FM / linux

/usr/include/linux

Name	Size	Mode	Actions
android/	-	0755	rm
byteorder/	-	0755	rm
caif/	-	0755	rm
can/	-	0755	rm
cifs/	-	0755	rm
dvb/	-	0755	rm
genwqe/	-	0755	rm
hdlc/	-	0755	rm
hsi/	-	0755	rm
iio/	-	0755	rm
isdn/	-	0755	rm
misc/	-	0755	rm
mmc/	-	0755	rm
netfilter/	-	0755	rm
netfilter_arp/	-	0755	rm
netfilter_bridge/	-	0755	rm
netfilter_ipv4/	-	0755	rm
netfilter_ipv6/	-	0755	rm
nfsd/	-	0755	rm
raid/	-	0755	rm
sched/	-	0755	rm
spi/	-	0755	rm
sunrpc/	-	0755	rm
surface_aggregator/	-	0755	rm
tc_act/	-	0755	rm
tc_ematch/	-	0755	rm
usb/	-	0755	rm
a.out.h	6892	0644	edit dl rm
acct.h	3913	0644	edit dl rm
acrn.h	16686	0644	edit dl rm
adb.h	1140	0644	edit dl rm
adfs_fs.h	993	0644	edit dl rm
affs_hardblocks.h	1578	0644	edit dl rm
agpgart.h	3940	0644	edit dl rm
aio_abi.h	3398	0644	edit dl rm
am437x-vpfe.h	3681	0644	edit dl rm
apm_bios.h	3683	0644	edit dl rm
arcfb.h	213	0644	edit dl rm
arm_sdei.h	2751	0644	edit dl rm
aspeed-lpc-ctrl.h	1780	0644	edit dl rm
aspeed-p2a-ctrl.h	1906	0644	edit dl rm
atalk.h	1023	0644	edit dl rm
atm.h	7888	0644	edit dl rm
atmapi.h	952	0644	edit dl rm
atmarp.h	1296	0644	edit dl rm
atmbr2684.h	3271	0644	edit dl rm
atmclip.h	576	0644	edit dl rm
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atmlec.h	2381	0644	edit dl rm
atmmpc.h	4226	0644	edit dl rm
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atmsvc.h	1853	0644	edit dl rm
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atm_he.h	406	0644	edit dl rm
atm_idt77105.h	955	0644	edit dl rm
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atm_tcp.h	1622	0644	edit dl rm
atm_zatm.h	1540	0644	edit dl rm
audit.h	21570	0644	edit dl rm
auto_dev-ioctl.h	4986	0644	edit dl rm
auto_fs.h	6428	0644	edit dl rm
auto_fs4.h	451	0644	edit dl rm
auxvec.h	1597	0644	edit dl rm
ax25.h	2824	0644	edit dl rm
batadv_packet.h	20345	0644	edit dl rm
batman_adv.h	16887	0644	edit dl rm
baycom.h	883	0644	edit dl rm
bcm933xx_hcs.h	419	0644	edit dl rm
bfs_fs.h	1905	0644	edit dl rm
binfmts.h	776	0644	edit dl rm
bits.h	447	0644	edit dl rm
blkpg.h	904	0644	edit dl rm
blktrace_api.h	4701	0644	edit dl rm
blkzoned.h	6493	0644	edit dl rm
bpf.h	278639	0644	edit dl rm
bpfilter.h	465	0644	edit dl rm
bpf_common.h	1367	0644	edit dl rm
bpf_perf_event.h	529	0644	edit dl rm
bpqether.h	981	0644	edit dl rm
bsg.h	2494	0644	edit dl rm
bt-bmc.h	572	0644	edit dl rm
btf.h	5591	0644	edit dl rm
btrfs.h	30570	0644	edit dl rm
btrfs_tree.h	25829	0644	edit dl rm
cachefiles.h	1650	0644	edit dl rm
can.h	11496	0644	edit dl rm
capability.h	13491	0644	edit dl rm
capi.h	3124	0644	edit dl rm
cciss_defs.h	3281	0644	edit dl rm
cciss_ioctl.h	2761	0644	edit dl rm
ccs.h	767	0644	edit dl rm
cdrom.h	29561	0644	edit dl rm
cec-funcs.h	54419	0644	edit dl rm
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cfm_bridge.h	1456	0644	edit dl rm
cgroupstats.h	2219	0644	edit dl rm
chio.h	5282	0644	edit dl rm
close_range.h	377	0644	edit dl rm
cm4000_cs.h	1806	0644	edit dl rm
cn_proc.h	4149	0644	edit dl rm
coda.h	18216	0644	edit dl rm
coff.h	12549	0644	edit dl rm
connector.h	2253	0644	edit dl rm
const.h	987	0644	edit dl rm
coresight-stm.h	747	0644	edit dl rm
cramfs_fs.h	3555	0644	edit dl rm
cryptouser.h	5321	0644	edit dl rm
cuda.h	905	0644	edit dl rm
cxl_mem.h	7915	0644	edit dl rm
cycx_cfm.h	2990	0644	edit dl rm
dcbnl.h	25292	0644	edit dl rm
dccp.h	6436	0644	edit dl rm
devlink.h	23316	0644	edit dl rm
dlm.h	2553	0644	edit dl rm
dlmconstants.h	5080	0644	edit dl rm
dlm_device.h	2543	0644	edit dl rm
dlm_netlink.h	1159	0644	edit dl rm
dlm_plock.h	894	0644	edit dl rm
dm-ioctl.h	11753	0644	edit dl rm
dm-log-userspace.h	15191	0644	edit dl rm
dma-buf.h	5247	0644	edit dl rm
dma-heap.h	1394	0644	edit dl rm
dn.h	4642	0644	edit dl rm
dns_resolver.h	3949	0644	edit dl rm
dpll.h	8697	0644	edit dl rm
dqblk_xfs.h	9388	0644	edit dl rm
edd.h	5604	0644	edit dl rm
efs_fs_sb.h	2227	0644	edit dl rm
elf-em.h	2627	0644	edit dl rm
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elf.h	15042	0644	edit dl rm
errno.h	23	0644	edit dl rm
errqueue.h	1983	0644	edit dl rm
erspan.h	1059	0644	edit dl rm
ethtool.h	103855	0644	edit dl rm
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eventfd.h	264	0644	edit dl rm
eventpoll.h	2913	0644	edit dl rm
f2fs.h	3301	0644	edit dl rm
fadvise.h	842	0644	edit dl rm
falloc.h	3643	0644	edit dl rm
fanotify.h	7886	0644	edit dl rm
fb.h	16477	0644	edit dl rm
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fd.h	12117	0644	edit dl rm
fdreg.h	5364	0644	edit dl rm
fib_rules.h	2036	0644	edit dl rm
fiemap.h	2775	0644	edit dl rm
filter.h	2216	0644	edit dl rm
firewire-cdev.h	44240	0644	edit dl rm
firewire-constants.h	3231	0644	edit dl rm
fou.h	819	0644	edit dl rm
fpga-dfl.h	8728	0644	edit dl rm
fs.h	13186	0644	edit dl rm
fscrypt.h	6565	0644	edit dl rm
fsi.h	2255	0644	edit dl rm
fsl_hypervisor.h	7301	0644	edit dl rm
fsl_mc.h	734	0644	edit dl rm
fsmap.h	4393	0644	edit dl rm
fsverity.h	3185	0644	edit dl rm
fuse.h	25968	0644	edit dl rm
futex.h	6127	0644	edit dl rm
gameport.h	897	0644	edit dl rm
genetlink.h	2238	0644	edit dl rm
gen_stats.h	1526	0644	edit dl rm
gfs2_ondisk.h	14773	0644	edit dl rm
gpio.h	19922	0644	edit dl rm
gsmmux.h	4509	0644	edit dl rm
gtp.h	734	0644	edit dl rm
handshake.h	1646	0644	edit dl rm
hash_info.h	971	0644	edit dl rm
hdlc.h	637	0644	edit dl rm
hdlcdrv.h	2908	0644	edit dl rm
hdreg.h	22703	0644	edit dl rm
hid.h	2086	0644	edit dl rm
hiddev.h	6345	0644	edit dl rm
hidraw.h	1993	0644	edit dl rm
hpet.h	743	0644	edit dl rm
hsr_netlink.h	1101	0644	edit dl rm
hw_breakpoint.h	742	0644	edit dl rm
hyperv.h	11152	0644	edit dl rm
i2c-dev.h	1875	0644	edit dl rm
i2c.h	6890	0644	edit dl rm
i2o-dev.h	11555	0644	edit dl rm
i8k.h	1528	0644	edit dl rm
icmp.h	4785	0644	edit dl rm
icmpv6.h	4300	0644	edit dl rm
idxd.h	9328	0644	edit dl rm
if.h	10925	0644	edit dl rm
ife.h	351	0644	edit dl rm
if_addr.h	1886	0644	edit dl rm
if_addrlabel.h	721	0644	edit dl rm
if_alg.h	1566	0644	edit dl rm
if_arcnet.h	3717	0644	edit dl rm
if_arp.h	6565	0644	edit dl rm
if_bonding.h	5145	0644	edit dl rm
if_bridge.h	20755	0644	edit dl rm
if_cablemodem.h	986	0644	edit dl rm
if_eql.h	1349	0644	edit dl rm
if_ether.h	8410	0644	edit dl rm
if_fc.h	1738	0644	edit dl rm
if_fddi.h	4369	0644	edit dl rm
if_hippi.h	4235	0644	edit dl rm
if_infiniband.h	1245	0644	edit dl rm
if_link.h	54131	0644	edit dl rm
if_ltalk.h	210	0644	edit dl rm
if_macsec.h	6503	0644	edit dl rm
if_packet.h	8183	0644	edit dl rm
if_phonet.h	424	0644	edit dl rm
if_plip.h	660	0644	edit dl rm
if_ppp.h	29	0644	edit dl rm
if_pppol2tp.h	3303	0644	edit dl rm
if_pppox.h	4879	0644	edit dl rm
if_slip.h	872	0644	edit dl rm
if_team.h	2600	0644	edit dl rm
if_tun.h	4098	0644	edit dl rm
if_tunnel.h	5488	0644	edit dl rm
if_vlan.h	1831	0644	edit dl rm
if_x25.h	881	0644	edit dl rm
if_xdp.h	5414	0644	edit dl rm
igmp.h	3064	0644	edit dl rm
ila.h	1246	0644	edit dl rm
in.h	10486	0644	edit dl rm
in6.h	7537	0644	edit dl rm
inet_diag.h	5017	0644	edit dl rm
inotify.h	3292	0644	edit dl rm
input-event-codes.h	30203	0644	edit dl rm
input.h	16217	0644	edit dl rm
in_route.h	936	0644	edit dl rm
ioctl.h	163	0644	edit dl rm
iommufd.h	37327	0644	edit dl rm
ioprio.h	4175	0644	edit dl rm
io_uring.h	20887	0644	edit dl rm
ip.h	4813	0644	edit dl rm
ip6_tunnel.h	1953	0644	edit dl rm
ipc.h	2101	0644	edit dl rm
ipmi.h	15442	0644	edit dl rm
ipmi_bmc.h	488	0644	edit dl rm
ipmi_msgdefs.h	3430	0644	edit dl rm
ipmi_ssif_bmc.h	441	0644	edit dl rm
ipsec.h	947	0644	edit dl rm
ipv6.h	4169	0644	edit dl rm
ipv6_route.h	1908	0644	edit dl rm
ipx.h	2347	0644	edit dl rm
ip_vs.h	14135	0644	edit dl rm
irqnr.h	104	0644	edit dl rm
iso_fs.h	6485	0644	edit dl rm
isst_if.h	15281	0644	edit dl rm
ivtv.h	3022	0644	edit dl rm
ivtvfb.h	1207	0644	edit dl rm
jffs2.h	6815	0644	edit dl rm
joystick.h	3434	0644	edit dl rm
kcm.h	822	0644	edit dl rm
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kcov.h	1963	0644	edit dl rm
kd.h	6452	0644	edit dl rm
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kernel.h	194	0644	edit dl rm
kernelcapi.h	1019	0644	edit dl rm
kexec.h	2097	0644	edit dl rm
keyboard.h	13459	0644	edit dl rm
keyctl.h	5996	0644	edit dl rm
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kvm.h	48372	0644	edit dl rm
kvm_para.h	1001	0644	edit dl rm
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lp.h	4190	0644	edit dl rm
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mptcp.h	3763	0644	edit dl rm
mptcp_pm.h	4407	0644	edit dl rm
mqueue.h	2201	0644	edit dl rm
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mrp_bridge.h	1708	0644	edit dl rm
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msg.h	3386	0644	edit dl rm
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mtio.h	8175	0644	edit dl rm
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net.h	2085	0644	edit dl rm
netconf.h	614	0644	edit dl rm
netdev.h	5786	0644	edit dl rm
netdevice.h	2253	0644	edit dl rm
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netfilter_arp.h	445	0644	edit dl rm
netfilter_bridge.h	1168	0644	edit dl rm
netfilter_decnet.h	1758	0644	edit dl rm
netfilter_ipv4.h	1488	0644	edit dl rm
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nfs_fs.h	1654	0644	edit dl rm
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nvram.h	532	0644	edit dl rm
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omapfb.h	5918	0644	edit dl rm
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packet_diag.h	1672	0644	edit dl rm
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pci.h	1380	0644	edit dl rm
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pci_regs.h	63374	0644	edit dl rm
perf_event.h	43709	0644	edit dl rm
personality.h	2097	0644	edit dl rm
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string.h	238	0644	edit dl rm
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sysinfo.h	1049	0644	edit dl rm
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taskstats.h	8322	0644	edit dl rm
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Edit: /usr/include/linux/kfd_ioctl.h (58428B)

