/*
* 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 0 x3474ab6c
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[];
};
/*
* GRU configuration info ( temp - for testing )
*/
struct gru_config_info {
int cpus;
int blades;
int nodes;
int chiplets;
int fill[16 ];
};
#endif /* __GRULIB_H__ */
Messung V0.5 in Prozent C=88 H=100 G=94
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-09-27)
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