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author | cvs2svn <cvs2svn@FreeBSD.org> | 1995-03-14 09:16:08 +0000 |
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committer | cvs2svn <cvs2svn@FreeBSD.org> | 1995-03-14 09:16:08 +0000 |
commit | 2e14d9ebc3d3592c67bdf625af9ebe0dfc386653 (patch) | |
tree | 0e2ea2b0c659ff4bf6a27788cd613293f8a00961 /sys/i386/eisa | |
parent | 68d73d5130f963a87bdedcdb3f5394b24aa5c625 (diff) | |
download | FreeBSD-src-2e14d9ebc3d3592c67bdf625af9ebe0dfc386653.zip FreeBSD-src-2e14d9ebc3d3592c67bdf625af9ebe0dfc386653.tar.gz |
This commit was manufactured by cvs2svn to create branch 'MATT_THOMAS'.
Diffstat (limited to 'sys/i386/eisa')
-rw-r--r-- | sys/i386/eisa/aha1742.c | 1255 | ||||
-rw-r--r-- | sys/i386/eisa/aic7770.c | 150 |
2 files changed, 0 insertions, 1405 deletions
diff --git a/sys/i386/eisa/aha1742.c b/sys/i386/eisa/aha1742.c deleted file mode 100644 index 21bb1a2..0000000 --- a/sys/i386/eisa/aha1742.c +++ /dev/null @@ -1,1255 +0,0 @@ -/* - * Written by Julian Elischer (julian@tfs.com) - * for TRW Financial Systems for use under the MACH(2.5) operating system. - * - * TRW Financial Systems, in accordance with their agreement with Carnegie - * Mellon University, makes this software available to CMU to distribute - * or use in any manner that they see fit as long as this message is kept with - * the software. For this reason TFS also grants any other persons or - * organisations permission to use or modify this software. - * - * TFS supplies this software to be publicly redistributed - * on the understanding that TFS is not responsible for the correct - * functioning of this software in any circumstances. - * - * commenced: Sun Sep 27 18:14:01 PDT 1992 - * - * $Id: aha1742.c,v 1.26 1994/11/16 02:45:35 bde Exp $ - */ - -#include <sys/types.h> - -#ifdef KERNEL /* don't laugh, it compiles as a program too.. look */ -#include "ahb.h" -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/errno.h> -#include <sys/ioctl.h> -#include <sys/malloc.h> -#include <sys/buf.h> -#include <sys/proc.h> -#include <sys/user.h> -#include <i386/isa/isa_device.h> -#else -#define NAHB 1 -#endif /*KERNEL */ -#include <scsi/scsi_all.h> -#include <scsi/scsiconf.h> -#include <sys/devconf.h> - -/* */ - -#ifdef KERNEL -# ifdef DDB -#define fatal_if_no_DDB() -# else -#define fatal_if_no_DDB() panic("panic for historical reasons") -# endif -#endif - -typedef unsigned long int physaddr; -#include <sys/kernel.h> - -#define KVTOPHYS(x) vtophys(x) - -#define AHB_ECB_MAX 32 /* store up to 32ECBs at any one time */ - /* in aha1742 H/W ( Not MAX ? ) */ -#define ECB_HASH_SIZE 32 /* when we have a physical addr. for */ - /* a ecb and need to find the ecb in */ - /* space, look it up in the hash table */ -#define ECB_HASH_SHIFT 9 /* only hash on multiples of 512 */ -#define ECB_HASH(x) ((((long int)(x))>>ECB_HASH_SHIFT) % ECB_HASH_SIZE) - -#define AHB_NSEG 33 /* number of dma segments supported */ - -/* - * AHA1740 standard EISA Host ID regs (Offset from slot base) - */ -#define HID0 0xC80 /* 0,1: msb of ID2, 3-7: ID1 */ -#define HID1 0xC81 /* 0-4: ID3, 4-7: LSB ID2 */ -#define HID2 0xC82 /* product, 0=174[20] 1 = 1744 */ -#define HID3 0xC83 /* firmware revision */ - -#define CHAR1(B1,B2) (((B1>>2) & 