mirror of https://gitee.com/openkylin/qemu.git
s390x/kvm/migration/cpumodel: fixes, enhancements and cleanups
- add a network boot rom for s390 (Thomas Huth) - migration of storage attributes like the CMMA used/unused state - PCI related enhancements - full support for aen, ais and zpci - migration support for css with vmstates (Halil Pasic) - cpu model enhancements for cpu features - guarded storage support -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (GNU/Linux) iQIcBAABAgAGBQJZaJ3gAAoJEBF7vIC1phx8VSAP/1zKh7ti4Y2dIVb94c1tvECE LRNdCdAPhEqL6zybty85aG04sjAmSu50NGfo5t8AGq1U9WBWrCy7/wWSFdK2GI63 Umc1fR7aBF9FiFayKONhExaREh6gSWVHZF1RyaPIWnnjRIeX8nqgPEnpdZNiVVrG 5cKHV2SUd5pMDJUiQdZGZgbgG1c+MWJx2BHoduM+K0UnmFjpyLCL4Rq58Q2Q87Nj /+yPSVApFFeMsDpem6DNttE6Msa+V+K+EmRhRKqZNOWrdRKH5vvj6Fl/LSxVtd9c CEG+aZGjFd693uP9ge0WmjeUJtVHIGt9xKdeU0d7FijZWehjsIqalLoqapzK8ddF h6HJuNsmk/SZF7O9JsbHT3Epyr+7Hk0dx78Ku1GNQuUxtFL93eyIJmRdgz7Zo3Lj ZTPJvCA13GjPWtgzG5dG3JH1hiAS+Yai18BgdzGbs+qfMCwPdbWkoqg7sARwAJNe 50fo/ayJvcmHJnSNO6hErFoU38WctGgO8fWp+oVvD8Um1ny1aBFFuJgJIMf47nhu x1IdA6UGrNN0yNC4/UgyYBDV1hfvo/phMdoHqle9AcMmPYOD1DBr0genK/bYbICk Dio7og9nKgheLRBHz2u5TuYcCsfE/7rtwZX+iXMvoC7VE7Dqs+Q7Zjwwwtwj4x9F FwWuf/Bv1s6IkVLlP8Ow =2bOV -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/borntraeger/tags/s390x-20170714' into staging s390x/kvm/migration/cpumodel: fixes, enhancements and cleanups - add a network boot rom for s390 (Thomas Huth) - migration of storage attributes like the CMMA used/unused state - PCI related enhancements - full support for aen, ais and zpci - migration support for css with vmstates (Halil Pasic) - cpu model enhancements for cpu features - guarded storage support # gpg: Signature made Fri 14 Jul 2017 11:33:04 BST # gpg: using RSA key 0x117BBC80B5A61C7C # gpg: Good signature from "Christian Borntraeger (IBM) <borntraeger@de.ibm.com>" # Primary key fingerprint: F922 9381 A334 08F9 DBAB FBCA 117B BC80 B5A6 1C7C * remotes/borntraeger/tags/s390x-20170714: (40 commits) s390x/gdb: add gs registers s390x/arch_dump: also dump guarded storage control block s390x/kvm: enable guarded storage s390x/kvm: Enable KSS facility for nested virtualization s390x/cpumodel: add esop/esop2 to z12 model s390x/cpumodel: we are always in zarchitecture mode s390x/cpumodel: wire up new hardware features s390x/flic: migrate ais states s390x/cpumodel: add zpci, aen and ais facilities s390x: initialize cpu firstly pc-bios/s390: rebuild s390-ccw.img pc-bios/s390: add s390-netboot.img pc-bios/s390-ccw: Link libnet into the netboot image and do the TFTP load pc-bios/s390-ccw: Add virtio-net driver code pc-bios/s390-ccw: Add core files for the network bootloading program roms/SLOF: Update submodule to latest status pc-bios/s390-ccw: Add code for virtio feature negotiation pc-bios/s390-ccw: Remove unused structs from virtio.h pc-bios/s390-ccw: Move byteswap functions to a separate header pc-bios/s390-ccw: Add a write() function for stdio ... Conflicts: target/s390x/kvm.c Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
commit
fbc8ea1ed0
2
Makefile
2
Makefile
|
|
@ -553,7 +553,7 @@ efi-e1000e.rom efi-vmxnet3.rom \
|
|||
qemu-icon.bmp qemu_logo_no_text.svg \
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bamboo.dtb petalogix-s3adsp1800.dtb petalogix-ml605.dtb \
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multiboot.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin \
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s390-ccw.img \
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s390-ccw.img s390-netboot.img \
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spapr-rtas.bin slof.bin skiboot.lid \
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palcode-clipper \
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u-boot.e500 \
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||||
|
|
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|||
|
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@ -6231,7 +6231,7 @@ case "$target_name" in
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echo "TARGET_ABI32=y" >> $config_target_mak
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;;
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s390x)
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gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml"
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gdb_xml_files="s390x-core64.xml s390-acr.xml s390-fpr.xml s390-vx.xml s390-cr.xml s390-virt.xml s390-gs.xml"
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;;
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tilegx)
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;;
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|
|
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@ -0,0 +1,14 @@
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<?xml version="1.0"?>
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<!-- Copyright 2017 IBM Corp.
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This work is licensed under the terms of the GNU GPL, version 2 or
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(at your option) any later version. See the COPYING file in the
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top-level directory. -->
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<!DOCTYPE feature SYSTEM "gdb-target.dtd">
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<feature name="org.gnu.gdb.s390.gs">
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<reg name="gs_reserved" bitsize="64" type="uint64" group="system"/>
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<reg name="gsd" bitsize="64" type="uint64" group="system"/>
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<reg name="gssm" bitsize="64" type="uint64" group="system"/>
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<reg name="gsepla" bitsize="64" type="data_ptr" group="system"/>
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</feature>
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|
|
@ -775,6 +775,22 @@ STEXI
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@item info skeys @var{address}
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@findex skeys
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Display the value of a storage key (s390 only)
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ETEXI
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||||
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#if defined(TARGET_S390X)
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{
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.name = "cmma",
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.args_type = "addr:l,count:l?",
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.params = "address [count]",
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.help = "Display the values of the CMMA storage attributes for a range of pages",
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.cmd = hmp_info_cmma,
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},
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#endif
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||||
|
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STEXI
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@item info cmma @var{address}
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@findex cmma
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Display the values of the CMMA storage attributes for a range of pages (s390 only)
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ETEXI
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||||
|
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{
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||||
|
|
|
|||
|
|
@ -1151,6 +1151,22 @@ STEXI
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@item dump-skeys @var{filename}
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@findex dump-skeys
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Save guest storage keys to a file.
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ETEXI
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#if defined(TARGET_S390X)
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{
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.name = "migration_mode",
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.args_type = "mode:i",
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.params = "mode",
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.help = "Enables or disables migration mode\n",
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.cmd = hmp_migrationmode,
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},
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#endif
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|
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STEXI
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@item migration_mode @var{mode}
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@findex migration_mode
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Enables or disables migration mode.
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ETEXI
|
||||
|
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{
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|
|
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|
|
@ -13,8 +13,11 @@
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|||
#include "qemu/osdep.h"
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#include "qemu/error-report.h"
|
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#include "hw/sysbus.h"
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#include "hw/s390x/ioinst.h"
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#include "hw/s390x/s390_flic.h"
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#include "hw/s390x/css.h"
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#include "trace.h"
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#include "cpu.h"
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#include "hw/qdev.h"
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#include "qapi/error.h"
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#include "hw/s390x/s390-virtio-ccw.h"
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|
|
@ -48,7 +51,7 @@ void s390_flic_init(void)
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|||
|
||||
static int qemu_s390_register_io_adapter(S390FLICState *fs, uint32_t id,
|
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uint8_t isc, bool swap,
|
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bool is_maskable)
|
||||
bool is_maskable, uint8_t flags)
|
||||
{
|
||||
/* nothing to do */
|
||||
return 0;
|
||||
|
|
@ -79,15 +82,91 @@ static int qemu_s390_clear_io_flic(S390FLICState *fs, uint16_t subchannel_id,
|
|||
return -ENOSYS;
|
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}
|
||||
|
||||
static int qemu_s390_modify_ais_mode(S390FLICState *fs, uint8_t isc,
|
||||
uint16_t mode)
|
||||
{
|
||||
QEMUS390FLICState *flic = QEMU_S390_FLIC(fs);
|
||||
|
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switch (mode) {
|
||||
case SIC_IRQ_MODE_ALL:
|
||||
flic->simm &= ~AIS_MODE_MASK(isc);
|
||||
flic->nimm &= ~AIS_MODE_MASK(isc);
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||||
break;
|
||||
case SIC_IRQ_MODE_SINGLE:
|
||||
flic->simm |= AIS_MODE_MASK(isc);
|
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flic->nimm &= ~AIS_MODE_MASK(isc);
|
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break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qemu_s390_inject_airq(S390FLICState *fs, uint8_t type,
|
||||
uint8_t isc, uint8_t flags)
|
||||
{
|
||||
QEMUS390FLICState *flic = QEMU_S390_FLIC(fs);
|
||||
bool flag = flags & S390_ADAPTER_SUPPRESSIBLE;
|
||||
uint32_t io_int_word = (isc << 27) | IO_INT_WORD_AI;
|
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|
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if (flag && (flic->nimm & AIS_MODE_MASK(isc))) {
|
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trace_qemu_s390_airq_suppressed(type, isc);
|
||||
return 0;
|
||||
}
|
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|
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s390_io_interrupt(0, 0, 0, io_int_word);
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|
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if (flag && (flic->simm & AIS_MODE_MASK(isc))) {
|
||||
flic->nimm |= AIS_MODE_MASK(isc);
|
||||
trace_qemu_s390_suppress_airq(isc, "Single-Interruption Mode",
|
||||
"NO-Interruptions Mode");
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void qemu_s390_flic_reset(DeviceState *dev)
|
||||
{
|
||||
QEMUS390FLICState *flic = QEMU_S390_FLIC(dev);
|
||||
|
||||
flic->simm = 0;
|
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flic->nimm = 0;
|
||||
}
|
||||
|
||||
bool ais_needed(void *opaque)
|
||||
{
|
||||
S390FLICState *s = opaque;
|
||||
|
||||
return s->ais_supported;
|
||||
}
|
||||
|
||||
static const VMStateDescription qemu_s390_flic_vmstate = {
|
||||
.name = "qemu-s390-flic",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.needed = ais_needed,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_UINT8(simm, QEMUS390FLICState),
|
||||
VMSTATE_UINT8(nimm, QEMUS390FLICState),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
||||
static void qemu_s390_flic_class_init(ObjectClass *oc, void *data)
|
||||
{
|
||||
DeviceClass *dc = DEVICE_CLASS(oc);
|
||||
S390FLICStateClass *fsc = S390_FLIC_COMMON_CLASS(oc);
|
||||
|
||||
dc->reset = qemu_s390_flic_reset;
|
||||
dc->vmsd = &qemu_s390_flic_vmstate;
|
||||
fsc->register_io_adapter = qemu_s390_register_io_adapter;
|
||||
fsc->io_adapter_map = qemu_s390_io_adapter_map;
|
||||
fsc->add_adapter_routes = qemu_s390_add_adapter_routes;
|
||||
fsc->release_adapter_routes = qemu_s390_release_adapter_routes;
|
||||
fsc->clear_io_irq = qemu_s390_clear_io_flic;
|
||||
fsc->modify_ais_mode = qemu_s390_modify_ais_mode;
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||||
fsc->inject_airq = qemu_s390_inject_airq;
|
||||
}
|
||||
|
||||
static Property s390_flic_common_properties[] = {
|
||||
|
|
@ -98,12 +177,16 @@ static Property s390_flic_common_properties[] = {
|
|||
|
||||
static void s390_flic_common_realize(DeviceState *dev, Error **errp)
|
||||
{
|
||||
uint32_t max_batch = S390_FLIC_COMMON(dev)->adapter_routes_max_batch;
|
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S390FLICState *fs = S390_FLIC_COMMON(dev);
|
||||
uint32_t max_batch = fs->adapter_routes_max_batch;
|
||||
|
||||
if (max_batch > ADAPTER_ROUTES_MAX_GSI) {
|
||||
error_setg(errp, "flic property adapter_routes_max_batch too big"
|
||||
" (%d > %d)", max_batch, ADAPTER_ROUTES_MAX_GSI);
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return;
|
||||
}
|
||||
|
||||
fs->ais_supported = s390_has_feat(S390_FEAT_ADAPTER_INT_SUPPRESSION);
|
||||
}
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||||
|
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static void s390_flic_class_init(ObjectClass *oc, void *data)
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||||
|
|
@ -138,6 +221,22 @@ static void qemu_s390_flic_register_types(void)
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|||
|
||||
type_init(qemu_s390_flic_register_types)
|
||||
|
||||
static bool adapter_info_so_needed(void *opaque)
|
||||
{
|
||||
return css_migration_enabled();
|
||||
}
|
||||
|
||||
const VMStateDescription vmstate_adapter_info_so = {
|
||||
.name = "s390_adapter_info/summary_offset",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.needed = adapter_info_so_needed,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_UINT32(summary_offset, AdapterInfo),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
||||
const VMStateDescription vmstate_adapter_info = {
|
||||
.name = "s390_adapter_info",
|
||||
.version_id = 1,
|
||||
|
|
@ -151,6 +250,10 @@ const VMStateDescription vmstate_adapter_info = {
|
|||
*/
|
||||
VMSTATE_END_OF_LIST()
|
||||
},
|
||||
.subsections = (const VMStateDescription * []) {
|
||||
&vmstate_adapter_info_so,
|
||||
NULL
|
||||
}
|
||||
};
|
||||
|
||||
const VMStateDescription vmstate_adapter_routes = {
|
||||
|
|
|
|||
|
|
@ -20,6 +20,7 @@
|
|||
#include "sysemu/kvm.h"
|
||||
#include "hw/s390x/s390_flic.h"
|
||||
#include "hw/s390x/adapter.h"
|
||||
#include "hw/s390x/css.h"
|
||||
#include "trace.h"
|
||||
|
||||
#define FLIC_SAVE_INITIAL_SIZE getpagesize()
|
||||
|
|
@ -149,6 +150,43 @@ static int kvm_s390_clear_io_flic(S390FLICState *fs, uint16_t subchannel_id,
|
|||
return rc ? -errno : 0;
|
||||
}
|
||||
|
||||
static int kvm_s390_modify_ais_mode(S390FLICState *fs, uint8_t isc,
|
||||
uint16_t mode)
|
||||
{
|
||||
KVMS390FLICState *flic = KVM_S390_FLIC(fs);
|
||||
struct kvm_s390_ais_req req = {
|
||||
.isc = isc,
|
||||
.mode = mode,
|
||||
};
|
||||
struct kvm_device_attr attr = {
|
||||
.group = KVM_DEV_FLIC_AISM,
|
||||
.addr = (uint64_t)&req,
|
||||
};
|
||||
|
||||
if (!fs->ais_supported) {
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
|
||||
}
|
||||
|
||||
static int kvm_s390_inject_airq(S390FLICState *fs, uint8_t type,
|
||||
uint8_t isc, uint8_t flags)
|
||||
{
|
||||
KVMS390FLICState *flic = KVM_S390_FLIC(fs);
|
||||
uint32_t id = css_get_adapter_id(type, isc);
|
||||
struct kvm_device_attr attr = {
|
||||
.group = KVM_DEV_FLIC_AIRQ_INJECT,
|
||||
.attr = id,
|
||||
};
|
||||
|
||||
if (!fs->ais_supported) {
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* __get_all_irqs - store all pending irqs in buffer
|
||||
* @flic: pointer to flic device state
|
||||
|
|
@ -186,13 +224,14 @@ static int __get_all_irqs(KVMS390FLICState *flic,
|
|||
|
||||
static int kvm_s390_register_io_adapter(S390FLICState *fs, uint32_t id,
|
||||
uint8_t isc, bool swap,
|
||||
bool is_maskable)
|
||||
bool is_maskable, uint8_t flags)
|
||||
{
|
||||
struct kvm_s390_io_adapter adapter = {
|
||||
.id = id,
|
||||
.isc = isc,
|
||||
.maskable = is_maskable,
|
||||
.swap = swap,
|
||||
.flags = flags,
|
||||
};
|
||||
KVMS390FLICState *flic = KVM_S390_FLIC(fs);
|
||||
int r;
|
||||
|
|
@ -374,7 +413,84 @@ out:
|
|||
return r;
|
||||
}
|
||||
|
||||
typedef struct KVMS390FLICStateMigTmp {
|
||||
KVMS390FLICState *parent;
|
||||
uint8_t simm;
|
||||
uint8_t nimm;
|
||||
} KVMS390FLICStateMigTmp;
|
||||
|
||||
static void kvm_flic_ais_pre_save(void *opaque)
|
||||
{
|
||||
KVMS390FLICStateMigTmp *tmp = opaque;
|
||||
KVMS390FLICState *flic = tmp->parent;
|
||||
struct kvm_s390_ais_all ais;
|
||||
struct kvm_device_attr attr = {
|
||||
.group = KVM_DEV_FLIC_AISM_ALL,
|
||||
.addr = (uint64_t)&ais,
|
||||
.attr = sizeof(ais),
|
||||
};
|
||||
|
||||
if (ioctl(flic->fd, KVM_GET_DEVICE_ATTR, &attr)) {
|
||||
error_report("Failed to retrieve kvm flic ais states");
|
||||
return;
|
||||
}
|
||||
|
||||
tmp->simm = ais.simm;
|
||||
tmp->nimm = ais.nimm;
|
||||
}
|
||||
|
||||
static int kvm_flic_ais_post_load(void *opaque, int version_id)
|
||||
{
|
||||
KVMS390FLICStateMigTmp *tmp = opaque;
|
||||
KVMS390FLICState *flic = tmp->parent;
|
||||
struct kvm_s390_ais_all ais = {
|
||||
.simm = tmp->simm,
|
||||
.nimm = tmp->nimm,
|
||||
};
|
||||
struct kvm_device_attr attr = {
|
||||
.group = KVM_DEV_FLIC_AISM_ALL,
|
||||
.addr = (uint64_t)&ais,
|
||||
};
|
||||
|
||||
/* This can happen when the user mis-configures its guests in an
|
||||
* incompatible fashion or without a CPU model. For example using
|
||||
* qemu with -cpu host (which is not migration safe) and do a
|
||||
* migration from a host that has AIS to a host that has no AIS.
|
||||
* In that case the target system will reject the migration here.
|
||||
*/
|
||||
if (!ais_needed(flic)) {
|
||||
return -ENOSYS;
|
||||
}
|
||||
|
||||
return ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr) ? -errno : 0;
|
||||
}
|
||||
|
||||
static const VMStateDescription kvm_s390_flic_ais_tmp = {
|
||||
.name = "s390-flic-ais-tmp",
|
||||
.pre_save = kvm_flic_ais_pre_save,
|
||||
.post_load = kvm_flic_ais_post_load,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_UINT8(simm, KVMS390FLICStateMigTmp),
|
||||
VMSTATE_UINT8(nimm, KVMS390FLICStateMigTmp),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
||||
static const VMStateDescription kvm_s390_flic_vmstate_ais = {
|
||||
.name = "s390-flic/ais",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.needed = ais_needed,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_WITH_TMP(KVMS390FLICState, KVMS390FLICStateMigTmp,
|
||||
kvm_s390_flic_ais_tmp),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
||||
static const VMStateDescription kvm_s390_flic_vmstate = {
|
||||
/* should have been like kvm-s390-flic,
|
||||
* can't change without breaking compat */
|
||||
.name = "s390-flic",
|
||||
.version_id = FLIC_SAVEVM_VERSION,
|
||||
.minimum_version_id = FLIC_SAVEVM_VERSION,
|
||||
|
|
@ -389,6 +505,10 @@ static const VMStateDescription kvm_s390_flic_vmstate = {
|
|||
.flags = VMS_SINGLE,
|
||||
},
|
||||
VMSTATE_END_OF_LIST()
|
||||
},
|
||||
.subsections = (const VMStateDescription * []) {
|
||||
&kvm_s390_flic_vmstate_ais,
|
||||
NULL
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -436,7 +556,6 @@ static void kvm_s390_flic_realize(DeviceState *dev, Error **errp)
|
|||
test_attr.group = KVM_DEV_FLIC_CLEAR_IO_IRQ;
|
||||
flic_state->clear_io_supported = !ioctl(flic_state->fd,
|
||||
KVM_HAS_DEVICE_ATTR, test_attr);
|
||||
|
||||
return;
|
||||
fail:
|
||||
error_propagate(errp, errp_local);
|
||||
|
|
@ -445,10 +564,12 @@ fail:
|
|||
static void kvm_s390_flic_reset(DeviceState *dev)
|
||||
{
|
||||
KVMS390FLICState *flic = KVM_S390_FLIC(dev);
|
||||
S390FLICState *fs = S390_FLIC_COMMON(dev);
|
||||
struct kvm_device_attr attr = {
|
||||
.group = KVM_DEV_FLIC_CLEAR_IRQS,
|
||||
};
|
||||
int rc = 0;
|
||||
uint8_t isc;
|
||||
|
||||
if (flic->fd == -1) {
|
||||
return;
|
||||
|
|
@ -456,6 +577,16 @@ static void kvm_s390_flic_reset(DeviceState *dev)
|
|||
|
||||
flic_disable_wait_pfault(flic);
|
||||
|
||||
if (fs->ais_supported) {
|
||||
for (isc = 0; isc <= MAX_ISC; isc++) {
|
||||
rc = kvm_s390_modify_ais_mode(fs, isc, SIC_IRQ_MODE_ALL);
|
||||
if (rc) {
|
||||
error_report("Failed to reset ais mode for isc %d: %s",
|
||||
isc, strerror(-rc));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
rc = ioctl(flic->fd, KVM_SET_DEVICE_ATTR, &attr);
|
||||
if (rc) {
|
||||
trace_flic_reset_failed(errno);
|
||||
|
|
@ -478,6 +609,8 @@ static void kvm_s390_flic_class_init(ObjectClass *oc, void *data)
|
|||
fsc->add_adapter_routes = kvm_s390_add_adapter_routes;
|
||||
fsc->release_adapter_routes = kvm_s390_release_adapter_routes;
|
||||
fsc->clear_io_irq = kvm_s390_clear_io_flic;
|
||||
fsc->modify_ais_mode = kvm_s390_modify_ais_mode;
|
||||
fsc->inject_airq = kvm_s390_inject_airq;
|
||||
}
|
||||
|
||||
static const TypeInfo kvm_s390_flic_info = {
|
||||
|
|
|
|||
|
|
@ -73,6 +73,10 @@ flic_create_device(int err) "flic: create device failed %d"
|
|||
flic_no_device_api(int err) "flic: no Device Contral API support %d"
|
||||
flic_reset_failed(int err) "flic: reset failed %d"
|
||||
|
||||
# hw/intc/s390_flic.c
|
||||
qemu_s390_airq_suppressed(uint8_t type, uint8_t isc) "flic: adapter I/O interrupt suppressed (type %x isc %x)"
|
||||
qemu_s390_suppress_airq(uint8_t isc, const char *from, const char *to) "flic: for isc %x, suppress airq by modifying ais mode from %s to %s"
|
||||
|
||||
# hw/intc/aspeed_vic.c
|
||||
aspeed_vic_set_irq(int irq, int level) "Enabling IRQ %d: %d"
|
||||
aspeed_vic_update_fiq(int flags) "Raising FIQ: %d"
|
||||
|
|
|
|||
|
|
@ -13,5 +13,7 @@ obj-y += css-bridge.o
|
|||
obj-y += ccw-device.o
|
||||
obj-y += s390-pci-bus.o s390-pci-inst.o
|
||||
obj-y += s390-skeys.o
|
||||
obj-y += s390-stattrib.o
|
||||
obj-$(CONFIG_KVM) += s390-skeys-kvm.o
|
||||
obj-$(CONFIG_KVM) += s390-stattrib-kvm.o
|
||||
obj-y += s390-ccw.o
|
||||
|
|
|
|||
|
|
@ -110,7 +110,7 @@ VirtualCssBus *virtual_css_bus_init(void)
|
|||
qbus_set_hotplug_handler(bus, dev, &error_abort);
|
||||
|
||||
css_register_io_adapters(CSS_IO_ADAPTER_VIRTIO, true, false,
|
||||
&error_abort);
|
||||
0, &error_abort);
|
||||
|
||||
return cbus;
|
||||
}
|
||||
|
|
|
|||
196
hw/s390x/css.c
196
hw/s390x/css.c
|
|
@ -29,12 +29,45 @@ typedef struct CrwContainer {
|
|||
QTAILQ_ENTRY(CrwContainer) sibling;
|
||||
} CrwContainer;
|
||||
|
||||
static const VMStateDescription vmstate_crw = {
|
||||
.name = "s390_crw",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_UINT16(flags, CRW),
|
||||
VMSTATE_UINT16(rsid, CRW),
|
||||
VMSTATE_END_OF_LIST()
|
||||
},
|
||||
};
|
||||
|
||||
static const VMStateDescription vmstate_crw_container = {
|
||||
.name = "s390_crw_container",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_STRUCT(crw, CrwContainer, 0, vmstate_crw, CRW),
|
||||
VMSTATE_END_OF_LIST()
|
||||
},
|
||||
};
|
||||
|
||||
typedef struct ChpInfo {
|
||||
uint8_t in_use;
|
||||
uint8_t type;
|
||||
uint8_t is_virtual;
|
||||
} ChpInfo;
|
||||
|
||||
static const VMStateDescription vmstate_chp_info = {
|
||||
.name = "s390_chp_info",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_UINT8(in_use, ChpInfo),
|
||||
VMSTATE_UINT8(type, ChpInfo),
|
||||
VMSTATE_UINT8(is_virtual, ChpInfo),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
||||
typedef struct SubchSet {
|
||||
SubchDev *sch[MAX_SCHID + 1];
|
||||
unsigned long schids_used[BITS_TO_LONGS(MAX_SCHID + 1)];
|
||||
|
|
@ -132,6 +165,36 @@ static const VMStateDescription vmstate_sense_id = {
|
|||
}
|
||||
};
|
||||
|
||||
static const VMStateDescription vmstate_orb = {
|
||||
.name = "s390_orb",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_UINT32(intparm, ORB),
|
||||
VMSTATE_UINT16(ctrl0, ORB),
|
||||
VMSTATE_UINT8(lpm, ORB),
|
||||
VMSTATE_UINT8(ctrl1, ORB),
|
||||
VMSTATE_UINT32(cpa, ORB),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
||||
static bool vmstate_schdev_orb_needed(void *opaque)
|
||||
{
|
||||
return css_migration_enabled();
|
||||
}
|
||||
|
||||
static const VMStateDescription vmstate_schdev_orb = {
|
||||
.name = "s390_subch_dev/orb",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.needed = vmstate_schdev_orb_needed,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_STRUCT(orb, SubchDev, 1, vmstate_orb, ORB),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
||||
static int subch_dev_post_load(void *opaque, int version_id);
|
||||
static void subch_dev_pre_save(void *opaque);
|
||||
|
||||
|
|
@ -160,6 +223,10 @@ const VMStateDescription vmstate_subch_dev = {
|
|||
VMSTATE_BOOL(ccw_fmt_1, SubchDev),
|
||||
VMSTATE_UINT8(ccw_no_data_cnt, SubchDev),
|
||||
VMSTATE_END_OF_LIST()
|
||||
},
|
||||
.subsections = (const VMStateDescription * []) {
|
||||
&vmstate_schdev_orb,
|
||||
NULL
|
||||
}
|
||||
};
|
||||
|
||||
|
|
@ -221,10 +288,24 @@ typedef struct CssImage {
|
|||
ChpInfo chpids[MAX_CHPID + 1];
|
||||
} CssImage;
|
||||
|
||||
static const VMStateDescription vmstate_css_img = {
|
||||
.name = "s390_css_img",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.fields = (VMStateField[]) {
|
||||
/* Subchannel sets have no relevant state. */
|
||||
VMSTATE_STRUCT_ARRAY(chpids, CssImage, MAX_CHPID + 1, 0,
|
||||
vmstate_chp_info, ChpInfo),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
typedef struct IoAdapter {
|
||||
uint32_t id;
|
||||
uint8_t type;
|
||||
uint8_t isc;
|
||||
uint8_t flags;
|
||||
} IoAdapter;
|
||||
|
||||
typedef struct ChannelSubSys {
|
||||
|
|
@ -238,10 +319,34 @@ typedef struct ChannelSubSys {
|
|||
uint64_t chnmon_area;
|
||||
CssImage *css[MAX_CSSID + 1];
|
||||
uint8_t default_cssid;
|
||||
/* don't migrate, see css_register_io_adapters */
|
||||
IoAdapter *io_adapters[CSS_IO_ADAPTER_TYPE_NUMS][MAX_ISC + 1];
|
||||
/* don't migrate, see get_indicator and IndAddrPtrTmp */
|
||||
QTAILQ_HEAD(, IndAddr) indicator_addresses;
|
||||
} ChannelSubSys;
|
||||
|
||||
static const VMStateDescription vmstate_css = {
|
||||
.name = "s390_css",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_QTAILQ_V(pending_crws, ChannelSubSys, 1, vmstate_crw_container,
|
||||
CrwContainer, sibling),
|
||||
VMSTATE_BOOL(sei_pending, ChannelSubSys),
|
||||
VMSTATE_BOOL(do_crw_mchk, ChannelSubSys),
|
||||
VMSTATE_BOOL(crws_lost, ChannelSubSys),
|
||||
/* These were kind of migrated by virtio */
|
||||
VMSTATE_UINT8(max_cssid, ChannelSubSys),
|
||||
VMSTATE_UINT8(max_ssid, ChannelSubSys),
|
||||
VMSTATE_BOOL(chnmon_active, ChannelSubSys),
|
||||
VMSTATE_UINT64(chnmon_area, ChannelSubSys),
|
||||
VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(css, ChannelSubSys, MAX_CSSID + 1,
|
||||
0, vmstate_css_img, CssImage),
|
||||
VMSTATE_UINT8(default_cssid, ChannelSubSys),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
||||
static ChannelSubSys channel_subsys = {
|
||||
.pending_crws = QTAILQ_HEAD_INITIALIZER(channel_subsys.pending_crws),
|
||||
.do_crw_mchk = true,
|
||||
|
|
@ -281,6 +386,10 @@ static int subch_dev_post_load(void *opaque, int version_id)
|
|||
css_subch_assign(s->cssid, s->ssid, s->schid, s->devno, s);
|
||||
}
|
||||
|
||||
if (css_migration_enabled()) {
|
||||
/* No compat voodoo to do ;) */
|
||||
return 0;
|
||||
}
|
||||
/*
|
||||
* Hack alert. If we don't migrate the channel subsystem status
|
||||
* we still need to find out if the guest enabled mss/mcss-e.
