4 * Copyright IBM, Corp. 2012, 2020
7 * Christian Borntraeger <borntraeger@de.ibm.com>
8 * Janosch Frank <frankja@linux.ibm.com>
10 * This work is licensed under the terms of the GNU GPL, version 2 or (at your
11 * option) any later version. See the COPYING file in the top-level directory.
15 #include "qemu/osdep.h"
16 #include "qemu-common.h"
17 #include "qapi/error.h"
18 #include "sysemu/reset.h"
19 #include "sysemu/runstate.h"
20 #include "sysemu/sysemu.h"
21 #include "sysemu/tcg.h"
24 #include "hw/loader.h"
25 #include "hw/qdev-properties.h"
26 #include "hw/boards.h"
27 #include "hw/s390x/virtio-ccw.h"
28 #include "hw/s390x/vfio-ccw.h"
29 #include "hw/s390x/css.h"
30 #include "hw/s390x/ebcdic.h"
31 #include "hw/s390x/pv.h"
33 #include "qemu/error-report.h"
34 #include "qemu/config-file.h"
35 #include "qemu/cutils.h"
36 #include "qemu/option.h"
37 #include "exec/exec-all.h"
39 #define KERN_IMAGE_START 0x010000UL
40 #define LINUX_MAGIC_ADDR 0x010008UL
41 #define KERN_PARM_AREA 0x010480UL
42 #define INITRD_START 0x800000UL
43 #define INITRD_PARM_START 0x010408UL
44 #define PARMFILE_START 0x001000UL
45 #define ZIPL_IMAGE_START 0x009000UL
46 #define IPL_PSW_MASK (PSW_MASK_32 | PSW_MASK_64)
48 static bool iplb_extended_needed(void *opaque
)
50 S390IPLState
*ipl
= S390_IPL(object_resolve_path(TYPE_S390_IPL
, NULL
));
52 return ipl
->iplbext_migration
;
55 static const VMStateDescription vmstate_iplb_extended
= {
56 .name
= "ipl/iplb_extended",
58 .minimum_version_id
= 0,
59 .needed
= iplb_extended_needed
,
60 .fields
= (VMStateField
[]) {
61 VMSTATE_UINT8_ARRAY(reserved_ext
, IplParameterBlock
, 4096 - 200),
66 static const VMStateDescription vmstate_iplb
= {
69 .minimum_version_id
= 0,
70 .fields
= (VMStateField
[]) {
71 VMSTATE_UINT8_ARRAY(reserved1
, IplParameterBlock
, 110),
72 VMSTATE_UINT16(devno
, IplParameterBlock
),
73 VMSTATE_UINT8_ARRAY(reserved2
, IplParameterBlock
, 88),
76 .subsections
= (const VMStateDescription
*[]) {
77 &vmstate_iplb_extended
,
82 static const VMStateDescription vmstate_ipl
= {
85 .minimum_version_id
= 0,
86 .fields
= (VMStateField
[]) {
87 VMSTATE_UINT64(compat_start_addr
, S390IPLState
),
88 VMSTATE_UINT64(compat_bios_start_addr
, S390IPLState
),
89 VMSTATE_STRUCT(iplb
, S390IPLState
, 0, vmstate_iplb
, IplParameterBlock
),
90 VMSTATE_BOOL(iplb_valid
, S390IPLState
),
91 VMSTATE_UINT8(cssid
, S390IPLState
),
92 VMSTATE_UINT8(ssid
, S390IPLState
),
93 VMSTATE_UINT16(devno
, S390IPLState
),
98 static S390IPLState
*get_ipl_device(void)
100 return S390_IPL(object_resolve_path_type("", TYPE_S390_IPL
, NULL
));
103 static uint64_t bios_translate_addr(void *opaque
, uint64_t srcaddr
)
105 uint64_t dstaddr
= *(uint64_t *) opaque
;
107 * Assuming that our s390-ccw.img was linked for starting at address 0,
108 * we can simply add the destination address for the final location
110 return srcaddr
+ dstaddr
;
113 static void s390_ipl_realize(DeviceState
*dev
, Error
**errp
)
115 S390IPLState
*ipl
= S390_IPL(dev
);
125 * Always load the bios if it was enforced,
126 * even if an external kernel has been defined.
