmid);
45*c349dbc7Sjsg 
46*c349dbc7Sjsg #endif /* MOD_VMID_H_ */
47