/*
 * Copyright 2014 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef KFD_IOCTL_H_INCLUDED
#define KFD_IOCTL_H_INCLUDED

#include <drm/drm.h>
#include <linux/ioctl.h>

/*
 * - 1.1 - initial version
 * - 1.3 - Add SMI events support
 * - 1.4 - Indicate new SRAM EDC bit in device properties
 * - 1.5 - Add SVM API
 * - 1.6 - Query clear flags in SVM get_attr API
 * - 1.7 - Checkpoint Restore (CRIU) API
 * - 1.8 - CRIU - Support for SDMA transfers with GTT BOs
 * - 1.9 - Add available memory ioctl
 * - 1.10 - Add SMI profiler event log
 * - 1.11 - Add unified memory for ctx save/restore area
 * - 1.12 - Add DMA buf export ioctl
 * - 1.13 - Add debugger API
 * - 1.14 - Update kfd_event_data
 * - 1.15 - Enable managing mappings in compute VMs with GEM_VA ioctl
 * - 1.16 - Add contiguous VRAM allocation flag
 * - 1.17 - Add SDMA queue creation with target SDMA engine ID
 * - 1.18 - Rename pad in set_memory_policy_args to misc_process_flag
 */
#define KFD_IOCTL_MAJOR_VERSION 1
#define KFD_IOCTL_MINOR_VERSION 18

struct kfd_ioctl_get_version_args {
	__u32 major_version;	/* from KFD */
	__u32 minor_version;	/* from KFD */
};

/* For kfd_ioctl_create_queue_args.queue_type. */
#define KFD_IOC_QUEUE_TYPE_COMPUTE		0x0
#define KFD_IOC_QUEUE_TYPE_SDMA			0x1
#define KFD_IOC_QUEUE_TYPE_COMPUTE_AQL		0x2
#define KFD_IOC_QUEUE_TYPE_SDMA_XGMI		0x3
#define KFD_IOC_QUEUE_TYPE_SDMA_BY_ENG_ID	0x4

#define KFD_MAX_QUEUE_PERCENTAGE	100
#define KFD_MAX_QUEUE_PRIORITY		15

#define KFD_MIN_QUEUE_RING_SIZE		1024

struct kfd_ioctl_create_queue_args {
	__u64 ring_base_address;	/* to KFD */
	__u64 write_pointer_address;	/* from KFD */
	__u64 read_pointer_address;	/* from KFD */
	__u64 doorbell_offset;	/* from KFD */

__u32 ring_size;		/* to KFD */
	__u32 gpu_id;		/* to KFD */
	__u32 queue_type;		/* to KFD */
	__u32 queue_percentage;	/* to KFD */
	__u32 queue_priority;	/* to KFD */
	__u32 queue_id;		/* from KFD */

__u64 eop_buffer_address;	/* to KFD */
	__u64 eop_buffer_size;	/* to KFD */
	__u64 ctx_save_restore_address; /* to KFD */
	__u32 ctx_save_restore_size;	/* to KFD */
	__u32 ctl_stack_size;		/* to KFD */
	__u32 sdma_engine_id;		/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_destroy_queue_args {
	__u32 queue_id;		/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_update_queue_args {
	__u64 ring_base_address;	/* to KFD */

__u32 queue_id;		/* to KFD */
	__u32 ring_size;		/* to KFD */
	__u32 queue_percentage;	/* to KFD */
	__u32 queue_priority;	/* to KFD */
};

struct kfd_ioctl_set_cu_mask_args {
	__u32 queue_id;		/* to KFD */
	__u32 num_cu_mask;		/* to KFD */
	__u64 cu_mask_ptr;		/* to KFD */
};

struct kfd_ioctl_get_queue_wave_state_args {
	__u64 ctl_stack_address;	/* to KFD */
	__u32 ctl_stack_used_size;	/* from KFD */
	__u32 save_area_used_size;	/* from KFD */
	__u32 queue_id;			/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_get_available_memory_args {
	__u64 available;	/* from KFD */
	__u32 gpu_id;		/* to KFD */
	__u32 pad;
};

struct kfd_dbg_device_info_entry {
	__u64 exception_status;
	__u64 lds_base;
	__u64 lds_limit;
	__u64 scratch_base;
	__u64 scratch_limit;
	__u64 gpuvm_base;
	__u64 gpuvm_limit;
	__u32 gpu_id;
	__u32 location_id;
	__u32 vendor_id;
	__u32 device_id;
	__u32 revision_id;
	__u32 subsystem_vendor_id;
	__u32 subsystem_device_id;
	__u32 fw_version;
	__u32 gfx_target_version;
	__u32 simd_count;
	__u32 max_waves_per_simd;
	__u32 array_count;
	__u32 simd_arrays_per_engine;
	__u32 num_xcc;
	__u32 capability;
	__u32 debug_prop;
};

/* For kfd_ioctl_set_memory_policy_args.default_policy and alternate_policy */
#define KFD_IOC_CACHE_POLICY_COHERENT 0
#define KFD_IOC_CACHE_POLICY_NONCOHERENT 1

/* Misc. per process flags */
#define KFD_PROC_FLAG_MFMA_HIGH_PRECISION (1 << 0)

struct kfd_ioctl_set_memory_policy_args {
	__u64 alternate_aperture_base;	/* to KFD */
	__u64 alternate_aperture_size;	/* to KFD */

__u32 gpu_id;			/* to KFD */
	__u32 default_policy;		/* to KFD */
	__u32 alternate_policy;		/* to KFD */
	__u32 misc_process_flag;        /* to KFD */
};

/*
 * All counters are monotonic. They are used for profiling of compute jobs.
 * The profiling is done by userspace.
 *
 * In case of GPU reset, the counter should not be affected.
 */

struct kfd_ioctl_get_clock_counters_args {
	__u64 gpu_clock_counter;	/* from KFD */
	__u64 cpu_clock_counter;	/* from KFD */
	__u64 system_clock_counter;	/* from KFD */
	__u64 system_clock_freq;	/* from KFD */

__u32 gpu_id;		/* to KFD */
	__u32 pad;
};

struct kfd_process_device_apertures {
	__u64 lds_base;		/* from KFD */
	__u64 lds_limit;		/* from KFD */
	__u64 scratch_base;		/* from KFD */
	__u64 scratch_limit;		/* from KFD */
	__u64 gpuvm_base;		/* from KFD */
	__u64 gpuvm_limit;		/* from KFD */
	__u32 gpu_id;		/* from KFD */
	__u32 pad;
};

/*
 * AMDKFD_IOC_GET_PROCESS_APERTURES is deprecated. Use
 * AMDKFD_IOC_GET_PROCESS_APERTURES_NEW instead, which supports an
 * unlimited number of GPUs.
 */
#define NUM_OF_SUPPORTED_GPUS 7
struct kfd_ioctl_get_process_apertures_args {
	struct kfd_process_device_apertures
			process_apertures[NUM_OF_SUPPORTED_GPUS];/* from KFD */

/* from KFD, should be in the range [1 - NUM_OF_SUPPORTED_GPUS] */
	__u32 num_of_nodes;
	__u32 pad;
};

struct kfd_ioctl_get_process_apertures_new_args {
	/* User allocated. Pointer to struct kfd_process_device_apertures
	 * filled in by Kernel
	 */
	__u64 kfd_process_device_apertures_ptr;
	/* to KFD - indicates amount of memory present in
	 *  kfd_process_device_apertures_ptr
	 * from KFD - Number of entries filled by KFD.
	 */
	__u32 num_of_nodes;
	__u32 pad;
};

#define MAX_ALLOWED_NUM_POINTS    100
#define MAX_ALLOWED_AW_BUFF_SIZE 4096
#define MAX_ALLOWED_WAC_BUFF_SIZE  128

struct kfd_ioctl_dbg_register_args {
	__u32 gpu_id;		/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_dbg_unregister_args {
	__u32 gpu_id;		/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_dbg_address_watch_args {
	__u64 content_ptr;		/* a pointer to the actual content */
	__u32 gpu_id;		/* to KFD */
	__u32 buf_size_in_bytes;	/*including gpu_id and buf_size */
};

struct kfd_ioctl_dbg_wave_control_args {
	__u64 content_ptr;		/* a pointer to the actual content */
	__u32 gpu_id;		/* to KFD */
	__u32 buf_size_in_bytes;	/*including gpu_id and buf_size */
};

