diff options
| author | Janosch Frank <frankja@linux.ibm.com> | 2020-03-19 09:19:12 -0400 |
|---|---|---|
| committer | Cornelia Huck <cohuck@redhat.com> | 2020-04-29 14:31:31 +0200 |
| commit | 1cca8265499d394d9ed4bfb75bd6e7265b529f89 (patch) | |
| tree | aa1e89223c0b83e4aac515052c76d9e26637371d /target/s390x/cpu.h | |
| parent | 2585e507ffa1da01b57dbea26b1e1fe507d27198 (diff) | |
s390x: Add SIDA memory ops
Protected guests save the instruction control blocks in the SIDA
instead of QEMU/KVM directly accessing the guest's memory.
Let's introduce new functions to access the SIDA.
The memops for doing so are available with KVM_CAP_S390_PROTECTED, so
let's check for that.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200319131921.2367-8-frankja@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'target/s390x/cpu.h')
| -rw-r--r-- | target/s390x/cpu.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 1d17709d6e..035427521c 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -823,7 +823,12 @@ int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf, #define s390_cpu_virt_mem_check_write(cpu, laddr, ar, len) \ s390_cpu_virt_mem_rw(cpu, laddr, ar, NULL, len, true) void s390_cpu_virt_mem_handle_exc(S390CPU *cpu, uintptr_t ra); - +int s390_cpu_pv_mem_rw(S390CPU *cpu, unsigned int offset, void *hostbuf, + int len, bool is_write); +#define s390_cpu_pv_mem_read(cpu, offset, dest, len) \ + s390_cpu_pv_mem_rw(cpu, offset, dest, len, false) +#define s390_cpu_pv_mem_write(cpu, offset, dest, len) \ + s390_cpu_pv_mem_rw(cpu, offset, dest, len, true) /* sigp.c */ int s390_cpu_restart(S390CPU *cpu); |