#include "cpu.h"
#include "internal.h"
#include "kvm_s390x.h"
+#include "qapi/error.h"
#include "qemu/error-report.h"
#include "qemu/timer.h"
#include "sysemu/sysemu.h"
#include "sysemu/hw_accel.h"
#include "hw/hw.h"
#include "sysemu/device_tree.h"
-#include "qapi/qmp/qjson.h"
#include "exec/gdbstub.h"
#include "exec/address-spaces.h"
#include "trace.h"
-#include "qapi-event.h"
#include "hw/s390x/s390-pci-inst.h"
#include "hw/s390x/s390-pci-bus.h"
#include "hw/s390x/ipl.h"
if (DEBUG_KVM) { \
fprintf(stderr, fmt, ## __VA_ARGS__); \
} \
-} while (0);
+} while (0)
#define kvm_vm_check_mem_attr(s, attr) \
kvm_vm_check_attr(s, KVM_S390_VM_MEM_CTRL, attr)
static int active_cmma;
-static void *legacy_s390_alloc(size_t size, uint64_t *align);
+static void *legacy_s390_alloc(size_t size, uint64_t *align, bool shared);
static int kvm_s390_query_mem_limit(uint64_t *memory_limit)
{
cs->kvm_run->kvm_dirty_regs |= KVM_SYNC_GSCB;
}
+ if (can_sync_regs(cs, KVM_SYNC_BPBC)) {
+ cs->kvm_run->s.regs.bpbc = env->bpbc;
+ cs->kvm_run->kvm_dirty_regs |= KVM_SYNC_BPBC;
+ }
+
/* Finally the prefix */
if (can_sync_regs(cs, KVM_SYNC_PREFIX)) {
cs->kvm_run->s.regs.prefix = env->psa;
memcpy(env->gscb, cs->kvm_run->s.regs.gscb, 32);
}
+ if (can_sync_regs(cs, KVM_SYNC_BPBC)) {
+ env->bpbc = cs->kvm_run->s.regs.bpbc;
+ }
+
/* pfault parameters */
if (can_sync_regs(cs, KVM_SYNC_PFAULT)) {
env->pfault_token = cs->kvm_run->s.regs.pft;
* to grow. We also have to use MAP parameters that avoid
* read-only mapping of guest pages.
*/
-static void *legacy_s390_alloc(size_t size, uint64_t *align)
+static void *legacy_s390_alloc(size_t size, uint64_t *align, bool shared)
{
void *mem;
inject_vcpu_irq_legacy(cs, irq);
}
-static void __kvm_s390_floating_interrupt(struct kvm_s390_irq *irq)
+void kvm_s390_floating_interrupt_legacy(struct kvm_s390_irq *irq)
{
struct kvm_s390_interrupt kvmint = {};
int r;
}
}
-void kvm_s390_floating_interrupt(struct kvm_s390_irq *irq)
-{
- static bool use_flic = true;
- int r;
-
- if (use_flic) {
- r = kvm_s390_inject_flic(irq);
- if (r == -ENOSYS) {
- use_flic = false;
- }
- if (!r) {
- return;
- }
- }
- __kvm_s390_floating_interrupt(irq);
-}
-
-void kvm_s390_service_interrupt(uint32_t parm)
-{
- struct kvm_s390_irq irq = {
- .type = KVM_S390_INT_SERVICE,
- .u.ext.ext_params = parm,
- };
-
- kvm_s390_floating_interrupt(&irq);
-}
-
void kvm_s390_program_interrupt(S390CPU *cpu, uint16_t code)
{
struct kvm_s390_irq irq = {
uint32_t code;
int r = 0;
- cpu_synchronize_state(CPU(cpu));
sccb = env->regs[ipbh0 & 0xf];
code = env->regs[(ipbh0 & 0xf0) >> 4];
int rc = 0;
uint16_t ipbh0 = (run->s390_sieic.ipb & 0xffff0000) >> 16;