128 if (!ipl
->kernel
|| ipl
->enforce_bios
) {
129 uint64_t fwbase
= (MIN(ram_size
, 0x80000000U
) - 0x200000) & ~0xffffUL
;
131 if (bios_name
== NULL
) {
132 bios_name
= ipl
->firmware
;
135 bios_filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, bios_name
);
136 if (bios_filename
== NULL
) {
137 error_setg(errp
, "could not find stage1 bootloader");
141 bios_size
= load_elf(bios_filename
, NULL
,
142 bios_translate_addr
, &fwbase
,
143 &ipl
->bios_start_addr
, NULL
, NULL
, NULL
, 1,
146 /* Adjust ELF start address to final location */
147 ipl
->bios_start_addr
+= fwbase
;
149 /* Try to load non-ELF file */
150 bios_size
= load_image_targphys(bios_filename
, ZIPL_IMAGE_START
,
152 ipl
->bios_start_addr
= ZIPL_IMAGE_START
;
154 g_free(bios_filename
);
156 if (bios_size
== -1) {
157 error_setg(errp
, "could not load bootloader '%s'", bios_name
);
161 /* default boot target is the bios */
162 ipl
->start_addr
= ipl
->bios_start_addr
;
166 kernel_size
= load_elf(ipl
->kernel
, NULL
, NULL
, NULL
,
168 NULL
, NULL
, 1, EM_S390
, 0, 0);
169 if (kernel_size
< 0) {
170 kernel_size
= load_image_targphys(ipl
->kernel
, 0, ram_size
);
171 if (kernel_size
< 0) {
172 error_setg(errp
, "could not load kernel '%s'", ipl
->kernel
);
175 /* if this is Linux use KERN_IMAGE_START */
176 magic
= rom_ptr(LINUX_MAGIC_ADDR
, 6);
177 if (magic
&& !memcmp(magic
, "S390EP", 6)) {
178 pentry
= KERN_IMAGE_START
;
180 /* if not Linux load the address of the (short) IPL PSW */
181 ipl_psw
= rom_ptr(4, 4);
183 pentry
= be32_to_cpu(*ipl_psw
) & PSW_MASK_SHORT_ADDR
;
185 error_setg(errp
, "Could not get IPL PSW");
191 * Is it a Linux kernel (starting at 0x10000)? If yes, we fill in the
192 * kernel parameters here as well. Note: For old kernels (up to 3.2)
193 * we can not rely on the ELF entry point - it was 0x800 (the SALIPL
194 * loader) and it won't work. For this case we force it to 0x10000, too.
196 if (pentry
== KERN_IMAGE_START
|| pentry
== 0x800) {
197 char *parm_area
= rom_ptr(KERN_PARM_AREA
, strlen(ipl
->cmdline
) + 1);
198 ipl
->start_addr
= KERN_IMAGE_START
;
199 /* Overwrite parameters in the kernel image, which are "rom" */
201 strcpy(parm_area
, ipl
->cmdline
);
204 ipl
->start_addr
= pentry
;
208 ram_addr_t initrd_offset
;
212 initrd_offset
= INITRD_START
;
213 while (kernel_size
+ 0x100000 > initrd_offset
) {
214 initrd_offset
+= 0x100000;
216 initrd_size
= load_image_targphys(ipl
->initrd
, initrd_offset
,
217 ram_size
- initrd_offset
);
218 if (initrd_size
== -1) {
219 error_setg(errp
, "could not load initrd '%s'", ipl
->initrd
);
224 * we have to overwrite values in the kernel image,
227 romptr
= rom_ptr(INITRD_PARM_START
, 16);
229 stq_p(romptr
, initrd_offset
);
230 stq_p(romptr
+ 1, initrd_size
);
235 * Don't ever use the migrated values, they could come from a different
236 * BIOS and therefore don't work. But still migrate the values, so
237 * QEMUs relying on it don't break.
239 ipl
->compat_start_addr
= ipl
->start_addr
;
240 ipl
->compat_bios_start_addr
= ipl
->bios_start_addr
;
242 * Because this Device is not on any bus in the qbus tree (it is
243 * not a sysbus device and it's not on some other bus like a PCI
244 * bus) it will not be automatically reset by the 'reset the
245 * sysbus' hook registered by vl.c like most devices. So we must
246 * manually register a reset hook for it.
247 * TODO: there should be a better way to do this.