|
||||
|
|
@ -299,6 +408,11 @@ static int subch_dev_post_load(void *opaque, int version_id)
|
|||
return 0;
|
||||
}
|
||||
|
||||
void css_register_vmstate(void)
|
||||
{
|
||||
vmstate_register(NULL, 0, &vmstate_css, &channel_subsys);
|
||||
}
|
||||
|
||||
IndAddr *get_indicator(hwaddr ind_addr, int len)
|
||||
{
|
||||
IndAddr *indicator;
|
||||
|
|
@ -392,10 +506,12 @@ uint32_t css_get_adapter_id(CssIoAdapterType type, uint8_t isc)
|
|||
*
|
||||
* @swap: an indication if byte swap is needed.
|
||||
* @maskable: an indication if the adapter is subject to the mask operation.
|
||||
* @flags: further characteristics of the adapter.
|
||||
* e.g. suppressible, an indication if the adapter is subject to AIS.
|
||||
* @errp: location to store error information.
|
||||
*/
|
||||
void css_register_io_adapters(CssIoAdapterType type, bool swap, bool maskable,
|
||||
Error **errp)
|
||||
uint8_t flags, Error **errp)
|
||||
{
|
||||
uint32_t id;
|
||||
int ret, isc;
|
||||
|
|
@ -413,12 +529,13 @@ void css_register_io_adapters(CssIoAdapterType type, bool swap, bool maskable,
|
|||
|
||||
for (isc = 0; isc <= MAX_ISC; isc++) {
|
||||
id = (type << 3) | isc;
|
||||
ret = fsc->register_io_adapter(fs, id, isc, swap, maskable);
|
||||
ret = fsc->register_io_adapter(fs, id, isc, swap, maskable, flags);
|
||||
if (ret == 0) {
|
||||
adapter = g_new0(IoAdapter, 1);
|
||||
adapter->id = id;
|
||||
adapter->isc = isc;
|
||||
adapter->type = type;
|
||||
adapter->flags = flags;
|
||||
channel_subsys.io_adapters[type][isc] = adapter;
|
||||
} else {
|
||||
error_setg_errno(errp, -ret, "Unexpected error %d when "
|
||||
|
|
@ -517,12 +634,52 @@ void css_conditional_io_interrupt(SubchDev *sch)
|
|||
}
|
||||
}
|
||||
|
||||
void css_adapter_interrupt(uint8_t isc)
|
||||
int css_do_sic(CPUS390XState *env, uint8_t isc, uint16_t mode)
|
||||
{
|
||||
S390FLICState *fs = s390_get_flic();
|
||||
S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs);
|
||||
int r;
|
||||
|
||||
if (env->psw.mask & PSW_MASK_PSTATE) {
|
||||
r = -PGM_PRIVILEGED;
|
||||
goto out;
|
||||
}
|
||||
|
||||
trace_css_do_sic(mode, isc);
|
||||
switch (mode) {
|
||||
case SIC_IRQ_MODE_ALL:
|
||||
case SIC_IRQ_MODE_SINGLE:
|
||||
break;
|
||||
default:
|
||||
r = -PGM_OPERAND;
|
||||
goto out;
|
||||
}
|
||||
|
||||
r = fsc->modify_ais_mode(fs, isc, mode) ? -PGM_OPERATION : 0;
|
||||
out:
|
||||
return r;
|
||||
}
|
||||
|
||||
void css_adapter_interrupt(CssIoAdapterType type, uint8_t isc)
|
||||
{
|
||||
S390FLICState *fs = s390_get_flic();
|
||||
S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs);
|
||||
uint32_t io_int_word = (isc << 27) | IO_INT_WORD_AI;
|
||||
IoAdapter *adapter = channel_subsys.io_adapters[type][isc];
|
||||
|
||||
if (!adapter) {
|
||||
return;
|
||||
}
|
||||
|
||||
trace_css_adapter_interrupt(isc);
|
||||
s390_io_interrupt(0, 0, 0, io_int_word);
|
||||
if (fs->ais_supported) {
|
||||
if (fsc->inject_airq(fs, type, isc, adapter->flags)) {
|
||||
error_report("Failed to inject airq with AIS supported");
|
||||
exit(1);
|
||||
}
|
||||
} else {
|
||||
s390_io_interrupt(0, 0, 0, io_int_word);
|
||||
}
|
||||
}
|
||||
|
||||
static void sch_handle_clear_func(SubchDev *sch)
|
||||
|
|
@ -752,7 +909,7 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_addr,
|
|||
return ret;
|
||||
}
|
||||
|
||||
static void sch_handle_start_func_virtual(SubchDev *sch, ORB *orb)
|
||||
static void sch_handle_start_func_virtual(SubchDev *sch)
|
||||
{
|
||||
|
||||
PMCW *p = &sch->curr_status.pmcw;
|
||||
|
|
@ -766,10 +923,10 @@ static void sch_handle_start_func_virtual(SubchDev *sch, ORB *orb)
|
|||
|
||||
if (!(s->ctrl & SCSW_ACTL_SUSP)) {
|
||||
/* Start Function triggered via ssch, i.e. we have an ORB */
|
||||
ORB *orb = &sch->orb;
|
||||
s->cstat = 0;
|
||||
s->dstat = 0;
|
||||
/* Look at the orb and try to execute the channel program. */
|
||||
assert(orb != NULL); /* resume does not pass an orb */
|
||||
p->intparm = orb->intparm;
|
||||
if (!(orb->lpm & path)) {
|
||||
/* Generate a deferred cc 3 condition. */
|
||||
|
|
@ -783,8 +940,7 @@ static void sch_handle_start_func_virtual(SubchDev *sch, ORB *orb)
|
|||
sch->ccw_no_data_cnt = 0;
|
||||
suspend_allowed = !!(orb->ctrl0 & ORB_CTRL0_MASK_SPND);
|
||||
} else {
|
||||
/* Start Function resumed via rsch, i.e. we don't have an
|
||||
* ORB */
|
||||
/* Start Function resumed via rsch */
|
||||
s->ctrl &= ~(SCSW_ACTL_SUSP | SCSW_ACTL_RESUME_PEND);
|
||||
/* The channel program had been suspended before. */
|
||||
suspend_allowed = true;
|
||||
|
|
@ -854,13 +1010,14 @@ static void sch_handle_start_func_virtual(SubchDev *sch, ORB *orb)
|
|||
|
||||
}
|
||||
|
||||
static int sch_handle_start_func_passthrough(SubchDev *sch, ORB *orb)
|
||||
static int sch_handle_start_func_passthrough(SubchDev *sch)
|
||||
{
|
||||
|
||||
PMCW *p = &sch->curr_status.pmcw;
|
||||
SCSW *s = &sch->curr_status.scsw;
|
||||
int ret;
|
||||
|
||||
ORB *orb = &sch->orb;
|
||||
if (!(s->ctrl & SCSW_ACTL_SUSP)) {
|
||||
assert(orb != NULL);
|
||||
p->intparm = orb->intparm;
|
||||
|
|
@ -905,7 +1062,7 @@ static int sch_handle_start_func_passthrough(SubchDev *sch, ORB *orb)
|
|||
* read/writes) asynchronous later on if we start supporting more than
|
||||
* our current very simple devices.
|
||||
*/
|
||||
int do_subchannel_work_virtual(SubchDev *sch, ORB *orb)
|
||||
int do_subchannel_work_virtual(SubchDev *sch)
|
||||
{
|
||||
|
||||
SCSW *s = &sch->curr_status.scsw;
|
||||
|
|
@ -916,7 +1073,7 @@ int do_subchannel_work_virtual(SubchDev *sch, ORB *orb)
|
|||
sch_handle_halt_func(sch);
|
||||
} else if (s->ctrl & SCSW_FCTL_START_FUNC) {
|
||||
/* Triggered by both ssch and rsch. */
|
||||
sch_handle_start_func_virtual(sch, orb);
|
||||
sch_handle_start_func_virtual(sch);
|
||||
} else {
|
||||
/* Cannot happen. */
|
||||
return 0;
|
||||
|
|
@ -925,7 +1082,7 @@ int do_subchannel_work_virtual(SubchDev *sch, ORB *orb)
|
|||
return 0;
|
||||
}
|
||||
|
||||
int do_subchannel_work_passthrough(SubchDev *sch, ORB *orb)
|
||||
int do_subchannel_work_passthrough(SubchDev *sch)
|
||||
{
|
||||
int ret;
|
||||
SCSW *s = &sch->curr_status.scsw;
|
||||
|
|
@ -939,7 +1096,7 @@ int do_subchannel_work_passthrough(SubchDev *sch, ORB *orb)
|
|||
sch_handle_halt_func(sch);
|
||||
ret = 0;
|
||||
} else if (s->ctrl & SCSW_FCTL_START_FUNC) {
|
||||
ret = sch_handle_start_func_passthrough(sch, orb);
|
||||
ret = sch_handle_start_func_passthrough(sch);
|
||||
} else {
|
||||
/* Cannot happen. */
|
||||
return -ENODEV;
|
||||
|
|
@ -948,10 +1105,10 @@ int do_subchannel_work_passthrough(SubchDev *sch, ORB *orb)
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int do_subchannel_work(SubchDev *sch, ORB *orb)
|
||||
static int do_subchannel_work(SubchDev *sch)
|
||||
{
|
||||
if (sch->do_subchannel_work) {
|
||||
return sch->do_subchannel_work(sch, orb);
|
||||
return sch->do_subchannel_work(sch);
|
||||
} else {
|
||||
return -EINVAL;
|
||||
}
|
||||
|
|
@ -1158,7 +1315,7 @@ int css_do_csch(SubchDev *sch)
|
|||
s->ctrl &= ~(SCSW_CTRL_MASK_FCTL | SCSW_CTRL_MASK_ACTL);
|
||||
s->ctrl |= SCSW_FCTL_CLEAR_FUNC | SCSW_ACTL_CLEAR_PEND;
|
||||
|
||||
do_subchannel_work(sch, NULL);
|
||||
do_subchannel_work(sch);
|
||||
ret = 0;
|
||||
|
||||
out:
|
||||
|
|
@ -1199,7 +1356,7 @@ int css_do_hsch(SubchDev *sch)
|
|||
}
|
||||
s->ctrl |= SCSW_ACTL_HALT_PEND;
|
||||
|
||||
do_subchannel_work(sch, NULL);
|
||||
do_subchannel_work(sch);
|
||||
ret = 0;
|
||||
|
||||
out:
|
||||
|
|
@ -1268,12 +1425,13 @@ int css_do_ssch(SubchDev *sch, ORB *orb)
|
|||
if (channel_subsys.chnmon_active) {
|
||||
css_update_chnmon(sch);
|
||||
}
|
||||
sch->orb = *orb;
|
||||
sch->channel_prog = orb->cpa;
|
||||
/* Trigger the start function. */
|
||||
s->ctrl |= (SCSW_FCTL_START_FUNC | SCSW_ACTL_START_PEND);
|
||||
s->flags &= ~SCSW_FLAGS_MASK_PNO;
|
||||
|
||||
ret = do_subchannel_work(sch, orb);
|
||||
ret = do_subchannel_work(sch);
|
||||
|
||||
out:
|
||||
return ret;
|
||||
|
|
@ -1552,7 +1710,7 @@ int css_do_rsch(SubchDev *sch)
|
|||
}
|
||||
|
||||
s->ctrl |= SCSW_ACTL_RESUME_PEND;
|
||||
do_subchannel_work(sch, NULL);
|
||||
do_subchannel_work(sch);
|
||||
ret = 0;
|
||||
|
||||
out:
|
||||
|
|
|
|||
|
|
@ -500,7 +500,7 @@ static void s390_msi_ctrl_write(void *opaque, hwaddr addr, uint64_t data,
|
|||
0x80 >> ((ind_bit + vec) % 8));
|
||||
if (!set_ind_atomic(pbdev->routes.adapter.summary_addr + sum_bit / 8,
|
||||
0x80 >> (sum_bit % 8))) {
|
||||
css_adapter_interrupt(pbdev->isc);
|
||||
css_adapter_interrupt(CSS_IO_ADAPTER_PCI, pbdev->isc);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -579,7 +579,8 @@ static int s390_pcihost_init(SysBusDevice *dev)
|
|||
QTAILQ_INIT(&s->pending_sei);
|
||||
QTAILQ_INIT(&s->zpci_devs);
|
||||
|
||||
css_register_io_adapters(CSS_IO_ADAPTER_PCI, true, false, &error_abort);
|
||||
css_register_io_adapters(CSS_IO_ADAPTER_PCI, true, false,
|
||||
S390_ADAPTER_SUPPRESSIBLE, &error_abort);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,190 @@
|
|||
/*
|
||||
* s390 storage attributes device -- KVM object
|
||||
*
|
||||
* Copyright 2016 IBM Corp.
|
||||
* Author(s): Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
|
||||
*
|
||||
* This work is licensed under the terms of the GNU GPL, version 2 or (at
|
||||
* your option) any later version. See the COPYING file in the top-level
|
||||
* directory.
|
||||
*/
|
||||
|
||||
#include "qemu/osdep.h"
|
||||
#include "hw/boards.h"
|
||||
#include "migration/qemu-file.h"
|
||||
#include "hw/s390x/storage-attributes.h"
|
||||
#include "qemu/error-report.h"
|
||||
#include "sysemu/kvm.h"
|
||||
#include "exec/ram_addr.h"
|
||||
#include "cpu.h"
|
||||
|
||||
Object *kvm_s390_stattrib_create(void)
|
||||
{
|
||||
if (kvm_enabled() &&
|
||||
kvm_check_extension(kvm_state, KVM_CAP_S390_CMMA_MIGRATION)) {
|
||||
return object_new(TYPE_KVM_S390_STATTRIB);
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void kvm_s390_stattrib_instance_init(Object *obj)
|
||||
{
|
||||
KVMS390StAttribState *sas = KVM_S390_STATTRIB(obj);
|
||||
|
||||
sas->still_dirty = 0;
|
||||
}
|
||||
|
||||
static int kvm_s390_stattrib_read_helper(S390StAttribState *sa,
|
||||
uint64_t *start_gfn,
|
||||
uint32_t count,
|
||||
uint8_t *values,
|
||||
uint32_t flags)
|
||||
{
|
||||
KVMS390StAttribState *sas = KVM_S390_STATTRIB(sa);
|
||||
int r;
|
||||
struct kvm_s390_cmma_log clog = {
|
||||
.values = (uint64_t)values,
|
||||
.start_gfn = *start_gfn,
|
||||
.count = count,
|
||||
.flags = flags,
|
||||
};
|
||||
|
||||
r = kvm_vm_ioctl(kvm_state, KVM_S390_GET_CMMA_BITS, &clog);
|
||||
if (r < 0) {
|
||||
error_report("KVM_S390_GET_CMMA_BITS failed: %s", strerror(-r));
|
||||
return r;
|
||||
}
|
||||
|
||||
*start_gfn = clog.start_gfn;
|
||||
sas->still_dirty = clog.remaining;
|
||||
return clog.count;
|
||||
}
|
||||
|
||||
static int kvm_s390_stattrib_get_stattr(S390StAttribState *sa,
|
||||
uint64_t *start_gfn,
|
||||
uint32_t count,
|
||||
uint8_t *values)
|
||||
{
|
||||
return kvm_s390_stattrib_read_helper(sa, start_gfn, count, values, 0);
|
||||
}
|
||||
|
||||
static int kvm_s390_stattrib_peek_stattr(S390StAttribState *sa,
|
||||
uint64_t start_gfn,
|
||||
uint32_t count,
|
||||
uint8_t *values)
|
||||
{
|
||||
return kvm_s390_stattrib_read_helper(sa, &start_gfn, count, values,
|
||||
KVM_S390_CMMA_PEEK);
|
||||
}
|
||||
|
||||
static int kvm_s390_stattrib_set_stattr(S390StAttribState *sa,
|
||||
uint64_t start_gfn,
|
||||
uint32_t count,
|
||||
uint8_t *values)
|
||||
{
|
||||
KVMS390StAttribState *sas = KVM_S390_STATTRIB(sa);
|
||||
MachineState *machine = MACHINE(qdev_get_machine());
|
||||
unsigned long max = machine->maxram_size / TARGET_PAGE_SIZE;
|
||||
|
||||
if (start_gfn + count > max) {
|
||||
error_report("Out of memory bounds when setting storage attributes");
|
||||
return -1;
|
||||
}
|
||||
if (!sas->incoming_buffer) {
|
||||
sas->incoming_buffer = g_malloc0(max);
|
||||
}
|
||||
|
||||
memcpy(sas->incoming_buffer + start_gfn, values, count);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void kvm_s390_stattrib_synchronize(S390StAttribState *sa)
|
||||
{
|
||||
KVMS390StAttribState *sas = KVM_S390_STATTRIB(sa);
|
||||
MachineState *machine = MACHINE(qdev_get_machine());
|
||||
unsigned long max = machine->maxram_size / TARGET_PAGE_SIZE;
|
||||
unsigned long cx, len = 1 << 19;
|
||||
int r;
|
||||
struct kvm_s390_cmma_log clog = {
|
||||
.flags = 0,
|
||||
.mask = ~0ULL,
|
||||
};
|
||||
|
||||
if (sas->incoming_buffer) {
|
||||
for (cx = 0; cx + len <= max; cx += len) {
|
||||
clog.start_gfn = cx;
|
||||
clog.count = len;
|
||||
clog.values = (uint64_t)(sas->incoming_buffer + cx * len);
|
||||
r = kvm_vm_ioctl(kvm_state, KVM_S390_SET_CMMA_BITS, &clog);
|
||||
if (r) {
|
||||
error_report("KVM_S390_SET_CMMA_BITS failed: %s", strerror(-r));
|
||||
return;
|
||||
}
|
||||
}
|
||||
if (cx < max) {
|
||||
clog.start_gfn = cx;
|
||||
clog.count = max - cx;
|
||||
clog.values = (uint64_t)(sas->incoming_buffer + cx * len);
|
||||
r = kvm_vm_ioctl(kvm_state, KVM_S390_SET_CMMA_BITS, &clog);
|
||||
if (r) {
|
||||
error_report("KVM_S390_SET_CMMA_BITS failed: %s", strerror(-r));
|
||||
}
|
||||
}
|
||||
g_free(sas->incoming_buffer);
|
||||
sas->incoming_buffer = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static int kvm_s390_stattrib_set_migrationmode(S390StAttribState *sa, bool val)
|
||||
{
|
||||
struct kvm_device_attr attr = {
|
||||
.group = KVM_S390_VM_MIGRATION,
|
||||
.attr = val,
|
||||
.addr = 0,
|
||||
};
|
||||
return kvm_vm_ioctl(kvm_state, KVM_SET_DEVICE_ATTR, &attr);
|
||||
}
|
||||
|
||||
static long long kvm_s390_stattrib_get_dirtycount(S390StAttribState *sa)
|
||||
{
|
||||
KVMS390StAttribState *sas = KVM_S390_STATTRIB(sa);
|
||||
uint8_t val[8];
|
||||
|
||||
kvm_s390_stattrib_peek_stattr(sa, 0, 1, val);
|
||||
return sas->still_dirty;
|
||||
}
|
||||
|
||||
static int kvm_s390_stattrib_get_active(S390StAttribState *sa)
|
||||
{
|
||||
return kvm_s390_cmma_active() && sa->migration_enabled;
|
||||
}
|
||||
|
||||
static void kvm_s390_stattrib_class_init(ObjectClass *oc, void *data)
|
||||
{
|
||||
S390StAttribClass *sac = S390_STATTRIB_CLASS(oc);
|
||||
|
||||
sac->get_stattr = kvm_s390_stattrib_get_stattr;
|
||||
sac->peek_stattr = kvm_s390_stattrib_peek_stattr;
|
||||
sac->set_stattr = kvm_s390_stattrib_set_stattr;
|
||||
sac->set_migrationmode = kvm_s390_stattrib_set_migrationmode;
|
||||
sac->get_dirtycount = kvm_s390_stattrib_get_dirtycount;
|
||||
sac->synchronize = kvm_s390_stattrib_synchronize;
|
||||
sac->get_active = kvm_s390_stattrib_get_active;
|
||||
}
|
||||
|
||||
static const TypeInfo kvm_s390_stattrib_info = {
|
||||
.name = TYPE_KVM_S390_STATTRIB,
|
||||
.parent = TYPE_S390_STATTRIB,
|
||||
.instance_init = kvm_s390_stattrib_instance_init,
|
||||
.instance_size = sizeof(KVMS390StAttribState),
|
||||
.class_init = kvm_s390_stattrib_class_init,
|
||||
.class_size = sizeof(S390StAttribClass),
|
||||
};
|
||||
|
||||
static void kvm_s390_stattrib_register_types(void)
|
||||
{
|
||||
type_register_static(&kvm_s390_stattrib_info);
|
||||
}
|
||||
|
||||
type_init(kvm_s390_stattrib_register_types)
|
||||
|
|
@ -0,0 +1,404 @@
|
|||
/*
|
||||
* s390 storage attributes device
|
||||
*
|
||||
* Copyright 2016 IBM Corp.
|
||||
* Author(s): Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
|
||||
*
|
||||
* This work is licensed under the terms of the GNU GPL, version 2 or (at
|
||||
* your option) any later version. See the COPYING file in the top-level
|
||||
* directory.
|
||||
*/
|
||||
|
||||
#include "qemu/osdep.h"
|
||||
#include "hw/boards.h"
|
||||
#include "qmp-commands.h"
|
||||
#include "migration/qemu-file.h"
|
||||
#include "migration/register.h"
|
||||
#include "hw/s390x/storage-attributes.h"
|
||||
#include "qemu/error-report.h"
|
||||
#include "sysemu/kvm.h"
|
||||
#include "exec/ram_addr.h"
|
||||
#include "qapi/error.h"
|
||||
|
||||
#define CMMA_BLOCK_SIZE (1 << 10)
|
||||
|
||||
#define STATTR_FLAG_EOS 0x01ULL
|
||||
#define STATTR_FLAG_MORE 0x02ULL
|
||||
#define STATTR_FLAG_ERROR 0x04ULL
|
||||
#define STATTR_FLAG_DONE 0x08ULL
|
||||
|
||||
static S390StAttribState *s390_get_stattrib_device(void)
|
||||
{
|
||||
S390StAttribState *sas;
|
||||
|
||||
sas = S390_STATTRIB(object_resolve_path_type("", TYPE_S390_STATTRIB, NULL));
|
||||
assert(sas);
|
||||
return sas;
|
||||
}
|
||||
|
||||
void s390_stattrib_init(void)
|
||||
{
|
||||
Object *obj;
|
||||
|
||||
obj = kvm_s390_stattrib_create();
|
||||
if (!obj) {
|
||||
obj = object_new(TYPE_QEMU_S390_STATTRIB);
|
||||
}
|
||||
|
||||
object_property_add_child(qdev_get_machine(), TYPE_S390_STATTRIB,
|
||||
obj, NULL);
|
||||
object_unref(obj);
|
||||
|
||||
qdev_init_nofail(DEVICE(obj));
|
||||
}
|
||||
|
||||
/* Console commands: */
|
||||
|
||||
void hmp_migrationmode(Monitor *mon, const QDict *qdict)
|
||||
{
|
||||
S390StAttribState *sas = s390_get_stattrib_device();
|
||||
S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas);
|
||||
uint64_t what = qdict_get_int(qdict, "mode");
|
||||
int r;
|
||||
|
||||
r = sac->set_migrationmode(sas, what);
|
||||
if (r < 0) {
|
||||
monitor_printf(mon, "Error: %s", strerror(-r));
|
||||
}
|
||||
}
|
||||
|
||||
void hmp_info_cmma(Monitor *mon, const QDict *qdict)
|
||||
{
|
||||
S390StAttribState *sas = s390_get_stattrib_device();
|
||||
S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas);
|
||||
uint64_t addr = qdict_get_int(qdict, "addr");
|
||||
uint64_t buflen = qdict_get_try_int(qdict, "count", 8);
|
||||
uint8_t *vals;
|
||||
int cx, len;
|
||||
|
||||
vals = g_try_malloc(buflen);
|
||||
if (!vals) {
|
||||
monitor_printf(mon, "Error: %s\n", strerror(errno));
|
||||
return;
|
||||
}
|
||||
|
||||
len = sac->peek_stattr(sas, addr / TARGET_PAGE_SIZE, buflen, vals);
|
||||
if (len < 0) {
|
||||
monitor_printf(mon, "Error: %s", strerror(-len));
|
||||
goto out;
|
||||
}
|
||||
|
||||
monitor_printf(mon, " CMMA attributes, "
|
||||
"pages %" PRIu64 "+%d (0x%" PRIx64 "):\n",
|
||||
addr / TARGET_PAGE_SIZE, len, addr & ~TARGET_PAGE_MASK);
|
||||
for (cx = 0; cx < len; cx++) {
|
||||
if (cx % 8 == 7) {
|
||||
monitor_printf(mon, "%02x\n", vals[cx]);
|
||||
} else {
|
||||
monitor_printf(mon, "%02x", vals[cx]);
|
||||
}
|
||||
}
|
||||
monitor_printf(mon, "\n");
|
||||
|
||||
out:
|
||||
g_free(vals);
|
||||
}
|
||||
|
||||
/* Migration support: */
|
||||
|
||||
static int cmma_load(QEMUFile *f, void *opaque, int version_id)
|
||||
{
|
||||
S390StAttribState *sas = S390_STATTRIB(opaque);
|
||||
S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas);
|
||||
uint64_t count, cur_gfn;
|
||||
int flags, ret = 0;
|
||||
ram_addr_t addr;
|
||||
uint8_t *buf;
|
||||
|
||||
while (!ret) {
|
||||
addr = qemu_get_be64(f);
|
||||
flags = addr & ~TARGET_PAGE_MASK;
|
||||
addr &= TARGET_PAGE_MASK;
|
||||
|
||||
switch (flags) {
|
||||
case STATTR_FLAG_MORE: {
|
||||
cur_gfn = addr / TARGET_PAGE_SIZE;
|
||||
count = qemu_get_be64(f);
|
||||
buf = g_try_malloc(count);
|
||||
if (!buf) {
|
||||
error_report("cmma_load could not allocate memory");
|
||||
ret = -ENOMEM;
|
||||
break;
|
||||
}
|
||||
|
||||
qemu_get_buffer(f, buf, count);
|
||||
ret = sac->set_stattr(sas, cur_gfn, count, buf);
|
||||
if (ret < 0) {
|
||||
error_report("Error %d while setting storage attributes", ret);
|
||||
}
|
||||
g_free(buf);
|
||||
break;
|
||||
}
|
||||
case STATTR_FLAG_ERROR: {
|
||||
error_report("Storage attributes data is incomplete");
|
||||
ret = -EINVAL;
|
||||
break;
|
||||
}
|
||||
case STATTR_FLAG_DONE:
|
||||
/* This is after the last pre-copied value has been sent, nothing
|
||||
* more will be sent after this. Pre-copy has finished, and we
|
||||
* are done flushing all the remaining values. Now the target
|
||||
* system is about to take over. We synchronize the buffer to
|
||||
* apply the actual correct values where needed.
|
||||
*/
|
||||
sac->synchronize(sas);
|
||||
break;
|
||||
case STATTR_FLAG_EOS:
|
||||
/* Normal exit */
|
||||
return 0;
|
||||
default:
|
||||
error_report("Unexpected storage attribute flag data: %#x", flags);
|
||||
ret = -EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int cmma_save_setup(QEMUFile *f, void *opaque)
|
||||
{
|
||||
S390StAttribState *sas = S390_STATTRIB(opaque);
|
||||
S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas);
|
||||
int res;
|
||||
/*
|
||||
* Signal that we want to start a migration, thus needing PGSTE dirty
|
||||
* tracking.
