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 "qemu/datadir.h"
18 #include "qapi/error.h"
19 #include "sysemu/reset.h"
20 #include "sysemu/runstate.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 MachineState
*ms
= MACHINE(qdev_get_machine());
116 S390IPLState
*ipl
= S390_IPL(dev
);
126 * Always load the bios if it was enforced,
127 * even if an external kernel has been defined.
129 if (!ipl
->kernel
|| ipl
->enforce_bios
) {
130 uint64_t fwbase
= (MIN(ms
->ram_size
, 0x80000000U
) - 0x200000) & ~0xffffUL
;
132 bios_filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, ipl
->firmware
);
133 if (bios_filename
== NULL
) {
134 error_setg(errp
, "could not find stage1 bootloader");
138 bios_size
= load_elf(bios_filename
, NULL
,
139 bios_translate_addr
, &fwbase
,
140 &ipl
->bios_start_addr
, NULL
, NULL
, NULL
, 1,
143 /* Adjust ELF start address to final location */
144 ipl
->bios_start_addr
+= fwbase
;
146 /* Try to load non-ELF file */
147 bios_size
= load_image_targphys(bios_filename
, ZIPL_IMAGE_START
,
149 ipl
->bios_start_addr
= ZIPL_IMAGE_START
;
151 g_free(bios_filename
);
153 if (bios_size
== -1) {
154 error_setg(errp
, "could not load bootloader '%s'", ipl
->firmware
);
158 /* default boot target is the bios */
159 ipl
->start_addr
= ipl
->bios_start_addr
;
163 kernel_size
= load_elf(ipl
->kernel
, NULL
, NULL
, NULL
,
165 NULL
, NULL
, 1, EM_S390
, 0, 0);
166 if (kernel_size
< 0) {
167 kernel_size
= load_image_targphys(ipl
->kernel
, 0, ms
->ram_size
);
168 if (kernel_size
< 0) {
169 error_setg(errp
, "could not load kernel '%s'", ipl
->kernel
);
172 /* if this is Linux use KERN_IMAGE_START */
173 magic
= rom_ptr(LINUX_MAGIC_ADDR
, 6);
174 if (magic
&& !memcmp(magic
, "S390EP", 6)) {
175 pentry
= KERN_IMAGE_START
;
177 /* if not Linux load the address of the (short) IPL PSW */
178 ipl_psw
= rom_ptr(4, 4);
180 pentry
= be32_to_cpu(*ipl_psw
) & PSW_MASK_SHORT_ADDR
;
182 error_setg(errp
, "Could not get IPL PSW");
188 * Is it a Linux kernel (starting at 0x10000)? If yes, we fill in the
189 * kernel parameters here as well. Note: For old kernels (up to 3.2)
190 * we can not rely on the ELF entry point - it was 0x800 (the SALIPL
191 * loader) and it won't work. For this case we force it to 0x10000, too.
193 if (pentry
== KERN_IMAGE_START
|| pentry
== 0x800) {
194 char *parm_area
= rom_ptr(KERN_PARM_AREA
, strlen(ipl
->cmdline
) + 1);
195 ipl
->start_addr
= KERN_IMAGE_START
;
196 /* Overwrite parameters in the kernel image, which are "rom" */
198 strcpy(parm_area
, ipl
->cmdline
);
201 ipl
->start_addr
= pentry
;
205 ram_addr_t initrd_offset
;
209 initrd_offset
= INITRD_START
;
210 while (kernel_size
+ 0x100000 > initrd_offset
) {
211 initrd_offset
+= 0x100000;
213 initrd_size
= load_image_targphys(ipl
->initrd
, initrd_offset
,
214 ms
->ram_size
- initrd_offset
);
215 if (initrd_size
== -1) {
216 error_setg(errp
, "could not load initrd '%s'", ipl
->initrd
);
221 * we have to overwrite values in the kernel image,
224 romptr
= rom_ptr(INITRD_PARM_START
, 16);
226 stq_p(romptr
, initrd_offset
);
227 stq_p(romptr
+ 1, initrd_size
);
232 * Don't ever use the migrated values, they could come from a different
233 * BIOS and therefore don't work. But still migrate the values, so
234 * QEMUs relying on it don't break.