#define KFD_INVALID_FD     0xffffffff

/* Matching HSA_EVENTTYPE */
#define KFD_IOC_EVENT_SIGNAL			0
#define KFD_IOC_EVENT_NODECHANGE		1
#define KFD_IOC_EVENT_DEVICESTATECHANGE		2
#define KFD_IOC_EVENT_HW_EXCEPTION		3
#define KFD_IOC_EVENT_SYSTEM_EVENT		4
#define KFD_IOC_EVENT_DEBUG_EVENT		5
#define KFD_IOC_EVENT_PROFILE_EVENT		6
#define KFD_IOC_EVENT_QUEUE_EVENT		7
#define KFD_IOC_EVENT_MEMORY			8

#define KFD_IOC_WAIT_RESULT_COMPLETE		0
#define KFD_IOC_WAIT_RESULT_TIMEOUT		1
#define KFD_IOC_WAIT_RESULT_FAIL		2

#define KFD_SIGNAL_EVENT_LIMIT			4096

/* For kfd_event_data.hw_exception_data.reset_type. */
#define KFD_HW_EXCEPTION_WHOLE_GPU_RESET	0
#define KFD_HW_EXCEPTION_PER_ENGINE_RESET	1

/* For kfd_event_data.hw_exception_data.reset_cause. */
#define KFD_HW_EXCEPTION_GPU_HANG	0
#define KFD_HW_EXCEPTION_ECC		1

/* For kfd_hsa_memory_exception_data.ErrorType */
#define KFD_MEM_ERR_NO_RAS		0
#define KFD_MEM_ERR_SRAM_ECC		1
#define KFD_MEM_ERR_POISON_CONSUMED	2
#define KFD_MEM_ERR_GPU_HANG		3

struct kfd_ioctl_create_event_args {
	__u64 event_page_offset;	/* from KFD */
	__u32 event_trigger_data;	/* from KFD - signal events only */
	__u32 event_type;		/* to KFD */
	__u32 auto_reset;		/* to KFD */
	__u32 node_id;		/* to KFD - only valid for certain
							event types */
	__u32 event_id;		/* from KFD */
	__u32 event_slot_index;	/* from KFD */
};

struct kfd_ioctl_destroy_event_args {
	__u32 event_id;		/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_set_event_args {
	__u32 event_id;		/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_reset_event_args {
	__u32 event_id;		/* to KFD */
	__u32 pad;
};

struct kfd_memory_exception_failure {
	__u32 NotPresent;	/* Page not present or supervisor privilege */
	__u32 ReadOnly;	/* Write access to a read-only page */
	__u32 NoExecute;	/* Execute access to a page marked NX */
	__u32 imprecise;	/* Can't determine the	exact fault address */
};

/* memory exception data */
struct kfd_hsa_memory_exception_data {
	struct kfd_memory_exception_failure failure;
	__u64 va;
	__u32 gpu_id;
	__u32 ErrorType; /* 0 = no RAS error,
			  * 1 = ECC_SRAM,
			  * 2 = Link_SYNFLOOD (poison),
			  * 3 = GPU hang (not attributable to a specific cause),
			  * other values reserved
			  */
};

/* hw exception data */
struct kfd_hsa_hw_exception_data {
	__u32 reset_type;
	__u32 reset_cause;
	__u32 memory_lost;
	__u32 gpu_id;
};

/* hsa signal event data */
struct kfd_hsa_signal_event_data {
	__u64 last_event_age;	/* to and from KFD */
};

/* Event data */
struct kfd_event_data {
	union {
		/* From KFD */
		struct kfd_hsa_memory_exception_data memory_exception_data;
		struct kfd_hsa_hw_exception_data hw_exception_data;
		/* To and From KFD */
		struct kfd_hsa_signal_event_data signal_event_data;
	};
	__u64 kfd_event_data_ext;	/* pointer to an extension structure
					   for future exception types */
	__u32 event_id;		/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_wait_events_args {
	__u64 events_ptr;		/* pointed to struct
					   kfd_event_data array, to KFD */
	__u32 num_events;		/* to KFD */
	__u32 wait_for_all;		/* to KFD */
	__u32 timeout;		/* to KFD */
	__u32 wait_result;		/* from KFD */
};

struct kfd_ioctl_set_scratch_backing_va_args {
	__u64 va_addr;	/* to KFD */
	__u32 gpu_id;	/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_get_tile_config_args {
	/* to KFD: pointer to tile array */
	__u64 tile_config_ptr;
	/* to KFD: pointer to macro tile array */
	__u64 macro_tile_config_ptr;
	/* to KFD: array size allocated by user mode
	 * from KFD: array size filled by kernel
	 */
	__u32 num_tile_configs;
	/* to KFD: array size allocated by user mode
	 * from KFD: array size filled by kernel
	 */
	__u32 num_macro_tile_configs;

__u32 gpu_id;		/* to KFD */
	__u32 gb_addr_config;	/* from KFD */
	__u32 num_banks;		/* from KFD */
	__u32 num_ranks;		/* from KFD */
	/* struct size can be extended later if needed
	 * without breaking ABI compatibility
	 */
};

struct kfd_ioctl_set_trap_handler_args {
	__u64 tba_addr;		/* to KFD */
	__u64 tma_addr;		/* to KFD */
	__u32 gpu_id;		/* to KFD */
	__u32 pad;
};

struct kfd_ioctl_acquire_vm_args {
	__u32 drm_fd;	/* to KFD */
	__u32 gpu_id;	/* to KFD */
};

/* Allocation flags: memory types */
#define KFD_IOC_ALLOC_MEM_FLAGS_VRAM		(1 << 0)
#define KFD_IOC_ALLOC_MEM_FLAGS_GTT		(1 << 1)
#define KFD_IOC_ALLOC_MEM_FLAGS_USERPTR		(1 << 2)
#define KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL	(1 << 3)
#define KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP	(1 << 4)
/* Allocation flags: attributes/access options */
#define KFD_IOC_ALLOC_MEM_FLAGS_WRITABLE	(1 << 31)
#define KFD_IOC_ALLOC_MEM_FLAGS_EXECUTABLE	(1 << 30)
#define KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC		(1 << 29)
#define KFD_IOC_ALLOC_MEM_FLAGS_NO_SUBSTITUTE	(1 << 28)
#define KFD_IOC_ALLOC_MEM_FLAGS_AQL_QUEUE_MEM	(1 << 27)
#define KFD_IOC_ALLOC_MEM_FLAGS_COHERENT	(1 << 26)
#define KFD_IOC_ALLOC_MEM_FLAGS_UNCACHED	(1 << 25)
#define KFD_IOC_ALLOC_MEM_FLAGS_EXT_COHERENT	(1 << 24)
#define KFD_IOC_ALLOC_MEM_FLAGS_CONTIGUOUS	(1 << 23)

/* Allocate memory for later SVM (shared virtual memory) mapping.
 *
 * @va_addr:     virtual address of the memory to be allocated
 *               all later mappings on all GPUs will use this address
 * @size:        size in bytes
 * @handle:      buffer handle returned to user mode, used to refer to
 *               this allocation for mapping, unmapping and freeing
 * @mmap_offset: for CPU-mapping the allocation by mmapping a render node
 *               for userptrs this is overloaded to specify the CPU address
 * @gpu_id:      device identifier
 * @flags:       memory type and attributes. See KFD_IOC_ALLOC_MEM_FLAGS above
 */
struct kfd_ioctl_alloc_memory_of_gpu_args {
	__u64 va_addr;		/* to KFD */
	__u64 size;		/* to KFD */
	__u64 handle;		/* from KFD */
	__u64 mmap_offset;	/* to KFD (userptr), from KFD (mmap offset) */
	__u32 gpu_id;		/* to KFD */
	__u32 flags;
};

/* Free memory allocated with kfd_ioctl_alloc_memory_of_gpu
 *
 * @handle: memory handle returned by alloc
 */
struct kfd_ioctl_free_memory_of_gpu_args {
	__u64 handle;		/* to KFD */
};

/* Map memory to one or more GPUs
 *
 * @handle:                memory handle returned by alloc
 * @device_ids_array_ptr:  array of gpu_ids (__u32 per device)
 * @n_devices:             number of devices in the array
 * @n_success:             number of devices mapped successfully
 *
 * @n_success returns information to the caller how many devices from
 * the start of the array have mapped the buffer successfully. It can
 * be passed into a subsequent retry call to skip those devices. For
 * the first call the caller should initialize it to 0.
 *
 * If the ioctl completes with return code 0 (success), n_success ==
 * n_devices.
 */
struct kfd_ioctl_map_memory_to_gpu_args {
	__u64 handle;			/* to KFD */
	__u64 device_ids_array_ptr;	/* to KFD */
	__u32 n_devices;		/* to KFD */
	__u32 n_success;		/* to/from KFD */
};

/* Unmap memory from one or more GPUs
 *
 * same arguments as for mapping
 */
struct kfd_ioctl_unmap_memory_from_gpu_args {
	__u64 handle;			/* to KFD */
	__u64 device_ids_array_ptr;	/* to KFD */
	__u32 n_devices;		/* to KFD */
	__u32 n_success;		/* to/from KFD */
};

/* Allocate GWS for specific queue
 *
 * @queue_id:    queue's id that GWS is allocated for
 * @num_gws:     how many GWS to allocate
 * @first_gws:   index of the first GWS allocated.
 *               only support contiguous GWS allocation
 */
struct kfd_ioctl_alloc_queue_gws_args {
	__u32 queue_id;		/* to KFD */
	__u32 num_gws;		/* to KFD */
	__u32 first_gws;	/* from KFD */
	__u32 pad;
};

struct kfd_ioctl_get_dmabuf_info_args {
	__u64 size;		/* from KFD */
	__u64 metadata_ptr;	/* to KFD */
	__u32 metadata_size;	/* to KFD (space allocated by user)
				 * from KFD (actual metadata size)
				 */
	__u32 gpu_id;	/* from KFD */
	__u32 flags;		/* from KFD (KFD_IOC_ALLOC_MEM_FLAGS) */
	__u32 dmabuf_fd;	/* to KFD */
};

struct kfd_ioctl_import_dmabuf_args {
	__u64 va_addr;	/* to KFD */
	__u64 handle;	/* from KFD */
	__u32 gpu_id;	/* to KFD */
	__u32 dmabuf_fd;	/* to KFD */
};

struct kfd_ioctl_export_dmabuf_args {
	__u64 handle;		/* to KFD */
	__u32 flags;		/* to KFD */
	__u32 dmabuf_fd;	/* from KFD */
};

