linux/drivers/scsi/bfa/bfa_ioc.h
Jing Huang 7725ccfda5 [SCSI] bfa: Brocade BFA FC SCSI driver
Add new driver for Brocade Hardware

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-10-02 09:47:40 -05:00

260 lines
7.9 KiB
C

/*
* Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*
* Linux driver for Brocade Fibre Channel Host Bus Adapter.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License (GPL) Version 2 as
* published by the Free Software Foundation
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __BFA_IOC_H__
#define __BFA_IOC_H__
#include <cs/bfa_sm.h>
#include <bfi/bfi.h>
#include <bfi/bfi_ioc.h>
#include <bfi/bfi_boot.h>
#include <bfa_timer.h>
/**
* PCI device information required by IOC
*/
struct bfa_pcidev_s {
int pci_slot;
u8 pci_func;
u16 device_id;
bfa_os_addr_t pci_bar_kva;
};
/**
* Structure used to remember the DMA-able memory block's KVA and Physical
* Address
*/
struct bfa_dma_s {
void *kva; /*! Kernel virtual address */
u64 pa; /*! Physical address */
};
#define BFA_DMA_ALIGN_SZ 256
#define BFA_ROUNDUP(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1))
#define bfa_dma_addr_set(dma_addr, pa) \
__bfa_dma_addr_set(&dma_addr, (u64)pa)
static inline void
__bfa_dma_addr_set(union bfi_addr_u *dma_addr, u64 pa)
{
dma_addr->a32.addr_lo = (u32) pa;
dma_addr->a32.addr_hi = (u32) (bfa_os_u32(pa));
}
#define bfa_dma_be_addr_set(dma_addr, pa) \
__bfa_dma_be_addr_set(&dma_addr, (u64)pa)
static inline void
__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
{
dma_addr->a32.addr_lo = (u32) bfa_os_htonl(pa);
dma_addr->a32.addr_hi = (u32) bfa_os_htonl(bfa_os_u32(pa));
}
struct bfa_ioc_regs_s {
bfa_os_addr_t hfn_mbox_cmd;
bfa_os_addr_t hfn_mbox;
bfa_os_addr_t lpu_mbox_cmd;
bfa_os_addr_t lpu_mbox;
bfa_os_addr_t pss_ctl_reg;
bfa_os_addr_t app_pll_fast_ctl_reg;
bfa_os_addr_t app_pll_slow_ctl_reg;
bfa_os_addr_t ioc_sem_reg;
bfa_os_addr_t ioc_usage_sem_reg;
bfa_os_addr_t ioc_usage_reg;
bfa_os_addr_t host_page_num_fn;
bfa_os_addr_t heartbeat;
bfa_os_addr_t ioc_fwstate;
bfa_os_addr_t ll_halt;
bfa_os_addr_t shirq_isr_next;
bfa_os_addr_t shirq_msk_next;
bfa_os_addr_t smem_page_start;
u32 smem_pg0;
};
#define bfa_reg_read(_raddr) bfa_os_reg_read(_raddr)
#define bfa_reg_write(_raddr, _val) bfa_os_reg_write(_raddr, _val)
#define bfa_mem_read(_raddr, _off) bfa_os_mem_read(_raddr, _off)
#define bfa_mem_write(_raddr, _off, _val) \
bfa_os_mem_write(_raddr, _off, _val)
/**
* IOC Mailbox structures
*/
struct bfa_mbox_cmd_s {
struct list_head qe;
u32 msg[BFI_IOC_MSGSZ];
};
/**
* IOC mailbox module
*/
typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg_s *m);
struct bfa_ioc_mbox_mod_s {
struct list_head cmd_q; /* pending mbox queue */
int nmclass; /* number of handlers */
struct {
bfa_ioc_mbox_mcfunc_t cbfn; /* message handlers */
void *cbarg;
} mbhdlr[BFI_MC_MAX];
};
/**
* IOC callback function interfaces
*/
typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status);
typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa);
typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa);
typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa);
struct bfa_ioc_cbfn_s {
bfa_ioc_enable_cbfn_t enable_cbfn;
bfa_ioc_disable_cbfn_t disable_cbfn;
bfa_ioc_hbfail_cbfn_t hbfail_cbfn;
bfa_ioc_reset_cbfn_t reset_cbfn;
};
/**
* Heartbeat failure notification queue element.
*/
struct bfa_ioc_hbfail_notify_s {
struct list_head qe;
bfa_ioc_hbfail_cbfn_t cbfn;
void *cbarg;
};
/**
* Initialize a heartbeat failure notification structure
*/
#define bfa_ioc_hbfail_init(__notify, __cbfn, __cbarg) do { \
(__notify)->cbfn = (__cbfn); \
(__notify)->cbarg = (__cbarg); \
} while (0)
struct bfa_ioc_s {
bfa_fsm_t fsm;
struct bfa_s *bfa;
struct bfa_pcidev_s pcidev;
struct bfa_timer_mod_s *timer_mod;
struct bfa_timer_s ioc_timer;
struct bfa_timer_s sem_timer;
u32 hb_count;
u32 hb_fail;
u32 retry_count;
