Adding qemu as a submodule of KVMFORNFV

This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>

1 files changed, 0 insertions, 833 deletions

diff --git a/qemu/target-s390x/ioinst.c b/qemu/target-s390x/ioinst.c
deleted file mode 100644
index 142ff9384..000000000
--- a/qemu/target-s390x/ioinst.c
+++ /dev/null
@@ -1,833 +0,0 @@
-/*
- * I/O instructions for S/390
- *
- * Copyright 2012, 2015 IBM Corp.
- * Author(s): Cornelia Huck <cornelia.huck@de.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 "cpu.h"
-#include "ioinst.h"
-#include "trace.h"
-#include "hw/s390x/s390-pci-bus.h"
-
-int ioinst_disassemble_sch_ident(uint32_t value, int *m, int *cssid, int *ssid,
-                                 int *schid)
-{
-    if (!IOINST_SCHID_ONE(value)) {
-        return -EINVAL;
-    }
-    if (!IOINST_SCHID_M(value)) {
-        if (IOINST_SCHID_CSSID(value)) {
-            return -EINVAL;
-        }
-        *cssid = 0;
-        *m = 0;
-    } else {
-        *cssid = IOINST_SCHID_CSSID(value);
-        *m = 1;
-    }
-    *ssid = IOINST_SCHID_SSID(value);
-    *schid = IOINST_SCHID_NR(value);
-    return 0;
-}
-
-void ioinst_handle_xsch(S390CPU *cpu, uint64_t reg1)
-{
-    int cssid, ssid, schid, m;
-    SubchDev *sch;
-    int ret = -ENODEV;
-    int cc;
-
-    if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
-        program_interrupt(&cpu->env, PGM_OPERAND, 2);
-        return;
-    }
-    trace_ioinst_sch_id("xsch", cssid, ssid, schid);
-    sch = css_find_subch(m, cssid, ssid, schid);
-    if (sch && css_subch_visible(sch)) {
-        ret = css_do_xsch(sch);
-    }
-    switch (ret) {
-    case -ENODEV:
-        cc = 3;
-        break;
-    case -EBUSY:
-        cc = 2;
-        break;
-    case 0:
-        cc = 0;
-        break;
-    default:
-        cc = 1;
-        break;
-    }
-    setcc(cpu, cc);
-}
-
-void ioinst_handle_csch(S390CPU *cpu, uint64_t reg1)
-{
-    int cssid, ssid, schid, m;
-    SubchDev *sch;
-    int ret = -ENODEV;
-    int cc;
-
-    if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
-        program_interrupt(&cpu->env, PGM_OPERAND, 2);
-        return;
-    }
-    trace_ioinst_sch_id("csch", cssid, ssid, schid);
-    sch = css_find_subch(m, cssid, ssid, schid);
-    if (sch && css_subch_visible(sch)) {
-        ret = css_do_csch(sch);
-    }
-    if (ret == -ENODEV) {
-        cc = 3;
-    } else {
-        cc = 0;
-    }
-    setcc(cpu, cc);
-}
-
-void ioinst_handle_hsch(S390CPU *cpu, uint64_t reg1)
-{
-    int cssid, ssid, schid, m;
-    SubchDev *sch;
-    int ret = -ENODEV;
-    int cc;
-
-    if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
-        program_interrupt(&cpu->env, PGM_OPERAND, 2);
-        return;
-    }
-    trace_ioinst_sch_id("hsch", cssid, ssid, schid);
-    sch = css_find_subch(m, cssid, ssid, schid);
-    if (sch && css_subch_visible(sch)) {
-        ret = css_do_hsch(sch);
-    }
-    switch (ret) {
-    case -ENODEV:
-        cc = 3;
-        break;
-    case -EBUSY:
-        cc = 2;
-        break;
-    case 0:
-        cc = 0;
-        break;
-    default:
-        cc = 1;
-        break;
-    }
