diff options
| -rw-r--r-- | hw/s390x/ipl.c | 24 | ||||
| -rw-r--r-- | hw/s390x/ipl.h | 61 | ||||
| -rw-r--r-- | hw/s390x/s390-virtio-ccw.c | 8 | ||||
| -rw-r--r-- | target-s390x/misc_helper.c | 7 |
4 files changed, 90 insertions, 10 deletions
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index f104200..236e2c9 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -30,6 +30,24 @@ #define ZIPL_IMAGE_START 0x009000UL #define IPL_PSW_MASK (PSW_MASK_32 | PSW_MASK_64) +static bool iplb_extended_needed(void *opaque) +{ + S390IPLState *ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL)); + + return ipl->iplbext_migration; +} + +static const VMStateDescription vmstate_iplb_extended = { + .name = "ipl/iplb_extended", + .version_id = 0, + .minimum_version_id = 0, + .needed = iplb_extended_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT8_ARRAY(reserved_ext, IplParameterBlock, 4096 - 200), + VMSTATE_END_OF_LIST() + } +}; + static const VMStateDescription vmstate_iplb = { .name = "ipl/iplb", .version_id = 0, @@ -39,6 +57,10 @@ static const VMStateDescription vmstate_iplb = { VMSTATE_UINT16(devno, IplParameterBlock), VMSTATE_UINT8_ARRAY(reserved2, IplParameterBlock, 88), VMSTATE_END_OF_LIST() + }, + .subsections = (const VMStateDescription*[]) { + &vmstate_iplb_extended, + NULL } }; @@ -181,6 +203,8 @@ static Property s390_ipl_properties[] = { DEFINE_PROP_STRING("cmdline", S390IPLState, cmdline), DEFINE_PROP_STRING("firmware", S390IPLState, firmware), DEFINE_PROP_BOOL("enforce_bios", S390IPLState, enforce_bios, false), + DEFINE_PROP_BOOL("iplbext_migration", S390IPLState, iplbext_migration, + true), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h index 6b48ed7..73b86e3 100644 --- a/hw/s390x/ipl.h +++ b/hw/s390x/ipl.h @@ -15,11 +15,59 @@ #include "hw/qdev.h" #include "cpu.h" -typedef struct IplParameterBlock { - uint8_t reserved1[110]; - uint16_t devno; - uint8_t reserved2[88]; -} IplParameterBlock; +struct IplBlockCcw { + uint8_t reserved0[86]; + uint16_t devno; + uint8_t vm_flags; + uint8_t reserved3[3]; + uint32_t vm_parm_len; + uint8_t nss_name[8]; + uint8_t vm_parm[64]; + uint8_t reserved4[8]; +} QEMU_PACKED; +typedef struct IplBlockCcw IplBlockCcw; + +struct IplBlockFcp { + uint8_t reserved1[305 - 1]; + uint8_t opt; + uint8_t reserved2[3]; + uint16_t reserved3; + uint16_t devno; + uint8_t reserved4[4]; + uint64_t wwpn; + uint64_t lun; + uint32_t bootprog; + uint8_t reserved5[12]; + uint64_t br_lba; + uint32_t scp_data_len; + uint8_t reserved6[260]; + uint8_t scp_data[]; +} QEMU_PACKED; +typedef struct IplBlockFcp IplBlockFcp; + +union IplParameterBlock { + struct { + uint32_t len; + uint8_t reserved0[3]; + uint8_t version; + uint32_t blk0_len; + uint8_t pbt; + uint8_t flags; + uint16_t reserved01; + uint8_t loadparm[8]; + union { + IplBlockCcw ccw; + IplBlockFcp fcp; + }; + } QEMU_PACKED; + struct { + uint8_t reserved1[110]; + uint16_t devno; + uint8_t reserved2[88]; + uint8_t reserved_ext[4096 - 200]; + } QEMU_PACKED; +} QEMU_PACKED; +typedef union IplParameterBlock IplParameterBlock; void s390_ipl_update_diag308(IplParameterBlock *iplb); void s390_ipl_prepare_cpu(S390CPU *cpu); @@ -47,7 +95,10 @@ struct S390IPLState { uint8_t cssid; uint8_t ssid; uint16_t devno; + bool iplbext_migration; }; typedef struct S390IPLState S390IPLState; +#define S390_IPLB_MIN_CCW_LEN 200 + #endif diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c index 1390a98..4456fce 100644 --- a/hw/s390x/s390-virtio-ccw.c +++ b/hw/s390x/s390-virtio-ccw.c @@ -25,6 +25,7 @@ #include "s390-pci-bus.h" #include "hw/s390x/storage-keys.h" #include "hw/compat.h" +#include "ipl.h" #include "hw/s390x/s390-virtio-ccw.h" static const char *const reset_dev_types[] = { @@ -317,7 +318,12 @@ static const TypeInfo ccw_machine_info = { type_init(ccw_machine_register_##suffix) #define CCW_COMPAT_2_6 \ - HW_COMPAT_2_6 + HW_COMPAT_2_6 \ + {\ + .driver = TYPE_S390_IPL,\ + .property = "iplbext_migration",\ + .value = "off",\ + }, #define CCW_COMPAT_2_5 \ CCW_COMPAT_2_6 \ diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c index 71cbe34..fab7f87 100644 --- a/target-s390x/misc_helper.c +++ b/target-s390x/misc_helper.c @@ -232,8 +232,8 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3) program_interrupt(env, PGM_ADDRESSING, ILEN_LATER_INC); return; } - iplb = g_malloc0(sizeof(struct IplParameterBlock)); - cpu_physical_memory_read(addr, iplb, sizeof(struct IplParameterBlock)); + iplb = g_malloc0(sizeof(IplParameterBlock)); + cpu_physical_memory_read(addr, iplb, S390_IPLB_MIN_CCW_LEN); s390_ipl_update_diag308(iplb); env->regs[r1 + 1] = DIAG_308_RC_OK; g_free(iplb); @@ -250,8 +250,7 @@ void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3) } iplb = s390_ipl_get_iplb(); if (iplb) { - cpu_physical_memory_write(addr, iplb, - sizeof(struct IplParameterBlock)); + cpu_physical_memory_write(addr, iplb, S390_IPLB_MIN_CCW_LEN); env->regs[r1 + 1] = DIAG_308_RC_OK; } else { env->regs[r1 + 1] = DIAG_308_RC_NO_CONF; |