/*
 * KFD SMI(System Management Interface) events
 */
enum kfd_smi_event {
	KFD_SMI_EVENT_NONE = 0, /* not used */
	KFD_SMI_EVENT_VMFAULT = 1, /* event start counting at 1 */
	KFD_SMI_EVENT_THERMAL_THROTTLE = 2,
	KFD_SMI_EVENT_GPU_PRE_RESET = 3,
	KFD_SMI_EVENT_GPU_POST_RESET = 4,
	KFD_SMI_EVENT_MIGRATE_START = 5,
	KFD_SMI_EVENT_MIGRATE_END = 6,
	KFD_SMI_EVENT_PAGE_FAULT_START = 7,
	KFD_SMI_EVENT_PAGE_FAULT_END = 8,
	KFD_SMI_EVENT_QUEUE_EVICTION = 9,
	KFD_SMI_EVENT_QUEUE_RESTORE = 10,
	KFD_SMI_EVENT_UNMAP_FROM_GPU = 11,

/*
	 * max event number, as a flag bit to get events from all processes,
	 * this requires super user permission, otherwise will not be able to
	 * receive event from any process. Without this flag to receive events
	 * from same process.
	 */
	KFD_SMI_EVENT_ALL_PROCESS = 64
};

/* The reason of the page migration event */
enum KFD_MIGRATE_TRIGGERS {
	KFD_MIGRATE_TRIGGER_PREFETCH,		/* Prefetch to GPU VRAM or system memory */
	KFD_MIGRATE_TRIGGER_PAGEFAULT_GPU,	/* GPU page fault recover */
	KFD_MIGRATE_TRIGGER_PAGEFAULT_CPU,	/* CPU page fault recover */
	KFD_MIGRATE_TRIGGER_TTM_EVICTION	/* TTM eviction */
};

/* The reason of user queue evition event */
enum KFD_QUEUE_EVICTION_TRIGGERS {
	KFD_QUEUE_EVICTION_TRIGGER_SVM,		/* SVM buffer migration */
	KFD_QUEUE_EVICTION_TRIGGER_USERPTR,	/* userptr movement */
	KFD_QUEUE_EVICTION_TRIGGER_TTM,		/* TTM move buffer */
	KFD_QUEUE_EVICTION_TRIGGER_SUSPEND,	/* GPU suspend */
	KFD_QUEUE_EVICTION_CRIU_CHECKPOINT,	/* CRIU checkpoint */
	KFD_QUEUE_EVICTION_CRIU_RESTORE		/* CRIU restore */
};

/* The reason of unmap buffer from GPU event */
enum KFD_SVM_UNMAP_TRIGGERS {
	KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY,	/* MMU notifier CPU buffer movement */
	KFD_SVM_UNMAP_TRIGGER_MMU_NOTIFY_MIGRATE,/* MMU notifier page migration */
	KFD_SVM_UNMAP_TRIGGER_UNMAP_FROM_CPU	/* Unmap to free the buffer */
};

#define KFD_SMI_EVENT_MASK_FROM_INDEX(i) (1ULL << ((i) - 1))
#define KFD_SMI_EVENT_MSG_SIZE	96

struct kfd_ioctl_smi_events_args {
	__u32 gpuid;	/* to KFD */
	__u32 anon_fd;	/* from KFD */
};

/*
 * SVM event tracing via SMI system management interface
 *
 * Open event file descriptor
 *    use ioctl AMDKFD_IOC_SMI_EVENTS, pass in gpuid and return a anonymous file
 *    descriptor to receive SMI events.
 *    If calling with sudo permission, then file descriptor can be used to receive
 *    SVM events from all processes, otherwise, to only receive SVM events of same
 *    process.
 *
 * To enable the SVM event
 *    Write event file descriptor with KFD_SMI_EVENT_MASK_FROM_INDEX(event) bitmap
 *    mask to start record the event to the kfifo, use bitmap mask combination
 *    for multiple events. New event mask will overwrite the previous event mask.
 *    KFD_SMI_EVENT_MASK_FROM_INDEX(KFD_SMI_EVENT_ALL_PROCESS) bit requires sudo
 *    permisson to receive SVM events from all process.
 *
 * To receive the event
 *    Application can poll file descriptor to wait for the events, then read event
 *    from the file into a buffer. Each event is one line string message, starting
 *    with the event id, then the event specific information.
 *
 * To decode event information
 *    The following event format string macro can be used with sscanf to decode
 *    the specific event information.
 *    event triggers: the reason to generate the event, defined as enum for unmap,
 *    eviction and migrate events.
 *    node, from, to, prefetch_loc, preferred_loc: GPU ID, or 0 for system memory.
 *    addr: user mode address, in pages
 *    size: in pages
 *    pid: the process ID to generate the event
 *    ns: timestamp in nanosecond-resolution, starts at system boot time but
 *        stops during suspend
 *    migrate_update: GPU page fault is recovered by 'M' for migrate, 'U' for update
 *    rw: 'W' for write page fault, 'R' for read page fault
 *    rescheduled: 'R' if the queue restore failed and rescheduled to try again
 *    error_code: migrate failure error code, 0 if no error
 */
#define KFD_EVENT_FMT_UPDATE_GPU_RESET(reset_seq_num, reset_cause)\
		"%x %s\n", (reset_seq_num), (reset_cause)

#define KFD_EVENT_FMT_THERMAL_THROTTLING(bitmask, counter)\
		"%llx:%llx\n", (bitmask), (counter)

#define KFD_EVENT_FMT_VMFAULT(pid, task_name)\
		"%x:%s\n", (pid), (task_name)

#define KFD_EVENT_FMT_PAGEFAULT_START(ns, pid, addr, node, rw)\
		"%lld -%d @%lx(%x) %c\n", (ns), (pid), (addr), (node), (rw)

#define KFD_EVENT_FMT_PAGEFAULT_END(ns, pid, addr, node, migrate_update)\
		"%lld -%d @%lx(%x) %c\n", (ns), (pid), (addr), (node), (migrate_update)

#define KFD_EVENT_FMT_MIGRATE_START(ns, pid, start, size, from, to, prefetch_loc,\
		preferred_loc, migrate_trigger)\
		"%lld -%d @%lx(%lx) %x->%x %x:%x %d\n", (ns), (pid), (start), (size),\
		(from), (to), (prefetch_loc), (preferred_loc), (migrate_trigger)

#define KFD_EVENT_FMT_MIGRATE_END(ns, pid, start, size, from, to, migrate_trigger, error_code) \
		"%lld -%d @%lx(%lx) %x->%x %d %d\n", (ns), (pid), (start), (size),\
		(from), (to), (migrate_trigger), (error_code)

#define KFD_EVENT_FMT_QUEUE_EVICTION(ns, pid, node, evict_trigger)\
		"%lld -%d %x %d\n", (ns), (pid), (node), (evict_trigger)

#define KFD_EVENT_FMT_QUEUE_RESTORE(ns, pid, node, rescheduled)\
		"%lld -%d %x %c\n", (ns), (pid), (node), (rescheduled)

#define KFD_EVENT_FMT_UNMAP_FROM_GPU(ns, pid, addr, size, node, unmap_trigger)\
		"%lld -%d @%lx(%lx) %x %d\n", (ns), (pid), (addr), (size),\
		(node), (unmap_trigger)

/**************************************************************************************************
 * CRIU IOCTLs (Checkpoint Restore In Userspace)
 *
 * When checkpointing a process, the userspace application will perform:
 * 1. PROCESS_INFO op to determine current process information. This pauses execution and evicts
 *    all the queues.
 * 2. CHECKPOINT op to checkpoint process contents (BOs, queues, events, svm-ranges)
 * 3. UNPAUSE op to un-evict all the queues
 *
 * When restoring a process, the CRIU userspace application will perform:
 *
 * 1. RESTORE op to restore process contents
 * 2. RESUME op to start the process
 *
 * Note: Queues are forced into an evicted state after a successful PROCESS_INFO. User
 * application needs to perform an UNPAUSE operation after calling PROCESS_INFO.
 */

enum kfd_criu_op {
	KFD_CRIU_OP_PROCESS_INFO,
	KFD_CRIU_OP_CHECKPOINT,
	KFD_CRIU_OP_UNPAUSE,
	KFD_CRIU_OP_RESTORE,
	KFD_CRIU_OP_RESUME,
};

/**
 * kfd_ioctl_criu_args - Arguments perform CRIU operation
 * @devices:		[in/out] User pointer to memory location for devices information.
 * 			This is an array of type kfd_criu_device_bucket.
 * @bos:		[in/out] User pointer to memory location for BOs information
 * 			This is an array of type kfd_criu_bo_bucket.
 * @priv_data:		[in/out] User pointer to memory location for private data
 * @priv_data_size:	[in/out] Size of priv_data in bytes
 * @num_devices:	[in/out] Number of GPUs used by process. Size of @devices array.
 * @num_bos		[in/out] Number of BOs used by process. Size of @bos array.
 * @num_objects:	[in/out] Number of objects used by process. Objects are opaque to
 *				 user application.
 * @pid:		[in/out] PID of the process being checkpointed
 * @op			[in] Type of operation (kfd_criu_op)
 *
 * Return: 0 on success, -errno on failure
 */
struct kfd_ioctl_criu_args {
	__u64 devices;		/* Used during ops: CHECKPOINT, RESTORE */
	__u64 bos;		/* Used during ops: CHECKPOINT, RESTORE */
	__u64 priv_data;	/* Used during ops: CHECKPOINT, RESTORE */
	__u64 priv_data_size;	/* Used during ops: PROCESS_INFO, RESTORE */
	__u32 num_devices;	/* Used during ops: PROCESS_INFO, RESTORE */
	__u32 num_bos;		/* Used during ops: PROCESS_INFO, RESTORE */
	__u32 num_objects;	/* Used during ops: PROCESS_INFO, RESTORE */
	__u32 pid;		/* Used during ops: PROCESS_INFO, RESUME */
	__u32 op;
};

struct kfd_criu_device_bucket {
	__u32 user_gpu_id;
	__u32 actual_gpu_id;
	__u32 drm_fd;
	__u32 pad;
};

struct kfd_criu_bo_bucket {
	__u64 addr;
	__u64 size;
	__u64 offset;
	__u64 restored_offset;    /* During restore, updated offset for BO */
	__u32 gpu_id;             /* This is the user_gpu_id */
	__u32 alloc_flags;
	__u32 dmabuf_fd;
	__u32 pad;
};

/* CRIU IOCTLs - END */
/**************************************************************************************************/

/* Register offset inside the remapped mmio page
 */
enum kfd_mmio_remap {
	KFD_MMIO_REMAP_HDP_MEM_FLUSH_CNTL = 0,
	KFD_MMIO_REMAP_HDP_REG_FLUSH_CNTL = 4,
};