0x1F) | '@') -#define CHAR2(B1,B2) (((B1<<3) & 0x18) | ((B2>>5) & 0x7)|'@') -#define CHAR3(B1,B2) ((B2 & 0x1F) | '@') - -/* AHA1740 EISA board control registers (Offset from slot base) */ -#define EBCTRL 0xC84 -#define CDEN 0x01 -/* - * AHA1740 EISA board mode registers (Offset from slot base) - */ -#define PORTADDR 0xCC0 -#define PORTADDR_ENHANCED 0x80 -#define BIOSADDR 0xCC1 -#define INTDEF 0xCC2 -#define SCSIDEF 0xCC3 -#define BUSDEF 0xCC4 -#define RESV0 0xCC5 -#define RESV1 0xCC6 -#define RESV2 0xCC7 -/**** bit definitions for INTDEF ****/ -#define INT9 0x00 -#define INT10 0x01 -#define INT11 0x02 -#define INT12 0x03 -#define INT14 0x05 -#define INT15 0x06 -#define INTHIGH 0x08 /* int high=ACTIVE (else edge) */ -#define INTEN 0x10 -/**** bit definitions for SCSIDEF ****/ -#define HSCSIID 0x0F /* our SCSI ID */ -#define RSTPWR 0x10 /* reset scsi bus on power up or reset */ -/**** bit definitions for BUSDEF ****/ -#define B0uS 0x00 /* give up bus immediatly */ -#define B4uS 0x01 /* delay 4uSec. */ -#define B8uS 0x02 -/* - * AHA1740 ENHANCED mode mailbox control regs (Offset from slot base) - */ -#define MBOXOUT0 0xCD0 -#define MBOXOUT1 0xCD1 -#define MBOXOUT2 0xCD2 -#define MBOXOUT3 0xCD3 - -#define ATTN 0xCD4 -#define G2CNTRL 0xCD5 -#define G2INTST 0xCD6 -#define G2STAT 0xCD7 - -#define MBOXIN0 0xCD8 -#define MBOXIN1 0xCD9 -#define MBOXIN2 0xCDA -#define MBOXIN3 0xCDB - -#define G2STAT2 0xCDC - -/* - * Bit definitions for the 5 control/status registers - */ -#define ATTN_TARGET 0x0F -#define ATTN_OPCODE 0xF0 -#define OP_IMMED 0x10 -#define AHB_TARG_RESET 0x80 -#define OP_START_ECB 0x40 -#define OP_ABORT_ECB 0x50 - -#define G2CNTRL_SET_HOST_READY 0x20 -#define G2CNTRL_CLEAR_EISA_INT 0x40 -#define G2CNTRL_HARD_RESET 0x80 - -#define G2INTST_TARGET 0x0F -#define G2INTST_INT_STAT 0xF0 -#define AHB_ECB_OK 0x10 -#define AHB_ECB_RECOVERED 0x50 -#define AHB_HW_ERR 0x70 -#define AHB_IMMED_OK 0xA0 -#define AHB_ECB_ERR 0xC0 -#define AHB_ASN 0xD0 /* for target mode */ -#define AHB_IMMED_ERR 0xE0 - -#define G2STAT_BUSY 0x01 -#define G2STAT_INT_PEND 0x02 -#define G2STAT_MBOX_EMPTY 0x04 - -#define G2STAT2_HOST_READY 0x01 - -struct ahb_dma_seg { - physaddr addr; - long len; -}; - -struct ahb_ecb_status { - u_short status; -#define ST_DON 0x0001 -#define ST_DU 0x0002 -#define ST_QF 0x0008 -#define ST_SC 0x0010 -#define ST_DO 0x0020 -#define ST_CH 0x0040 -#define ST_INT 0x0080 -#define ST_ASA 0x0100 -#define ST_SNS 0x0200 -#define ST_INI 0x0800 -#define ST_ME 0x1000 -#define ST_ECA 0x4000 - u_char ha_status; -#define HS_OK 0x00 -#define HS_CMD_ABORTED_HOST 0x04 -#define HS_CMD_ABORTED_ADAPTER 0x05 -#define HS_TIMED_OUT 0x11 -#define HS_HARDWARE_ERR 0x20 -#define HS_SCSI_RESET_ADAPTER 0x22 -#define HS_SCSI_RESET_INCOMING 0x23 - u_char targ_status; -#define TS_OK 0x00 -#define TS_CHECK_CONDITION 0x02 -#define TS_BUSY 0x08 - u_long resid_count; - u_long resid_addr; - u_short addit_status; - u_char sense_len; - u_char unused[9]; - u_char cdb[6]; -}; - - -struct ecb { - u_char opcode; -#define ECB_SCSI_OP 0x01 - u_char:4; - u_char options:3; - u_char:1; - short opt1; -#define ECB_CNE 0x0001 -#define ECB_DI 0x0080 -#define ECB_SES 0x0400 -#define ECB_S_G 0x1000 -#define ECB_DSB 0x4000 -#define ECB_ARS 0x8000 - short