diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2011-10-12 12:54:16 +0200 |
---|---|---|
committer | Kevin Wolf <kwolf@redhat.com> | 2011-10-28 19:25:52 +0200 |
commit | 44740c38168bd46e2a99094a42cbdbb781299604 (patch) | |
tree | 457015f61b24495ad0a37f1727d5337004f09d93 /hw/scsi-disk.c | |
parent | 9b6eef8a319f11f977add658b622b60900877410 (diff) |
scsi-disk: do not duplicate BlockDriverState member
Same as for scsi-generic, avoid duplication even if it causes longer
lines.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'hw/scsi-disk.c')
-rw-r--r-- | hw/scsi-disk.c | 92 |
1 files changed, 45 insertions, 47 deletions
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index e800ab358a..8a05031300 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -65,7 +65,6 @@ typedef struct SCSIDiskReq { struct SCSIDiskState { SCSIDevice qdev; - BlockDriverState *bs; /* The qemu block layer uses a fixed 512 byte sector size. This is the number of 512 byte blocks in a single scsi sector. */ int cluster_size; @@ -119,7 +118,7 @@ static uint32_t scsi_init_iovec(SCSIDiskReq *r) if (!r->iov.iov_base) { r->buflen = SCSI_DMA_BUF_SIZE; - r->iov.iov_base = qemu_blockalign(s->bs, r->buflen); + r->iov.iov_base = qemu_blockalign(s->qdev.conf.bs, r->buflen); } r->iov.iov_len = MIN(r->sector_count * 512, r->buflen); qemu_iovec_init_external(&r->qiov, &r->iov, 1); @@ -134,7 +133,7 @@ static void scsi_read_complete(void * opaque, int ret) if (r->req.aiocb != NULL) { r->req.aiocb = NULL; - bdrv_acct_done(s->bs, &r->acct); + bdrv_acct_done(s->qdev.conf.bs, &r->acct); } if (ret) { @@ -158,7 +157,7 @@ static void scsi_flush_complete(void * opaque, int ret) if (r->req.aiocb != NULL) { r->req.aiocb = NULL; - bdrv_acct_done(s->bs, &r->acct); + bdrv_acct_done(s->qdev.conf.bs, &r->acct); } if (ret < 0) { @@ -203,8 +202,8 @@ static void scsi_read_data(SCSIRequest *req) scsi_read_complete(r, -ENOMEDIUM); } n = scsi_init_iovec(r); - bdrv_acct_start(s->bs, &r->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ); - r->req.aiocb = bdrv_aio_readv(s->bs, r->sector, &r->qiov, n, + bdrv_acct_start(s->qdev.conf.bs, &r->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_READ); + r->req.aiocb = bdrv_aio_readv(s->qdev.conf.bs, r->sector, &r->qiov, n, scsi_read_complete, r); if (r->req.aiocb == NULL) { scsi_read_complete(r, -EIO); @@ -215,10 +214,10 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type) { int is_read = (type == SCSI_REQ_STATUS_RETRY_READ); SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev); - BlockErrorAction action = bdrv_get_on_error(s->bs, is_read); + BlockErrorAction action = bdrv_get_on_error(s->qdev.conf.bs, is_read); if (action == BLOCK_ERR_IGNORE) { - bdrv_mon_event(s->bs, BDRV_ACTION_IGNORE, is_read); + bdrv_mon_event(s->qdev.conf.bs, BDRV_ACTION_IGNORE, is_read); return 0; } @@ -228,9 +227,9 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type) type &= SCSI_REQ_STATUS_RETRY_TYPE_MASK; r->status |= SCSI_REQ_STATUS_RETRY | type; - bdrv_mon_event(s->bs, BDRV_ACTION_STOP, is_read); + bdrv_mon_event(s->qdev.conf.bs, BDRV_ACTION_STOP, is_read); vm_stop(RUN_STATE_IO_ERROR); - bdrv_iostatus_set_err(s->bs, error); + bdrv_iostatus_set_err(s->qdev.conf.bs, error); } else { switch (error) { case ENOMEDIUM: @@ -246,7 +245,7 @@ static int scsi_handle_rw_error(SCSIDiskReq *r, int error, int type) scsi_check_condition(r, SENSE_CODE(IO_ERROR)); break; } - bdrv_mon_event(s->bs, BDRV_ACTION_REPORT, is_read); + bdrv_mon_event(s->qdev.conf.bs, BDRV_ACTION_REPORT, is_read); } return 1; } @@ -259,7 +258,7 @@ static void scsi_write_complete(void * opaque, int ret) if (r->req.aiocb != NULL) { r->req.aiocb = NULL; - bdrv_acct_done(s->bs, &r->acct); + bdrv_acct_done(s->qdev.conf.bs, &r->acct); } if (ret) { @@ -300,8 +299,8 @@ static void scsi_write_data(SCSIRequest *req) if (s->tray_open) { scsi_write_complete(r, -ENOMEDIUM); } - bdrv_acct_start(s->bs, &r->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_WRITE); - r->req.aiocb = bdrv_aio_writev(s->bs, r->sector, &r->qiov, n, + bdrv_acct_start(s->qdev.conf.bs, &r->acct, n * BDRV_SECTOR_SIZE, BDRV_ACCT_WRITE); + r->req.aiocb = bdrv_aio_writev(s->qdev.conf.bs, r->sector, &r->qiov, n, scsi_write_complete, r); if (r->req.aiocb == NULL) { scsi_write_complete(r, -ENOMEM); @@ -440,7 +439,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) case 0x83: /* Device identification page, mandatory */ { int max_len = 255 - 8; - int id_len = strlen(bdrv_get_device_name(s->bs)); + int id_len = strlen(bdrv_get_device_name(s->qdev.conf.bs)); if (id_len > max_len) { id_len = max_len; @@ -454,7 +453,7 @@ static int scsi_disk_emulate_inquiry(SCSIRequest *req, uint8_t *outbuf) outbuf[buflen++] = 0; // reserved outbuf[buflen++] = id_len; // length of data following - memcpy(outbuf+buflen, bdrv_get_device_name(s->bs), id_len); + memcpy(outbuf+buflen, bdrv_get_device_name(s->qdev.conf.bs), id_len); buflen += id_len; break; } @@ -571,10 +570,10 @@ static inline bool media_is_dvd(SCSIDiskState *s) if (s->qdev.type != TYPE_ROM) { return false; } - if (!bdrv_is_inserted(s->bs)) { + if (!bdrv_is_inserted(s->qdev.conf.bs)) { return false; } - bdrv_get_geometry(s->bs, &nb_sectors); + bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); return nb_sectors > CD_MAX_SECTORS; } @@ -584,10 +583,10 @@ static inline bool media_is_cd(SCSIDiskState *s) if (s->qdev.type != TYPE_ROM) { return false; } - if (!bdrv_is_inserted(s->bs)) { + if (!bdrv_is_inserted(s->qdev.conf.bs)) { return false; } - bdrv_get_geometry(s->bs, &nb_sectors); + bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); return nb_sectors <= CD_MAX_SECTORS; } @@ -615,7 +614,7 @@ static int scsi_read_dvd_structure(SCSIDiskState *s, SCSIDiskReq *r, } if (format != 0xff) { - if (s->tray_open || !bdrv_is_inserted(s->bs)) { + if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) { scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); return -1; } @@ -637,7 +636,7 @@ static int scsi_read_dvd_structure(SCSIDiskState *s, SCSIDiskReq *r, if (layer != 0) { goto fail; } - bdrv_get_geometry(s->bs, &nb_sectors); + bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); outbuf[4] = 1; /* DVD-ROM, part version 1 */ outbuf[5] = 0xf; /* 120mm disc, minimum rate unspecified */ @@ -692,7 +691,7 @@ static int scsi_event_status_media(SCSIDiskState *s, uint8_t *outbuf) media_status = 0; if (s->tray_open) { media_status = MS_TRAY_OPEN; - } else