236 ipl
->compat_start_addr
= ipl
->start_addr
;
237 ipl
->compat_bios_start_addr
= ipl
->bios_start_addr
;
239 * Because this Device is not on any bus in the qbus tree (it is
240 * not a sysbus device and it's not on some other bus like a PCI
241 * bus) it will not be automatically reset by the 'reset the
242 * sysbus' hook registered by vl.c like most devices. So we must
243 * manually register a reset hook for it.
244 * TODO: there should be a better way to do this.
246 qemu_register_reset(resettable_cold_reset_fn
, dev
);
249 static Property s390_ipl_properties
[] = {
250 DEFINE_PROP_STRING("kernel", S390IPLState
, kernel
),
251 DEFINE_PROP_STRING("initrd", S390IPLState
, initrd
),
252 DEFINE_PROP_STRING("cmdline", S390IPLState
, cmdline
),
253 DEFINE_PROP_STRING("firmware", S390IPLState
, firmware
),
254 DEFINE_PROP_STRING("netboot_fw", S390IPLState
, netboot_fw
),
255 DEFINE_PROP_BOOL("enforce_bios", S390IPLState
, enforce_bios
, false),
256 DEFINE_PROP_BOOL("iplbext_migration", S390IPLState
, iplbext_migration
,
258 DEFINE_PROP_END_OF_LIST(),
261 static void s390_ipl_set_boot_menu(S390IPLState
*ipl
)
263 QemuOptsList
*plist
= qemu_find_opts("boot-opts");
264 QemuOpts
*opts
= QTAILQ_FIRST(&plist
->head
);
266 unsigned long splash_time
= 0;
268 if (!get_boot_device(0)) {
270 error_report("boot menu requires a bootindex to be specified for "
276 switch (ipl
->iplb
.pbt
) {
277 case S390_IPL_TYPE_CCW
:
278 /* In the absence of -boot menu, use zipl parameters */
279 if (!qemu_opt_get(opts
, "menu")) {
280 ipl
->qipl
.qipl_flags
|= QIPL_FLAG_BM_OPTS_ZIPL
;
284 case S390_IPL_TYPE_QEMU_SCSI
:
288 error_report("boot menu is not supported for this device type");
297 ipl
->qipl
.qipl_flags
|= QIPL_FLAG_BM_OPTS_CMD
;
299 tmp
= qemu_opt_get(opts
, "splash-time");
301 if (tmp
&& qemu_strtoul(tmp
, NULL
, 10, &splash_time
)) {
302 error_report("splash-time is invalid, forcing it to 0");
303 ipl
->qipl
.boot_menu_timeout
= 0;
307 if (splash_time
> 0xffffffff) {
308 error_report("splash-time is too large, forcing it to max value");
309 ipl
->qipl
.boot_menu_timeout
= 0xffffffff;
313 ipl
->qipl
.boot_menu_timeout
= cpu_to_be32(splash_time
);
316 #define CCW_DEVTYPE_NONE 0x00
317 #define CCW_DEVTYPE_VIRTIO 0x01
318 #define CCW_DEVTYPE_VIRTIO_NET 0x02
319 #define CCW_DEVTYPE_SCSI 0x03
320 #define CCW_DEVTYPE_VFIO 0x04
322 static CcwDevice
*s390_get_ccw_device(DeviceState
*dev_st
, int *devtype
)
324 CcwDevice
*ccw_dev
= NULL
;
325 int tmp_dt
= CCW_DEVTYPE_NONE
;
328 VirtIONet
*virtio_net_dev
= (VirtIONet
*)
329 object_dynamic_cast(OBJECT(dev_st
), TYPE_VIRTIO_NET
);
330 VirtioCcwDevice
*virtio_ccw_dev
= (VirtioCcwDevice
*)