|
||||
*/
|
||||
res = sac->set_migrationmode(sas, 1);
|
||||
if (res) {
|
||||
return res;
|
||||
}
|
||||
qemu_put_be64(f, STATTR_FLAG_EOS);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void cmma_save_pending(QEMUFile *f, void *opaque, uint64_t max_size,
|
||||
uint64_t *non_postcopiable_pending,
|
||||
uint64_t *postcopiable_pending)
|
||||
{
|
||||
S390StAttribState *sas = S390_STATTRIB(opaque);
|
||||
S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas);
|
||||
long long res = sac->get_dirtycount(sas);
|
||||
|
||||
if (res >= 0) {
|
||||
*non_postcopiable_pending += res;
|
||||
}
|
||||
}
|
||||
|
||||
static int cmma_save(QEMUFile *f, void *opaque, int final)
|
||||
{
|
||||
S390StAttribState *sas = S390_STATTRIB(opaque);
|
||||
S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas);
|
||||
uint8_t *buf;
|
||||
int r, cx, reallen = 0, ret = 0;
|
||||
uint32_t buflen = 1 << 19; /* 512kB cover 2GB of guest memory */
|
||||
uint64_t start_gfn = sas->migration_cur_gfn;
|
||||
|
||||
buf = g_try_malloc(buflen);
|
||||
if (!buf) {
|
||||
error_report("Could not allocate memory to save storage attributes");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
while (final ? 1 : qemu_file_rate_limit(f) == 0) {
|
||||
reallen = sac->get_stattr(sas, &start_gfn, buflen, buf);
|
||||
if (reallen < 0) {
|
||||
g_free(buf);
|
||||
return reallen;
|
||||
}
|
||||
|
||||
ret = 1;
|
||||
if (!reallen) {
|
||||
break;
|
||||
}
|
||||
qemu_put_be64(f, (start_gfn << TARGET_PAGE_BITS) | STATTR_FLAG_MORE);
|
||||
qemu_put_be64(f, reallen);
|
||||
for (cx = 0; cx < reallen; cx++) {
|
||||
qemu_put_byte(f, buf[cx]);
|
||||
}
|
||||
if (!sac->get_dirtycount(sas)) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
sas->migration_cur_gfn = start_gfn + reallen;
|
||||
g_free(buf);
|
||||
if (final) {
|
||||
qemu_put_be64(f, STATTR_FLAG_DONE);
|
||||
}
|
||||
qemu_put_be64(f, STATTR_FLAG_EOS);
|
||||
|
||||
r = qemu_file_get_error(f);
|
||||
if (r < 0) {
|
||||
return r;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int cmma_save_iterate(QEMUFile *f, void *opaque)
|
||||
{
|
||||
return cmma_save(f, opaque, 0);
|
||||
}
|
||||
|
||||
static int cmma_save_complete(QEMUFile *f, void *opaque)
|
||||
{
|
||||
return cmma_save(f, opaque, 1);
|
||||
}
|
||||
|
||||
static void cmma_save_cleanup(void *opaque)
|
||||
{
|
||||
S390StAttribState *sas = S390_STATTRIB(opaque);
|
||||
S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas);
|
||||
sac->set_migrationmode(sas, 0);
|
||||
}
|
||||
|
||||
static bool cmma_active(void *opaque)
|
||||
{
|
||||
S390StAttribState *sas = S390_STATTRIB(opaque);
|
||||
S390StAttribClass *sac = S390_STATTRIB_GET_CLASS(sas);
|
||||
return sac->get_active(sas);
|
||||
}
|
||||
|
||||
/* QEMU object: */
|
||||
|
||||
static void qemu_s390_stattrib_instance_init(Object *obj)
|
||||
{
|
||||
}
|
||||
|
||||
static int qemu_s390_peek_stattr_stub(S390StAttribState *sa, uint64_t start_gfn,
|
||||
uint32_t count, uint8_t *values)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static void qemu_s390_synchronize_stub(S390StAttribState *sa)
|
||||
{
|
||||
}
|
||||
static int qemu_s390_get_stattr_stub(S390StAttribState *sa, uint64_t *start_gfn,
|
||||
uint32_t count, uint8_t *values)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static long long qemu_s390_get_dirtycount_stub(S390StAttribState *sa)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static int qemu_s390_set_migrationmode_stub(S390StAttribState *sa, bool value)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int qemu_s390_get_active(S390StAttribState *sa)
|
||||
{
|
||||
return sa->migration_enabled;
|
||||
}
|
||||
|
||||
static void qemu_s390_stattrib_class_init(ObjectClass *oc, void *data)
|
||||
{
|
||||
S390StAttribClass *sa_cl = S390_STATTRIB_CLASS(oc);
|
||||
|
||||
sa_cl->synchronize = qemu_s390_synchronize_stub;
|
||||
sa_cl->get_stattr = qemu_s390_get_stattr_stub;
|
||||
sa_cl->set_stattr = qemu_s390_peek_stattr_stub;
|
||||
sa_cl->peek_stattr = qemu_s390_peek_stattr_stub;
|
||||
sa_cl->set_migrationmode = qemu_s390_set_migrationmode_stub;
|
||||
sa_cl->get_dirtycount = qemu_s390_get_dirtycount_stub;
|
||||
sa_cl->get_active = qemu_s390_get_active;
|
||||
}
|
||||
|
||||
static const TypeInfo qemu_s390_stattrib_info = {
|
||||
.name = TYPE_QEMU_S390_STATTRIB,
|
||||
.parent = TYPE_S390_STATTRIB,
|
||||
.instance_init = qemu_s390_stattrib_instance_init,
|
||||
.instance_size = sizeof(QEMUS390StAttribState),
|
||||
.class_init = qemu_s390_stattrib_class_init,
|
||||
.class_size = sizeof(S390StAttribClass),
|
||||
};
|
||||
|
||||
/* Generic abstract object: */
|
||||
|
||||
static void s390_stattrib_realize(DeviceState *dev, Error **errp)
|
||||
{
|
||||
bool ambiguous = false;
|
||||
|
||||
object_resolve_path_type("", TYPE_S390_STATTRIB, &ambiguous);
|
||||
if (ambiguous) {
|
||||
error_setg(errp, "storage_attributes device already exists");
|
||||
}
|
||||
}
|
||||
|
||||
static void s390_stattrib_class_init(ObjectClass *oc, void *data)
|
||||
{
|
||||
DeviceClass *dc = DEVICE_CLASS(oc);
|
||||
|
||||
dc->hotpluggable = false;
|
||||
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
|
||||
dc->realize = s390_stattrib_realize;
|
||||
}
|
||||
|
||||
static inline bool s390_stattrib_get_migration_enabled(Object *obj, Error **e)
|
||||
{
|
||||
S390StAttribState *s = S390_STATTRIB(obj);
|
||||
|
||||
return s->migration_enabled;
|
||||
}
|
||||
|
||||
static inline void s390_stattrib_set_migration_enabled(Object *obj, bool value,
|
||||
Error **errp)
|
||||
{
|
||||
S390StAttribState *s = S390_STATTRIB(obj);
|
||||
|
||||
s->migration_enabled = value;
|
||||
}
|
||||
|
||||
static void s390_stattrib_instance_init(Object *obj)
|
||||
{
|
||||
S390StAttribState *sas = S390_STATTRIB(obj);
|
||||
SaveVMHandlers *ops;
|
||||
|
||||
/* ops will always be freed by qemu when unregistering */
|
||||
ops = g_new0(SaveVMHandlers, 1);
|
||||
|
||||
ops->save_setup = cmma_save_setup;
|
||||
ops->save_live_iterate = cmma_save_iterate;
|
||||
ops->save_live_complete_precopy = cmma_save_complete;
|
||||
ops->save_live_pending = cmma_save_pending;
|
||||
ops->save_cleanup = cmma_save_cleanup;
|
||||
ops->load_state = cmma_load;
|
||||
ops->is_active = cmma_active;
|
||||
register_savevm_live(NULL, TYPE_S390_STATTRIB, 0, 0, ops, sas);
|
||||
|
||||
object_property_add_bool(obj, "migration-enabled",
|
||||
s390_stattrib_get_migration_enabled,
|
||||
s390_stattrib_set_migration_enabled, NULL);
|
||||
object_property_set_bool(obj, true, "migration-enabled", NULL);
|
||||
sas->migration_cur_gfn = 0;
|
||||
}
|
||||
|
||||
static const TypeInfo s390_stattrib_info = {
|
||||
.name = TYPE_S390_STATTRIB,
|
||||
.parent = TYPE_DEVICE,
|
||||
.instance_init = s390_stattrib_instance_init,
|
||||
.instance_size = sizeof(S390StAttribState),
|
||||
.class_init = s390_stattrib_class_init,
|
||||
.class_size = sizeof(S390StAttribClass),
|
||||
.abstract = true,
|
||||
};
|
||||
|
||||
static void s390_stattrib_register_types(void)
|
||||
{
|
||||
type_register_static(&s390_stattrib_info);
|
||||
type_register_static(&qemu_s390_stattrib_info);
|
||||
}
|
||||
|
||||
type_init(s390_stattrib_register_types)
|
||||
|
|
@ -24,11 +24,13 @@
|
|||
#include "qemu/config-file.h"
|
||||
#include "s390-pci-bus.h"
|
||||
#include "hw/s390x/storage-keys.h"
|
||||
#include "hw/s390x/storage-attributes.h"
|
||||
#include "hw/compat.h"
|
||||
#include "ipl.h"
|
||||
#include "hw/s390x/s390-virtio-ccw.h"
|
||||
#include "hw/s390x/css-bridge.h"
|
||||
#include "migration/register.h"
|
||||
#include "cpu_models.h"
|
||||
|
||||
static const char *const reset_dev_types[] = {
|
||||
TYPE_VIRTUAL_CSS_BRIDGE,
|
||||
|
|
@ -103,6 +105,8 @@ void s390_memory_init(ram_addr_t mem_size)
|
|||
|
||||
/* Initialize storage key device */
|
||||
s390_skeys_init();
|
||||
/* Initialize storage attributes device */
|
||||
s390_stattrib_init();
|
||||
}
|
||||
|
||||
static SaveVMHandlers savevm_gtod = {
|
||||
|
|
@ -119,6 +123,9 @@ static void ccw_init(MachineState *machine)
|
|||
s390_sclp_init();
|
||||
s390_memory_init(machine->ram_size);
|
||||
|
||||
/* init CPUs */
|
||||
s390_init_cpus(machine);
|
||||
|
||||
s390_flic_init();
|
||||
|
||||
/* get a BUS */
|
||||
|
|
@ -135,9 +142,6 @@ static void ccw_init(MachineState *machine)
|
|||
/* register hypercalls */
|
||||
virtio_ccw_register_hcalls();
|
||||
|
||||
/* init CPUs */
|
||||
s390_init_cpus(machine);
|
||||
|
||||
if (kvm_enabled()) {
|
||||
kvm_s390_enable_css_support(s390_cpu_addr2state(0));
|
||||
}
|
||||
|
|
@ -206,6 +210,8 @@ static void ccw_machine_class_init(ObjectClass *oc, void *data)
|
|||
|
||||
s390mc->ri_allowed = true;
|
||||
s390mc->cpu_model_allowed = true;
|
||||
s390mc->css_migration_enabled = true;
|
||||
s390mc->gs_allowed = true;
|
||||
mc->init = ccw_init;
|
||||
mc->reset = s390_machine_reset;
|
||||
mc->hot_add_cpu = s390_hot_add_cpu;
|
||||
|
|
@ -252,7 +258,38 @@ static inline void machine_set_dea_key_wrap(Object *obj, bool value,
|
|||
ms->dea_key_wrap = value;
|
||||
}
|
||||
|
||||
static S390CcwMachineClass *current_mc;
|
||||
|
||||
static S390CcwMachineClass *get_machine_class(void)
|
||||
{
|
||||
if (unlikely(!current_mc)) {
|
||||
/*
|
||||
* No s390 ccw machine was instantiated, we are likely to
|
||||
* be called for the 'none' machine. The properties will
|
||||
* have their after-initialization values.
|
||||
*/
|
||||
current_mc = S390_MACHINE_CLASS(
|
||||
object_class_by_name(TYPE_S390_CCW_MACHINE));
|
||||
}
|
||||
return current_mc;
|
||||
}
|
||||
|
||||
bool ri_allowed(void)
|
||||
{
|
||||
if (!kvm_enabled()) {
|
||||
return false;
|
||||
}
|
||||
/* for "none" machine this results in true */
|
||||
return get_machine_class()->ri_allowed;
|
||||
}
|
||||
|
||||
bool cpu_model_allowed(void)
|
||||
{
|
||||
/* for "none" machine this results in true */
|
||||
return get_machine_class()->cpu_model_allowed;
|
||||
}
|
||||
|
||||
bool gs_allowed(void)
|
||||
{
|
||||
if (kvm_enabled()) {
|
||||
MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
|
||||
|
|
@ -260,28 +297,12 @@ bool ri_allowed(void)
|
|||
TYPE_S390_CCW_MACHINE)) {
|
||||
S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
|
||||
|
||||
return s390mc->ri_allowed;
|
||||
return s390mc->gs_allowed;
|
||||
}
|
||||
/*
|
||||
* Make sure the "none" machine can have ri, otherwise it won't * be
|
||||
* unlocked in KVM and therefore the host CPU model might be wrong.
|
||||
*/
|
||||
/* Make sure the "none" machine can have gs */
|
||||
return true;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
bool cpu_model_allowed(void)
|
||||
{
|
||||
MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
|
||||
if (object_class_dynamic_cast(OBJECT_CLASS(mc),
|
||||
TYPE_S390_CCW_MACHINE)) {
|
||||
S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
|
||||
|
||||
return s390mc->cpu_model_allowed;
|
||||
}
|
||||
/* allow CPU model qmp queries with the "none" machine */
|
||||
return true;
|
||||
return false;
|
||||
}
|
||||
|
||||
static char *machine_get_loadparm(Object *obj, Error **errp)
|
||||
|
|
@ -376,6 +397,11 @@ static const TypeInfo ccw_machine_info = {
|
|||
},
|
||||
};
|
||||
|
||||
bool css_migration_enabled(void)
|
||||
{
|
||||
return get_machine_class()->css_migration_enabled;
|
||||
}
|
||||
|
||||
#define DEFINE_CCW_MACHINE(suffix, verstr, latest) \
|
||||
static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \
|
||||
void *data) \
|
||||
|
|
@ -391,6 +417,7 @@ static const TypeInfo ccw_machine_info = {
|
|||
static void ccw_machine_##suffix##_instance_init(Object *obj) \
|
||||
{ \
|
||||
MachineState *machine = MACHINE(obj); \
|
||||
current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \
|
||||
ccw_machine_##suffix##_instance_options(machine); \
|
||||
} \
|
||||
static const TypeInfo ccw_machine_##suffix##_info = { \
|
||||
|
|
@ -406,7 +433,12 @@ static const TypeInfo ccw_machine_info = {
|
|||
type_init(ccw_machine_register_##suffix)
|
||||
|
||||
#define CCW_COMPAT_2_9 \
|
||||
HW_COMPAT_2_9
|
||||
HW_COMPAT_2_9 \
|
||||
{\
|
||||
.driver = TYPE_S390_STATTRIB,\
|
||||
.property = "migration-enabled",\
|
||||
.value = "off",\
|
||||
},
|
||||
|
||||
#define CCW_COMPAT_2_8 \
|
||||
HW_COMPAT_2_8 \
|
||||
|
|
@ -476,6 +508,9 @@ static const TypeInfo ccw_machine_info = {
|
|||
|
||||
static void ccw_machine_2_10_instance_options(MachineState *machine)
|
||||
{
|
||||
if (css_migration_enabled()) {
|
||||
css_register_vmstate();
|
||||
}
|
||||
}
|
||||
|
||||
static void ccw_machine_2_10_class_options(MachineClass *mc)
|
||||
|
|
@ -486,12 +521,21 @@ DEFINE_CCW_MACHINE(2_10, "2.10", true);
|
|||
static void ccw_machine_2_9_instance_options(MachineState *machine)
|
||||
{
|
||||
ccw_machine_2_10_instance_options(machine);
|
||||
s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
|
||||
s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
|
||||
s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
|
||||
s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
|
||||
s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
|
||||
}
|
||||
|
||||
static void ccw_machine_2_9_class_options(MachineClass *mc)
|
||||
{
|
||||
S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
|
||||
|
||||
s390mc->gs_allowed = false;
|
||||
ccw_machine_2_10_class_options(mc);
|
||||
SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
|
||||
s390mc->css_migration_enabled = false;
|
||||
}
|
||||
DEFINE_CCW_MACHINE(2_9, "2.9", false);
|
||||
|
||||
|
|
|
|||
|
|
@ -8,6 +8,7 @@ css_new_image(uint8_t cssid, const char *default_cssid) "CSS: add css image %02x
|
|||
css_assign_subch(const char *do_assign, uint8_t cssid, uint8_t ssid, uint16_t schid, uint16_t devno) "CSS: %s %x.%x.%04x (devno %04x)"
|
||||
css_io_interrupt(int cssid, int ssid, int schid, uint32_t intparm, uint8_t isc, const char *conditional) "CSS: I/O interrupt on sch %x.%x.%04x (intparm %08x, isc %x) %s"
|
||||
css_adapter_interrupt(uint8_t isc) "CSS: adapter I/O interrupt (isc %x)"
|
||||
css_do_sic(uint16_t mode, uint8_t isc) "CSS: set interruption mode %x on isc %x"
|
||||
|
||||
# hw/s390x/virtio-ccw.c
|
||||
virtio_ccw_interpret_ccw(int cssid, int ssid, int schid, int cmd_code) "VIRTIO-CCW: %x.%x.%04x: interpret command %x"
|
||||
|
|
|
|||
|
|
@ -1070,7 +1070,7 @@ static void virtio_ccw_notify(DeviceState *d, uint16_t vector)
|
|||
0x80 >> ((ind_bit + vector) % 8));
|
||||
if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr,
|
||||
0x01)) {
|
||||
css_adapter_interrupt(dev->thinint_isc);
|
||||
css_adapter_interrupt(CSS_IO_ADAPTER_VIRTIO, dev->thinint_isc);
|
||||
}
|
||||
} else {
|
||||
indicators = address_space_ldq(&address_space_memory,
|
||||
|
|
|
|||
|
|
@ -1476,6 +1476,7 @@ typedef struct elf64_shdr {
|
|||
#define NT_TASKSTRUCT 4
|
||||
#define NT_AUXV 6
|
||||
#define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */
|
||||
#define NT_S390_GS_CB 0x30b /* s390 guarded storage registers */
|
||||
#define NT_S390_VXRS_HIGH 0x30a /* s390 vector registers 16-31 */
|
||||
#define NT_S390_VXRS_LOW 0x309 /* s390 vector registers 0-15 (lower half) */
|
||||
#define NT_S390_PREFIX 0x305 /* s390 prefix register */
|
||||
|
|
|
|||
|
|
@ -12,6 +12,7 @@
|
|||
#ifndef CSS_H
|
||||
#define CSS_H
|
||||
|
||||
#include "cpu.h"
|
||||
#include "hw/s390x/adapter.h"
|
||||
#include "hw/s390x/s390_flic.h"
|
||||
#include "hw/s390x/ioinst.h"
|
||||
|
|
@ -89,10 +90,11 @@ struct SubchDev {
|
|||
bool thinint_active;
|
||||
uint8_t ccw_no_data_cnt;
|
||||
uint16_t migrated_schid; /* used for missmatch detection */
|
||||
ORB orb;
|
||||
/* transport-provided data: */
|
||||
int (*ccw_cb) (SubchDev *, CCW1);
|
||||
void (*disable_cb)(SubchDev *);
|
||||
int (*do_subchannel_work) (SubchDev *, ORB *);
|
||||
int (*do_subchannel_work) (SubchDev *);
|
||||
SenseId id;
|
||||
void *driver_data;
|
||||
};
|
||||
|
|
@ -154,10 +156,9 @@ void css_generate_sch_crws(uint8_t cssid, uint8_t ssid, uint16_t schid,
|
|||
void css_generate_chp_crws(uint8_t cssid, uint8_t chpid);
|
||||
void css_generate_css_crws(uint8_t cssid);
|
||||
void css_clear_sei_pending(void);
|
||||
void css_adapter_interrupt(uint8_t isc);
|
||||
int s390_ccw_cmd_request(ORB *orb, SCSW *scsw, void *data);
|
||||
int do_subchannel_work_virtual(SubchDev *sub, ORB *orb);
|
||||
int do_subchannel_work_passthrough(SubchDev *sub, ORB *orb);
|
||||
int do_subchannel_work_virtual(SubchDev *sub);
|
||||
int do_subchannel_work_passthrough(SubchDev *sub);
|
||||
|
||||
typedef enum {
|
||||
CSS_IO_ADAPTER_VIRTIO = 0,
|
||||
|
|
@ -165,9 +166,17 @@ typedef enum {
|
|||
CSS_IO_ADAPTER_TYPE_NUMS,
|
||||
} CssIoAdapterType;
|
||||
|
||||
void css_adapter_interrupt(CssIoAdapterType type, uint8_t isc);
|
||||
int css_do_sic(CPUS390XState *env, uint8_t isc, uint16_t mode);
|
||||
uint32_t css_get_adapter_id(CssIoAdapterType type, uint8_t isc);
|
||||
void css_register_io_adapters(CssIoAdapterType type, bool swap, bool maskable,
|
||||
Error **errp);
|
||||
uint8_t flags, Error **errp);
|
||||
|
||||
#ifndef CONFIG_KVM
|
||||
#define S390_ADAPTER_SUPPRESSIBLE 0x01
|
||||
#else
|
||||
#define S390_ADAPTER_SUPPRESSIBLE KVM_S390_ADAPTER_SUPPRESSIBLE
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_USER_ONLY
|
||||
SubchDev *css_find_subch(uint8_t m, uint8_t cssid, uint8_t ssid,
|
||||
|
|
@ -225,4 +234,8 @@ extern const PropertyInfo css_devid_ro_propinfo;
|
|||
*/
|
||||
SubchDev *css_create_sch(CssDevId bus_id, bool is_virtual, bool squash_mcss,
|
||||
Error **errp);
|
||||
|
||||
/** Turn on css migration */
|
||||
void css_register_vmstate(void);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -39,11 +39,21 @@ typedef struct S390CcwMachineClass {
|
|||
/*< public >*/
|
||||
bool ri_allowed;
|
||||
bool cpu_model_allowed;
|
||||
bool css_migration_enabled;
|
||||
bool gs_allowed;
|
||||
} S390CcwMachineClass;
|
||||
|
||||
/* runtime-instrumentation allowed by the machine */
|
||||
bool ri_allowed(void);
|
||||
/* cpu model allowed by the machine */
|
||||
bool cpu_model_allowed(void);
|
||||
/* guarded-storage allowed by the machine */
|
||||
bool gs_allowed(void);
|
||||
|
||||
/**
|
||||
* Returns true if (vmstate based) migration of the channel subsystem
|
||||
* is enabled, false if it is disabled.
|
||||
*/
|
||||
bool css_migration_enabled(void);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -44,7 +44,7 @@ typedef struct S390FLICState {
|
|||
SysBusDevice parent_obj;
|
||||
/* to limit AdapterRoutes.num_routes for compat */
|
||||
uint32_t adapter_routes_max_batch;
|
||||
|
||||
bool ais_supported;
|
||||
} S390FLICState;
|
||||
|
||||
#define S390_FLIC_COMMON_CLASS(klass) \
|
||||
|
|
@ -56,13 +56,16 @@ typedef struct S390FLICStateClass {
|
|||
DeviceClass parent_class;
|
||||
|
||||
int (*register_io_adapter)(S390FLICState *fs, uint32_t id, uint8_t isc,
|
||||
bool swap, bool maskable);
|
||||
bool swap, bool maskable, uint8_t flags);
|
||||
int (*io_adapter_map)(S390FLICState *fs, uint32_t id, uint64_t map_addr,
|
||||
bool do_map);
|
||||
int (*add_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes);
|
||||
void (*release_adapter_routes)(S390FLICState *fs, AdapterRoutes *routes);
|
||||
int (*clear_io_irq)(S390FLICState *fs, uint16_t subchannel_id,
|
||||
uint16_t subchannel_nr);
|
||||
int (*modify_ais_mode)(S390FLICState *fs, uint8_t isc, uint16_t mode);
|
||||
int (*inject_airq)(S390FLICState *fs, uint8_t type, uint8_t isc,
|
||||
uint8_t flags);
|
||||
} S390FLICStateClass;
|
||||
|
||||
#define TYPE_KVM_S390_FLIC "s390-flic-kvm"
|
||||
|
|
@ -73,13 +76,20 @@ typedef struct S390FLICStateClass {
|
|||
#define QEMU_S390_FLIC(obj) \
|
||||
OBJECT_CHECK(QEMUS390FLICState, (obj), TYPE_QEMU_S390_FLIC)
|
||||
|
||||
#define SIC_IRQ_MODE_ALL 0
|
||||
#define SIC_IRQ_MODE_SINGLE 1
|
||||
#define AIS_MODE_MASK(isc) (0x80 >> isc)
|
||||
|
||||
typedef struct QEMUS390FLICState {
|
||||
S390FLICState parent_obj;
|
||||
uint8_t simm;
|
||||
uint8_t nimm;
|
||||
} QEMUS390FLICState;
|
||||
|
||||
void s390_flic_init(void);
|
||||
|
||||
S390FLICState *s390_get_flic(void);
|
||||
bool ais_needed(void *opaque);
|
||||
|
||||
#ifdef CONFIG_KVM
|
||||
DeviceState *s390_flic_kvm_create(void);
|
||||
|
|
|
|||
|
|
@ -123,8 +123,7 @@ typedef struct ReadInfo {
|
|||
uint64_t facilities; /* 48-55 */
|
||||
uint8_t _reserved0[76 - 56]; /* 56-75 */
|
||||
uint32_t ibc_val;
|
||||
uint8_t conf_char[96 - 80]; /* 80-95 */
|
||||
uint8_t _reserved4[99 - 96]; /* 96-98 */
|
||||
uint8_t conf_char[99 - 80]; /* 80-98 */
|
||||
uint8_t mha_pow;
|
||||
uint32_t rnsize2;
|
||||
uint64_t rnmax2;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,81 @@
|
|||
/*
|
||||
* s390 storage attributes device
|
||||
*
|
||||
* Copyright 2016 IBM Corp.
|
||||
* Author(s): Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
|
||||
*
|
||||
* This work is licensed under the terms of the GNU GPL, version 2 or (at
|
||||
* your option) any later version. See the COPYING file in the top-level
|
||||
* directory.
|
||||
*/
|
||||
|
||||
#ifndef S390_STORAGE_ATTRIBUTES_H
|
||||
#define S390_STORAGE_ATTRIBUTES_H
|
||||
|
||||
#include <hw/qdev.h>
|
||||
#include "monitor/monitor.h"
|
||||
|
||||
#define TYPE_S390_STATTRIB "s390-storage_attributes"
|
||||
#define TYPE_QEMU_S390_STATTRIB "s390-storage_attributes-qemu"
|
||||
#define TYPE_KVM_S390_STATTRIB "s390-storage_attributes-kvm"
|
||||
|
||||
#define S390_STATTRIB(obj) \
|
||||
OBJECT_CHECK(S390StAttribState, (obj), TYPE_S390_STATTRIB)
|
||||
|
||||
typedef struct S390StAttribState {
|
||||
DeviceState parent_obj;
|
||||
uint64_t migration_cur_gfn;
|
||||
bool migration_enabled;
|
||||
} S390StAttribState;
|
||||
|
||||
#define S390_STATTRIB_CLASS(klass) \
|
||||
OBJECT_CLASS_CHECK(S390StAttribClass, (klass), TYPE_S390_STATTRIB)
|
||||
#define S390_STATTRIB_GET_CLASS(obj) \
|
||||
OBJECT_GET_CLASS(S390StAttribClass, (obj), TYPE_S390_STATTRIB)
|
||||
|
||||
typedef struct S390StAttribClass {
|
||||
DeviceClass parent_class;
|
||||
/* Return value: < 0 on error, or new count */
|
||||
int (*get_stattr)(S390StAttribState *sa, uint64_t *start_gfn,
|
||||
uint32_t count, uint8_t *values);
|
||||
int (*peek_stattr)(S390StAttribState *sa, uint64_t start_gfn,
|
||||
uint32_t count, uint8_t *values);
|
||||
int (*set_stattr)(S390StAttribState *sa, uint64_t start_gfn,
|
||||
uint32_t count, uint8_t *values);
|
||||
void (*synchronize)(S390StAttribState *sa);
|
||||
int (*set_migrationmode)(S390StAttribState *sa, bool value);
|
||||
int (*get_active)(S390StAttribState *sa);
|
||||
long long (*get_dirtycount)(S390StAttribState *sa);
|
||||
} S390StAttribClass;
|
||||
|
||||
#define QEMU_S390_STATTRIB(obj) \
|
||||
OBJECT_CHECK(QEMUS390StAttribState, (obj), TYPE_QEMU_S390_STATTRIB)
|
||||
|
||||
typedef struct QEMUS390StAttribState {
|
||||
S390StAttribState parent_obj;
|
||||
} QEMUS390StAttribState;
|
||||
|
||||
#define KVM_S390_STATTRIB(obj) \
|
||||
OBJECT_CHECK(KVMS390StAttribState, (obj), TYPE_KVM_S390_STATTRIB)
|
||||
|
||||
typedef struct KVMS390StAttribState {
|
||||
S390StAttribState parent_obj;
|
||||
uint64_t still_dirty;
|
||||
uint8_t *incoming_buffer;
|
||||
} KVMS390StAttribState;
|
||||
|
||||
void s390_stattrib_init(void);
|
||||
|
||||
#ifdef CONFIG_KVM
|
||||
Object *kvm_s390_stattrib_create(void);
|
||||
#else
|
||||
static inline Object *kvm_s390_stattrib_create(void)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
|
||||
void hmp_info_cmma(Monitor *mon, const QDict *qdict);
|
||||
void hmp_migrationmode(Monitor *mon, const QDict *qdict);
|
||||
|
||||
#endif /* S390_STORAGE_ATTRIBUTES_H */
|
||||
|
|
@ -34,16 +34,10 @@
|
|||
#define HV_X64_MSR_REFERENCE_TSC 0x40000021
|
||||
|
||||
/*
|
||||
* There is a single feature flag that signifies the presence of the MSR
|
||||
* that can be used to retrieve both the local APIC Timer frequency as
|
||||
* well as the TSC frequency.
|
||||
* There is a single feature flag that signifies if the partition has access
|
||||
* to MSRs with local APIC and TSC frequencies.
|
||||
*/
|
||||
|
||||
/* Local APIC timer frequency MSR (HV_X64_MSR_APIC_FREQUENCY) is available */
|
||||
#define HV_X64_MSR_APIC_FREQUENCY_AVAILABLE (1 << 11)
|
||||
|
||||
/* TSC frequency MSR (HV_X64_MSR_TSC_FREQUENCY) is available */
|
||||
#define HV_X64_MSR_TSC_FREQUENCY_AVAILABLE (1 << 11)
|
||||
#define HV_X64_ACCESS_FREQUENCY_MSRS (1 << 11)
|
||||
|
||||
/*
|
||||
* Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM
|
||||
|
|
@ -73,6 +67,9 @@
|
|||
*/
|
||||
#define HV_X64_MSR_STAT_PAGES_AVAILABLE (1 << 8)
|
||||
|
||||
/* Frequency MSRs available */
|
||||
#define HV_FEATURE_FREQUENCY_MSRS_AVAILABLE (1 << 8)
|
||||
|
||||
/* Crash MSR available */
|
||||
#define HV_FEATURE_GUEST_CRASH_MSR_AVAILABLE (1 << 10)
|
||||
|
||||
|
|
@ -152,6 +149,12 @@
|
|||
*/
|
||||
#define HV_X64_DEPRECATING_AEOI_RECOMMENDED (1 << 9)
|
||||
|
||||
/*
|
||||
* HV_VP_SET available
|
||||
*/
|
||||
#define HV_X64_EX_PROCESSOR_MASKS_RECOMMENDED (1 << 11)
|
||||
|
||||
|
||||
/*
|
||||
* Crash notification flag.
