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Cisco has developed a new PCI HBA interface called sNIC, which stands for SCSI NIC. This is a new storage feature supported on specialized network adapter. The new PCI function provides a uniform host interface and abstracts backend storage. [jejb: fix up checkpatch errors] Signed-off-by: Narsimhulu Musini <nmusini@cisco.com> Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
55 lines
1.7 KiB
C
55 lines
1.7 KiB
C
/*
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* Copyright 2014 Cisco Systems, Inc. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _VNIC_SNIC_H_
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#define _VNIC_SNIC_H_
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#define VNIC_SNIC_WQ_DESCS_MIN 64
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#define VNIC_SNIC_WQ_DESCS_MAX 1024
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#define VNIC_SNIC_MAXDATAFIELDSIZE_MIN 256
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#define VNIC_SNIC_MAXDATAFIELDSIZE_MAX 2112
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#define VNIC_SNIC_IO_THROTTLE_COUNT_MIN 1
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#define VNIC_SNIC_IO_THROTTLE_COUNT_MAX 1024
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#define VNIC_SNIC_PORT_DOWN_TIMEOUT_MIN 0
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#define VNIC_SNIC_PORT_DOWN_TIMEOUT_MAX 240000
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#define VNIC_SNIC_PORT_DOWN_IO_RETRIES_MIN 0
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#define VNIC_SNIC_PORT_DOWN_IO_RETRIES_MAX 255
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#define VNIC_SNIC_LUNS_PER_TARGET_MIN 1
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#define VNIC_SNIC_LUNS_PER_TARGET_MAX 1024
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/* Device-specific region: scsi configuration */
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struct vnic_snic_config {
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u32 flags;
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u32 wq_enet_desc_count;
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u32 io_throttle_count;
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u32 port_down_timeout;
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u32 port_down_io_retries;
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u32 luns_per_tgt;
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u16 maxdatafieldsize;
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u16 intr_timer;
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u8 intr_timer_type;
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u8 _resvd2;
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u8 xpt_type;
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u8 hid;
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};
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#endif /* _VNIC_SNIC_H_ */
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