- cpu_synchronize_state(CPU(cpu));
-
switch (ipa1) {
case PRIV_B2_XSCH:
- ioinst_handle_xsch(cpu, env->regs[1]);
+ ioinst_handle_xsch(cpu, env->regs[1], RA_IGNORED);
break;
case PRIV_B2_CSCH:
- ioinst_handle_csch(cpu, env->regs[1]);
+ ioinst_handle_csch(cpu, env->regs[1], RA_IGNORED);
break;
case PRIV_B2_HSCH:
- ioinst_handle_hsch(cpu, env->regs[1]);
+ ioinst_handle_hsch(cpu, env->regs[1], RA_IGNORED);
break;
case PRIV_B2_MSCH:
- ioinst_handle_msch(cpu, env->regs[1], run->s390_sieic.ipb);
+ ioinst_handle_msch(cpu, env->regs[1], run->s390_sieic.ipb, RA_IGNORED);
break;
case PRIV_B2_SSCH:
- ioinst_handle_ssch(cpu, env->regs[1], run->s390_sieic.ipb);
+ ioinst_handle_ssch(cpu, env->regs[1], run->s390_sieic.ipb, RA_IGNORED);
break;
case PRIV_B2_STCRW:
- ioinst_handle_stcrw(cpu, run->s390_sieic.ipb);
+ ioinst_handle_stcrw(cpu, run->s390_sieic.ipb, RA_IGNORED);
break;
case PRIV_B2_STSCH:
- ioinst_handle_stsch(cpu, env->regs[1], run->s390_sieic.ipb);
+ ioinst_handle_stsch(cpu, env->regs[1], run->s390_sieic.ipb, RA_IGNORED);
break;
case PRIV_B2_TSCH:
/* We should only get tsch via KVM_EXIT_S390_TSCH. */
fprintf(stderr, "Spurious tsch intercept\n");
break;
case PRIV_B2_CHSC:
- ioinst_handle_chsc(cpu, run->s390_sieic.ipb);
+ ioinst_handle_chsc(cpu, run->s390_sieic.ipb, RA_IGNORED);
break;
case PRIV_B2_TPI:
/* This should have been handled by kvm already. */
break;
case PRIV_B2_SCHM:
ioinst_handle_schm(cpu, env->regs[1], env->regs[2],
- run->s390_sieic.ipb);
+ run->s390_sieic.ipb, RA_IGNORED);
break;
case PRIV_B2_RSCH:
- ioinst_handle_rsch(cpu, env->regs[1]);
+ ioinst_handle_rsch(cpu, env->regs[1], RA_IGNORED);
break;
case PRIV_B2_RCHP:
- ioinst_handle_rchp(cpu, env->regs[1]);
+ ioinst_handle_rchp(cpu, env->regs[1], RA_IGNORED);
break;
case PRIV_B2_STCPS:
/* We do not provide this instruction, it is suppressed. */
break;
case PRIV_B2_SAL:
- ioinst_handle_sal(cpu, env->regs[1]);
+ ioinst_handle_sal(cpu, env->regs[1], RA_IGNORED);
break;
case PRIV_B2_SIGA:
/* Not provided, set CC = 3 for subchannel not operational */
uint8_t r2 = (run->s390_sieic.ipb & 0x000f0000) >> 16;
if (s390_has_feat(S390_FEAT_ZPCI)) {
- return clp_service_call(cpu, r2);
+ return clp_service_call(cpu, r2, RA_IGNORED);
} else {
return -1;
}
uint8_t r2 = (run->s390_sieic.ipb & 0x000f0000) >> 16;
if (s390_has_feat(S390_FEAT_ZPCI)) {
- return pcilg_service_call(cpu, r1, r2);
+ return pcilg_service_call(cpu, r1, r2, RA_IGNORED);
} else {
return -1;
}
uint8_t r2 = (run->s390_sieic.ipb & 0x000f0000) >> 16;
if (s390_has_feat(S390_FEAT_ZPCI)) {
- return pcistg_service_call(cpu, r1, r2);
