-----BEGIN PGP SIGNATURE----- iQFDBAABCAAtFiEEe3O61ovnosKJMUsicBtPaxppPlkFAlkSvwIPHG1qdEB0bHMu bXNrLnJ1AAoJEHAbT2saaT5Zys4IAMZLWicv1c7O3m1ajmmg7iGfRbsajcx9FSBi NxdrqG3zgV10gz8/R7goMYGkeFs8MAoDfagbBkXgwFgA31M+ecOe93XyoOQLpe9/ 43fx2u8exVdruIb60F5yDEd51RLwK2C4Iz7SVNRoVWMqDcMOCuC+WBog+AbTB0V+ 19RjhKStMyXMXPYVO0bLhQIcH+ixFLUljbpwDvz5FKor5NqGG+FzHjmwYciiTbr3 o7Z3OIMWT7rDr9V5/553miiNP9ufG3fJreMyXDrTkFRVmDZaqRBp+tvdrYcb77ed /DDxC5vafgCRzwsrmCIsIQXV0janFGDQiqbR+hzBMBG1RTRoBiM= =AAfU -----END PGP SIGNATURE----- Merge remote-tracking branch 'mjt/tags/trivial-patches-fetch' into staging trivial patches for 2017-05-10 # gpg: Signature made Wed 10 May 2017 03:19:30 AM EDT # gpg: using RSA key 0x701B4F6B1A693E59 # gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>" # gpg: aka "Michael Tokarev <mjt@corpit.ru>" # gpg: aka "Michael Tokarev <mjt@debian.org>" # Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D 4324 457C E0A0 8044 65C5 # Subkey fingerprint: 7B73 BAD6 8BE7 A2C2 8931 4B22 701B 4F6B 1A69 3E59 * mjt/tags/trivial-patches-fetch: (23 commits) tests: Remove redundant assignment MAINTAINERS: Update paths for AioContext implementation MAINTAINERS: Update paths for main loop jazz_led: fix bad snprintf tests: Ignore another built executable (test-hmp) scripts: Switch to more portable Perl shebang scripts/qemu-binfmt-conf.sh: Fix shell portability issue virtfs: allow a device id to be specified in the -virtfs option hw/core/generic-loader: Fix crash when running without CPU virtio-blk: Remove useless condition around g_free() qemu-doc: Fix broken URLs of amnhltm.zip and dosidle210.zip use _Static_assert in QEMU_BUILD_BUG_ON channel-file: fix wrong parameter comments block: Make 'replication_state' an enum util: Use g_malloc/g_free in envlist.c qga: fix compiler warnings (clang 5) device_tree: fix compiler warnings (clang 5) usb-ccid: make ccid_write_data_block() cope with null buffers tests: Ignore more test executables Add 'none' as type for drive's if option ... Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
648 lines
21 KiB
C
648 lines
21 KiB
C
/*
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* SCLP Support
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*
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* Copyright IBM, Corp. 2012
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*
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* Authors:
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* Christian Borntraeger <borntraeger@de.ibm.com>
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* Heinz Graalfs <graalfs@linux.vnet.ibm.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or (at your
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* option) any later version. See the COPYING file in the top-level directory.