-    setcc(cpu, cc);
-}
-
-static int ioinst_schib_valid(SCHIB *schib)
-{
-    if ((be16_to_cpu(schib->pmcw.flags) & PMCW_FLAGS_MASK_INVALID) ||
-        (be32_to_cpu(schib->pmcw.chars) & PMCW_CHARS_MASK_INVALID)) {
-        return 0;
-    }
-    /* Disallow extended measurements for now. */
-    if (be32_to_cpu(schib->pmcw.chars) & PMCW_CHARS_MASK_XMWME) {
-        return 0;
-    }
-    return 1;
-}
-
-void ioinst_handle_msch(S390CPU *cpu, uint64_t reg1, uint32_t ipb)
-{
-    int cssid, ssid, schid, m;
-    SubchDev *sch;
-    SCHIB schib;
-    uint64_t addr;
-    int ret = -ENODEV;
-    int cc;
-    CPUS390XState *env = &cpu->env;
-    uint8_t ar;
-
-    addr = decode_basedisp_s(env, ipb, &ar);
-    if (addr & 3) {
-        program_interrupt(env, PGM_SPECIFICATION, 2);
-        return;
-    }
-    if (s390_cpu_virt_mem_read(cpu, addr, ar, &schib, sizeof(schib))) {
-        return;
-    }
-    if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid) ||
-        !ioinst_schib_valid(&schib)) {
-        program_interrupt(env, PGM_OPERAND, 2);
-        return;
-    }
-    trace_ioinst_sch_id("msch", cssid, ssid, schid);
-    sch = css_find_subch(m, cssid, ssid, schid);
-    if (sch && css_subch_visible(sch)) {
-        ret = css_do_msch(sch, &schib);
-    }
-    switch (ret) {
-    case -ENODEV:
-        cc = 3;
-        break;
-    case -EBUSY:
-        cc = 2;
-        break;
-    case 0:
-        cc = 0;
-        break;
-    default:
-        cc = 1;
-        break;
-    }
-    setcc(cpu, cc);
-}
-
-static void copy_orb_from_guest(ORB *dest, const ORB *src)
-{
-    dest->intparm = be32_to_cpu(src->intparm);
-    dest->ctrl0 = be16_to_cpu(src->ctrl0);
-    dest->lpm = src->lpm;
-    dest->ctrl1 = src->ctrl1;
-    dest->cpa = be32_to_cpu(src->cpa);
-}
-
-static int ioinst_orb_valid(ORB *orb)
-{
-    if ((orb->ctrl0 & ORB_CTRL0_MASK_INVALID) ||
-        (orb->ctrl1 & ORB_CTRL1_MASK_INVALID)) {
-        return 0;
-    }
-    if ((orb->cpa & HIGH_ORDER_BIT) != 0) {
-        return 0;
-    }
-    return 1;
-}
-
-void ioinst_handle_ssch(S390CPU *cpu, uint64_t reg1, uint32_t ipb)
-{
-    int cssid, ssid, schid, m;
-    SubchDev *sch;
-    ORB orig_orb, orb;
-    uint64_t addr;
-    int ret = -ENODEV;
-    int cc;
-    CPUS390XState *env = &cpu->env;
-    uint8_t ar;
-
-    addr = decode_basedisp_s(env, ipb, &ar);
-    if (addr & 3) {
-        program_interrupt(env, PGM_SPECIFICATION, 2);
-        return;
-    }
-    if (s390_cpu_virt_mem_read(cpu, addr, ar, &orig_orb, sizeof(orb))) {
-        return;
-    }
-    copy_orb_from_guest(&orb, &orig_orb);
-    if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid) ||
-        !ioinst_orb_valid(&orb)) {
-        program_interrupt(env, PGM_OPERAND, 2);
-        return;
-    }
-    trace_ioinst_sch_id("ssch", cssid, ssid, schid);
-    sch = css_find_subch(m, cssid, ssid, schid);
-    if (sch && css_subch_visible(sch)) {
-        ret = css_do_ssch(sch, &orb);
-    }
-    switch (ret) {
-    case -ENODEV:
-        cc = 3;
-        break;
-    case -EBUSY:
-        cc = 2;
-        break;
-    case 0:
-        cc = 0;
-        break;
-    default:
-        cc = 1;
-        break;
-    }
-    setcc(cpu, cc);
-}
-
-void ioinst_handle_stcrw(S390CPU *cpu, uint32_t ipb)
-{
-    CRW crw;
-    uint64_t addr;
-    int cc;
-    CPUS390XState *env = &cpu->env;
-    uint8_t ar;
-
-    addr = decode_basedisp_s(env, ipb, &ar);
-    if (addr & 3) {
-        program_interrupt(env, PGM_SPECIFICATION, 2);
-        return;
-    }
-
-    cc = css_do_stcrw(&crw);
-    /* 0 - crw stored, 1 - zeroes stored */
-
-    if (s390_cpu_virt_mem_write(cpu, addr, ar, &crw, sizeof(crw)) == 0) {
-        setcc(cpu, cc);
-    } else if (cc == 0) {
-        /* Write failed: requeue CRW since STCRW is a suppressing instruction */
-        css_undo_stcrw(&crw);
-    }
-}
-
-void ioinst_handle_stsch(S390CPU *cpu, uint64_t reg1, uint32_t ipb)
-{
-    int cssid, ssid, schid, m;
-    SubchDev *sch;
-    uint64_t addr;
-    int cc;
-    SCHIB schib;
-    CPUS390XState *env = &cpu->env;
-    uint8_t ar;
-
-    addr = decode_basedisp_s(env, ipb, &ar);
-    if (addr & 3) {
-        program_interrupt(env, PGM_SPECIFICATION, 2);
-        return;
-    }
-
-    if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
-        /*
-         * As operand exceptions have a lower priority than access exceptions,
-         * we check whether the memory area is writeable (injecting the
-         * access execption if it is not) first.
-         */
-        if (!s390_cpu_virt_mem_check_write(cpu, addr, ar, sizeof(schib))) {
-            program_interrupt(env, PGM_OPERAND, 2);
-        }
-        return;
-    }
-    trace_ioinst_sch_id("stsch", cssid, ssid, schid);
-    sch = css_find_subch(m, cssid, ssid, schid);
-    if (sch) {
-        if (css_subch_visible(sch)) {
-            css_do_stsch(sch, &schib);
-            cc = 0;
-        } else {
-            /* Indicate no more subchannels in this css/ss */
-            cc = 3;
-        }
-    } else {
-        if (css_schid_final(m, cssid, ssid, schid)) {
-            cc = 3; /* No more subchannels in this css/ss */
-        } else {
-            /* Store an empty schib. */
-            memset(&schib, 0, sizeof(schib));
-            cc = 0;
-        }
-    }
-    if (cc != 3) {
-        if (s390_cpu_virt_mem_write(cpu, addr, ar, &schib,
-                                    sizeof(schib)) != 0) {
-            return;
-        }
-    } else {
-        /* Access exceptions have a higher priority than cc3 */
-        if (s390_cpu_virt_mem_check_write(cpu, addr, ar, sizeof(schib)) != 0) {
-            return;
-        }
-    }
-    setcc(cpu, cc);
-}
-
-int ioinst_handle_tsch(S390CPU *cpu, uint64_t reg1, uint32_t ipb)
-{
-    CPUS390XState *env = &cpu->env;
-    int cssid, ssid, schid, m;
-    SubchDev *sch;
-    IRB irb;
-    uint64_t addr;
-    int cc, irb_len;
-    uint8_t ar;
-
-    if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
-        program_interrupt(env, PGM_OPERAND, 2);
-        return -EIO;
-    }
-    trace_ioinst_sch_id("tsch", cssid, ssid, schid);
-    addr = decode_basedisp_s(env, ipb, &ar);
-    if (addr & 3) {
-        program_interrupt(env, PGM_SPECIFICATION, 2);
-        return -EIO;
-    }
-
