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, 616 deletions

diff --git a/qemu/hw/scsi/scsi-generic.c b/qemu/hw/scsi/scsi-generic.c
deleted file mode 100644
index 7459465f6..000000000
--- a/qemu/hw/scsi/scsi-generic.c
+++ /dev/null
@@ -1,616 +0,0 @@
-/*
- * Generic SCSI Device support
- *
- * Copyright (c) 2007 Bull S.A.S.
- * Based on code by Paul Brook
- * Based on code by Fabrice Bellard
- *
- * Written by Laurent Vivier <Laurent.Vivier@bull.net>
- *
- * This code is licensed under the LGPL.
- *
- */
-
-#include "qemu/osdep.h"
-#include "qapi/error.h"
-#include "qemu-common.h"
-#include "qemu/error-report.h"
-#include "hw/scsi/scsi.h"
-#include "sysemu/block-backend.h"
-#include "sysemu/blockdev.h"
-
-#ifdef __linux__
-
-//#define DEBUG_SCSI
-
-#ifdef DEBUG_SCSI
-#define DPRINTF(fmt, ...) \
-do { printf("scsi-generic: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while(0)
-#endif
-
-#define BADF(fmt, ...) \
-do { fprintf(stderr, "scsi-generic: " fmt , ## __VA_ARGS__); } while (0)
-
-#include <scsi/sg.h>
-#include "block/scsi.h"
-
-#define SG_ERR_DRIVER_TIMEOUT  0x06
-#define SG_ERR_DRIVER_SENSE    0x08
-
-#define SG_ERR_DID_OK          0x00
-#define SG_ERR_DID_NO_CONNECT  0x01
-#define SG_ERR_DID_BUS_BUSY    0x02
-#define SG_ERR_DID_TIME_OUT    0x03
-
-#ifndef MAX_UINT
-#define MAX_UINT ((unsigned int)-1)
-#endif
-
-typedef struct SCSIGenericReq {
-    SCSIRequest req;
-    uint8_t *buf;
-    int buflen;
-    int len;
-    sg_io_hdr_t io_header;
-} SCSIGenericReq;
-
-static void scsi_generic_save_request(QEMUFile *f, SCSIRequest *req)
-{
-    SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req);
-
-    qemu_put_sbe32s(f, &r->buflen);
-    if (r->buflen && r->req.cmd.mode == SCSI_XFER_TO_DEV) {
-        assert(!r->req.sg);
-        qemu_put_buffer(f, r->buf, r->req.cmd.xfer);
-    }
-}
-
-static void scsi_generic_load_request(QEMUFile *f, SCSIRequest *req)
-{
-    SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req);
-
-    qemu_get_sbe32s(f, &r->buflen);
-    if (r->buflen && r->req.cmd.mode == SCSI_XFER_TO_DEV) {
-        assert(!r->req.sg);
-        qemu_get_buffer(f, r->buf, r->req.cmd.xfer);
-    }
-}
-
-static void scsi_free_request(SCSIRequest *req)
-{
-    SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req);
-
-    g_free(r->buf);
-}
-
-/* Helper function for command completion.  */
-static void scsi_command_complete_noio(SCSIGenericReq *r, int ret)
-{
-    int status;
-
-    assert(r->req.aiocb == NULL);
-
-    if (r->req.io_canceled) {
-        scsi_req_cancel_complete(&r->req);
-        goto done;
-    }
-    if (r->io_header.driver_status & SG_ERR_DRIVER_SENSE) {
-        r->req.sense_len = r->io_header.sb_len_wr;
-    }
-
-    if (ret != 0) {
-        switch (ret) {
-        case -EDOM:
-            status = TASK_SET_FULL;
-            break;
-        case -ENOMEM:
-            status = CHECK_CONDITION;
-            scsi_req_build_sense(&r->req, SENSE_CODE(TARGET_FAILURE));
-            break;
-        default:
-            status = CHECK_CONDITION;
-            scsi_req_build_sense(&r->req, SENSE_CODE(IO_ERROR));
-            break;
-        }
-    } else {