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -600,6 +600,7 @@
|
|||
#define KEY_APPSELECT 0x244 /* AL Select Task/Application */
|
||||
#define KEY_SCREENSAVER 0x245 /* AL Screen Saver */
|
||||
#define KEY_VOICECOMMAND 0x246 /* Listening Voice Command */
|
||||
#define KEY_ASSISTANT 0x247 /* AL Context-aware desktop assistant */
|
||||
|
||||
#define KEY_BRIGHTNESS_MIN 0x250 /* Set Brightness to Minimum */
|
||||
#define KEY_BRIGHTNESS_MAX 0x251 /* Set Brightness to Maximum */
|
||||
|
|
|
|||
|
|
@ -517,6 +517,7 @@
|
|||
#define PCI_EXP_LNKCAP_SLS 0x0000000f /* Supported Link Speeds */
|
||||
#define PCI_EXP_LNKCAP_SLS_2_5GB 0x00000001 /* LNKCAP2 SLS Vector bit 0 */
|
||||
#define PCI_EXP_LNKCAP_SLS_5_0GB 0x00000002 /* LNKCAP2 SLS Vector bit 1 */
|
||||
#define PCI_EXP_LNKCAP_SLS_8_0GB 0x00000003 /* LNKCAP2 SLS Vector bit 2 */
|
||||
#define PCI_EXP_LNKCAP_MLW 0x000003f0 /* Maximum Link Width */
|
||||
#define PCI_EXP_LNKCAP_ASPMS 0x00000c00 /* ASPM Support */
|
||||
#define PCI_EXP_LNKCAP_L0SEL 0x00007000 /* L0s Exit Latency */
|
||||
|
|
|
|||
|
|
@ -203,6 +203,14 @@ struct kvm_arch_memory_slot {
|
|||
#define KVM_DEV_ARM_VGIC_LINE_LEVEL_INTID_MASK 0x3ff
|
||||
#define VGIC_LEVEL_INFO_LINE_LEVEL 0
|
||||
|
||||
/* Device Control API on vcpu fd */
|
||||
#define KVM_ARM_VCPU_PMU_V3_CTRL 0
|
||||
#define KVM_ARM_VCPU_PMU_V3_IRQ 0
|
||||
#define KVM_ARM_VCPU_PMU_V3_INIT 1
|
||||
#define KVM_ARM_VCPU_TIMER_CTRL 1
|
||||
#define KVM_ARM_VCPU_TIMER_IRQ_VTIMER 0
|
||||
#define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1
|
||||
|
||||
#define KVM_DEV_ARM_VGIC_CTRL_INIT 0
|
||||
#define KVM_DEV_ARM_ITS_SAVE_TABLES 1
|
||||
#define KVM_DEV_ARM_ITS_RESTORE_TABLES 2
|
||||
|
|
|
|||
|
|
@ -232,6 +232,9 @@ struct kvm_arch_memory_slot {
|
|||
#define KVM_ARM_VCPU_PMU_V3_CTRL 0
|
||||
#define KVM_ARM_VCPU_PMU_V3_IRQ 0
|
||||
#define KVM_ARM_VCPU_PMU_V3_INIT 1
|
||||
#define KVM_ARM_VCPU_TIMER_CTRL 1
|
||||
#define KVM_ARM_VCPU_TIMER_IRQ_VTIMER 0
|
||||
#define KVM_ARM_VCPU_TIMER_IRQ_PTIMER 1
|
||||
|
||||
/* KVM_IRQ_LINE irq field index values */
|
||||
#define KVM_ARM_IRQ_TYPE_SHIFT 24
|
||||
|
|
|
|||
|
|
@ -60,6 +60,12 @@ struct kvm_regs {
|
|||
|
||||
#define KVM_SREGS_E_FSL_PIDn (1 << 0) /* PID1/PID2 */
|
||||
|
||||
/* flags for kvm_run.flags */
|
||||
#define KVM_RUN_PPC_NMI_DISP_MASK (3 << 0)
|
||||
#define KVM_RUN_PPC_NMI_DISP_FULLY_RECOV (1 << 0)
|
||||
#define KVM_RUN_PPC_NMI_DISP_LIMITED_RECOV (2 << 0)
|
||||
#define KVM_RUN_PPC_NMI_DISP_NOT_RECOV (3 << 0)
|
||||
|
||||
/*
|
||||
* Feature bits indicate which sections of the sregs struct are valid,
|
||||
* both in KVM_GET_SREGS and KVM_SET_SREGS. On KVM_SET_SREGS, registers
|
||||
|
|
|
|||
|
|
@ -28,6 +28,7 @@
|
|||
#define KVM_DEV_FLIC_CLEAR_IO_IRQ 8
|
||||
#define KVM_DEV_FLIC_AISM 9
|
||||
#define KVM_DEV_FLIC_AIRQ_INJECT 10
|
||||
#define KVM_DEV_FLIC_AISM_ALL 11
|
||||
/*
|
||||
* We can have up to 4*64k pending subchannels + 8 adapter interrupts,
|
||||
* as well as up to ASYNC_PF_PER_VCPU*KVM_MAX_VCPUS pfault done interrupts.
|
||||
|
|
@ -53,6 +54,11 @@ struct kvm_s390_ais_req {
|
|||
__u16 mode;
|
||||
};
|
||||
|
||||
struct kvm_s390_ais_all {
|
||||
__u8 simm;
|
||||
__u8 nimm;
|
||||
};
|
||||
|
||||
#define KVM_S390_IO_ADAPTER_MASK 1
|
||||
#define KVM_S390_IO_ADAPTER_MAP 2
|
||||
#define KVM_S390_IO_ADAPTER_UNMAP 3
|
||||
|
|
@ -70,6 +76,7 @@ struct kvm_s390_io_adapter_req {
|
|||
#define KVM_S390_VM_TOD 1
|
||||
#define KVM_S390_VM_CRYPTO 2
|
||||
#define KVM_S390_VM_CPU_MODEL 3
|
||||
#define KVM_S390_VM_MIGRATION 4
|
||||
|
||||
/* kvm attributes for mem_ctrl */
|
||||
#define KVM_S390_VM_MEM_ENABLE_CMMA 0
|
||||
|
|
@ -151,6 +158,11 @@ struct kvm_s390_vm_cpu_subfunc {
|
|||
#define KVM_S390_VM_CRYPTO_DISABLE_AES_KW 2
|
||||
#define KVM_S390_VM_CRYPTO_DISABLE_DEA_KW 3
|
||||
|
||||
/* kvm attributes for migration mode */
|
||||
#define KVM_S390_VM_MIGRATION_STOP 0
|
||||
#define KVM_S390_VM_MIGRATION_START 1
|
||||
#define KVM_S390_VM_MIGRATION_STATUS 2
|
||||
|
||||
/* for KVM_GET_REGS and KVM_SET_REGS */
|
||||
struct kvm_regs {
|
||||
/* general purpose regs for s390 */
|
||||
|
|
|
|||
|
|
@ -155,6 +155,35 @@ struct kvm_s390_skeys {
|
|||
__u32 reserved[9];
|
||||
};
|
||||
|
||||
#define KVM_S390_CMMA_PEEK (1 << 0)
|
||||
|
||||
/**
|
||||
* kvm_s390_cmma_log - Used for CMMA migration.
|
||||
*
|
||||
* Used both for input and output.
|
||||
*
|
||||
* @start_gfn: Guest page number to start from.
|
||||
* @count: Size of the result buffer.
|
||||
* @flags: Control operation mode via KVM_S390_CMMA_* flags
|
||||
* @remaining: Used with KVM_S390_GET_CMMA_BITS. Indicates how many dirty
|
||||
* pages are still remaining.
|
||||
* @mask: Used with KVM_S390_SET_CMMA_BITS. Bitmap of bits to actually set
|
||||
* in the PGSTE.
|
||||
* @values: Pointer to the values buffer.
|
||||
*
|
||||
* Used in KVM_S390_{G,S}ET_CMMA_BITS ioctls.
|
||||
*/
|
||||
struct kvm_s390_cmma_log {
|
||||
__u64 start_gfn;
|
||||
__u32 count;
|
||||
__u32 flags;
|
||||
union {
|
||||
__u64 remaining;
|
||||
__u64 mask;
|
||||
};
|
||||
__u64 values;
|
||||
};
|
||||
|
||||
struct kvm_hyperv_exit {
|
||||
#define KVM_EXIT_HYPERV_SYNIC 1
|
||||
#define KVM_EXIT_HYPERV_HCALL 2
|
||||
|
|
@ -895,6 +924,9 @@ struct kvm_ppc_resize_hpt {
|
|||
#define KVM_CAP_SPAPR_TCE_VFIO 142
|
||||
#define KVM_CAP_X86_GUEST_MWAIT 143
|
||||
#define KVM_CAP_ARM_USER_IRQ 144
|
||||
#define KVM_CAP_S390_CMMA_MIGRATION 145
|
||||
#define KVM_CAP_PPC_FWNMI 146
|
||||
#define KVM_CAP_PPC_SMT_POSSIBLE 147
|
||||
|
||||
#ifdef KVM_CAP_IRQ_ROUTING
|
||||
|
||||
|
|
@ -1318,6 +1350,9 @@ struct kvm_s390_ucas_mapping {
|
|||
#define KVM_S390_GET_IRQ_STATE _IOW(KVMIO, 0xb6, struct kvm_s390_irq_state)
|
||||
/* Available with KVM_CAP_X86_SMM */
|
||||
#define KVM_SMI _IO(KVMIO, 0xb7)
|
||||
/* Available with KVM_CAP_S390_CMMA_MIGRATION */
|
||||
#define KVM_S390_GET_CMMA_BITS _IOW(KVMIO, 0xb8, struct kvm_s390_cmma_log)
|
||||
#define KVM_S390_SET_CMMA_BITS _IOW(KVMIO, 0xb9, struct kvm_s390_cmma_log)
|
||||
|
||||
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
|
||||
#define KVM_DEV_ASSIGN_PCI_2_3 (1 << 1)
|
||||
|
|
|
|||
|
|
@ -81,6 +81,7 @@
|
|||
|
||||
#if defined(TARGET_S390X)
|
||||
#include "hw/s390x/storage-keys.h"
|
||||
#include "hw/s390x/storage-attributes.h"
|
||||
#endif
|
||||
|
||||
/*
|
||||
|
|
|
|||
Binary file not shown.
|
|
@ -9,14 +9,14 @@ $(call set-vpath, $(SRC_PATH)/pc-bios/s390-ccw)
|
|||
|
||||
.PHONY : all clean build-all
|
||||
|
||||
OBJECTS = start.o main.o bootmap.o sclp.o virtio.o virtio-scsi.o
|
||||
OBJECTS = start.o main.o bootmap.o sclp.o virtio.o virtio-scsi.o virtio-blkdev.o
|
||||
QEMU_CFLAGS := $(filter -W%, $(QEMU_CFLAGS))
|
||||
QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -msoft-float
|
||||
QEMU_CFLAGS += -march=z900 -fPIE -fno-strict-aliasing
|
||||
QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-stack-protector)
|
||||
LDFLAGS += -Wl,-pie -nostdlib
|
||||
|
||||
build-all: s390-ccw.img
|
||||
build-all: s390-ccw.img s390-netboot.img
|
||||
|
||||
s390-ccw.elf: $(OBJECTS)
|
||||
$(call quiet-command,$(CC) $(LDFLAGS) -o $@ $(OBJECTS),"BUILD","$(TARGET_DIR)$@")
|
||||
|
|
@ -28,5 +28,12 @@ s390-ccw.img: s390-ccw.elf
|
|||
|
||||
$(OBJECTS): Makefile
|
||||
|
||||
ifneq ($(wildcard $(SRC_PATH)/roms/SLOF/lib/libnet),)
|
||||
include $(SRC_PATH)/pc-bios/s390-ccw/netboot.mak
|
||||
else
|
||||
s390-netboot.img:
|
||||
@echo "s390-netboot.img not built since roms/SLOF/ is not available."
|
||||
endif
|
||||
|
||||
clean:
|
||||
rm -f *.o *.d *.img *.elf *~
|
||||
$(RM) *.o *.d *.img *.elf *~ *.a
|
||||
|
|
|
|||
|
|
@ -8,9 +8,11 @@
|
|||
* directory.
|
||||
*/
|
||||
|
||||
#include "libc.h"
|
||||
#include "s390-ccw.h"
|
||||
#include "bootmap.h"
|
||||
#include "virtio.h"
|
||||
#include "bswap.h"
|
||||
|
||||
#ifdef DEBUG
|
||||
/* #define DEBUG_FALLBACK */
|
||||
|
|
|
|||
|
|
@ -324,32 +324,6 @@ static inline int _memcmp(const void *s1, const void *s2, size_t n)
|
|||
return 0;
|
||||
}
|
||||
|
||||
/* from include/qemu/bswap.h */
|
||||
|
||||
/* El Torito is always little-endian */
|
||||
static inline uint16_t bswap16(uint16_t x)
|
||||
{
|
||||
return ((x & 0x00ff) << 8) | ((x & 0xff00) >> 8);
|
||||
}
|
||||
|
||||
static inline uint32_t bswap32(uint32_t x)
|
||||
{
|
||||
return ((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) |
|
||||
((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24);
|
||||
}
|
||||
|
||||
static inline uint64_t bswap64(uint64_t x)
|
||||
{
|
||||
return ((x & 0x00000000000000ffULL) << 56) |
|
||||
((x & 0x000000000000ff00ULL) << 40) |
|
||||
((x & 0x0000000000ff0000ULL) << 24) |
|
||||
((x & 0x00000000ff000000ULL) << 8) |
|
||||
((x & 0x000000ff00000000ULL) >> 8) |
|
||||
((x & 0x0000ff0000000000ULL) >> 24) |
|
||||
((x & 0x00ff000000000000ULL) >> 40) |
|
||||
((x & 0xff00000000000000ULL) >> 56);
|
||||
}
|
||||
|
||||
static inline uint32_t iso_733_to_u32(uint64_t x)
|
||||
{
|
||||
return (uint32_t)x;
|
||||
|
|
|
|||
|
|
@ -0,0 +1,30 @@
|
|||
/*
|
||||
* Byte swap functions - taken from include/qemu/bswap.h
|
||||
*
|
||||
* This work is licensed under the terms of the GNU GPL, version 2 or (at
|
||||
* your option) any later version. See the COPYING file in the top-level
|
||||
* directory.
|
||||
*/
|
||||
|
||||
static inline uint16_t bswap16(uint16_t x)
|
||||
{
|
||||
return ((x & 0x00ff) << 8) | ((x & 0xff00) >> 8);
|
||||
}
|
||||
|
||||
static inline uint32_t bswap32(uint32_t x)
|
||||
{
|
||||
return ((x & 0x000000ffU) << 24) | ((x & 0x0000ff00U) << 8) |
|
||||
((x & 0x00ff0000U) >> 8) | ((x & 0xff000000U) >> 24);
|
||||
}
|
||||
|
||||
static inline uint64_t bswap64(uint64_t x)
|
||||
{
|
||||
return ((x & 0x00000000000000ffULL) << 56) |
|
||||
((x & 0x000000000000ff00ULL) << 40) |
|
||||
((x & 0x0000000000ff0000ULL) << 24) |
|
||||
((x & 0x00000000ff000000ULL) << 8) |
|
||||
((x & 0x000000ff00000000ULL) >> 8) |
|
||||
((x & 0x0000ff0000000000ULL) >> 24) |
|
||||
((x & 0x00ff000000000000ULL) >> 40) |
|
||||
((x & 0xff00000000000000ULL) >> 56);
|
||||
}
|
||||
|
|
@ -0,0 +1,45 @@
|
|||
/*
|
||||
* libc-style definitions and functions
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*/
|
||||
|
||||
#ifndef S390_CCW_LIBC_H
|
||||
#define S390_CCW_LIBC_H
|
||||
|
||||
typedef long size_t;
|
||||
typedef int bool;
|
||||
typedef unsigned char uint8_t;
|
||||
typedef unsigned short uint16_t;
|
||||
typedef unsigned int uint32_t;
|
||||
typedef unsigned long long uint64_t;
|
||||
|
||||
static inline void *memset(void *s, int c, size_t n)
|
||||
{
|
||||
int i;
|
||||
unsigned char *p = s;
|
||||
|
||||
for (i = 0; i < n; i++) {
|
||||
p[i] = c;
|
||||
}
|
||||
|
||||
return s;
|
||||
}
|
||||
|
||||
static inline void *memcpy(void *s1, const void *s2, size_t n)
|
||||
{
|
||||
uint8_t *dest = s1;
|
||||
const uint8_t *src = s2;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < n; i++) {
|
||||
dest[i] = src[i];
|
||||
}
|
||||
|
||||
return s1;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -8,6 +8,7 @@
|
|||
* directory.
|
||||
*/
|
||||
|
||||
#include "libc.h"
|
||||
#include "s390-ccw.h"
|
||||
#include "virtio.h"
|
||||
|
||||
|
|
@ -16,17 +17,6 @@ static SubChannelId blk_schid = { .one = 1 };
|
|||
IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
|
||||
static char loadparm[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
|
||||
|
||||
const unsigned char ebc2asc[256] =
|
||||
/* 0123456789abcdef0123456789abcdef */
|
||||
"................................" /* 1F */
|
||||
"................................" /* 3F */
|
||||
" ...........<(+|&.........!$*);." /* 5F first.chr.here.is.real.space */
|
||||
"-/.........,%_>?.........`:#@'=\""/* 7F */
|
||||
".abcdefghi.......jklmnopqr......" /* 9F */
|
||||
"..stuvwxyz......................" /* BF */
|
||||
".ABCDEFGHI.......JKLMNOPQR......" /* DF */
|
||||
"..STUVWXYZ......0123456789......";/* FF */
|
||||
|
||||
/*
|
||||
* Priniciples of Operations (SA22-7832-09) chapter 17 requires that
|
||||
* a subsystem-identification is at 184-187 and bytes 188-191 are zero
|
||||
|
|
@ -154,7 +144,7 @@ static void virtio_setup(void)
|
|||
sclp_print("Network boot device detected\n");
|
||||
vdev->netboot_start_addr = iplb.ccw.netboot_start_addr;
|
||||
} else {
|
||||
virtio_setup_device(blk_schid);
|
||||
virtio_blk_setup_device(blk_schid);
|
||||
|
||||
IPL_assert(virtio_ipl_disk_is_valid(), "No valid IPL device detected");
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,59 @@
|
|||
|
||||
SLOF_DIR := $(SRC_PATH)/roms/SLOF
|
||||
|
||||
NETOBJS := start.o sclp.o virtio.o virtio-net.o netmain.o libnet.a libc.a
|
||||
|
||||
LIBC_INC := -nostdinc -I$(SLOF_DIR)/lib/libc/include
|
||||
LIBNET_INC := -I$(SLOF_DIR)/lib/libnet
|
||||
|
||||
NETLDFLAGS := $(LDFLAGS) -Ttext=0x7800000
|
||||
|
||||
$(NETOBJS): QEMU_CFLAGS += $(LIBC_INC) $(LIBNET_INC)
|
||||
|
||||
s390-netboot.elf: $(NETOBJS)
|
||||
$(call quiet-command,$(CC) $(NETLDFLAGS) -o $@ $(NETOBJS),"BUILD","$(TARGET_DIR)$@")
|
||||
|
||||
s390-netboot.img: s390-netboot.elf
|
||||
$(call quiet-command,$(STRIP) --strip-unneeded $< -o $@,"STRIP","$(TARGET_DIR)$@")
|
||||
|
||||
# libc files:
|
||||
|
||||
LIBC_CFLAGS := $(QEMU_CFLAGS) $(LIBC_INC) $(LIBNET_INC)
|
||||
|
||||
CTYPE_OBJS = isdigit.o isxdigit.o toupper.o
|
||||
%.o : $(SLOF_DIR)/lib/libc/ctype/%.c
|
||||
$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@")
|
||||
|
||||
STRING_OBJS = strcat.o strchr.o strcmp.o strcpy.o strlen.o strncmp.o strncpy.o \
|
||||
strstr.o memset.o memcpy.o memmove.o memcmp.o
|
||||
%.o : $(SLOF_DIR)/lib/libc/string/%.c
|
||||
$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@")
|
||||
|
||||
STDLIB_OBJS = atoi.o atol.o strtoul.o strtol.o rand.o malloc.o free.o
|
||||
%.o : $(SLOF_DIR)/lib/libc/stdlib/%.c
|
||||
$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@")
|
||||
|
||||
STDIO_OBJS = sprintf.o vfprintf.o vsnprintf.o vsprintf.o fprintf.o \
|
||||
printf.o putc.o puts.o putchar.o stdchnls.o fileno.o
|
||||
%.o : $(SLOF_DIR)/lib/libc/stdio/%.c
|
||||
$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@")
|
||||
|
||||
sbrk.o: $(SLOF_DIR)/slof/sbrk.c
|
||||
$(call quiet-command,$(CC) $(LIBC_CFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@")
|
||||
|
||||
LIBCOBJS := $(STRING_OBJS) $(CTYPE_OBJS) $(STDLIB_OBJS) $(STDIO_OBJS) sbrk.o
|
||||
|
||||
libc.a: $(LIBCOBJS)
|
||||
$(call quiet-command,$(AR) -rc $@ $^,"AR","$(TARGET_DIR)$@")
|
||||
|
||||
# libnet files:
|
||||
|
||||
LIBNETOBJS := args.o dhcp.o dns.o icmpv6.o ipv6.o tcp.o udp.o bootp.o \
|
||||
dhcpv6.o ethernet.o ipv4.o ndp.o tftp.o
|
||||
LIBNETCFLAGS := $(QEMU_CFLAGS) $(LIBC_INC) $(LIBNET_INC)
|
||||
|
||||
%.o : $(SLOF_DIR)/lib/libnet/%.c
|
||||
$(call quiet-command,$(CC) $(LIBNETCFLAGS) -c -o $@ $<,"CC","$(TARGET_DIR)$@")
|
||||
|
||||
libnet.a: $(LIBNETOBJS)
|
||||
$(call quiet-command,$(AR) -rc $@ $^,"AR","$(TARGET_DIR)$@")
|
||||
|
|
@ -0,0 +1,361 @@
|
|||
/*
|
||||
* S390 virtio-ccw network boot loading program
|
||||
*
|
||||
* Copyright 2017 Thomas Huth, Red Hat Inc.
|
||||
*
|
||||
* Based on the S390 virtio-ccw loading program (main.c)
|
||||
* Copyright (c) 2013 Alexander Graf <agraf@suse.de>
|
||||
*
|
||||
* And based on the network loading code from SLOF (netload.c)
|
||||
* Copyright (c) 2004, 2008 IBM Corporation
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#include <tftp.h>
|
||||
#include <ethernet.h>
|
||||
#include <dhcp.h>
|
||||
#include <dhcpv6.h>
|
||||
#include <ipv4.h>
|
||||
#include <ipv6.h>
|
||||
#include <dns.h>
|
||||
#include <time.h>
|
||||
|
||||
#include "s390-ccw.h"
|
||||
#include "virtio.h"
|
||||
|
||||
#define DEFAULT_BOOT_RETRIES 10
|
||||
#define DEFAULT_TFTP_RETRIES 20
|
||||
|
||||
extern char _start[];
|
||||
|
||||
char stack[PAGE_SIZE * 8] __attribute__((aligned(PAGE_SIZE)));
|
||||
IplParameterBlock iplb __attribute__((aligned(PAGE_SIZE)));
|
||||
|
||||
static SubChannelId net_schid = { .one = 1 };
|
||||
static int ip_version = 4;
|
||||
static uint64_t dest_timer;
|
||||
|
||||
static uint64_t get_timer_ms(void)
|
||||
{
|
||||
uint64_t clk;
|
||||
|
||||
asm volatile(" stck %0 " : : "Q"(clk) : "memory");
|
||||
|
||||
/* Bit 51 is incremented each microsecond */
|
||||
return (clk >> (63 - 51)) / 1000;
|
||||
}
|
||||
|
||||
void set_timer(int val)
|
||||
{
|
||||
dest_timer = get_timer_ms() + val;
|
||||
}
|
||||
|
||||
int get_timer(void)
|
||||
{
|
||||
return dest_timer - get_timer_ms();
|
||||
}
|
||||
|
||||
int get_sec_ticks(void)
|
||||
{
|
||||
return 1000; /* number of ticks in 1 second */
|
||||
}
|
||||
|
||||
/**
|
||||
* Obtain IP and configuration info from DHCP server (either IPv4 or IPv6).
|
||||
* @param fn_ip contains the following configuration information:
|
||||
* client MAC, client IP, TFTP-server MAC, TFTP-server IP,
|
||||
* boot file name
|
||||
* @param retries Number of DHCP attempts
|
||||
* @return 0 : IP and configuration info obtained;
|
||||
* non-0 : error condition occurred.
