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android_kernel_motorola_sm6225/drivers/scsi/bfa/bfad_drv.h
Krishna Gudipati e67143243a [SCSI] bfa: Resume BFA operations after firmware mismatch is resolved. 
bfad.c & bfad_drv.h:
  * Created a kernel thread from pci_probe that does the bfad start
    operations after BFA init done on a firmware mismatch.
  * The kernel thread on a fw mismatch waits for an event from IOC
    call back and is woken up from bfa_cb_init() on BFA init success.
  * In normal cases of no firmware mismatch this thread is terminated
    in pci_probe.

bfa_fcs_lport.c, fabric.c, fcs_lport.h & vport.c:
  * Split the lport init to attach time and init time code, so that
    proper config attributes are set after firmware mismatch.

bfa_iocfc.c:
  * Handle an IOC timer issue, where the IOC timer would expire before
    the init completion and send Init fail event to the driver,
    however IOC init continues and completes successfully at the later
    stage. The bfa and driver were not handling this kind of deferred
    init completion.

Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-03-04 16:17:02 +05:30

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/*
* 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.
*/
/**
* Contains base driver definitions.
*/
/**
* bfa_drv.h Linux driver data structures.
*/
#ifndef __BFAD_DRV_H__
#define __BFAD_DRV_H__
#include "bfa_os_inc.h"
#include <bfa.h>
#include <bfa_svc.h>
#include <fcs/bfa_fcs.h>
#include <defs/bfa_defs_pci.h>
#include <defs/bfa_defs_port.h>
#include <defs/bfa_defs_rport.h>
#include <fcs/bfa_fcs_rport.h>
#include <defs/bfa_defs_vport.h>
#include <fcs/bfa_fcs_vport.h>
#include <cs/bfa_plog.h>
#include "aen/bfa_aen.h"
#include <log/bfa_log_linux.h>
#define BFAD_DRIVER_NAME "bfa"
#ifdef BFA_DRIVER_VERSION
#define BFAD_DRIVER_VERSION BFA_DRIVER_VERSION
#else
#define BFAD_DRIVER_VERSION "2.0.0.0"
#endif
#define BFAD_IRQ_FLAGS IRQF_SHARED
/*
* BFAD flags
*/
#define BFAD_MSIX_ON 0x00000001
#define BFAD_HAL_INIT_DONE 0x00000002
#define BFAD_DRV_INIT_DONE 0x00000004
#define BFAD_CFG_PPORT_DONE 0x00000008
#define BFAD_HAL_START_DONE 0x00000010
#define BFAD_PORT_ONLINE 0x00000020
#define BFAD_RPORT_ONLINE 0x00000040
#define BFAD_FCS_INIT_DONE 0x00000080
#define BFAD_HAL_INIT_FAIL 0x00000100
#define BFAD_FC4_PROBE_DONE 0x00000200
#define BFAD_PORT_DELETE 0x00000001
/*
* BFAD related definition
*/
#define SCSI_SCAN_DELAY HZ
#define BFAD_STOP_TIMEOUT 30
#define BFAD_SUSPEND_TIMEOUT BFAD_STOP_TIMEOUT
/*
* BFAD configuration parameter default values
*/
#define BFAD_LUN_QUEUE_DEPTH 32
#define BFAD_IO_MAX_SGE SG_ALL
#define bfad_isr_t irq_handler_t
#define MAX_MSIX_ENTRY 22
struct bfad_msix_s {
struct bfad_s *bfad;
struct msix_entry msix;
};
enum bfad_port_pvb_type {
BFAD_PORT_PHYS_BASE = 0,
BFAD_PORT_PHYS_VPORT = 1,
BFAD_PORT_VF_BASE = 2,
BFAD_PORT_VF_VPORT = 3,
};
/*
* PORT data structure
*/
struct bfad_port_s {
struct list_head list_entry;
struct bfad_s *bfad;
struct bfa_fcs_port_s *fcs_port;
u32 roles;
s32 flags;
u32 supported_fc4s;
u8 ipfc_flags;
enum bfad_port_pvb_type pvb_type;
struct bfad_im_port_s *im_port; /* IM specific data */
struct bfad_tm_port_s *tm_port; /* TM specific data */
struct bfad_ipfc_port_s *ipfc_port; /* IPFC specific data */
};
/*
* VPORT data structure
*/
struct bfad_vport_s {
struct bfad_port_s drv_port;
struct bfa_fcs_vport_s fcs_vport;
struct completion *comp_del;
};
/*
* VF data structure
*/
struct bfad_vf_s {
bfa_fcs_vf_t fcs_vf;
struct bfad_port_s base_port; /* base port for vf */
struct bfad_s *bfad;
};
struct bfad_cfg_param_s {
u32 rport_del_timeout;
u32 ioc_queue_depth;
u32 lun_queue_depth;
u32 io_max_sge;
u32 binding_method;
};
#define BFAD_AEN_MAX_APPS 8
struct bfad_aen_file_s {
struct list_head qe;
struct bfad_s *bfad;
s32 ri;
s32 app_id;
};
/*
* BFAD (PCI function) data structure
*/
struct bfad_s {
struct list_head list_entry;
struct bfa_s bfa;
struct bfa_fcs_s bfa_fcs;
struct pci_dev *pcidev;
const char *pci_name;
struct bfa_pcidev_s hal_pcidev;
struct bfa_ioc_pci_attr_s pci_attr;
unsigned long pci_bar0_map;
