More s390x patches. The first ones are fixes: A regression, missed

compat and a missed part of the SIMD support. The others contain
 optimizations and cleanup.
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20151021-v2' into staging

More s390x patches. The first ones are fixes: A regression, missed
compat and a missed part of the SIMD support. The others contain
optimizations and cleanup.

# gpg: Signature made Wed 21 Oct 2015 11:24:48 BST using RSA key ID C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"

* remotes/cohuck/tags/s390x-20151021-v2:
  s390x/cmma: clean up cmma reset
  s390x: reset crypto only on clear reset and QEMU reset
  s390x: machine reset function with new ipl cpu handling
  s390x/ipl: we always have an ipl device
  s390x: unify device reset during subsystem_reset()
  s390x: flagify mcic values
  s390x/kvm: Fix vector validity bit in device machine checks
  s390x/virtio-ccw: fix 2.4 virtio compat
  util/qemu-config: fix missing machine command line options

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-10-21 15:07:42 +01:00
commit 8bfaa25fce
9 changed files with 168 additions and 67 deletions

View file

@ -95,6 +95,11 @@ static const VMStateDescription vmstate_ipl = {
}
};
static S390IPLState *get_ipl_device(void)
{
return S390_IPL(object_resolve_path_type("", TYPE_S390_IPL, NULL));
}
static uint64_t bios_translate_addr(void *opaque, uint64_t srcaddr)
{
uint64_t dstaddr = *(uint64_t *) opaque;
@ -218,7 +223,7 @@ static Property s390_ipl_properties[] = {
* - -1 if no valid boot device was found
* - ccw id of the boot device otherwise
*/
static uint64_t s390_update_iplstate(CPUS390XState *env, S390IPLState *ipl)
static uint64_t s390_update_iplstate(S390IPLState *ipl)
{
DeviceState *dev_st;
@ -251,25 +256,19 @@ out:
return (uint32_t) (ipl->cssid << 24 | ipl->ssid << 16 | ipl->devno);
}
int s390_ipl_update_diag308(IplParameterBlock *iplb)
void s390_ipl_update_diag308(IplParameterBlock *iplb)
{
S390IPLState *ipl;
S390IPLState *ipl = get_ipl_device();
ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL));
if (ipl) {
ipl->iplb = *iplb;
ipl->iplb_valid = true;
return 0;
}
return -1;
ipl->iplb = *iplb;
ipl->iplb_valid = true;
}
IplParameterBlock *s390_ipl_get_iplb(void)
{
S390IPLState *ipl;
S390IPLState *ipl = get_ipl_device();
ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL));
if (!ipl || !ipl->iplb_valid) {
if (!ipl->iplb_valid) {
return NULL;
}
return &ipl->iplb;
@ -277,33 +276,33 @@ IplParameterBlock *s390_ipl_get_iplb(void)
void s390_reipl_request(void)
{
S390IPLState *ipl;
S390IPLState *ipl = get_ipl_device();
ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL));
ipl->reipl_requested = true;
qemu_system_reset_request();
}
void s390_ipl_prepare_cpu(S390CPU *cpu)
{
S390IPLState *ipl = get_ipl_device();
cpu->env.psw.addr = ipl->start_addr;
cpu->env.psw.mask = IPL_PSW_MASK;
if (!ipl->kernel || ipl->iplb_valid) {
cpu->env.psw.addr = ipl->bios_start_addr;
cpu->env.regs[7] = s390_update_iplstate(ipl);
}
}
static void s390_ipl_reset(DeviceState *dev)
{
S390IPLState *ipl = S390_IPL(dev);
S390CPU *cpu = S390_CPU(qemu_get_cpu(0));
CPUS390XState *env = &cpu->env;
env->psw.addr = ipl->start_addr;
env->psw.mask = IPL_PSW_MASK;
if (!ipl->reipl_requested) {
ipl->iplb_valid = false;
}
ipl->reipl_requested = false;
if (!ipl->kernel || ipl->iplb_valid) {
env->psw.addr = ipl->bios_start_addr;
env->regs[7] = s390_update_iplstate(env, ipl);
}
s390_cpu_set_state(CPU_STATE_OPERATING, cpu);
}
static void s390_ipl_class_init(ObjectClass *klass, void *data)