249 qemu_register_reset(resettable_cold_reset_fn
, dev
);
252 static Property s390_ipl_properties
[] = {
253 DEFINE_PROP_STRING("kernel", S390IPLState
, kernel
),
254 DEFINE_PROP_STRING("initrd", S390IPLState
, initrd
),
255 DEFINE_PROP_STRING("cmdline", S390IPLState
, cmdline
),
256 DEFINE_PROP_STRING("firmware", S390IPLState
, firmware
),
257 DEFINE_PROP_STRING("netboot_fw", S390IPLState
, netboot_fw
),
258 DEFINE_PROP_BOOL("enforce_bios", S390IPLState
, enforce_bios
, false),
259 DEFINE_PROP_BOOL("iplbext_migration", S390IPLState
, iplbext_migration
,
261 DEFINE_PROP_END_OF_LIST(),
264 static void s390_ipl_set_boot_menu(S390IPLState
*ipl
)
266 QemuOptsList
*plist
= qemu_find_opts("boot-opts");
267 QemuOpts
*opts
= QTAILQ_FIRST(&plist
->head
);
269 unsigned long splash_time
= 0;
271 if (!get_boot_device(0)) {
273 error_report("boot menu requires a bootindex to be specified for "
279 switch (ipl
->iplb
.pbt
) {
280 case S390_IPL_TYPE_CCW
:
281 /* In the absence of -boot menu, use zipl parameters */
282 if (!qemu_opt_get(opts
, "menu")) {
283 ipl
->qipl
.qipl_flags
|= QIPL_FLAG_BM_OPTS_ZIPL
;
287 case S390_IPL_TYPE_QEMU_SCSI
:
291 error_report("boot menu is not supported for this device type");
300 ipl
->qipl
.qipl_flags
|= QIPL_FLAG_BM_OPTS_CMD
;
302 tmp
= qemu_opt_get(opts
, "splash-time");
304 if (tmp
&& qemu_strtoul(tmp
, NULL
, 10, &splash_time
)) {
305 error_report("splash-time is invalid, forcing it to 0");
306 ipl
->qipl
.boot_menu_timeout
= 0;
310 if (splash_time
> 0xffffffff) {
311 error_report("splash-time is too large, forcing it to max value");
312 ipl
->qipl
.boot_menu_timeout
= 0xffffffff;
316 ipl
->qipl
.boot_menu_timeout
= cpu_to_be32(splash_time
);
319 #define CCW_DEVTYPE_NONE 0x00
320 #define CCW_DEVTYPE_VIRTIO 0x01
321 #define CCW_DEVTYPE_VIRTIO_NET 0x02
322 #define CCW_DEVTYPE_SCSI 0x03
323 #define CCW_DEVTYPE_VFIO 0x04
325 static CcwDevice
*s390_get_ccw_device(DeviceState
*dev_st
, int *devtype
)
327 CcwDevice
*ccw_dev
= NULL
;
328 int tmp_dt
= CCW_DEVTYPE_NONE
;
331 VirtIONet
*virtio_net_dev
= (VirtIONet
*)
332 object_dynamic_cast(OBJECT(dev_st
), TYPE_VIRTIO_NET
);
333 VirtioCcwDevice
*virtio_ccw_dev
= (VirtioCcwDevice
*)
334 object_dynamic_cast(OBJECT(qdev_get_parent_bus(dev_st
)->parent
),
335 TYPE_VIRTIO_CCW_DEVICE
);
336 VFIOCCWDevice
*vfio_ccw_dev
= (VFIOCCWDevice
*)
337 object_dynamic_cast(OBJECT(dev_st
), TYPE_VFIO_CCW
);
339 if (virtio_ccw_dev
) {
340 ccw_dev
= CCW_DEVICE(virtio_ccw_dev
);
341 if (virtio_net_dev
) {
342 tmp_dt
= CCW_DEVTYPE_VIRTIO_NET
;
344 tmp_dt
= CCW_DEVTYPE_VIRTIO
;
346 } else if (vfio_ccw_dev
) {
347 ccw_dev
= CCW_DEVICE(vfio_ccw_dev
);
348 tmp_dt
= CCW_DEVTYPE_VFIO
;
350 SCSIDevice
*sd
= (SCSIDevice
*)
351 object_dynamic_cast(OBJECT(dev_st
),
354 SCSIBus
*bus
= scsi_bus_from_device(sd
);
355 VirtIOSCSI
*vdev
= container_of(bus
, VirtIOSCSI
, bus
);
356 VirtIOSCSICcw
*scsi_ccw
= container_of(vdev
, VirtIOSCSICcw
,
359 ccw_dev
= (CcwDevice
*)object_dynamic_cast(OBJECT(scsi_ccw
),
361 tmp_dt
= CCW_DEVTYPE_SCSI
;
371 static bool s390_gen_initial_iplb(S390IPLState
*ipl
)
374 CcwDevice
*ccw_dev
= NULL
;
378 dev_st
= get_boot_device(0);
380 ccw_dev
= s390_get_ccw_device(dev_st
, &devtype
);
384 * Currently allow IPL only from CCW devices.
