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path: root/drivers/scsi/bfa/bfad_drv.h
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Diffstat (limited to 'drivers/scsi/bfa/bfad_drv.h')
-rw-r--r--drivers/scsi/bfa/bfad_drv.h360
1 files changed, 360 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h
new file mode 100644
index 000000000..8b97877d4
--- /dev/null
+++ b/drivers/scsi/bfa/bfad_drv.h
@@ -0,0 +1,360 @@
+/*
+ * Copyright (c) 2005-2010 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 <linux/types.h>
+#include <linux/pci.h>
+#include <linux/dma-mapping.h>
+#include <linux/idr.h>
+#include <linux/interrupt.h>
+#include <linux/cdev.h>
+#include <linux/fs.h>
+#include <linux/delay.h>
+#include <linux/vmalloc.h>
+#include <linux/workqueue.h>
+#include <linux/bitops.h>
+#include <linux/aer.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_transport_fc.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_bsg_fc.h>
+#include <scsi/scsi_devinfo.h>
+
+#include "bfa_modules.h"
+#include "bfa_fcs.h"
+#include "bfa_defs_fcs.h"
+
+#include "bfa_plog.h"
+#include "bfa_cs.h"
+
+#define BFAD_DRIVER_NAME "bfa"
+#ifdef BFA_DRIVER_VERSION
+#define BFAD_DRIVER_VERSION BFA_DRIVER_VERSION
+#else
+#define BFAD_DRIVER_VERSION "3.2.23.0"
+#endif
+
+#define BFAD_PROTO_NAME FCPI_NAME
+#define BFAD_IRQ_FLAGS IRQF_SHARED
+
+#ifndef FC_PORTSPEED_8GBIT
+#define FC_PORTSPEED_8GBIT 0x10
+#endif
+
+/*
+ * 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
+#define BFAD_INTX_ON 0x00000400
+#define BFAD_EEH_BUSY 0x00000800
+#define BFAD_EEH_PCI_CHANNEL_IO_PERM_FAILURE 0x00001000
+/*
+ * 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_MIN_SECTORS 128 /* 64k */
+#define BFAD_MAX_SECTORS 0xFFFF /* 32 MB */
+
+#define bfad_isr_t irq_handler_t
+
+#define MAX_MSIX_ENTRY 22
+
+struct bfad_msix_s {
+ struct bfad_s *bfad;
+ struct msix_entry msix;
+ char name[32];
+};
+
+/*
+ * Only append to the enums defined here to avoid any versioning
+ * needed between trace utility and driver version
+ */
+enum {
+ BFA_TRC_LDRV_BFAD = 1,
+ BFA_TRC_LDRV_IM = 2,
+ BFA_TRC_LDRV_BSG = 3,
+};
+
+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_lport_s *fcs_port;
+ u32 roles;
+ s32 flags;
+ u32 supported_fc4s;
+ enum bfad_port_pvb_type pvb_type;
+ struct bfad_im_port_s *im_port; /* IM specific data */
+ /* port debugfs specific data */
+ struct dentry *port_debugfs_root;
+};
+
+/*
+ * VPORT data structure
+ */
+struct bfad_vport_s {
+ struct bfad_port_s drv_port;
+ struct bfa_fcs_vport_s fcs_vport;
+ struct completion *comp_del;
+ struct list_head list_entry;
+};
+
+/*
+ * 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;
+};
+
+union bfad_tmp_buf {
+ /* From struct bfa_adapter_attr_s */
+ char manufacturer[BFA_ADAPTER_MFG_NAME_LEN];
+ char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
+ char model[BFA_ADAPTER_MODEL_NAME_LEN];
+ char fw_ver[BFA_VERSION_LEN];
+ char optrom_ver[BFA_VERSION_LEN];
+
+ /* From struct bfa_ioc_pci_attr_s */
+ u8 chip_rev[BFA_IOC_CHIP_REV_LEN]; /* chip revision */
+
+ wwn_t wwn[BFA_FCS_MAX_LPORTS];
+};
+
+/*
+ * BFAD (PCI function) data structure
+ */
+struct bfad_s {
+ bfa_sm_t sm; /* state machine */
+ 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;
+ void __iomem *pci_bar0_kva;
+ void __iomem *pci_bar2_kva;
+ struct completion comp;
+ struct completion suspend;
+ struct completion enable_comp;
+ 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 bfa_trc_mod_s *trcmod;
+ struct bfa_plog_s plog_buf;
+ int ref_count;
+ union bfad_tmp_buf tmp_buf;
+ struct fc_host_statistics link_stats;
+ struct list_head pbc_vport_list;
+ /* debugfs specific data */
+ char *regdata;
+ u32 reglen;
+ struct dentry *bfad_dentry_files[5];
+ struct list_head free_aen_q;
+ struct list_head active_aen_q;
+ struct bfa_aen_entry_s aen_list[BFA_AEN_MAX_ENTRY];
+ spinlock_t bfad_aen_spinlock;
+ struct list_head vport_list;
+};
+
+/* BFAD state machine events */
+enum bfad_sm_event {
+ BFAD_E_CREATE = 1,
+ BFAD_E_KTHREAD_CREATE_FAILED = 2,
+ BFAD_E_INIT = 3,
+ BFAD_E_INIT_SUCCESS = 4,
+ BFAD_E_HAL_INIT_FAILED = 5,
+ BFAD_E_INIT_FAILED = 6,
+ BFAD_E_FCS_EXIT_COMP = 7,
+ BFAD_E_EXIT_COMP = 8,
+ BFAD_E_STOP = 9
+};
+
+/*
+ * 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;
+};
+
+#define BFA_LOG(level, bfad, mask, fmt, arg...) \
+do { \
+ if (((mask) == 4) || (level[1] <= '4')) \
+ dev_printk(level, &((bfad)->pcidev)->dev, fmt, ##arg); \
+} while (0)
+
+bfa_status_t bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
+ struct bfa_lport_cfg_s *port_cfg,
+ struct device *dev);
+bfa_status_t bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
+ struct bfa_lport_cfg_s *port_cfg);
+bfa_status_t bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_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_stop(struct bfad_s *bfad);
+void bfad_fcs_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_drv_uninit(struct bfad_s *bfad);
+int bfad_worker(void *ptr);
+void bfad_debugfs_init(struct bfad_port_s *port);
+void bfad_debugfs_exit(struct bfad_port_s *port);
+
+void bfad_pci_remove(struct pci_dev *pdev);
+int bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid);
+void bfad_rport_online_wait(struct bfad_s *bfad);
+int bfad_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 pci_device_id bfad_id_table[];
+extern struct list_head bfad_list;
+extern char *os_name;
+extern char *os_patch;
+extern char *host_name;
+extern int num_rports;
+extern int num_ios;
+extern int num_tms;
+extern int num_fcxps;
+extern int num_ufbufs;
+extern int reqq_size;
+extern int rspq_size;
+extern int num_sgpgs;
+extern int rport_del_timeout;
+extern int bfa_lun_queue_depth;
+extern int bfa_io_max_sge;
+extern int bfa_log_level;
+extern int ioc_auto_recover;
+extern int bfa_linkup_delay;
+extern int msix_disable_cb;
+extern int msix_disable_ct;
+extern int fdmi_enable;
+extern int supported_fc4s;
+extern int pcie_max_read_reqsz;
+extern int max_xfer_size;
+extern int bfa_debugfs_enable;
+extern struct mutex bfad_mutex;
+
+#endif /* __BFAD_DRV_H__ */