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*
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "cpu.h"
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#include "sysemu/kvm.h"
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#include "exec/memory.h"
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#include "sysemu/sysemu.h"
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#include "exec/address-spaces.h"
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#include "hw/boards.h"
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#include "hw/s390x/sclp.h"
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#include "hw/s390x/event-facility.h"
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#include "hw/s390x/s390-pci-bus.h"
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#include "hw/s390x/ipl.h"
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static inline SCLPDevice *get_sclp_device(void)
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{
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static SCLPDevice *sclp;
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if (!sclp) {
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sclp = SCLP(object_resolve_path_type("", TYPE_SCLP, NULL));
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}
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return sclp;
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}
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static void prepare_cpu_entries(SCLPDevice *sclp, CPUEntry *entry, int count)
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{
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uint8_t features[SCCB_CPU_FEATURE_LEN] = { 0 };
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int i;
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s390_get_feat_block(S390_FEAT_TYPE_SCLP_CPU, features);
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for (i = 0; i < count; i++) {
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entry[i].address = i;
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entry[i].type = 0;
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memcpy(entry[i].features, features, sizeof(entry[i].features));
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}
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}
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/* Provide information about the configuration, CPUs and storage */
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static void read_SCP_info(SCLPDevice *sclp, SCCB *sccb)
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{
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ReadInfo *read_info = (ReadInfo *) sccb;
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MachineState *machine = MACHINE(qdev_get_machine());
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sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
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CPUState *cpu;
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int cpu_count = 0;
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int rnsize, rnmax;
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int slots = MIN(machine->ram_slots, s390_get_memslot_count(kvm_state));
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IplParameterBlock *ipib = s390_ipl_get_iplb();
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CPU_FOREACH(cpu) {
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cpu_count++;
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}
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/* CPU information */
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read_info->entries_cpu = cpu_to_be16(cpu_count);
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read_info->offset_cpu = cpu_to_be16(offsetof(ReadInfo, entries));
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read_info->highest_cpu = cpu_to_be16(max_cpus);
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read_info->ibc_val = cpu_to_be32(s390_get_ibc_val());
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/* Configuration Characteristic (Extension) */
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s390_get_feat_block(S390_FEAT_TYPE_SCLP_CONF_CHAR,
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read_info->conf_char);
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s390_get_feat_block(S390_FEAT_TYPE_SCLP_CONF_CHAR_EXT,
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read_info->conf_char_ext);
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prepare_cpu_entries(sclp, read_info->entries, cpu_count);
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read_info->facilities = cpu_to_be64(SCLP_HAS_CPU_INFO |
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SCLP_HAS_PCI_RECONFIG);
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/* Memory Hotplug is only supported for the ccw machine type */
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if (mhd) {
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mhd->standby_subregion_size = MEM_SECTION_SIZE;
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/* Deduct the memory slot already used for core */
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if (slots > 0) {
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while ((mhd->standby_subregion_size * (slots - 1)
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< mhd->standby_mem_size)) {
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mhd->standby_subregion_size = mhd->standby_subregion_size << 1;
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}
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}
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/*
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* Initialize mapping of guest standby memory sections indicating which
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* are and are not online. Assume all standby memory begins offline.