388 case CCW_DEVTYPE_SCSI
:
389 sd
= SCSI_DEVICE(dev_st
);
390 ipl
->iplb
.len
= cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN
);
392 cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN
- S390_IPLB_HEADER_LEN
);
393 ipl
->iplb
.pbt
= S390_IPL_TYPE_QEMU_SCSI
;
394 ipl
->iplb
.scsi
.lun
= cpu_to_be32(sd
->lun
);
395 ipl
->iplb
.scsi
.target
= cpu_to_be16(sd
->id
);
396 ipl
->iplb
.scsi
.channel
= cpu_to_be16(sd
->channel
);
397 ipl
->iplb
.scsi
.devno
= cpu_to_be16(ccw_dev
->sch
->devno
);
398 ipl
->iplb
.scsi
.ssid
= ccw_dev
->sch
->ssid
& 3;
400 case CCW_DEVTYPE_VFIO
:
401 ipl
->iplb
.len
= cpu_to_be32(S390_IPLB_MIN_CCW_LEN
);
402 ipl
->iplb
.pbt
= S390_IPL_TYPE_CCW
;
403 ipl
->iplb
.ccw
.devno
= cpu_to_be16(ccw_dev
->sch
->devno
);
404 ipl
->iplb
.ccw
.ssid
= ccw_dev
->sch
->ssid
& 3;
406 case CCW_DEVTYPE_VIRTIO_NET
:
408 /* Fall through to CCW_DEVTYPE_VIRTIO case */
409 case CCW_DEVTYPE_VIRTIO
:
410 ipl
->iplb
.len
= cpu_to_be32(S390_IPLB_MIN_CCW_LEN
);
412 cpu_to_be32(S390_IPLB_MIN_CCW_LEN
- S390_IPLB_HEADER_LEN
);
413 ipl
->iplb
.pbt
= S390_IPL_TYPE_CCW
;
414 ipl
->iplb
.ccw
.devno
= cpu_to_be16(ccw_dev
->sch
->devno
);
415 ipl
->iplb
.ccw
.ssid
= ccw_dev
->sch
->ssid
& 3;
419 if (!s390_ipl_set_loadparm(ipl
->iplb
.loadparm
)) {
420 ipl
->iplb
.flags
|= DIAG308_FLAGS_LP_VALID
;
429 int s390_ipl_set_loadparm(uint8_t *loadparm
)
431 MachineState
*machine
= MACHINE(qdev_get_machine());
432 char *lp
= object_property_get_str(OBJECT(machine
), "loadparm", NULL
);
437 /* lp is an uppercase string without leading/embedded spaces */
438 for (i
= 0; i
< 8 && lp
[i
]; i
++) {
439 loadparm
[i
] = ascii2ebcdic
[(uint8_t) lp
[i
]];
443 memset(loadparm
+ i
, 0x40, 8 - i
); /* fill with EBCDIC spaces */
453 static int load_netboot_image(Error
**errp
)
455 S390IPLState
*ipl
= get_ipl_device();
456 char *netboot_filename
;
457 MemoryRegion
*sysmem
= get_system_memory();
458 MemoryRegion
*mr
= NULL
;
459 void *ram_ptr
= NULL
;
462 mr
= memory_region_find(sysmem
, 0, 1).mr
;
464 error_setg(errp
, "Failed to find memory region at address 0");
468 ram_ptr
= memory_region_get_ram_ptr(mr
);
470 error_setg(errp
, "No RAM found");
474 netboot_filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, ipl
->netboot_fw
);
475 if (netboot_filename
== NULL
) {
476 error_setg(errp
, "Could not find network bootloader '%s'",
481 img_size
= load_elf_ram(netboot_filename
, NULL
, NULL
, NULL
,
483 NULL
, NULL
, NULL
, 1, EM_S390
, 0, 0, NULL
,
487 img_size
= load_image_size(netboot_filename
, ram_ptr
, ram_size
);
488 ipl
->start_addr
= KERN_IMAGE_START
;
492 error_setg(errp
, "Failed to load network bootloader");
495 g_free(netboot_filename
);
498 memory_region_unref(mr
);
502 static bool is_virtio_ccw_device_of_type(IplParameterBlock
*iplb
,
509 SubchDev
*sch
= NULL
;
511 if (iplb
->pbt
!= S390_IPL_TYPE_CCW
) {
515 devno
= be16_to_cpu(iplb
->ccw
.devno
);
516 ssid
= iplb
->ccw
.ssid
& 3;
518 for (schid
= 0; schid
< MAX_SCHID