View file

@ -12,13 +12,16 @@
#ifndef HW_S390_IPL_H
#define HW_S390_IPL_H
#include "cpu.h"
typedef struct IplParameterBlock {
uint8_t reserved1[110];
uint16_t devno;
uint8_t reserved2[88];
} IplParameterBlock;
int s390_ipl_update_diag308(IplParameterBlock *iplb);
void s390_ipl_update_diag308(IplParameterBlock *iplb);
void s390_ipl_prepare_cpu(S390CPU *cpu);
IplParameterBlock *s390_ipl_get_iplb(void);
void s390_reipl_request(void);

View file

@ -35,26 +35,23 @@ typedef struct S390CcwMachineState {
bool dea_key_wrap;
} S390CcwMachineState;
static const char *const reset_dev_types[] = {
"virtual-css-bridge",
"s390-sclp-event-facility",
"s390-flic",
"diag288",
};
void subsystem_reset(void)
{
DeviceState *css, *sclp, *flic, *diag288;
DeviceState *dev;
int i;
css = DEVICE(object_resolve_path_type("", "virtual-css-bridge", NULL));
if (css) {
qdev_reset_all(css);
}
sclp = DEVICE(object_resolve_path_type("",
"s390-sclp-event-facility", NULL));
if (sclp) {
qdev_reset_all(sclp);
}
flic = DEVICE(object_resolve_path_type("", "s390-flic", NULL));
if (flic) {
qdev_reset_all(flic);
}
diag288 = DEVICE(object_resolve_path_type("", "diag288", NULL));
if (diag288) {
qdev_reset_all(diag288);
for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
if (dev) {
qdev_reset_all(dev);
}
}
}
@ -164,6 +161,7 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
NMIClass *nc = NMI_CLASS(oc);
mc->init = ccw_init;
mc->reset = s390_machine_reset;
mc->block_default_type = IF_VIRTIO;
mc->no_cdrom = 1;
mc->no_floppy = 1;
@ -262,6 +260,18 @@ static const TypeInfo ccw_machine_info = {
.driver = "virtio-rng-ccw",\
.property = "max_revision",\
.value = "0",\
},{\
.driver = "virtio-net-ccw",\
.property = "max_revision",\
.value = "0",\
},{\
.driver = "virtio-scsi-ccw",\
.property = "max_revision",\
.value = "0",\
},{\
.driver = "vhost-scsi-ccw",\
.property = "max_revision",\
.value = "0",\
},
static void ccw_machine_2_4_class_init(ObjectClass *oc, void *data)

View file

@ -40,6 +40,7 @@
#include "hw/s390x/s390_flic.h"
#include "hw/s390x/s390-virtio.h"
#include "hw/s390x/storage-keys.h"
#include "hw/s390x/ipl.h"
#include "cpu.h"
//#define DEBUG_S390
@ -314,6 +315,19 @@ void s390_nmi(NMIState *n, int cpu_index, Error **errp)
}
}
void s390_machine_reset(void)
{
S390CPU *ipl_cpu = S390_CPU(qemu_get_cpu(0));
qemu_devices_reset();
s390_cmma_reset();
s390_crypto_reset();
/* all cpus are stopped - configure and start the ipl cpu only */
s390_ipl_prepare_cpu(ipl_cpu);
s390_cpu_set_state(CPU_STATE_OPERATING, ipl_cpu);
}
static void s390_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@ -322,6 +336,7 @@ static void s390_machine_class_init(ObjectClass *oc, void *data)
mc->alias = "s390";
mc->desc = "VirtIO based S390 machine";
mc->init = s390_init;
mc->reset = s390_machine_reset;
mc->block_default_type = IF_VIRTIO;
mc->max_cpus = 255;
mc->no_serial = 1;

View file

@ -27,5 +27,6 @@ void s390_init_ipl_dev(const char *kernel_filename,
bool enforce_bios);
void s390_create_virtio_net(BusState *bus, const char *name);
void s390_nmi(NMIState *n, int cpu_index, Error **errp);
void s390_machine_reset(void);
void s390_memory_init(ram_addr_t mem_size);
#endif