[mirror_ubuntu-bionic-kernel.git] / drivers / scsi / fnic / vnic_scsi.h

/*
 * Copyright 2008 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 *
 * This program is free software; you may redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
#ifndef _VNIC_SCSI_H_
#define _VNIC_SCSI_H_

#define VNIC_FNIC_WQ_COPY_COUNT_MIN         1
#define VNIC_FNIC_WQ_COPY_COUNT_MAX         1

#define VNIC_FNIC_WQ_DESCS_MIN              64
#define VNIC_FNIC_WQ_DESCS_MAX              128

#define VNIC_FNIC_WQ_COPY_DESCS_MIN         64
#define VNIC_FNIC_WQ_COPY_DESCS_MAX         512

#define VNIC_FNIC_RQ_DESCS_MIN              64
#define VNIC_FNIC_RQ_DESCS_MAX              128

#define VNIC_FNIC_EDTOV_MIN                 1000
#define VNIC_FNIC_EDTOV_MAX                 255000
#define VNIC_FNIC_EDTOV_DEF                 2000

#define VNIC_FNIC_RATOV_MIN                 1000
#define VNIC_FNIC_RATOV_MAX                 255000

#define VNIC_FNIC_MAXDATAFIELDSIZE_MIN      256
#define VNIC_FNIC_MAXDATAFIELDSIZE_MAX      2112

#define VNIC_FNIC_FLOGI_RETRIES_MIN         0
#define VNIC_FNIC_FLOGI_RETRIES_MAX         0xffffffff
#define VNIC_FNIC_FLOGI_RETRIES_DEF         0xffffffff

#define VNIC_FNIC_FLOGI_TIMEOUT_MIN         1000
#define VNIC_FNIC_FLOGI_TIMEOUT_MAX         255000

#define VNIC_FNIC_PLOGI_RETRIES_MIN         0
#define VNIC_FNIC_PLOGI_RETRIES_MAX         255
#define VNIC_FNIC_PLOGI_RETRIES_DEF         8

#define VNIC_FNIC_PLOGI_TIMEOUT_MIN         1000
#define VNIC_FNIC_PLOGI_TIMEOUT_MAX         255000

#define VNIC_FNIC_IO_THROTTLE_COUNT_MIN     256
#define VNIC_FNIC_IO_THROTTLE_COUNT_MAX     4096

#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MIN     0
#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX     240000

#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MIN     0
#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX     240000

#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MIN  0
#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX  255

#define VNIC_FNIC_LUNS_PER_TARGET_MIN       1
#define VNIC_FNIC_LUNS_PER_TARGET_MAX       1024

/* Device-specific region: scsi configuration */
struct vnic_fc_config {
	u64 node_wwn;
	u64 port_wwn;
	u32 flags;
	u32 wq_enet_desc_count;
	u32 wq_copy_desc_count;
	u32 rq_desc_count;
	u32 flogi_retries;
	u32 flogi_timeout;
	u32 plogi_retries;
	u32 plogi_timeout;
	u32 io_throttle_count;
	u32 link_down_timeout;
	u32 port_down_timeout;
	u32 port_down_io_retries;
	u32 luns_per_tgt;
	u16 maxdatafieldsize;
	u16 ed_tov;
	u16 ra_tov;
	u16 intr_timer;
	u8 intr_timer_type;
};

#define VFCF_FCP_SEQ_LVL_ERR	0x1	/* Enable FCP-2 Error Recovery */
#define VFCF_PERBI		0x2	/* persistent binding info available */
#define VFCF_FIP_CAPABLE	0x4	/* firmware can handle FIP */