opt2; -#define ECB_LUN 0x0007 -#define ECB_TAG 0x0008 -#define ECB_TT 0x0030 -#define ECB_ND 0x0040 -#define ECB_DAT 0x0100 -#define ECB_DIR 0x0200 -#define ECB_ST 0x0400 -#define ECB_CHK 0x0800 -#define ECB_REC 0x4000 -#define ECB_NRB 0x8000 - u_short unused1; - physaddr data; - u_long datalen; - physaddr status; - physaddr chain; - short unused2; - short unused3; - physaddr sense; - u_char senselen; - u_char cdblen; - short cksum; - u_char cdb[12]; - /*-----------------end of hardware supported fields----------------*/ - struct ecb *next; /* in free list */ - struct scsi_xfer *xs; /* the scsi_xfer for this cmd */ - int flags; -#define ECB_FREE 0 -#define ECB_ACTIVE 1 -#define ECB_ABORTED 2 -#define ECB_IMMED 4 -#define ECB_IMMED_FAIL 8 - struct ahb_dma_seg ahb_dma[AHB_NSEG]; - struct ahb_ecb_status ecb_status; - struct scsi_sense_data ecb_sense; - struct ecb *nexthash; - physaddr hashkey; /* physaddr of this struct */ -}; - -struct ahb_data { - int flags; -#define AHB_INIT 0x01; - int baseport; - struct ecb *ecbhash[ECB_HASH_SIZE]; - struct ecb *free_ecb; - int our_id; /* our scsi id */ - int vect; - struct ecb *immed_ecb; /* an outstanding immediete command */ - struct scsi_link sc_link; - int numecbs; -} *ahbdata[NAHB]; - -int ahbprobe(); -int ahbprobe1 __P((struct isa_device *dev)); -int ahb_attach(); -int ahb_init __P((int unit)); -int ahbintr(); -int32 ahb_scsi_cmd(); -timeout_t ahb_timeout; -void ahb_done(); -struct ecb *cheat; -void ahb_free_ecb(); -void ahbminphys(); -struct ecb *ahb_ecb_phys_kv(); -u_int32 ahb_adapter_info(); - -#define MAX_SLOTS 16 /* XXX should this be 16?? Need EISA spec */ -static ahb_slot = 0; /* slot last board was found in */ -static ahb_unit = 0; -int ahb_debug = 0; -#define AHB_SHOWECBS 0x01 -#define AHB_SHOWINTS 0x02 -#define AHB_SHOWCMDS 0x04 -#define AHB_SHOWMISC 0x08 -#define FAIL 1 -#define SUCCESS 0 -#define PAGESIZ 4096 - -#ifdef KERNEL -struct isa_driver ahbdriver = -{ - ahbprobe, - ahb_attach, - "ahb" -}; - -struct scsi_adapter ahb_switch = -{ - ahb_scsi_cmd, - ahbminphys, - 0, - 0, - ahb_adapter_info, - "ahb", - { 0, 0 } -}; - -/* the below structure is so we have a default dev struct for our link struct */ -struct scsi_device ahb_dev = -{ - NULL, /* Use default error handler */ - NULL, /* have a queue, served by this */ - NULL, /* have no async handler */ - NULL, /* Use default 'done' routine */ - "ahb", - 0, - { 0, 0 } -}; - -static struct kern_devconf kdc_ahb[NAHB] = { { - 0, 0, 0, /* filled in by dev_attach */ - "ahb", 0, { MDDT_ISA, 0, "bio" }, - isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, - &kdc_isa0, /* parent */ - 0, /* parentdata */ - DC_BUSY, /* host adapters are always ``in use'' */ - "Adaptec 174x-series SCSI host adapter" -} }; - -static inline void -ahb_registerdev(struct isa_device *id) -{ - if(id->id_unit) - kdc_ahb[id->id_unit] = kdc_ahb[0]; - kdc_ahb[id->id_unit].kdc_unit = id->id_unit; - kdc_ahb[id->id_unit].kdc_parentdata = id; - dev_attach(&kdc_ahb[id->id_unit]); -} - -#endif /*KERNEL */ - -#ifndef KERNEL -main() -{ - printf("ahb_data size is %d\n", sizeof(struct ahb_data)); - printf("ecb size is %d\n", sizeof(struct ecb)); -} - -#else /*KERNEL */ - -/* - * Function to send a command out through a mailbox - */ -void -ahb_send_mbox(int unit, int opcode, int target, struct ecb *ecb) -{ - int port = ahbdata[unit]->baseport; - int wait = 300; /* 3ms should be enough */ - int stport = port + G2STAT; - int s = splbio(); - - while (--wait) { - if ((inb(stport) & (G2STAT_BUSY | G2STAT_MBOX_EMPTY)) - == (G2STAT_MBOX_EMPTY)) - break; - DELAY(10); - } - if (wait == 0) { - printf("ahb%d: board not responding\n", unit); - Debugger("aha1742"); - fatal_if_no_DDB(); - } - outl(port + MBOXOUT0, KVTOPHYS(ecb)); /* don't know this will work */ - outb(port + ATTN, opcode | target); - - splx(s); -} - -/* - * Function to poll for command completion when in poll mode - */ -int -ahb_poll(int unit, int wait) -{ /* in msec */ - struct ahb_data *ahb = ahbdata[unit]; - int port = ahb->baseport; - int stport = port + G2STAT; - - retry: - while (--wait) { - if (inb(stport) & G2STAT_INT_PEND) - break; - DELAY(1000); - } if (wait == 0) { - printf("ahb%d: board not responding\n", unit); - return (EIO); - } - if (cheat != ahb_ecb_phys_kv(ahb, inl(port + MBOXIN0))) { - printf("discarding %x ", inl(port + MBOXIN0)); - outb(port + G2CNTRL, G2CNTRL_CLEAR_EISA_INT); - DELAY(50000); - goto retry; - } - /* don't know this will work */ - ahbintr(unit); - return (0); -} - -/* - * Function to send an immediate type command to the adapter - */ -void -ahb_send_immed(int unit, int target, u_long cmd) -{ - int port = ahbdata[unit]->baseport; - int s = splbio(); - int stport = port + G2STAT; - int wait = 100; /* 1 ms enough? */ - - while (--wait) { - if ((inb(stport) & (G2STAT_BUSY | G2STAT_MBOX_EMPTY)) - == (G2STAT_MBOX_EMPTY)) - break; - DELAY(10); - } if (wait == 0) { - printf("ahb%d: board not responding\n", unit); - Debugger("aha1742"); - fatal_if_no_DDB(); - } - outl(port + MBOXOUT0, cmd); /* don't know this will work */ - outb(port + G2CNTRL, G2CNTRL_SET_HOST_READY); - outb(port + ATTN, OP_IMMED | target); - splx(s); -} - -/* - * Check the slots looking for a board we recognise - * If we find one, note it's address (slot) and call - * the actual probe routine to check it out. - */ -int -ahbprobe(dev) - struct isa_device *dev; -{ - int port; - u_char byte1, byte2, byte3; - - ahb_slot++; - while (ahb_slot <= MAX_SLOTS) { - port = 0x1000 * ahb_slot; - byte1 = inb(port + HID0); - byte2 = inb(port + HID1); - byte3 = inb(port + HID2); - if (byte1 == 0xff) { - ahb_slot++; - continue; - } - if ((CHAR1(byte1, byte2) == 'A') - && (CHAR2(byte1, byte2) == 'D') - && (CHAR3(byte1, byte2) == 'P') - && ((byte3 == 0) || (byte3 == 1))) { - dev->id_iobase = port; - return ahbprobe1(dev); - } - ahb_slot++; - } - return 0; -} - -/* - * Check if the device can be found at the port given - * and if so, set it up ready for further work - * as an argument, takes the isa_device structure from - * autoconf.c. - */ -int -ahbprobe1(dev) - struct isa_device *dev; -{ - /* - * find unit and check we have that many defined - */ - int unit = ahb_unit; - struct ahb_data *ahb; - - if (unit >= NAHB) { - printf("ahb: unit number (%d) too high\n", unit); - return 0; - } - dev->id_unit = unit; - - /* - * Allocate a storage area for us - */ - if (ahbdata[unit]) { - printf("ahb%d: memory already allocated\n", unit); - return 0; - } - ahb = malloc(sizeof(struct ahb_data), M_TEMP, M_NOWAIT); - if (!ahb) { - printf("ahb%d: cannot malloc!