void __iomem *pci_bar0_kva;
struct completion comp;
struct completion suspend;
struct completion disable_comp;
bfa_boolean_t disable_active;
struct bfad_port_s pport; /* physical port of the BFAD */
struct bfa_meminfo_s meminfo;
struct bfa_iocfc_cfg_s ioc_cfg;
u32 inst_no; /* BFAD instance number */
u32 bfad_flags;
spinlock_t bfad_lock;
struct task_struct *bfad_tsk;
struct bfad_cfg_param_s cfg_data;
struct bfad_msix_s msix_tab[MAX_MSIX_ENTRY];
int nvec;
char adapter_name[BFA_ADAPTER_SYM_NAME_LEN];
char port_name[BFA_ADAPTER_SYM_NAME_LEN];
struct timer_list hal_tmo;
unsigned long hs_start;
struct bfad_im_s *im; /* IM specific data */
struct bfad_tm_s *tm; /* TM specific data */
struct bfad_ipfc_s *ipfc; /* IPFC specific data */
struct bfa_log_mod_s log_data;
struct bfa_trc_mod_s *trcmod;
struct bfa_log_mod_s *logmod;
struct bfa_aen_s *aen;
struct bfa_aen_s aen_buf;
struct bfad_aen_file_s file_buf[BFAD_AEN_MAX_APPS];
struct list_head file_q;
struct list_head file_free_q;
struct bfa_plog_s plog_buf;
int ref_count;
bfa_boolean_t ipfc_enabled;
struct fc_host_statistics link_stats;
struct kobject *bfa_kobj;
struct kobject *ioc_kobj;
struct kobject *pport_kobj;
struct kobject *lport_kobj;
};
/*
* RPORT data structure
*/
struct bfad_rport_s {
struct bfa_fcs_rport_s fcs_rport;
};
struct bfad_buf_info {
void *virt;
dma_addr_t phys;
u32 size;
};
struct bfad_fcxp {
struct bfad_port_s *port;
struct bfa_rport_s *bfa_rport;
bfa_status_t req_status;
u16 tag;
u16 rsp_len;
u16 rsp_maxlen;
u8 use_ireqbuf;
u8 use_irspbuf;
u32 num_req_sgles;
u32 num_rsp_sgles;
struct fchs_s fchs;
void *reqbuf_info;
void *rspbuf_info;
struct bfa_sge_s *req_sge;
struct bfa_sge_s *rsp_sge;
fcxp_send_cb_t send_cbfn;
void *send_cbarg;
void *bfa_fcxp;
struct completion comp;
};
struct bfad_hal_comp {
bfa_status_t status;
struct completion comp;
};
/*
* Macro to obtain the immediate lower power
* of two for the integer.
*/
#define nextLowerInt(x) \
do { \
int j; \
(*x)--; \
for (j = 1; j < (sizeof(int) * 8); j <<= 1) \
(*x) = (*x) | (*x) >> j; \
(*x)++; \
(*x) = (*x) >> 1; \
} while (0)
bfa_status_t bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
struct bfa_port_cfg_s *port_cfg);
bfa_status_t bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
struct bfa_port_cfg_s *port_cfg);
bfa_status_t bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role);
bfa_status_t bfad_drv_init(struct bfad_s *bfad);
bfa_status_t bfad_start_ops(struct bfad_s *bfad);
void bfad_drv_start(struct bfad_s *bfad);
void bfad_uncfg_pport(struct bfad_s *bfad);
void bfad_drv_stop(struct bfad_s *bfad);
void bfad_remove_intr(struct bfad_s *bfad);
void bfad_hal_mem_release(struct bfad_s *bfad);
void bfad_hcb_comp(void *arg, bfa_status_t status);
int bfad_setup_intr(struct bfad_s *bfad);
void bfad_remove_intr(struct bfad_s *bfad);
void bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg);
bfa_status_t bfad_hal_mem_alloc(struct bfad_s *bfad);
void bfad_bfa_tmo(unsigned long data);
void bfad_init_timer(struct bfad_s *bfad);
int bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad);
void bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad);
void bfad_fcs_port_cfg(struct bfad_s *bfad);
void bfad_drv_uninit(struct bfad_s *bfad);
void bfad_drv_log_level_set(struct bfad_s *bfad);
bfa_status_t bfad_fc4_module_init(void);
void bfad_fc4_module_exit(void);
bfa_status_t bfad_os_kthread_create(struct bfad_s *bfad);
void bfad_os_kthread_stop(struct bfad_s *bfad);
void bfad_os_kthread_wakeup(struct bfad_s *bfad);
int bfad_os_kthread_should_stop(void);
int bfad_worker (void *ptr);
void bfad_pci_remove(struct pci_dev *pdev);
int bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid);
void bfad_os_rport_online_wait(struct bfad_s *bfad);
int bfad_os_get_linkup_delay(struct bfad_s *bfad);
int bfad_install_msix_handler(struct bfad_s *bfad);
extern struct idr bfad_im_port_index;
extern struct list_head bfad_list;
extern int bfa_lun_queue_depth;
extern int bfad_supported_fc4s;
extern int bfa_linkup_delay;
#endif /* __BFAD_DRV_H__ */
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