331 object_dynamic_cast(OBJECT(qdev_get_parent_bus(dev_st
)->parent
),
332 TYPE_VIRTIO_CCW_DEVICE
);
333 VFIOCCWDevice
*vfio_ccw_dev
= (VFIOCCWDevice
*)
334 object_dynamic_cast(OBJECT(dev_st
), TYPE_VFIO_CCW
);
336 if (virtio_ccw_dev
) {
337 ccw_dev
= CCW_DEVICE(virtio_ccw_dev
);
338 if (virtio_net_dev
) {
339 tmp_dt
= CCW_DEVTYPE_VIRTIO_NET
;
341 tmp_dt
= CCW_DEVTYPE_VIRTIO
;
343 } else if (vfio_ccw_dev
) {
344 ccw_dev
= CCW_DEVICE(vfio_ccw_dev
);
345 tmp_dt
= CCW_DEVTYPE_VFIO
;
347 SCSIDevice
*sd
= (SCSIDevice
*)
348 object_dynamic_cast(OBJECT(dev_st
),
351 SCSIBus
*bus
= scsi_bus_from_device(sd
);
352 VirtIOSCSI
*vdev
= container_of(bus
, VirtIOSCSI
, bus
);
353 VirtIOSCSICcw
*scsi_ccw
= container_of(vdev
, VirtIOSCSICcw
,
356 ccw_dev
= (CcwDevice
*)object_dynamic_cast(OBJECT(scsi_ccw
),
358 tmp_dt
= CCW_DEVTYPE_SCSI
;
368 static bool s390_gen_initial_iplb(S390IPLState
*ipl
)
371 CcwDevice
*ccw_dev
= NULL
;
375 dev_st
= get_boot_device(0);
377 ccw_dev
= s390_get_ccw_device(dev_st
, &devtype
);
381 * Currently allow IPL only from CCW devices.
385 case CCW_DEVTYPE_SCSI
:
386 sd
= SCSI_DEVICE(dev_st
);
387 ipl
->iplb
.len
= cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN
);
389 cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN
- S390_IPLB_HEADER_LEN
);
390 ipl
->iplb
.pbt
= S390_IPL_TYPE_QEMU_SCSI
;
391 ipl
->iplb
.scsi
.lun
= cpu_to_be32(sd
->lun
);
392 ipl
->iplb
.scsi
.target
= cpu_to_be16(sd
->id
);
393 ipl
->iplb
.scsi
.channel
= cpu_to_be16(sd
->channel
);
394 ipl
->iplb
.scsi
.devno
= cpu_to_be16(ccw_dev
->sch
->devno
);
395 ipl
->iplb
.scsi
.ssid
= ccw_dev
->sch
->ssid
& 3;
397 case CCW_DEVTYPE_VFIO
:
398 ipl
->iplb
.len
= cpu_to_be32(S390_IPLB_MIN_CCW_LEN
);
399 ipl
->iplb
.pbt
= S390_IPL_TYPE_CCW
;
400 ipl
->iplb
.ccw
.devno
= cpu_to_be16(ccw_dev
->sch
->devno
);
401 ipl
->iplb
.ccw
.ssid
= ccw_dev
->sch
->ssid
& 3;
403 case CCW_DEVTYPE_VIRTIO_NET
:
405 /* Fall through to CCW_DEVTYPE_VIRTIO case */
406 case CCW_DEVTYPE_VIRTIO
:
407 ipl
->iplb
.len
= cpu_to_be32(S390_IPLB_MIN_CCW_LEN
);
409 cpu_to_be32(S390_IPLB_MIN_CCW_LEN
- S390_IPLB_HEADER_LEN
);
410 ipl
->iplb
.pbt
= S390_IPL_TYPE_CCW
;
411 ipl
->iplb
.ccw
.devno
= cpu_to_be16(ccw_dev
->sch
->devno
);
412 ipl
->iplb
.ccw
.ssid
= ccw_dev
->sch
->ssid
& 3;
416 if (!s390_ipl_set_loadparm(ipl
->iplb
.loadparm
)) {
417 ipl
->iplb
.flags
|= DIAG308_FLAGS_LP_VALID
;
426 int s390_ipl_set_loadparm(uint8_t *loadparm
)
428 MachineState
*machine
= MACHINE(qdev_get_machine());
429 char *lp
= object_property_get_str(OBJECT(machine
), "loadparm", NULL
);
434 /* lp is an uppercase string without leading/embedded spaces */
435 for (i
= 0; i
< 8 && lp