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*/
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if (mhd->standby_state_map == 0) {
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if (mhd->standby_mem_size % mhd->standby_subregion_size) {
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mhd->standby_state_map = g_malloc0((mhd->standby_mem_size /
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mhd->standby_subregion_size + 1) *
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(mhd->standby_subregion_size /
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MEM_SECTION_SIZE));
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} else {
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mhd->standby_state_map = g_malloc0(mhd->standby_mem_size /
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MEM_SECTION_SIZE);
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}
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}
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mhd->padded_ram_size = ram_size + mhd->pad_size;
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mhd->rzm = 1 << mhd->increment_size;
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read_info->facilities |= cpu_to_be64(SCLP_FC_ASSIGN_ATTACH_READ_STOR);
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}
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read_info->mha_pow = s390_get_mha_pow();
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read_info->hmfai = cpu_to_be32(s390_get_hmfai());
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rnsize = 1 << (sclp->increment_size - 20);
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if (rnsize <= 128) {
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read_info->rnsize = rnsize;
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} else {
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read_info->rnsize = 0;
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read_info->rnsize2 = cpu_to_be32(rnsize);
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}
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rnmax = machine->maxram_size >> sclp->increment_size;
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if (rnmax < 0x10000) {
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read_info->rnmax = cpu_to_be16(rnmax);
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} else {
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read_info->rnmax = cpu_to_be16(0);
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read_info->rnmax2 = cpu_to_be64(rnmax);
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}
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if (ipib && ipib->flags & DIAG308_FLAGS_LP_VALID) {
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memcpy(&read_info->loadparm, &ipib->loadparm,
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sizeof(read_info->loadparm));
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} else {
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s390_ipl_set_loadparm(read_info->loadparm);
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}
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sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_READ_COMPLETION);
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}
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static void read_storage_element0_info(SCLPDevice *sclp, SCCB *sccb)
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{
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int i, assigned;
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int subincrement_id = SCLP_STARTING_SUBINCREMENT_ID;
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ReadStorageElementInfo *storage_info = (ReadStorageElementInfo *) sccb;
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sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
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if (!mhd) {
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sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_SCLP_COMMAND);
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return;
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}
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if ((ram_size >> mhd->increment_size) >= 0x10000) {
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sccb->h.response_code = cpu_to_be16(SCLP_RC_SCCB_BOUNDARY_VIOLATION);
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return;
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}
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/* Return information regarding core memory */
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storage_info->max_id = cpu_to_be16(mhd->standby_mem_size ? 1 : 0);
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assigned = ram_size >> mhd->increment_size;
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storage_info->assigned = cpu_to_be16(assigned);
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for (i = 0; i < assigned; i++) {
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storage_info->entries[i] = cpu_to_be32(subincrement_id);
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subincrement_id += SCLP_INCREMENT_UNIT;
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}
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sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_READ_COMPLETION);
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}
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static void read_storage_element1_info(SCLPDevice *sclp, SCCB *sccb)
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{
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ReadStorageElementInfo *storage_info = (ReadStorageElementInfo *) sccb;
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sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
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if (!mhd) {
