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| author | Konstantin Belousov <kib@FreeBSD.org> | 2021-08-02 19:52:26 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2021-08-05 15:46:37 +0000 |
| commit | d0bc4b466683d17b84f9acafe4c3cc746f860dbf (patch) | |
| tree | 0d524368fde72f934c4751c5b9194896b15b1ae4 /sys/x86/include | |
| parent | 245ec7651e4221043d1032fb3f82f335dc65fc7f (diff) | |
| download | src-d0bc4b466683d17b84f9acafe4c3cc746f860dbf.tar.gz src-d0bc4b466683d17b84f9acafe4c3cc746f860dbf.zip | |
x86_msr_op: extend the KPI to allow MSR read and single-CPU operations
Reivewed by: markj
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D31386
Diffstat (limited to 'sys/x86/include')
| -rw-r--r-- | sys/x86/include/x86_var.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/sys/x86/include/x86_var.h b/sys/x86/include/x86_var.h index 983c353327fd..0fdff68638cf 100644 --- a/sys/x86/include/x86_var.h +++ b/sys/x86/include/x86_var.h @@ -154,12 +154,24 @@ int user_dbreg_trap(register_t dr6); int minidumpsys(struct dumperinfo *); struct pcb *get_pcb_td(struct thread *td); +/* + * MSR ops for x86_msr_op() + */ #define MSR_OP_ANDNOT 0x00000001 #define MSR_OP_OR 0x00000002 #define MSR_OP_WRITE 0x00000003 +#define MSR_OP_READ 0x00000004 + +/* + * Where and which execution mode + */ #define MSR_OP_LOCAL 0x10000000 -#define MSR_OP_SCHED 0x20000000 -#define MSR_OP_RENDEZVOUS 0x30000000 -void x86_msr_op(u_int msr, u_int op, uint64_t arg1); +#define MSR_OP_SCHED_ALL 0x20000000 +#define MSR_OP_SCHED_ONE 0x30000000 +#define MSR_OP_RENDEZVOUS_ALL 0x40000000 +#define MSR_OP_RENDEZVOUS_ONE 0x50000000 +#define MSR_OP_CPUID(id) ((id) << 8) + +void x86_msr_op(u_int msr, u_int op, uint64_t arg1, uint64_t *res); #endif |