mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 10:06:48 +07:00
5958ab88f7
Update the TLB dropin statistics kept for each GRU context. Count TLB dropins separate from the misses - some misses do not result in a TLB dropin. Some of the diagnostics need both counts. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
154 lines
3.9 KiB
C
154 lines
3.9 KiB
C
/*
|
|
* Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved.
|
|
*
|
|
* This program 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 program 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 program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef __GRULIB_H__
|
|
#define __GRULIB_H__
|
|
|
|
#define GRU_BASENAME "gru"
|
|
#define GRU_FULLNAME "/dev/gru"
|
|
#define GRU_IOCTL_NUM 'G'
|
|
|
|
/*
|
|
* Maximum number of GRU segments that a user can have open
|
|
* ZZZ temp - set high for testing. Revisit.
|
|
*/
|
|
#define GRU_MAX_OPEN_CONTEXTS 32
|
|
|
|
/* Set Number of Request Blocks */
|
|
#define GRU_CREATE_CONTEXT _IOWR(GRU_IOCTL_NUM, 1, void *)
|
|
|
|
/* Set Context Options */
|
|
#define GRU_SET_CONTEXT_OPTION _IOWR(GRU_IOCTL_NUM, 4, void *)
|
|
|
|
/* Fetch exception detail */
|
|
#define GRU_USER_GET_EXCEPTION_DETAIL _IOWR(GRU_IOCTL_NUM, 6, void *)
|
|
|
|
/* For user call_os handling - normally a TLB fault */
|
|
#define GRU_USER_CALL_OS _IOWR(GRU_IOCTL_NUM, 8, void *)
|
|
|
|
/* For user unload context */
|
|
#define GRU_USER_UNLOAD_CONTEXT _IOWR(GRU_IOCTL_NUM, 9, void *)
|
|
|
|
/* For dumpping GRU chiplet state */
|
|
#define GRU_DUMP_CHIPLET_STATE _IOWR(GRU_IOCTL_NUM, 11, void *)
|
|
|
|
/* For getting gseg statistics */
|
|
#define GRU_GET_GSEG_STATISTICS _IOWR(GRU_IOCTL_NUM, 12, void *)
|
|
|
|
/* For user TLB flushing (primarily for tests) */
|
|
#define GRU_USER_FLUSH_TLB _IOWR(GRU_IOCTL_NUM, 50, void *)
|
|
|
|
/* Get some config options (primarily for tests & emulator) */
|
|
#define GRU_GET_CONFIG_INFO _IOWR(GRU_IOCTL_NUM, 51, void *)
|
|
|
|
/* Various kernel self-tests */
|
|
#define GRU_KTEST _IOWR(GRU_IOCTL_NUM, 52, void *)
|
|
|
|
#define CONTEXT_WINDOW_BYTES(th) (GRU_GSEG_PAGESIZE * (th))
|
|
#define THREAD_POINTER(p, th) (p + GRU_GSEG_PAGESIZE * (th))
|
|
#define GSEG_START(cb) ((void *)((unsigned long)(cb) & ~(GRU_GSEG_PAGESIZE - 1)))
|
|
|
|
struct gru_get_gseg_statistics_req {
|
|
unsigned long gseg;
|
|
struct gru_gseg_statistics stats;
|
|
};
|
|
|
|
/*
|
|
* Structure used to pass TLB flush parameters to the driver
|
|
*/
|
|
struct gru_create_context_req {
|
|
unsigned long gseg;
|
|
unsigned int data_segment_bytes;
|
|
unsigned int control_blocks;
|
|
unsigned int maximum_thread_count;
|
|
unsigned int options;
|
|
unsigned char tlb_preload_count;
|
|
};
|
|
|
|
/*
|
|
* Structure used to pass unload context parameters to the driver
|
|
*/
|
|
struct gru_unload_context_req {
|
|
unsigned long gseg;
|
|
};
|
|
|
|
/*
|
|
* Structure used to set context options
|
|
*/
|
|
enum {sco_gseg_owner, sco_cch_req_slice, sco_blade_chiplet};
|
|
struct gru_set_context_option_req {
|
|
unsigned long gseg;
|
|
int op;
|
|
int val0;
|
|
long val1;
|
|
};
|
|
|
|
/*
|
|
* Structure used to pass TLB flush parameters to the driver
|
|
*/
|
|
struct gru_flush_tlb_req {
|
|
unsigned long gseg;
|
|
unsigned long vaddr;
|
|
size_t len;
|
|
};
|
|
|
|
/*
|
|
* Structure used to pass TLB flush parameters to the driver
|
|
*/
|
|
enum {dcs_pid, dcs_gid};
|
|
struct gru_dump_chiplet_state_req {
|
|
unsigned int op;
|
|
unsigned int gid;
|
|
int ctxnum;
|
|
char data_opt;
|
|
char lock_cch;
|
|
char flush_cbrs;
|
|
char fill[10];
|
|
pid_t pid;
|
|
void *buf;
|
|
size_t buflen;
|
|
/* ---- output --- */
|
|
unsigned int num_contexts;
|
|
};
|
|
|
|
#define GRU_DUMP_MAGIC 0x3474ab6c
|
|
struct gru_dump_context_header {
|
|
unsigned int magic;
|
|
unsigned int gid;
|
|
unsigned char ctxnum;
|
|
unsigned char cbrcnt;
|
|
unsigned char dsrcnt;
|
|
pid_t pid;
|
|
unsigned long vaddr;
|
|
int cch_locked;
|
|
unsigned long data[0];
|
|
};
|
|
|
|
/*
|
|
* GRU configuration info (temp - for testing)
|
|
*/
|
|
struct gru_config_info {
|
|
int cpus;
|
|
int blades;
|
|
int nodes;
|
|
int chiplets;
|
|
int fill[16];
|
|
};
|
|
|
|
#endif /* __GRULIB_H__ */
|