-        if (r->io_header.host_status == SG_ERR_DID_NO_CONNECT ||
-            r->io_header.host_status == SG_ERR_DID_BUS_BUSY ||
-            r->io_header.host_status == SG_ERR_DID_TIME_OUT ||
-            (r->io_header.driver_status & SG_ERR_DRIVER_TIMEOUT)) {
-            status = BUSY;
-            BADF("Driver Timeout\n");
-        } else if (r->io_header.host_status) {
-            status = CHECK_CONDITION;
-            scsi_req_build_sense(&r->req, SENSE_CODE(I_T_NEXUS_LOSS));
-        } else if (r->io_header.status) {
-            status = r->io_header.status;
-        } else if (r->io_header.driver_status & SG_ERR_DRIVER_SENSE) {
-            status = CHECK_CONDITION;
-        } else {
-            status = GOOD;
-        }
-    }
-    DPRINTF("Command complete 0x%p tag=0x%x status=%d\n",
-            r, r->req.tag, status);
-
-    scsi_req_complete(&r->req, status);
-done:
-    scsi_req_unref(&r->req);
-}
-
-static void scsi_command_complete(void *opaque, int ret)
-{
-    SCSIGenericReq *r = (SCSIGenericReq *)opaque;
-
-    assert(r->req.aiocb != NULL);
-    r->req.aiocb = NULL;
-    scsi_command_complete_noio(r, ret);
-}
-
-static int execute_command(BlockBackend *blk,
-                           SCSIGenericReq *r, int direction,
-                           BlockCompletionFunc *complete)
-{
-    r->io_header.interface_id = 'S';
-    r->io_header.dxfer_direction = direction;
-    r->io_header.dxferp = r->buf;
-    r->io_header.dxfer_len = r->buflen;
-    r->io_header.cmdp = r->req.cmd.buf;
-    r->io_header.cmd_len = r->req.cmd.len;
-    r->io_header.mx_sb_len = sizeof(r->req.sense);
-    r->io_header.sbp = r->req.sense;
-    r->io_header.timeout = MAX_UINT;
-    r->io_header.usr_ptr = r;
-    r->io_header.flags |= SG_FLAG_DIRECT_IO;
-
-    r->req.aiocb = blk_aio_ioctl(blk, SG_IO, &r->io_header, complete, r);
-    if (r->req.aiocb == NULL) {
-        return -EIO;
-    }
-
-    return 0;
-}
-
-static void scsi_read_complete(void * opaque, int ret)
-{
-    SCSIGenericReq *r = (SCSIGenericReq *)opaque;
-    SCSIDevice *s = r->req.dev;
-    int len;
-
-    assert(r->req.aiocb != NULL);
-    r->req.aiocb = NULL;
-
-    if (ret || r->req.io_canceled) {
-        scsi_command_complete_noio(r, ret);
-        return;
-    }
-
-    len = r->io_header.dxfer_len - r->io_header.resid;
-    DPRINTF("Data ready tag=0x%x len=%d\n", r->req.tag, len);
-
-    r->len = -1;
-    if (len == 0) {
-        scsi_command_complete_noio(r, 0);
-        return;
-    }
-
-    /* Snoop READ CAPACITY output to set the blocksize.  */
-    if (r->req.cmd.buf[0] == READ_CAPACITY_10 &&
-        (ldl_be_p(&r->buf[0]) != 0xffffffffU || s->max_lba == 0)) {
-        s->blocksize = ldl_be_p(&r->buf[4]);
-        s->max_lba = ldl_be_p(&r->buf[0]) & 0xffffffffULL;
-    } else if (r->req.cmd.buf[0] == SERVICE_ACTION_IN_16 &&
-               (r->req.cmd.buf[1] & 31) == SAI_READ_CAPACITY_16) {
-        s->blocksize = ldl_be_p(&r->buf[8]);
-        s->max_lba = ldq_be_p(&r->buf[0]);
-    }
-    blk_set_guest_block_size(s->conf.blk, s->blocksize);
-
-    /* Patch MODE SENSE device specific parameters if the BDS is opened
-     * readonly.