; schid
++) {
519 for (cssid
= 0; cssid
< MAX_CSSID
; cssid
++) {
520 sch
= css_find_subch(1, cssid
, ssid
, schid
);
522 if (sch
&& sch
->devno
== devno
) {
523 return sch
->id
.cu_model
== virtio_id
;
530 static bool is_virtio_net_device(IplParameterBlock
*iplb
)
532 return is_virtio_ccw_device_of_type(iplb
, VIRTIO_ID_NET
);
535 static bool is_virtio_scsi_device(IplParameterBlock
*iplb
)
537 return is_virtio_ccw_device_of_type(iplb
, VIRTIO_ID_SCSI
);
540 static void update_machine_ipl_properties(IplParameterBlock
*iplb
)
542 Object
*machine
= qdev_get_machine();
546 if (iplb
->flags
& DIAG308_FLAGS_LP_VALID
) {
547 uint8_t *ebcdic_loadparm
= iplb
->loadparm
;
548 char ascii_loadparm
[9];
551 for (i
= 0; i
< 8 && ebcdic_loadparm
[i
]; i
++) {
552 ascii_loadparm
[i
] = ebcdic2ascii
[(uint8_t) ebcdic_loadparm
[i
]];
554 ascii_loadparm
[i
] = 0;
555 object_property_set_str(machine
, "loadparm", ascii_loadparm
, &err
);
557 object_property_set_str(machine
, "loadparm", "", &err
);
560 warn_report_err(err
);
564 void s390_ipl_update_diag308(IplParameterBlock
*iplb
)
566 S390IPLState
*ipl
= get_ipl_device();
569 * The IPLB set and retrieved by subcodes 8/9 is completely
570 * separate from the one managed via subcodes 5/6.
572 if (iplb
->pbt
== S390_IPL_TYPE_PV
) {
573 ipl
->iplb_pv
= *iplb
;
574 ipl
->iplb_valid_pv
= true;
577 ipl
->iplb_valid
= true;
579 ipl
->netboot
= is_virtio_net_device(iplb
);
580 update_machine_ipl_properties(iplb
);
583 IplParameterBlock
*s390_ipl_get_iplb_pv(void)
585 S390IPLState
*ipl
= get_ipl_device();
587 if (!ipl
->iplb_valid_pv
) {
590 return &ipl
->iplb_pv
;
593 IplParameterBlock
*s390_ipl_get_iplb(void)
595 S390IPLState
*ipl
= get_ipl_device();
597 if (!ipl
->iplb_valid
) {
603 void s390_ipl_reset_request(CPUState
*cs
, enum s390_reset reset_type
)
605 S390IPLState
*ipl
= get_ipl_device();
607 if (reset_type
== S390_RESET_EXTERNAL
|| reset_type
== S390_RESET_REIPL
) {
608 /* use CPU 0 for full resets */
609 ipl
->reset_cpu_index
= 0;
611 ipl
->reset_cpu_index
= cs
->cpu_index
;
613 ipl
->reset_type
= reset_type
;
615 if (reset_type
== S390_RESET_REIPL
&&
618 ipl
->iplb
.pbt
== S390_IPL_TYPE_CCW
&&
619 is_virtio_scsi_device(&ipl
->iplb
)) {
620 CcwDevice
*ccw_dev
= s390_get_ccw_device(get_boot_device(0), NULL
);
623 cpu_to_be16(ccw_dev
->sch
->devno
) == ipl
->iplb
.ccw
.devno
&&
624 (ccw_dev
->sch
->ssid
& 3) == ipl
->iplb
.ccw
.ssid
) {
626 * this is the original boot device's SCSI
627 * so restore IPL parameter info from it
629 ipl
->iplb_valid
= s390_gen_initial_iplb(ipl
);
632 if (reset_type
== S390_RESET_MODIFIED_CLEAR
||
633 reset_type
== S390_RESET_LOAD_NORMAL
) {
634 /* ignore -no-reboot, send no event */
635 qemu_system_reset_request(SHUTDOWN_CAUSE_SUBSYSTEM_RESET
);
637 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET
);
639 /* as this is triggered by a CPU, make sure to exit the loop */
645 void s390_ipl_get_reset_request(CPUState
**cs
, enum s390_reset
*reset_type
