--- /dev/null
+/*
+
+ Linux Driver for BusLogic MultiMaster and FlashPoint SCSI Host Adapters
+
+ Copyright 1995-1998 by Leonard N. Zubkoff <lnz@dandelion.com>
+
+ This program is free software; you may redistribute and/or modify it under
+ the terms of the GNU General Public License 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 complete details.
+
+ The author respectfully requests that any modifications to this software be
+ sent directly to him for evaluation and testing.
+
+ Special thanks to Wayne Yen, Jin-Lon Hon, and Alex Win of BusLogic, whose
+ advice has been invaluable, to David Gentzel, for writing the original Linux
+ BusLogic driver, and to Paul Gortmaker, for being such a dedicated test site.
+
+ Finally, special thanks to Mylex/BusLogic for making the FlashPoint SCCB
+ Manager available as freely redistributable source code.
+
+*/
+
+#ifndef _BUSLOGIC_H
+#define _BUSLOGIC_H
+
+
+#ifndef PACKED
+#define PACKED __attribute__((packed))
+#endif
+
+/*
+ Define the maximum number of BusLogic Host Adapters supported by this driver.
+*/
+
+#define BLOGIC_MAX_ADAPTERS 16
+
+
+/*
+ Define the maximum number of Target Devices supported by this driver.
+*/
+
+#define BLOGIC_MAXDEV 16
+
+
+/*
+ Define the maximum number of Scatter/Gather Segments used by this driver.
+ For optimal performance, it is important that this limit be at least as
+ large as the largest single request generated by the I/O Subsystem.
+*/
+
+#define BLOGIC_SG_LIMIT 128
+
+
+/*
+ Define the maximum, maximum automatic, minimum automatic, and default Queue
+ Depth to allow for Target Devices depending on whether or not they support
+ Tagged Queuing and whether or not ISA Bounce Buffers are required.
+*/
+
+#define BLOGIC_MAX_TAG_DEPTH 64
+#define BLOGIC_MAX_AUTO_TAG_DEPTH 28
+#define BLOGIC_MIN_AUTO_TAG_DEPTH 7
+#define BLOGIC_TAG_DEPTH_BB 3
+#define BLOGIC_UNTAG_DEPTH 3
+#define BLOGIC_UNTAG_DEPTH_BB 2
+
+
+/*
+ Define the default amount of time in seconds to wait between a Host Adapter
+ Hard Reset which initiates a SCSI Bus Reset and issuing any SCSI commands.
+ Some SCSI devices get confused if they receive SCSI commands too soon after
+ a SCSI Bus Reset.
+*/
+
+#define BLOGIC_BUS_SETTLE_TIME 2
+
+
+/*
+ Define the maximum number of Mailboxes that should be used for MultiMaster
+ Host Adapters. This number is chosen to be larger than the maximum Host
+ Adapter Queue Depth and small enough so that the Host Adapter structure
+ does not cross an allocation block size boundary.
+*/
+
+#define BLOGIC_MAX_MAILBOX 211
+
+
+/*
+ Define the number of CCBs that should be allocated as a group to optimize
+ Kernel memory allocation.
+*/
+
+#define BLOGIC_CCB_GRP_ALLOCSIZE 7
+
+
+/*
+ Define the Host Adapter Line and Message Buffer Sizes.
+*/
+
+#define BLOGIC_LINEBUF_SIZE 100
+#define BLOGIC_MSGBUF_SIZE 9700
+
+
+/*
+ Define the Driver Message Levels.
+*/
+
+enum blogic_msglevel {
+ BLOGIC_ANNOUNCE_LEVEL = 0,
+ BLOGIC_INFO_LEVEL = 1,
+ BLOGIC_NOTICE_LEVEL = 2,
+ BLOGIC_WARN_LEVEL = 3,
+ BLOGIC_ERR_LEVEL = 4
+};
+
+static char *blogic_msglevelmap[] = { KERN_NOTICE, KERN_NOTICE, KERN_NOTICE, KERN_WARNING, KERN_ERR };
+
+
+/*
+ Define Driver Message macros.
+*/
+
+#define blogic_announce(format, args...) \
+ blogic_msg(BLOGIC_ANNOUNCE_LEVEL, format, ##args)
+
+#define blogic_info(format, args...) \
+ blogic_msg(BLOGIC_INFO_LEVEL, format, ##args)
+
+#define blogic_notice(format, args...) \
+ blogic_msg(BLOGIC_NOTICE_LEVEL, format, ##args)
+
+#define blogic_warn(format, args...) \
+ blogic_msg(BLOGIC_WARN_LEVEL, format, ##args)
+
+#define blogic_err(format, args...) \
+ blogic_msg(BLOGIC_ERR_LEVEL, format, ##args)
+
+
+/*
+ Define the types of BusLogic Host Adapters that are supported and the number
+ of I/O Addresses required by each type.
+*/
+
+enum blogic_adapter_type {
+ BLOGIC_MULTIMASTER = 1,
+ BLOGIC_FLASHPOINT = 2
+} PACKED;
+
+#define BLOGIC_MULTIMASTER_ADDR_COUNT 4
+#define BLOGIC_FLASHPOINT_ADDR_COUNT 256
+
+static int blogic_adapter_addr_count[3] = { 0, BLOGIC_MULTIMASTER_ADDR_COUNT, BLOGIC_FLASHPOINT_ADDR_COUNT };
+
+
+/*
+ Define macros for testing the Host Adapter Type.
+*/
+
+#ifdef CONFIG_SCSI_FLASHPOINT
+
+#define blogic_multimaster_type(adapter) \
+ (adapter->adapter_type == BLOGIC_MULTIMASTER)
+
+#define blogic_flashpoint_type(adapter) \
+ (adapter->adapter_type == BLOGIC_FLASHPOINT)
+
+#else
+
+#define blogic_multimaster_type(adapter) (true)
+#define blogic_flashpoint_type(adapter) (false)
+
+#endif
+
+
+/*
+ Define the possible Host Adapter Bus Types.
+*/
+
+enum blogic_adapter_bus_type {
+ BLOGIC_UNKNOWN_BUS = 0,
+ BLOGIC_ISA_BUS = 1,
+ BLOGIC_EISA_BUS = 2,
+ BLOGIC_PCI_BUS = 3,
+ BLOGIC_VESA_BUS = 4,
+ BLOGIC_MCA_BUS = 5
+} PACKED;
+
+static char *blogic_adapter_busnames[] = { "Unknown", "ISA", "EISA", "PCI", "VESA", "MCA" };
+
+static enum blogic_adapter_bus_type blogic_adater_bus_types[] = {
+ BLOGIC_VESA_BUS, /* BT-4xx */
+ BLOGIC_ISA_BUS, /* BT-5xx */
+ BLOGIC_MCA_BUS, /* BT-6xx */
+ BLOGIC_EISA_BUS, /* BT-7xx */
+ BLOGIC_UNKNOWN_BUS, /* BT-8xx */
+ BLOGIC_PCI_BUS /* BT-9xx */
+};
+
+/*
+ Define the possible Host Adapter BIOS Disk Geometry Translations.
