Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
		
			
				
	
	
		
			286 lines
		
	
	
	
		
			8.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			286 lines
		
	
	
	
		
			8.8 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
/*******************************************************************
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 * This file is part of the Emulex Linux Device Driver for         *
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 * Fibre Channel Host Bus Adapters.                                *
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 * Copyright (C) 2010-2012 Emulex.  All rights reserved.                *
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 * EMULEX and SLI are trademarks of Emulex.                        *
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 * www.emulex.com                                                  *
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 *                                                                 *
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 * This program is free software; you can redistribute it and/or   *
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 * modify it under the terms of version 2 of the GNU General       *
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 * Public License as published by the Free Software Foundation.    *
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 * This program is distributed in the hope that it will be useful. *
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 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
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 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
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 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
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 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
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 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
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 * more details, a copy of which can be found in the file COPYING  *
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 * included with this package.                                     *
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 *******************************************************************/
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/* bsg definitions
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 * No pointers to user data are allowed, all application buffers and sizes will
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 * derived through the bsg interface.
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 *
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 * These are the vendor unique structures passed in using the bsg
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 * FC_BSG_HST_VENDOR message code type.
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 */
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#define LPFC_BSG_VENDOR_SET_CT_EVENT		1
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#define LPFC_BSG_VENDOR_GET_CT_EVENT		2
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#define LPFC_BSG_VENDOR_SEND_MGMT_RESP		3
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#define LPFC_BSG_VENDOR_DIAG_MODE		4
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#define LPFC_BSG_VENDOR_DIAG_RUN_LOOPBACK	5
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#define LPFC_BSG_VENDOR_GET_MGMT_REV		6
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#define LPFC_BSG_VENDOR_MBOX			7
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#define LPFC_BSG_VENDOR_MENLO_CMD		8
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#define LPFC_BSG_VENDOR_MENLO_DATA		9
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#define LPFC_BSG_VENDOR_DIAG_MODE_END		10
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#define LPFC_BSG_VENDOR_LINK_DIAG_TEST		11
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struct set_ct_event {
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	uint32_t command;
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	uint32_t type_mask;
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	uint32_t ev_req_id;
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	uint32_t ev_reg_id;
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};
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struct get_ct_event {
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	uint32_t command;
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	uint32_t ev_reg_id;
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	uint32_t ev_req_id;
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};
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struct get_ct_event_reply {
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	uint32_t immed_data;
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	uint32_t type;
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};
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struct send_mgmt_resp {
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	uint32_t command;
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	uint32_t tag;
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};
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#define INTERNAL_LOOP_BACK 0x1 /* adapter short cuts the loop internally */
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#define EXTERNAL_LOOP_BACK 0x2 /* requires an external loopback plug */
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struct diag_mode_set {
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	uint32_t command;
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	uint32_t type;
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	uint32_t timeout;
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};
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struct sli4_link_diag {
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	uint32_t command;
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	uint32_t timeout;
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	uint32_t test_id;
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	uint32_t loops;
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	uint32_t test_version;
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	uint32_t error_action;
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};
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struct diag_mode_test {
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	uint32_t command;
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};
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struct diag_status {
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	uint32_t mbox_status;
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	uint32_t shdr_status;
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	uint32_t shdr_add_status;
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};
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#define LPFC_WWNN_TYPE		0
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#define LPFC_WWPN_TYPE		1
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struct get_mgmt_rev {
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	uint32_t command;
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};
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#define MANAGEMENT_MAJOR_REV   1