/* Guarantee host access to memory */
#define KFD_IOCTL_SVM_FLAG_HOST_ACCESS 0x00000001
/* Fine grained coherency between all devices with access */
#define KFD_IOCTL_SVM_FLAG_COHERENT    0x00000002
/* Use any GPU in same hive as preferred device */
#define KFD_IOCTL_SVM_FLAG_HIVE_LOCAL  0x00000004
/* GPUs only read, allows replication */
#define KFD_IOCTL_SVM_FLAG_GPU_RO      0x00000008
/* Allow execution on GPU */
#define KFD_IOCTL_SVM_FLAG_GPU_EXEC    0x00000010
/* GPUs mostly read, may allow similar optimizations as RO, but writes fault */
#define KFD_IOCTL_SVM_FLAG_GPU_READ_MOSTLY     0x00000020
/* Keep GPU memory mapping always valid as if XNACK is disable */
#define KFD_IOCTL_SVM_FLAG_GPU_ALWAYS_MAPPED   0x00000040
/* Fine grained coherency between all devices using device-scope atomics */
#define KFD_IOCTL_SVM_FLAG_EXT_COHERENT        0x00000080

/**
 * kfd_ioctl_svm_op - SVM ioctl operations
 *
 * @KFD_IOCTL_SVM_OP_SET_ATTR: Modify one or more attributes
 * @KFD_IOCTL_SVM_OP_GET_ATTR: Query one or more attributes
 */
enum kfd_ioctl_svm_op {
	KFD_IOCTL_SVM_OP_SET_ATTR,
	KFD_IOCTL_SVM_OP_GET_ATTR
};

/** kfd_ioctl_svm_location - Enum for preferred and prefetch locations
 *
 * GPU IDs are used to specify GPUs as preferred and prefetch locations.
 * Below definitions are used for system memory or for leaving the preferred
 * location unspecified.
 */
enum kfd_ioctl_svm_location {
	KFD_IOCTL_SVM_LOCATION_SYSMEM = 0,
	KFD_IOCTL_SVM_LOCATION_UNDEFINED = 0xffffffff
};

/**
 * kfd_ioctl_svm_attr_type - SVM attribute types
 *
 * @KFD_IOCTL_SVM_ATTR_PREFERRED_LOC: gpuid of the preferred location, 0 for
 *                                    system memory
 * @KFD_IOCTL_SVM_ATTR_PREFETCH_LOC: gpuid of the prefetch location, 0 for
 *                                   system memory. Setting this triggers an
 *                                   immediate prefetch (migration).
 * @KFD_IOCTL_SVM_ATTR_ACCESS:
 * @KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE:
 * @KFD_IOCTL_SVM_ATTR_NO_ACCESS: specify memory access for the gpuid given
 *                                by the attribute value
 * @KFD_IOCTL_SVM_ATTR_SET_FLAGS: bitmask of flags to set (see
 *                                KFD_IOCTL_SVM_FLAG_...)
 * @KFD_IOCTL_SVM_ATTR_CLR_FLAGS: bitmask of flags to clear
 * @KFD_IOCTL_SVM_ATTR_GRANULARITY: migration granularity
 *                                  (log2 num pages)
 */
enum kfd_ioctl_svm_attr_type {
	KFD_IOCTL_SVM_ATTR_PREFERRED_LOC,
	KFD_IOCTL_SVM_ATTR_PREFETCH_LOC,
	KFD_IOCTL_SVM_ATTR_ACCESS,
	KFD_IOCTL_SVM_ATTR_ACCESS_IN_PLACE,
	KFD_IOCTL_SVM_ATTR_NO_ACCESS,
	KFD_IOCTL_SVM_ATTR_SET_FLAGS,
	KFD_IOCTL_SVM_ATTR_CLR_FLAGS,
	KFD_IOCTL_SVM_ATTR_GRANULARITY
};

/**
 * kfd_ioctl_svm_attribute - Attributes as pairs of type and value
 *
 * The meaning of the @value depends on the attribute type.
 *
 * @type: attribute type (see enum @kfd_ioctl_svm_attr_type)
 * @value: attribute value
 */
struct kfd_ioctl_svm_attribute {
	__u32 type;
	__u32 value;
};

/**
 * kfd_ioctl_svm_args - Arguments for SVM ioctl
 *
 * @op specifies the operation to perform (see enum
 * @kfd_ioctl_svm_op).  @start_addr and @size are common for all
 * operations.
 *
 * A variable number of attributes can be given in @attrs.
 * @nattr specifies the number of attributes. New attributes can be
 * added in the future without breaking the ABI. If unknown attributes
 * are given, the function returns -EINVAL.
 *
 * @KFD_IOCTL_SVM_OP_SET_ATTR sets attributes for a virtual address
 * range. It may overlap existing virtual address ranges. If it does,
 * the existing ranges will be split such that the attribute changes
 * only apply to the specified address range.
 *
 * @KFD_IOCTL_SVM_OP_GET_ATTR returns the intersection of attributes
 * over all memory in the given range and returns the result as the
 * attribute value. If different pages have different preferred or
 * prefetch locations, 0xffffffff will be returned for
 * @KFD_IOCTL_SVM_ATTR_PREFERRED_LOC or
 * @KFD_IOCTL_SVM_ATTR_PREFETCH_LOC resepctively. For
 * @KFD_IOCTL_SVM_ATTR_SET_FLAGS, flags of all pages will be
 * aggregated by bitwise AND. That means, a flag will be set in the
 * output, if that flag is set for all pages in the range. For
 * @KFD_IOCTL_SVM_ATTR_CLR_FLAGS, flags of all pages will be
 * aggregated by bitwise NOR. That means, a flag will be set in the
 * output, if that flag is clear for all pages in the range.
 * The minimum migration granularity throughout the range will be
 * returned for @KFD_IOCTL_SVM_ATTR_GRANULARITY.
 *
 * Querying of accessibility attributes works by initializing the
 * attribute type to @KFD_IOCTL_SVM_ATTR_ACCESS and the value to the
 * GPUID being queried. Multiple attributes can be given to allow
 * querying multiple GPUIDs. The ioctl function overwrites the
 * attribute type to indicate the access for the specified GPU.
 */
struct kfd_ioctl_svm_args {
	__u64 start_addr;
	__u64 size;
	__u32 op;
	__u32 nattr;
	/* Variable length array of attributes */
	struct kfd_ioctl_svm_attribute attrs[];
};

/**
 * kfd_ioctl_set_xnack_mode_args - Arguments for set_xnack_mode
 *
 * @xnack_enabled:       [in/out] Whether to enable XNACK mode for this process
 *
 * @xnack_enabled indicates whether recoverable page faults should be
 * enabled for the current process. 0 means disabled, positive means
 * enabled, negative means leave unchanged. If enabled, virtual address
 * translations on GFXv9 and later AMD GPUs can return XNACK and retry
 * the access until a valid PTE is available. This is used to implement
 * device page faults.
 *
 * On output, @xnack_enabled returns the (new) current mode (0 or
 * positive). Therefore, a negative input value can be used to query
 * the current mode without changing it.
 *
 * The XNACK mode fundamentally changes the way SVM managed memory works
 * in the driver, with subtle effects on application performance and
 * functionality.
 *
 * Enabling XNACK mode requires shader programs to be compiled
 * differently. Furthermore, not all GPUs support changing the mode
 * per-process. Therefore changing the mode is only allowed while no
 * user mode queues exist in the process. This ensure that no shader
 * code is running that may be compiled for the wrong mode. And GPUs
 * that cannot change to the requested mode will prevent the XNACK
 * mode from occurring. All GPUs used by the process must be in the
 * same XNACK mode.
 *
 * GFXv8 or older GPUs do not support 48 bit virtual addresses or SVM.
 * Therefore those GPUs are not considered for the XNACK mode switch.
 *
 * Return: 0 on success, -errno on failure
 */
struct kfd_ioctl_set_xnack_mode_args {
	__s32 xnack_enabled;
};

/* Wave launch override modes */
enum kfd_dbg_trap_override_mode {
	KFD_DBG_TRAP_OVERRIDE_OR = 0,
	KFD_DBG_TRAP_OVERRIDE_REPLACE = 1
};

/* Wave launch overrides */
enum kfd_dbg_trap_mask {
	KFD_DBG_TRAP_MASK_FP_INVALID = 1,
	KFD_DBG_TRAP_MASK_FP_INPUT_DENORMAL = 2,
	KFD_DBG_TRAP_MASK_FP_DIVIDE_BY_ZERO = 4,
	KFD_DBG_TRAP_MASK_FP_OVERFLOW = 8,
	KFD_DBG_TRAP_MASK_FP_UNDERFLOW = 16,
	KFD_DBG_TRAP_MASK_FP_INEXACT = 32,
	KFD_DBG_TRAP_MASK_INT_DIVIDE_BY_ZERO = 64,
	KFD_DBG_TRAP_MASK_DBG_ADDRESS_WATCH = 128,
	KFD_DBG_TRAP_MASK_DBG_MEMORY_VIOLATION = 256,
	KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_START = (1 << 30),
	KFD_DBG_TRAP_MASK_TRAP_ON_WAVE_END = (1 << 31)
};

/* Wave launch modes */
enum kfd_dbg_trap_wave_launch_mode {
	KFD_DBG_TRAP_WAVE_LAUNCH_MODE_NORMAL = 0,
	KFD_DBG_TRAP_WAVE_LAUNCH_MODE_HALT = 1,
	KFD_DBG_TRAP_WAVE_LAUNCH_MODE_DEBUG = 3
};

/* Address watch modes */
enum kfd_dbg_trap_address_watch_mode {
	KFD_DBG_TRAP_ADDRESS_WATCH_MODE_READ = 0,
	KFD_DBG_TRAP_ADDRESS_WATCH_MODE_NONREAD = 1,
	KFD_DBG_TRAP_ADDRESS_WATCH_MODE_ATOMIC = 2,
	KFD_DBG_TRAP_ADDRESS_WATCH_MODE_ALL = 3
};

/* Additional wave settings */
enum kfd_dbg_trap_flags {
	KFD_DBG_TRAP_FLAG_SINGLE_MEM_OP = 1,
	KFD_DBG_TRAP_FLAG_SINGLE_ALU_OP = 2,
};

/* Trap exceptions */
enum kfd_dbg_trap_exception_code {
	EC_NONE = 0,
	/* per queue */
	EC_QUEUE_WAVE_ABORT = 1,
	EC_QUEUE_WAVE_TRAP = 2,
	EC_QUEUE_WAVE_MATH_ERROR = 3,
	EC_QUEUE_WAVE_ILLEGAL_INSTRUCTION = 4,
	EC_QUEUE_WAVE_MEMORY_VIOLATION = 5,
	EC_QUEUE_WAVE_APERTURE_VIOLATION = 6,
	EC_QUEUE_PACKET_DISPATCH_DIM_INVALID = 16,
	EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID = 17,
	EC_QUEUE_PACKET_DISPATCH_CODE_INVALID = 18,
	EC_QUEUE_PACKET_RESERVED = 19,
	EC_QUEUE_PACKET_UNSUPPORTED = 20,
	EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID = 21,
	EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID = 22,
	EC_QUEUE_PACKET_VENDOR_UNSUPPORTED = 23,
	EC_QUEUE_PREEMPTION_ERROR = 30,
	EC_QUEUE_NEW = 31,
	/* per device */
	EC_DEVICE_QUEUE_DELETE = 32,
	EC_DEVICE_MEMORY_VIOLATION = 33,
	EC_DEVICE_RAS_ERROR = 34,
	EC_DEVICE_FATAL_HALT = 35,
	EC_DEVICE_NEW = 36,
	/* per process */
	EC_PROCESS_RUNTIME = 48,
	EC_PROCESS_DEVICE_REMOVE = 49,
	EC_MAX
};