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sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_SCLP_COMMAND);
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return;
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}
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if ((mhd->standby_mem_size >> mhd->increment_size) >= 0x10000) {
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sccb->h.response_code = cpu_to_be16(SCLP_RC_SCCB_BOUNDARY_VIOLATION);
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return;
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}
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/* Return information regarding standby memory */
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storage_info->max_id = cpu_to_be16(mhd->standby_mem_size ? 1 : 0);
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storage_info->assigned = cpu_to_be16(mhd->standby_mem_size >>
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mhd->increment_size);
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storage_info->standby = cpu_to_be16(mhd->standby_mem_size >>
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mhd->increment_size);
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sccb->h.response_code = cpu_to_be16(SCLP_RC_STANDBY_READ_COMPLETION);
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}
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static void attach_storage_element(SCLPDevice *sclp, SCCB *sccb,
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uint16_t element)
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{
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int i, assigned, subincrement_id;
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AttachStorageElement *attach_info = (AttachStorageElement *) sccb;
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sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
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if (!mhd) {
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sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_SCLP_COMMAND);
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return;
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}
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if (element != 1) {
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sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_SCLP_COMMAND);
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return;
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}
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assigned = mhd->standby_mem_size >> mhd->increment_size;
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attach_info->assigned = cpu_to_be16(assigned);
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subincrement_id = ((ram_size >> mhd->increment_size) << 16)
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+ SCLP_STARTING_SUBINCREMENT_ID;
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for (i = 0; i < assigned; i++) {
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attach_info->entries[i] = cpu_to_be32(subincrement_id);
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subincrement_id += SCLP_INCREMENT_UNIT;
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}
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sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_COMPLETION);
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}
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static void assign_storage(SCLPDevice *sclp, SCCB *sccb)
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{
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MemoryRegion *mr = NULL;
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uint64_t this_subregion_size;
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AssignStorage *assign_info = (AssignStorage *) sccb;
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sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
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ram_addr_t assign_addr;
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MemoryRegion *sysmem = get_system_memory();
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if (!mhd) {
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sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_SCLP_COMMAND);
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return;
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}
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assign_addr = (assign_info->rn - 1) * mhd->rzm;
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if ((assign_addr % MEM_SECTION_SIZE == 0) &&
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(assign_addr >= mhd->padded_ram_size)) {
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/* Re-use existing memory region if found */
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mr = memory_region_find(sysmem, assign_addr, 1).mr;
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memory_region_unref(mr);
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if (!mr) {
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MemoryRegion *standby_ram = g_new(MemoryRegion, 1);
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/* offset to align to standby_subregion_size for allocation */
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ram_addr_t offset = assign_addr -
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(assign_addr - mhd->padded_ram_size)
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% mhd->standby_subregion_size;
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/* strlen("standby.ram") + 4 (Max of KVM_MEMORY_SLOTS) + NULL */
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char id[16];
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snprintf(id, 16, "standby.ram%d",
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(int)((offset - mhd->padded_ram_size) /
