xref: /OK3568_Linux_fs/kernel/arch/mips/include/asm/mips_mt.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Definitions and declarations for MIPS MT support that are common between
4*4882a593Smuzhiyun  * the VSMP, and AP/SP kernel models.
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun #ifndef __ASM_MIPS_MT_H
7*4882a593Smuzhiyun #define __ASM_MIPS_MT_H
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <linux/cpumask.h>
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /*
12*4882a593Smuzhiyun  * How many VPEs and TCs is Linux allowed to use?  0 means no limit.
13*4882a593Smuzhiyun  */
14*4882a593Smuzhiyun extern int tclimit;
15*4882a593Smuzhiyun extern int vpelimit;
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun extern cpumask_t mt_fpu_cpumask;
18*4882a593Smuzhiyun extern unsigned long mt_fpemul_threshold;
19*4882a593Smuzhiyun 
20*4882a593Smuzhiyun extern void mips_mt_regdump(unsigned long previous_mvpcontrol_value);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #ifdef CONFIG_MIPS_MT
23*4882a593Smuzhiyun extern void mips_mt_set_cpuoptions(void);
24*4882a593Smuzhiyun #else
mips_mt_set_cpuoptions(void)25*4882a593Smuzhiyun static inline void mips_mt_set_cpuoptions(void) { }
26*4882a593Smuzhiyun #endif
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun struct class;
29*4882a593Smuzhiyun extern struct class *mt_class;
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #endif /* __ASM_MIPS_MT_H */
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