/* Mask generated by ecode in kfd_dbg_trap_exception_code */
#define KFD_EC_MASK(ecode)	(1ULL << (ecode - 1))

/* Masks for exception code type checks below */
#define KFD_EC_MASK_QUEUE	(KFD_EC_MASK(EC_QUEUE_WAVE_ABORT) |	\
				 KFD_EC_MASK(EC_QUEUE_WAVE_TRAP) |	\
				 KFD_EC_MASK(EC_QUEUE_WAVE_MATH_ERROR) |	\
				 KFD_EC_MASK(EC_QUEUE_WAVE_ILLEGAL_INSTRUCTION) |	\
				 KFD_EC_MASK(EC_QUEUE_WAVE_MEMORY_VIOLATION) |	\
				 KFD_EC_MASK(EC_QUEUE_WAVE_APERTURE_VIOLATION) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_DIM_INVALID) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_CODE_INVALID) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_RESERVED) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_UNSUPPORTED) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_VENDOR_UNSUPPORTED)	|	\
				 KFD_EC_MASK(EC_QUEUE_PREEMPTION_ERROR)	|	\
				 KFD_EC_MASK(EC_QUEUE_NEW))
#define KFD_EC_MASK_DEVICE	(KFD_EC_MASK(EC_DEVICE_QUEUE_DELETE) |		\
				 KFD_EC_MASK(EC_DEVICE_RAS_ERROR) |		\
				 KFD_EC_MASK(EC_DEVICE_FATAL_HALT) |		\
				 KFD_EC_MASK(EC_DEVICE_MEMORY_VIOLATION) |	\
				 KFD_EC_MASK(EC_DEVICE_NEW))
#define KFD_EC_MASK_PROCESS	(KFD_EC_MASK(EC_PROCESS_RUNTIME) |	\
				 KFD_EC_MASK(EC_PROCESS_DEVICE_REMOVE))
#define KFD_EC_MASK_PACKET	(KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_DIM_INVALID) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_GROUP_SEGMENT_SIZE_INVALID) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_CODE_INVALID) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_RESERVED) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_UNSUPPORTED) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_WORK_GROUP_SIZE_INVALID) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_DISPATCH_REGISTER_INVALID) |	\
				 KFD_EC_MASK(EC_QUEUE_PACKET_VENDOR_UNSUPPORTED))

/* Checks for exception code types for KFD search */
#define KFD_DBG_EC_IS_VALID(ecode) (ecode > EC_NONE && ecode < EC_MAX)
#define KFD_DBG_EC_TYPE_IS_QUEUE(ecode)					\
			(KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_QUEUE))
#define KFD_DBG_EC_TYPE_IS_DEVICE(ecode)				\
			(KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_DEVICE))
#define KFD_DBG_EC_TYPE_IS_PROCESS(ecode)				\
			(KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PROCESS))
#define KFD_DBG_EC_TYPE_IS_PACKET(ecode)				\
			(KFD_DBG_EC_IS_VALID(ecode) && !!(KFD_EC_MASK(ecode) & KFD_EC_MASK_PACKET))

/* Runtime enable states */
enum kfd_dbg_runtime_state {
	DEBUG_RUNTIME_STATE_DISABLED = 0,
	DEBUG_RUNTIME_STATE_ENABLED = 1,
	DEBUG_RUNTIME_STATE_ENABLED_BUSY = 2,
	DEBUG_RUNTIME_STATE_ENABLED_ERROR = 3
};

/* Runtime enable status */
struct kfd_runtime_info {
	__u64 r_debug;
	__u32 runtime_state;
	__u32 ttmp_setup;
};

/* Enable modes for runtime enable */
#define KFD_RUNTIME_ENABLE_MODE_ENABLE_MASK	1
#define KFD_RUNTIME_ENABLE_MODE_TTMP_SAVE_MASK	2

/**
 * kfd_ioctl_runtime_enable_args - Arguments for runtime enable
 *
 * Coordinates debug exception signalling and debug device enablement with runtime.
 *
 * @r_debug - pointer to user struct for sharing information between ROCr and the debuggger
 * @mode_mask - mask to set mode
 *	KFD_RUNTIME_ENABLE_MODE_ENABLE_MASK - enable runtime for debugging, otherwise disable
 *	KFD_RUNTIME_ENABLE_MODE_TTMP_SAVE_MASK - enable trap temporary setup (ignore on disable)
 * @capabilities_mask - mask to notify runtime on what KFD supports
 *
 * Return - 0 on SUCCESS.
 *	  - EBUSY if runtime enable call already pending.
 *	  - EEXIST if user queues already active prior to call.
 *	    If process is debug enabled, runtime enable will enable debug devices and
 *	    wait for debugger process to send runtime exception EC_PROCESS_RUNTIME
 *	    to unblock - see kfd_ioctl_dbg_trap_args.
 *
 */
struct kfd_ioctl_runtime_enable_args {
	__u64 r_debug;
	__u32 mode_mask;
	__u32 capabilities_mask;
};

/* Queue information */
struct kfd_queue_snapshot_entry {
	__u64 exception_status;
	__u64 ring_base_address;
	__u64 write_pointer_address;
	__u64 read_pointer_address;
	__u64 ctx_save_restore_address;
	__u32 queue_id;
	__u32 gpu_id;
	__u32 ring_size;
	__u32 queue_type;
	__u32 ctx_save_restore_area_size;
	__u32 reserved;
};

/* Queue status return for suspend/resume */
#define KFD_DBG_QUEUE_ERROR_BIT		30
#define KFD_DBG_QUEUE_INVALID_BIT	31
#define KFD_DBG_QUEUE_ERROR_MASK	(1 << KFD_DBG_QUEUE_ERROR_BIT)
#define KFD_DBG_QUEUE_INVALID_MASK	(1 << KFD_DBG_QUEUE_INVALID_BIT)

/* Context save area header information */
struct kfd_context_save_area_header {
	struct {
		__u32 control_stack_offset;
		__u32 control_stack_size;
		__u32 wave_state_offset;
		__u32 wave_state_size;
	} wave_state;
	__u32 debug_offset;
	__u32 debug_size;
	__u64 err_payload_addr;
	__u32 err_event_id;
	__u32 reserved1;
};

/*
 * Debug operations
 *
 * For specifics on usage and return values, see documentation per operation
 * below.  Otherwise, generic error returns apply:
 *	- ESRCH if the process to debug does not exist.
 *
 *	- EINVAL (with KFD_IOC_DBG_TRAP_ENABLE exempt) if operation
 *		 KFD_IOC_DBG_TRAP_ENABLE has not succeeded prior.
 *		 Also returns this error if GPU hardware scheduling is not supported.
 *
 *	- EPERM (with KFD_IOC_DBG_TRAP_DISABLE exempt) if target process is not
 *		 PTRACE_ATTACHED.  KFD_IOC_DBG_TRAP_DISABLE is exempt to allow
 *		 clean up of debug mode as long as process is debug enabled.
 *
 *	- EACCES if any DBG_HW_OP (debug hardware operation) is requested when
 *		 AMDKFD_IOC_RUNTIME_ENABLE has not succeeded prior.
 *
 *	- ENODEV if any GPU does not support debugging on a DBG_HW_OP call.
 *
 *	- Other errors may be returned when a DBG_HW_OP occurs while the GPU
 *	  is in a fatal state.
 *
 */
enum kfd_dbg_trap_operations {
	KFD_IOC_DBG_TRAP_ENABLE = 0,
	KFD_IOC_DBG_TRAP_DISABLE = 1,
	KFD_IOC_DBG_TRAP_SEND_RUNTIME_EVENT = 2,
	KFD_IOC_DBG_TRAP_SET_EXCEPTIONS_ENABLED = 3,
	KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE = 4,  /* DBG_HW_OP */
	KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE = 5,      /* DBG_HW_OP */
	KFD_IOC_DBG_TRAP_SUSPEND_QUEUES = 6,		/* DBG_HW_OP */
	KFD_IOC_DBG_TRAP_RESUME_QUEUES = 7,		/* DBG_HW_OP */
	KFD_IOC_DBG_TRAP_SET_NODE_ADDRESS_WATCH = 8,	/* DBG_HW_OP */
	KFD_IOC_DBG_TRAP_CLEAR_NODE_ADDRESS_WATCH = 9,	/* DBG_HW_OP */
	KFD_IOC_DBG_TRAP_SET_FLAGS = 10,
	KFD_IOC_DBG_TRAP_QUERY_DEBUG_EVENT = 11,
	KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO = 12,
	KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT = 13,
	KFD_IOC_DBG_TRAP_GET_DEVICE_SNAPSHOT = 14
};

/**
 * kfd_ioctl_dbg_trap_enable_args
 *
 *     Arguments for KFD_IOC_DBG_TRAP_ENABLE.
 *
 *     Enables debug session for target process. Call @op KFD_IOC_DBG_TRAP_DISABLE in
 *     kfd_ioctl_dbg_trap_args to disable debug session.
 *
 *     @exception_mask (IN)	- exceptions to raise to the debugger
 *     @rinfo_ptr      (IN)	- pointer to runtime info buffer (see kfd_runtime_info)
 *     @rinfo_size     (IN/OUT)	- size of runtime info buffer in bytes
 *     @dbg_fd	       (IN)	- fd the KFD will nofify the debugger with of raised
 *				  exceptions set in exception_mask.
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 *		Copies KFD saved kfd_runtime_info to @rinfo_ptr on enable.
 *		Size of kfd_runtime saved by the KFD returned to @rinfo_size.
 *            - EBADF if KFD cannot get a reference to dbg_fd.
 *            - EFAULT if KFD cannot copy runtime info to rinfo_ptr.
 *            - EINVAL if target process is already debug enabled.
 *
 */
struct kfd_ioctl_dbg_trap_enable_args {
	__u64 exception_mask;
	__u64 rinfo_ptr;
	__u32 rinfo_size;
	__u32 dbg_fd;
};