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#define MANAGEMENT_MINOR_REV   1
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/* the MgmtRevInfo structure */
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struct MgmtRevInfo {
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	uint32_t a_Major;
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	uint32_t a_Minor;
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};
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struct get_mgmt_rev_reply {
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	struct MgmtRevInfo info;
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};
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#define BSG_MBOX_SIZE 4096 /* mailbox command plus extended data */
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/* BSG mailbox request header */
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struct dfc_mbox_req {
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	uint32_t command;
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	uint32_t mbOffset;
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	uint32_t inExtWLen;
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	uint32_t outExtWLen;
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	uint32_t extMboxTag;
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	uint32_t extSeqNum;
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};
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/* Used for menlo command or menlo data. The xri is only used for menlo data */
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struct menlo_command {
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	uint32_t cmd;
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	uint32_t xri;
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};
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struct menlo_response {
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	uint32_t xri; /* return the xri of the iocb exchange */
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};
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/*
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 * macros and data structures for handling sli-config mailbox command
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 * pass-through support, this header file is shared between user and
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 * kernel spaces, note the set of macros are duplicates from lpfc_hw4.h,
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 * with macro names prefixed with bsg_, as the macros defined in
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 * lpfc_hw4.h are not accessible from user space.
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 */
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/* Macros to deal with bit fields. Each bit field must have 3 #defines
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 * associated with it (_SHIFT, _MASK, and _WORD).
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 * EG. For a bit field that is in the 7th bit of the "field4" field of a
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 * structure and is 2 bits in size the following #defines must exist:
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 *      struct temp {
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 *              uint32_t        field1;
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 *              uint32_t        field2;
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 *              uint32_t        field3;
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 *              uint32_t        field4;
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 *      #define example_bit_field_SHIFT         7
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 *      #define example_bit_field_MASK          0x03
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 *      #define example_bit_field_WORD          field4
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 *              uint32_t        field5;
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 *      };
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 * Then the macros below may be used to get or set the value of that field.
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 * EG. To get the value of the bit field from the above example:
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 *      struct temp t1;
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 *      value = bsg_bf_get(example_bit_field, &t1);
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 * And then to set that bit field:
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 *      bsg_bf_set(example_bit_field, &t1, 2);
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 * Or clear that bit field:
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 *      bsg_bf_set(example_bit_field, &t1, 0);
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 */
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#define bsg_bf_get_le32(name, ptr) \
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	((le32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK)
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#define bsg_bf_get(name, ptr) \
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	(((ptr)->name##_WORD >> name##_SHIFT) & name##_MASK)
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#define bsg_bf_set_le32(name, ptr, value) \
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	((ptr)->name##_WORD = cpu_to_le32(((((value) & \
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	name##_MASK) << name##_SHIFT) | (le32_to_cpu((ptr)->name##_WORD) & \
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	~(name##_MASK << name##_SHIFT)))))
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#define bsg_bf_set(name, ptr, value) \
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	((ptr)->name##_WORD = ((((value) & name##_MASK) << name##_SHIFT) | \
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	((ptr)->name##_WORD & ~(name##_MASK << name##_SHIFT))))
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/*
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 * The sli_config structure specified here is based on the following
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 * restriction:
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 *
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 * -- SLI_CONFIG EMB=0, carrying MSEs, will carry subcommands without
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 *    carrying HBD.
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 * -- SLI_CONFIG EMB=1, not carrying MSE, will carry subcommands with or
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 *    without carrying HBDs.
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 */
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struct lpfc_sli_config_mse {
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	uint32_t pa_lo;
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	uint32_t pa_hi;
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	uint32_t buf_len;
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#define lpfc_mbox_sli_config_mse_len_SHIFT	0
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#define lpfc_mbox_sli_config_mse_len_MASK	0xffffff
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#define lpfc_mbox_sli_config_mse_len_WORD	buf_len
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};