|
||||
*/
|
||||
static int dhcp(struct filename_ip *fn_ip, int retries)
|
||||
{
|
||||
int i = retries + 1;
|
||||
int rc = -1;
|
||||
|
||||
printf(" Requesting information via DHCP: ");
|
||||
|
||||
dhcpv4_generate_transaction_id();
|
||||
dhcpv6_generate_transaction_id();
|
||||
|
||||
do {
|
||||
printf("\b\b\b%03d", i - 1);
|
||||
if (!--i) {
|
||||
printf("\nGiving up after %d DHCP requests\n", retries);
|
||||
return -1;
|
||||
}
|
||||
ip_version = 4;
|
||||
rc = dhcpv4(NULL, fn_ip);
|
||||
if (rc == -1) {
|
||||
ip_version = 6;
|
||||
set_ipv6_address(fn_ip->fd, 0);
|
||||
rc = dhcpv6(NULL, fn_ip);
|
||||
if (rc == 0) {
|
||||
memcpy(&fn_ip->own_ip6, get_ipv6_address(), 16);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (rc != -1) { /* either success or non-dhcp failure */
|
||||
break;
|
||||
}
|
||||
} while (1);
|
||||
printf("\b\b\b\bdone\n");
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
/**
|
||||
* Seed the random number generator with our mac and current timestamp
|
||||
*/
|
||||
static void seed_rng(uint8_t mac[])
|
||||
{
|
||||
uint64_t seed;
|
||||
|
||||
asm volatile(" stck %0 " : : "Q"(seed) : "memory");
|
||||
seed ^= (mac[2] << 24) | (mac[3] << 16) | (mac[4] << 8) | mac[5];
|
||||
srand(seed);
|
||||
}
|
||||
|
||||
static int tftp_load(filename_ip_t *fnip, void *buffer, int len,
|
||||
unsigned int retries, int ip_vers)
|
||||
{
|
||||
tftp_err_t tftp_err;
|
||||
int rc;
|
||||
|
||||
rc = tftp(fnip, buffer, len, retries, &tftp_err, 1, 1428, ip_vers);
|
||||
|
||||
if (rc > 0) {
|
||||
printf(" TFTP: Received %s (%d KBytes)\n", fnip->filename,
|
||||
rc / 1024);
|
||||
} else if (rc == -1) {
|
||||
puts("unknown TFTP error");
|
||||
} else if (rc == -2) {
|
||||
printf("TFTP buffer of %d bytes is too small for %s\n",
|
||||
len, fnip->filename);
|
||||
} else if (rc == -3) {
|
||||
printf("file not found: %s\n", fnip->filename);
|
||||
} else if (rc == -4) {
|
||||
puts("TFTP access violation");
|
||||
} else if (rc == -5) {
|
||||
puts("illegal TFTP operation");
|
||||
} else if (rc == -6) {
|
||||
puts("unknown TFTP transfer ID");
|
||||
} else if (rc == -7) {
|
||||
puts("no such TFTP user");
|
||||
} else if (rc == -8) {
|
||||
puts("TFTP blocksize negotiation failed");
|
||||
} else if (rc == -9) {
|
||||
puts("file exceeds maximum TFTP transfer size");
|
||||
} else if (rc <= -10 && rc >= -15) {
|
||||
const char *icmp_err_str;
|
||||
switch (rc) {
|
||||
case -ICMP_NET_UNREACHABLE - 10:
|
||||
icmp_err_str = "net unreachable";
|
||||
break;
|
||||
case -ICMP_HOST_UNREACHABLE - 10:
|
||||
icmp_err_str = "host unreachable";
|
||||
break;
|
||||
case -ICMP_PROTOCOL_UNREACHABLE - 10:
|
||||
icmp_err_str = "protocol unreachable";
|
||||
break;
|
||||
case -ICMP_PORT_UNREACHABLE - 10:
|
||||
icmp_err_str = "port unreachable";
|
||||
break;
|
||||
case -ICMP_FRAGMENTATION_NEEDED - 10:
|
||||
icmp_err_str = "fragmentation needed and DF set";
|
||||
break;
|
||||
case -ICMP_SOURCE_ROUTE_FAILED - 10:
|
||||
icmp_err_str = "source route failed";
|
||||
break;
|
||||
default:
|
||||
icmp_err_str = " UNKNOWN";
|
||||
break;
|
||||
}
|
||||
printf("ICMP ERROR \"%s\"\n", icmp_err_str);
|
||||
} else if (rc == -40) {
|
||||
printf("TFTP error occurred after %d bad packets received",
|
||||
tftp_err.bad_tftp_packets);
|
||||
} else if (rc == -41) {
|
||||
printf("TFTP error occurred after missing %d responses",
|
||||
tftp_err.no_packets);
|
||||
} else if (rc == -42) {
|
||||
printf("TFTP error missing block %d, expected block was %d",
|
||||
tftp_err.blocks_missed,
|
||||
tftp_err.blocks_received);
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
static int net_load(char *buffer, int len)
|
||||
{
|
||||
filename_ip_t fn_ip;
|
||||
uint8_t mac[6];
|
||||
int rc;
|
||||
|
||||
memset(&fn_ip, 0, sizeof(filename_ip_t));
|
||||
|
||||
rc = virtio_net_init(mac);
|
||||
if (rc < 0) {
|
||||
puts("Could not initialize network device");
|
||||
return -101;
|
||||
}
|
||||
fn_ip.fd = rc;
|
||||
|
||||
printf(" Using MAC address: %02x:%02x:%02x:%02x:%02x:%02x\n",
|
||||
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
|
||||
|
||||
set_mac_address(mac); /* init ethernet layer */
|
||||
seed_rng(mac);
|
||||
|
||||
rc = dhcp(&fn_ip, DEFAULT_BOOT_RETRIES);
|
||||
if (rc >= 0) {
|
||||
if (ip_version == 4) {
|
||||
set_ipv4_address(fn_ip.own_ip);
|
||||
}
|
||||
} else {
|
||||
puts("Could not get IP address");
|
||||
return -101;
|
||||
}
|
||||
|
||||
if (ip_version == 4) {
|
||||
printf(" Using IPv4 address: %d.%d.%d.%d\n",
|
||||
(fn_ip.own_ip >> 24) & 0xFF, (fn_ip.own_ip >> 16) & 0xFF,
|
||||
(fn_ip.own_ip >> 8) & 0xFF, fn_ip.own_ip & 0xFF);
|
||||
} else if (ip_version == 6) {
|
||||
char ip6_str[40];
|
||||
ipv6_to_str(fn_ip.own_ip6.addr, ip6_str);
|
||||
printf(" Using IPv6 address: %s\n", ip6_str);
|
||||
}
|
||||
|
||||
if (rc == -2) {
|
||||
printf("ARP request to TFTP server (%d.%d.%d.%d) failed\n",
|
||||
(fn_ip.server_ip >> 24) & 0xFF, (fn_ip.server_ip >> 16) & 0xFF,
|
||||
(fn_ip.server_ip >> 8) & 0xFF, fn_ip.server_ip & 0xFF);
|
||||
return -102;
|
||||
}
|
||||
if (rc == -4 || rc == -3) {
|
||||
puts("Can't obtain TFTP server IP address");
|
||||
return -107;
|
||||
}
|
||||
|
||||
if (ip_version == 4) {
|
||||
printf(" Requesting file \"%s\" via TFTP from %d.%d.%d.%d\n",
|
||||
fn_ip.filename,
|
||||
(fn_ip.server_ip >> 24) & 0xFF, (fn_ip.server_ip >> 16) & 0xFF,
|
||||
(fn_ip.server_ip >> 8) & 0xFF, fn_ip.server_ip & 0xFF);
|
||||
} else if (ip_version == 6) {
|
||||
char ip6_str[40];
|
||||
printf(" Requesting file \"%s\" via TFTP from ", fn_ip.filename);
|
||||
ipv6_to_str(fn_ip.server_ip6.addr, ip6_str);
|
||||
printf("%s\n", ip6_str);
|
||||
}
|
||||
|
||||
/* Do the TFTP load and print error message if necessary */
|
||||
rc = tftp_load(&fn_ip, buffer, len, DEFAULT_TFTP_RETRIES, ip_version);
|
||||
|
||||
if (ip_version == 4) {
|
||||
dhcp_send_release(fn_ip.fd);
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
void panic(const char *string)
|
||||
{
|
||||
sclp_print(string);
|
||||
for (;;) {
|
||||
disabled_wait();
|
||||
}
|
||||
}
|
||||
|
||||
static bool find_net_dev(Schib *schib, int dev_no)
|
||||
{
|
||||
int i, r;
|
||||
|
||||
for (i = 0; i < 0x10000; i++) {
|
||||
net_schid.sch_no = i;
|
||||
r = stsch_err(net_schid, schib);
|
||||
if (r == 3 || r == -EIO) {
|
||||
break;
|
||||
}
|
||||
if (!schib->pmcw.dnv) {
|
||||
continue;
|
||||
}
|
||||
if (!virtio_is_supported(net_schid)) {
|
||||
continue;
|
||||
}
|
||||
if (virtio_get_device_type() != VIRTIO_ID_NET) {
|
||||
continue;
|
||||
}
|
||||
if (dev_no < 0 || schib->pmcw.dev == dev_no) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
static void virtio_setup(void)
|
||||
{
|
||||
Schib schib;
|
||||
int ssid;
|
||||
bool found = false;
|
||||
uint16_t dev_no;
|
||||
|
||||
/*
|
||||
* We unconditionally enable mss support. In every sane configuration,
|
||||
* this will succeed; and even if it doesn't, stsch_err() can deal
|
||||
* with the consequences.
|
||||
*/
|
||||
enable_mss_facility();
|
||||
|
||||
if (store_iplb(&iplb)) {
|
||||
IPL_assert(iplb.pbt == S390_IPL_TYPE_CCW, "IPL_TYPE_CCW expected");
|
||||
dev_no = iplb.ccw.devno;
|
||||
debug_print_int("device no. ", dev_no);
|
||||
net_schid.ssid = iplb.ccw.ssid & 0x3;
|
||||
debug_print_int("ssid ", net_schid.ssid);
|
||||
found = find_net_dev(&schib, dev_no);
|
||||
} else {
|
||||
for (ssid = 0; ssid < 0x3; ssid++) {
|
||||
net_schid.ssid = ssid;
|
||||
found = find_net_dev(&schib, -1);
|
||||
if (found) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
IPL_assert(found, "No virtio net device found");
|
||||
}
|
||||
|
||||
void main(void)
|
||||
{
|
||||
int rc;
|
||||
|
||||
sclp_setup();
|
||||
sclp_print("Network boot starting...\n");
|
||||
|
||||
virtio_setup();
|
||||
|
||||
rc = net_load(NULL, (long)_start);
|
||||
if (rc > 0) {
|
||||
sclp_print("Network loading done, starting kernel...\n");
|
||||
asm volatile (" lpsw 0(%0) " : : "r"(0) : "memory");
|
||||
}
|
||||
|
||||
panic("Failed to load OS from network\n");
|
||||
}
|
||||
|
|
@ -18,12 +18,6 @@ typedef unsigned short u16;
|
|||
typedef unsigned int u32;
|
||||
typedef unsigned long long u64;
|
||||
typedef unsigned long ulong;
|
||||
typedef long size_t;
|
||||
typedef int bool;
|
||||
typedef unsigned char uint8_t;
|
||||
typedef unsigned short uint16_t;
|
||||
typedef unsigned int uint32_t;
|
||||
typedef unsigned long long uint64_t;
|
||||
typedef unsigned char __u8;
|
||||
typedef unsigned short __u16;
|
||||
typedef unsigned int __u32;
|
||||
|
|
@ -50,6 +44,8 @@ typedef unsigned long long __u64;
|
|||
((b) == 0 ? (a) : (MIN(a, b))))
|
||||
#endif
|
||||
|
||||
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
|
||||
|
||||
#include "cio.h"
|
||||
#include "iplb.h"
|
||||
|
||||
|
|
@ -80,7 +76,7 @@ void sclp_get_loadparm_ascii(char *loadparm);
|
|||
unsigned long virtio_load_direct(ulong rec_list1, ulong rec_list2,
|
||||
ulong subchan_id, void *load_addr);
|
||||
bool virtio_is_supported(SubChannelId schid);
|
||||
void virtio_setup_device(SubChannelId schid);
|
||||
void virtio_blk_setup_device(SubChannelId schid);
|
||||
int virtio_read(ulong sector, void *load_addr);
|
||||
int enable_mss_facility(void);
|
||||
ulong get_second(void);
|
||||
|
|
@ -88,18 +84,6 @@ ulong get_second(void);
|
|||
/* bootmap.c */
|
||||
void zipl_load(void);
|
||||
|
||||
static inline void *memset(void *s, int c, size_t n)
|
||||
{
|
||||
int i;
|
||||
unsigned char *p = s;
|
||||
|
||||
for (i = 0; i < n; i++) {
|
||||
p[i] = c;
|
||||
}
|
||||
|
||||
return s;
|
||||
}
|
||||
|
||||
static inline void fill_hex(char *out, unsigned char val)
|
||||
{
|
||||
const char hex[] = "0123456789abcdef";
|
||||
|
|
@ -169,17 +153,6 @@ static inline void sleep(unsigned int seconds)
|
|||
}
|
||||
}
|
||||
|
||||
static inline void *memcpy(void *s1, const void *s2, size_t n)
|
||||
{
|
||||
uint8_t *p1 = s1;
|
||||
const uint8_t *p2 = s2;
|
||||
|
||||
while (n--) {
|
||||
p1[n] = p2[n];
|
||||
}
|
||||
return s1;
|
||||
}
|
||||
|
||||
static inline void IPL_assert(bool term, const char *message)
|
||||
{
|
||||
if (!term) {
|
||||
|
|
|
|||
|
|
@ -8,11 +8,25 @@
|
|||
* directory.
|
||||
*/
|
||||
|
||||
#include "libc.h"
|
||||
#include "s390-ccw.h"
|
||||
#include "sclp.h"
|
||||
|
||||
long write(int fd, const void *str, size_t len);
|
||||
|
||||
static char _sccb[PAGE_SIZE] __attribute__((__aligned__(4096)));
|
||||
|
||||
const unsigned char ebc2asc[256] =
|
||||
/* 0123456789abcdef0123456789abcdef */
|
||||
"................................" /* 1F */
|
||||
"................................" /* 3F */
|
||||
" ...........<(+|&.........!$*);." /* 5F first.chr.here.is.real.space */
|
||||
"-/.........,%_>?.........`:#@'=\""/* 7F */
|
||||
".abcdefghi.......jklmnopqr......" /* 9F */
|
||||
"..stuvwxyz......................" /* BF */
|
||||
".ABCDEFGHI.......JKLMNOPQR......" /* DF */
|
||||
"..STUVWXYZ......0123456789......";/* FF */
|
||||
|
||||
/* Perform service call. Return 0 on success, non-zero otherwise. */
|
||||
static int sclp_service_call(unsigned int command, void *sccb)
|
||||
{
|
||||
|
|
@ -59,26 +73,29 @@ static int _strlen(const char *str)
|
|||
return i;
|
||||
}
|
||||
|
||||
static void _memcpy(char *dest, const char *src, int len)
|
||||
long write(int fd, const void *str, size_t len)
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < len; i++)
|
||||
dest[i] = src[i];
|
||||
}
|
||||
|
||||
void sclp_print(const char *str)
|
||||
{
|
||||
int len = _strlen(str);
|
||||
WriteEventData *sccb = (void *)_sccb;
|
||||
|
||||
if (fd != 1 && fd != 2) {
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
sccb->h.length = sizeof(WriteEventData) + len;
|
||||
sccb->h.function_code = SCLP_FC_NORMAL_WRITE;
|
||||
sccb->ebh.length = sizeof(EventBufferHeader) + len;
|
||||
sccb->ebh.type = SCLP_EVENT_ASCII_CONSOLE_DATA;
|
||||
sccb->ebh.flags = 0;
|
||||
_memcpy(sccb->data, str, len);
|
||||
memcpy(sccb->data, str, len);
|
||||
|
||||
sclp_service_call(SCLP_CMD_WRITE_EVENT_DATA, sccb);
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
void sclp_print(const char *str)
|
||||
{
|
||||
write(1, str, _strlen(str));
|
||||
}
|
||||
|
||||
void sclp_get_loadparm_ascii(char *loadparm)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,296 @@
|
|||
/*
|
||||
* Virtio driver bits
|
||||
*
|
||||
* Copyright (c) 2013 Alexander Graf <agraf@suse.de>
|
||||
*
|
||||
* This work is licensed under the terms of the GNU GPL, version 2 or (at
|
||||
* your option) any later version. See the COPYING file in the top-level
|
||||
* directory.
|
||||
*/
|
||||
|
||||
#include "libc.h"
|
||||
#include "s390-ccw.h"
|
||||
#include "virtio.h"
|
||||
#include "virtio-scsi.h"
|
||||
|
||||
static int virtio_blk_read_many(VDev *vdev, ulong sector, void *load_addr,
|
||||
int sec_num)
|
||||
{
|
||||
VirtioBlkOuthdr out_hdr;
|
||||
u8 status;
|
||||
VRing *vr = &vdev->vrings[vdev->cmd_vr_idx];
|
||||
|
||||
/* Tell the host we want to read */
|
||||
out_hdr.type = VIRTIO_BLK_T_IN;
|
||||
out_hdr.ioprio = 99;
|
||||
out_hdr.sector = virtio_sector_adjust(sector);
|
||||
|
||||
vring_send_buf(vr, &out_hdr, sizeof(out_hdr), VRING_DESC_F_NEXT);
|
||||
|
||||
/* This is where we want to receive data */
|
||||
vring_send_buf(vr, load_addr, virtio_get_block_size() * sec_num,
|
||||
VRING_DESC_F_WRITE | VRING_HIDDEN_IS_CHAIN |
|
||||
VRING_DESC_F_NEXT);
|
||||
|
||||
/* status field */
|
||||
vring_send_buf(vr, &status, sizeof(u8),
|
||||
VRING_DESC_F_WRITE | VRING_HIDDEN_IS_CHAIN);
|
||||
|
||||
/* Now we can tell the host to read */
|
||||
vring_wait_reply();
|
||||
|
||||
if (drain_irqs(vr->schid)) {
|
||||
/* Well, whatever status is supposed to contain... */
|
||||
status = 1;
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
int virtio_read_many(ulong sector, void *load_addr, int sec_num)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return virtio_blk_read_many(vdev, sector, load_addr, sec_num);
|
||||
case VIRTIO_ID_SCSI:
|
||||
return virtio_scsi_read_many(vdev, sector, load_addr, sec_num);
|
||||
}
|
||||
panic("\n! No readable IPL device !\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
unsigned long virtio_load_direct(ulong rec_list1, ulong rec_list2,
|
||||
ulong subchan_id, void *load_addr)
|
||||
{
|
||||
u8 status;
|
||||
int sec = rec_list1;
|
||||
int sec_num = ((rec_list2 >> 32) & 0xffff) + 1;
|
||||
int sec_len = rec_list2 >> 48;
|
||||
ulong addr = (ulong)load_addr;
|
||||
|
||||
if (sec_len != virtio_get_block_size()) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
sclp_print(".");
|
||||
status = virtio_read_many(sec, (void *)addr, sec_num);
|
||||
if (status) {
|
||||
panic("I/O Error");
|
||||
}
|
||||
addr += sec_num * virtio_get_block_size();
|
||||
|
||||
return addr;
|
||||
}
|
||||
|
||||
int virtio_read(ulong sector, void *load_addr)
|
||||
{
|
||||
return virtio_read_many(sector, load_addr, 1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Other supported value pairs, if any, would need to be added here.
|
||||
* Note: head count is always 15.
|
||||
*/
|
||||
static inline u8 virtio_eckd_sectors_for_block_size(int size)
|
||||
{
|
||||
switch (size) {
|
||||
case 512:
|
||||
return 49;
|
||||
case 1024:
|
||||
return 33;
|
||||
case 2048:
|
||||
return 21;
|
||||
case 4096:
|
||||
return 12;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
VirtioGDN virtio_guessed_disk_nature(void)
|
||||
{
|
||||
return virtio_get_device()->guessed_disk_nature;
|
||||
}
|
||||
|
||||
void virtio_assume_scsi(void)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
vdev->guessed_disk_nature = VIRTIO_GDN_SCSI;
|
||||
vdev->config.blk.blk_size = VIRTIO_SCSI_BLOCK_SIZE;
|
||||
vdev->config.blk.physical_block_exp = 0;
|
||||
vdev->blk_factor = 1;
|
||||
break;
|
||||
case VIRTIO_ID_SCSI:
|
||||
vdev->scsi_block_size = VIRTIO_SCSI_BLOCK_SIZE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void virtio_assume_iso9660(void)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
vdev->guessed_disk_nature = VIRTIO_GDN_SCSI;
|
||||
vdev->config.blk.blk_size = VIRTIO_ISO_BLOCK_SIZE;
|
||||
vdev->config.blk.physical_block_exp = 0;
|
||||
vdev->blk_factor = VIRTIO_ISO_BLOCK_SIZE / VIRTIO_SECTOR_SIZE;
|
||||
break;
|
||||
case VIRTIO_ID_SCSI:
|
||||
vdev->scsi_block_size = VIRTIO_ISO_BLOCK_SIZE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void virtio_assume_eckd(void)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
|
||||
vdev->guessed_disk_nature = VIRTIO_GDN_DASD;
|
||||
vdev->blk_factor = 1;
|
||||
vdev->config.blk.physical_block_exp = 0;
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
vdev->config.blk.blk_size = 4096;
|
||||
break;
|
||||
case VIRTIO_ID_SCSI:
|
||||
vdev->config.blk.blk_size = vdev->scsi_block_size;
|
||||
break;
|
||||
}
|
||||
vdev->config.blk.geometry.heads = 15;
|
||||
vdev->config.blk.geometry.sectors =
|
||||
virtio_eckd_sectors_for_block_size(vdev->config.blk.blk_size);
|
||||
}
|
||||
|
||||
bool virtio_disk_is_scsi(void)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
|
||||
if (vdev->guessed_disk_nature == VIRTIO_GDN_SCSI) {
|
||||
return true;
|
||||
}
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return (vdev->config.blk.geometry.heads == 255)
|
||||
&& (vdev->config.blk.geometry.sectors == 63)
|
||||
&& (virtio_get_block_size() == VIRTIO_SCSI_BLOCK_SIZE);
|
||||
case VIRTIO_ID_SCSI:
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool virtio_disk_is_eckd(void)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
const int block_size = virtio_get_block_size();
|
||||
|
||||
if (vdev->guessed_disk_nature == VIRTIO_GDN_DASD) {
|
||||
return true;
|
||||
}
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return (vdev->config.blk.geometry.heads == 15)
|
||||
&& (vdev->config.blk.geometry.sectors ==
|
||||
virtio_eckd_sectors_for_block_size(block_size));
|
||||
case VIRTIO_ID_SCSI:
|
||||
return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool virtio_ipl_disk_is_valid(void)
|
||||
{
|
||||
return virtio_disk_is_scsi() || virtio_disk_is_eckd();
|
||||
}
|
||||
|
||||
int virtio_get_block_size(void)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return vdev->config.blk.blk_size << vdev->config.blk.physical_block_exp;
|
||||
case VIRTIO_ID_SCSI:
|
||||
return vdev->scsi_block_size;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
uint8_t virtio_get_heads(void)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return vdev->config.blk.geometry.heads;
|
||||
case VIRTIO_ID_SCSI:
|
||||
return vdev->guessed_disk_nature == VIRTIO_GDN_DASD
|
||||
? vdev->config.blk.geometry.heads : 255;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
uint8_t virtio_get_sectors(void)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return vdev->config.blk.geometry.sectors;
|
||||
case VIRTIO_ID_SCSI:
|
||||
return vdev->guessed_disk_nature == VIRTIO_GDN_DASD
|
||||
? vdev->config.blk.geometry.sectors : 63;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
uint64_t virtio_get_blocks(void)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
const uint64_t factor = virtio_get_block_size() / VIRTIO_SECTOR_SIZE;
|
||||
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return vdev->config.blk.capacity / factor;
|
||||
case VIRTIO_ID_SCSI:
|
||||
return vdev->scsi_last_block / factor;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void virtio_blk_setup_device(SubChannelId schid)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
|
||||
vdev->schid = schid;
|
||||
virtio_setup_ccw(vdev);
|
||||
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
sclp_print("Using virtio-blk.\n");
|
||||
if (!virtio_ipl_disk_is_valid()) {
|
||||
/* make sure all getters but blocksize return 0 for
|
||||
* invalid IPL disk
|
||||
*/
|
||||
memset(&vdev->config.blk, 0, sizeof(vdev->config.blk));
|
||||
virtio_assume_scsi();
|
||||
}
|
||||
break;
|
||||
case VIRTIO_ID_SCSI:
|
||||
IPL_assert(vdev->config.scsi.sense_size == VIRTIO_SCSI_SENSE_SIZE,
|
||||
"Config: sense size mismatch");
|
||||
IPL_assert(vdev->config.scsi.cdb_size == VIRTIO_SCSI_CDB_SIZE,
|
||||
"Config: CDB size mismatch");
|
||||
|
||||
sclp_print("Using virtio-scsi.\n");
|
||||
virtio_scsi_setup(vdev);
|
||||
break;
|
||||
default:
|
||||
panic("\n! No IPL device available !\n");
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,135 @@
|
|||
/*
|
||||
* Virtio-net driver for the s390-ccw firmware
|
||||
*
|
||||
* Copyright 2017 Thomas Huth, Red Hat Inc.
|
||||
*
|
||||
* This code is free software; you can redistribute it and/or modify it
|
||||
* under the terms of the GNU General Public License as published by the
|
||||
* Free Software Foundation; either version 2 of the License, or (at your
|
||||
* option) any later version.
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/socket.h>
|
||||
#include <ethernet.h>
|
||||
#include "s390-ccw.h"
|
||||
#include "virtio.h"
|
||||
|
||||
#ifndef DEBUG_VIRTIO_NET
|
||||
#define DEBUG_VIRTIO_NET 0
|
||||
#endif
|
||||
|
||||
#define VIRTIO_NET_F_MAC_BIT (1 << 5)
|
||||
|
||||
#define VQ_RX 0 /* Receive queue */
|
||||
#define VQ_TX 1 /* Transmit queue */
|
||||
|
||||
struct VirtioNetHdr {
|
||||
uint8_t flags;
|
||||
uint8_t gso_type;
|
||||
uint16_t hdr_len;
|
||||
uint16_t gso_size;
|
||||
uint16_t csum_start;
|
||||
uint16_t csum_offset;
|
||||
/*uint16_t num_buffers;*/ /* Only with VIRTIO_NET_F_MRG_RXBUF or VIRTIO1 */
|
||||
};
|
||||
typedef struct VirtioNetHdr VirtioNetHdr;
|
||||
|
||||
static uint16_t rx_last_idx; /* Last index in receive queue "used" ring */
|
||||
|
||||
int virtio_net_init(void *mac_addr)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
VRing *rxvq = &vdev->vrings[VQ_RX];
|
||||
void *buf;
|
||||
int i;
|
||||
|
||||
vdev->guest_features[0] = VIRTIO_NET_F_MAC_BIT;
|
||||
virtio_setup_ccw(vdev);
|
||||
|
||||
IPL_assert(vdev->guest_features[0] & VIRTIO_NET_F_MAC_BIT,
|
||||
"virtio-net device does not support the MAC address feature");
|
||||
memcpy(mac_addr, vdev->config.net.mac, ETH_ALEN);
|
||||
|
||||
for (i = 0; i < 64; i++) {
|
||||
buf = malloc(ETH_MTU_SIZE + sizeof(VirtioNetHdr));
|
||||
IPL_assert(buf != NULL, "Can not allocate memory for receive buffers");
|
||||
vring_send_buf(rxvq, buf, ETH_MTU_SIZE + sizeof(VirtioNetHdr),
|
||||
VRING_DESC_F_WRITE);
|
||||
}
|
||||
vring_notify(rxvq);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int send(int fd, const void *buf, int len, int flags)
|
||||
{
|
||||
VirtioNetHdr tx_hdr;
|
||||
VDev *vdev = virtio_get_device();
|
||||
VRing *txvq = &vdev->vrings[VQ_TX];
|
||||
|
||||
/* Set up header - we do not use anything special, so simply clear it */
|
||||
memset(&tx_hdr, 0, sizeof(tx_hdr));
|
||||
|
||||
vring_send_buf(txvq, &tx_hdr, sizeof(tx_hdr), VRING_DESC_F_NEXT);
|
||||
vring_send_buf(txvq, (void *)buf, len, VRING_HIDDEN_IS_CHAIN);
|
||||
while (!vr_poll(txvq)) {
|
||||
yield();
|
||||
}
|
||||
if (drain_irqs(txvq->schid)) {
|
||||
puts("send: drain irqs failed");
|
||||
return -1;
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
int recv(int fd, void *buf, int maxlen, int flags)
|
||||
{
|
||||
VDev *vdev = virtio_get_device();
|
||||
VRing *rxvq = &vdev->vrings[VQ_RX];
|
||||
int len, id;
|
||||
uint8_t *pkt;
|
||||
|
||||
if (rx_last_idx == rxvq->used->idx) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
len = rxvq->used->ring[rx_last_idx % rxvq->num].len - sizeof(VirtioNetHdr);
|
||||
if (len > maxlen) {
|
||||
puts("virtio-net: Receive buffer too small");
|
||||
len = maxlen;
|
||||
}
|
||||
id = rxvq->used->ring[rx_last_idx % rxvq->num].id % rxvq->num;
|
||||
pkt = (uint8_t *)(rxvq->desc[id].addr + sizeof(VirtioNetHdr));
|
||||
|
||||
#if DEBUG_VIRTIO_NET /* Dump packet */
|
||||
int i;
|
||||
printf("\nbuf %p: len=%i\n", (void *)rxvq->desc[id].addr, len);
|
||||
for (i = 0; i < 64; i++) {
|
||||
printf(" %02x", pkt[i]);
|
||||
if ((i % 16) == 15) {
|
||||
printf("\n");
|
||||
}
|
||||
}
|
||||
printf("\n");
|
||||
#endif
|
||||
|
||||
/* Copy data to destination buffer */
|
||||
memcpy(buf, pkt, len);
|
||||
|
||||
/* Mark buffer as available to the host again */
|
||||
rxvq->avail->ring[rxvq->avail->idx % rxvq->num] = id;
|
||||
rxvq->avail->idx = rxvq->avail->idx + 1;
|
||||
vring_notify(rxvq);
|
||||
|
||||
/* Move index to next entry */
|
||||
rx_last_idx = rx_last_idx + 1;
|
||||
|
||||
return len;
|
||||
}
|
||||
|
|
@ -9,6 +9,7 @@
|
|||
* directory.