-     */
-    if ((s->type == TYPE_DISK || s->type == TYPE_TAPE) &&
-        blk_is_read_only(s->conf.blk) &&
-        (r->req.cmd.buf[0] == MODE_SENSE ||
-         r->req.cmd.buf[0] == MODE_SENSE_10) &&
-        (r->req.cmd.buf[1] & 0x8) == 0) {
-        if (r->req.cmd.buf[0] == MODE_SENSE) {
-            r->buf[2] |= 0x80;
-        } else  {
-            r->buf[3] |= 0x80;
-        }
-    }
-    scsi_req_data(&r->req, len);
-    scsi_req_unref(&r->req);
-}
-
-/* Read more data from scsi device into buffer.  */
-static void scsi_read_data(SCSIRequest *req)
-{
-    SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req);
-    SCSIDevice *s = r->req.dev;
-    int ret;
-
-    DPRINTF("scsi_read_data 0x%x\n", req->tag);
-
-    /* The request is used as the AIO opaque value, so add a ref.  */
-    scsi_req_ref(&r->req);
-    if (r->len == -1) {
-        scsi_command_complete_noio(r, 0);
-        return;
-    }
-
-    ret = execute_command(s->conf.blk, r, SG_DXFER_FROM_DEV,
-                          scsi_read_complete);
-    if (ret < 0) {
-        scsi_command_complete_noio(r, ret);
-    }
-}
-
-static void scsi_write_complete(void * opaque, int ret)
-{
-    SCSIGenericReq *r = (SCSIGenericReq *)opaque;
-    SCSIDevice *s = r->req.dev;
-
-    DPRINTF("scsi_write_complete() ret = %d\n", ret);
-
-    assert(r->req.aiocb != NULL);
-    r->req.aiocb = NULL;
-
-    if (ret || r->req.io_canceled) {
-        scsi_command_complete_noio(r, ret);
-        return;
-    }
-
-    if (r->req.cmd.buf[0] == MODE_SELECT && r->req.cmd.buf[4] == 12 &&
-        s->type == TYPE_TAPE) {
-        s->blocksize = (r->buf[9] << 16) | (r->buf[10] << 8) | r->buf[11];
-        DPRINTF("block size %d\n", s->blocksize);
-    }
-
-    scsi_command_complete_noio(r, ret);
-}
-
-/* Write data to a scsi device.  Returns nonzero on failure.
-   The transfer may complete asynchronously.  */
-static void scsi_write_data(SCSIRequest *req)
-{
-    SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req);
-    SCSIDevice *s = r->req.dev;
-    int ret;
-
-    DPRINTF("scsi_write_data 0x%x\n", req->tag);
-    if (r->len == 0) {
-        r->len = r->buflen;
-        scsi_req_data(&r->req, r->len);
-        return;
-    }
-
-    /* The request is used as the AIO opaque value, so add a ref.  */
-    scsi_req_ref(&r->req);
-    ret = execute_command(s->conf.blk, r, SG_DXFER_TO_DEV, scsi_write_complete);
-    if (ret < 0) {
-        scsi_command_complete_noio(r, ret);
-    }
-}
-
-/* Return a pointer to the data buffer.  */
-static uint8_t *scsi_get_buf(SCSIRequest *req)
-{
-    SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req);
-
-    return r->buf;
-}
-
-/* Execute a scsi command.  Returns the length of the data expected by the
-   command.  This will be Positive for data transfers from the device
-   (eg. disk reads), negative for transfers to the device (eg. disk writes),
-   and zero if the command does not transfer any data.  */
-
-static int32_t scsi_send_command(SCSIRequest *req, uint8_t *cmd)
-{
-    SCSIGenericReq *r = DO_UPCAST(SCSIGenericReq, req, req);
-    SCSIDevice *s = r->req.dev;
-    int ret;
-
-#ifdef DEBUG_SCSI
-    {
-        int i;
-        for (i = 1; i < r->req.cmd.len; i++) {
-            printf(" 0x%02x", cmd[i]);
-        }
-        printf("\n");
-    }
-#endif
-
-    if (r->req.cmd.xfer == 0) {
-        g_free(r->buf);
-        r->buflen = 0;
-        r->buf = NULL;
-        /* The request is used as the AIO opaque value, so add a ref.  */
-        scsi_req_ref(&r->req);
-        ret = execute_command(s->conf.blk, r, SG_DXFER_NONE,
-                              scsi_command_complete);
-        if (ret < 0) {
-            scsi_command_complete_noio(r, ret);
-            return 0;
-        }
-        return 0;
-    }
-
-    if (r->buflen != r->req.cmd.xfer) {