-    sch = css_find_subch(m, cssid, ssid, schid);
-    if (sch && css_subch_visible(sch)) {
-        cc = css_do_tsch_get_irb(sch, &irb, &irb_len);
-    } else {
-        cc = 3;
-    }
-    /* 0 - status pending, 1 - not status pending, 3 - not operational */
-    if (cc != 3) {
-        if (s390_cpu_virt_mem_write(cpu, addr, ar, &irb, irb_len) != 0) {
-            return -EFAULT;
-        }
-        css_do_tsch_update_subch(sch);
-    } else {
-        irb_len = sizeof(irb) - sizeof(irb.emw);
-        /* Access exceptions have a higher priority than cc3 */
-        if (s390_cpu_virt_mem_check_write(cpu, addr, ar, irb_len) != 0) {
-            return -EFAULT;
-        }
-    }
-
-    setcc(cpu, cc);
-    return 0;
-}
-
-typedef struct ChscReq {
-    uint16_t len;
-    uint16_t command;
-    uint32_t param0;
-    uint32_t param1;
-    uint32_t param2;
-} QEMU_PACKED ChscReq;
-
-typedef struct ChscResp {
-    uint16_t len;
-    uint16_t code;
-    uint32_t param;
-    char data[0];
-} QEMU_PACKED ChscResp;
-
-#define CHSC_MIN_RESP_LEN 0x0008
-
-#define CHSC_SCPD 0x0002
-#define CHSC_SCSC 0x0010
-#define CHSC_SDA  0x0031
-#define CHSC_SEI  0x000e
-
-#define CHSC_SCPD_0_M 0x20000000
-#define CHSC_SCPD_0_C 0x10000000
-#define CHSC_SCPD_0_FMT 0x0f000000
-#define CHSC_SCPD_0_CSSID 0x00ff0000
-#define CHSC_SCPD_0_RFMT 0x00000f00
-#define CHSC_SCPD_0_RES 0xc000f000
-#define CHSC_SCPD_1_RES 0xffffff00
-#define CHSC_SCPD_01_CHPID 0x000000ff
-static void ioinst_handle_chsc_scpd(ChscReq *req, ChscResp *res)
-{
-    uint16_t len = be16_to_cpu(req->len);
-    uint32_t param0 = be32_to_cpu(req->param0);
-    uint32_t param1 = be32_to_cpu(req->param1);
-    uint16_t resp_code;
-    int rfmt;
-    uint16_t cssid;
-    uint8_t f_chpid, l_chpid;
-    int desc_size;
-    int m;
-
-    rfmt = (param0 & CHSC_SCPD_0_RFMT) >> 8;
-    if ((rfmt == 0) ||  (rfmt == 1)) {
-        rfmt = !!(param0 & CHSC_SCPD_0_C);
-    }
-    if ((len != 0x0010) || (param0 & CHSC_SCPD_0_RES) ||
-        (param1 & CHSC_SCPD_1_RES) || req->param2) {
-        resp_code = 0x0003;
-        goto out_err;
-    }
-    if (param0 & CHSC_SCPD_0_FMT) {
-        resp_code = 0x0007;
-        goto out_err;
-    }
-    cssid = (param0 & CHSC_SCPD_0_CSSID) >> 16;
-    m = param0 & CHSC_SCPD_0_M;
-    if (cssid != 0) {
-        if (!m || !css_present(cssid)) {
-            resp_code = 0x0008;
-            goto out_err;
-        }
-    }
-    f_chpid = param0 & CHSC_SCPD_01_CHPID;
-    l_chpid = param1 & CHSC_SCPD_01_CHPID;
-    if (l_chpid < f_chpid) {
-        resp_code = 0x0003;
-        goto out_err;
-    }
-    /* css_collect_chp_desc() is endian-aware */
-    desc_size = css_collect_chp_desc(m, cssid, f_chpid, l_chpid, rfmt,
-                                     &res->data);
-    res->code = cpu_to_be16(0x0001);
-    res->len = cpu_to_be16(8 + desc_size);
-    res->param = cpu_to_be32(rfmt);
-    return;
-
-  out_err:
-    res->code = cpu_to_be16(resp_code);
-    res->len = cpu_to_be16(CHSC_MIN_RESP_LEN);
-    res->param = cpu_to_be32(rfmt);
-}
-
-#define CHSC_SCSC_0_M 0x20000000
-#define CHSC_SCSC_0_FMT 0x000f0000
-#define CHSC_SCSC_0_CSSID 0x0000ff00