)
647 S390IPLState
*ipl
= get_ipl_device();
649 *cs
= qemu_get_cpu(ipl
->reset_cpu_index
);
654 *reset_type
= ipl
->reset_type
;
657 void s390_ipl_clear_reset_request(void)
659 S390IPLState
*ipl
= get_ipl_device();
661 ipl
->reset_type
= S390_RESET_EXTERNAL
;
662 /* use CPU 0 for full resets */
663 ipl
->reset_cpu_index
= 0;
666 static void s390_ipl_prepare_qipl(S390CPU
*cpu
)
668 S390IPLState
*ipl
= get_ipl_device();
672 addr
= cpu_physical_memory_map(cpu
->env
.psa
, &len
, true);
673 if (!addr
|| len
< QIPL_ADDRESS
+ sizeof(QemuIplParameters
)) {
674 error_report("Cannot set QEMU IPL parameters");
677 memcpy(addr
+ QIPL_ADDRESS
, &ipl
->qipl
, sizeof(QemuIplParameters
));
678 cpu_physical_memory_unmap(addr
, len
, 1, len
);
681 int s390_ipl_prepare_pv_header(void)
683 IplParameterBlock
*ipib
= s390_ipl_get_iplb_pv();
684 IPLBlockPV
*ipib_pv
= &ipib
->pv
;
685 void *hdr
= g_malloc(ipib_pv
->pv_header_len
);
688 cpu_physical_memory_read(ipib_pv
->pv_header_addr
, hdr
,
689 ipib_pv
->pv_header_len
);
690 rc
= s390_pv_set_sec_parms((uintptr_t)hdr
,
691 ipib_pv
->pv_header_len
);
696 int s390_ipl_pv_unpack(void)
698 IplParameterBlock
*ipib
= s390_ipl_get_iplb_pv();
699 IPLBlockPV
*ipib_pv
= &ipib
->pv
;
702 for (i
= 0; i
< ipib_pv
->num_comp
; i
++) {
703 rc
= s390_pv_unpack(ipib_pv
->components
[i
].addr
,
704 TARGET_PAGE_ALIGN(ipib_pv
->components
[i
].size
),
705 ipib_pv
->components
[i
].tweak_pref
);
713 void s390_ipl_prepare_cpu(S390CPU
*cpu
)
715 S390IPLState
*ipl
= get_ipl_device();
718 cpu
->env
.psw
.addr
= ipl
->start_addr
;
719 cpu
->env
.psw
.mask
= IPL_PSW_MASK
;
721 if (!ipl
->kernel
|| ipl
->iplb_valid
) {
722 cpu
->env
.psw
.addr
= ipl
->bios_start_addr
;
723 if (!ipl
->iplb_valid
) {
724 ipl
->iplb_valid
= s390_gen_initial_iplb(ipl
);
728 if (load_netboot_image(&err
) < 0) {
729 error_report_err(err
);
732 ipl
->qipl
.netboot_start_addr
= cpu_to_be64(ipl
->start_addr
);
734 s390_ipl_set_boot_menu(ipl
);
735 s390_ipl_prepare_qipl(cpu
);
738 static void s390_ipl_reset(DeviceState
*dev
)
740 S390IPLState
*ipl
= S390_IPL(dev
);
742 if (ipl
->reset_type
!= S390_RESET_REIPL
) {
743 ipl
->iplb_valid
= false;
744 memset(&ipl
->iplb
, 0, sizeof(IplParameterBlock
));
748 static void s390_ipl_class_init(ObjectClass
*klass
, void *data
)
750 DeviceClass
*dc
= DEVICE_CLASS(klass
);
752 dc
->realize
= s390_ipl_realize
;
753 device_class_set_props(dc
, s390_ipl_properties
);
754 dc
->reset
= s390_ipl_reset
;
755 dc
->vmsd
= &vmstate_ipl
;
756 set_bit(DEVICE_CATEGORY_MISC
, dc
->categories
);
757 /* Reason: Loads the ROMs and thus can only be used one time - internally */
758 dc
->user_creatable
= false;
761 static const TypeInfo s390_ipl_info
= {
762 .class_init
= s390_ipl_class_init
,
763 .parent
= TYPE_DEVICE
,
764 .name
= TYPE_S390_IPL
,
765 .instance_size
= sizeof(S390IPLState
),
768 static void s390_ipl_register_types(void)
770 type_register_static(&s390_ipl_info
);
773 type_init(s390_ipl_register_types
)