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mhd->standby_subregion_size) + 1);
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/* Allocate a subregion of the calculated standby_subregion_size */
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if (offset + mhd->standby_subregion_size >
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mhd->padded_ram_size + mhd->standby_mem_size) {
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this_subregion_size = mhd->padded_ram_size +
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mhd->standby_mem_size - offset;
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} else {
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this_subregion_size = mhd->standby_subregion_size;
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}
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memory_region_init_ram(standby_ram, NULL, id, this_subregion_size,
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&error_fatal);
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/* This is a hack to make memory hotunplug work again. Once we have
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* subdevices, we have to unparent them when unassigning memory,
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* instead of doing it via the ref count of the MemoryRegion. */
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object_ref(OBJECT(standby_ram));
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object_unparent(OBJECT(standby_ram));
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vmstate_register_ram_global(standby_ram);
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memory_region_add_subregion(sysmem, offset, standby_ram);
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}
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/* The specified subregion is no longer in standby */
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mhd->standby_state_map[(assign_addr - mhd->padded_ram_size)
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/ MEM_SECTION_SIZE] = 1;
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}
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sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_COMPLETION);
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}
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static void unassign_storage(SCLPDevice *sclp, SCCB *sccb)
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{
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MemoryRegion *mr = NULL;
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AssignStorage *assign_info = (AssignStorage *) sccb;
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sclpMemoryHotplugDev *mhd = get_sclp_memory_hotplug_dev();
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ram_addr_t unassign_addr;
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MemoryRegion *sysmem = get_system_memory();
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if (!mhd) {
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sccb->h.response_code = cpu_to_be16(SCLP_RC_INVALID_SCLP_COMMAND);
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return;
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}
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unassign_addr = (assign_info->rn - 1) * mhd->rzm;
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/* if the addr is a multiple of 256 MB */
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if ((unassign_addr % MEM_SECTION_SIZE == 0) &&
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(unassign_addr >= mhd->padded_ram_size)) {
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mhd->standby_state_map[(unassign_addr -
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mhd->padded_ram_size) / MEM_SECTION_SIZE] = 0;
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/* find the specified memory region and destroy it */
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mr = memory_region_find(sysmem, unassign_addr, 1).mr;
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memory_region_unref(mr);
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if (mr) {
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int i;
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int is_removable = 1;
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ram_addr_t map_offset = (unassign_addr - mhd->padded_ram_size -
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(unassign_addr - mhd->padded_ram_size)
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% mhd->standby_subregion_size);
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/* Mark all affected subregions as 'standby' once again */
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for (i = 0;
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i < (mhd->standby_subregion_size / MEM_SECTION_SIZE);
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i++) {
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if (mhd->standby_state_map[i + map_offset / MEM_SECTION_SIZE]) {
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is_removable = 0;
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break;
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}
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}
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if (is_removable) {
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memory_region_del_subregion(sysmem, mr);
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object_unref(OBJECT(mr));
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}
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}
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}
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sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_COMPLETION);
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}
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/* Provide information about the CPU */