/**
 * kfd_ioctl_dbg_trap_send_runtime_event_args
 *
 *
 *     Arguments for KFD_IOC_DBG_TRAP_SEND_RUNTIME_EVENT.
 *     Raises exceptions to runtime.
 *
 *     @exception_mask (IN) - exceptions to raise to runtime
 *     @gpu_id	       (IN) - target device id
 *     @queue_id       (IN) - target queue id
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 *	      - ENODEV if gpu_id not found.
 *		If exception_mask contains EC_PROCESS_RUNTIME, unblocks pending
 *		AMDKFD_IOC_RUNTIME_ENABLE call - see kfd_ioctl_runtime_enable_args.
 *		All other exceptions are raised to runtime through err_payload_addr.
 *		See kfd_context_save_area_header.
 */
struct kfd_ioctl_dbg_trap_send_runtime_event_args {
	__u64 exception_mask;
	__u32 gpu_id;
	__u32 queue_id;
};

/**
 * kfd_ioctl_dbg_trap_set_exceptions_enabled_args
 *
 *     Arguments for KFD_IOC_SET_EXCEPTIONS_ENABLED
 *     Set new exceptions to be raised to the debugger.
 *
 *     @exception_mask (IN) - new exceptions to raise the debugger
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 */
struct kfd_ioctl_dbg_trap_set_exceptions_enabled_args {
	__u64 exception_mask;
};

/**
 * kfd_ioctl_dbg_trap_set_wave_launch_override_args
 *
 *     Arguments for KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_OVERRIDE
 *     Enable HW exceptions to raise trap.
 *
 *     @override_mode	     (IN)     - see kfd_dbg_trap_override_mode
 *     @enable_mask	     (IN/OUT) - reference kfd_dbg_trap_mask.
 *					IN is the override modes requested to be enabled.
 *					OUT is referenced in Return below.
 *     @support_request_mask (IN/OUT) - reference kfd_dbg_trap_mask.
 *					IN is the override modes requested for support check.
 *					OUT is referenced in Return below.
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 *		Previous enablement is returned in @enable_mask.
 *		Actual override support is returned in @support_request_mask.
 *	      - EINVAL if override mode is not supported.
 *	      - EACCES if trap support requested is not actually supported.
 *		i.e. enable_mask (IN) is not a subset of support_request_mask (OUT).
 *		Otherwise it is considered a generic error (see kfd_dbg_trap_operations).
 */
struct kfd_ioctl_dbg_trap_set_wave_launch_override_args {
	__u32 override_mode;
	__u32 enable_mask;
	__u32 support_request_mask;
	__u32 pad;
};

/**
 * kfd_ioctl_dbg_trap_set_wave_launch_mode_args
 *
 *     Arguments for KFD_IOC_DBG_TRAP_SET_WAVE_LAUNCH_MODE
 *     Set wave launch mode.
 *
 *     @mode (IN) - see kfd_dbg_trap_wave_launch_mode
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 */
struct kfd_ioctl_dbg_trap_set_wave_launch_mode_args {
	__u32 launch_mode;
	__u32 pad;
};

/**
 * kfd_ioctl_dbg_trap_suspend_queues_ags
 *
 *     Arguments for KFD_IOC_DBG_TRAP_SUSPEND_QUEUES
 *     Suspend queues.
 *
 *     @exception_mask	(IN) - raised exceptions to clear
 *     @queue_array_ptr (IN) - pointer to array of queue ids (u32 per queue id)
 *			       to suspend
 *     @num_queues	(IN) - number of queues to suspend in @queue_array_ptr
 *     @grace_period	(IN) - wave time allowance before preemption
 *			       per 1K GPU clock cycle unit
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Destruction of a suspended queue is blocked until the queue is
 *     resumed.  This allows the debugger to access queue information and
 *     the its context save area without running into a race condition on
 *     queue destruction.
 *     Automatically copies per queue context save area header information
 *     into the save area base
 *     (see kfd_queue_snapshot_entry and kfd_context_save_area_header).
 *
 *     Return - Number of queues suspended on SUCCESS.
 *	.	KFD_DBG_QUEUE_ERROR_MASK and KFD_DBG_QUEUE_INVALID_MASK masked
 *		for each queue id in @queue_array_ptr array reports unsuccessful
 *		suspend reason.
 *		KFD_DBG_QUEUE_ERROR_MASK = HW failure.
 *		KFD_DBG_QUEUE_INVALID_MASK = queue does not exist, is new or
 *		is being destroyed.
 */
struct kfd_ioctl_dbg_trap_suspend_queues_args {
	__u64 exception_mask;
	__u64 queue_array_ptr;
	__u32 num_queues;
	__u32 grace_period;
};

/**
 * kfd_ioctl_dbg_trap_resume_queues_args
 *
 *     Arguments for KFD_IOC_DBG_TRAP_RESUME_QUEUES
 *     Resume queues.
 *
 *     @queue_array_ptr (IN) - pointer to array of queue ids (u32 per queue id)
 *			       to resume
 *     @num_queues	(IN) - number of queues to resume in @queue_array_ptr
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - Number of queues resumed on SUCCESS.
 *		KFD_DBG_QUEUE_ERROR_MASK and KFD_DBG_QUEUE_INVALID_MASK mask
 *		for each queue id in @queue_array_ptr array reports unsuccessful
 *		resume reason.
 *		KFD_DBG_QUEUE_ERROR_MASK = HW failure.
 *		KFD_DBG_QUEUE_INVALID_MASK = queue does not exist.
 */
struct kfd_ioctl_dbg_trap_resume_queues_args {
	__u64 queue_array_ptr;
	__u32 num_queues;
	__u32 pad;
};

/**
 * kfd_ioctl_dbg_trap_set_node_address_watch_args
 *
 *     Arguments for KFD_IOC_DBG_TRAP_SET_NODE_ADDRESS_WATCH
 *     Sets address watch for device.
 *
 *     @address	(IN)  - watch address to set
 *     @mode    (IN)  - see kfd_dbg_trap_address_watch_mode
 *     @mask    (IN)  - watch address mask
 *     @gpu_id  (IN)  - target gpu to set watch point
 *     @id      (OUT) - watch id allocated
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 *		Allocated watch ID returned to @id.
 *	      - ENODEV if gpu_id not found.
 *	      - ENOMEM if watch IDs can be allocated
 */
struct kfd_ioctl_dbg_trap_set_node_address_watch_args {
	__u64 address;
	__u32 mode;
	__u32 mask;
	__u32 gpu_id;
	__u32 id;
};

/**
 * kfd_ioctl_dbg_trap_clear_node_address_watch_args
 *
 *     Arguments for KFD_IOC_DBG_TRAP_CLEAR_NODE_ADDRESS_WATCH
 *     Clear address watch for device.
 *
 *     @gpu_id  (IN)  - target device to clear watch point
 *     @id      (IN) - allocated watch id to clear
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 *	      - ENODEV if gpu_id not found.
 *	      - EINVAL if watch ID has not been allocated.
 */
struct kfd_ioctl_dbg_trap_clear_node_address_watch_args {
	__u32 gpu_id;
	__u32 id;
};

/**
 * kfd_ioctl_dbg_trap_set_flags_args
 *
 *     Arguments for KFD_IOC_DBG_TRAP_SET_FLAGS
 *     Sets flags for wave behaviour.
 *
 *     @flags (IN/OUT) - IN = flags to enable, OUT = flags previously enabled
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 *	      - EACCESS if any debug device does not allow flag options.
 */
struct kfd_ioctl_dbg_trap_set_flags_args {
	__u32 flags;
	__u32 pad;
};

/**
 * kfd_ioctl_dbg_trap_query_debug_event_args
 *
 *     Arguments for KFD_IOC_DBG_TRAP_QUERY_DEBUG_EVENT
 *
 *     Find one or more raised exceptions. This function can return multiple
 *     exceptions from a single queue or a single device with one call. To find
 *     all raised exceptions, this function must be called repeatedly until it
 *     returns -EAGAIN. Returned exceptions can optionally be cleared by
 *     setting the corresponding bit in the @exception_mask input parameter.
 *     However, clearing an exception prevents retrieving further information
 *     about it with KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO.
 *
 *     @exception_mask (IN/OUT) - exception to clear (IN) and raised (OUT)
 *     @gpu_id	       (OUT)    - gpu id of exceptions raised
 *     @queue_id       (OUT)    - queue id of exceptions raised
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on raised exception found
 *              Raised exceptions found are returned in @exception mask
 *              with reported source id returned in @gpu_id or @queue_id.
 *            - EAGAIN if no raised exception has been found
 */
struct kfd_ioctl_dbg_trap_query_debug_event_args {
	__u64 exception_mask;
	__u32 gpu_id;
	__u32 queue_id;
};

/**
 * kfd_ioctl_dbg_trap_query_exception_info_args
 *
 *     Arguments KFD_IOC_DBG_TRAP_QUERY_EXCEPTION_INFO
 *     Get additional info on raised exception.
 *
 *     @info_ptr	(IN)	 - pointer to exception info buffer to copy to
 *     @info_size	(IN/OUT) - exception info buffer size (bytes)
 *     @source_id	(IN)     - target gpu or queue id
 *     @exception_code	(IN)     - target exception
 *     @clear_exception	(IN)     - clear raised @exception_code exception
 *				   (0 = false, 1 = true)
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 *              If @exception_code is EC_DEVICE_MEMORY_VIOLATION, copy @info_size(OUT)
 *		bytes of memory exception data to @info_ptr.
 *              If @exception_code is EC_PROCESS_RUNTIME, copy saved
 *              kfd_runtime_info to @info_ptr.
 *              Actual required @info_ptr size (bytes) is returned in @info_size.
 */
struct kfd_ioctl_dbg_trap_query_exception_info_args {
	__u64 info_ptr;
	__u32 info_size;
	__u32 source_id;
	__u32 exception_code;
	__u32 clear_exception;
};

/**
 * kfd_ioctl_dbg_trap_get_queue_snapshot_args
 *
 *     Arguments KFD_IOC_DBG_TRAP_GET_QUEUE_SNAPSHOT
 *     Get queue information.
 *
 *     @exception_mask	 (IN)	  - exceptions raised to clear
 *     @snapshot_buf_ptr (IN)	  - queue snapshot entry buffer (see kfd_queue_snapshot_entry)
 *     @num_queues	 (IN/OUT) - number of queue snapshot entries
 *         The debugger specifies the size of the array allocated in @num_queues.
 *         KFD returns the number of queues that actually existed. If this is
 *         larger than the size specified by the debugger, KFD will not overflow
 *         the array allocated by the debugger.
 *
 *     @entry_size	 (IN/OUT) - size per entry in bytes
 *         The debugger specifies sizeof(struct kfd_queue_snapshot_entry) in
 *         @entry_size. KFD returns the number of bytes actually populated per
 *         entry. The debugger should use the KFD_IOCTL_MINOR_VERSION to determine,
 *         which fields in struct kfd_queue_snapshot_entry are valid. This allows
 *         growing the ABI in a backwards compatible manner.
 *         Note that entry_size(IN) should still be used to stride the snapshot buffer in the
 *         event that it's larger than actual kfd_queue_snapshot_entry.
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 *              Copies @num_queues(IN) queue snapshot entries of size @entry_size(IN)
 *              into @snapshot_buf_ptr if @num_queues(IN) > 0.
 *              Otherwise return @num_queues(OUT) queue snapshot entries that exist.
 */
struct kfd_ioctl_dbg_trap_queue_snapshot_args {
	__u64 exception_mask;
	__u64 snapshot_buf_ptr;
	__u32 num_queues;
	__u32 entry_size;
};