-#define CHSC_SCSC_0_RES 0xdff000ff
-static void ioinst_handle_chsc_scsc(ChscReq *req, ChscResp *res)
-{
-    uint16_t len = be16_to_cpu(req->len);
-    uint32_t param0 = be32_to_cpu(req->param0);
-    uint8_t cssid;
-    uint16_t resp_code;
-    uint32_t general_chars[510];
-    uint32_t chsc_chars[508];
-
-    if (len != 0x0010) {
-        resp_code = 0x0003;
-        goto out_err;
-    }
-
-    if (param0 & CHSC_SCSC_0_FMT) {
-        resp_code = 0x0007;
-        goto out_err;
-    }
-    cssid = (param0 & CHSC_SCSC_0_CSSID) >> 8;
-    if (cssid != 0) {
-        if (!(param0 & CHSC_SCSC_0_M) || !css_present(cssid)) {
-            resp_code = 0x0008;
-            goto out_err;
-        }
-    }
-    if ((param0 & CHSC_SCSC_0_RES) || req->param1 || req->param2) {
-        resp_code = 0x0003;
-        goto out_err;
-    }
-    res->code = cpu_to_be16(0x0001);
-    res->len = cpu_to_be16(4080);
-    res->param = 0;
-
-    memset(general_chars, 0, sizeof(general_chars));
-    memset(chsc_chars, 0, sizeof(chsc_chars));
-
-    general_chars[0] = cpu_to_be32(0x03000000);
-    general_chars[1] = cpu_to_be32(0x00059000);
-
-    chsc_chars[0] = cpu_to_be32(0x40000000);
-    chsc_chars[3] = cpu_to_be32(0x00040000);
-
-    memcpy(res->data, general_chars, sizeof(general_chars));
-    memcpy(res->data + sizeof(general_chars), chsc_chars, sizeof(chsc_chars));
-    return;
-
-  out_err:
-    res->code = cpu_to_be16(resp_code);
-    res->len = cpu_to_be16(CHSC_MIN_RESP_LEN);
-    res->param = 0;
-}
-
-#define CHSC_SDA_0_FMT 0x0f000000
-#define CHSC_SDA_0_OC 0x0000ffff
-#define CHSC_SDA_0_RES 0xf0ff0000
-#define CHSC_SDA_OC_MCSSE 0x0
-#define CHSC_SDA_OC_MSS 0x2
-static void ioinst_handle_chsc_sda(ChscReq *req, ChscResp *res)
-{
-    uint16_t resp_code = 0x0001;
-    uint16_t len = be16_to_cpu(req->len);
-    uint32_t param0 = be32_to_cpu(req->param0);
-    uint16_t oc;
-    int ret;
-
-    if ((len != 0x0400) || (param0 & CHSC_SDA_0_RES)) {
-        resp_code = 0x0003;
-        goto out;
-    }
-
-    if (param0 & CHSC_SDA_0_FMT) {
-        resp_code = 0x0007;
-        goto out;
-    }
-
-    oc = param0 & CHSC_SDA_0_OC;
-    switch (oc) {
-    case CHSC_SDA_OC_MCSSE:
-        ret = css_enable_mcsse();
-        if (ret == -EINVAL) {
-            resp_code = 0x0101;
-            goto out;
-        }
-        break;
-    case CHSC_SDA_OC_MSS:
-        ret = css_enable_mss();
-        if (ret == -EINVAL) {
-            resp_code = 0x0101;
-            goto out;
-        }
-        break;
-    default:
-        resp_code = 0x0003;
-        goto out;
-    }
-
-out:
-    res->code = cpu_to_be16(resp_code);
-    res->len = cpu_to_be16(CHSC_MIN_RESP_LEN);
-    res->param = 0;
-}
-
-static int chsc_sei_nt0_get_event(void *res)
-{
-    /* no events yet */
-    return 1;
-}
-
-static int chsc_sei_nt0_have_event(void)
-{
-    /* no events yet */
-    return 0;
-}
-
-#define CHSC_SEI_NT0    (1ULL << 63)
-#define CHSC_SEI_NT2    (1ULL << 61)
-static void ioinst_handle_chsc_sei(ChscReq *req, ChscResp *res)
-{
-    uint64_t selection_mask = ldq_p(&req->param1);
-    uint8_t *res_flags = (uint8_t *)res->data;