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struct lpfc_sli_config_hbd {
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	uint32_t buf_len;
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#define lpfc_mbox_sli_config_ecmn_hbd_len_SHIFT	0
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#define lpfc_mbox_sli_config_ecmn_hbd_len_MASK	0xffffff
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#define lpfc_mbox_sli_config_ecmn_hbd_len_WORD	buf_len
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	uint32_t pa_lo;
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	uint32_t pa_hi;
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};
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struct lpfc_sli_config_hdr {
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	uint32_t word1;
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#define lpfc_mbox_hdr_emb_SHIFT		0
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#define lpfc_mbox_hdr_emb_MASK		0x00000001
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#define lpfc_mbox_hdr_emb_WORD		word1
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#define lpfc_mbox_hdr_mse_cnt_SHIFT	3
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#define lpfc_mbox_hdr_mse_cnt_MASK	0x0000001f
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#define lpfc_mbox_hdr_mse_cnt_WORD	word1
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	uint32_t payload_length;
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	uint32_t tag_lo;
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	uint32_t tag_hi;
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	uint32_t reserved5;
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};
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struct lpfc_sli_config_emb0_subsys {
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	struct lpfc_sli_config_hdr	sli_config_hdr;
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#define LPFC_MBX_SLI_CONFIG_MAX_MSE     19
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	struct lpfc_sli_config_mse	mse[LPFC_MBX_SLI_CONFIG_MAX_MSE];
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	uint32_t padding;
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	uint32_t word64;
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#define lpfc_emb0_subcmnd_opcode_SHIFT	0
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#define lpfc_emb0_subcmnd_opcode_MASK	0xff
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#define lpfc_emb0_subcmnd_opcode_WORD	word64
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#define lpfc_emb0_subcmnd_subsys_SHIFT	8
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#define lpfc_emb0_subcmnd_subsys_MASK	0xff
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#define lpfc_emb0_subcmnd_subsys_WORD	word64
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/* Subsystem FCOE (0x0C) OpCodes */
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#define SLI_CONFIG_SUBSYS_FCOE		0x0C
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#define FCOE_OPCODE_READ_FCF		0x08
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#define FCOE_OPCODE_ADD_FCF		0x09
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};
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struct lpfc_sli_config_emb1_subsys {
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	struct lpfc_sli_config_hdr	sli_config_hdr;
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	uint32_t word6;
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#define lpfc_emb1_subcmnd_opcode_SHIFT	0
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#define lpfc_emb1_subcmnd_opcode_MASK	0xff
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#define lpfc_emb1_subcmnd_opcode_WORD	word6
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#define lpfc_emb1_subcmnd_subsys_SHIFT	8
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#define lpfc_emb1_subcmnd_subsys_MASK	0xff
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#define lpfc_emb1_subcmnd_subsys_WORD	word6
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/* Subsystem COMN (0x01) OpCodes */
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#define SLI_CONFIG_SUBSYS_COMN		0x01
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#define COMN_OPCODE_READ_OBJECT		0xAB
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#define COMN_OPCODE_WRITE_OBJECT	0xAC
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#define COMN_OPCODE_READ_OBJECT_LIST	0xAD
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#define COMN_OPCODE_DELETE_OBJECT	0xAE
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#define COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES	0x79
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#define COMN_OPCODE_GET_CNTL_ATTRIBUTES	0x20
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	uint32_t timeout;
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	uint32_t request_length;
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	uint32_t word9;
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#define lpfc_subcmnd_version_SHIFT	0
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#define lpfc_subcmnd_version_MASK	0xff
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#define lpfc_subcmnd_version_WORD	word9
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	uint32_t word10;
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#define lpfc_subcmnd_ask_rd_len_SHIFT	0
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#define lpfc_subcmnd_ask_rd_len_MASK	0xffffff
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#define lpfc_subcmnd_ask_rd_len_WORD	word10
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	uint32_t rd_offset;
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	uint32_t obj_name[26];
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	uint32_t hbd_count;
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#define LPFC_MBX_SLI_CONFIG_MAX_HBD	8
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	struct lpfc_sli_config_hbd	hbd[LPFC_MBX_SLI_CONFIG_MAX_HBD];
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};
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struct lpfc_sli_config_mbox {
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	uint32_t word0;
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#define lpfc_mqe_status_SHIFT		16
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#define lpfc_mqe_status_MASK		0x0000FFFF
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#define lpfc_mqe_status_WORD		word0
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#define lpfc_mqe_command_SHIFT		8
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#define lpfc_mqe_command_MASK		0x000000FF
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#define lpfc_mqe_command_WORD		word0
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	union {
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		struct lpfc_sli_config_emb0_subsys sli_config_emb0_subsys;
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		struct lpfc_sli_config_emb1_subsys sli_config_emb1_subsys;
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	} un;
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};
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/* driver only */
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#define SLI_CONFIG_NOT_HANDLED		0
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#define SLI_CONFIG_HANDLED		1
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