+ return pcistg_service_call(cpu, r1, r2, RA_IGNORED);
} else {
return -1;
}
uint8_t ar;
if (s390_has_feat(S390_FEAT_ZPCI)) {
- cpu_synchronize_state(CPU(cpu));
fiba = get_base_disp_rxy(cpu, run, &ar);
- return stpcifc_service_call(cpu, r1, fiba, ar);
+ return stpcifc_service_call(cpu, r1, fiba, ar, RA_IGNORED);
} else {
return -1;
}
uint16_t mode;
int r;
- cpu_synchronize_state(CPU(cpu));
mode = env->regs[r1] & 0xffff;
isc = (env->regs[r3] >> 27) & 0x7;
r = css_do_sic(env, isc, mode);
uint8_t r2 = (run->s390_sieic.ipb & 0x000f0000) >> 16;
if (s390_has_feat(S390_FEAT_ZPCI)) {
- return rpcit_service_call(cpu, r1, r2);
+ return rpcit_service_call(cpu, r1, r2, RA_IGNORED);
} else {
return -1;
}
uint8_t ar;
if (s390_has_feat(S390_FEAT_ZPCI)) {
- cpu_synchronize_state(CPU(cpu));
gaddr = get_base_disp_rsy(cpu, run, &ar);
- return pcistb_service_call(cpu, r1, r3, gaddr, ar);
+ return pcistb_service_call(cpu, r1, r3, gaddr, ar, RA_IGNORED);
} else {
return -1;
}
uint8_t ar;
if (s390_has_feat(S390_FEAT_ZPCI)) {
- cpu_synchronize_state(CPU(cpu));
fiba = get_base_disp_rxy(cpu, run, &ar);
- return mpcifc_service_call(cpu, r1, fiba, ar);
+ return mpcifc_service_call(cpu, r1, fiba, ar, RA_IGNORED);
} else {
return -1;
}
CPUS390XState *env = &cpu->env;
int ret;
- cpu_synchronize_state(CPU(cpu));
ret = s390_virtio_hypercall(env);
if (ret == -EINVAL) {
kvm_s390_program_interrupt(cpu, PGM_SPECIFICATION);
uint64_t r1, r3;
int rc;
- cpu_synchronize_state(CPU(cpu));
r1 = (run->s390_sieic.ipa & 0x00f0) >> 4;
r3 = run->s390_sieic.ipa & 0x000f;
rc = handle_diag_288(&cpu->env, r1, r3);
{
uint64_t r1, r3;
- cpu_synchronize_state(CPU(cpu));
r1 = (run->s390_sieic.ipa & 0x00f0) >> 4;
r3 = run->s390_sieic.ipa & 0x000f;
- handle_diag_308(&cpu->env, r1, r3);
+ handle_diag_308(&cpu->env, r1, r3, RA_IGNORED);
}
static int handle_sw_breakpoint(S390CPU *cpu, struct kvm_run *run)
CPUS390XState *env = &cpu->env;
unsigned long pc;
- cpu_synchronize_state(CPU(cpu));
-
pc = env->psw.addr - sw_bp_ilen;
if (kvm_find_sw_breakpoint(CPU(cpu), pc)) {
env->psw.addr = pc;
int ret;
uint8_t order;
- cpu_synchronize_state(CPU(cpu));
-
/* get order code */
order = decode_basedisp_rs(env, ipb, NULL) & SIGP_ORDER_MASK;
return r;
}
-static void unmanageable_intercept(S390CPU *cpu, const char *str, int pswoffset)
+static void unmanageable_intercept(S390CPU *cpu, S390CrashReason reason,
+ int pswoffset)
{
CPUState *cs = CPU(cpu);
- error_report("Unmanageable %s! CPU%i new PSW: 0x%016lx:%016lx",
- str, cs->cpu_index, ldq_phys(cs->as, cpu->env.psa + pswoffset),
- ldq_phys(cs->as, cpu->env.psa + pswoffset + 8));
s390_cpu_halt(cpu);
- qemu_system_guest_panicked(NULL);