|
||||
*/
|
||||
|
||||
#include "libc.h"
|
||||
#include "s390-ccw.h"
|
||||
#include "virtio.h"
|
||||
#include "scsi.h"
|
||||
|
|
|
|||
|
|
@ -8,9 +8,11 @@
|
|||
* directory.
|
||||
*/
|
||||
|
||||
#include "libc.h"
|
||||
#include "s390-ccw.h"
|
||||
#include "virtio.h"
|
||||
#include "virtio-scsi.h"
|
||||
#include "bswap.h"
|
||||
|
||||
#define VRING_WAIT_REPLY_TIMEOUT 3
|
||||
|
||||
|
|
@ -69,7 +71,7 @@ static long virtio_notify(SubChannelId schid, int vq_idx, long cookie)
|
|||
* Virtio functions *
|
||||
***********************************************/
|
||||
|
||||
static int drain_irqs(SubChannelId schid)
|
||||
int drain_irqs(SubChannelId schid)
|
||||
{
|
||||
Irb irb = {};
|
||||
int r = 0;
|
||||
|
|
@ -148,13 +150,13 @@ static void vring_init(VRing *vr, VqInfo *info)
|
|||
debug_print_addr("init vr", vr);
|
||||
}
|
||||
|
||||
static bool vring_notify(VRing *vr)
|
||||
bool vring_notify(VRing *vr)
|
||||
{
|
||||
vr->cookie = virtio_notify(vr->schid, vr->id, vr->cookie);
|
||||
return vr->cookie >= 0;
|
||||
}
|
||||
|
||||
static void vring_send_buf(VRing *vr, void *p, int len, int flags)
|
||||
void vring_send_buf(VRing *vr, void *p, int len, int flags)
|
||||
{
|
||||
/* For follow-up chains we need to keep the first entry point */
|
||||
if (!(flags & VRING_HIDDEN_IS_CHAIN)) {
|
||||
|
|
@ -187,7 +189,7 @@ ulong get_second(void)
|
|||
return (get_clock() >> 12) / 1000000;
|
||||
}
|
||||
|
||||
static int vr_poll(VRing *vr)
|
||||
int vr_poll(VRing *vr)
|
||||
{
|
||||
if (vr->used->idx == vr->used_idx) {
|
||||
vring_notify(vr);
|
||||
|
|
@ -209,7 +211,7 @@ static int vr_poll(VRing *vr)
|
|||
*
|
||||
* Returns 0 on success, 1 on timeout.
|
||||
*/
|
||||
static int vring_wait_reply(void)
|
||||
int vring_wait_reply(void)
|
||||
{
|
||||
ulong target_second = get_second() + vdev.wait_reply_timeout;
|
||||
|
||||
|
|
@ -246,245 +248,14 @@ int virtio_run(VDev *vdev, int vqid, VirtioCmd *cmd)
|
|||
return 0;
|
||||
}
|
||||
|
||||
/***********************************************
|
||||
* Virtio block *
|
||||
***********************************************/
|
||||
|
||||
static int virtio_blk_read_many(VDev *vdev,
|
||||
ulong sector, void *load_addr, int sec_num)
|
||||
void virtio_setup_ccw(VDev *vdev)
|
||||
{
|
||||
VirtioBlkOuthdr out_hdr;
|
||||
u8 status;
|
||||
VRing *vr = &vdev->vrings[vdev->cmd_vr_idx];
|
||||
|
||||
/* Tell the host we want to read */
|
||||
out_hdr.type = VIRTIO_BLK_T_IN;
|
||||
out_hdr.ioprio = 99;
|
||||
out_hdr.sector = virtio_sector_adjust(sector);
|
||||
|
||||
vring_send_buf(vr, &out_hdr, sizeof(out_hdr), VRING_DESC_F_NEXT);
|
||||
|
||||
/* This is where we want to receive data */
|
||||
vring_send_buf(vr, load_addr, virtio_get_block_size() * sec_num,
|
||||
VRING_DESC_F_WRITE | VRING_HIDDEN_IS_CHAIN |
|
||||
VRING_DESC_F_NEXT);
|
||||
|
||||
/* status field */
|
||||
vring_send_buf(vr, &status, sizeof(u8),
|
||||
VRING_DESC_F_WRITE | VRING_HIDDEN_IS_CHAIN);
|
||||
|
||||
/* Now we can tell the host to read */
|
||||
vring_wait_reply();
|
||||
|
||||
if (drain_irqs(vr->schid)) {
|
||||
/* Well, whatever status is supposed to contain... */
|
||||
status = 1;
|
||||
}
|
||||
return status;
|
||||
}
|
||||
|
||||
int virtio_read_many(ulong sector, void *load_addr, int sec_num)
|
||||
{
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return virtio_blk_read_many(&vdev, sector, load_addr, sec_num);
|
||||
case VIRTIO_ID_SCSI:
|
||||
return virtio_scsi_read_many(&vdev, sector, load_addr, sec_num);
|
||||
}
|
||||
panic("\n! No readable IPL device !\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
unsigned long virtio_load_direct(ulong rec_list1, ulong rec_list2,
|
||||
ulong subchan_id, void *load_addr)
|
||||
{
|
||||
u8 status;
|
||||
int sec = rec_list1;
|
||||
int sec_num = ((rec_list2 >> 32) & 0xffff) + 1;
|
||||
int sec_len = rec_list2 >> 48;
|
||||
ulong addr = (ulong)load_addr;
|
||||
|
||||
if (sec_len != virtio_get_block_size()) {
|
||||
return -1;
|
||||
}
|
||||
|
||||
sclp_print(".");
|
||||
status = virtio_read_many(sec, (void *)addr, sec_num);
|
||||
if (status) {
|
||||
panic("I/O Error");
|
||||
}
|
||||
addr += sec_num * virtio_get_block_size();
|
||||
|
||||
return addr;
|
||||
}
|
||||
|
||||
int virtio_read(ulong sector, void *load_addr)
|
||||
{
|
||||
return virtio_read_many(sector, load_addr, 1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Other supported value pairs, if any, would need to be added here.
|
||||
* Note: head count is always 15.
|
||||
*/
|
||||
static inline u8 virtio_eckd_sectors_for_block_size(int size)
|
||||
{
|
||||
switch (size) {
|
||||
case 512:
|
||||
return 49;
|
||||
case 1024:
|
||||
return 33;
|
||||
case 2048:
|
||||
return 21;
|
||||
case 4096:
|
||||
return 12;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
VirtioGDN virtio_guessed_disk_nature(void)
|
||||
{
|
||||
return vdev.guessed_disk_nature;
|
||||
}
|
||||
|
||||
void virtio_assume_scsi(void)
|
||||
{
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
vdev.guessed_disk_nature = VIRTIO_GDN_SCSI;
|
||||
vdev.config.blk.blk_size = VIRTIO_SCSI_BLOCK_SIZE;
|
||||
vdev.config.blk.physical_block_exp = 0;
|
||||
vdev.blk_factor = 1;
|
||||
break;
|
||||
case VIRTIO_ID_SCSI:
|
||||
vdev.scsi_block_size = VIRTIO_SCSI_BLOCK_SIZE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void virtio_assume_iso9660(void)
|
||||
{
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
vdev.guessed_disk_nature = VIRTIO_GDN_SCSI;
|
||||
vdev.config.blk.blk_size = VIRTIO_ISO_BLOCK_SIZE;
|
||||
vdev.config.blk.physical_block_exp = 0;
|
||||
vdev.blk_factor = VIRTIO_ISO_BLOCK_SIZE / VIRTIO_SECTOR_SIZE;
|
||||
break;
|
||||
case VIRTIO_ID_SCSI:
|
||||
vdev.scsi_block_size = VIRTIO_ISO_BLOCK_SIZE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
void virtio_assume_eckd(void)
|
||||
{
|
||||
vdev.guessed_disk_nature = VIRTIO_GDN_DASD;
|
||||
vdev.blk_factor = 1;
|
||||
vdev.config.blk.physical_block_exp = 0;
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
vdev.config.blk.blk_size = 4096;
|
||||
break;
|
||||
case VIRTIO_ID_SCSI:
|
||||
vdev.config.blk.blk_size = vdev.scsi_block_size;
|
||||
break;
|
||||
}
|
||||
vdev.config.blk.geometry.heads = 15;
|
||||
vdev.config.blk.geometry.sectors =
|
||||
virtio_eckd_sectors_for_block_size(vdev.config.blk.blk_size);
|
||||
}
|
||||
|
||||
bool virtio_disk_is_scsi(void)
|
||||
{
|
||||
if (vdev.guessed_disk_nature == VIRTIO_GDN_SCSI) {
|
||||
return true;
|
||||
}
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return (vdev.config.blk.geometry.heads == 255)
|
||||
&& (vdev.config.blk.geometry.sectors == 63)
|
||||
&& (virtio_get_block_size() == VIRTIO_SCSI_BLOCK_SIZE);
|
||||
case VIRTIO_ID_SCSI:
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool virtio_disk_is_eckd(void)
|
||||
{
|
||||
const int block_size = virtio_get_block_size();
|
||||
|
||||
if (vdev.guessed_disk_nature == VIRTIO_GDN_DASD) {
|
||||
return true;
|
||||
}
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return (vdev.config.blk.geometry.heads == 15)
|
||||
&& (vdev.config.blk.geometry.sectors ==
|
||||
virtio_eckd_sectors_for_block_size(block_size));
|
||||
case VIRTIO_ID_SCSI:
|
||||
return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
bool virtio_ipl_disk_is_valid(void)
|
||||
{
|
||||
return virtio_disk_is_scsi() || virtio_disk_is_eckd();
|
||||
}
|
||||
|
||||
int virtio_get_block_size(void)
|
||||
{
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return vdev.config.blk.blk_size << vdev.config.blk.physical_block_exp;
|
||||
case VIRTIO_ID_SCSI:
|
||||
return vdev.scsi_block_size;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
uint8_t virtio_get_heads(void)
|
||||
{
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return vdev.config.blk.geometry.heads;
|
||||
case VIRTIO_ID_SCSI:
|
||||
return vdev.guessed_disk_nature == VIRTIO_GDN_DASD
|
||||
? vdev.config.blk.geometry.heads : 255;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
uint8_t virtio_get_sectors(void)
|
||||
{
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return vdev.config.blk.geometry.sectors;
|
||||
case VIRTIO_ID_SCSI:
|
||||
return vdev.guessed_disk_nature == VIRTIO_GDN_DASD
|
||||
? vdev.config.blk.geometry.sectors : 63;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
uint64_t virtio_get_blocks(void)
|
||||
{
|
||||
const uint64_t factor = virtio_get_block_size() / VIRTIO_SECTOR_SIZE;
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
return vdev.config.blk.capacity / factor;
|
||||
case VIRTIO_ID_SCSI:
|
||||
return vdev.scsi_last_block / factor;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void virtio_setup_ccw(VDev *vdev)
|
||||
{
|
||||
int i, cfg_size = 0;
|
||||
int i, rc, cfg_size = 0;
|
||||
unsigned char status = VIRTIO_CONFIG_S_DRIVER_OK;
|
||||
struct VirtioFeatureDesc {
|
||||
uint32_t features;
|
||||
uint8_t index;
|
||||
} __attribute__((packed)) feats;
|
||||
|
||||
IPL_assert(virtio_is_supported(vdev->schid), "PE");
|
||||
/* device ID has been established now */
|
||||
|
|
@ -495,6 +266,11 @@ static void virtio_setup_ccw(VDev *vdev)
|
|||
run_ccw(vdev, CCW_CMD_VDEV_RESET, NULL, 0);
|
||||
|
||||
switch (vdev->senseid.cu_model) {
|
||||
case VIRTIO_ID_NET:
|
||||
vdev->nr_vqs = 2;
|
||||
vdev->cmd_vr_idx = 0;
|
||||
cfg_size = sizeof(vdev->config.net);
|
||||
break;
|
||||
case VIRTIO_ID_BLOCK:
|
||||
vdev->nr_vqs = 1;
|
||||
vdev->cmd_vr_idx = 0;
|
||||
|
|
@ -511,11 +287,17 @@ static void virtio_setup_ccw(VDev *vdev)
|
|||
IPL_assert(run_ccw(vdev, CCW_CMD_READ_CONF, &vdev->config, cfg_size) == 0,
|
||||
"Could not get block device configuration");
|
||||
|
||||
/*
|
||||
* Skipping CCW_CMD_READ_FEAT. We're not doing anything fancy, and
|
||||
* we'll just stop dead anyway if anything does not work like we
|
||||
* expect it.
|
||||
*/
|
||||
/* Feature negotiation */
|
||||
for (i = 0; i < ARRAY_SIZE(vdev->guest_features); i++) {
|
||||
feats.features = 0;
|
||||
feats.index = i;
|
||||
rc = run_ccw(vdev, CCW_CMD_READ_FEAT, &feats, sizeof(feats));
|
||||
IPL_assert(rc == 0, "Could not get features bits");
|
||||
vdev->guest_features[i] &= bswap32(feats.features);
|
||||
feats.features = bswap32(vdev->guest_features[i]);
|
||||
rc = run_ccw(vdev, CCW_CMD_WRITE_FEAT, &feats, sizeof(feats));
|
||||
IPL_assert(rc == 0, "Could not set features bits");
|
||||
}
|
||||
|
||||
for (i = 0; i < vdev->nr_vqs; i++) {
|
||||
VqInfo info = {
|
||||
|
|
@ -543,36 +325,6 @@ static void virtio_setup_ccw(VDev *vdev)
|
|||
"Could not write status to host");
|
||||
}
|
||||
|
||||
void virtio_setup_device(SubChannelId schid)
|
||||
{
|
||||
vdev.schid = schid;
|
||||
virtio_setup_ccw(&vdev);
|
||||
|
||||
switch (vdev.senseid.cu_model) {
|
||||
case VIRTIO_ID_BLOCK:
|
||||
sclp_print("Using virtio-blk.\n");
|
||||
if (!virtio_ipl_disk_is_valid()) {
|
||||
/* make sure all getters but blocksize return 0 for
|
||||
* invalid IPL disk
|
||||
*/
|
||||
memset(&vdev.config.blk, 0, sizeof(vdev.config.blk));
|
||||
virtio_assume_scsi();
|
||||
}
|
||||
break;
|
||||
case VIRTIO_ID_SCSI:
|
||||
IPL_assert(vdev.config.scsi.sense_size == VIRTIO_SCSI_SENSE_SIZE,
|
||||
"Config: sense size mismatch");
|
||||
IPL_assert(vdev.config.scsi.cdb_size == VIRTIO_SCSI_CDB_SIZE,
|
||||
"Config: CDB size mismatch");
|
||||
|
||||
sclp_print("Using virtio-scsi.\n");
|
||||
virtio_scsi_setup(&vdev);
|
||||
break;
|
||||
default:
|
||||
panic("\n! No IPL device available !\n");
|
||||
}
|
||||
}
|
||||
|
||||
bool virtio_is_supported(SubChannelId schid)
|
||||
{
|
||||
vdev.schid = schid;
|
||||
|
|
|
|||
|
|
@ -11,8 +11,6 @@
|
|||
#ifndef VIRTIO_H
|
||||
#define VIRTIO_H
|
||||
|
||||
#include "s390-ccw.h"
|
||||
|
||||
/* Status byte for guest to report progress, and synchronize features. */
|
||||
/* We have seen device and processed generic fields (VIRTIO_CONFIG_F_VIRTIO) */
|
||||
#define VIRTIO_CONFIG_S_ACKNOWLEDGE 1
|
||||
|
|
@ -32,24 +30,6 @@ enum VirtioDevType {
|
|||
};
|
||||
typedef enum VirtioDevType VirtioDevType;
|
||||
|
||||
struct VirtioDevHeader {
|
||||
VirtioDevType type:8;
|
||||
uint8_t num_vq;
|
||||
uint8_t feature_len;
|
||||
uint8_t config_len;
|
||||
uint8_t status;
|
||||
uint8_t vqconfig[];
|
||||
} __attribute__((packed));
|
||||
typedef struct VirtioDevHeader VirtioDevHeader;
|
||||
|
||||
struct VirtioVqConfig {
|
||||
uint64_t token;
|
||||
uint64_t address;
|
||||
uint16_t num;
|
||||
uint8_t pad[6];
|
||||
} __attribute__((packed));
|
||||
typedef struct VirtioVqConfig VirtioVqConfig;
|
||||
|
||||
struct VqInfo {
|
||||
uint64_t queue;
|
||||
uint32_t align;
|
||||
|
|
@ -64,15 +44,6 @@ struct VqConfig {
|
|||
} __attribute__((packed));
|
||||
typedef struct VqConfig VqConfig;
|
||||
|
||||
struct VirtioDev {
|
||||
VirtioDevHeader *header;
|
||||
VirtioVqConfig *vqconfig;
|
||||
char *host_features;
|
||||
char *guest_features;
|
||||
char *config;
|
||||
};
|
||||
typedef struct VirtioDev VirtioDev;
|
||||
|
||||
#define VIRTIO_RING_SIZE (PAGE_SIZE * 8)
|
||||
#define VIRTIO_MAX_VQS 3
|
||||
#define KVM_S390_VIRTIO_RING_ALIGN 4096
|
||||
|
|
@ -254,6 +225,13 @@ struct ScsiDevice {
|
|||
};
|
||||
typedef struct ScsiDevice ScsiDevice;
|
||||
|
||||
struct VirtioNetConfig {
|
||||
uint8_t mac[6];
|
||||
/* uint16_t status; */ /* Only with VIRTIO_NET_F_STATUS */
|
||||
/* uint16_t max_virtqueue_pairs; */ /* Only with VIRTIO_NET_F_MQ */
|
||||
};
|
||||
typedef struct VirtioNetConfig VirtioNetConfig;
|
||||
|
||||
struct VDev {
|
||||
int nr_vqs;
|
||||
VRing *vrings;
|
||||
|
|
@ -266,6 +244,7 @@ struct VDev {
|
|||
union {
|
||||
VirtioBlkConfig blk;
|
||||
VirtioScsiConfig scsi;
|
||||
VirtioNetConfig net;
|
||||
} config;
|
||||
ScsiDevice *scsi_device;
|
||||
bool is_cdrom;
|
||||
|
|
@ -278,6 +257,7 @@ struct VDev {
|
|||
ScsiDevice selected_scsi_device;
|
||||
uint64_t netboot_start_addr;
|
||||
uint32_t max_transfer;
|
||||
uint32_t guest_features[2];
|
||||
};
|
||||
typedef struct VDev VDev;
|
||||
|
||||
|
|
@ -291,6 +271,14 @@ struct VirtioCmd {
|
|||
};
|
||||
typedef struct VirtioCmd VirtioCmd;
|
||||
|
||||
bool vring_notify(VRing *vr);
|
||||
int drain_irqs(SubChannelId schid);
|
||||
void vring_send_buf(VRing *vr, void *p, int len, int flags);
|
||||
int vr_poll(VRing *vr);
|
||||
int vring_wait_reply(void);
|
||||
int virtio_run(VDev *vdev, int vqid, VirtioCmd *cmd);
|
||||
void virtio_setup_ccw(VDev *vdev);
|
||||
|
||||
int virtio_net_init(void *mac_addr);
|
||||
|
||||
#endif /* VIRTIO_H */
|
||||
|
|
|
|||
Binary file not shown.
|
|
@ -1 +1 @@
|
|||
Subproject commit 66d250ef0fd06bb88b7399b9563b5008201f2d63
|
||||
Subproject commit 834113a1c67d6fb53dea153c3313d182238f2d36
|
||||
|
|
@ -57,6 +57,12 @@ struct S390xElfVregsHiStruct {
|
|||
|
||||
typedef struct S390xElfVregsHiStruct S390xElfVregsHi;
|
||||
|
||||
struct S390xElfGSCBStruct {
|
||||
uint64_t gsregs[4];
|
||||
} QEMU_PACKED;
|
||||
|
||||
typedef struct S390xElfGSCBStruct S390xElfGSCB;
|
||||
|
||||
typedef struct noteStruct {
|
||||
Elf64_Nhdr hdr;
|
||||
char name[8];
|
||||
|
|
@ -65,6 +71,7 @@ typedef struct noteStruct {
|
|||
S390xElfFpregset fpregset;
|
||||
S390xElfVregsLo vregslo;
|
||||
S390xElfVregsHi vregshi;
|
||||
S390xElfGSCB gscb;
|
||||
uint32_t prefix;
|
||||
uint64_t timer;
|
||||
uint64_t todcmp;
|
||||
|
|
@ -126,6 +133,16 @@ static void s390x_write_elf64_vregshi(Note *note, S390CPU *cpu, int id)
|
|||
}
|
||||
}
|
||||
|
||||
static void s390x_write_elf64_gscb(Note *note, S390CPU *cpu, int id)
|
||||
{
|
||||
int i;
|
||||
|
||||
note->hdr.n_type = cpu_to_be32(NT_S390_GS_CB);
|
||||
for (i = 0; i < 4; i++) {
|
||||
note->contents.gscb.gsregs[i] = cpu_to_be64(cpu->env.gscb[i]);
|
||||
}
|
||||
}
|
||||
|
||||
static void s390x_write_elf64_timer(Note *note, S390CPU *cpu, int id)
|
||||
{
|
||||
note->hdr.n_type = cpu_to_be32(NT_S390_TIMER);
|
||||
|
|
@ -181,6 +198,7 @@ static const NoteFuncDesc note_linux[] = {
|
|||
{sizeof(((Note *)0)->contents.todpreg), s390x_write_elf64_todpreg},
|
||||
{sizeof(((Note *)0)->contents.vregslo), s390x_write_elf64_vregslo},
|
||||
{sizeof(((Note *)0)->contents.vregshi), s390x_write_elf64_vregshi},
|
||||
{sizeof(((Note *)0)->contents.gscb), s390x_write_elf64_gscb},
|
||||
{ 0, NULL}
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -89,6 +89,7 @@ typedef struct CPUS390XState {
|
|||
CPU_DoubleU vregs[32][2]; /* vector registers */
|
||||
uint32_t aregs[16]; /* access registers */
|
||||
uint8_t riccb[64]; /* runtime instrumentation control */
|
||||
uint64_t gscb[4]; /* guarded storage control */
|
||||
|
||||
/* Fields up to this point are not cleared by initial CPU reset */
|
||||
struct {} start_initial_reset_fields;
|
||||
|
|
@ -1158,6 +1159,7 @@ int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch,
|
|||
int vq, bool assign);
|
||||
int kvm_s390_cpu_restart(S390CPU *cpu);
|
||||
int kvm_s390_get_memslot_count(KVMState *s);
|
||||
int kvm_s390_cmma_active(void);
|
||||
void kvm_s390_cmma_reset(void);
|
||||
int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state);
|
||||
void kvm_s390_reset_vcpu(S390CPU *cpu);
|
||||
|
|
@ -1165,6 +1167,7 @@ int kvm_s390_set_mem_limit(KVMState *s, uint64_t new_limit, uint64_t *hw_limit);
|
|||
void kvm_s390_vcpu_interrupt_pre_save(S390CPU *cpu);
|
||||
int kvm_s390_vcpu_interrupt_post_load(S390CPU *cpu);
|
||||
int kvm_s390_get_ri(void);
|
||||
int kvm_s390_get_gs(void);
|
||||
void kvm_s390_crypto_reset(void);
|
||||
#else
|
||||
static inline void kvm_s390_io_interrupt(uint16_t subchannel_id,
|
||||
|
|
@ -1219,6 +1222,10 @@ static inline int kvm_s390_get_ri(void)
|
|||
{
|
||||
return 0;
|
||||
}
|
||||
static inline int kvm_s390_get_gs(void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
static inline void kvm_s390_crypto_reset(void)
|
||||
{
|
||||
}
|
||||
|
|
@ -1327,6 +1334,7 @@ static inline bool s390_get_squash_mcss(void)
|
|||
#define MCIC_VB_CR 0x0000000400000000ULL
|
||||
#define MCIC_VB_ST 0x0000000100000000ULL
|
||||
#define MCIC_VB_AR 0x0000000040000000ULL
|
||||
#define MCIC_VB_GS 0x0000000008000000ULL
|
||||
#define MCIC_VB_PR 0x0000000000200000ULL
|
||||
#define MCIC_VB_FC 0x0000000000100000ULL
|
||||
#define MCIC_VB_CT 0x0000000000020000ULL
|
||||
|
|
|
|||
|
|
@ -59,6 +59,7 @@ static const S390FeatDef s390_features[] = {
|
|||
FEAT_INIT("exrl", S390_FEAT_TYPE_STFL, 35, "Execute-extensions facility"),
|
||||
FEAT_INIT("emon", S390_FEAT_TYPE_STFL, 36, "Enhanced-monitor facility"),
|
||||
FEAT_INIT("fpe", S390_FEAT_TYPE_STFL, 37, "Floating-point extension facility"),
|
||||
FEAT_INIT("opc", S390_FEAT_TYPE_STFL, 38, "Order Preserving Compression facility"),
|
||||
FEAT_INIT("sprogp", S390_FEAT_TYPE_STFL, 40, "Set-program-parameters facility"),
|
||||
FEAT_INIT("fpseh", S390_FEAT_TYPE_STFL, 41, "Floating-point-support-enhancement facilities"),
|
||||
FEAT_INIT("dfp", S390_FEAT_TYPE_STFL, 42, "DFP (decimal-floating-point) facility"),
|
||||
|
|
@ -72,8 +73,15 @@ static const S390FeatDef s390_features[] = {
|
|||
FEAT_INIT("ltlbc", S390_FEAT_TYPE_STFL, 51, "Local-TLB-clearing facility"),
|
||||
FEAT_INIT("iacc2", S390_FEAT_TYPE_STFL, 52, "Interlocked-access facility 2"),
|
||||
FEAT_INIT("stfle53", S390_FEAT_TYPE_STFL, 53, "Various facilities introduced with z13"),
|
||||
FEAT_INIT("eec", S390_FEAT_TYPE_STFL, 54, "Entropy encoding compression facility"),
|
||||
FEAT_INIT("msa5-base", S390_FEAT_TYPE_STFL, 57, "Message-security-assist-extension-5 facility (excluding subfunctions)"),
|
||||
FEAT_INIT("minste2", S390_FEAT_TYPE_STFL, 58, "Miscellaneous-instruction-extensions facility 2"),
|
||||
FEAT_INIT("sema", S390_FEAT_TYPE_STFL, 59, "Semaphore-assist facility"),
|
||||
