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freebsd-skq/sys/dev/aha/ahareg.h
Warner Losh 0ca891272b Simplify aha resource management, and fix a few bugs in unwinding 
error cases.
2005-01-19 06:54:10 +00:00

430 lines
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/*-
* Generic register and struct definitions for the Adaptech 1540, 1542,
* 1640, 1642 SCSI host adapters. Product specific probe and attach
* routines can be found in:
* aha_isa.c, aha_mca.c
*
* Derived from bt.c written by:
*
* Copyright (c) 1998 Justin T. Gibbs.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _AHAREG_H_
#define _AHAREG_H_
#include <sys/queue.h>
#include <cam/scsi/scsi_all.h>
#define AHA_MAXTRANSFER_SIZE 0xffffff /* limited by 24bit counter */
#define AHA_NSEG 17 /* The number of dma segments
* supported. */
#define ALL_TARGETS (~0)
/*
* Control Register pp. 1-8, 1-9 (Write Only)
*/
#define CONTROL_REG 0x00
#define HARD_RESET 0x80 /* Hard Reset - return to POST state */
#define SOFT_RESET 0x40 /* Soft Reset - Clears Adapter state */
#define RESET_INTR 0x20 /* Reset/Ack Interrupt */
#define RESET_SBUS 0x10 /* Drive SCSI bus reset signal */
/*
* Status Register pp. 1-9, 1-10 (Read Only)
*/
#define STATUS_REG 0x00
#define DIAG_ACTIVE 0x80 /* Performing Internal Diags */
#define DIAG_FAIL 0x40 /* Internal Diags failed */
#define INIT_REQUIRED 0x20 /* MBOXes need initialization */
#define HA_READY 0x10 /* HA ready for new commands */
#define CMD_REG_BUSY 0x08 /* HA busy with last cmd byte */
#define DATAIN_REG_READY 0x04 /* Data-in Byte available */
#define STATUS_REG_RSVD 0x02
#define CMD_INVALID 0x01 /* Invalid Command detected */
/*
* Command/Parameter Register pp. 1-10, 1-11 (Write Only)
*/
#define COMMAND_REG 0x01
/*
* Data in Register p. 1-11 (Read Only)
*/
#define DATAIN_REG 0x01
/*
* Interrupt Status Register pp. 1-12 -> 1-14 (Read Only)
*/
#define INTSTAT_REG 0x02
#define INTR_PENDING 0x80 /* There is a pending INTR */
#define INTSTAT_REG_RSVD 0x70
#define SCSI_BUS_RESET 0x08 /* Bus Reset detected */
#define CMD_COMPLETE 0x04
#define OMB_READY 0x02 /* Outgoin Mailbox Ready */
#define IMB_LOADED 0x01 /* Incoming Mailbox loaded */
/*
* Definitions for the "undocumented" geometry register, we just need
* its location.
*/
#define GEOMETRY_REG 0x03
#define AHA_NREGS (4)
/*
* Opcodes for Adapter commands.