-        g_free(r->buf);
-        r->buf = g_malloc(r->req.cmd.xfer);
-        r->buflen = r->req.cmd.xfer;
-    }
-
-    memset(r->buf, 0, r->buflen);
-    r->len = r->req.cmd.xfer;
-    if (r->req.cmd.mode == SCSI_XFER_TO_DEV) {
-        r->len = 0;
-        return -r->req.cmd.xfer;
-    } else {
-        return r->req.cmd.xfer;
-    }
-}
-
-static int read_naa_id(const uint8_t *p, uint64_t *p_wwn)
-{
-    int i;
-
-    if ((p[1] & 0xF) == 3) {
-        /* NAA designator type */
-        if (p[3] != 8) {
-            return -EINVAL;
-        }
-        *p_wwn = ldq_be_p(p + 4);
-        return 0;
-    }
-
-    if ((p[1] & 0xF) == 8) {
-        /* SCSI name string designator type */
-        if (p[3] < 20 || memcmp(&p[4], "naa.", 4)) {
-            return -EINVAL;
-        }
-        if (p[3] > 20 && p[24] != ',') {
-            return -EINVAL;
-        }
-        *p_wwn = 0;
-        for (i = 8; i < 24; i++) {
-            char c = toupper(p[i]);
-            c -= (c >= '0' && c <= '9' ? '0' : 'A' - 10);
-            *p_wwn = (*p_wwn << 4) | c;
-        }
-        return 0;
-    }
-
-    return -EINVAL;
-}
-
-void scsi_generic_read_device_identification(SCSIDevice *s)
-{
-    uint8_t cmd[6];
-    uint8_t buf[250];
-    uint8_t sensebuf[8];
-    sg_io_hdr_t io_header;
-    int ret;
-    int i, len;
-
-    memset(cmd, 0, sizeof(cmd));
-    memset(buf, 0, sizeof(buf));
-    cmd[0] = INQUIRY;
-    cmd[1] = 1;
-    cmd[2] = 0x83;
-    cmd[4] = sizeof(buf);
-
-    memset(&io_header, 0, sizeof(io_header));
-    io_header.interface_id = 'S';
-    io_header.dxfer_direction = SG_DXFER_FROM_DEV;
-    io_header.dxfer_len = sizeof(buf);
-    io_header.dxferp = buf;
-    io_header.cmdp = cmd;
-    io_header.cmd_len = sizeof(cmd);
-    io_header.mx_sb_len = sizeof(sensebuf);
-    io_header.sbp = sensebuf;
-    io_header.timeout = 6000; /* XXX */
-
-    ret = blk_ioctl(s->conf.blk, SG_IO, &io_header);
-    if (ret < 0 || io_header.driver_status || io_header.host_status) {
-        return;
-    }
-
-    len = MIN((buf[2] << 8) | buf[3], sizeof(buf) - 4);
-    for (i = 0; i + 3 <= len; ) {
-        const uint8_t *p = &buf[i + 4];
-        uint64_t wwn;
-
-        if (i + (p[3] + 4) > len) {
-            break;
-        }
-
-        if ((p[1] & 0x10) == 0) {
-            /* Associated with the logical unit */
-            if (read_naa_id(p, &wwn) == 0) {
-                s->wwn = wwn;
-            }
-        } else if ((p[1] & 0x10) == 0x10) {
-            /* Associated with the target port */
-            if (read_naa_id(p, &wwn) == 0) {
-                s->port_wwn = wwn;
-            }
-        }
-
-        i += p[3] + 4;
-    }
-}
-
-static int get_stream_blocksize(BlockBackend *blk)
-{
-    uint8_t cmd[6];
-    uint8_t buf[12];
-    uint8_t sensebuf[8];
-    sg_io_hdr_t io_header;
-    int ret;
-
-    memset(cmd, 0, sizeof(cmd));
-    memset(buf, 0, sizeof(buf));
-    cmd[0] = MODE_SENSE;
-    cmd[4] = sizeof(buf);
-
-    memset(&io_header, 0, sizeof(io_header));
-    io_header.interface_id = 'S';
-    io_header.dxfer_direction = SG_DXFER_FROM_DEV;
-    io_header.dxfer_len = sizeof(buf);
-    io_header.dxferp = buf;
-    io_header.cmdp = cmd;
-    io_header.cmd_len = sizeof(cmd);
-    io_header.mx_sb_len = sizeof(sensebuf);
-    io_header.sbp = sensebuf;
-    io_header.timeout = 6000; /* XXX */
-
-    ret = blk_ioctl(blk, SG_IO, &io_header);
-    if (ret < 0 || io_header.driver_status || io_header.host_status) {
-        return -1;
-    }
-    return (buf[9] << 16) | (buf[10] << 8) | buf[11];
-}
-
-static void scsi_generic_reset(DeviceState *dev)
-{
-    SCSIDevice *s = SCSI_DEVICE(dev);
-
-    scsi_device_purge_requests(s, SENSE_CODE(RESET));
-}
-
-static void scsi_generic_realize(SCSIDevice *s, Error **errp)
-{
-    int rc;
-    int sg_version;