FEAT_INIT("tsi", S390_FEAT_TYPE_STFL, 60, "Time-slice Instrumentation facility"),
|
||||
FEAT_INIT("ri", S390_FEAT_TYPE_STFL, 64, "CPU runtime-instrumentation facility"),
|
||||
FEAT_INIT("zpci", S390_FEAT_TYPE_STFL, 69, "z/PCI facility"),
|
||||
FEAT_INIT("aen", S390_FEAT_TYPE_STFL, 71, "General-purpose-adapter-event-notification facility"),
|
||||
FEAT_INIT("ais", S390_FEAT_TYPE_STFL, 72, "General-purpose-adapter-interruption-suppression facility"),
|
||||
FEAT_INIT("te", S390_FEAT_TYPE_STFL, 73, "Transactional-execution facility"),
|
||||
FEAT_INIT("sthyi", S390_FEAT_TYPE_STFL, 74, "Store-hypervisor-information facility"),
|
||||
FEAT_INIT("aefsi", S390_FEAT_TYPE_STFL, 75, "Access-exception-fetch/store-indication facility"),
|
||||
|
|
@ -82,10 +90,24 @@ static const S390FeatDef s390_features[] = {
|
|||
FEAT_INIT("edat2", S390_FEAT_TYPE_STFL, 78, "Enhanced-DAT facility 2"),
|
||||
FEAT_INIT("dfppc", S390_FEAT_TYPE_STFL, 80, "Decimal-floating-point packed-conversion facility"),
|
||||
FEAT_INIT("vx", S390_FEAT_TYPE_STFL, 129, "Vector facility"),
|
||||
FEAT_INIT("iep", S390_FEAT_TYPE_STFL, 130, "Instruction-execution-protection facility"),
|
||||
FEAT_INIT("sea_esop2", S390_FEAT_TYPE_STFL, 131, "Side-effect-access facility and Enhanced-suppression-on-protection facility 2"),
|
||||
FEAT_INIT("gs", S390_FEAT_TYPE_STFL, 133, "Guarded-storage facility"),
|
||||
FEAT_INIT("vxpd", S390_FEAT_TYPE_STFL, 134, "Vector packed decimal facility"),
|
||||
FEAT_INIT("vxeh", S390_FEAT_TYPE_STFL, 135, "Vector enhancements facility"),
|
||||
FEAT_INIT("mepoch", S390_FEAT_TYPE_STFL, 139, "Multiple-epoch facility"),
|
||||
FEAT_INIT("tpei", S390_FEAT_TYPE_STFL, 144, "Test-pending-external-interruption facility"),
|
||||
FEAT_INIT("irbm", S390_FEAT_TYPE_STFL, 145, "Insert-reference-bits-multiple facility"),
|
||||
FEAT_INIT("msa8-base", S390_FEAT_TYPE_STFL, 146, "Message-security-assist-extension-8 facility (excluding subfunctions)"),
|
||||
FEAT_INIT("cmmnt", S390_FEAT_TYPE_STFL, 147, "CMM: ESSA-enhancement (no translate) facility"),
|
||||
|
||||
/* SCLP SCCB Byte 80 - 98 (bit numbers relative to byte-80) */
|
||||
FEAT_INIT("gsls", S390_FEAT_TYPE_SCLP_CONF_CHAR, 40, "SIE: Guest-storage-limit-suppression facility"),
|
||||
FEAT_INIT("esop", S390_FEAT_TYPE_SCLP_CONF_CHAR, 46, "Enhanced-suppression-on-protection facility"),
|
||||
FEAT_INIT("hpma2", S390_FEAT_TYPE_SCLP_CONF_CHAR, 90, "Host page management assist 2 Facility"), /* 91-2 */
|
||||
FEAT_INIT("kss", S390_FEAT_TYPE_SCLP_CONF_CHAR, 151, "SIE: Keyless-subset facility"), /* 98-7 */
|
||||
|
||||
/* SCLP SCCB Byte 116 - 119 (bit numbers relative to byte-116) */
|
||||
FEAT_INIT("64bscao", S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT, 0, "SIE: 64-bit-SCAO facility"),
|
||||
FEAT_INIT("cmma", S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT, 1, "SIE: Collaborative-memory-management assist"),
|
||||
FEAT_INIT("pfmfi", S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT, 9, "SIE: PFMF interpretation facility"),
|
||||
|
|
@ -182,10 +204,23 @@ static const S390FeatDef s390_features[] = {
|
|||
FEAT_INIT("kimd-sha-1", S390_FEAT_TYPE_KIMD, 1, "KIMD SHA-1"),
|
||||
FEAT_INIT("kimd-sha-256", S390_FEAT_TYPE_KIMD, 2, "KIMD SHA-256"),
|
||||
FEAT_INIT("kimd-sha-512", S390_FEAT_TYPE_KIMD, 3, "KIMD SHA-512"),
|
||||
FEAT_INIT("kimd-sha3-224", S390_FEAT_TYPE_KIMD, 32, "KIMD SHA3-224"),
|
||||
FEAT_INIT("kimd-sha3-256", S390_FEAT_TYPE_KIMD, 33, "KIMD SHA3-256"),
|
||||
FEAT_INIT("kimd-sha3-384", S390_FEAT_TYPE_KIMD, 34, "KIMD SHA3-384"),
|
||||
FEAT_INIT("kimd-sha3-512", S390_FEAT_TYPE_KIMD, 35, "KIMD SHA3-512"),
|
||||
FEAT_INIT("kimd-shake-128", S390_FEAT_TYPE_KIMD, 36, "KIMD SHAKE-128"),
|
||||
FEAT_INIT("kimd-shake-256", S390_FEAT_TYPE_KIMD, 37, "KIMD SHAKE-256"),
|
||||
FEAT_INIT("kimd-ghash", S390_FEAT_TYPE_KIMD, 65, "KIMD GHASH"),
|
||||
|
||||
FEAT_INIT("klmd-sha-1", S390_FEAT_TYPE_KLMD, 1, "KLMD SHA-1"),
|
||||
FEAT_INIT("klmd-sha-256", S390_FEAT_TYPE_KLMD, 2, "KLMD SHA-256"),
|
||||
FEAT_INIT("klmd-sha-512", S390_FEAT_TYPE_KLMD, 3, "KLMD SHA-512"),
|
||||
FEAT_INIT("klmd-sha3-224", S390_FEAT_TYPE_KLMD, 32, "KLMD SHA3-224"),
|
||||
FEAT_INIT("klmd-sha3-256", S390_FEAT_TYPE_KLMD, 33, "KLMD SHA3-256"),
|
||||
FEAT_INIT("klmd-sha3-384", S390_FEAT_TYPE_KLMD, 34, "KLMD SHA3-384"),
|
||||
FEAT_INIT("klmd-sha3-512", S390_FEAT_TYPE_KLMD, 35, "KLMD SHA3-512"),
|
||||
FEAT_INIT("klmd-shake-128", S390_FEAT_TYPE_KLMD, 36, "KLMD SHAKE-128"),
|
||||
FEAT_INIT("klmd-shake-256", S390_FEAT_TYPE_KLMD, 37, "KLMD SHAKE-256"),
|
||||
|
||||
FEAT_INIT("pckmo-edea", S390_FEAT_TYPE_PCKMO, 1, "PCKMO Encrypted-DEA-Key"),
|
||||
FEAT_INIT("pckmo-etdea-128", S390_FEAT_TYPE_PCKMO, 2, "PCKMO Encrypted-TDEA-128-Key"),
|
||||
|
|
@ -251,6 +286,15 @@ static const S390FeatDef s390_features[] = {
|
|||
FEAT_INIT("pcc-xts-eaes-256", S390_FEAT_TYPE_PCC, 60, "PCC Compute-XTS-Parameter-Using-Encrypted-AES-256"),
|
||||
|
||||
FEAT_INIT("ppno-sha-512-drng", S390_FEAT_TYPE_PPNO, 3, "PPNO SHA-512-DRNG"),
|
||||
FEAT_INIT("prno-trng-qrtcr", S390_FEAT_TYPE_PPNO, 112, "PRNO TRNG-Query-Raw-to-Conditioned-Ratio"),
|
||||
FEAT_INIT("prno-trng", S390_FEAT_TYPE_PPNO, 114, "PRNO TRNG"),
|
||||
|
||||
FEAT_INIT("kma-gcm-aes-128", S390_FEAT_TYPE_KMA, 18, "KMA GCM-AES-128"),
|
||||
FEAT_INIT("kma-gcm-aes-192", S390_FEAT_TYPE_KMA, 19, "KMA GCM-AES-192"),
|
||||
FEAT_INIT("kma-gcm-aes-256", S390_FEAT_TYPE_KMA, 20, "KMA GCM-AES-256"),
|
||||
FEAT_INIT("kma-gcm-eaes-128", S390_FEAT_TYPE_KMA, 26, "KMA GCM-Encrypted-AES-128"),
|
||||
FEAT_INIT("kma-gcm-eaes-192", S390_FEAT_TYPE_KMA, 27, "KMA GCM-Encrypted-AES-192"),
|
||||
FEAT_INIT("kma-gcm-eaes-256", S390_FEAT_TYPE_KMA, 28, "KMA GCM-Encrypted-AES-256"),
|
||||
};
|
||||
|
||||
const S390FeatDef *s390_feat_def(S390Feat feat)
|
||||
|
|
@ -293,8 +337,9 @@ void s390_fill_feat_block(const S390FeatBitmap features, S390FeatType type,
|
|||
int bit_nr;
|
||||
|
||||
if (type == S390_FEAT_TYPE_STFL && test_bit(S390_FEAT_ZARCH, features)) {
|
||||
/* z/Architecture is always active if around */
|
||||
data[0] |= 0x20;
|
||||
/* Features that are always active */
|
||||
data[0] |= 0x20; /* z/Architecture */
|
||||
data[17] |= 0x20; /* Configuration-z-architectural-mode */
|
||||
}
|
||||
|
||||
feat = find_first_bit(features, S390_FEAT_MAX);
|
||||
|
|
@ -383,6 +428,9 @@ static S390FeatGroupDef s390_feature_groups[] = {
|
|||
FEAT_GROUP_INIT("msa3", MSA_EXT_3, "Message-security-assist-extension 3 facility"),
|
||||
FEAT_GROUP_INIT("msa4", MSA_EXT_4, "Message-security-assist-extension 4 facility"),
|
||||
FEAT_GROUP_INIT("msa5", MSA_EXT_5, "Message-security-assist-extension 5 facility"),
|
||||
FEAT_GROUP_INIT("msa6", MSA_EXT_6, "Message-security-assist-extension 6 facility"),
|
||||
FEAT_GROUP_INIT("msa7", MSA_EXT_7, "Message-security-assist-extension 7 facility"),
|
||||
FEAT_GROUP_INIT("msa8", MSA_EXT_8, "Message-security-assist-extension 8 facility"),
|
||||
};
|
||||
|
||||
const S390FeatGroupDef *s390_feat_group_def(S390FeatGroup group)
|
||||
|
|
|
|||
|
|
@ -37,6 +37,7 @@ typedef enum {
|
|||
S390_FEAT_TYPE_KMO,
|
||||
S390_FEAT_TYPE_PCC,
|
||||
S390_FEAT_TYPE_PPNO,
|
||||
S390_FEAT_TYPE_KMA,
|
||||
} S390FeatType;
|
||||
|
||||
/* Definition of a CPU feature */
|
||||
|
|
@ -74,6 +75,9 @@ typedef enum {
|
|||
S390_FEAT_GROUP_MSA_EXT_3,
|
||||
S390_FEAT_GROUP_MSA_EXT_4,
|
||||
S390_FEAT_GROUP_MSA_EXT_5,
|
||||
S390_FEAT_GROUP_MSA_EXT_6,
|
||||
S390_FEAT_GROUP_MSA_EXT_7,
|
||||
S390_FEAT_GROUP_MSA_EXT_8,
|
||||
S390_FEAT_GROUP_MAX,
|
||||
} S390FeatGroup;
|
||||
|
||||
|
|
|
|||
|
|
@ -15,6 +15,7 @@
|
|||
#define TARGET_S390X_CPU_FEATURES_DEF_H
|
||||
|
||||
typedef enum {
|
||||
/* Stfle */
|
||||
S390_FEAT_ESAN3 = 0,
|
||||
S390_FEAT_ZARCH,
|
||||
S390_FEAT_DAT_ENH,
|
||||
|
|
@ -49,6 +50,7 @@ typedef enum {
|
|||
S390_FEAT_EXECUTE_EXT,
|
||||
S390_FEAT_ENHANCED_MONITOR,
|
||||
S390_FEAT_FLOATING_POINT_EXT,
|
||||
S390_FEAT_ORDER_PRESERVING_COMPRESSION,
|
||||
S390_FEAT_SET_PROGRAM_PARAMETERS,
|
||||
S390_FEAT_FLOATING_POINT_SUPPPORT_ENH,
|
||||
S390_FEAT_DFP,
|
||||
|
|
@ -62,8 +64,15 @@ typedef enum {
|
|||
S390_FEAT_LOCAL_TLB_CLEARING,
|
||||
S390_FEAT_INTERLOCKED_ACCESS_2,
|
||||
S390_FEAT_STFLE_53,
|
||||
S390_FEAT_ENTROPY_ENC_COMP,
|
||||
S390_FEAT_MSA_EXT_5,
|
||||
S390_FEAT_MISC_INSTRUCTION_EXT,
|
||||
S390_FEAT_SEMAPHORE_ASSIST,
|
||||
S390_FEAT_TIME_SLICE_INSTRUMENTATION,
|
||||
S390_FEAT_RUNTIME_INSTRUMENTATION,
|
||||
S390_FEAT_ZPCI,
|
||||
S390_FEAT_ADAPTER_EVENT_NOTIFICATION,
|
||||
S390_FEAT_ADAPTER_INT_SUPPRESSION,
|
||||
S390_FEAT_TRANSACTIONAL_EXE,
|
||||
S390_FEAT_STORE_HYPERVISOR_INFO,
|
||||
S390_FEAT_ACCESS_EXCEPTION_FS_INDICATION,
|
||||
|
|
@ -72,12 +81,30 @@ typedef enum {
|
|||
S390_FEAT_EDAT_2,
|
||||
S390_FEAT_DFP_PACKED_CONVERSION,
|
||||
S390_FEAT_VECTOR,
|
||||
S390_FEAT_INSTRUCTION_EXEC_PROT,
|
||||
S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2,
|
||||
S390_FEAT_GUARDED_STORAGE,
|
||||
S390_FEAT_VECTOR_PACKED_DECIMAL,
|
||||
S390_FEAT_VECTOR_ENH,
|
||||
S390_FEAT_MULTIPLE_EPOCH,
|
||||
S390_FEAT_TEST_PENDING_EXT_INTERRUPTION,
|
||||
S390_FEAT_INSERT_REFERENCE_BITS_MULT,
|
||||
S390_FEAT_MSA_EXT_8,
|
||||
S390_FEAT_CMM_NT,
|
||||
|
||||
/* Sclp Conf Char */
|
||||
S390_FEAT_SIE_GSLS,
|
||||
S390_FEAT_ESOP,
|
||||
S390_FEAT_HPMA2,
|
||||
S390_FEAT_SIE_KSS,
|
||||
|
||||
/* Sclp Conf Char Ext */
|
||||
S390_FEAT_SIE_64BSCAO,
|
||||
S390_FEAT_SIE_CMMA,
|
||||
S390_FEAT_SIE_PFMFI,
|
||||
S390_FEAT_SIE_IBS,
|
||||
|
||||
/* Sclp Cpu */
|
||||
S390_FEAT_SIE_F2,
|
||||
S390_FEAT_SIE_SKEY,
|
||||
S390_FEAT_SIE_GPERE,
|
||||
|
|
@ -85,8 +112,12 @@ typedef enum {
|
|||
S390_FEAT_SIE_SIGPIF,
|
||||
S390_FEAT_SIE_IB,
|
||||
S390_FEAT_SIE_CEI,
|
||||
|
||||
/* Misc */
|
||||
S390_FEAT_DAT_ENH_2,
|
||||
S390_FEAT_CMM,
|
||||
|
||||
/* PLO */
|
||||
S390_FEAT_PLO_CL,
|
||||
S390_FEAT_PLO_CLG,
|
||||
S390_FEAT_PLO_CLGR,
|
||||
|
|
@ -111,6 +142,8 @@ typedef enum {
|
|||
S390_FEAT_PLO_CSTSTG,
|
||||
S390_FEAT_PLO_CSTSTGR,
|
||||
S390_FEAT_PLO_CSTSTX,
|
||||
|
||||
/* PTFF */
|
||||
S390_FEAT_PTFF_QTO,
|
||||
S390_FEAT_PTFF_QSI,
|
||||
S390_FEAT_PTFF_QPT,
|
||||
|
|
@ -118,6 +151,8 @@ typedef enum {
|
|||
S390_FEAT_PTFF_QTOU,
|
||||
S390_FEAT_PTFF_STO,
|
||||
S390_FEAT_PTFF_STOU,
|
||||
|
||||
/* KMAC */
|
||||
S390_FEAT_KMAC_DEA,
|
||||
S390_FEAT_KMAC_TDEA_128,
|
||||
S390_FEAT_KMAC_TDEA_192,
|
||||
|
|
@ -130,6 +165,8 @@ typedef enum {
|
|||
S390_FEAT_KMAC_EAES_128,
|
||||
S390_FEAT_KMAC_EAES_192,
|
||||
S390_FEAT_KMAC_EAES_256,
|
||||
|
||||
/* KMC */
|
||||
S390_FEAT_KMC_DEA,
|
||||
S390_FEAT_KMC_TDEA_128,
|
||||
S390_FEAT_KMC_TDEA_192,
|
||||
|
|
@ -143,6 +180,8 @@ typedef enum {
|
|||
S390_FEAT_KMC_EAES_192,
|
||||
S390_FEAT_KMC_EAES_256,
|
||||
S390_FEAT_KMC_PRNG,
|
||||
|
||||
/* KM */
|
||||
S390_FEAT_KM_DEA,
|
||||
S390_FEAT_KM_TDEA_128,
|
||||
S390_FEAT_KM_TDEA_192,
|
||||
|
|
@ -159,19 +198,39 @@ typedef enum {
|
|||
S390_FEAT_KM_XTS_AES_256,
|
||||
S390_FEAT_KM_XTS_EAES_128,
|
||||
S390_FEAT_KM_XTS_EAES_256,
|
||||
|
||||
/* KIMD */
|
||||
S390_FEAT_KIMD_SHA_1,
|
||||
S390_FEAT_KIMD_SHA_256,
|
||||
S390_FEAT_KIMD_SHA_512,
|
||||
S390_FEAT_KIMD_SHA3_224,
|
||||
S390_FEAT_KIMD_SHA3_256,
|
||||
S390_FEAT_KIMD_SHA3_384,
|
||||
S390_FEAT_KIMD_SHA3_512,
|
||||
S390_FEAT_KIMD_SHAKE_128,
|
||||
S390_FEAT_KIMD_SHAKE_256,
|
||||
S390_FEAT_KIMD_GHASH,
|
||||
|
||||
/* KLMD */
|
||||
S390_FEAT_KLMD_SHA_1,
|
||||
S390_FEAT_KLMD_SHA_256,
|
||||
S390_FEAT_KLMD_SHA_512,
|
||||
S390_FEAT_KLMD_SHA3_224,
|
||||
S390_FEAT_KLMD_SHA3_256,
|
||||
S390_FEAT_KLMD_SHA3_384,
|
||||
S390_FEAT_KLMD_SHA3_512,
|
||||
S390_FEAT_KLMD_SHAKE_128,
|
||||
S390_FEAT_KLMD_SHAKE_256,
|
||||
|
||||
/* PCKMO */
|
||||
S390_FEAT_PCKMO_EDEA,
|
||||
S390_FEAT_PCKMO_ETDEA_128,
|
||||
S390_FEAT_PCKMO_ETDEA_256,
|
||||
S390_FEAT_PCKMO_AES_128,
|
||||
S390_FEAT_PCKMO_AES_192,
|
||||
S390_FEAT_PCKMO_AES_256,
|
||||
|
||||
/* KMCTR */
|
||||
S390_FEAT_KMCTR_DEA,
|
||||
S390_FEAT_KMCTR_TDEA_128,
|
||||
S390_FEAT_KMCTR_TDEA_192,
|
||||
|
|
@ -184,6 +243,8 @@ typedef enum {
|
|||
S390_FEAT_KMCTR_EAES_128,
|
||||
S390_FEAT_KMCTR_EAES_192,
|
||||
S390_FEAT_KMCTR_EAES_256,
|
||||
|
||||
/* KMF */
|
||||
S390_FEAT_KMF_DEA,
|
||||
S390_FEAT_KMF_TDEA_128,
|
||||
S390_FEAT_KMF_TDEA_192,
|
||||
|
|
@ -196,6 +257,8 @@ typedef enum {
|
|||
S390_FEAT_KMF_EAES_128,
|
||||
S390_FEAT_KMF_EAES_192,
|
||||
S390_FEAT_KMF_EAES_256,
|
||||
|
||||
/* KMO */
|
||||
S390_FEAT_KMO_DEA,
|
||||
S390_FEAT_KMO_TDEA_128,
|
||||
S390_FEAT_KMO_TDEA_192,
|
||||
|
|
@ -208,6 +271,8 @@ typedef enum {
|
|||
S390_FEAT_KMO_EAES_128,
|
||||
S390_FEAT_KMO_EAES_192,
|
||||
S390_FEAT_KMO_EAES_256,
|
||||
|
||||
/* PCC */
|
||||
S390_FEAT_PCC_CMAC_DEA,
|
||||
S390_FEAT_PCC_CMAC_TDEA_128,
|
||||
S390_FEAT_PCC_CMAC_TDEA_192,
|
||||
|
|
@ -224,7 +289,19 @@ typedef enum {
|
|||
S390_FEAT_PCC_XTS_AES_256,
|
||||
S390_FEAT_PCC_XTS_EAES_128,
|
||||
S390_FEAT_PCC_XTS_EAES_256,
|
||||
|
||||
/* PPNO/PRNO */
|
||||
S390_FEAT_PPNO_SHA_512_DRNG,
|
||||
S390_FEAT_PRNO_TRNG_QRTCR,
|
||||
S390_FEAT_PRNO_TRNG,
|
||||
|
||||
/* KMA */
|
||||
S390_FEAT_KMA_GCM_AES_128,
|
||||
S390_FEAT_KMA_GCM_AES_192,
|
||||
S390_FEAT_KMA_GCM_AES_256 ,
|
||||
S390_FEAT_KMA_GCM_EAES_128,
|
||||
S390_FEAT_KMA_GCM_EAES_192,
|
||||
S390_FEAT_KMA_GCM_EAES_256,
|
||||
S390_FEAT_MAX,
|
||||
} S390Feat;
|
||||
|
||||
|
|
|
|||
|
|
@ -77,6 +77,32 @@ static S390CPUDef s390_cpu_defs[] = {
|
|||
CPUDEF_INIT(0x2965, 13, 2, 47, 0x08000000U, "z13s", "IBM z13s GA1"),
|
||||
};
|
||||
|
||||
void s390_cpudef_featoff(uint8_t gen, uint8_t ec_ga, S390Feat feat)
|
||||
{
|
||||
const S390CPUDef *def;
|
||||
|
||||
def = s390_find_cpu_def(0, gen, ec_ga, NULL);
|
||||
clear_bit(feat, (unsigned long *)&def->default_feat);
|
||||
}
|
||||
|
||||
void s390_cpudef_featoff_greater(uint8_t gen, uint8_t ec_ga, S390Feat feat)
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) {
|
||||
const S390CPUDef *def = &s390_cpu_defs[i];
|
||||
|
||||
if (def->gen < gen) {
|
||||
continue;
|
||||
}
|
||||
if (def->gen == gen && def->ec_ga < ec_ga) {
|
||||
continue;
|
||||
}
|
||||
|
||||
clear_bit(feat, (unsigned long *)&def->default_feat);
|
||||
}
|
||||
}
|
||||
|
||||
uint32_t s390_get_hmfai(void)
|
||||
{
|
||||
static S390CPU *cpu;
|
||||
|
|
@ -671,6 +697,31 @@ static void check_consistency(const S390CPUModel *model)
|
|||
{ S390_FEAT_SIE_CMMA, S390_FEAT_CMM },
|
||||
{ S390_FEAT_SIE_CMMA, S390_FEAT_SIE_GSLS },
|
||||
{ S390_FEAT_SIE_PFMFI, S390_FEAT_EDAT },
|
||||
{ S390_FEAT_MSA_EXT_8, S390_FEAT_MSA_EXT_3 },
|
||||
{ S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING },
|
||||
{ S390_FEAT_VECTOR_PACKED_DECIMAL, S390_FEAT_VECTOR },
|
||||
{ S390_FEAT_VECTOR_ENH, S390_FEAT_VECTOR },
|
||||
{ S390_FEAT_INSTRUCTION_EXEC_PROT, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 },
|
||||
{ S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2, S390_FEAT_ESOP },
|
||||
{ S390_FEAT_CMM_NT, S390_FEAT_CMM },
|
||||
{ S390_FEAT_GUARDED_STORAGE, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 },
|
||||
{ S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_STORE_CLOCK_FAST },
|
||||
{ S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING },
|
||||
{ S390_FEAT_SEMAPHORE_ASSIST, S390_FEAT_STFLE_49 },
|
||||
{ S390_FEAT_KIMD_SHA3_224, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KIMD_SHA3_256, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KIMD_SHA3_384, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KIMD_SHA3_512, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KIMD_SHAKE_128, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KIMD_SHAKE_256, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KLMD_SHA3_224, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KLMD_SHA3_256, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KLMD_SHA3_384, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KLMD_SHA3_512, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KLMD_SHAKE_128, S390_FEAT_MSA },
|
||||
{ S390_FEAT_KLMD_SHAKE_256, S390_FEAT_MSA },
|
||||
{ S390_FEAT_PRNO_TRNG_QRTCR, S390_FEAT_MSA_EXT_5 },
|
||||
{ S390_FEAT_PRNO_TRNG, S390_FEAT_MSA_EXT_5 },
|
||||
};
|
||||
int i;
|
||||
|
||||
|
|
|
|||
|
|
@ -72,6 +72,8 @@ typedef struct S390CPUModel {
|
|||
#define ibc_gen(x) (x == 0 ? 0 : ((x >> 4) + S390_GEN_Z10))
|
||||
#define ibc_ec_ga(x) (x & 0xf)
|
||||
|
||||
void s390_cpudef_featoff(uint8_t gen, uint8_t ec_ga, S390Feat feat);
|
||||
void s390_cpudef_featoff_greater(uint8_t gen, uint8_t ec_ga, S390Feat feat);
|
||||
uint32_t s390_get_hmfai(void);
|
||||
uint8_t s390_get_mha_pow(void);
|
||||
uint32_t s390_get_ibc_val(void);
|
||||
|
|
|
|||
|
|
@ -286,6 +286,26 @@ static int cpu_write_virt_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
|
|||
}
|
||||
#endif
|
||||
|
||||
/* the values represent the positions in s390-gs.xml */
|
||||
#define S390_GS_RESERVED_REGNUM 0
|
||||
#define S390_GS_GSD_REGNUM 1
|
||||
#define S390_GS_GSSM_REGNUM 2
|
||||
#define S390_GS_GSEPLA_REGNUM 3
|
||||
/* total number of registers in s390-gs.xml */
|
||||
#define S390_NUM_GS_REGS 4
|
||||
|
||||
static int cpu_read_gs_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
|
||||
{
|
||||
return gdb_get_regl(mem_buf, env->gscb[n]);
|
||||
}
|
||||
|
||||
static int cpu_write_gs_reg(CPUS390XState *env, uint8_t *mem_buf, int n)
|
||||
{
|
||||
env->gscb[n] = ldtul_p(mem_buf);
|
||||
cpu_synchronize_post_init(ENV_GET_CPU(env));
|
||||
return 8;
|
||||
}
|
||||
|
||||
void s390_cpu_gdb_init(CPUState *cs)
|
||||
{
|
||||
gdb_register_coprocessor(cs, cpu_read_ac_reg,
|
||||
|
|
@ -300,6 +320,10 @@ void s390_cpu_gdb_init(CPUState *cs)
|
|||
cpu_write_vreg,
|
||||
S390_NUM_VREGS, "s390-vx.xml", 0);
|
||||
|
||||
gdb_register_coprocessor(cs, cpu_read_gs_reg,
|
||||
cpu_write_gs_reg,
|
||||
S390_NUM_GS_REGS, "s390-gs.xml", 0);
|
||||
|
||||
#ifndef CONFIG_USER_ONLY
|
||||
gdb_register_coprocessor(cs, cpu_read_c_reg,
|
||||
cpu_write_c_reg,
|
||||
|
|
|
|||
|
|
@ -182,6 +182,33 @@
|
|||
S390_FEAT_MSA_EXT_5, \
|
||||
S390_FEAT_PPNO_SHA_512_DRNG
|
||||
|
||||
#define S390_FEAT_GROUP_MSA_EXT_6 \
|
||||
S390_FEAT_KIMD_SHA3_224, \
|
||||
S390_FEAT_KIMD_SHA3_256, \
|
||||
S390_FEAT_KIMD_SHA3_384, \
|
||||
S390_FEAT_KIMD_SHA3_512, \
|
||||
S390_FEAT_KIMD_SHAKE_128, \
|
||||
S390_FEAT_KIMD_SHAKE_256, \
|
||||
S390_FEAT_KLMD_SHA3_224, \
|
||||
S390_FEAT_KLMD_SHA3_256, \
|
||||
S390_FEAT_KLMD_SHA3_384, \
|
||||
S390_FEAT_KLMD_SHA3_512, \
|
||||
S390_FEAT_KLMD_SHAKE_128, \
|
||||
S390_FEAT_KLMD_SHAKE_256
|
||||
|
||||
#define S390_FEAT_GROUP_MSA_EXT_7 \
|
||||
S390_FEAT_PRNO_TRNG_QRTCR, \
|
||||
S390_FEAT_PRNO_TRNG
|
||||
|
||||
#define S390_FEAT_GROUP_MSA_EXT_8 \
|
||||
S390_FEAT_MSA_EXT_8, \
|
||||
S390_FEAT_KMA_GCM_AES_128, \
|
||||
S390_FEAT_KMA_GCM_AES_192, \
|
||||
S390_FEAT_KMA_GCM_AES_256 , \
|
||||
S390_FEAT_KMA_GCM_EAES_128, \
|
||||
S390_FEAT_KMA_GCM_EAES_192, \
|
||||
S390_FEAT_KMA_GCM_EAES_256
|
||||
|
||||
/* cpu feature groups */
|
||||
static uint16_t group_PLO[] = {
|
||||
S390_FEAT_GROUP_PLO,
|
||||
|
|
@ -210,15 +237,30 @@ static uint16_t group_MSA_EXT_4[] = {
|
|||
static uint16_t group_MSA_EXT_5[] = {
|
||||
S390_FEAT_GROUP_MSA_EXT_5,
|
||||
};
|
||||
static uint16_t group_MSA_EXT_6[] = {
|
||||
S390_FEAT_GROUP_MSA_EXT_6,
|
||||
};
|
||||
static uint16_t group_MSA_EXT_7[] = {
|
||||
S390_FEAT_GROUP_MSA_EXT_7,
|
||||
};
|
||||
static uint16_t group_MSA_EXT_8[] = {
|
||||
S390_FEAT_GROUP_MSA_EXT_8,
|
||||
};
|
||||
|
||||
/* base features in order of release */
|
||||
/* Base features (in order of release)
|
||||
* Only non-hypervisor managed features belong here.
|
||||
* Base feature sets are static meaning they do not change in future QEMU
|
||||
* releases.