*/
typedef enum {
AOP_NOP = 0x00,
AOP_INITIALIZE_MBOX = 0x01,
AOP_START_MBOX = 0x02,
AOP_EXECUTE_BIOS_CMD = 0x03,
AOP_INQUIRE_BOARD_ID = 0x04,
AOP_ENABLE_OMBR_INT = 0x05,
AOP_SET_SEL_TIMOUT = 0x06,
AOP_SET_TIME_ON_BUS = 0x07,
AOP_SET_TIME_OFF_BUS = 0x08,
AOP_SET_BUS_TRANS_RATE = 0x09,
AOP_INQUIRE_INST_LDEVS = 0x0A,
AOP_INQUIRE_CONFIG = 0x0B,
AOP_ENABLE_TARGET_MODE = 0x0C,
AOP_INQUIRE_SETUP_INFO = 0x0D,
AOP_WRITE_LRAM = 0x1A,
AOP_READ_LRAM = 0x1B,
AOP_WRITE_CHIP_FIFO = 0x1C,
AOP_READ_CHIP_FIFO = 0x1D,
AOP_ECHO_DATA_BYTE = 0x1F,
AOP_ADAPTER_DIAGNOSTICS = 0x20,
AOP_SET_ADAPTER_OPTIONS = 0x21,
AOP_SET_EEPROM = 0x22,
AOP_RETURN_EEPROM = 0x23,
AOP_ENABLE_SHADOW_RAM = 0x24,
AOP_INIT_BIOS_MBOX = 0x25,
AOP_SET_BIOS_BANK_1 = 0x26,
AOP_SET_BIOS_BANK_2 = 0x27,
AOP_RETURN_EXT_BIOS_INFO= 0x28,
AOP_MBOX_IF_ENABLE = 0x29,
AOP_SCSI_TERM_STATUS = 0x2C,
AOP_INQUIRE_SCAM_DEV = 0x2D,
AOP_SCSI_DEV_TABLE = 0x2E,
AOP_SCAM_OP = 0x2F,
AOP_START_BIOS_CMD = 0x82,
AOP_INQUIRE_ESETUP_INFO = 0x8D
} aha_op_t;
/************** Definitions of Multi-byte commands and responses ************/
struct aha_extbios
{
uint8_t flags; /* Bit 3 == 1 extended bios enabled */
uint8_t mailboxlock; /* mail box lock code to unlock it */
};
typedef struct {
uint8_t num_mboxes;
uint8_t base_addr[3];
} init_24b_mbox_params_t;
typedef struct {
uint8_t board_type;
/* These values are mostly from the aha-1540CP technical reference, but */
/* with other values from the old aha1542.c driver. The values from the */
/* aha-1540CP technical manual are used where conflicts arise */
#define BOARD_1540_16HEAD_BIOS 0x00
#define BOARD_1540_64HEAD_BIOS 0x30
#define BOARD_1542 0x41 /* aha-1540/1542 w/64-h bios */
#define BOARD_1640 0x42 /* aha-1640 */
#define BOARD_1740 0x43 /* aha-1740A/1742A/1744 */
#define BOARD_1542C 0x44 /* aha-1542C */
#define BOARD_1542CF 0x45 /* aha-1542CF */
#define BOARD_1542CP 0x46 /* aha-1542CP, plug and play */
uint8_t cust_features;
#define FEATURES_STANDARD 0x30
uint8_t firmware_rev_major;
uint8_t firmware_rev_minor;
} board_id_data_t;
typedef struct {
uint8_t dma_chan;
#define DMA_CHAN_5 0x20
#define DMA_CHAN_6 0x40
#define DMA_CHAN_7 0x80
uint8_t irq;
#define IRQ_9 0x01
#define IRQ_10 0x02
#define IRQ_11 0x04
#define IRQ_12 0x08
#define IRQ_14 0x20
#define IRQ_15 0x40
uint8_t scsi_id;
} config_data_t;
typedef struct {
uint8_t enable;
} target_mode_params_t;
typedef struct {
uint8_t offset : 4,
period : 3,
sync : 1;
} targ_syncinfo_t;
typedef struct {
uint8_t initiate_sync : 1,
parity_enable : 1,
: 6;
uint8_t bus_transfer_rate;
uint8_t time_on_bus;
uint8_t time_off_bus;
uint8_t num_mboxes;
uint8_t mbox_base_addr[3];
targ_syncinfo_t syncinfo[8];
uint8_t discinfo;
uint8_t customer_sig[20];