struct list_head hb_notify_q;
void *dbg_fwsave;
int dbg_fwsave_len;
bfa_boolean_t dbg_fwsave_once;
enum bfi_mclass ioc_mc;
struct bfa_ioc_regs_s ioc_regs;
struct bfa_trc_mod_s *trcmod;
struct bfa_aen_s *aen;
struct bfa_log_mod_s *logm;
struct bfa_ioc_drv_stats_s stats;
bfa_boolean_t auto_recover;
bfa_boolean_t fcmode;
bfa_boolean_t ctdev;
bfa_boolean_t cna;
bfa_boolean_t pllinit;
u8 port_id;
struct bfa_dma_s attr_dma;
struct bfi_ioc_attr_s *attr;
struct bfa_ioc_cbfn_s *cbfn;
struct bfa_ioc_mbox_mod_s mbox_mod;
};
#define bfa_ioc_pcifn(__ioc) (__ioc)->pcidev.pci_func
#define bfa_ioc_devid(__ioc) (__ioc)->pcidev.device_id
#define bfa_ioc_bar0(__ioc) (__ioc)->pcidev.pci_bar_kva
#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
#define bfa_ioc_fetch_stats(__ioc, __stats) \
((__stats)->drv_stats) = (__ioc)->stats
#define bfa_ioc_clr_stats(__ioc) \
bfa_os_memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats))
#define bfa_ioc_maxfrsize(__ioc) (__ioc)->attr->maxfrsize
#define bfa_ioc_rx_bbcredit(__ioc) (__ioc)->attr->rx_bbcredit
#define bfa_ioc_speed_sup(__ioc) \
BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
/**
* IOC mailbox interface
*/
void bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd);
void bfa_ioc_mbox_register(struct bfa_ioc_s *ioc,
bfa_ioc_mbox_mcfunc_t *mcfuncs);
void bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc);
void bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len);
void bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg);
void bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc,
bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);
/**
* IOC interfaces
*/
void bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa,
struct bfa_ioc_cbfn_s *cbfn, struct bfa_timer_mod_s *timer_mod,
struct bfa_trc_mod_s *trcmod,
struct bfa_aen_s *aen, struct bfa_log_mod_s *logm);
void bfa_ioc_detach(struct bfa_ioc_s *ioc);
void bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev,
enum bfi_mclass mc);
u32 bfa_ioc_meminfo(void);
void bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa);
void bfa_ioc_enable(struct bfa_ioc_s *ioc);
void bfa_ioc_disable(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_intx_claim(struct bfa_ioc_s *ioc);
void bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_param);
void bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *msg);
void bfa_ioc_error_isr(struct bfa_ioc_s *ioc);
void bfa_ioc_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t intx);
bfa_status_t bfa_ioc_pll_init(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_is_operational(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_is_disabled(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc);
void bfa_ioc_cfg_complete(struct bfa_ioc_s *ioc);
void bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr);
void bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
struct bfa_adapter_attr_s *ad_attr);
int bfa_ioc_debug_trcsz(bfa_boolean_t auto_recover);
void bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave);
bfa_status_t bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata,
int *trclen);
bfa_status_t bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata,
int *trclen);
u32 bfa_ioc_smem_pgnum(struct bfa_ioc_s *ioc, u32 fmaddr);
u32 bfa_ioc_smem_pgoff(struct bfa_ioc_s *ioc, u32 fmaddr);
void bfa_ioc_set_fcmode(struct bfa_ioc_s *ioc);
bfa_boolean_t bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc);
void bfa_ioc_hbfail_register(struct bfa_ioc_s *ioc,
struct bfa_ioc_hbfail_notify_s *notify);
/*
* bfa mfg wwn API functions
*/
wwn_t bfa_ioc_get_pwwn(struct bfa_ioc_s *ioc);
wwn_t bfa_ioc_get_nwwn(struct bfa_ioc_s *ioc);
wwn_t bfa_ioc_get_wwn_naa5(struct bfa_ioc_s *ioc, u16 inst);
mac_t bfa_ioc_get_mac(struct bfa_ioc_s *ioc);
u64 bfa_ioc_get_adid(struct bfa_ioc_s *ioc);
#endif /* __BFA_IOC_H__ */