+ cpu->env.crash_reason = reason;
+ qemu_system_guest_panicked(cpu_get_crash_info(cs));
}
/* try to detect pgm check loops */
CPUState *cs = CPU(cpu);
PSW oldpsw, newpsw;
- cpu_synchronize_state(cs);
newpsw.mask = ldq_phys(cs->as, cpu->env.psa +
offsetof(LowCore, program_new_psw));
newpsw.addr = ldq_phys(cs->as, cpu->env.psa +
!(oldpsw.mask & PSW_MASK_PSTATE) &&
(newpsw.mask & PSW_MASK_ASC) == (oldpsw.mask & PSW_MASK_ASC) &&
(newpsw.mask & PSW_MASK_DAT) == (oldpsw.mask & PSW_MASK_DAT)) {
- unmanageable_intercept(cpu, "operation exception loop",
+ unmanageable_intercept(cpu, S390_CRASH_REASON_OPINT_LOOP,
offsetof(LowCore, program_new_psw));
return EXCP_HALTED;
}
r = handle_instruction(cpu, run);
break;
case ICPT_PROGRAM:
- unmanageable_intercept(cpu, "program interrupt",
+ unmanageable_intercept(cpu, S390_CRASH_REASON_PGMINT_LOOP,
offsetof(LowCore, program_new_psw));
r = EXCP_HALTED;
break;
case ICPT_EXT_INT:
- unmanageable_intercept(cpu, "external interrupt",
+ unmanageable_intercept(cpu, S390_CRASH_REASON_EXTINT_LOOP,
offsetof(LowCore, external_new_psw));
r = EXCP_HALTED;
break;
case ICPT_WAITPSW:
/* disabled wait, since enabled wait is handled in kernel */
- cpu_synchronize_state(cs);
s390_handle_wait(cpu);
r = EXCP_HALTED;
break;
struct kvm_run *run = cs->kvm_run;
int ret;
- cpu_synchronize_state(cs);
-
- ret = ioinst_handle_tsch(cpu, cpu->env.regs[1], run->s390_tsch.ipb);
+ ret = ioinst_handle_tsch(cpu, cpu->env.regs[1], run->s390_tsch.ipb,
+ RA_IGNORED);
if (ret < 0) {
/*
* Failure.
* If an I/O interrupt had been dequeued, we have to reinject it.
*/
if (run->s390_tsch.dequeued) {
- kvm_s390_io_interrupt(run->s390_tsch.subchannel_id,
- run->s390_tsch.subchannel_nr,
- run->s390_tsch.io_int_parm,
- run->s390_tsch.io_int_word);
+ s390_io_interrupt(run->s390_tsch.subchannel_id,
+ run->s390_tsch.subchannel_nr,
+ run->s390_tsch.io_int_parm,
+ run->s390_tsch.io_int_word);
}
ret = 0;
}
static void insert_stsi_3_2_2(S390CPU *cpu, __u64 addr, uint8_t ar)
{
- struct sysib_322 sysib;
+ SysIB_322 sysib;
int del;
if (s390_cpu_virt_mem_read(cpu, addr, ar, &sysib, sizeof(sysib))) {
qemu_mutex_lock_iothread();
+ kvm_cpu_synchronize_state(cs);
+
switch (run->exit_reason) {
case KVM_EXIT_S390_SIEIC:
ret = handle_intercept(cpu);
return true;
}
-void kvm_s390_io_interrupt(uint16_t subchannel_id,
- uint16_t subchannel_nr, uint32_t io_int_parm,
- uint32_t io_int_word)
-{
- struct kvm_s390_irq irq = {
- .u.io.subchannel_id = subchannel_id,
- .u.io.subchannel_nr = subchannel_nr,
- .u.io.io_int_parm = io_int_parm,
- .u.io.io_int_word = io_int_word,
- };
-
- if (io_int_word & IO_INT_WORD_AI) {