[i
]; i
++) {
436 loadparm
[i
] = ascii2ebcdic
[(uint8_t) lp
[i
]];
440 memset(loadparm
+ i
, 0x40, 8 - i
); /* fill with EBCDIC spaces */
450 static int load_netboot_image(Error
**errp
)
452 MachineState
*ms
= MACHINE(qdev_get_machine());
453 S390IPLState
*ipl
= get_ipl_device();
454 char *netboot_filename
;
455 MemoryRegion
*sysmem
= get_system_memory();
456 MemoryRegion
*mr
= NULL
;
457 void *ram_ptr
= NULL
;
460 mr
= memory_region_find(sysmem
, 0, 1).mr
;
462 error_setg(errp
, "Failed to find memory region at address 0");
466 ram_ptr
= memory_region_get_ram_ptr(mr
);
468 error_setg(errp
, "No RAM found");
472 netboot_filename
= qemu_find_file(QEMU_FILE_TYPE_BIOS
, ipl
->netboot_fw
);
473 if (netboot_filename
== NULL
) {
474 error_setg(errp
, "Could not find network bootloader '%s'",
479 img_size
= load_elf_ram(netboot_filename
, NULL
, NULL
, NULL
,
481 NULL
, NULL
, NULL
, 1, EM_S390
, 0, 0, NULL
,
485 img_size
= load_image_size(netboot_filename
, ram_ptr
, ms
->ram_size
);
486 ipl
->start_addr
= KERN_IMAGE_START
;
490 error_setg(errp
, "Failed to load network bootloader");
493 g_free(netboot_filename
);
496 memory_region_unref(mr
);
500 static bool is_virtio_ccw_device_of_type(IplParameterBlock
*iplb
,
507 SubchDev
*sch
= NULL
;
509 if (iplb
->pbt
!= S390_IPL_TYPE_CCW
) {
513 devno
= be16_to_cpu(iplb
->ccw
.devno
);
514 ssid
= iplb
->ccw
.ssid
& 3;
516 for (schid
= 0; schid
< MAX_SCHID
; schid
++) {
517 for (cssid
= 0; cssid
< MAX_CSSID
; cssid
++) {
518 sch
= css_find_subch(1, cssid
, ssid
, schid
);
520 if (sch
&& sch
->devno
== devno
) {
521 return sch
->id
.cu_model
== virtio_id
;
528 static bool is_virtio_net_device(IplParameterBlock
*iplb
)
530 return is_virtio_ccw_device_of_type(iplb
, VIRTIO_ID_NET
);
533 static bool is_virtio_scsi_device(IplParameterBlock
*iplb
)
535 return is_virtio_ccw_device_of_type(iplb
, VIRTIO_ID_SCSI
);
538 static void update_machine_ipl_properties(IplParameterBlock
*iplb
)
540 Object
*machine
= qdev_get_machine();
544 if (iplb
->flags
& DIAG308_FLAGS_LP_VALID
) {
545 uint8_t *ebcdic_loadparm
= iplb
->loadparm
;
546 char ascii_loadparm
[9];
549 for (i
= 0; i
< 8 && ebcdic_loadparm
[i
]; i
++) {
550 ascii_loadparm
[i
] = ebcdic2ascii
[(uint8_t) ebcdic_loadparm
[i
]];
552 ascii_loadparm
[i
] = 0;
553 object_property_set_str(machine
, "loadparm", ascii_loadparm
, &err
);
555 object_property_set_str(machine
, "loadparm", "", &err
);
558 warn_report_err(err
);
562 void s390_ipl_update_diag308(IplParameterBlock
*iplb
)
564 S390IPLState
*ipl
= get_ipl_device();
567 * The IPLB set and retrieved by subcodes 8/9 is completely
568 * separate from the one managed via subcodes 5/6.