if (bdrv_is_inserted(s->bs)) { + } else if (bdrv_is_inserted(s->qdev.conf.bs)) { media_status = MS_MEDIA_PRESENT; } @@ -795,7 +794,7 @@ static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf, [MODE_PAGE_CAPABILITIES] = (1 << TYPE_ROM), }; - BlockDriverState *bdrv = s->bs; + BlockDriverState *bdrv = s->qdev.conf.bs; int cylinders, heads, secs; uint8_t *p = *p_outbuf; @@ -887,7 +886,7 @@ static int mode_sense_page(SCSIDiskState *s, int page, uint8_t **p_outbuf, if (page_control == 1) { /* Changeable Values */ break; } - if (bdrv_enable_write_cache(s->bs)) { + if (bdrv_enable_write_cache(s->qdev.conf.bs)) { p[2] = 4; /* WCE */ } break; @@ -959,7 +958,7 @@ static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, uint8_t *outbuf) memset(outbuf, 0, r->req.cmd.xfer); p = outbuf; - if (bdrv_is_read_only(s->bs)) { + if (bdrv_is_read_only(s->qdev.conf.bs)) { dev_specific_param = 0x80; /* Readonly. */ } else { dev_specific_param = 0x00; @@ -977,7 +976,7 @@ static int scsi_disk_emulate_mode_sense(SCSIDiskReq *r, uint8_t *outbuf) p += 8; } - bdrv_get_geometry(s->bs, &nb_sectors); + bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); if (!dbd && nb_sectors) { if (r->req.cmd.buf[0] == MODE_SENSE) { outbuf[3] = 8; /* Block descriptor length */ @@ -1043,7 +1042,7 @@ static int scsi_disk_emulate_read_toc(SCSIRequest *req, uint8_t *outbuf) msf = req->cmd.buf[1] & 2; format = req->cmd.buf[2] & 0xf; start_track = req->cmd.buf[6]; - bdrv_get_geometry(s->bs, &nb_sectors); + bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); DPRINTF("Read TOC (track %d format %d msf %d)\n", start_track, format, msf >> 1); nb_sectors /= s->cluster_size; switch (format) { @@ -1080,12 +1079,12 @@ static int scsi_disk_emulate_start_stop(SCSIDiskReq *r) if (s->qdev.type == TYPE_ROM && loej) { if (!start && !s->tray_open && s->tray_locked) { scsi_check_condition(r, - bdrv_is_inserted(s->bs) + bdrv_is_inserted(s->qdev.conf.bs) ? SENSE_CODE(ILLEGAL_REQ_REMOVAL_PREVENTED) : SENSE_CODE(NOT_READY_REMOVAL_PREVENTED)); return -1; } - bdrv_eject(s->bs, !start); + bdrv_eject(s->qdev.conf.bs, !start); s->tray_open = !start; } return 0; @@ -1112,13 +1111,13 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r) goto illegal_request; } r->buflen = MAX(4096, req->cmd.xfer); - r->iov.iov_base = qemu_blockalign(s->bs, r->buflen); + r->iov.iov_base = qemu_blockalign(s->qdev.conf.bs, r->buflen); } outbuf = r->iov.iov_base; switch (req->cmd.buf[0]) { case TEST_UNIT_READY: - if (s->tray_open || !bdrv_is_inserted(s->bs)) { + if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) { goto not_ready; } break; @@ -1168,12 +1167,12 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r) break; case ALLOW_MEDIUM_REMOVAL: s->tray_locked = req->cmd.buf[4] & 1; - bdrv_lock_medium(s->bs, req->cmd.buf[4] & 1); + bdrv_lock_medium(s->qdev.conf.bs, req->cmd.buf[4] & 1); break; case READ_CAPACITY_10: /* The normal LEN field for this command is zero. */ memset(outbuf, 0, 8); - bdrv_get_geometry(s->bs, &nb_sectors); + bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); if (!nb_sectors) { goto not_ready; } @@ -1228,7 +1227,7 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r) if ((req->cmd.buf[1] & 