| /* |
| * 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(FW_PARAMS_MNEM_DEV) | \ |
| FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param)) |
| |
| #define FW_PARAM_PFVF(param) \ |
| (FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \ |
| FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param)| \ |
| FW_PARAMS_PARAM_Y(0) | \ |
| FW_PARAMS_PARAM_Z(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__ */ |