-    int have_event = 0;
-    int have_more = 0;
-
-    /* regarding architecture nt0 can not be masked */
-    have_event = !chsc_sei_nt0_get_event(res);
-    have_more = chsc_sei_nt0_have_event();
-
-    if (selection_mask & CHSC_SEI_NT2) {
-        if (!have_event) {
-            have_event = !chsc_sei_nt2_get_event(res);
-        }
-
-        if (!have_more) {
-            have_more = chsc_sei_nt2_have_event();
-        }
-    }
-
-    if (have_event) {
-        res->code = cpu_to_be16(0x0001);
-        if (have_more) {
-            (*res_flags) |= 0x80;
-        } else {
-            (*res_flags) &= ~0x80;
-            css_clear_sei_pending();
-        }
-    } else {
-        res->code = cpu_to_be16(0x0005);
-        res->len = cpu_to_be16(CHSC_MIN_RESP_LEN);
-    }
-}
-
-static void ioinst_handle_chsc_unimplemented(ChscResp *res)
-{
-    res->len = cpu_to_be16(CHSC_MIN_RESP_LEN);
-    res->code = cpu_to_be16(0x0004);
-    res->param = 0;
-}
-
-void ioinst_handle_chsc(S390CPU *cpu, uint32_t ipb)
-{
-    ChscReq *req;
-    ChscResp *res;
-    uint64_t addr;
-    int reg;
-    uint16_t len;
-    uint16_t command;
-    CPUS390XState *env = &cpu->env;
-    uint8_t buf[TARGET_PAGE_SIZE];
-
-    trace_ioinst("chsc");
-    reg = (ipb >> 20) & 0x00f;
-    addr = env->regs[reg];
-    /* Page boundary? */
-    if (addr & 0xfff) {
-        program_interrupt(env, PGM_SPECIFICATION, 2);
-        return;
-    }
-    /*
-     * Reading sizeof(ChscReq) bytes is currently enough for all of our
-     * present CHSC sub-handlers ... if we ever need more, we should take
-     * care of req->len here first.
-     */
-    if (s390_cpu_virt_mem_read(cpu, addr, reg, buf, sizeof(ChscReq))) {
-        return;
-    }
-    req = (ChscReq *)buf;
-    len = be16_to_cpu(req->len);
-    /* Length field valid? */
-    if ((len < 16) || (len > 4088) || (len & 7)) {
-        program_interrupt(env, PGM_OPERAND, 2);
-        return;
-    }
-    memset((char *)req + len, 0, TARGET_PAGE_SIZE - len);
-    res = (void *)((char *)req + len);
-    command = be16_to_cpu(req->command);
-    trace_ioinst_chsc_cmd(command, len);
-    switch (command) {
-    case CHSC_SCSC:
-        ioinst_handle_chsc_scsc(req, res);
-        break;
-    case CHSC_SCPD:
-        ioinst_handle_chsc_scpd(req, res);
-        break;
-    case CHSC_SDA:
-        ioinst_handle_chsc_sda(req, res);
-        break;
-    case CHSC_SEI:
-        ioinst_handle_chsc_sei(req, res);
-        break;
-    default:
-        ioinst_handle_chsc_unimplemented(res);
-        break;
-    }
-
-    if (!s390_cpu_virt_mem_write(cpu, addr + len, reg, res,
-                                 be16_to_cpu(res->len))) {
-        setcc(cpu, 0);    /* Command execution complete */
-    }
-}
-
-int ioinst_handle_tpi(S390CPU *cpu, uint32_t ipb)
-{
-    CPUS390XState *env = &cpu->env;
-    uint64_t addr;
-    int lowcore;
-    IOIntCode int_code;
-    hwaddr len;
-    int ret;
-    uint8_t ar;
-
-    trace_ioinst("tpi");
-    addr = decode_basedisp_s(env, ipb, &ar);
-    if (addr & 3) {
-        program_interrupt(env, PGM_SPECIFICATION, 2);
-        return -EIO;