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static void sclp_read_cpu_info(SCLPDevice *sclp, SCCB *sccb)
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{
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ReadCpuInfo *cpu_info = (ReadCpuInfo *) sccb;
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CPUState *cpu;
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int cpu_count = 0;
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CPU_FOREACH(cpu) {
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cpu_count++;
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}
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cpu_info->nr_configured = cpu_to_be16(cpu_count);
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cpu_info->offset_configured = cpu_to_be16(offsetof(ReadCpuInfo, entries));
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cpu_info->nr_standby = cpu_to_be16(0);
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/* The standby offset is 16-byte for each CPU */
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cpu_info->offset_standby = cpu_to_be16(cpu_info->offset_configured
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+ cpu_info->nr_configured*sizeof(CPUEntry));
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prepare_cpu_entries(sclp, cpu_info->entries, cpu_count);
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sccb->h.response_code = cpu_to_be16(SCLP_RC_NORMAL_READ_COMPLETION);
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}
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static void sclp_execute(SCLPDevice *sclp, SCCB *sccb, uint32_t code)
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{
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SCLPDeviceClass *sclp_c = SCLP_GET_CLASS(sclp);
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SCLPEventFacility *ef = sclp->event_facility;
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SCLPEventFacilityClass *efc = EVENT_FACILITY_GET_CLASS(ef);
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switch (code & SCLP_CMD_CODE_MASK) {
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case SCLP_CMDW_READ_SCP_INFO:
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case SCLP_CMDW_READ_SCP_INFO_FORCED:
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sclp_c->read_SCP_info(sclp, sccb);
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break;
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case SCLP_CMDW_READ_CPU_INFO:
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sclp_c->read_cpu_info(sclp, sccb);
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break;
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case SCLP_READ_STORAGE_ELEMENT_INFO:
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if (code & 0xff00) {
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sclp_c->read_storage_element1_info(sclp, sccb);
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} else {
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sclp_c->read_storage_element0_info(sclp, sccb);
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}
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break;
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case SCLP_ATTACH_STORAGE_ELEMENT:
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sclp_c->attach_storage_element(sclp, sccb, (code & 0xff00) >> 8);
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break;
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case SCLP_ASSIGN_STORAGE:
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sclp_c->assign_storage(sclp, sccb);
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break;
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case SCLP_UNASSIGN_STORAGE:
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sclp_c->unassign_storage(sclp, sccb);
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break;
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case SCLP_CMDW_CONFIGURE_PCI:
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s390_pci_sclp_configure(sccb);
|
|
break;
|
|
case SCLP_CMDW_DECONFIGURE_PCI:
|
|
s390_pci_sclp_deconfigure(sccb);
|
|
break;
|
|
default:
|
|
efc->command_handler(ef, sccb, code);
|
|
break;
|
|
}
|
|
}
|
|
|
|
int sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code)
|
|
{
|
|
SCLPDevice *sclp = get_sclp_device();
|
|
SCLPDeviceClass *sclp_c = SCLP_GET_CLASS(sclp);
|
|
int r = 0;
|
|
SCCB work_sccb;
|
|
|
|
hwaddr sccb_len = sizeof(SCCB);
|
|
|
|
/* first some basic checks on program checks */
|
|
if (env->psw.mask & PSW_MASK_PSTATE) {
|
|
r = -PGM_PRIVILEGED;
|
|
goto out;
|
|
}
|
|
if (cpu_physical_memory_is_io(sccb)) {
|
|
r = -PGM_ADDRESSING;
|
|
goto out;
|
|
}
|
|
if ((sccb & ~0x1fffUL) == 0 || (sccb & ~0x1fffUL) == env->psa
|
|
|| (sccb & ~0x7ffffff8UL) != 0) {
|
|
r = -PGM_SPECIFICATION;
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* we want to work on a private copy of the sccb, to prevent guests
|
|
* from playing dirty tricks by modifying the memory content after
|
|
* the host has checked the values
|
|
*/
|
|
cpu_physical_memory_read(sccb, &work_sccb, sccb_len);
|
|
|
|
/* Valid sccb sizes */
|
|
if (be16_to_cpu(work_sccb.h.length) < sizeof(SCCBHeader) ||
|
|
be16_to_cpu(work_sccb.h.length) > SCCB_SIZE) {
|
|
r = -PGM_SPECIFICATION;
|
|
goto out;
|
|
}
|
|
|
|
sclp_c->execute(sclp, &work_sccb, code);
|
|
|
|
cpu_physical_memory_write(sccb, &work_sccb,
|
|
be16_to_cpu(work_sccb.h.length));
|
|
|
|
sclp_c->service_interrupt(sclp, sccb);
|
|
|
|
out:
|
|
return r;
|
|
}
|
|
|
|
static void service_interrupt(SCLPDevice *sclp, uint32_t sccb)
|
|
{
|
|
SCLPEventFacility *ef = sclp->event_facility;
|
|
SCLPEventFacilityClass *efc = EVENT_FACILITY_GET_CLASS(ef);
|
|
|
|
uint32_t param = sccb & ~3;
|
|
|
|
/* Indicate whether an event is still pending */
|
|
param |= efc->event_pending(ef) ? 1 : 0;
|
|
|
|
if (!param) {
|
|
/* No need to send an interrupt, there's nothing to be notified about */
|
|
return;
|
|
}
|
|