\n", unit); - return 0; - } - bzero(ahb, sizeof(struct ahb_data)); - ahbdata[unit] = ahb; - ahb->baseport = dev->id_iobase; - /* - * Try initialise a unit at this location - * sets up dma and bus speed, loads ahb->vect - */ - if (ahb_init(unit) != 0) { - ahbdata[unit] = NULL; - free(ahb, M_TEMP); - return (0); - } - /* - * If it's there, put in it's interrupt vectors - */ - dev->id_irq = (1 << ahb->vect); - dev->id_drq = -1; /* use EISA dma */ - - ahb_unit++; - return 0x1000; -} - -/* - * Attach all the sub-devices we can find - */ -int -ahb_attach(dev) - struct isa_device *dev; -{ - int unit = dev->id_unit; - struct ahb_data *ahb = ahbdata[unit]; - - /* - * fill in the prototype scsi_link. - */ - ahb->sc_link.adapter_unit = unit; - ahb->sc_link.adapter_targ = ahb->our_id; - ahb->sc_link.adapter = &ahb_switch; - ahb->sc_link.device = &ahb_dev; - - ahb_registerdev(dev); - /* - * ask the adapter what subunits are present - */ - scsi_attachdevs(&(ahb->sc_link)); - - return 1; -} - -/* - * Return some information to the caller about - * the adapter and it's capabilities - */ -u_int32 -ahb_adapter_info(unit) - int unit; -{ - return (2); /* 2 outstanding requests at a time per device */ -} - -/* - * Catch an interrupt from the adaptor - */ -int -ahbintr(unit) - int unit; -{ - struct ecb *ecb; - unsigned char stat; - u_char ahbstat; - int target; - long int mboxval; - struct ahb_data *ahb = ahbdata[unit]; - - int port = ahb->baseport; - -#ifdef AHBDEBUG - printf("ahbintr "); -#endif /*AHBDEBUG */ - - while (inb(port + G2STAT) & G2STAT_INT_PEND) { - /* - * First get all the information and then - * acknowlege the interrupt - */ - ahbstat = inb(port + G2INTST); - target = ahbstat & G2INTST_TARGET; - stat = ahbstat & G2INTST_INT_STAT; - mboxval = inl(port + MBOXIN0); /* don't know this will work */ - outb(port + G2CNTRL, G2CNTRL_CLEAR_EISA_INT); -#ifdef AHBDEBUG - printf("status = 0x%x ", stat); -#endif /*AHBDEBUG */ - /* - * Process the completed operation - */ - - if (stat == AHB_ECB_OK) { /* common case is fast */ - ecb = ahb_ecb_phys_kv(ahb, mboxval); - } else { - switch (stat) { - case AHB_IMMED_OK: - ecb = ahb->immed_ecb; - ahb->immed_ecb = 0; - break; - case AHB_IMMED_ERR: - ecb = ahb->immed_ecb; - ecb->flags |= ECB_IMMED_FAIL; - ahb->immed_ecb = 0; - break; - case AHB_ASN: /* for target mode */ - printf("ahb%d: Unexpected ASN interrupt(%x)\n", - unit, mboxval); - ecb = 0; - break; - case AHB_HW_ERR: - printf("ahb%d: Hardware error interrupt(%x)\n", - unit, mboxval); - ecb = 0; - break; - case AHB_ECB_RECOVERED: - ecb = ahb_ecb_phys_kv(ahb, mboxval); - break; - case AHB_ECB_ERR: - ecb = ahb_ecb_phys_kv(ahb, mboxval); - break; - default: - printf(" Unknown return from ahb%d(%x)\n", unit, ahbstat); - ecb = 0; - } - } if (ecb) { -#ifdef AHBDEBUG - if (ahb_debug & AHB_SHOWCMDS) { - show_scsi_cmd(ecb->xs); - } - if ((ahb_debug & AHB_SHOWECBS) && ecb) - printf("<int ecb(%x)>", ecb); -#endif /*AHBDEBUG */ - untimeout(ahb_timeout, (caddr_t)ecb); - ahb_done(unit, ecb, ((stat == AHB_ECB_OK) ? SUCCESS : FAIL)); - } - } - return 1; -} - -/* - * We have a ecb which has been processed by the - * adaptor, now we look to see how the operation - * went. - */ -void -ahb_done(unit, ecb, state) - int