- irq.type = KVM_S390_INT_IO(1, 0, 0, 0);
- } else {
- irq.type = KVM_S390_INT_IO(0, (subchannel_id & 0xff00) >> 8,
- (subchannel_id & 0x0006),
- subchannel_nr);
- }
- kvm_s390_floating_interrupt(&irq);
-}
-
-static uint64_t build_channel_report_mcic(void)
-{
- uint64_t mcic;
-
- /* subclass: indicate channel report pending */
- mcic = MCIC_SC_CP |
- /* subclass modifiers: none */
- /* storage errors: none */
- /* validity bits: no damage */
- MCIC_VB_WP | MCIC_VB_MS | MCIC_VB_PM | MCIC_VB_IA | MCIC_VB_FP |
- MCIC_VB_GR | MCIC_VB_CR | MCIC_VB_ST | MCIC_VB_AR | MCIC_VB_PR |
- MCIC_VB_FC | MCIC_VB_CT | MCIC_VB_CC;
- if (s390_has_feat(S390_FEAT_VECTOR)) {
- mcic |= MCIC_VB_VR;
- }
- if (s390_has_feat(S390_FEAT_GUARDED_STORAGE)) {
- mcic |= MCIC_VB_GS;
- }
- return mcic;
-}
-
-void kvm_s390_crw_mchk(void)
-{
- struct kvm_s390_irq irq = {
- .type = KVM_S390_MCHK,
- .u.mchk.cr14 = 1 << 28,
- .u.mchk.mcic = build_channel_report_mcic(),
- };
- kvm_s390_floating_interrupt(&irq);
-}
-
void kvm_s390_enable_css_support(S390CPU *cpu)
{
int r;
return kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &kick);
}
-int kvm_s390_get_memslot_count(void)
-{
- return kvm_check_extension(kvm_state, KVM_CAP_NR_MEMSLOTS);
-}
-
int kvm_s390_get_ri(void)
{
return cap_ri;
}
switch (cpu_state) {
- case CPU_STATE_STOPPED:
+ case S390_CPU_STATE_STOPPED:
mp_state.mp_state = KVM_MP_STATE_STOPPED;
break;
- case CPU_STATE_CHECK_STOP:
+ case S390_CPU_STATE_CHECK_STOP:
mp_state.mp_state = KVM_MP_STATE_CHECK_STOP;
break;
- case CPU_STATE_OPERATING:
+ case S390_CPU_STATE_OPERATING:
mp_state.mp_state = KVM_MP_STATE_OPERATING;
break;
- case CPU_STATE_LOAD:
+ case S390_CPU_STATE_LOAD:
mp_state.mp_state = KVM_MP_STATE_LOAD;
break;
default:
return;
}
+ /* PTFF subfunctions might be indicated although kernel support missing */
+ if (!test_bit(S390_FEAT_MULTIPLE_EPOCH, model->features)) {
+ clear_bit(S390_FEAT_PTFF_QSIE, model->features);
+ clear_bit(S390_FEAT_PTFF_QTOUE, model->features);
+ clear_bit(S390_FEAT_PTFF_STOE, model->features);
+ clear_bit(S390_FEAT_PTFF_STOUE, model->features);
+ }
+
/* with cpu model support, CMM is only indicated if really available */
if (kvm_s390_cmma_available()) {
set_bit(S390_FEAT_CMM, model->features);
clear_bit(S390_FEAT_CMM_NT, model->features);
}
+ /* bpb needs kernel support for migration, VSIE and reset */
+ if (!kvm_check_extension(kvm_state, KVM_CAP_S390_BPB)) {
+ clear_bit(S390_FEAT_BPB, model->features);
+ }
+
/* We emulate a zPCI bus and AEN, therefore we don't need HW support */
if (pci_available) {
set_bit(S390_FEAT_ZPCI, model->features);
projects / qemu.git / blobdiff