570 if (iplb
->pbt
== S390_IPL_TYPE_PV
) {
571 ipl
->iplb_pv
= *iplb
;
572 ipl
->iplb_valid_pv
= true;
575 ipl
->iplb_valid
= true;
577 ipl
->netboot
= is_virtio_net_device(iplb
);
578 update_machine_ipl_properties(iplb
);
581 IplParameterBlock
*s390_ipl_get_iplb_pv(void)
583 S390IPLState
*ipl
= get_ipl_device();
585 if (!ipl
->iplb_valid_pv
) {
588 return &ipl
->iplb_pv
;
591 IplParameterBlock
*s390_ipl_get_iplb(void)
593 S390IPLState
*ipl
= get_ipl_device();
595 if (!ipl
->iplb_valid
) {
601 void s390_ipl_reset_request(CPUState
*cs
, enum s390_reset reset_type
)
603 S390IPLState
*ipl
= get_ipl_device();
605 if (reset_type
== S390_RESET_EXTERNAL
|| reset_type
== S390_RESET_REIPL
) {
606 /* use CPU 0 for full resets */
607 ipl
->reset_cpu_index
= 0;
609 ipl
->reset_cpu_index
= cs
->cpu_index
;
611 ipl
->reset_type
= reset_type
;
613 if (reset_type
== S390_RESET_REIPL
&&
616 ipl
->iplb
.pbt
== S390_IPL_TYPE_CCW
&&
617 is_virtio_scsi_device(&ipl
->iplb
)) {
618 CcwDevice
*ccw_dev
= s390_get_ccw_device(get_boot_device(0), NULL
);
621 cpu_to_be16(ccw_dev
->sch
->devno
) == ipl
->iplb
.ccw
.devno
&&
622 (ccw_dev
->sch
->ssid
& 3) == ipl
->iplb
.ccw
.ssid
) {
624 * this is the original boot device's SCSI
625 * so restore IPL parameter info from it
627 ipl
->iplb_valid
= s390_gen_initial_iplb(ipl
);
630 if (reset_type
== S390_RESET_MODIFIED_CLEAR
||
631 reset_type
== S390_RESET_LOAD_NORMAL
||
632 reset_type
== S390_RESET_PV
) {
633 /* ignore -no-reboot, send no event */
634 qemu_system_reset_request(SHUTDOWN_CAUSE_SUBSYSTEM_RESET
);
636 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET
);
638 /* as this is triggered by a CPU, make sure to exit the loop */
644 void s390_ipl_get_reset_request(CPUState
**cs
, enum s390_reset
*reset_type
)
646 S390IPLState
*ipl
= get_ipl_device();
648 *cs
= qemu_get_cpu(ipl
->reset_cpu_index
);
653 *reset_type
= ipl
->reset_type
;
656 void s390_ipl_clear_reset_request(void)
658 S390IPLState
*ipl
= get_ipl_device();
660 ipl
->reset_type
= S390_RESET_EXTERNAL
;
661 /* use CPU 0 for full resets */
662 ipl
->reset_cpu_index
= 0;
665 static void s390_ipl_prepare_qipl(S390CPU
*cpu
)
667 S390IPLState
*ipl
= get_ipl_device();
671 addr
= cpu_physical_memory_map(cpu
->env
.psa
, &len
, true);
672 if (!addr
|| len
< QIPL_ADDRESS
+ sizeof(QemuIplParameters
)) {
673 error_report("Cannot set QEMU IPL parameters");
