|  | /* qlogicpti.h: Performance Technologies QlogicISP sbus card defines. | 
|  | * | 
|  | * Copyright (C) 1996 David S. Miller (davem@caipfs.rutgers.edu) | 
|  | */ | 
|  |  | 
|  | #ifndef _QLOGICPTI_H | 
|  | #define _QLOGICPTI_H | 
|  |  | 
|  | /* Qlogic/SBUS controller registers. */ | 
|  | #define SBUS_CFG1	0x006UL | 
|  | #define SBUS_CTRL	0x008UL | 
|  | #define SBUS_STAT	0x00aUL | 
|  | #define SBUS_SEMAPHORE	0x00cUL | 
|  | #define CMD_DMA_CTRL	0x022UL | 
|  | #define DATA_DMA_CTRL	0x042UL | 
|  | #define MBOX0		0x080UL | 
|  | #define MBOX1		0x082UL | 
|  | #define MBOX2		0x084UL | 
|  | #define MBOX3		0x086UL | 
|  | #define MBOX4		0x088UL | 
|  | #define MBOX5		0x08aUL | 
|  | #define CPU_CMD		0x214UL | 
|  | #define CPU_ORIDE	0x224UL | 
|  | #define CPU_PCTRL	0x272UL | 
|  | #define CPU_PDIFF	0x276UL | 
|  | #define RISC_PSR	0x420UL | 
|  | #define RISC_MTREG	0x42EUL | 
|  | #define HCCTRL		0x440UL | 
|  |  | 
|  | /* SCSI parameters for this driver. */ | 
|  | #define MAX_TARGETS	16 | 
|  | #define MAX_LUNS	8 | 
|  |  | 
|  | /* With the qlogic interface, every queue slot can hold a SCSI | 
|  | * command with up to 4 scatter/gather entries.  If we need more | 
|  | * than 4 entries, continuation entries can be used that hold | 
|  | * another 7 entries each.  Unlike for other drivers, this means | 
|  | * that the maximum number of scatter/gather entries we can | 
|  | * support at any given time is a function of the number of queue | 
|  | * slots available.  That is, host->can_queue and host->sg_tablesize | 
|  | * are dynamic and _not_ independent.  This all works fine because | 
|  | * requests are queued serially and the scatter/gather limit is | 
|  | * determined for each queue request anew. | 
|  | */ | 
|  | #define QLOGICPTI_REQ_QUEUE_LEN	255	/* must be power of two - 1 */ | 
|  | #define QLOGICPTI_MAX_SG(ql)	(4 + (((ql) > 0) ? 7*((ql) - 1) : 0)) | 
|  |  | 
|  | /* mailbox command complete status codes */ | 
|  | #define MBOX_COMMAND_COMPLETE		0x4000 | 
|  | #define INVALID_COMMAND			0x4001 | 
|  | #define HOST_INTERFACE_ERROR		0x4002 | 
|  | #define TEST_FAILED			0x4003 | 
|  | #define COMMAND_ERROR			0x4005 | 
|  | #define COMMAND_PARAM_ERROR		0x4006 | 
|  |  | 
|  | /* async event status codes */ | 
|  | #define ASYNC_SCSI_BUS_RESET		0x8001 | 
|  | #define SYSTEM_ERROR			0x8002 | 
|  | #define REQUEST_TRANSFER_ERROR		0x8003 | 
|  | #define RESPONSE_TRANSFER_ERROR		0x8004 | 
|  | #define REQUEST_QUEUE_WAKEUP		0x8005 | 
|  | #define EXECUTION_TIMEOUT_RESET		0x8006 | 
|  |  | 
|  | /* Am I fucking pedantic or what? */ | 
|  | struct Entry_header { | 
|  | #ifdef __BIG_ENDIAN | 
|  | u8	entry_cnt; | 
|  | u8	entry_type; | 
|  | u8	flags; | 
|  | u8	sys_def_1; | 
|  | #else /* __LITTLE_ENDIAN */ | 
|  | u8	entry_type; | 
|  | u8	entry_cnt; | 
|  | u8	sys_def_1; | 
|  | u8	flags; | 
|  | #endif | 
|  | }; | 
|  |  | 
|  | /* entry header type commands */ | 
|  | #define ENTRY_COMMAND		1 | 
|  | #define ENTRY_CONTINUATION	2 | 
|  | #define ENTRY_STATUS		3 | 
|  | #define ENTRY_MARKER		4 | 
|  | #define ENTRY_EXTENDED_COMMAND	5 | 
|  |  | 
|  | /* entry header flag definitions */ | 
|  | #define EFLAG_CONTINUATION	1 | 
|  | #define EFLAG_BUSY		2 | 
|  | #define EFLAG_BAD_HEADER	4 | 
|  | #define EFLAG_BAD_PAYLOAD	8 | 
|  |  | 
|  | struct dataseg { | 
|  | u32	d_base; | 
|  | u32	d_count; | 
|  | }; | 
|  |  | 
|  | struct Command_Entry { | 
|  | struct Entry_header	hdr; | 
|  | u32			handle; | 
|  | #ifdef __BIG_ENDIAN | 
|  | u8			target_id; | 
|  | u8			target_lun; | 
|  | #else /* __LITTLE_ENDIAN */ | 
|  | u8			target_lun; | 
|  | u8			target_id; | 
|  | #endif | 
|  | u16			cdb_length; | 
|  | u16			control_flags; | 
|  | u16			rsvd; | 
|  | u16			time_out; | 
|  | u16			segment_cnt; | 
|  | u8			cdb[12]; | 
|  | struct dataseg		dataseg[4]; | 
|  | }; | 
|  |  | 
|  | /* command entry control flag definitions */ | 
|  | #define CFLAG_NODISC		0x01 | 
|  | #define CFLAG_HEAD_TAG		0x02 | 
|  | #define CFLAG_ORDERED_TAG	0x04 | 
|  | #define CFLAG_SIMPLE_TAG	0x08 | 
|  | #define CFLAG_TAR_RTN		0x10 | 
|  | #define CFLAG_READ		0x20 | 
|  | #define CFLAG_WRITE		0x40 | 
|  |  | 
|  | struct Ext_Command_Entry { | 
|  | struct Entry_header	hdr; | 
|  | u32			handle; | 
|  | #ifdef __BIG_ENDIAN | 
|  | u8			target_id; | 
|  | u8			target_lun; | 
|  | #else /* __LITTLE_ENDIAN */ | 
|  | u8			target_lun; | 
|  | u8			target_id; | 
|  | #endif | 
|  | u16			cdb_length; | 
|  | u16			control_flags; | 
|  | u16			rsvd; | 
|  | u16			time_out; | 
|  | u16			segment_cnt; | 
|  | u8			cdb[44]; | 
|  | }; | 
|  |  | 
|  | struct Continuation_Entry { | 
|  | struct Entry_header	hdr; | 
|  | u32			reserved; | 
|  | struct dataseg		dataseg[7]; | 
|  | }; | 
|  |  | 
|  | struct Marker_Entry { | 
|  | struct Entry_header	hdr; | 
|  | u32			reserved; | 
|  | #ifdef __BIG_ENDIAN | 
|  | u8			target_id; | 
|  | u8			target_lun; | 
|  | #else /* __LITTLE_ENDIAN */ | 
|  | u8			target_lun; | 
|  | u8			target_id; | 
|  | #endif | 
|  | #ifdef __BIG_ENDIAN | 
|  | u8			rsvd; | 
|  | u8			modifier; | 
|  | #else /* __LITTLE_ENDIAN */ | 
|  | u8			modifier; | 
|  | u8			rsvd; | 
|  | #endif | 
|  | u8			rsvds[52]; | 
|  | }; | 
|  |  | 
|  | /* marker entry modifier definitions */ | 
|  | #define SYNC_DEVICE	0 | 
|  | #define SYNC_TARGET	1 | 
|  | #define SYNC_ALL	2 | 
|  |  | 
|  | struct Status_Entry { | 
|  | struct Entry_header	hdr; | 
|  | u32			handle; | 
|  | u16			scsi_status; | 
|  | u16			completion_status; | 
|  | u16			state_flags; | 
|  | u16			status_flags; | 
|  | u16			time; | 
|  | u16			req_sense_len; | 
|  | u32			residual; | 
|  | u8			rsvd[8]; | 
|  | u8			req_sense_data[32]; | 
|  | }; | 
|  |  | 
|  | /* status entry completion status definitions */ | 
|  | #define CS_COMPLETE			0x0000 | 
|  | #define CS_INCOMPLETE			0x0001 | 
|  | #define CS_DMA_ERROR			0x0002 | 
|  | #define CS_TRANSPORT_ERROR		0x0003 | 
|  | #define CS_RESET_OCCURRED		0x0004 | 
|  | #define CS_ABORTED			0x0005 | 
|  | #define CS_TIMEOUT			0x0006 | 
|  | #define CS_DATA_OVERRUN			0x0007 | 
|  | #define CS_COMMAND_OVERRUN		0x0008 | 
|  | #define CS_STATUS_OVERRUN		0x0009 | 
|  | #define CS_BAD_MESSAGE			0x000a | 
|  | #define CS_NO_MESSAGE_OUT		0x000b | 
|  | #define CS_EXT_ID_FAILED		0x000c | 
|  | #define CS_IDE_MSG_FAILED		0x000d | 
|  | #define CS_ABORT_MSG_FAILED		0x000e | 
|  | #define CS_REJECT_MSG_FAILED		0x000f | 
|  | #define CS_NOP_MSG_FAILED		0x0010 | 
|  | #define CS_PARITY_ERROR_MSG_FAILED	0x0011 | 
|  | #define CS_DEVICE_RESET_MSG_FAILED	0x0012 | 
|  | #define CS_ID_MSG_FAILED		0x0013 | 
|  | #define CS_UNEXP_BUS_FREE		0x0014 | 
|  | #define CS_DATA_UNDERRUN		0x0015 | 
|  | #define CS_BUS_RESET			0x001c | 
|  |  | 
|  | /* status entry state flag definitions */ | 
|  | #define SF_GOT_BUS			0x0100 | 
|  | #define SF_GOT_TARGET			0x0200 | 
|  | #define SF_SENT_CDB			0x0400 | 
|  | #define SF_TRANSFERRED_DATA		0x0800 | 
|  | #define SF_GOT_STATUS			0x1000 | 
|  | #define SF_GOT_SENSE			0x2000 | 
|  |  | 
|  | /* status entry status flag definitions */ | 
|  | #define STF_DISCONNECT			0x0001 | 
|  | #define STF_SYNCHRONOUS			0x0002 | 
|  | #define STF_PARITY_ERROR		0x0004 | 
|  | #define STF_BUS_RESET			0x0008 | 
|  | #define STF_DEVICE_RESET		0x0010 | 
|  | #define STF_ABORTED			0x0020 | 
|  | #define STF_TIMEOUT			0x0040 | 
|  | #define STF_NEGOTIATION			0x0080 | 
|  |  | 
|  | /* mailbox commands */ | 
|  | #define MBOX_NO_OP			0x0000 | 
|  | #define MBOX_LOAD_RAM			0x0001 | 
|  | #define MBOX_EXEC_FIRMWARE		0x0002 | 
|  | #define MBOX_DUMP_RAM			0x0003 | 
|  | #define MBOX_WRITE_RAM_WORD		0x0004 | 
|  | #define MBOX_READ_RAM_WORD		0x0005 | 
|  | #define MBOX_MAILBOX_REG_TEST		0x0006 | 
|  | #define MBOX_VERIFY_CHECKSUM		0x0007 | 
|  | #define MBOX_ABOUT_FIRMWARE		0x0008 | 
|  | #define MBOX_CHECK_FIRMWARE		0x000e | 
|  | #define MBOX_INIT_REQ_QUEUE		0x0010 | 
|  | #define MBOX_INIT_RES_QUEUE		0x0011 | 
|  | #define MBOX_EXECUTE_IOCB		0x0012 | 
|  | #define MBOX_WAKE_UP			0x0013 | 
|  | #define MBOX_STOP_FIRMWARE		0x0014 | 
|  | #define MBOX_ABORT			0x0015 | 
|  | #define MBOX_ABORT_DEVICE		0x0016 | 
|  | #define MBOX_ABORT_TARGET		0x0017 | 
|  | #define MBOX_BUS_RESET			0x0018 | 
|  | #define MBOX_STOP_QUEUE			0x0019 | 
|  | #define MBOX_START_QUEUE		0x001a | 
|  | #define MBOX_SINGLE_STEP_QUEUE		0x001b | 
|  | #define MBOX_ABORT_QUEUE		0x001c | 
|  | #define MBOX_GET_DEV_QUEUE_STATUS	0x001d | 
|  | #define MBOX_GET_FIRMWARE_STATUS	0x001f | 
|  | #define MBOX_GET_INIT_SCSI_ID		0x0020 | 
|  | #define MBOX_GET_SELECT_TIMEOUT		0x0021 | 
|  | #define MBOX_GET_RETRY_COUNT		0x0022 | 
|  | #define MBOX_GET_TAG_AGE_LIMIT		0x0023 | 
|  | #define MBOX_GET_CLOCK_RATE		0x0024 | 
|  | #define MBOX_GET_ACT_NEG_STATE		0x0025 | 
|  | #define MBOX_GET_ASYNC_DATA_SETUP_TIME	0x0026 | 
|  | #define MBOX_GET_SBUS_PARAMS		0x0027 | 
|  | #define MBOX_GET_TARGET_PARAMS		0x0028 | 
|  | #define MBOX_GET_DEV_QUEUE_PARAMS	0x0029 | 
|  | #define MBOX_SET_INIT_SCSI_ID		0x0030 | 
|  | #define MBOX_SET_SELECT_TIMEOUT		0x0031 | 
|  | #define MBOX_SET_RETRY_COUNT		0x0032 | 
|  | #define MBOX_SET_TAG_AGE_LIMIT		0x0033 | 
|  | #define MBOX_SET_CLOCK_RATE		0x0034 | 
|  | #define MBOX_SET_ACTIVE_NEG_STATE	0x0035 | 
|  | #define MBOX_SET_ASYNC_DATA_SETUP_TIME	0x0036 | 
|  | #define MBOX_SET_SBUS_CONTROL_PARAMS	0x0037 | 
|  | #define MBOX_SET_TARGET_PARAMS		0x0038 | 
|  | #define MBOX_SET_DEV_QUEUE_PARAMS	0x0039 | 
|  |  | 
|  | struct host_param { | 
|  | u_short		initiator_scsi_id; | 
|  | u_short		bus_reset_delay; | 
|  | u_short		retry_count; | 
|  | u_short		retry_delay; | 
|  | u_short		async_data_setup_time; | 
|  | u_short		req_ack_active_negation; | 
|  | u_short		data_line_active_negation; | 
|  | u_short		data_dma_burst_enable; | 
|  | u_short		command_dma_burst_enable; | 
|  | u_short		tag_aging; | 
|  | u_short		selection_timeout; | 
|  | u_short		max_queue_depth; | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * Device Flags: | 
|  | * | 
|  | * Bit  Name | 
|  | * --------- | 
|  | *  7   Disconnect Privilege | 
|  | *  6   Parity Checking | 
|  | *  5   Wide Data Transfers | 
|  | *  4   Synchronous Data Transfers | 
|  | *  3   Tagged Queuing | 
|  | *  2   Automatic Request Sense | 
|  | *  1   Stop Queue on Check Condition | 
|  | *  0   Renegotiate on Error | 
|  | */ | 
|  |  | 
|  | struct dev_param { | 
|  | u_short		device_flags; | 
|  | u_short		execution_throttle; | 
|  | u_short		synchronous_period; | 
|  | u_short		synchronous_offset; | 
|  | u_short		device_enable; | 
|  | u_short		reserved; /* pad */ | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * The result queue can be quite a bit smaller since continuation entries | 
|  | * do not show up there: | 
|  | */ | 
|  | #define RES_QUEUE_LEN		255	/* Must be power of two - 1 */ | 
|  | #define QUEUE_ENTRY_LEN		64 | 
|  |  | 
|  | #define NEXT_REQ_PTR(wheee)   (((wheee) + 1) & QLOGICPTI_REQ_QUEUE_LEN) | 
|  | #define NEXT_RES_PTR(wheee)   (((wheee) + 1) & RES_QUEUE_LEN) | 
|  | #define PREV_REQ_PTR(wheee)   (((wheee) - 1) & QLOGICPTI_REQ_QUEUE_LEN) | 
|  | #define PREV_RES_PTR(wheee)   (((wheee) - 1) & RES_QUEUE_LEN) | 
|  |  | 
|  | struct pti_queue_entry { | 
|  | char __opaque[QUEUE_ENTRY_LEN]; | 
|  | }; | 
|  |  | 
|  | struct scsi_cmnd; | 
|  |  | 
|  | /* Software state for the driver. */ | 
|  | struct qlogicpti { | 
|  | /* These are the hot elements in the cache, so they come first. */ | 
|  | void __iomem             *qregs;                /* Adapter registers          */ | 
|  | struct pti_queue_entry   *res_cpu;              /* Ptr to RESPONSE bufs (CPU) */ | 
|  | struct pti_queue_entry   *req_cpu;              /* Ptr to REQUEST bufs (CPU)  */ | 
|  |  | 
|  | u_int	                  req_in_ptr;		/* index of next request slot */ | 
|  | u_int	                  res_out_ptr;		/* index of next result slot  */ | 
|  | long	                  send_marker;		/* must we send a marker?     */ | 
|  | struct platform_device	 *op; | 
|  | unsigned long		  __pad; | 
|  |  | 
|  | int                       cmd_count[MAX_TARGETS]; | 
|  | unsigned long             tag_ages[MAX_TARGETS]; | 
|  |  | 
|  | /* The cmd->handler is only 32-bits, so that things work even on monster | 
|  | * Ex000 sparc64 machines with >4GB of ram we just keep track of the | 
|  | * scsi command pointers here.  This is essentially what Matt Jacob does. -DaveM | 
|  | */ | 
|  | struct scsi_cmnd         *cmd_slots[QLOGICPTI_REQ_QUEUE_LEN + 1]; | 
|  |  | 
|  | /* The rest of the elements are unimportant for performance. */ | 
|  | struct qlogicpti         *next; | 
|  | __u32                     res_dvma;             /* Ptr to RESPONSE bufs (DVMA)*/ | 
|  | __u32                     req_dvma;             /* Ptr to REQUEST bufs (DVMA) */ | 
|  | u_char	                  fware_majrev, fware_minrev, fware_micrev; | 
|  | struct Scsi_Host         *qhost; | 
|  | int                       qpti_id; | 
|  | int                       scsi_id; | 
|  | int                       prom_node; | 
|  | char                      prom_name[64]; | 
|  | int                       irq; | 
|  | char                      differential, ultra, clock; | 
|  | unsigned char             bursts; | 
|  | struct	host_param        host_param; | 
|  | struct	dev_param         dev_param[MAX_TARGETS]; | 
|  |  | 
|  | void __iomem              *sreg; | 
|  | #define SREG_TPOWER               0x80   /* State of termpwr           */ | 
|  | #define SREG_FUSE                 0x40   /* State of on board fuse     */ | 
|  | #define SREG_PDISAB               0x20   /* Disable state for power on */ | 
|  | #define SREG_DSENSE               0x10   /* Sense for differential     */ | 
|  | #define SREG_IMASK                0x0c   /* Interrupt level            */ | 
|  | #define SREG_SPMASK               0x03   /* Mask for switch pack       */ | 
|  | unsigned char             swsreg; | 
|  | unsigned int | 
|  | gotirq	:	1,	/* this instance got an irq */ | 
|  | is_pti	: 	1;	/* Non-zero if this is a PTI board. */ | 
|  | }; | 
|  |  | 
|  | /* How to twiddle them bits... */ | 
|  |  | 
|  | /* SBUS config register one. */ | 
|  | #define SBUS_CFG1_EPAR          0x0100      /* Enable parity checking           */ | 
|  | #define SBUS_CFG1_FMASK         0x00f0      /* Forth code cycle mask            */ | 
|  | #define SBUS_CFG1_BENAB         0x0004      /* Burst dvma enable                */ | 
|  | #define SBUS_CFG1_B64           0x0003      /* Enable 64byte bursts             */ | 
|  | #define SBUS_CFG1_B32           0x0002      /* Enable 32byte bursts             */ | 
|  | #define SBUS_CFG1_B16           0x0001      /* Enable 16byte bursts             */ | 
|  | #define SBUS_CFG1_B8            0x0008      /* Enable 8byte bursts              */ | 
|  |  | 
|  | /* SBUS control register */ | 
|  | #define SBUS_CTRL_EDIRQ         0x0020      /* Enable Data DVMA Interrupts      */ | 
|  | #define SBUS_CTRL_ECIRQ         0x0010      /* Enable Command DVMA Interrupts   */ | 
|  | #define SBUS_CTRL_ESIRQ         0x0008      /* Enable SCSI Processor Interrupts */ | 
|  | #define SBUS_CTRL_ERIRQ         0x0004      /* Enable RISC Processor Interrupts */ | 
|  | #define SBUS_CTRL_GENAB         0x0002      /* Global Interrupt Enable          */ | 
|  | #define SBUS_CTRL_RESET         0x0001      /* Soft Reset                       */ | 
|  |  | 
|  | /* SBUS status register */ | 
|  | #define SBUS_STAT_DINT          0x0020      /* Data DVMA IRQ pending            */ | 
|  | #define SBUS_STAT_CINT          0x0010      /* Command DVMA IRQ pending         */ | 
|  | #define SBUS_STAT_SINT          0x0008      /* SCSI Processor IRQ pending       */ | 
|  | #define SBUS_STAT_RINT          0x0004      /* RISC Processor IRQ pending       */ | 
|  | #define SBUS_STAT_GINT          0x0002      /* Global IRQ pending               */ | 
|  |  | 
|  | /* SBUS semaphore register */ | 
|  | #define SBUS_SEMAPHORE_STAT     0x0002      /* Semaphore status bit             */ | 
|  | #define SBUS_SEMAPHORE_LCK      0x0001      /* Semaphore lock bit               */ | 
|  |  | 
|  | /* DVMA control register */ | 
|  | #define DMA_CTRL_CSUSPEND       0x0010      /* DMA channel suspend              */ | 
|  | #define DMA_CTRL_CCLEAR         0x0008      /* DMA channel clear and reset      */ | 
|  | #define DMA_CTRL_FCLEAR         0x0004      /* DMA fifo clear                   */ | 
|  | #define DMA_CTRL_CIRQ           0x0002      /* DMA irq clear                    */ | 
|  | #define DMA_CTRL_DMASTART       0x0001      /* DMA transfer start               */ | 
|  |  | 
|  | /* SCSI processor override register */ | 
|  | #define CPU_ORIDE_ETRIG         0x8000      /* External trigger enable          */ | 
|  | #define CPU_ORIDE_STEP          0x4000      /* Single step mode enable          */ | 
|  | #define CPU_ORIDE_BKPT          0x2000      /* Breakpoint reg enable            */ | 
|  | #define CPU_ORIDE_PWRITE        0x1000      /* SCSI pin write enable            */ | 
|  | #define CPU_ORIDE_OFORCE        0x0800      /* Force outputs on                 */ | 
|  | #define CPU_ORIDE_LBACK         0x0400      /* SCSI loopback enable             */ | 
|  | #define CPU_ORIDE_PTEST         0x0200      /* Parity test enable               */ | 
|  | #define CPU_ORIDE_TENAB         0x0100      /* SCSI pins tristate enable        */ | 
|  | #define CPU_ORIDE_TPINS         0x0080      /* SCSI pins enable                 */ | 
|  | #define CPU_ORIDE_FRESET        0x0008      /* FIFO reset                       */ | 
|  | #define CPU_ORIDE_CTERM         0x0004      /* Command terminate                */ | 
|  | #define CPU_ORIDE_RREG          0x0002      /* Reset SCSI processor regs        */ | 
|  | #define CPU_ORIDE_RMOD          0x0001      /* Reset SCSI processor module      */ | 
|  |  | 
|  | /* SCSI processor commands */ | 
|  | #define CPU_CMD_BRESET          0x300b      /* Reset SCSI bus                   */ | 
|  |  | 
|  | /* SCSI processor pin control register */ | 
|  | #define CPU_PCTRL_PVALID        0x8000      /* Phase bits are valid             */ | 
|  | #define CPU_PCTRL_PHI           0x0400      /* Parity bit high                  */ | 
|  | #define CPU_PCTRL_PLO           0x0200      /* Parity bit low                   */ | 
|  | #define CPU_PCTRL_REQ           0x0100      /* REQ bus signal                   */ | 
|  | #define CPU_PCTRL_ACK           0x0080      /* ACK bus signal                   */ | 
|  | #define CPU_PCTRL_RST           0x0040      /* RST bus signal                   */ | 
|  | #define CPU_PCTRL_BSY           0x0020      /* BSY bus signal                   */ | 
|  | #define CPU_PCTRL_SEL           0x0010      /* SEL bus signal                   */ | 
|  | #define CPU_PCTRL_ATN           0x0008      /* ATN bus signal                   */ | 
|  | #define CPU_PCTRL_MSG           0x0004      /* MSG bus signal                   */ | 
|  | #define CPU_PCTRL_CD            0x0002      /* CD bus signal                    */ | 
|  | #define CPU_PCTRL_IO            0x0001      /* IO bus signal                    */ | 
|  |  | 
|  | /* SCSI processor differential pins register */ | 
|  | #define CPU_PDIFF_SENSE         0x0200      /* Differential sense               */ | 
|  | #define CPU_PDIFF_MODE          0x0100      /* Differential mode                */ | 
|  | #define CPU_PDIFF_OENAB         0x0080      /* Outputs enable                   */ | 
|  | #define CPU_PDIFF_PMASK         0x007c      /* Differential control pins        */ | 
|  | #define CPU_PDIFF_TGT           0x0002      /* Target mode enable               */ | 
|  | #define CPU_PDIFF_INIT          0x0001      /* Initiator mode enable            */ | 
|  |  | 
|  | /* RISC processor status register */ | 
|  | #define RISC_PSR_FTRUE          0x8000      /* Force true                       */ | 
|  | #define RISC_PSR_LCD            0x4000      /* Loop counter shows done status   */ | 
|  | #define RISC_PSR_RIRQ           0x2000      /* RISC irq status                  */ | 
|  | #define RISC_PSR_TOFLOW         0x1000      /* Timer overflow (rollover)        */ | 
|  | #define RISC_PSR_AOFLOW         0x0800      /* Arithmetic overflow              */ | 
|  | #define RISC_PSR_AMSB           0x0400      /* Arithmetic big endian            */ | 
|  | #define RISC_PSR_ACARRY         0x0200      /* Arithmetic carry                 */ | 
|  | #define RISC_PSR_AZERO          0x0100      /* Arithmetic zero                  */ | 
|  | #define RISC_PSR_ULTRA          0x0020      /* Ultra mode                       */ | 
|  | #define RISC_PSR_DIRQ           0x0010      /* DVMA interrupt                   */ | 
|  | #define RISC_PSR_SIRQ           0x0008      /* SCSI processor interrupt         */ | 
|  | #define RISC_PSR_HIRQ           0x0004      /* Host interrupt                   */ | 
|  | #define RISC_PSR_IPEND          0x0002      /* Interrupt pending                */ | 
|  | #define RISC_PSR_FFALSE         0x0001      /* Force false                      */ | 
|  |  | 
|  | /* RISC processor memory timing register */ | 
|  | #define RISC_MTREG_P1DFLT       0x1200      /* Default read/write timing, pg1   */ | 
|  | #define RISC_MTREG_P0DFLT       0x0012      /* Default read/write timing, pg0   */ | 
|  | #define RISC_MTREG_P1ULTRA      0x2300      /* Ultra-mode rw timing, pg1        */ | 
|  | #define RISC_MTREG_P0ULTRA      0x0023      /* Ultra-mode rw timing, pg0        */ | 
|  |  | 
|  | /* Host command/ctrl register */ | 
|  | #define HCCTRL_NOP              0x0000      /* CMD: No operation                */ | 
|  | #define HCCTRL_RESET            0x1000      /* CMD: Reset RISC cpu              */ | 
|  | #define HCCTRL_PAUSE            0x2000      /* CMD: Pause RISC cpu              */ | 
|  | #define HCCTRL_REL              0x3000      /* CMD: Release paused RISC cpu     */ | 
|  | #define HCCTRL_STEP             0x4000      /* CMD: Single step RISC cpu        */ | 
|  | #define HCCTRL_SHIRQ            0x5000      /* CMD: Set host irq                */ | 
|  | #define HCCTRL_CHIRQ            0x6000      /* CMD: Clear host irq              */ | 
|  | #define HCCTRL_CRIRQ            0x7000      /* CMD: Clear RISC cpu irq          */ | 
|  | #define HCCTRL_BKPT             0x8000      /* CMD: Breakpoint enables change   */ | 
|  | #define HCCTRL_TMODE            0xf000      /* CMD: Enable test mode            */ | 
|  | #define HCCTRL_HIRQ             0x0080      /* Host IRQ pending                 */ | 
|  | #define HCCTRL_RRIP             0x0040      /* RISC cpu reset in happening now  */ | 
|  | #define HCCTRL_RPAUSED          0x0020      /* RISC cpu is paused now           */ | 
|  | #define HCCTRL_EBENAB           0x0010      /* External breakpoint enable       */ | 
|  | #define HCCTRL_B1ENAB           0x0008      /* Breakpoint 1 enable              */ | 
|  | #define HCCTRL_B0ENAB           0x0004      /* Breakpoint 0 enable              */ | 
|  |  | 
|  | /* For our interrupt engine. */ | 
|  | #define for_each_qlogicpti(qp) \ | 
|  | for((qp) = qptichain; (qp); (qp) = (qp)->next) | 
|  |  | 
|  | #endif /* !(_QLOGICPTI_H) */ |