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s390x/kvm: diag288 instruction interception and handling

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Intercept the diag288 requests from kvm guests, and hand the
requested command to the diag288 watchdog device for further
handling.

Signed-off-by: Xu Wang <gesaint@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Xu Wang 2015-06-11 13:55:26 +02:00 • committed by Christian Borntraeger
parent 188f24c2c1
commit 8fc639af4b
3 changed files with 48 additions and 0 deletions
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1
target-s390x/cpu.h
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@ -1100,6 +1100,7 @@ uint32_t set_cc_nz_f128(float128 v);
/* misc_helper.c */
#ifndef CONFIG_USER_ONLY
int handle_diag_288(CPUS390XState *env, uint64_t r1, uint64_t r3);
void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3);
#endif
void program_interrupt(CPUS390XState *env, uint32_t code, int ilen);