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Merge branch 's390forkvm' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into features 

Pull cpacf changes for KVM from Jason Herne:

Add query support for the KMA instruction.
This commit is contained in:
Martin Schwidefsky 2017-04-27 07:29:40 +02:00
parent 284c43e6af 152c1c8d60
commit d0790fb6e5
1 changed files with 3 additions and 2 deletions
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5
arch/s390/include/asm/cpacf.h
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@ -26,6 +26,7 @@
#define CPACF_PCC 0xb92c /* MSA4 */
#define CPACF_KMCTR 0xb92d /* MSA4 */
#define CPACF_PRNO 0xb93c /* MSA5 */
#define CPACF_KMA 0xb929 /* MSA8 */
/*
* En/decryption modifier bits
@ -151,8 +152,8 @@ static inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
asm volatile(
" spm 0\n" /* pckmo doesn't change the cc */
/* Parameter registers are ignored, but may not be 0 */
"0: .insn rrf,%[opc] << 16,2,2,2,0\n"
/* Parameter regs are ignored, but must be nonzero and unique */
"0: .insn rrf,%[opc] << 16,2,4,6,0\n"
" brc 1,0b\n" /* handle partial completion */
: "=m" (*mask)
: [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (opcode)