linux/drivers/scsi/snic/vnic_snic.h
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   1/*
   2 * Copyright 2014 Cisco Systems, Inc.  All rights reserved.
   3 *
   4 * This program is free software; you may redistribute it and/or modify
   5 * it under the terms of the GNU General Public License as published by
   6 * the Free Software Foundation; version 2 of the License.
   7 *
   8 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   9 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  10 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  11 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  12 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  13 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  14 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  15 * SOFTWARE.
  16 */
  17
  18#ifndef _VNIC_SNIC_H_
  19#define _VNIC_SNIC_H_
  20
  21#define VNIC_SNIC_WQ_DESCS_MIN              64
  22#define VNIC_SNIC_WQ_DESCS_MAX              1024
  23
  24#define VNIC_SNIC_MAXDATAFIELDSIZE_MIN      256
  25#define VNIC_SNIC_MAXDATAFIELDSIZE_MAX      2112
  26
  27#define VNIC_SNIC_IO_THROTTLE_COUNT_MIN     1
  28#define VNIC_SNIC_IO_THROTTLE_COUNT_MAX     1024
  29
  30#define VNIC_SNIC_PORT_DOWN_TIMEOUT_MIN     0
  31#define VNIC_SNIC_PORT_DOWN_TIMEOUT_MAX     240000
  32
  33#define VNIC_SNIC_PORT_DOWN_IO_RETRIES_MIN  0
  34#define VNIC_SNIC_PORT_DOWN_IO_RETRIES_MAX  255
  35
  36#define VNIC_SNIC_LUNS_PER_TARGET_MIN       1
  37#define VNIC_SNIC_LUNS_PER_TARGET_MAX       1024
  38
  39/* Device-specific region: scsi configuration */
  40struct vnic_snic_config {
  41        u32 flags;
  42        u32 wq_enet_desc_count;
  43        u32 io_throttle_count;
  44        u32 port_down_timeout;
  45        u32 port_down_io_retries;
  46        u32 luns_per_tgt;
  47        u16 maxdatafieldsize;
  48        u16 intr_timer;
  49        u8 intr_timer_type;
  50        u8 _resvd2;
  51        u8 xpt_type;
  52        u8 hid;
  53};
  54#endif /* _VNIC_SNIC_H_ */
  55