fbc1384ccd
linux/kvm.h is not available on all platforms. Let us move
s390_machine_inject_pv_error into pv.c as it uses KVM structures.
Also rename the function to s390_pv_inject_reset_error.
While at it, ipl.h needs an include for "exec/address-spaces.h"
as it uses address_space_memory.
Fixes: c3347ed0d2 ("s390x: protvirt: Support unpack facility")
Reported-by: Bruce Rogers <brogers@suse.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Message-Id: <20200406100158.5940-2-borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
114 lines
2.6 KiB
C
114 lines
2.6 KiB
C
/*
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* Protected Virtualization functions
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*
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* Copyright IBM Corp. 2020
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* Author(s):
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* Janosch Frank <frankja@linux.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or (at
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* your option) any later version. See the COPYING file in the top-level
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* directory.
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*/
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#include "qemu/osdep.h"
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#include <linux/kvm.h>
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#include "cpu.h"
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#include "qemu/error-report.h"
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#include "sysemu/kvm.h"
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#include "hw/s390x/ipl.h"
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#include "hw/s390x/pv.h"
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static int __s390_pv_cmd(uint32_t cmd, const char *cmdname, void *data)
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{
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struct kvm_pv_cmd pv_cmd = {
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.cmd = cmd,
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.data = (uint64_t)data,
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};
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int rc;
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do {
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rc = kvm_vm_ioctl(kvm_state, KVM_S390_PV_COMMAND, &pv_cmd);
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} while (rc == -EINTR);
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if (rc) {
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error_report("KVM PV command %d (%s) failed: header rc %x rrc %x "
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"IOCTL rc: %d", cmd, cmdname, pv_cmd.rc, pv_cmd.rrc,
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rc);
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}
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return rc;
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}
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/*
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* This macro lets us pass the command as a string to the function so
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* we can print it on an error.
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*/
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#define s390_pv_cmd(cmd, data) __s390_pv_cmd(cmd, #cmd, data);
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#define s390_pv_cmd_exit(cmd, data) \
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{ \
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int rc; \
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\
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rc = __s390_pv_cmd(cmd, #cmd, data);\
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if (rc) { \
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exit(1); \
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} \
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}
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int s390_pv_vm_enable(void)
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{
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return s390_pv_cmd(KVM_PV_ENABLE, NULL);
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}
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void s390_pv_vm_disable(void)
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{
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s390_pv_cmd_exit(KVM_PV_DISABLE, NULL);
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}
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int s390_pv_set_sec_parms(uint64_t origin, uint64_t length)
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{
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struct kvm_s390_pv_sec_parm args = {
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.origin = origin,
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.length = length,
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};
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return s390_pv_cmd(KVM_PV_SET_SEC_PARMS, &args);
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}
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/*
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* Called for each component in the SE type IPL parameter block 0.
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*/
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int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak)
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{
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struct kvm_s390_pv_unp args = {
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.addr = addr,
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.size = size,
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.tweak = tweak,
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};
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return s390_pv_cmd(KVM_PV_UNPACK, &args);
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}
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void s390_pv_perf_clear_reset(void)
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{
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s390_pv_cmd_exit(KVM_PV_PREP_RESET, NULL);
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}
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int s390_pv_verify(void)
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{
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return s390_pv_cmd(KVM_PV_VERIFY, NULL);
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}
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void s390_pv_unshare(void)
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{
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s390_pv_cmd_exit(KVM_PV_UNSHARE_ALL, NULL);
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}
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void s390_pv_inject_reset_error(CPUState *cs)
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{
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int r1 = (cs->kvm_run->s390_sieic.ipa & 0x00f0) >> 4;
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CPUS390XState *env = &S390_CPU(cs)->env;
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/* Report that we are unable to enter protected mode */
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env->regs[r1 + 1] = DIAG_308_RC_INVAL_FOR_PV;
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}
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