+*/
+
+enum blogic_bios_diskgeometry {
+ BLOGIC_BIOS_NODISK = 0,
+ BLOGIC_BIOS_DISK64x32 = 1,
+ BLOGIC_BIOS_DISK128x32 = 2,
+ BLOGIC_BIOS_DISK255x63 = 3
+} PACKED;
+
+
+/*
+ Define a 10^18 Statistics Byte Counter data type.
+*/
+
+struct blogic_byte_count {
+ unsigned int units;
+ unsigned int billions;
+};
+
+
+/*
+ Define the structure for I/O Address and Bus Probing Information.
+*/
+
+struct blogic_probeinfo {
+ enum blogic_adapter_type adapter_type;
+ enum blogic_adapter_bus_type adapter_bus_type;
+ unsigned long io_addr;
+ unsigned long pci_addr;
+ struct pci_dev *pci_device;
+ unsigned char bus;
+ unsigned char dev;
+ unsigned char irq_ch;
+};
+
+/*
+ Define the Probe Options.
+*/
+
+struct blogic_probe_options {
+ bool noprobe:1; /* Bit 0 */
+ bool noprobe_isa:1; /* Bit 1 */
+ bool noprobe_pci:1; /* Bit 2 */
+ bool nosort_pci:1; /* Bit 3 */
+ bool multimaster_first:1; /* Bit 4 */
+ bool flashpoint_first:1; /* Bit 5 */
+ bool limited_isa:1; /* Bit 6 */
+ bool probe330:1; /* Bit 7 */
+ bool probe334:1; /* Bit 8 */
+ bool probe230:1; /* Bit 9 */
+ bool probe234:1; /* Bit 10 */
+ bool probe130:1; /* Bit 11 */
+ bool probe134:1; /* Bit 12 */
+};
+
+/*
+ Define the Global Options.
+*/
+
+struct blogic_global_options {
+ bool trace_probe:1; /* Bit 0 */
+ bool trace_hw_reset:1; /* Bit 1 */
+ bool trace_config:1; /* Bit 2 */
+ bool trace_err:1; /* Bit 3 */
+};
+
+/*
+ Define the BusLogic SCSI Host Adapter I/O Register Offsets.
+*/
+
+#define BLOGIC_CNTRL_REG 0 /* WO register */
+#define BLOGIC_STATUS_REG 0 /* RO register */
+#define BLOGIC_CMD_PARM_REG 1 /* WO register */
+#define BLOGIC_DATAIN_REG 1 /* RO register */
+#define BLOGIC_INT_REG 2 /* RO register */
+#define BLOGIC_GEOMETRY_REG 3 /* RO register */
+
+/*
+ Define the structure of the write-only Control Register.
+*/
+
+union blogic_cntrl_reg {
+ unsigned char all;
+ struct {
+ unsigned char:4; /* Bits 0-3 */
+ bool bus_reset:1; /* Bit 4 */
+ bool int_reset:1; /* Bit 5 */
+ bool soft_reset:1; /* Bit 6 */
+ bool hard_reset:1; /* Bit 7 */
+ } cr;
+};
+
+/*
+ Define the structure of the read-only Status Register.
+*/
+
+union blogic_stat_reg {
+ unsigned char all;
+ struct {
+ bool cmd_invalid:1; /* Bit 0 */
+ bool rsvd:1; /* Bit 1 */
+ bool datain_ready:1; /* Bit 2 */
+ bool cmd_param_busy:1; /* Bit 3 */
+ bool adapter_ready:1; /* Bit 4 */
+ bool init_reqd:1; /* Bit 5 */
+ bool diag_failed:1; /* Bit 6 */
+ bool diag_active:1; /* Bit 7 */
+ } sr;
+};
+
+/*
+ Define the structure of the read-only Interrupt Register.
+*/
+
+union blogic_int_reg {
+ unsigned char all;
+ struct {
+ bool mailin_loaded:1; /* Bit 0 */
+ bool mailout_avail:1; /* Bit 1 */
+ bool cmd_complete:1; /* Bit 2 */
+ bool ext_busreset:1; /* Bit 3 */
+ unsigned char rsvd:3; /* Bits 4-6 */
+ bool int_valid:1; /* Bit 7 */
+ } ir;
+};
+
+/*
+ Define the structure of the read-only Geometry Register.
+*/
+
+union blogic_geo_reg {
+ unsigned char all;
+ struct {
+ enum blogic_bios_diskgeometry d0_geo:2; /* Bits 0-1 */
+ enum blogic_bios_diskgeometry d1_geo:2; /* Bits 2-3 */
+ unsigned char:3; /* Bits 4-6 */
+ bool ext_trans_enable:1; /* Bit 7 */
+ } gr;
+};
+
+/*
+ Define the BusLogic SCSI Host Adapter Command Register Operation Codes.
+*/
+
+enum blogic_opcode {
+ BLOGIC_TEST_CMP_COMPLETE = 0x00,
+ BLOGIC_INIT_MBOX = 0x01,
+ BLOGIC_EXEC_MBOX_CMD = 0x02,
+ BLOGIC_EXEC_BIOS_CMD = 0x03,
+ BLOGIC_GET_BOARD_ID = 0x04,
+ BLOGIC_ENABLE_OUTBOX_AVAIL_INT = 0x05,
+ BLOGIC_SET_SELECT_TIMEOUT = 0x06,
+ BLOGIC_SET_PREEMPT_TIME = 0x07,
+ BLOGIC_SET_TIMEOFF_BUS = 0x08,
+ BLOGIC_SET_TXRATE = 0x09,
+ BLOGIC_INQ_DEV0TO7 = 0x0A,
+ BLOGIC_INQ_CONFIG = 0x0B,
+ BLOGIC_TGT_MODE = 0x0C,
+ BLOGIC_INQ_SETUPINFO = 0x0D,
+ BLOGIC_WRITE_LOCALRAM = 0x1A,
+ BLOGIC_READ_LOCALRAM = 0x1B,
+ BLOGIC_WRITE_BUSMASTER_FIFO = 0x1C,
+ BLOGIC_READ_BUSMASTER_FIFO = 0x1D,
+ BLOGIC_ECHO_CMDDATA = 0x1F,
+ BLOGIC_ADAPTER_DIAG = 0x20,
+ BLOGIC_SET_OPTIONS = 0x21,
+ BLOGIC_INQ_DEV8TO15 = 0x23,
+ BLOGIC_INQ_DEV = 0x24,
+ BLOGIC_DISABLE_INT = 0x25,
+ BLOGIC_INIT_EXT_MBOX = 0x81,
+ BLOGIC_EXEC_SCS_CMD = 0x83,
+ BLOGIC_INQ_FWVER_D3 = 0x84,
+ BLOGIC_INQ_FWVER_LETTER = 0x85,
+ BLOGIC_INQ_PCI_INFO = 0x86,
+ BLOGIC_INQ_MODELNO = 0x8B,
+ BLOGIC_INQ_SYNC_PERIOD = 0x8C,
+ BLOGIC_INQ_EXTSETUP = 0x8D,
+ BLOGIC_STRICT_RR = 0x8F,
+ BLOGIC_STORE_LOCALRAM = 0x90,
+ BLOGIC_FETCH_LOCALRAM = 0x91,
+ BLOGIC_STORE_TO_EEPROM = 0x92,
+ BLOGIC_LOAD_AUTOSCSICODE = 0x94,
+ BLOGIC_MOD_IOADDR = 0x95,
+ BLOGIC_SETCCB_FMT = 0x96,
+ BLOGIC_WRITE_INQBUF = 0x9A,
+ BLOGIC_READ_INQBUF = 0x9B,
+ BLOGIC_FLASH_LOAD = 0xA7,
+ BLOGIC_READ_SCAMDATA = 0xA8,
+ BLOGIC_WRITE_SCAMDATA = 0xA9
+};
+
+/*
+ Define the Inquire Board ID reply structure.
+*/
+
+struct blogic_board_id {
+ unsigned char type; /* Byte 0 */
+ unsigned char custom_features; /* Byte 1 */
+ unsigned char fw_ver_digit1; /* Byte 2 */
+ unsigned char fw_ver_digit2; /* Byte 3 */
+};
+
+/*
+ Define the Inquire Configuration reply structure.
+*/
+
+struct blogic_config {
+ unsigned char:5; /* Byte 0 Bits 0-4 */
+ bool dma_ch5:1; /* Byte 0 Bit 5 */
+ bool dma_ch6:1; /* Byte 0 Bit 6 */
+ bool dma_ch7:1; /* Byte 0 Bit 7 */
+ bool irq_ch9:1; /* Byte 1 Bit 0 */
+ bool irq_ch10:1; /* Byte 1 Bit 1 */
+ bool irq_ch11:1; /* Byte 1 Bit 2 */
+ bool irq_ch12:1; /* Byte 1 Bit 3 */
+ unsigned char:1; /* Byte 1 Bit 4 */
+ bool irq_ch14:1; /* Byte 1 Bit 5 */
+ bool irq_ch15:1; /* Byte 1 Bit 6 */
+ unsigned char:1; /* Byte 1 Bit 7 */
+ unsigned char id:4; /* Byte 2 Bits 0-3 */
+ unsigned char:4; /* Byte 2 Bits 4-7 */
+};
+
+/*
+ Define the Inquire Setup Information reply structure.
+*/
+
+struct blogic_syncval {
+ unsigned char offset:4; /* Bits 0-3 */
+ unsigned char tx_period:3; /* Bits 4-6 */
+ bool sync:1; /* Bit 7 */
+};
+
+struct blogic_setup_info {
+ bool sync:1; /* Byte 0 Bit 0 */
+ bool parity:1; /* Byte 0 Bit 1 */
+ unsigned char:6; /* Byte 0 Bits 2-7 */
+ unsigned char tx_rate; /* Byte 1 */
+ unsigned char preempt_time; /* Byte 2 */
+ unsigned char timeoff_bus; /* Byte 3 */
+ unsigned char mbox_count; /* Byte 4 */
+ unsigned char mbox_addr[3]; /* Bytes 5-7 */
+ struct blogic_syncval sync0to7[8]; /* Bytes 8-15 */
+ unsigned char disconnect_ok0to7; /* Byte 16 */
+ unsigned char sig; /* Byte 17 */
+ unsigned char char_d; /* Byte 18 */
+ unsigned char bus_type; /* Byte 19 */
+ unsigned char wide_tx_ok0to7; /* Byte 20 */
+ unsigned char wide_tx_active0to7; /* Byte 21 */
+ struct blogic_syncval sync8to15[8]; /* Bytes 22-29 */
+ unsigned char disconnect_ok8to15; /* Byte 30 */
+ unsigned char:8; /* Byte 31 */
+ unsigned char wide_tx_ok8to15; /* Byte 32 */
+ unsigned char wide_tx_active8to15; /* Byte 33 */
+};
+
+/*
+ Define the Initialize Extended Mailbox request structure.
+*/
+
+struct blogic_extmbox_req {
+ unsigned char mbox_count; /* Byte 0 */
+ u32 base_mbox_addr; /* Bytes 1-4 */
+} PACKED;
+
+
+/*
+ Define the Inquire PCI Host Adapter Information reply type. The ISA
+ Compatible I/O Port values are defined here and are also used with
+ the Modify I/O Address command.
+*/
+
+enum blogic_isa_ioport {
+ BLOGIC_IO_330 = 0,
+ BLOGIC_IO_334 = 1,
+ BLOGIC_IO_230 = 2,
+ BLOGIC_IO_234 = 3,
+ BLOGIC_IO_130 = 4,
+ BLOGIC_IO_134 = 5,
+ BLOGIC_IO_DISABLE = 6,
+ BLOGIC_IO_DISABLE2 = 7
+} PACKED;
+
+struct blogic_adapter_info {
+ enum blogic_isa_ioport isa_port; /* Byte 0 */
+ unsigned char irq_ch; /* Byte 1 */
+ bool low_term:1; /* Byte 2 Bit 0 */
+ bool high_term:1; /* Byte 2 Bit 1 */
+ unsigned char:2; /* Byte 2 Bits 2-3 */
+ bool JP1:1; /* Byte 2 Bit 4 */
+ bool JP2:1; /* Byte 2 Bit 5 */
+ bool JP3:1; /* Byte 2 Bit 6 */
+ bool genericinfo_valid:1; /* Byte 2 Bit 7 */
+ unsigned char:8; /* Byte 3 */
+};
+
+/*
+ Define the Inquire Extended Setup Information reply structure.
+*/
+
+struct blogic_ext_setup {
+ unsigned char bus_type; /* Byte 0 */
+ unsigned char bios_addr; /* Byte 1 */
+ unsigned short sg_limit; /* Bytes 2-3 */
+ unsigned char mbox_count; /* Byte 4 */
+ u32 base_mbox_addr; /* Bytes 5-8 */
+ struct {
+ unsigned char:2; /* Byte 9 Bits 0-1 */
+ bool fast_on_eisa:1; /* Byte 9 Bit 2 */
+ unsigned char:3; /* Byte 9 Bits 3-5 */
+ bool level_int:1; /* Byte 9 Bit 6 */
+ unsigned char:1; /* Byte 9 Bit 7 */
+ } misc;
+ unsigned char fw_rev[3]; /* Bytes 10-12 */
+ bool wide:1; /* Byte 13 Bit 0 */
+ bool differential:1; /* Byte 13 Bit 1 */
+ bool scam:1; /* Byte 13 Bit 2 */
+ bool ultra:1; /* Byte 13 Bit 3 */
+ bool smart_term:1; /* Byte 13 Bit 4 */
+ unsigned char:3; /* Byte 13 Bits 5-7 */
+} PACKED;
+
+/*
+ Define the Enable Strict Round Robin Mode request type.
+*/
+
+enum blogic_rr_req {
+ BLOGIC_AGGRESSIVE_RR = 0,
+ BLOGIC_STRICT_RR_MODE = 1
+} PACKED;
+
+
+/*
+ Define the Fetch Host Adapter Local RAM request type.
+*/
+
+#define BLOGIC_BIOS_BASE 0
+#define BLOGIC_AUTOSCSI_BASE 64
+
+struct blogic_fetch_localram {
+ unsigned char offset; /* Byte 0 */
+ unsigned char count; /* Byte 1 */
+};
+
+/*
+ Define the Host Adapter Local RAM AutoSCSI structure.
+*/
+
+struct blogic_autoscsi {
+ unsigned char factory_sig[2]; /* Bytes 0-1 */
+ unsigned char info_bytes; /* Byte 2 */
+ unsigned char adapter_type[6]; /* Bytes 3-8 */
+ unsigned char:8; /* Byte 9 */
+ bool floppy:1; /* Byte 10 Bit 0 */
+ bool floppy_sec:1; /* Byte 10 Bit 1 */
+ bool level_int:1; /* Byte 10 Bit 2 */
+ unsigned char:2; /* Byte 10 Bits 3-4 */
+ unsigned char systemram_bios:3; /* Byte 10 Bits 5-7 */
+ unsigned char dma_ch:7; /* Byte 11 Bits 0-6 */
+ bool dma_autoconf:1; /* Byte 11 Bit 7 */
+ unsigned char irq_ch:7; /* Byte 12 Bits 0-6 */
+ bool irq_autoconf:1; /* Byte 12 Bit 7 */
+ unsigned char dma_tx_rate; /* Byte 13 */
+ unsigned char scsi_id; /* Byte 14 */
+ bool low_term:1; /* Byte 15 Bit 0 */
+ bool parity:1; /* Byte 15 Bit 1 */
+ bool high_term:1; /* Byte 15 Bit 2 */
+ bool noisy_cable:1; /* Byte 15 Bit 3 */
+ bool fast_sync_neg:1; /* Byte 15 Bit 4 */
+ bool reset_enabled:1; /* Byte 15 Bit 5 */
+ bool:1; /* Byte 15 Bit 6 */
+ bool active_negation:1; /* Byte 15 Bit 7 */
+ unsigned char bus_on_delay; /* Byte 16 */
+ unsigned char bus_off_delay; /* Byte 17 */
+ bool bios_enabled:1; /* Byte 18 Bit 0 */
+ bool int19_redir_enabled:1; /* Byte 18 Bit 1 */
+ bool ext_trans_enable:1; /* Byte 18 Bit 2 */
+ bool removable_as_fixed:1; /* Byte 18 Bit 3 */
+ bool:1; /* Byte 18 Bit 4 */
+ bool morethan2_drives:1; /* Byte 18 Bit 5 */
+ bool bios_int:1; /* Byte 18 Bit 6 */
+ bool floptical:1; /* Byte 19 Bit 7 */
+ unsigned short dev_enabled; /* Bytes 19-20 */
+ unsigned short wide_ok; /* Bytes 21-22 */
+ unsigned short fast_ok; /* Bytes 23-24 */
+ unsigned short sync_ok; /* Bytes 25-26 */
+ unsigned short discon_ok; /* Bytes 27-28 */
+ unsigned short send_start_unit; /* Bytes 29-30 */
+ unsigned short ignore_bios_scan; /* Bytes 31-32 */
+ unsigned char pci_int_pin:2; /* Byte 33 Bits 0-1 */
+ unsigned char adapter_ioport:2; /* Byte 33 Bits 2-3 */
+ bool strict_rr_enabled:1; /* Byte 33 Bit 4 */
+ bool vesabus_33mhzplus:1; /* Byte 33 Bit 5 */
+ bool vesa_burst_write:1; /* Byte 33 Bit 6 */
+ bool vesa_burst_read:1; /* Byte 33 Bit 7 */
+ unsigned short ultra_ok; /* Bytes 34-35 */
+ unsigned int:32; /* Bytes 36-39 */
+ unsigned char:8; /* Byte 40 */
+ unsigned char autoscsi_maxlun; /* Byte 41 */
+ bool:1; /* Byte 42 Bit 0 */
+ bool scam_dominant:1; /* Byte 42 Bit 1 */
+ bool scam_enabled:1; /* Byte 42 Bit 2 */
+ bool scam_lev2:1; /* Byte 42 Bit 3 */
+ unsigned char:4; /* Byte 42 Bits 4-7 */
+ bool int13_exten:1; /* Byte 43 Bit 0 */
+ bool:1; /* Byte 43 Bit 1 */
+ bool cd_boot:1; /* Byte 43 Bit 2 */
+ unsigned char:5; /* Byte 43 Bits 3-7 */
+ unsigned char boot_id:4; /* Byte 44 Bits 0-3 */
+ unsigned char boot_ch:4; /* Byte 44 Bits 4-7 */
+ unsigned char force_scan_order:1; /* Byte 45 Bit 0 */
+ unsigned char:7; /* Byte 45 Bits 1-7 */
+ unsigned short nontagged_to_alt_ok; /* Bytes 46-47 */
+ unsigned short reneg_sync_on_check; /* Bytes 48-49 */
+ unsigned char rsvd[10]; /* Bytes 50-59 */
+ unsigned char manuf_diag[2]; /* Bytes 60-61 */
+ unsigned short cksum; /* Bytes 62-63 */
+} PACKED;
+
+/*
+ Define the Host Adapter Local RAM Auto SCSI Byte 45 structure.
+*/
+
+struct blogic_autoscsi_byte45 {
+ unsigned char force_scan_order:1; /* Bit 0 */
+ unsigned char:7; /* Bits 1-7 */
+};
+
+/*
+ Define the Host Adapter Local RAM BIOS Drive Map Byte structure.
+*/
+
+#define BLOGIC_BIOS_DRVMAP 17
+
+struct blogic_bios_drvmap {
+ unsigned char tgt_idbit3:1; /* Bit 0 */
+ unsigned char:2; /* Bits 1-2 */
+ enum blogic_bios_diskgeometry diskgeom:2; /* Bits 3-4 */
+ unsigned char tgt_id:3; /* Bits 5-7 */
+};
+
+/*
+ Define the Set CCB Format request type. Extended LUN Format CCBs are
+ necessary to support more than 8 Logical Units per Target Device.
+*/
+
+enum blogic_setccb_fmt {
+ BLOGIC_LEGACY_LUN_CCB = 0,
+ BLOGIC_EXT_LUN_CCB = 1
+} PACKED;
+
+/*
+ Define the Outgoing Mailbox Action Codes.
+*/
+
+enum blogic_action {
+ BLOGIC_OUTBOX_FREE = 0x00,
+ BLOGIC_MBOX_START = 0x01,
+ BLOGIC_MBOX_ABORT = 0x02
+} PACKED;
+
+
+/*
+ Define the Incoming Mailbox Completion Codes. The MultiMaster Firmware
+ only uses codes 0 - 4. The FlashPoint SCCB Manager has no mailboxes, so
+ completion codes are stored in the CCB; it only uses codes 1, 2, 4, and 5.
+*/
+
+enum blogic_cmplt_code {
+ BLOGIC_INBOX_FREE = 0x00,
+ BLOGIC_CMD_COMPLETE_GOOD = 0x01,
+ BLOGIC_CMD_ABORT_BY_HOST = 0x02,
+ BLOGIC_CMD_NOTFOUND = 0x03,
+ BLOGIC_CMD_COMPLETE_ERROR = 0x04,
+ BLOGIC_INVALID_CCB = 0x05
+} PACKED;
+
+/*
+ Define the Command Control Block (CCB) Opcodes.
+*/
+
+enum blogic_ccb_opcode {
+ BLOGIC_INITIATOR_CCB = 0x00,
+ BLOGIC_TGT_CCB = 0x01,
+ BLOGIC_INITIATOR_CCB_SG = 0x02,
+ BLOGIC_INITIATOR_CCBB_RESIDUAL = 0x03,
+ BLOGIC_INITIATOR_CCB_SG_RESIDUAL = 0x04,
+ BLOGIC_BDR = 0x81
+} PACKED;
+
+
+/*
+ Define the CCB Data Direction Codes.
+*/
+
+enum blogic_datadir {
+ BLOGIC_UNCHECKED_TX = 0,
+ BLOGIC_DATAIN_CHECKED = 1,
+ BLOGIC_DATAOUT_CHECKED = 2,
+ BLOGIC_NOTX = 3
+};
+
+
+/*
+ Define the Host Adapter Status Codes. The MultiMaster Firmware does not
+ return status code 0x0C; it uses 0x12 for both overruns and underruns.
+*/
+
+enum blogic_adapter_status {
+ BLOGIC_CMD_CMPLT_NORMAL = 0x00,
+ BLOGIC_LINK_CMD_CMPLT = 0x0A,
+ BLOGIC_LINK_CMD_CMPLT_FLAG = 0x0B,
+ BLOGIC_DATA_UNDERRUN = 0x0C,
+ BLOGIC_SELECT_TIMEOUT = 0x11,
+ BLOGIC_DATA_OVERRUN = 0x12,
+ BLOGIC_NOEXPECT_BUSFREE = 0x13,
+ BLOGIC_INVALID_BUSPHASE = 0x14,
+ BLOGIC_INVALID_OUTBOX_CODE = 0x15,
+ BLOGIC_INVALID_CMD_CODE = 0x16,
+ BLOGIC_LINKCCB_BADLUN = 0x17,
+ BLOGIC_BAD_CMD_PARAM = 0x1A,
+ BLOGIC_AUTOREQSENSE_FAIL = 0x1B,
+ BLOGIC_TAGQUEUE_REJECT = 0x1C,
+ BLOGIC_BAD_MSG_RCVD = 0x1D,
+ BLOGIC_HW_FAIL = 0x20,
+ BLOGIC_NORESPONSE_TO_ATN = 0x21,
+ BLOGIC_HW_RESET = 0x22,
+ BLOGIC_RST_FROM_OTHERDEV = 0x23,
+ BLOGIC_BAD_RECONNECT = 0x24,
+ BLOGIC_HW_BDR = 0x25,
+ BLOGIC_ABRT_QUEUE = 0x26,
+ BLOGIC_ADAPTER_SW_ERROR = 0x27,
+ BLOGIC_HW_TIMEOUT = 0x30,
+ BLOGIC_PARITY_ERR = 0x34
+} PACKED;
+
+
+/*
+ Define the SCSI Target Device Status Codes.
+*/
+
+enum blogic_tgt_status {
+ BLOGIC_OP_GOOD = 0x00,
+ BLOGIC_CHECKCONDITION = 0x02,
+ BLOGIC_DEVBUSY = 0x08
+} PACKED;
+
+/*
+ Define the Queue Tag Codes.
+*/
+
+enum blogic_queuetag {
+ BLOGIC_SIMPLETAG = 0,
+ BLOGIC_HEADTAG = 1,
+ BLOGIC_ORDEREDTAG = 2,
+ BLOGIC_RSVDTAG = 3
+};
+
+/*
+ Define the SCSI Command Descriptor Block (CDB).
+*/
+
+#define BLOGIC_CDB_MAXLEN 12
+
+
+/*
+ Define the Scatter/Gather Segment structure required by the MultiMaster
+ Firmware Interface and the FlashPoint SCCB Manager.
+*/
+
+struct blogic_sg_seg {
+ u32 segbytes; /* Bytes 0-3 */
+ u32 segdata; /* Bytes 4-7 */
+};
+
+/*
+ Define the Driver CCB Status Codes.
+*/
+
+enum blogic_ccb_status {
+ BLOGIC_CCB_FREE = 0,
+ BLOGIC_CCB_ACTIVE = 1,
+ BLOGIC_CCB_COMPLETE = 2,
+ BLOGIC_CCB_RESET = 3
+} PACKED;
+
+
+/*
+ Define the 32 Bit Mode Command Control Block (CCB) structure. The first 40
+ bytes are defined by and common to both the MultiMaster Firmware and the
+ FlashPoint SCCB Manager. The next 60 bytes are defined by the FlashPoint
+ SCCB Manager. The remaining components are defined by the Linux BusLogic
+ Driver. Extended LUN Format CCBs differ from Legacy LUN Format 32 Bit Mode
+ CCBs only in having the TagEnable and QueueTag fields moved from byte 17 to
+ byte 1, and the Logical Unit field in byte 17 expanded to 6 bits. In theory,
+ Extended LUN Format CCBs can support up to 64 Logical Units, but in practice
+ many devices will respond improperly to Logical Units between 32 and 63, and
+ the SCSI-2 specification defines Bit 5 as LUNTAR. Extended LUN Format CCBs
+ are used by recent versions of the MultiMaster Firmware, as well as by the
+ FlashPoint SCCB Manager; the FlashPoint SCCB Manager only supports 32 Logical
+ Units. Since 64 Logical Units are unlikely to be needed in practice, and
+ since they are problematic for the above reasons, and since limiting them to
+ 5 bits simplifies the CCB structure definition, this driver only supports
+ 32 Logical Units per Target Device.
+*/
+
+struct blogic_ccb {
+ /*
+ MultiMaster Firmware and FlashPoint SCCB Manager Common Portion.
+ */
+ enum blogic_ccb_opcode opcode; /* Byte 0 */
+ unsigned char:3; /* Byte 1 Bits 0-2 */
+ enum blogic_datadir datadir:2; /* Byte 1 Bits 3-4 */
+ bool tag_enable:1; /* Byte 1 Bit 5 */
+ enum blogic_queuetag queuetag:2; /* Byte 1 Bits 6-7 */
+ unsigned char cdblen; /* Byte 2 */
+ unsigned char sense_datalen; /* Byte 3 */
+ u32 datalen; /* Bytes 4-7 */
+ void *data; /* Bytes 8-11 */
+ unsigned char:8; /* Byte 12 */
+ unsigned char:8; /* Byte 13 */
+ enum blogic_adapter_status adapter_status; /* Byte 14 */
+ enum blogic_tgt_status tgt_status; /* Byte 15 */
+ unsigned char tgt_id; /* Byte 16 */
+ unsigned char lun:5; /* Byte 17 Bits 0-4 */
+ bool legacytag_enable:1; /* Byte 17 Bit 5 */
+ enum blogic_queuetag legacy_tag:2; /* Byte 17 Bits 6-7 */
+ unsigned char cdb[BLOGIC_CDB_MAXLEN]; /* Bytes 18-29 */
+ unsigned char:8; /* Byte 30 */
+ unsigned char:8; /* Byte 31 */
+ u32 rsvd_int; /* Bytes 32-35 */
+ u32 sensedata; /* Bytes 36-39 */
+ /*
+ FlashPoint SCCB Manager Defined Portion.
+ */
+ void (*callback) (struct blogic_ccb *); /* Bytes 40-43 */
+ u32 base_addr; /* Bytes 44-47 */
+ enum blogic_cmplt_code comp_code; /* Byte 48 */
+#ifdef CONFIG_SCSI_FLASHPOINT
+ unsigned char:8; /* Byte 49 */
+ u16 os_flags; /* Bytes 50-51 */
+ unsigned char private[24]; /* Bytes 52-99 */
+ void *rsvd1;
+ void *rsvd2;
+ unsigned char private2[16];
+#endif
+ /*
+ BusLogic Linux Driver Defined Portion.
+ */
+ dma_addr_t allocgrp_head;
+ unsigned int allocgrp_size;
+ u32 dma_handle;
+ enum blogic_ccb_status status;
+ unsigned long serial;
+ struct scsi_cmnd *command;
+ struct blogic_adapter *adapter;
+ struct blogic_ccb *next;
+ struct blogic_ccb *next_all;
+ struct blogic_sg_seg sglist[BLOGIC_SG_LIMIT];
+};
+
+/*
+ Define the 32 Bit Mode Outgoing Mailbox structure.
+*/
+
+struct blogic_outbox {
+ u32 ccb; /* Bytes 0-3 */
+ u32:24; /* Bytes 4-6 */
+ enum blogic_action action; /* Byte 7 */
+};
+
+/*
+ Define the 32 Bit Mode Incoming Mailbox structure.
+*/
+
+struct blogic_inbox {
+ u32 ccb; /* Bytes 0-3 */
+ enum blogic_adapter_status adapter_status; /* Byte 4 */
+ enum blogic_tgt_status tgt_status; /* Byte 5 */
+ unsigned char:8; /* Byte 6 */
+ enum blogic_cmplt_code comp_code; /* Byte 7 */
+};
+
+
+/*
+ Define the BusLogic Driver Options structure.
+*/
+
+struct blogic_drvr_options {
+ unsigned short tagq_ok;
+ unsigned short tagq_ok_mask;
+ unsigned short bus_settle_time;
+ unsigned short stop_tgt_inquiry;
+ unsigned char common_qdepth;
+ unsigned char qdepth[BLOGIC_MAXDEV];
+};
+
+/*
+ Define the Host Adapter Target Flags structure.
+*/
+
+struct blogic_tgt_flags {
+ bool tgt_exists:1;
+ bool tagq_ok:1;
+ bool wide_ok:1;
+ bool tagq_active:1;
+ bool wide_active:1;
+ bool cmd_good:1;
+ bool tgt_info_in:1;
+};
+
+/*
+ Define the Host Adapter Target Statistics structure.
+*/
+
+#define BLOGIC_SZ_BUCKETS 10
+
+struct blogic_tgt_stats {
+ unsigned int cmds_tried;
+ unsigned int cmds_complete;
+ unsigned int read_cmds;
+ unsigned int write_cmds;
+ struct blogic_byte_count bytesread;
+ struct blogic_byte_count byteswritten;
+ unsigned int read_sz_buckets[BLOGIC_SZ_BUCKETS];
+ unsigned int write_sz_buckets[BLOGIC_SZ_BUCKETS];
+ unsigned short aborts_request;
+ unsigned short aborts_tried;
+ unsigned short aborts_done;
+ unsigned short bdr_request;
+ unsigned short bdr_tried;
+ unsigned short bdr_done;
+ unsigned short adatper_reset_req;
+ unsigned short adapter_reset_attempt;
+ unsigned short adapter_reset_done;
+};
+
+/*
+ Define the FlashPoint Card Handle data type.
+*/
+
+#define FPOINT_BADCARD_HANDLE 0xFFFFFFFFL
+
+
+/*
+ Define the FlashPoint Information structure. This structure is defined
+ by the FlashPoint SCCB Manager.
+*/
+
+struct fpoint_info {
+ u32 base_addr; /* Bytes 0-3 */
+ bool present; /* Byte 4 */
+ unsigned char irq_ch; /* Byte 5 */
+ unsigned char scsi_id; /* Byte 6 */
+ unsigned char scsi_lun; /* Byte 7 */
+ u16 fw_rev; /* Bytes 8-9 */
+ u16 sync_ok; /* Bytes 10-11 */
+ u16 fast_ok; /* Bytes 12-13 */
+ u16 ultra_ok; /* Bytes 14-15 */
+ u16 discon_ok; /* Bytes 16-17 */
+ u16 wide_ok; /* Bytes 18-19 */
+ bool parity:1; /* Byte 20 Bit 0 */
+ bool wide:1; /* Byte 20 Bit 1 */
+ bool softreset:1; /* Byte 20 Bit 2 */
+ bool ext_trans_enable:1; /* Byte 20 Bit 3 */
+ bool low_term:1; /* Byte 20 Bit 4 */
+ bool high_term:1; /* Byte 20 Bit 5 */
+ bool report_underrun:1; /* Byte 20 Bit 6 */
+ bool scam_enabled:1; /* Byte 20 Bit 7 */
+ bool scam_lev2:1; /* Byte 21 Bit 0 */
+ unsigned char:7; /* Byte 21 Bits 1-7 */
+ unsigned char family; /* Byte 22 */
+ unsigned char bus_type; /* Byte 23 */
+ unsigned char model[3]; /* Bytes 24-26 */
+ unsigned char relative_cardnum; /* Byte 27 */
+ unsigned char rsvd[4]; /* Bytes 28-31 */
+ u32 os_rsvd; /* Bytes 32-35 */
+ unsigned char translation_info[4]; /* Bytes 36-39 */
+ u32 rsvd2[5]; /* Bytes 40-59 */
+ u32 sec_range; /* Bytes 60-63 */
+};
+
+/*
+ Define the BusLogic Driver Host Adapter structure.
+*/
+
+struct blogic_adapter {
+ struct Scsi_Host *scsi_host;
+ struct pci_dev *pci_device;
+ enum blogic_adapter_type adapter_type;
+ enum blogic_adapter_bus_type adapter_bus_type;
+ unsigned long io_addr;
+ unsigned long pci_addr;
+ unsigned short addr_count;
+ unsigned char host_no;
+ unsigned char model[9];
+ unsigned char fw_ver[6];
+ unsigned char full_model[18];
+ unsigned char bus;
+ unsigned char dev;
+ unsigned char irq_ch;
+ unsigned char dma_ch;
+ unsigned char scsi_id;
+ bool irq_acquired:1;
+ bool dma_chan_acquired:1;
+ bool ext_trans_enable:1;
+ bool parity:1;
+ bool reset_enabled:1;
+ bool level_int:1;
+ bool wide:1;
+ bool differential:1;
+ bool scam:1;
+ bool ultra:1;
+ bool ext_lun:1;
+ bool terminfo_valid:1;
+ bool low_term:1;
+ bool high_term:1;
+ bool need_bouncebuf:1;
+ bool strict_rr:1;
+ bool scam_enabled:1;
+ bool scam_lev2:1;
+ bool adapter_initd:1;
+ bool adapter_extreset:1;
+ bool adapter_intern_err:1;
+ bool processing_ccbs;
+ volatile bool adapter_cmd_complete;
+ unsigned short adapter_sglimit;
+ unsigned short drvr_sglimit;
+ unsigned short maxdev;
+ unsigned short maxlun;
+ unsigned short mbox_count;
+ unsigned short initccbs;
+ unsigned short inc_ccbs;
+ unsigned short alloc_ccbs;
+ unsigned short drvr_qdepth;
+ unsigned short adapter_qdepth;
+ unsigned short untag_qdepth;
+ unsigned short common_qdepth;
+ unsigned short bus_settle_time;
+ unsigned short sync_ok;
+ unsigned short fast_ok;
+ unsigned short ultra_ok;
+ unsigned short wide_ok;
+ unsigned short discon_ok;
+ unsigned short tagq_ok;
+ unsigned short ext_resets;
+ unsigned short adapter_intern_errors;
+ unsigned short tgt_count;
+ unsigned short msgbuflen;
+ u32 bios_addr;
+ struct blogic_drvr_options *drvr_opts;
+ struct fpoint_info fpinfo;
+ void *cardhandle;
+ struct list_head host_list;
+ struct blogic_ccb *all_ccbs;
+ struct blogic_ccb *free_ccbs;
+ struct blogic_ccb *firstccb;
+ struct blogic_ccb *lastccb;
+ struct blogic_ccb *bdr_pend[BLOGIC_MAXDEV];
+ struct blogic_tgt_flags tgt_flags[BLOGIC_MAXDEV];
+ unsigned char qdepth[BLOGIC_MAXDEV];
+ unsigned char sync_period[BLOGIC_MAXDEV];
+ unsigned char sync_offset[BLOGIC_MAXDEV];
+ unsigned char active_cmds[BLOGIC_MAXDEV];
+ unsigned int cmds_since_rst[BLOGIC_MAXDEV];
+ unsigned long last_seqpoint[BLOGIC_MAXDEV];
+ unsigned long last_resettried[BLOGIC_MAXDEV];
+ unsigned long last_resetdone[BLOGIC_MAXDEV];
+ struct blogic_outbox *first_outbox;
+ struct blogic_outbox *last_outbox;
+ struct blogic_outbox *next_outbox;
+ struct blogic_inbox *first_inbox;
+ struct blogic_inbox *last_inbox;
+ struct blogic_inbox *next_inbox;
+ struct blogic_tgt_stats tgt_stats[BLOGIC_MAXDEV];
+ unsigned char *mbox_space;
+ dma_addr_t mbox_space_handle;
+ unsigned int mbox_sz;
+ unsigned long ccb_offset;
+ char msgbuf[BLOGIC_MSGBUF_SIZE];
+};
+
+/*
+ Define a structure for the BIOS Disk Parameters.
+*/
+
+struct bios_diskparam {
+ int heads;
+ int sectors;
+ int cylinders;
+};
+
+/*
+ Define a structure for the SCSI Inquiry command results.
+*/
+
+struct scsi_inquiry {
+ unsigned char devtype:5; /* Byte 0 Bits 0-4 */
+ unsigned char dev_qual:3; /* Byte 0 Bits 5-7 */
+ unsigned char dev_modifier:7; /* Byte 1 Bits 0-6 */
+ bool rmb:1; /* Byte 1 Bit 7 */
+ unsigned char ansi_ver:3; /* Byte 2 Bits 0-2 */
+ unsigned char ecma_ver:3; /* Byte 2 Bits 3-5 */
+ unsigned char iso_ver:2; /* Byte 2 Bits 6-7 */
+ unsigned char resp_fmt:4; /* Byte 3 Bits 0-3 */
+ unsigned char:2; /* Byte 3 Bits 4-5 */
+ bool TrmIOP:1; /* Byte 3 Bit 6 */
+ bool AENC:1; /* Byte 3 Bit 7 */
+ unsigned char addl_len; /* Byte 4 */
+ unsigned char:8; /* Byte 5 */
+ unsigned char:8; /* Byte 6 */
+ bool SftRe:1; /* Byte 7 Bit 0 */
+ bool CmdQue:1; /* Byte 7 Bit 1 */
+ bool:1; /* Byte 7 Bit 2 */
+ bool linked:1; /* Byte 7 Bit 3 */
+ bool sync:1; /* Byte 7 Bit 4 */
+ bool WBus16:1; /* Byte 7 Bit 5 */
+ bool WBus32:1; /* Byte 7 Bit 6 */
+ bool RelAdr:1; /* Byte 7 Bit 7 */
+ unsigned char vendor[8]; /* Bytes 8-15 */
+ unsigned char product[16]; /* Bytes 16-31 */
+ unsigned char product_rev[4]; /* Bytes 32-35 */
+};
+
+
+/*
+ Define functions to provide an abstraction for reading and writing the
+ Host Adapter I/O Registers.
+*/
+
+static inline void blogic_busreset(struct blogic_adapter *adapter)
+{
+ union blogic_cntrl_reg cr;
+ cr.all = 0;
+ cr.cr.bus_reset = true;
+ outb(cr.all, adapter->io_addr + BLOGIC_CNTRL_REG);
+}
+
+static inline void blogic_intreset(struct blogic_adapter *adapter)
+{
+ union blogic_cntrl_reg cr;
+ cr.all = 0;
+ cr.cr.int_reset = true;
+ outb(cr.all, adapter->io_addr + BLOGIC_CNTRL_REG);
+}
+
+static inline void blogic_softreset(struct blogic_adapter *adapter)
+{
+ union blogic_cntrl_reg cr;
+ cr.all = 0;
+ cr.cr.soft_reset = true;
+ outb(cr.all, adapter->io_addr + BLOGIC_CNTRL_REG);
+}
+
+static inline void blogic_hardreset(struct blogic_adapter *adapter)
+{
+ union blogic_cntrl_reg cr;
+ cr.all = 0;
+ cr.cr.hard_reset = true;
+ outb(cr.all, adapter->io_addr + BLOGIC_CNTRL_REG);
+}
+
+static inline unsigned char blogic_rdstatus(struct blogic_adapter *adapter)
+{
+ return inb(adapter->io_addr + BLOGIC_STATUS_REG);
+}
+
+static inline void blogic_setcmdparam(struct blogic_adapter *adapter,
+ unsigned char value)
+{
+ outb(value, adapter->io_addr + BLOGIC_CMD_PARM_REG);
+}
+
+static inline unsigned char blogic_rddatain(struct blogic_adapter *adapter)
+{
+ return inb(adapter->io_addr + BLOGIC_DATAIN_REG);
+}
+
+static inline unsigned char blogic_rdint(struct blogic_adapter *adapter)
+{
+ return inb(adapter->io_addr + BLOGIC_INT_REG);
+}
+
+static inline unsigned char blogic_rdgeom(struct blogic_adapter *adapter)
+{
+ return inb(adapter->io_addr + BLOGIC_GEOMETRY_REG);
+}
+
+/*
+ blogic_execmbox issues an Execute Mailbox Command, which
+ notifies the Host Adapter that an entry has been made in an Outgoing
+ Mailbox.
+*/
+
+static inline void blogic_execmbox(struct blogic_adapter *adapter)
+{
+ blogic_setcmdparam(adapter, BLOGIC_EXEC_MBOX_CMD);
+}
+
+/*
+ blogic_delay waits for Seconds to elapse.
+*/
+
+static inline void blogic_delay(int seconds)
+{
+ mdelay(1000 * seconds);
+}
+
+/*
+ virt_to_32bit_virt maps between Kernel Virtual Addresses and
+ 32 bit Kernel Virtual Addresses. This avoids compilation warnings
+ on 64 bit architectures.
+*/
+
+static inline u32 virt_to_32bit_virt(void *virt_addr)
+{
+ return (u32) (unsigned long) virt_addr;
+}
+
+/*
+ blogic_inc_count increments counter by 1, stopping at
+ 65535 rather than wrapping around to 0.
+*/
+
+static inline void blogic_inc_count(unsigned short *count)
+{
+ if (*count < 65535)
+ (*count)++;
+}
+
+/*
+ blogic_addcount increments Byte Counter by Amount.
+*/
+
+static inline void blogic_addcount(struct blogic_byte_count *bytecount,
+ unsigned int amount)
+{
+ bytecount->units += amount;
+ if (bytecount->units > 999999999) {
+ bytecount->units -= 1000000000;
+ bytecount->billions++;
+ }
+}
+
+/*
+ blogic_incszbucket increments the Bucket for Amount.
+*/
+
+static inline void blogic_incszbucket(unsigned int *cmdsz_buckets,
+ unsigned int amount)
+{
+ int index = 0;
+ if (amount < 8 * 1024) {
+ if (amount < 2 * 1024)
+ index = (amount < 1 * 1024 ? 0 : 1);
+ else
+ index = (amount < 4 * 1024 ? 2 : 3);
+ } else if (amount < 128 * 1024) {
+ if (amount < 32 * 1024)
+ index = (amount < 16 * 1024 ? 4 : 5);
+ else
+ index = (amount < 64 * 1024 ? 6 : 7);
+ } else
+ index = (amount < 256 * 1024 ? 8 : 9);
+ cmdsz_buckets[index]++;
+}
+
+/*
+ Define the version number of the FlashPoint Firmware (SCCB Manager).
+*/
+
+#define FLASHPOINT_FW_VER "5.02"
+
+/*
+ Define the possible return values from FlashPoint_HandleInterrupt.
+*/
+
+#define FPOINT_NORMAL_INT 0x00
+#define FPOINT_INTERN_ERR 0xFE
+#define FPOINT_EXT_RESET 0xFF
+
+/*
+ Define prototypes for the forward referenced BusLogic Driver
+ Internal Functions.
+*/
+
+static const char *blogic_drvr_info(struct Scsi_Host *);
+static int blogic_qcmd(struct Scsi_Host *h, struct scsi_cmnd *);
+static int blogic_diskparam(struct scsi_device *, struct block_device *, sector_t, int *);
+static int blogic_slaveconfig(struct scsi_device *);
+static void blogic_qcompleted_ccb(struct blogic_ccb *);
+static irqreturn_t blogic_inthandler(int, void *);
+static int blogic_resetadapter(struct blogic_adapter *, bool hard_reset);
+static void blogic_msg(enum blogic_msglevel, char *, struct blogic_adapter *, ...);
+static int __init blogic_setup(char *);
+
+#endif /* _BUSLOGIC_H */
Code Review / kvmfornfv.git / blobdiff