s390_sclp_extint(param);
|
|
}
|
|
|
|
void sclp_service_interrupt(uint32_t sccb)
|
|
{
|
|
SCLPDevice *sclp = get_sclp_device();
|
|
SCLPDeviceClass *sclp_c = SCLP_GET_CLASS(sclp);
|
|
|
|
sclp_c->service_interrupt(sclp, sccb);
|
|
}
|
|
|
|
/* qemu object creation and initialization functions */
|
|
|
|
void s390_sclp_init(void)
|
|
{
|
|
Object *new = object_new(TYPE_SCLP);
|
|
|
|
object_property_add_child(qdev_get_machine(), TYPE_SCLP, new,
|
|
NULL);
|
|
object_unref(OBJECT(new));
|
|
qdev_init_nofail(DEVICE(new));
|
|
}
|
|
|
|
static void sclp_realize(DeviceState *dev, Error **errp)
|
|
{
|
|
MachineState *machine = MACHINE(qdev_get_machine());
|
|
SCLPDevice *sclp = SCLP(dev);
|
|
Error *err = NULL;
|
|
uint64_t hw_limit;
|
|
int ret;
|
|
|
|
object_property_set_bool(OBJECT(sclp->event_facility), true, "realized",
|
|
&err);
|
|
if (err) {
|
|
goto out;
|
|
}
|
|
/*
|
|
* qdev_device_add searches the sysbus for TYPE_SCLP_EVENTS_BUS. As long
|
|
* as we can't find a fitting bus via the qom tree, we have to add the
|
|
* event facility to the sysbus, so e.g. a sclp console can be created.
|
|
*/
|
|
qdev_set_parent_bus(DEVICE(sclp->event_facility), sysbus_get_default());
|
|
|
|
ret = s390_set_memory_limit(machine->maxram_size, &hw_limit);
|
|
if (ret == -E2BIG) {
|
|
error_setg(&err, "host supports a maximum of %" PRIu64 " GB",
|
|
hw_limit >> 30);
|
|
} else if (ret) {
|
|
error_setg(&err, "setting the guest size failed");
|
|
}
|
|
|
|
out:
|
|
error_propagate(errp, err);
|
|
}
|
|
|
|
static void sclp_memory_init(SCLPDevice *sclp)
|
|
{
|
|
MachineState *machine = MACHINE(qdev_get_machine());
|
|
ram_addr_t initial_mem = machine->ram_size;
|
|
ram_addr_t max_mem = machine->maxram_size;
|
|
ram_addr_t standby_mem = max_mem - initial_mem;
|
|
ram_addr_t pad_mem = 0;
|
|
int increment_size = 20;
|
|
|
|
/* The storage increment size is a multiple of 1M and is a power of 2.
|
|
* The number of storage increments must be MAX_STORAGE_INCREMENTS or fewer.
|
|
* The variable 'increment_size' is an exponent of 2 that can be
|
|
* used to calculate the size (in bytes) of an increment. */
|
|
while ((initial_mem >> increment_size) > MAX_STORAGE_INCREMENTS) {
|
|
increment_size++;
|
|
}
|
|
if (machine->ram_slots) {
|
|
while ((standby_mem >> increment_size) > MAX_STORAGE_INCREMENTS) {
|
|
increment_size++;
|
|
}
|
|
}
|
|
sclp->increment_size = increment_size;
|
|
|
|
/* The core and standby memory areas need to be aligned with
|
|
* the increment size. In effect, this can cause the
|
|
* user-specified memory size to be rounded down to align
|
|
* with the nearest increment boundary. */
|
|
initial_mem = initial_mem >> increment_size << increment_size;
|
|
standby_mem = standby_mem >> increment_size << increment_size;
|
|
|
|
/* If the size of ram is not on a MEM_SECTION_SIZE boundary,
|
|
calculate the pad size necessary to force this boundary. */
|
|
if (machine->ram_slots && standby_mem) {
|
|
sclpMemoryHotplugDev *mhd = init_sclp_memory_hotplug_dev();
|
|
|
|
if (initial_mem % MEM_SECTION_SIZE) {
|
|
pad_mem = MEM_SECTION_SIZE - initial_mem % MEM_SECTION_SIZE;
|
|
}
|
|
mhd->increment_size = increment_size;
|
|
mhd->pad_size = pad_mem;
|
|
mhd->standby_mem_size = standby_mem;
|
|
}
|
|
machine->ram_size = initial_mem;
|
|
machine->maxram_size = initial_mem + pad_mem + standby_mem;
|
|
/* let's propagate the changed ram size into the global variable. */
|
|
ram_size = initial_mem;
|
|
}
|
|
|
|
static void sclp_init(Object *obj)
|
|
{
|
|
SCLPDevice *sclp = SCLP(obj);
|
|
Object *new;
|
|
|
|
new = object_new(TYPE_SCLP_EVENT_FACILITY);
|
|
object_property_add_child(obj, TYPE_SCLP_EVENT_FACILITY, new, NULL);
|
|
object_unref(new);
|
|
sclp->event_facility = EVENT_FACILITY(new);
|
|
|
|
sclp_memory_init(sclp);
|
|
}
|
|
|
|
static void sclp_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
SCLPDeviceClass *sc = SCLP_CLASS(oc);
|
|
DeviceClass *dc = DEVICE_CLASS(oc);
|
|
|
|
dc->desc = "SCLP (Service-Call Logical Processor)";
|
|
dc->realize = sclp_realize;
|
|
dc->hotpluggable = false;
|
|
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
|
|
|
|
sc->read_SCP_info = read_SCP_info;
|
|
sc->read_storage_element0_info = read_storage_element0_info;
|
|
sc->read_storage_element1_info = read_storage_element1_info;
|
|
sc->attach_storage_element = attach_storage_element;
|
|
sc->assign_storage = assign_storage;
|
|
sc->unassign_storage = unassign_storage;
|
|
sc->read_cpu_info = sclp_read_cpu_info;
|
|
sc->execute = sclp_execute;
|
|
sc->service_interrupt = service_interrupt;
|
|
}
|
|
|
|
static TypeInfo sclp_info = {
|
|
.name = TYPE_SCLP,
|
|
.parent = TYPE_DEVICE,
|
|
.instance_init = sclp_init,
|
|
.instance_size = sizeof(SCLPDevice),
|
|
.class_init = sclp_class_init,
|
|
.class_size = sizeof(SCLPDeviceClass),
|
|
};
|
|
|
|
sclpMemoryHotplugDev *init_sclp_memory_hotplug_dev(void)
|
|
{
|
|
DeviceState *dev;
|
|
dev = qdev_create(NULL, TYPE_SCLP_MEMORY_HOTPLUG_DEV);
|
|
object_property_add_child(qdev_get_machine(),
|
|
TYPE_SCLP_MEMORY_HOTPLUG_DEV,
|
|
OBJECT(dev), NULL);
|
|
qdev_init_nofail(dev);
|
|
return SCLP_MEMORY_HOTPLUG_DEV(object_resolve_path(
|
|
TYPE_SCLP_MEMORY_HOTPLUG_DEV, NULL));
|
|
}
|
|
|
|
sclpMemoryHotplugDev *get_sclp_memory_hotplug_dev(void)
|
|
{
|
|
return SCLP_MEMORY_HOTPLUG_DEV(object_resolve_path(
|
|
TYPE_SCLP_MEMORY_HOTPLUG_DEV, NULL));
|
|
}
|
|
|
|
static void sclp_memory_hotplug_dev_class_init(ObjectClass *klass,
|
|
void *data)
|
|
{
|
|
DeviceClass *dc = DEVICE_CLASS(klass);
|
|
|
|
set_bit(DEVICE_CATEGORY_MISC, dc->categories);
|
|
}
|
|
|
|
static TypeInfo sclp_memory_hotplug_dev_info = {
|
|
.name = TYPE_SCLP_MEMORY_HOTPLUG_DEV,
|
|
.parent = TYPE_SYS_BUS_DEVICE,
|
|
.instance_size = sizeof(sclpMemoryHotplugDev),
|
|
.class_init = sclp_memory_hotplug_dev_class_init,
|
|
};
|
|
|
|
static void register_types(void)
|
|
{
|
|
type_register_static(&sclp_memory_hotplug_dev_info);
|
|
type_register_static(&sclp_info);
|
|
}
|
|
type_init(register_types);
|