-    }
-
-    lowcore = addr ? 0 : 1;
-    len = lowcore ? 8 /* two words */ : 12 /* three words */;
-    ret = css_do_tpi(&int_code, lowcore);
-    if (ret == 1) {
-        s390_cpu_virt_mem_write(cpu, lowcore ? 184 : addr, ar, &int_code, len);
-    }
-    return ret;
-}
-
-#define SCHM_REG1_RES(_reg) (_reg & 0x000000000ffffffc)
-#define SCHM_REG1_MBK(_reg) ((_reg & 0x00000000f0000000) >> 28)
-#define SCHM_REG1_UPD(_reg) ((_reg & 0x0000000000000002) >> 1)
-#define SCHM_REG1_DCT(_reg) (_reg & 0x0000000000000001)
-
-void ioinst_handle_schm(S390CPU *cpu, uint64_t reg1, uint64_t reg2,
-                        uint32_t ipb)
-{
-    uint8_t mbk;
-    int update;
-    int dct;
-    CPUS390XState *env = &cpu->env;
-
-    trace_ioinst("schm");
-
-    if (SCHM_REG1_RES(reg1)) {
-        program_interrupt(env, PGM_OPERAND, 2);
-        return;
-    }
-
-    mbk = SCHM_REG1_MBK(reg1);
-    update = SCHM_REG1_UPD(reg1);
-    dct = SCHM_REG1_DCT(reg1);
-
-    if (update && (reg2 & 0x000000000000001f)) {
-        program_interrupt(env, PGM_OPERAND, 2);
-        return;
-    }
-
-    css_do_schm(mbk, update, dct, update ? reg2 : 0);
-}
-
-void ioinst_handle_rsch(S390CPU *cpu, uint64_t reg1)
-{
-    int cssid, ssid, schid, m;
-    SubchDev *sch;
-    int ret = -ENODEV;
-    int cc;
-
-    if (ioinst_disassemble_sch_ident(reg1, &m, &cssid, &ssid, &schid)) {
-        program_interrupt(&cpu->env, PGM_OPERAND, 2);
-        return;
-    }
-    trace_ioinst_sch_id("rsch", cssid, ssid, schid);
-    sch = css_find_subch(m, cssid, ssid, schid);
-    if (sch && css_subch_visible(sch)) {
-        ret = css_do_rsch(sch);
-    }
-    switch (ret) {
-    case -ENODEV:
-        cc = 3;
-        break;
-    case -EINVAL:
-        cc = 2;
-        break;
-    case 0:
-        cc = 0;
-        break;
-    default:
-        cc = 1;
-        break;
-    }
-    setcc(cpu, cc);
-}
-
-#define RCHP_REG1_RES(_reg) (_reg & 0x00000000ff00ff00)
-#define RCHP_REG1_CSSID(_reg) ((_reg & 0x0000000000ff0000) >> 16)
-#define RCHP_REG1_CHPID(_reg) (_reg & 0x00000000000000ff)
-void ioinst_handle_rchp(S390CPU *cpu, uint64_t reg1)
-{
-    int cc;
-    uint8_t cssid;
-    uint8_t chpid;
-    int ret;
-    CPUS390XState *env = &cpu->env;
-
-    if (RCHP_REG1_RES(reg1)) {
-        program_interrupt(env, PGM_OPERAND, 2);
-        return;
-    }
-
-    cssid = RCHP_REG1_CSSID(reg1);
-    chpid = RCHP_REG1_CHPID(reg1);
-
-    trace_ioinst_chp_id("rchp", cssid, chpid);
-
-    ret = css_do_rchp(cssid, chpid);
-
-    switch (ret) {
-    case -ENODEV:
-        cc = 3;
-        break;
-    case -EBUSY:
-        cc = 2;
-        break;
-    case 0:
-        cc = 0;
-        break;
-    default:
-        /* Invalid channel subsystem. */
-        program_interrupt(env, PGM_OPERAND, 2);
-        return;
-    }
-    setcc(cpu, cc);
-}
-
-#define SAL_REG1_INVALID(_reg) (_reg & 0x0000000080000000)
-void ioinst_handle_sal(S390CPU *cpu, uint64_t reg1)
-{
-    /* We do not provide address limit checking, so let's suppress it. */
-    if (SAL_REG1_INVALID(reg1) || reg1 & 0x000000000000ffff) {
-        program_interrupt(&cpu->env, PGM_OPERAND, 2);
-    }
-}