#endif /* _VNIC_SCSI_H_ */
Commit	Line	Data
5df6d737 AJ	1	/*
	2	* Copyright 2008 Cisco Systems, Inc. All rights reserved.
	3	* Copyright 2007 Nuova Systems, Inc. All rights reserved.
	4	*
	5	* This program is free software; you may redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; version 2 of the License.
	8	*
	9	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	10	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	11	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	12	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	13	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	14	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	15	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	16	* SOFTWARE.
	17	*/
	18	#ifndef _VNIC_SCSI_H_
	19	#define _VNIC_SCSI_H_
	20
	21	#define VNIC_FNIC_WQ_COPY_COUNT_MIN 1
	22	#define VNIC_FNIC_WQ_COPY_COUNT_MAX 1
	23
	24	#define VNIC_FNIC_WQ_DESCS_MIN 64
	25	#define VNIC_FNIC_WQ_DESCS_MAX 128
	26
	27	#define VNIC_FNIC_WQ_COPY_DESCS_MIN 64
	28	#define VNIC_FNIC_WQ_COPY_DESCS_MAX 512
	29
	30	#define VNIC_FNIC_RQ_DESCS_MIN 64
	31	#define VNIC_FNIC_RQ_DESCS_MAX 128
	32
	33	#define VNIC_FNIC_EDTOV_MIN 1000
	34	#define VNIC_FNIC_EDTOV_MAX 255000
	35	#define VNIC_FNIC_EDTOV_DEF 2000
	36
	37	#define VNIC_FNIC_RATOV_MIN 1000
	38	#define VNIC_FNIC_RATOV_MAX 255000
	39
	40	#define VNIC_FNIC_MAXDATAFIELDSIZE_MIN 256
	41	#define VNIC_FNIC_MAXDATAFIELDSIZE_MAX 2112
	42
	43	#define VNIC_FNIC_FLOGI_RETRIES_MIN 0
	44	#define VNIC_FNIC_FLOGI_RETRIES_MAX 0xffffffff
	45	#define VNIC_FNIC_FLOGI_RETRIES_DEF 0xffffffff
	46
	47	#define VNIC_FNIC_FLOGI_TIMEOUT_MIN 1000
	48	#define VNIC_FNIC_FLOGI_TIMEOUT_MAX 255000
	49
	50	#define VNIC_FNIC_PLOGI_RETRIES_MIN 0
	51	#define VNIC_FNIC_PLOGI_RETRIES_MAX 255
	52	#define VNIC_FNIC_PLOGI_RETRIES_DEF 8
	53
	54	#define VNIC_FNIC_PLOGI_TIMEOUT_MIN 1000
	55	#define VNIC_FNIC_PLOGI_TIMEOUT_MAX 255000
	56
	57	#define VNIC_FNIC_IO_THROTTLE_COUNT_MIN 256
	58	#define VNIC_FNIC_IO_THROTTLE_COUNT_MAX 4096
	59
	60	#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MIN 0
	61	#define VNIC_FNIC_LINK_DOWN_TIMEOUT_MAX 240000
	62
	63	#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MIN 0
	64	#define VNIC_FNIC_PORT_DOWN_TIMEOUT_MAX 240000
65
66	#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MIN 0
67	#define VNIC_FNIC_PORT_DOWN_IO_RETRIES_MAX 255
68
69	#define VNIC_FNIC_LUNS_PER_TARGET_MIN 1
70	#define VNIC_FNIC_LUNS_PER_TARGET_MAX 1024
71
72	/* Device-specific region: scsi configuration */
73	struct vnic_fc_config {
74	u64 node_wwn;
75	u64 port_wwn;
76	u32 flags;
77	u32 wq_enet_desc_count;
78	u32 wq_copy_desc_count;
79	u32 rq_desc_count;
80	u32 flogi_retries;
81	u32 flogi_timeout;
82	u32 plogi_retries;
83	u32 plogi_timeout;
84	u32 io_throttle_count;
85	u32 link_down_timeout;
86	u32 port_down_timeout;
87	u32 port_down_io_retries;
88	u32 luns_per_tgt;
89	u16 maxdatafieldsize;
90	u16 ed_tov;
91	u16 ra_tov;
92	u16 intr_timer;
93	u8 intr_timer_type;
94	};
95
96	#define VFCF_FCP_SEQ_LVL_ERR 0x1 /* Enable FCP-2 Error Recovery */
97	#define VFCF_PERBI 0x2 /* persistent binding info available */
78112e55	98	#define VFCF_FIP_CAPABLE 0x4 /* firmware can handle FIP */
5df6d737 AJ	99
5df6d737 AJ	100	#endif /* _VNIC_SCSI_H_ */