unit, state; - struct ecb *ecb; -{ - struct ahb_ecb_status *stat = &ecb->ecb_status; - struct scsi_sense_data *s1, *s2; - struct scsi_xfer *xs = ecb->xs; - - SC_DEBUG(xs->sc_link, SDEV_DB2, ("ahb_done\n")); - /* - * Otherwise, put the results of the operation - * into the xfer and call whoever started it - */ - if (ecb->flags & ECB_IMMED) { - if (ecb->flags & ECB_IMMED_FAIL) { - xs->error = XS_DRIVER_STUFFUP; - } - goto done; - } - if ((state == SUCCESS) || (xs->flags & SCSI_ERR_OK)) { /* All went correctly OR errors expected */ - xs->resid = 0; - xs->error = 0; - } else { - - s1 = &(ecb->ecb_sense); - s2 = &(xs->sense); - - if (stat->ha_status) { - switch (stat->ha_status) { - case HS_SCSI_RESET_ADAPTER: - break; - case HS_SCSI_RESET_INCOMING: - break; - case HS_CMD_ABORTED_HOST: /* No response */ - case HS_CMD_ABORTED_ADAPTER: /* No response */ - break; - case HS_TIMED_OUT: /* No response */ -#ifdef AHBDEBUG - if (ahb_debug & AHB_SHOWMISC) { - printf("timeout reported back\n"); - } -#endif /*AHBDEBUG */ - xs->error = XS_TIMEOUT; - break; - default: /* Other scsi protocol messes */ - xs->error = XS_DRIVER_STUFFUP; -#ifdef AHBDEBUG - if (ahb_debug & AHB_SHOWMISC) { - printf("unexpected ha_status: %x\n", - stat->ha_status); - } -#endif /*AHBDEBUG */ - } - } else { - switch (stat->targ_status) { - case TS_CHECK_CONDITION: - /* structure copy!!!!! */ - *s2 = *s1; - xs->error = XS_SENSE; - break; - case TS_BUSY: - xs->error = XS_BUSY; - break; - default: -#ifdef AHBDEBUG - if (ahb_debug & AHB_SHOWMISC) { - printf("unexpected targ_status: %x\n", - stat->targ_status); - } -#endif /*AHBDEBUG */ - xs->error = XS_DRIVER_STUFFUP; - } - } - } -done: xs->flags |= ITSDONE; - ahb_free_ecb(unit, ecb, xs->flags); - scsi_done(xs); -} - -/* - * A ecb (and hence a mbx-out is put onto the - * free list. - */ -void -ahb_free_ecb(unit, ecb, flags) - int unit, flags; - struct ecb *ecb; -{ - unsigned int opri = 0; - struct ahb_data *ahb = ahbdata[unit]; - - if (!(flags & SCSI_NOMASK)) - opri = splbio(); - - ecb->next = ahb->free_ecb; - ahb->free_ecb = ecb; - ecb->flags = ECB_FREE; - /* - * If there were none, wake abybody waiting for - * one to come free, starting with queued entries - */ - if (!ecb->next) { - wakeup((caddr_t)&ahb->free_ecb); - } - if (!(flags & SCSI_NOMASK)) - splx(opri); -} - -/* - * Get a free ecb - * If there are none, see if we can allocate a - * new one. If so, put it in the hash table too - * otherwise either return an error or sleep - */ -struct ecb * -ahb_get_ecb(unit, flags) - int unit, flags; -{ - struct ahb_data *ahb = ahbdata[unit]; - unsigned opri = 0; - struct ecb *ecbp; - int hashnum; - - if (!(flags & SCSI_NOMASK)) - opri = splbio(); - /* - * If we can and have to, sleep waiting for one to come free - * but only if we can't allocate a new one. - */ - while (!(ecbp = ahb->free_ecb)) { - if (ahb->numecbs < AHB_ECB_MAX) { - ecbp = (struct ecb *) malloc(sizeof(struct ecb), - M_TEMP, - M_NOWAIT); - if (ecbp) { - bzero(ecbp, sizeof(struct ecb)); - ahb->numecbs++; - ecbp->flags = ECB_ACTIVE; - /* - * put in the phystokv hash table - * Never gets taken out. - */ - ecbp->hashkey = KVTOPHYS(ecbp); - hashnum = ECB_HASH(ecbp->hashkey); - ecbp->nexthash = ahb->ecbhash[hashnum]; - ahb->ecbhash[hashnum] = ecbp; - } else { - printf("ahb%d: Can't malloc ECB\n", unit); - } goto gottit; - } else { - if (!