forked from rrcarlosr/Jetpack
268 lines
9.3 KiB
C
268 lines
9.3 KiB
C
/*
|
|
* This file is part of the Chelsio FCoE driver for Linux.
|
|
*
|
|
* Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* 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 __CSIO_MB_H__
|
|
#define __CSIO_MB_H__
|
|
|
|
#include <linux/timer.h>
|
|
#include <linux/completion.h>
|
|
|
|
#include "t4fw_api.h"
|
|
#include "t4fw_api_stor.h"
|
|
#include "csio_defs.h"
|
|
|
|
#define CSIO_STATS_OFFSET (2)
|
|
#define CSIO_NUM_STATS_PER_MB (6)
|
|
|
|
struct fw_fcoe_port_cmd_params {
|
|
uint8_t portid;
|
|
uint8_t idx;
|
|
uint8_t nstats;
|
|
};
|
|
|
|
#define CSIO_DUMP_MB(__hw, __num, __mb) \
|
|
csio_dbg(__hw, "\t%llx %llx %llx %llx %llx %llx %llx %llx\n", \
|
|
(unsigned long long)csio_rd_reg64(__hw, __mb), \
|
|
(unsigned long long)csio_rd_reg64(__hw, __mb + 8), \
|
|
(unsigned long long)csio_rd_reg64(__hw, __mb + 16), \
|
|
(unsigned long long)csio_rd_reg64(__hw, __mb + 24), \
|
|
(unsigned long long)csio_rd_reg64(__hw, __mb + 32), \
|
|
(unsigned long long)csio_rd_reg64(__hw, __mb + 40), \
|
|
(unsigned long long)csio_rd_reg64(__hw, __mb + 48), \
|
|
(unsigned long long)csio_rd_reg64(__hw, __mb + 56))
|
|
|
|
#define CSIO_MB_MAX_REGS 8
|
|
#define CSIO_MAX_MB_SIZE 64
|
|
#define CSIO_MB_POLL_FREQ 5 /* 5 ms */
|
|
#define CSIO_MB_DEFAULT_TMO FW_CMD_MAX_TIMEOUT
|
|
|
|
/* Device master in HELLO command */
|
|
enum csio_dev_master { CSIO_MASTER_CANT, CSIO_MASTER_MAY, CSIO_MASTER_MUST };
|
|
|
|
enum csio_mb_owner { CSIO_MBOWNER_NONE, CSIO_MBOWNER_FW, CSIO_MBOWNER_PL };
|
|
|
|
enum csio_dev_state {
|
|
CSIO_DEV_STATE_UNINIT,
|
|
CSIO_DEV_STATE_INIT,
|
|
CSIO_DEV_STATE_ERR
|
|
};
|
|
|
|
#define FW_PARAM_DEV(param) \
|
|
(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) | \
|
|
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_##param))
|
|
|
|
#define FW_PARAM_PFVF(param) \
|
|
(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_PFVF) | \
|
|
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_PFVF_##param)| \
|
|
FW_PARAMS_PARAM_Y_V(0) | \
|
|
FW_PARAMS_PARAM_Z_V(0))
|
|
|
|
enum {
|
|
PAUSE_RX = 1 << 0,
|
|
PAUSE_TX = 1 << 1,
|
|
PAUSE_AUTONEG = 1 << 2
|
|
};
|
|
|
|
#define CSIO_INIT_MBP(__mbp, __cp, __tmo, __priv, __fn, __clear) \
|
|
do { \
|
|
if (__clear) \
|
|
memset((__cp), 0, \
|
|
CSIO_MB_MAX_REGS * sizeof(__be64)); \
|
|
INIT_LIST_HEAD(&(__mbp)->list); \
|
|
(__mbp)->tmo = (__tmo); \
|
|
(__mbp)->priv = (void *)(__priv); \
|
|
(__mbp)->mb_cbfn = (__fn); \
|
|
(__mbp)->mb_size = sizeof(*(__cp)); \
|
|
} while (0)
|
|
|
|
struct csio_mbm_stats {
|
|
uint32_t n_req; /* number of mbox req */
|
|
uint32_t n_rsp; /* number of mbox rsp */
|
|
uint32_t n_activeq; /* number of mbox req active Q */
|
|
uint32_t n_cbfnq; /* number of mbox req cbfn Q */
|
|
uint32_t n_tmo; /* number of mbox timeout */
|
|
uint32_t n_cancel; /* number of mbox cancel */
|
|
uint32_t n_err; /* number of mbox error */
|
|
};
|
|
|
|
/* Driver version of Mailbox */
|
|
struct csio_mb {
|
|
struct list_head list; /* for req/resp */
|
|
/* queue in driver */
|
|
__be64 mb[CSIO_MB_MAX_REGS]; /* MB in HW format */
|
|
int mb_size; /* Size of this
|
|
* mailbox.