31) == SAI_READ_CAPACITY_16) { DPRINTF("SAI READ CAPACITY(16)\n"); memset(outbuf, 0, req->cmd.xfer); - bdrv_get_geometry(s->bs, &nb_sectors); + bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); if (!nb_sectors) { goto not_ready; } @@ -1275,7 +1274,7 @@ static int scsi_disk_emulate_command(SCSIDiskReq *r) return buflen; not_ready: - if (s->tray_open || !bdrv_is_inserted(s->bs)) { + if (s->tray_open || !bdrv_is_inserted(s->qdev.conf.bs)) { scsi_check_condition(r, SENSE_CODE(NO_MEDIUM)); } else { scsi_check_condition(r, SENSE_CODE(LUN_NOT_READY)); @@ -1342,8 +1341,8 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf) r->iov.iov_len = rc; break; case SYNCHRONIZE_CACHE: - bdrv_acct_start(s->bs, &r->acct, 0, BDRV_ACCT_FLUSH); - r->req.aiocb = bdrv_aio_flush(s->bs, scsi_flush_complete, r); + bdrv_acct_start(s->qdev.conf.bs, &r->acct, 0, BDRV_ACCT_FLUSH); + r->req.aiocb = bdrv_aio_flush(s->qdev.conf.bs, scsi_flush_complete, r); if (r->req.aiocb == NULL) { scsi_flush_complete(r, -EIO); } @@ -1418,7 +1417,7 @@ static int32_t scsi_send_command(SCSIRequest *req, uint8_t *buf) goto fail; } - rc = bdrv_discard(s->bs, r->req.cmd.lba * s->cluster_size, + rc = bdrv_discard(s->qdev.conf.bs, r->req.cmd.lba * s->cluster_size, len * s->cluster_size); if (rc < 0) { /* XXX: better error code ?*/ @@ -1460,7 +1459,7 @@ static void scsi_disk_reset(DeviceState *dev) scsi_device_purge_requests(&s->qdev, SENSE_CODE(RESET)); - bdrv_get_geometry(s->bs, &nb_sectors); + bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors); nb_sectors /= s->cluster_size; if (nb_sectors) { nb_sectors--; @@ -1530,16 +1529,15 @@ static int scsi_initfn(SCSIDevice *dev, uint8_t scsi_type) error_report("scsi-disk: drive property not set"); return -1; } - s->bs = s->qdev.conf.bs; - if (scsi_type == TYPE_DISK && !bdrv_is_inserted(s->bs)) { + if (scsi_type == TYPE_DISK && !bdrv_is_inserted(s->qdev.conf.bs)) { error_report("Device needs media, but drive is empty"); return -1; } if (!s->serial) { /* try to fall back to value set with legacy -drive serial=... */ - dinfo = drive_get_by_blockdev(s->bs); + dinfo = drive_get_by_blockdev(s->qdev.conf.bs); if (*dinfo->serial) { s->serial = g_strdup(dinfo->serial); } @@ -1549,13 +1547,13 @@ static int scsi_initfn(SCSIDevice *dev, uint8_t scsi_type) s->version = g_strdup(QEMU_VERSION); } - if (bdrv_is_sg(s->bs)) { + if (bdrv_is_sg(s->qdev.conf.bs)) { error_report("scsi-disk: unwanted /dev/sg*"); return -1; } if (scsi_type == TYPE_ROM) { - bdrv_set_dev_ops(s->bs, &scsi_cd_block_ops, s); + bdrv_set_dev_ops(s->qdev.conf.bs, &scsi_cd_block_ops, s); s->qdev.blocksize = 2048; } else if (scsi_type == TYPE_DISK) { s->qdev.blocksize = s->qdev.conf.logical_block_size; @@ -1564,11 +1562,11 @@ static int scsi_initfn(SCSIDevice *dev, uint8_t scsi_type) return -1; } s->cluster_size = s->qdev.blocksize / 512; - bdrv_set_buffer_alignment(s->bs, s->qdev.blocksize); + bdrv_set_buffer_alignment(s->qdev.conf.bs, s->qdev.blocksize); s->qdev.type = scsi_type; qemu_add_vm_change_state_handler(scsi_dma_restart_cb, s); - bdrv_iostatus_enable(s->bs); + bdrv_iostatus_enable(s->qdev.conf.bs); add_boot_device_path(s->qdev.conf.bootindex, &dev->qdev, ",0"); return 0; } |