|
||||
*/
|
||||
static uint16_t base_GEN7_GA1[] = {
|
||||
S390_FEAT_GROUP_PLO,
|
||||
S390_FEAT_ESAN3,
|
||||
S390_FEAT_ZARCH,
|
||||
};
|
||||
|
||||
#define base_GEN7_GA2 EmptyFeat
|
||||
#define base_GEN7_GA3 EmptyFeat
|
||||
|
||||
static uint16_t base_GEN8_GA1[] = {
|
||||
S390_FEAT_DAT_ENH,
|
||||
S390_FEAT_EXTENDED_TRANSLATION_2,
|
||||
|
|
@ -227,10 +269,12 @@ static uint16_t base_GEN8_GA1[] = {
|
|||
S390_FEAT_LONG_DISPLACEMENT_FAST,
|
||||
S390_FEAT_HFP_MADDSUB,
|
||||
};
|
||||
|
||||
#define base_GEN8_GA2 EmptyFeat
|
||||
#define base_GEN8_GA3 EmptyFeat
|
||||
#define base_GEN8_GA4 EmptyFeat
|
||||
#define base_GEN8_GA5 EmptyFeat
|
||||
|
||||
static uint16_t base_GEN9_GA1[] = {
|
||||
S390_FEAT_IDTE_SEGMENT,
|
||||
S390_FEAT_ASN_LX_REUSE,
|
||||
|
|
@ -245,8 +289,10 @@ static uint16_t base_GEN9_GA1[] = {
|
|||
S390_FEAT_ETF3_ENH,
|
||||
S390_FEAT_DAT_ENH_2,
|
||||
};
|
||||
|
||||
#define base_GEN9_GA2 EmptyFeat
|
||||
#define base_GEN9_GA3 EmptyFeat
|
||||
|
||||
static uint16_t base_GEN10_GA1[] = {
|
||||
S390_FEAT_CONDITIONAL_SSKE,
|
||||
S390_FEAT_PARSING_ENH,
|
||||
|
|
@ -263,6 +309,7 @@ static uint16_t base_GEN10_GA1[] = {
|
|||
};
|
||||
#define base_GEN10_GA2 EmptyFeat
|
||||
#define base_GEN10_GA3 EmptyFeat
|
||||
|
||||
static uint16_t base_GEN11_GA1[] = {
|
||||
S390_FEAT_NONQ_KEY_SETTING,
|
||||
S390_FEAT_ENHANCED_MONITOR,
|
||||
|
|
@ -272,21 +319,30 @@ static uint16_t base_GEN11_GA1[] = {
|
|||
S390_FEAT_CMPSC_ENH,
|
||||
S390_FEAT_INTERLOCKED_ACCESS_2,
|
||||
};
|
||||
|
||||
#define base_GEN11_GA2 EmptyFeat
|
||||
|
||||
static uint16_t base_GEN12_GA1[] = {
|
||||
S390_FEAT_DFP_ZONED_CONVERSION,
|
||||
S390_FEAT_STFLE_49,
|
||||
S390_FEAT_LOCAL_TLB_CLEARING,
|
||||
};
|
||||
|
||||
#define base_GEN12_GA2 EmptyFeat
|
||||
|
||||
static uint16_t base_GEN13_GA1[] = {
|
||||
S390_FEAT_STFLE_53,
|
||||
S390_FEAT_DFP_PACKED_CONVERSION,
|
||||
S390_FEAT_GROUP_GEN13_PTFF,
|
||||
};
|
||||
|
||||
#define base_GEN13_GA2 EmptyFeat
|
||||
|
||||
/* full features differing to the base in order of release */
|
||||
/* Full features (in order of release)
|
||||
* Automatically includes corresponding base features.
|
||||
* Full features are all features this hardware supports even if kvm/QEMU do not
|
||||
* support these features yet.
|
||||
*/
|
||||
static uint16_t full_GEN7_GA1[] = {
|
||||
S390_FEAT_SIE_F2,
|
||||
S390_FEAT_SIE_SKEY,
|
||||
|
|
@ -294,30 +350,38 @@ static uint16_t full_GEN7_GA1[] = {
|
|||
S390_FEAT_SIE_IB,
|
||||
S390_FEAT_SIE_CEI,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN7_GA2[] = {
|
||||
S390_FEAT_EXTENDED_TRANSLATION_2,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN7_GA3[] = {
|
||||
S390_FEAT_LONG_DISPLACEMENT,
|
||||
S390_FEAT_SIE_SIIF,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN8_GA1[] = {
|
||||
S390_FEAT_SIE_GSLS,
|
||||
S390_FEAT_SIE_64BSCAO,
|
||||
};
|
||||
|
||||
#define full_GEN8_GA2 EmptyFeat
|
||||
|
||||
static uint16_t full_GEN8_GA3[] = {
|
||||
S390_FEAT_ASN_LX_REUSE,
|
||||
S390_FEAT_EXTENDED_TRANSLATION_3,
|
||||
};
|
||||
|
||||
#define full_GEN8_GA4 EmptyFeat
|
||||
#define full_GEN8_GA5 EmptyFeat
|
||||
|
||||
static uint16_t full_GEN9_GA1[] = {
|
||||
S390_FEAT_STORE_HYPERVISOR_INFO,
|
||||
S390_FEAT_GROUP_MSA_EXT_1,
|
||||
S390_FEAT_CMM,
|
||||
S390_FEAT_SIE_CMMA,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN9_GA2[] = {
|
||||
S390_FEAT_MOVE_WITH_OPTIONAL_SPEC,
|
||||
S390_FEAT_EXTRACT_CPU_TIME,
|
||||
|
|
@ -325,10 +389,12 @@ static uint16_t full_GEN9_GA2[] = {
|
|||
S390_FEAT_FLOATING_POINT_SUPPPORT_ENH,
|
||||
S390_FEAT_DFP,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN9_GA3[] = {
|
||||
S390_FEAT_CONDITIONAL_SSKE,
|
||||
S390_FEAT_PFPO,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN10_GA1[] = {
|
||||
S390_FEAT_EDAT,
|
||||
S390_FEAT_CONFIGURATION_TOPOLOGY,
|
||||
|
|
@ -337,34 +403,50 @@ static uint16_t full_GEN10_GA1[] = {
|
|||
S390_FEAT_SIE_PFMFI,
|
||||
S390_FEAT_SIE_SIGPIF,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN10_GA2[] = {
|
||||
S390_FEAT_SET_PROGRAM_PARAMETERS,
|
||||
S390_FEAT_SIE_IBS,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN10_GA3[] = {
|
||||
S390_FEAT_GROUP_MSA_EXT_3,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN11_GA1[] = {
|
||||
S390_FEAT_IPTE_RANGE,
|
||||
S390_FEAT_ACCESS_EXCEPTION_FS_INDICATION,
|
||||
S390_FEAT_GROUP_MSA_EXT_4,
|
||||
};
|
||||
|
||||
#define full_GEN11_GA2 EmptyFeat
|
||||
|
||||
static uint16_t full_GEN12_GA1[] = {
|
||||
S390_FEAT_CONSTRAINT_TRANSACTIONAL_EXE,
|
||||
S390_FEAT_TRANSACTIONAL_EXE,
|
||||
S390_FEAT_RUNTIME_INSTRUMENTATION,
|
||||
S390_FEAT_ZPCI,
|
||||
S390_FEAT_ADAPTER_EVENT_NOTIFICATION,
|
||||
S390_FEAT_ADAPTER_INT_SUPPRESSION,
|
||||
S390_FEAT_EDAT_2,
|
||||
S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN12_GA2[] = {
|
||||
S390_FEAT_GROUP_MSA_EXT_5,
|
||||
};
|
||||
|
||||
static uint16_t full_GEN13_GA1[] = {
|
||||
S390_FEAT_VECTOR,
|
||||
};
|
||||
|
||||
#define full_GEN13_GA2 EmptyFeat
|
||||
|
||||
/* default features differing to the base in order of release */
|
||||
/* Default features (in order of release)
|
||||
* Automatically includes corresponding base features.
|
||||
* Default features are all features this version of QEMU supports for this
|
||||
* hardware model. Default feature sets can grow with new QEMU releases.
|
||||
*/
|
||||
#define default_GEN7_GA1 EmptyFeat
|
||||
#define default_GEN7_GA2 EmptyFeat
|
||||
#define default_GEN7_GA3 EmptyFeat
|
||||
|
|
@ -373,37 +455,51 @@ static uint16_t full_GEN13_GA1[] = {
|
|||
#define default_GEN8_GA3 EmptyFeat
|
||||
#define default_GEN8_GA4 EmptyFeat
|
||||
#define default_GEN8_GA5 EmptyFeat
|
||||
|
||||
static uint16_t default_GEN9_GA1[] = {
|
||||
S390_FEAT_STORE_HYPERVISOR_INFO,
|
||||
S390_FEAT_GROUP_MSA_EXT_1,
|
||||
S390_FEAT_CMM,
|
||||
};
|
||||
|
||||
#define default_GEN9_GA2 EmptyFeat
|
||||
#define default_GEN9_GA3 EmptyFeat
|
||||
|
||||
static uint16_t default_GEN10_GA1[] = {
|
||||
S390_FEAT_EDAT,
|
||||
S390_FEAT_GROUP_MSA_EXT_2,
|
||||
};
|
||||
|
||||
#define default_GEN10_GA2 EmptyFeat
|
||||
#define default_GEN10_GA3 EmptyFeat
|
||||
|
||||
static uint16_t default_GEN11_GA1[] = {
|
||||
S390_FEAT_GROUP_MSA_EXT_3,
|
||||
S390_FEAT_IPTE_RANGE,
|
||||
S390_FEAT_ACCESS_EXCEPTION_FS_INDICATION,
|
||||
S390_FEAT_GROUP_MSA_EXT_4,
|
||||
};
|
||||
|
||||
#define default_GEN11_GA2 EmptyFeat
|
||||
|
||||
static uint16_t default_GEN12_GA1[] = {
|
||||
S390_FEAT_CONSTRAINT_TRANSACTIONAL_EXE,
|
||||
S390_FEAT_TRANSACTIONAL_EXE,
|
||||
S390_FEAT_RUNTIME_INSTRUMENTATION,
|
||||
S390_FEAT_ZPCI,
|
||||
S390_FEAT_ADAPTER_EVENT_NOTIFICATION,
|
||||
S390_FEAT_EDAT_2,
|
||||
S390_FEAT_ESOP,
|
||||
S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2,
|
||||
};
|
||||
|
||||
#define default_GEN12_GA2 EmptyFeat
|
||||
|
||||
static uint16_t default_GEN13_GA1[] = {
|
||||
S390_FEAT_GROUP_MSA_EXT_5,
|
||||
S390_FEAT_VECTOR,
|
||||
};
|
||||
|
||||
#define default_GEN13_GA2 EmptyFeat
|
||||
|
||||
/****** END FEATURE DEFS ******/
|
||||
|
|
@ -491,6 +587,9 @@ static FeatGroupDefSpec FeatGroupDef[] = {
|
|||
FEAT_GROUP_INITIALIZER(MSA_EXT_3),
|
||||
FEAT_GROUP_INITIALIZER(MSA_EXT_4),
|
||||
FEAT_GROUP_INITIALIZER(MSA_EXT_5),
|
||||
FEAT_GROUP_INITIALIZER(MSA_EXT_6),
|
||||
FEAT_GROUP_INITIALIZER(MSA_EXT_7),
|
||||
FEAT_GROUP_INITIALIZER(MSA_EXT_8),
|
||||
};
|
||||
|
||||
static void set_bits(uint64_t list[], BitSpec bits)
|
||||
|
|
|
|||
|
|
@ -139,6 +139,9 @@ static int cap_async_pf;
|
|||
static int cap_mem_op;
|
||||
static int cap_s390_irq;
|
||||
static int cap_ri;
|
||||
static int cap_gs;
|
||||
|
||||
static int active_cmma;
|
||||
|
||||
static void *legacy_s390_alloc(size_t size, uint64_t *align);
|
||||
|
||||
|
|
@ -177,6 +180,11 @@ int kvm_s390_set_mem_limit(KVMState *s, uint64_t new_limit, uint64_t *hw_limit)
|
|||
return kvm_vm_ioctl(s, KVM_SET_DEVICE_ATTR, &attr);
|
||||
}
|
||||
|
||||
int kvm_s390_cmma_active(void)
|
||||
{
|
||||
return active_cmma;
|
||||
}
|
||||
|
||||
static bool kvm_s390_cmma_available(void)
|
||||
{
|
||||
static bool initialized, value;
|
||||
|
|
@ -197,7 +205,7 @@ void kvm_s390_cmma_reset(void)
|
|||
.attr = KVM_S390_VM_MEM_CLR_CMMA,
|
||||
};
|
||||
|
||||
if (mem_path || !kvm_s390_cmma_available()) {
|
||||
if (!kvm_s390_cmma_active()) {
|
||||
return;
|
||||
}
|
||||
|
||||
|
|
@ -213,7 +221,13 @@ static void kvm_s390_enable_cmma(void)
|
|||
.attr = KVM_S390_VM_MEM_ENABLE_CMMA,
|
||||
};
|
||||
|
||||
if (mem_path) {
|
||||
error_report("Warning: CMM will not be enabled because it is not "
|
||||
"compatible to hugetlbfs.");
|
||||
return;
|
||||
}
|
||||
rc = kvm_vm_ioctl(kvm_state, KVM_SET_DEVICE_ATTR, &attr);
|
||||
active_cmma = !rc;
|
||||
trace_kvm_enable_cmma(rc);
|
||||
}
|
||||
|
||||
|
|
@ -288,6 +302,14 @@ int kvm_arch_init(MachineState *ms, KVMState *s)
|
|||
cap_ri = 1;
|
||||
}
|
||||
}
|
||||
if (gs_allowed()) {
|
||||
if (kvm_vm_enable_cap(s, KVM_CAP_S390_GS, 0) == 0) {
|
||||
cap_gs = 1;
|
||||
}
|
||||
}
|
||||
|
||||
/* Try to enable AIS facility */
|
||||
kvm_vm_enable_cap(s, KVM_CAP_S390_AIS, 0);
|
||||
|
||||
qemu_mutex_init(&qemu_sigp_mutex);
|
||||
|
||||
|
|
@ -456,6 +478,11 @@ int kvm_arch_put_registers(CPUState *cs, int level)
|
|||
}
|
||||
}
|
||||
|
||||
if (can_sync_regs(cs, KVM_SYNC_GSCB)) {
|
||||
memcpy(cs->kvm_run->s.regs.gscb, env->gscb, 32);
|
||||
cs->kvm_run->kvm_dirty_regs |= KVM_SYNC_GSCB;
|
||||
}
|
||||
|
||||
/* Finally the prefix */
|
||||
if (can_sync_regs(cs, KVM_SYNC_PREFIX)) {
|
||||
cs->kvm_run->s.regs.prefix = env->psa;
|
||||
|
|
@ -562,6 +589,10 @@ int kvm_arch_get_registers(CPUState *cs)
|
|||
memcpy(env->riccb, cs->kvm_run->s.regs.riccb, 64);
|
||||
}
|
||||
|
||||
if (can_sync_regs(cs, KVM_SYNC_GSCB)) {
|
||||
memcpy(env->gscb, cs->kvm_run->s.regs.gscb, 32);
|
||||
}
|
||||
|
||||
/* pfault parameters */
|
||||
if (can_sync_regs(cs, KVM_SYNC_PFAULT)) {
|
||||
env->pfault_token = cs->kvm_run->s.regs.pft;
|
||||
|
|
@ -1193,7 +1224,21 @@ static int kvm_stpcifc_service_call(S390CPU *cpu, struct kvm_run *run)
|
|||
|
||||
static int kvm_sic_service_call(S390CPU *cpu, struct kvm_run *run)
|
||||
{
|
||||
/* NOOP */
|
||||
CPUS390XState *env = &cpu->env;
|
||||
uint8_t r1 = (run->s390_sieic.ipa & 0x00f0) >> 4;
|
||||
uint8_t r3 = run->s390_sieic.ipa & 0x000f;
|
||||
uint8_t isc;
|
||||
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);
|
||||
if (r) {
|
||||
enter_pgmcheck(cpu, -r);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -1444,22 +1489,28 @@ static void sigp_stop(CPUState *cs, run_on_cpu_data arg)
|
|||
si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
|
||||
}
|
||||
|
||||
#define ADTL_SAVE_AREA_SIZE 1024
|
||||
static int kvm_s390_store_adtl_status(S390CPU *cpu, hwaddr addr)
|
||||
#define ADTL_GS_OFFSET 1024 /* offset of GS data in adtl save area */
|
||||
#define ADTL_GS_MIN_SIZE 2048 /* minimal size of adtl save area for GS */
|
||||
static int do_store_adtl_status(S390CPU *cpu, hwaddr addr, hwaddr len)
|
||||
{
|
||||
hwaddr save = len;
|
||||
void *mem;
|
||||
hwaddr len = ADTL_SAVE_AREA_SIZE;
|
||||
|
||||
mem = cpu_physical_memory_map(addr, &len, 1);
|
||||
mem = cpu_physical_memory_map(addr, &save, 1);
|
||||
if (!mem) {
|
||||
return -EFAULT;
|
||||
}
|
||||
if (len != ADTL_SAVE_AREA_SIZE) {
|
||||
if (save != len) {
|
||||
cpu_physical_memory_unmap(mem, len, 1, 0);
|
||||
return -EFAULT;
|
||||
}
|
||||
|
||||
memcpy(mem, &cpu->env.vregs, 512);
|
||||
if (s390_has_feat(S390_FEAT_VECTOR)) {
|
||||
memcpy(mem, &cpu->env.vregs, 512);
|
||||
}
|
||||
if (s390_has_feat(S390_FEAT_GUARDED_STORAGE) && len >= ADTL_GS_MIN_SIZE) {
|
||||
memcpy(mem + ADTL_GS_OFFSET, &cpu->env.gscb, 32);
|
||||
}
|
||||
|
||||
cpu_physical_memory_unmap(mem, len, 1, len);
|
||||
|
||||
|
|
@ -1555,12 +1606,17 @@ static void sigp_store_status_at_address(CPUState *cs, run_on_cpu_data arg)
|
|||
si->cc = SIGP_CC_ORDER_CODE_ACCEPTED;
|
||||
}
|
||||
|
||||
#define ADTL_SAVE_LC_MASK 0xfUL
|
||||
static void sigp_store_adtl_status(CPUState *cs, run_on_cpu_data arg)
|
||||
{
|
||||
S390CPU *cpu = S390_CPU(cs);
|
||||
SigpInfo *si = arg.host_ptr;
|
||||
uint8_t lc = si->param & ADTL_SAVE_LC_MASK;
|
||||
hwaddr addr = si->param & ~ADTL_SAVE_LC_MASK;
|
||||
hwaddr len = 1UL << (lc ? lc : 10);
|
||||
|
||||
if (!s390_has_feat(S390_FEAT_VECTOR)) {
|
||||
if (!s390_has_feat(S390_FEAT_VECTOR) &&
|
||||
!s390_has_feat(S390_FEAT_GUARDED_STORAGE)) {
|
||||
set_sigp_status(si, SIGP_STAT_INVALID_ORDER);
|
||||
return;
|
||||
}
|
||||
|
|
@ -1571,15 +1627,32 @@ static void sigp_store_adtl_status(CPUState *cs, run_on_cpu_data arg)
|
|||
return;
|
||||
}
|
||||
|
||||
/* parameter must be aligned to 1024-byte boundary */
|
||||
if (si->param & 0x3ff) {
|
||||
/* address must be aligned to length */
|
||||
if (addr & (len - 1)) {
|
||||
set_sigp_status(si, SIGP_STAT_INVALID_PARAMETER);
|
||||
return;
|
||||
}
|
||||
|
||||
/* no GS: only lc == 0 is valid */
|
||||
if (!s390_has_feat(S390_FEAT_GUARDED_STORAGE) &&
|
||||
lc != 0) {
|
||||
set_sigp_status(si, SIGP_STAT_INVALID_PARAMETER);
|
||||
return;
|
||||
}
|
||||
|
||||
/* GS: 0, 10, 11, 12 are valid */
|
||||
if (s390_has_feat(S390_FEAT_GUARDED_STORAGE) &&
|
||||
lc != 0 &&
|
||||
lc != 10 &&
|
||||
lc != 11 &&
|
||||
lc != 12) {
|
||||
set_sigp_status(si, SIGP_STAT_INVALID_PARAMETER);
|
||||
return;
|
||||
}
|
||||
|
||||
cpu_synchronize_state(cs);
|
||||
|
||||
if (kvm_s390_store_adtl_status(cpu, si->param)) {
|
||||
if (do_store_adtl_status(cpu, addr, len)) {
|
||||
set_sigp_status(si, SIGP_STAT_INVALID_PARAMETER);
|
||||
return;
|
||||
}
|
||||
|
|
@ -1727,41 +1800,25 @@ static int sigp_set_architecture(S390CPU *cpu, uint32_t param,
|
|||
{
|
||||
CPUState *cur_cs;
|
||||
S390CPU *cur_cpu;
|
||||
bool all_stopped = true;
|
||||
|
||||
/* due to the BQL, we are the only active cpu */
|
||||
CPU_FOREACH(cur_cs) {
|
||||
cur_cpu = S390_CPU(cur_cs);
|
||||
if (cur_cpu->env.sigp_order != 0) {
|
||||
return SIGP_CC_BUSY;
|
||||
|
||||
if (cur_cpu == cpu) {
|
||||
continue;
|
||||
}
|
||||
cpu_synchronize_state(cur_cs);
|
||||
/* all but the current one have to be stopped */
|
||||
if (cur_cpu != cpu &&
|
||||
s390_cpu_get_state(cur_cpu) != CPU_STATE_STOPPED) {
|
||||
*status_reg &= 0xffffffff00000000ULL;
|
||||
*status_reg |= SIGP_STAT_INCORRECT_STATE;
|
||||
return SIGP_CC_STATUS_STORED;
|
||||
if (s390_cpu_get_state(cur_cpu) != CPU_STATE_STOPPED) {
|
||||
all_stopped = false;
|
||||
}
|
||||
}
|
||||
|
||||
switch (param & 0xff) {
|
||||
case SIGP_MODE_ESA_S390:
|
||||
/* not supported */
|
||||
return SIGP_CC_NOT_OPERATIONAL;
|
||||
case SIGP_MODE_Z_ARCH_TRANS_ALL_PSW:
|
||||
case SIGP_MODE_Z_ARCH_TRANS_CUR_PSW:
|
||||
CPU_FOREACH(cur_cs) {
|
||||
cur_cpu = S390_CPU(cur_cs);
|
||||
cur_cpu->env.pfault_token = -1UL;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
*status_reg &= 0xffffffff00000000ULL;
|
||||
*status_reg |= SIGP_STAT_INVALID_PARAMETER;
|
||||
return SIGP_CC_STATUS_STORED;
|
||||
}
|
||||
*status_reg &= 0xffffffff00000000ULL;
|
||||
|
||||
return SIGP_CC_ORDER_CODE_ACCEPTED;
|
||||
/* Reject set arch order, with czam we're always in z/Arch mode. */
|
||||
*status_reg |= (all_stopped ? SIGP_STAT_INVALID_PARAMETER :
|
||||
SIGP_STAT_INCORRECT_STATE);
|
||||
return SIGP_CC_STATUS_STORED;
|
||||
}
|
||||
|
||||
static int handle_sigp(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1)
|
||||
|
|
@ -2174,6 +2231,9 @@ static uint64_t build_channel_report_mcic(void)
|
|||
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;
|
||||
}
|
||||
|
||||
|
|
@ -2239,6 +2299,11 @@ int kvm_s390_get_ri(void)
|
|||
return cap_ri;
|
||||
}
|
||||
|
||||
int kvm_s390_get_gs(void)
|
||||
{
|
||||
return cap_gs;
|
||||
}
|
||||
|
||||
int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state)
|
||||
{
|
||||
struct kvm_mp_state mp_state = {};
|
||||
|
|
@ -2417,6 +2482,9 @@ static int query_cpu_subfunc(S390FeatBitmap features)
|
|||
if (test_bit(S390_FEAT_MSA_EXT_5, features)) {
|
||||
s390_add_from_feat_block(features, S390_FEAT_TYPE_PPNO, prop.ppno);
|
||||
}
|
||||
if (test_bit(S390_FEAT_MSA_EXT_8, features)) {
|
||||
s390_add_from_feat_block(features, S390_FEAT_TYPE_KMA, prop.kma);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -2470,6 +2538,10 @@ static int configure_cpu_subfunc(const S390FeatBitmap features)
|
|||
s390_fill_feat_block(features, S390_FEAT_TYPE_PPNO, prop.ppno);
|
||||
prop.ppno[0] |= 0x80; /* query is always available */
|
||||
}
|
||||
if (test_bit(S390_FEAT_MSA_EXT_8, features)) {
|
||||
s390_fill_feat_block(features, S390_FEAT_TYPE_KMA, prop.kma);
|
||||
prop.kma[0] |= 0x80; /* query is always available */
|
||||
}
|
||||
return kvm_vm_ioctl(kvm_state, KVM_SET_DEVICE_ATTR, &attr);
|
||||
}
|
||||
|
||||
|
|
@ -2487,6 +2559,7 @@ static int kvm_to_feat[][2] = {
|
|||
{ KVM_S390_VM_CPU_FEAT_CMMA, S390_FEAT_SIE_CMMA },
|
||||
{ KVM_S390_VM_CPU_FEAT_PFMFI, S390_FEAT_SIE_PFMFI},
|
||||
{ KVM_S390_VM_CPU_FEAT_SIGPIF, S390_FEAT_SIE_SIGPIF},
|
||||
{ KVM_S390_VM_CPU_FEAT_KSS, S390_FEAT_SIE_KSS},
|
||||
};
|
||||
|
||||
static int query_cpu_feat(S390FeatBitmap features)
|
||||
|
|
@ -2606,8 +2679,15 @@ void kvm_s390_get_host_cpu_model(S390CPUModel *model, Error **errp)
|
|||
/* with cpu model support, CMM is only indicated if really available */
|
||||
if (kvm_s390_cmma_available()) {
|
||||
set_bit(S390_FEAT_CMM, model->features);
|
||||
} else {
|
||||
/* no cmm -> no cmm nt */
|
||||
clear_bit(S390_FEAT_CMM_NT, model->features);
|
||||
}
|
||||
|
||||
/* set zpci and aen facilities */
|
||||
set_bit(S390_FEAT_ZPCI, model->features);
|
||||
set_bit(S390_FEAT_ADAPTER_EVENT_NOTIFICATION, model->features);
|
||||
|
||||
if (s390_known_cpu_type(cpu_type)) {
|
||||
/* we want the exact model, even if some features are missing */
|
||||
model->def = s390_find_cpu_def(cpu_type, ibc_gen(unblocked_ibc),
|
||||
|
|
@ -2641,7 +2721,7 @@ void kvm_s390_apply_cpu_model(const S390CPUModel *model, Error **errp)
|
|||
|
||||
if (!model) {
|
||||
/* compatibility handling if cpu models are disabled */
|
||||
if (kvm_s390_cmma_available() && !mem_path) {
|
||||
if (kvm_s390_cmma_available()) {
|
||||
kvm_s390_enable_cmma();
|
||||
}
|
||||
return;
|
||||
|
|
@ -2672,13 +2752,8 @@ void kvm_s390_apply_cpu_model(const S390CPUModel *model, Error **errp)
|
|||
error_setg(errp, "KVM: Error configuring CPU subfunctions: %d", rc);
|
||||
return;
|
||||
}
|
||||
/* enable CMM via CMMA - disable on hugetlbfs */
|
||||
/* enable CMM via CMMA */
|
||||
if (test_bit(S390_FEAT_CMM, model->features)) {
|
||||
if (mem_path) {
|
||||
warn_report("CMM will not be enabled because it is not "
|
||||
"compatible to hugetlbfs.");
|
||||
} else {
|
||||
kvm_s390_enable_cmma();
|
||||
}
|
||||
kvm_s390_enable_cmma();
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -174,6 +174,22 @@ const VMStateDescription vmstate_exval = {
|
|||
}
|
||||
};
|
||||
|
||||
static bool gscb_needed(void *opaque)
|
||||
{
|
||||
return kvm_s390_get_gs();
|
||||
}
|
||||
|
||||
const VMStateDescription vmstate_gscb = {
|
||||
.name = "cpu/gscb",
|
||||
.version_id = 1,
|
||||
.minimum_version_id = 1,
|
||||
.needed = gscb_needed,
|
||||
.fields = (VMStateField[]) {
|
||||
VMSTATE_UINT64_ARRAY(env.gscb, S390CPU, 4),
|
||||
VMSTATE_END_OF_LIST()
|
||||
}
|
||||
};
|
||||
|
||||
const VMStateDescription vmstate_s390_cpu = {
|
||||
.name = "cpu",
|
||||
.post_load = cpu_post_load,
|
||||
|
|
@ -207,6 +223,7 @@ const VMStateDescription vmstate_s390_cpu = {
|
|||
&vmstate_vregs,
|
||||
&vmstate_riccb,
|
||||
&vmstate_exval,
|
||||
&vmstate_gscb,
|
||||
NULL
|
||||
},
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue