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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 15:20:36 -0700
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /drivers/scsi/qlogicpti.h
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
Diffstat (limited to 'drivers/scsi/qlogicpti.h')
-rw-r--r--drivers/scsi/qlogicpti.h508
1 files changed, 508 insertions, 0 deletions
diff --git a/drivers/scsi/qlogicpti.h b/drivers/scsi/qlogicpti.h
new file mode 100644
index 000000000000..6cd1c0771d29
--- /dev/null
+++ b/drivers/scsi/qlogicpti.h
@@ -0,0 +1,508 @@
+/* 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 sbus_dev *sdev;
+ 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. */
+ sbits : 16; /* syncmode known bits */
+};
+
+/* 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) */