(flags & SCSI_NOSLEEP)) { - tsleep((caddr_t)&ahb->free_ecb, PRIBIO, - "ahbecb", 0); - } - } - } if (ecbp) { - /* Get ECB from from free list */ - ahb->free_ecb = ecbp->next; - ecbp->flags = ECB_ACTIVE; - } -gottit: if (!(flags & SCSI_NOMASK)) - splx(opri); - - return (ecbp); -} - -/* - * given a physical address, find the ecb that - * it corresponds to: - */ -struct ecb * -ahb_ecb_phys_kv(ahb, ecb_phys) - struct ahb_data *ahb; - physaddr ecb_phys; -{ - int hashnum = ECB_HASH(ecb_phys); - struct ecb *ecbp = ahb->ecbhash[hashnum]; - - while (ecbp) { - if (ecbp->hashkey == ecb_phys) - break; - ecbp = ecbp->nexthash; - } - return ecbp; -} - -/* - * Start the board, ready for normal operation - */ -int -ahb_init(unit) - int unit; -{ - struct ahb_data *ahb = ahbdata[unit]; - int port = ahb->baseport; - int intdef; - int wait = 1000; /* 1 sec enough? */ - int i; - int stport = port + G2STAT; -#define NO_NO 1 -#ifdef NO_NO - /* - * reset board, If it doesn't respond, assume - * that it's not there.. good for the probe - */ - outb(port + EBCTRL, CDEN); /* enable full card */ - outb(port + PORTADDR, PORTADDR_ENHANCED); - - outb(port + G2CNTRL, G2CNTRL_HARD_RESET); - DELAY(1000); - outb(port + G2CNTRL, 0); - DELAY(10000); - while (--wait) { - if ((inb(stport) & G2STAT_BUSY) == 0) - break; - DELAY(1000); - } if (wait == 0) { -#ifdef AHBDEBUG - if (ahb_debug & AHB_SHOWMISC) - printf("ahb_init: No answer from aha1742 board\n"); -#endif /*AHBDEBUG */ - return (ENXIO); - } - i = inb(port + MBOXIN0) & 0xff; - if (i) { - printf("self test failed, val = 0x%x\n", i); - return (EIO); - } -#endif - while (inb(stport) & G2STAT_INT_PEND) { - printf("."); - outb(port + G2CNTRL, G2CNTRL_CLEAR_EISA_INT); - DELAY(10000); - } - outb(port + EBCTRL, CDEN); /* enable full card */ - outb(port + PORTADDR, PORTADDR_ENHANCED); - /* - * Assume we have a board at this stage - * setup dma channel from jumpers and save int - * level - */ - printf("ahb%d: reading board settings, ", unit); - - intdef = inb(port + INTDEF); - switch (intdef & 0x07) { - case INT9: - ahb->vect = 9; - break; - case INT10: - ahb->vect = 10; - break; - case INT11: - ahb->vect = 11; - break; - case INT12: - ahb->vect = 12; - break; - case INT14: - ahb->vect = 14; - break; - case INT15: - ahb->vect = 15; - break; - default: - printf("illegal int setting\n"); - return (EIO); - } - printf("int=%d\n", ahb->vect); - - outb(port + INTDEF, (intdef | INTEN)); /* make sure we can interrupt */ - - /* who are we on the scsi bus? */ - ahb->our_id = (inb(port + SCSIDEF) & HSCSIID); - - /* - * Note that we are going and return (to probe) - */ - ahb->flags |= AHB_INIT; - return (0); -} - -#ifndef min -#define min(x,y) (x < y ? x : y) -#endif /* min */ - -void -ahbminphys(bp) - struct buf *bp; -{ - if (bp->b_bcount > ((AHB_NSEG - 1) * PAGESIZ)) { - bp->b_bcount = ((AHB_NSEG - 1) * PAGESIZ); - } -} - -/* - * start a scsi operation given the command and - * the data address. Also needs the unit, target - * and lu - */ -int32 -ahb_scsi_cmd(xs) - struct scsi_xfer *xs; -{ - struct ecb *ecb; - struct ahb_dma_seg *sg; - int seg; /* scatter gather seg being worked on */ - int