/**
 * kfd_ioctl_dbg_trap_get_device_snapshot_args
 *
 *     Arguments for KFD_IOC_DBG_TRAP_GET_DEVICE_SNAPSHOT
 *     Get device information.
 *
 *     @exception_mask	 (IN)	  - exceptions raised to clear
 *     @snapshot_buf_ptr (IN)	  - pointer to snapshot buffer (see kfd_dbg_device_info_entry)
 *     @num_devices	 (IN/OUT) - number of debug devices to snapshot
 *         The debugger specifies the size of the array allocated in @num_devices.
 *         KFD returns the number of devices that actually existed. If this is
 *         larger than the size specified by the debugger, KFD will not overflow
 *         the array allocated by the debugger.
 *
 *     @entry_size	 (IN/OUT) - size per entry in bytes
 *         The debugger specifies sizeof(struct kfd_dbg_device_info_entry) in
 *         @entry_size. KFD returns the number of bytes actually populated. The
 *         debugger should use KFD_IOCTL_MINOR_VERSION to determine, which fields
 *         in struct kfd_dbg_device_info_entry are valid. This allows growing the
 *         ABI in a backwards compatible manner.
 *         Note that entry_size(IN) should still be used to stride the snapshot buffer in the
 *         event that it's larger than actual kfd_dbg_device_info_entry.
 *
 *     Generic errors apply (see kfd_dbg_trap_operations).
 *     Return - 0 on SUCCESS.
 *              Copies @num_devices(IN) device snapshot entries of size @entry_size(IN)
 *              into @snapshot_buf_ptr if @num_devices(IN) > 0.
 *              Otherwise return @num_devices(OUT) queue snapshot entries that exist.
 */
struct kfd_ioctl_dbg_trap_device_snapshot_args {
	__u64 exception_mask;
	__u64 snapshot_buf_ptr;
	__u32 num_devices;
	__u32 entry_size;
};

/**
 * kfd_ioctl_dbg_trap_args
 *
 * Arguments to debug target process.
 *
 *     @pid - target process to debug
 *     @op  - debug operation (see kfd_dbg_trap_operations)
 *
 *     @op determines which union struct args to use.
 *     Refer to kern docs for each kfd_ioctl_dbg_trap_*_args struct.
 */
struct kfd_ioctl_dbg_trap_args {
	__u32 pid;
	__u32 op;

union {
		struct kfd_ioctl_dbg_trap_enable_args enable;
		struct kfd_ioctl_dbg_trap_send_runtime_event_args send_runtime_event;
		struct kfd_ioctl_dbg_trap_set_exceptions_enabled_args set_exceptions_enabled;
		struct kfd_ioctl_dbg_trap_set_wave_launch_override_args launch_override;
		struct kfd_ioctl_dbg_trap_set_wave_launch_mode_args launch_mode;
		struct kfd_ioctl_dbg_trap_suspend_queues_args suspend_queues;
		struct kfd_ioctl_dbg_trap_resume_queues_args resume_queues;
		struct kfd_ioctl_dbg_trap_set_node_address_watch_args set_node_address_watch;
		struct kfd_ioctl_dbg_trap_clear_node_address_watch_args clear_node_address_watch;
		struct kfd_ioctl_dbg_trap_set_flags_args set_flags;
		struct kfd_ioctl_dbg_trap_query_debug_event_args query_debug_event;
		struct kfd_ioctl_dbg_trap_query_exception_info_args query_exception_info;
		struct kfd_ioctl_dbg_trap_queue_snapshot_args queue_snapshot;
		struct kfd_ioctl_dbg_trap_device_snapshot_args device_snapshot;
	};
};

#define AMDKFD_IOCTL_BASE 'K'
#define AMDKFD_IO(nr)			_IO(AMDKFD_IOCTL_BASE, nr)
#define AMDKFD_IOR(nr, type)		_IOR(AMDKFD_IOCTL_BASE, nr, type)
#define AMDKFD_IOW(nr, type)		_IOW(AMDKFD_IOCTL_BASE, nr, type)
#define AMDKFD_IOWR(nr, type)		_IOWR(AMDKFD_IOCTL_BASE, nr, type)

#define AMDKFD_IOC_GET_VERSION			\
		AMDKFD_IOR(0x01, struct kfd_ioctl_get_version_args)

#define AMDKFD_IOC_CREATE_QUEUE			\
		AMDKFD_IOWR(0x02, struct kfd_ioctl_create_queue_args)

#define AMDKFD_IOC_DESTROY_QUEUE		\
		AMDKFD_IOWR(0x03, struct kfd_ioctl_destroy_queue_args)

#define AMDKFD_IOC_SET_MEMORY_POLICY		\
		AMDKFD_IOW(0x04, struct kfd_ioctl_set_memory_policy_args)

#define AMDKFD_IOC_GET_CLOCK_COUNTERS		\
		AMDKFD_IOWR(0x05, struct kfd_ioctl_get_clock_counters_args)

#define AMDKFD_IOC_GET_PROCESS_APERTURES	\
		AMDKFD_IOR(0x06, struct kfd_ioctl_get_process_apertures_args)

#define AMDKFD_IOC_UPDATE_QUEUE			\
		AMDKFD_IOW(0x07, struct kfd_ioctl_update_queue_args)

#define AMDKFD_IOC_CREATE_EVENT			\
		AMDKFD_IOWR(0x08, struct kfd_ioctl_create_event_args)

#define AMDKFD_IOC_DESTROY_EVENT		\
		AMDKFD_IOW(0x09, struct kfd_ioctl_destroy_event_args)

#define AMDKFD_IOC_SET_EVENT			\
		AMDKFD_IOW(0x0A, struct kfd_ioctl_set_event_args)

#define AMDKFD_IOC_RESET_EVENT			\
		AMDKFD_IOW(0x0B, struct kfd_ioctl_reset_event_args)

#define AMDKFD_IOC_WAIT_EVENTS			\
		AMDKFD_IOWR(0x0C, struct kfd_ioctl_wait_events_args)

#define AMDKFD_IOC_DBG_REGISTER_DEPRECATED	\
		AMDKFD_IOW(0x0D, struct kfd_ioctl_dbg_register_args)

#define AMDKFD_IOC_DBG_UNREGISTER_DEPRECATED	\
		AMDKFD_IOW(0x0E, struct kfd_ioctl_dbg_unregister_args)

#define AMDKFD_IOC_DBG_ADDRESS_WATCH_DEPRECATED	\
		AMDKFD_IOW(0x0F, struct kfd_ioctl_dbg_address_watch_args)

#define AMDKFD_IOC_DBG_WAVE_CONTROL_DEPRECATED	\
		AMDKFD_IOW(0x10, struct kfd_ioctl_dbg_wave_control_args)

#define AMDKFD_IOC_SET_SCRATCH_BACKING_VA	\
		AMDKFD_IOWR(0x11, struct kfd_ioctl_set_scratch_backing_va_args)

#define AMDKFD_IOC_GET_TILE_CONFIG                                      \
		AMDKFD_IOWR(0x12, struct kfd_ioctl_get_tile_config_args)

#define AMDKFD_IOC_SET_TRAP_HANDLER		\
		AMDKFD_IOW(0x13, struct kfd_ioctl_set_trap_handler_args)

#define AMDKFD_IOC_GET_PROCESS_APERTURES_NEW	\
		AMDKFD_IOWR(0x14,		\
			struct kfd_ioctl_get_process_apertures_new_args)

#define AMDKFD_IOC_ACQUIRE_VM			\
		AMDKFD_IOW(0x15, struct kfd_ioctl_acquire_vm_args)

#define AMDKFD_IOC_ALLOC_MEMORY_OF_GPU		\
		AMDKFD_IOWR(0x16, struct kfd_ioctl_alloc_memory_of_gpu_args)

#define AMDKFD_IOC_FREE_MEMORY_OF_GPU		\
		AMDKFD_IOW(0x17, struct kfd_ioctl_free_memory_of_gpu_args)

#define AMDKFD_IOC_MAP_MEMORY_TO_GPU		\
		AMDKFD_IOWR(0x18, struct kfd_ioctl_map_memory_to_gpu_args)

#define AMDKFD_IOC_UNMAP_MEMORY_FROM_GPU	\
		AMDKFD_IOWR(0x19, struct kfd_ioctl_unmap_memory_from_gpu_args)

#define AMDKFD_IOC_SET_CU_MASK		\
		AMDKFD_IOW(0x1A, struct kfd_ioctl_set_cu_mask_args)

#define AMDKFD_IOC_GET_QUEUE_WAVE_STATE		\
		AMDKFD_IOWR(0x1B, struct kfd_ioctl_get_queue_wave_state_args)

#define AMDKFD_IOC_GET_DMABUF_INFO		\
		AMDKFD_IOWR(0x1C, struct kfd_ioctl_get_dmabuf_info_args)

#define AMDKFD_IOC_IMPORT_DMABUF		\
		AMDKFD_IOWR(0x1D, struct kfd_ioctl_import_dmabuf_args)

#define AMDKFD_IOC_ALLOC_QUEUE_GWS		\
		AMDKFD_IOWR(0x1E, struct kfd_ioctl_alloc_queue_gws_args)

#define AMDKFD_IOC_SMI_EVENTS			\
		AMDKFD_IOWR(0x1F, struct kfd_ioctl_smi_events_args)

#define AMDKFD_IOC_SVM	AMDKFD_IOWR(0x20, struct kfd_ioctl_svm_args)

#define AMDKFD_IOC_SET_XNACK_MODE		\
		AMDKFD_IOWR(0x21, struct kfd_ioctl_set_xnack_mode_args)

#define AMDKFD_IOC_CRIU_OP			\
		AMDKFD_IOWR(0x22, struct kfd_ioctl_criu_args)

#define AMDKFD_IOC_AVAILABLE_MEMORY		\
		AMDKFD_IOWR(0x23, struct kfd_ioctl_get_available_memory_args)

#define AMDKFD_IOC_EXPORT_DMABUF		\
		AMDKFD_IOWR(0x24, struct kfd_ioctl_export_dmabuf_args)

#define AMDKFD_IOC_RUNTIME_ENABLE		\
		AMDKFD_IOWR(0x25, struct kfd_ioctl_runtime_enable_args)

#define AMDKFD_IOC_DBG_TRAP			\
		AMDKFD_IOWR(0x26, struct kfd_ioctl_dbg_trap_args)

#define AMDKFD_COMMAND_START		0x01
#define AMDKFD_COMMAND_END		0x27

#endif

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