676 memcpy(addr
+ QIPL_ADDRESS
, &ipl
->qipl
, sizeof(QemuIplParameters
));
677 cpu_physical_memory_unmap(addr
, len
, 1, len
);
680 int s390_ipl_prepare_pv_header(void)
682 IplParameterBlock
*ipib
= s390_ipl_get_iplb_pv();
683 IPLBlockPV
*ipib_pv
= &ipib
->pv
;
684 void *hdr
= g_malloc(ipib_pv
->pv_header_len
);
687 cpu_physical_memory_read(ipib_pv
->pv_header_addr
, hdr
,
688 ipib_pv
->pv_header_len
);
689 rc
= s390_pv_set_sec_parms((uintptr_t)hdr
,
690 ipib_pv
->pv_header_len
);
695 int s390_ipl_pv_unpack(void)
697 IplParameterBlock
*ipib
= s390_ipl_get_iplb_pv();
698 IPLBlockPV
*ipib_pv
= &ipib
->pv
;
701 for (i
= 0; i
< ipib_pv
->num_comp
; i
++) {
702 rc
= s390_pv_unpack(ipib_pv
->components
[i
].addr
,
703 TARGET_PAGE_ALIGN(ipib_pv
->components
[i
].size
),
704 ipib_pv
->components
[i
].tweak_pref
);
712 void s390_ipl_prepare_cpu(S390CPU
*cpu
)
714 S390IPLState
*ipl
= get_ipl_device();
717 cpu
->env
.psw
.addr
= ipl
->start_addr
;
718 cpu
->env
.psw
.mask
= IPL_PSW_MASK
;
720 if (!ipl
->kernel
|| ipl
->iplb_valid
) {
721 cpu
->env
.psw
.addr
= ipl
->bios_start_addr
;
722 if (!ipl
->iplb_valid
) {
723 ipl
->iplb_valid
= s390_gen_initial_iplb(ipl
);
727 if (load_netboot_image(&err
) < 0) {
728 error_report_err(err
);
731 ipl
->qipl
.netboot_start_addr
= cpu_to_be64(ipl
->start_addr
);
733 s390_ipl_set_boot_menu(ipl
);
734 s390_ipl_prepare_qipl(cpu
);
737 static void s390_ipl_reset(DeviceState
*dev
)
739 S390IPLState
*ipl
= S390_IPL(dev
);
741 if (ipl
->reset_type
!= S390_RESET_REIPL
) {
742 ipl
->iplb_valid
= false;
743 memset(&ipl
->iplb
, 0, sizeof(IplParameterBlock
));
747 static void s390_ipl_class_init(ObjectClass
*klass
, void *data
)
749 DeviceClass
*dc
= DEVICE_CLASS(klass
);
751 dc
->realize
= s390_ipl_realize
;
752 device_class_set_props(dc
, s390_ipl_properties
);
753 dc
->reset
= s390_ipl_reset
;
754 dc
->vmsd
= &vmstate_ipl
;
755 set_bit(DEVICE_CATEGORY_MISC
, dc
->categories
);
756 /* Reason: Loads the ROMs and thus can only be used one time - internally */
757 dc
->user_creatable
= false;
760 static const TypeInfo s390_ipl_info
= {
761 .class_init
= s390_ipl_class_init
,
762 .parent
= TYPE_DEVICE
,
763 .name
= TYPE_S390_IPL
,
764 .instance_size
= sizeof(S390IPLState
),
767 static void s390_ipl_register_types(void)
769 type_register_static(&s390_ipl_info
);
772 type_init(s390_ipl_register_types
)