|
|
*/
|
|
uint32_t tmo; /* Timeout */
|
|
struct completion cmplobj; /* MB Completion
|
|
* object
|
|
*/
|
|
void (*mb_cbfn) (struct csio_hw *, struct csio_mb *);
|
|
/* Callback fn */
|
|
void *priv; /* Owner private ptr */
|
|
};
|
|
|
|
struct csio_mbm {
|
|
uint32_t a_mbox; /* Async mbox num */
|
|
uint32_t intr_idx; /* Interrupt index */
|
|
struct timer_list timer; /* Mbox timer */
|
|
struct list_head req_q; /* Mbox request queue */
|
|
struct list_head cbfn_q; /* Mbox completion q */
|
|
struct csio_mb *mcurrent; /* Current mailbox */
|
|
uint32_t req_q_cnt; /* Outstanding mbox
|
|
* cmds
|
|
*/
|
|
struct csio_mbm_stats stats; /* Statistics */
|
|
};
|
|
|
|
#define csio_set_mb_intr_idx(_m, _i) ((_m)->intr_idx = (_i))
|
|
#define csio_get_mb_intr_idx(_m) ((_m)->intr_idx)
|
|
|
|
struct csio_iq_params;
|
|
struct csio_eq_params;
|
|
|
|
enum fw_retval csio_mb_fw_retval(struct csio_mb *);
|
|
|
|
/* MB helpers */
|
|
void csio_mb_hello(struct csio_hw *, struct csio_mb *, uint32_t,
|
|
uint32_t, uint32_t, enum csio_dev_master,
|
|
void (*)(struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_process_hello_rsp(struct csio_hw *, struct csio_mb *,
|
|
enum fw_retval *, enum csio_dev_state *,
|
|
uint8_t *);
|
|
|
|
void csio_mb_bye(struct csio_hw *, struct csio_mb *, uint32_t,
|
|
void (*)(struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_reset(struct csio_hw *, struct csio_mb *, uint32_t, int, int,
|
|
void (*)(struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_params(struct csio_hw *, struct csio_mb *, uint32_t, unsigned int,
|
|
unsigned int, unsigned int, const u32 *, u32 *, bool,
|
|
void (*)(struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_process_read_params_rsp(struct csio_hw *, struct csio_mb *,
|
|
enum fw_retval *, unsigned int , u32 *);
|
|
|
|
void csio_mb_ldst(struct csio_hw *hw, struct csio_mb *mbp, uint32_t tmo,
|
|
int reg);
|
|
|
|
void csio_mb_caps_config(struct csio_hw *, struct csio_mb *, uint32_t,
|
|
bool, bool, bool, bool,
|
|
void (*)(struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_port(struct csio_hw *, struct csio_mb *, uint32_t,
|
|
uint8_t, bool, uint32_t, uint16_t,
|
|
void (*) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_process_read_port_rsp(struct csio_hw *, struct csio_mb *,
|
|
enum fw_retval *, uint16_t *);
|
|
|
|
void csio_mb_initialize(struct csio_hw *, struct csio_mb *, uint32_t,
|
|
void (*)(struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_iq_alloc_write(struct csio_hw *, struct csio_mb *, void *,
|
|
uint32_t, struct csio_iq_params *,
|
|
void (*) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_iq_alloc_write_rsp(struct csio_hw *, struct csio_mb *,
|
|
enum fw_retval *, struct csio_iq_params *);