-    struct sg_scsi_id scsiid;
-
-    if (!s->conf.blk) {
-        error_setg(errp, "drive property not set");
-        return;
-    }
-
-    if (blk_get_on_error(s->conf.blk, 0) != BLOCKDEV_ON_ERROR_ENOSPC) {
-        error_setg(errp, "Device doesn't support drive option werror");
-        return;
-    }
-    if (blk_get_on_error(s->conf.blk, 1) != BLOCKDEV_ON_ERROR_REPORT) {
-        error_setg(errp, "Device doesn't support drive option rerror");
-        return;
-    }
-
-    /* check we are using a driver managing SG_IO (version 3 and after */
-    rc = blk_ioctl(s->conf.blk, SG_GET_VERSION_NUM, &sg_version);
-    if (rc < 0) {
-        error_setg(errp, "cannot get SG_IO version number: %s.  "
-                         "Is this a SCSI device?",
-                         strerror(-rc));
-        return;
-    }
-    if (sg_version < 30000) {
-        error_setg(errp, "scsi generic interface too old");
-        return;
-    }
-
-    /* get LUN of the /dev/sg? */
-    if (blk_ioctl(s->conf.blk, SG_GET_SCSI_ID, &scsiid)) {
-        error_setg(errp, "SG_GET_SCSI_ID ioctl failed");
-        return;
-    }
-
-    /* define device state */
-    s->type = scsiid.scsi_type;
-    DPRINTF("device type %d\n", s->type);
-
-    switch (s->type) {
-    case TYPE_TAPE:
-        s->blocksize = get_stream_blocksize(s->conf.blk);
-        if (s->blocksize == -1) {
-            s->blocksize = 0;
-        }
-        break;
-
-        /* Make a guess for block devices, we'll fix it when the guest sends.
-         * READ CAPACITY.  If they don't, they likely would assume these sizes
-         * anyway. (TODO: they could also send MODE SENSE).
-         */
-    case TYPE_ROM:
-    case TYPE_WORM:
-        s->blocksize = 2048;
-        break;
-    default:
-        s->blocksize = 512;
-        break;
-    }
-
-    DPRINTF("block size %d\n", s->blocksize);
-
-    scsi_generic_read_device_identification(s);
-}
-
-const SCSIReqOps scsi_generic_req_ops = {
-    .size         = sizeof(SCSIGenericReq),
-    .free_req     = scsi_free_request,
-    .send_command = scsi_send_command,
-    .read_data    = scsi_read_data,
-    .write_data   = scsi_write_data,
-    .get_buf      = scsi_get_buf,
-    .load_request = scsi_generic_load_request,
-    .save_request = scsi_generic_save_request,
-};
-
-static SCSIRequest *scsi_new_request(SCSIDevice *d, uint32_t tag, uint32_t lun,
-                                     uint8_t *buf, void *hba_private)
-{
-    SCSIRequest *req;
-
-    req = scsi_req_alloc(&scsi_generic_req_ops, d, tag, lun, hba_private);
-    return req;
-}
-
-static Property scsi_generic_properties[] = {
-    DEFINE_PROP_DRIVE("drive", SCSIDevice, conf.blk),
-    DEFINE_PROP_END_OF_LIST(),
-};
-
-static int scsi_generic_parse_cdb(SCSIDevice *dev, SCSICommand *cmd,
-                                  uint8_t *buf, void *hba_private)
-{
-    return scsi_bus_parse_cdb(dev, cmd, buf, hba_private);
-}
-
-static void scsi_generic_class_initfn(ObjectClass *klass, void *data)
-{
-    DeviceClass *dc = DEVICE_CLASS(klass);
-    SCSIDeviceClass *sc = SCSI_DEVICE_CLASS(klass);
-
-    sc->realize      = scsi_generic_realize;
-    sc->alloc_req    = scsi_new_request;
-    sc->parse_cdb    = scsi_generic_parse_cdb;
-    dc->fw_name = "disk";
-    dc->desc = "pass through generic scsi device (/dev/sg*)";
-    dc->reset = scsi_generic_reset;
-    dc->props = scsi_generic_properties;
-    dc->vmsd  = &vmstate_scsi_device;
-}
-
-static const TypeInfo scsi_generic_info = {
-    .name          = "scsi-generic",
-    .parent        = TYPE_SCSI_DEVICE,
-    .instance_size = sizeof(SCSIDevice),
-    .class_init    = scsi_generic_class_initfn,
-};
-
-static void scsi_generic_register_types(void)
-{
-    type_register_static(&scsi_generic_info);
-}
-
-type_init(scsi_generic_register_types)
-
-#endif /* __linux__ */