uint8_t auto_retry;
uint8_t board_switches;
uint8_t firmware_cksum[2];
uint8_t bios_mbox_addr[3];
} setup_data_t;
struct aha_isa_port {
uint16_t addr;
uint8_t bio; /* board IO offset */
};
#define AHA_NUM_ISAPORTS 6
typedef enum {
BIO_330 = 0,
BIO_334 = 1,
BIO_230 = 2,
BIO_234 = 3,
BIO_130 = 4,
BIO_134 = 5,
BIO_DISABLED = 6,
BIO_DISABLED2 = 7
} isa_compat_io_t;
typedef struct {
uint8_t sync_rate[16]; /* Sync in 10ns units */
} target_sync_info_data_t;
typedef struct {
uint8_t len[3];
uint8_t addr[3];
} aha_sg_t;
/********************** Mail Box definitions *******************************/
typedef enum {
AMBO_FREE = 0x0, /* MBO intry is free */
AMBO_START = 0x1, /* MBO activate entry */
AMBO_ABORT = 0x2 /* MBO abort entry */
} aha_mbo_action_code_t;
typedef struct aha_mbox_out {
uint8_t action_code;
uint8_t ccb_addr[3];
} aha_mbox_out_t;
typedef enum {
AMBI_FREE = 0x0, /* MBI entry is free */
AMBI_OK = 0x1, /* completed without error */
AMBI_ABORT = 0x2, /* aborted ccb */
AMBI_NOT_FOUND = 0x3, /* Tried to abort invalid CCB */
AMBI_ERROR = 0x4 /* Completed with error */
} aha_mbi_comp_code_t;
typedef struct aha_mbox_in {
uint8_t comp_code;
uint8_t ccb_addr[3];
} aha_mbox_in_t;
/****************** Hardware CCB definition *********************************/
typedef enum {
INITIATOR_CCB = 0x00,
INITIATOR_SG_CCB = 0x02,
INITIATOR_CCB_WRESID = 0x03,
INITIATOR_SG_CCB_WRESID = 0x04,
INITIATOR_BUS_DEV_RESET = 0x81
} aha_ccb_opcode_t;
typedef enum {
AHASTAT_NOERROR = 0x00,
AHASTAT_SELTIMEOUT = 0x11,
AHASTAT_DATARUN_ERROR = 0x12,
AHASTAT_UNEXPECTED_BUSFREE = 0x13,
AHASTAT_INVALID_PHASE = 0x14,
AHASTAT_INVALID_ACTION_CODE = 0x15,
AHASTAT_INVALID_OPCODE = 0x16,
AHASTAT_LINKED_CCB_LUN_MISMATCH = 0x17,
AHASTAT_INVALID_CCB_OR_SG_PARAM = 0x1A,
AHASTAT_HA_SCSI_BUS_RESET = 0x22, /* stolen from bt */
AHASTAT_HA_BDR = 0x25 /* Stolen from bt */
} ahastat_t;
struct aha_hccb {
uint8_t opcode; /* 0 */
uint8_t lun : 3, /* 1 */
datain : 1,
dataout : 1,
target : 3;
uint8_t cmd_len; /* 2 */
uint8_t sense_len; /* 3 */
uint8_t data_len[3]; /* 4 */
uint8_t data_addr[3]; /* 7 */
uint8_t link_ptr[3]; /* 10 */
uint8_t link_id; /* 13 */
uint8_t ahastat; /* 14 */
uint8_t sdstat; /* 15 */
uint8_t reserved1; /* 16 */
uint8_t reserved2; /* 17 */
uint8_t scsi_cdb[16]; /* 18 */
uint8_t sense_data[SSD_FULL_SIZE];
};
typedef enum {
ACCB_FREE = 0x0,
ACCB_ACTIVE = 0x1,
ACCB_DEVICE_RESET = 0x2,
ACCB_RELEASE_SIMQ = 0x4
} accb_flags_t;
struct aha_ccb {
struct aha_hccb hccb; /* hccb assumed to be at 0 */
SLIST_ENTRY(aha_ccb) links;
uint32_t flags;
union ccb *ccb;
bus_dmamap_t dmamap;
aha_sg_t *sg_list;
uint32_t sg_list_phys;
};
struct sg_map_node {
bus_dmamap_t sg_dmamap;
bus_addr_t sg_physaddr;
aha_sg_t* sg_vaddr;
SLIST_ENTRY(sg_map_node) links;
};
struct aha_softc {
bus_space_tag_t tag;
bus_space_handle_t bsh;
struct cam_sim *sim;
struct cam_path *path;
aha_mbox_out_t *cur_outbox;
aha_mbox_in_t *cur_inbox;
aha_mbox_out_t *last_outbox;
aha_mbox_in_t *last_inbox;
struct aha_ccb *aha_ccb_array;
SLIST_HEAD(,aha_ccb) free_aha_ccbs;
LIST_HEAD(,ccb_hdr) pending_ccbs;
u_int active_ccbs;
uint32_t aha_ccb_physbase;
aha_ccb_opcode_t ccb_sg_opcode;
aha_ccb_opcode_t ccb_ccb_opcode;
aha_mbox_in_t *in_boxes;
aha_mbox_out_t *out_boxes;
struct scsi_sense_data *sense_buffers;
uint32_t sense_buffers_physbase;
struct aha_ccb *recovery_accb;
u_int num_boxes;
bus_dma_tag_t parent_dmat; /*
* All dmat's derive from
* the dmat defined by our
* bus.
*/
bus_dma_tag_t buffer_dmat; /* dmat for buffer I/O */
bus_dma_tag_t mailbox_dmat; /* dmat for our mailboxes */
bus_dmamap_t mailbox_dmamap;
bus_dma_tag_t ccb_dmat; /* dmat for our ccb array */
bus_dmamap_t ccb_dmamap;
bus_dma_tag_t sg_dmat; /* dmat for our sg maps */
SLIST_HEAD(, sg_map_node) sg_maps;
bus_addr_t mailbox_physbase;
u_int num_ccbs; /* Number of CCBs malloc'd */
u_int max_ccbs; /* Maximum allocatable CCBs */
u_int max_sg;
u_int unit;
u_int scsi_id;
uint32_t extended_trans :1,
diff_bus :1,
extended_lun :1,
strict_rr :1,
tag_capable :1,
resource_shortage:1,
:26;
uint16_t disc_permitted;
uint16_t sync_permitted;
uint8_t init_level;
volatile uint8_t command_cmp;
volatile uint8_t latched_status;
uint32_t bios_addr;
uint8_t fw_major;
uint8_t fw_minor;
char model[32];
uint8_t boardid;
struct resource *irq;
struct resource *port;
struct resource *drq;
int irqrid;
int portrid;
int drqrid;
void **ih;
device_t dev;
};
void aha_alloc(struct aha_softc *, int, bus_space_tag_t, bus_space_handle_t);
int aha_attach(struct aha_softc *);
int aha_cmd(struct aha_softc *, aha_op_t, uint8_t *, u_int, uint8_t *, u_int,
u_int);
int aha_detach(struct aha_softc *);
int aha_fetch_adapter_info(struct aha_softc *);
void aha_find_probe_range(int, int *, int *);
void aha_free(struct aha_softc *);
int aha_init(struct aha_softc *);
void aha_intr(void *);
int aha_iop_from_bio(isa_compat_io_t);
int aha_probe(struct aha_softc *);
#define DEFAULT_CMD_TIMEOUT 10000 /* 1 sec */
#define aha_inb(aha, port) \
bus_space_read_1((aha)->tag, (aha)->bsh, port)
#define aha_outb(aha, port, value) \
bus_space_write_1((aha)->tag, (aha)->bsh, port, value)
#define ADP0100_PNP 0x00019004 /* ADP0100 */
#define AHA1540_PNP 0x40159004 /* ADP1540 */
#define AHA1542_PNP 0x42159004 /* ADP1542 */
#define AHA1542_PNPCOMPAT 0xA000D040 /* PNP00A0 */
#define ICU0091_PNP 0X91005AA4 /* ICU0091 */
#endif /* _AHAREG_H_ */
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