|
|
|
|
void csio_mb_iq_free(struct csio_hw *, struct csio_mb *, void *,
|
|
uint32_t, struct csio_iq_params *,
|
|
void (*) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_eq_ofld_alloc_write(struct csio_hw *, struct csio_mb *, void *,
|
|
uint32_t, struct csio_eq_params *,
|
|
void (*) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_eq_ofld_alloc_write_rsp(struct csio_hw *, struct csio_mb *,
|
|
enum fw_retval *, struct csio_eq_params *);
|
|
|
|
void csio_mb_eq_ofld_free(struct csio_hw *, struct csio_mb *, void *,
|
|
uint32_t , struct csio_eq_params *,
|
|
void (*) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_fcoe_read_res_info_init_mb(struct csio_hw *, struct csio_mb *,
|
|
uint32_t,
|
|
void (*) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_write_fcoe_link_cond_init_mb(struct csio_lnode *, struct csio_mb *,
|
|
uint32_t, uint8_t, uint32_t, uint8_t, bool, uint32_t,
|
|
void (*) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_fcoe_vnp_alloc_init_mb(struct csio_lnode *, struct csio_mb *,
|
|
uint32_t, uint32_t , uint32_t , uint16_t,
|
|
uint8_t [8], uint8_t [8],
|
|
void (*) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_fcoe_vnp_read_init_mb(struct csio_lnode *, struct csio_mb *,
|
|
uint32_t, uint32_t , uint32_t ,
|
|
void (*) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_fcoe_vnp_free_init_mb(struct csio_lnode *, struct csio_mb *,
|
|
uint32_t , uint32_t, uint32_t ,
|
|
void (*) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_fcoe_read_fcf_init_mb(struct csio_lnode *, struct csio_mb *,
|
|
uint32_t, uint32_t, uint32_t,
|
|
void (*cbfn) (struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_fcoe_read_portparams_init_mb(struct csio_hw *hw,
|
|
struct csio_mb *mbp, uint32_t mb_tmo,
|
|
struct fw_fcoe_port_cmd_params *portparams,
|
|
void (*cbfn)(struct csio_hw *, struct csio_mb *));
|
|
|
|
void csio_mb_process_portparams_rsp(struct csio_hw *hw, struct csio_mb *mbp,
|
|
enum fw_retval *retval,
|
|
struct fw_fcoe_port_cmd_params *portparams,
|
|
struct fw_fcoe_port_stats *portstats);
|
|
|
|
/* MB module functions */
|
|
int csio_mbm_init(struct csio_mbm *, struct csio_hw *,
|
|
void (*)(uintptr_t));
|
|
void csio_mbm_exit(struct csio_mbm *);
|
|
void csio_mb_intr_enable(struct csio_hw *);
|
|
void csio_mb_intr_disable(struct csio_hw *);
|
|
|
|
int csio_mb_issue(struct csio_hw *, struct csio_mb *);
|
|
void csio_mb_completions(struct csio_hw *, struct list_head *);
|
|
int csio_mb_fwevt_handler(struct csio_hw *, __be64 *);
|
|
int csio_mb_isr_handler(struct csio_hw *);
|
|
struct csio_mb *csio_mb_tmo_handler(struct csio_hw *);
|
|
void csio_mb_cancel_all(struct csio_hw *, struct list_head *);
|
|
|
|
#endif /* ifndef __CSIO_MB_H__ */
|