thiskv; - physaddr thisphys, nextphys; - int unit = xs->sc_link->adapter_unit; - int bytes_this_seg, bytes_this_page, datalen, flags; - struct ahb_data *ahb = ahbdata[unit]; - int s; - - SC_DEBUG(xs->sc_link, SDEV_DB2, ("ahb_scsi_cmd\n")); - /* - * get a ecb (mbox-out) to use. If the transfer - * is from a buf (possibly from interrupt time) - * then we can't allow it to sleep - */ - flags = xs->flags; - if (xs->bp) - flags |= (SCSI_NOSLEEP); /* just to be sure */ - if (flags & ITSDONE) { - printf("ahb%d: Already done?", unit); - xs->flags &= ~ITSDONE; - } - if (!(flags & INUSE)) { - printf("ahb%d: Not in use?", unit); - xs->flags |= INUSE; - } - if (!(ecb = ahb_get_ecb(unit, flags))) { - xs->error = XS_DRIVER_STUFFUP; - return (TRY_AGAIN_LATER); - } - cheat = ecb; - SC_DEBUG(xs->sc_link, SDEV_DB3, ("start ecb(%x)\n", ecb)); - ecb->xs = xs; - /* - * If it's a reset, we need to do an 'immediate' - * command, and store it's ecb for later - * if there is already an immediate waiting, - * then WE must wait - */ - if (flags & SCSI_RESET) { - ecb->flags |= ECB_IMMED; - if (ahb->immed_ecb) { - return (TRY_AGAIN_LATER); - } - ahb->immed_ecb = ecb; - if (!(flags & SCSI_NOMASK)) { - s = splbio(); - ahb_send_immed(unit, xs->sc_link->target, AHB_TARG_RESET); - timeout(ahb_timeout, (caddr_t)ecb, (xs->timeout * hz) / 1000); - splx(s); - return (SUCCESSFULLY_QUEUED); - } else { - ahb_send_immed(unit, xs->sc_link->target, AHB_TARG_RESET); - /* - * If we can't use interrupts, poll on completion - */ - SC_DEBUG(xs->sc_link, SDEV_DB3, ("wait\n")); - if (ahb_poll(unit, xs->timeout)) { - ahb_free_ecb(unit, ecb, flags); - xs->error = XS_TIMEOUT; - return (HAD_ERROR); - } - return (COMPLETE); - } - } - /* - * Put all the arguments for the xfer in the ecb - */ - ecb->opcode = ECB_SCSI_OP; - ecb->opt1 = ECB_SES | ECB_DSB | ECB_ARS; - if (xs->datalen) { - ecb->opt1 |= ECB_S_G; - } - ecb->opt2 = xs->sc_link->lun | ECB_NRB; - ecb->cdblen = xs->cmdlen; - ecb->sense = KVTOPHYS(&(ecb->ecb_sense)); - ecb->senselen = sizeof(ecb->ecb_sense); - ecb->status = KVTOPHYS(&(ecb->ecb_status)); - - if (xs->datalen) { /* should use S/G only if not zero length */ - ecb->data = KVTOPHYS(ecb->ahb_dma); - sg = ecb->ahb_dma; - seg = 0; -#ifdef TFS - if (flags & SCSI_DATA_UIO) { - iovp = ((struct uio *) xs->data)->uio_iov; - datalen = ((struct uio *) xs->data)->uio_iovcnt; - xs->datalen = 0; - while ((datalen) && (seg < AHB_NSEG)) { - sg->addr = (physaddr) iovp->iov_base; - xs->datalen += sg->len = iovp->iov_len; - SC_DEBUGN(xs->sc_link, SDEV_DB4, - ("(0x%x@0x%x)", iovp->iov_len - ,iovp->iov_base)); - sg++; - iovp++; - seg++; - datalen--; - } - } - else -#endif /*TFS */ - { - /* - * Set up the scatter gather block - */ - - SC_DEBUG(xs->sc_link, SDEV_DB4, - ("%d @0x%x:- ", xs->datalen, xs->data)); - datalen = xs->datalen; - thiskv = (int) xs->data; - thisphys = KVTOPHYS(thiskv); - - while ((datalen) && (seg < AHB_NSEG)) { - bytes_this_seg = 0; - - /* put in the base address */ - sg->addr = thisphys; - - SC_DEBUGN(xs->sc_link, SDEV_DB4, ("0x%x", thisphys)); - - /* do it at least once */ - nextphys = thisphys; - while ((datalen) && (thisphys == nextphys)) { - /* - * This page is contiguous (physically) with - * the the last, just extend the length - */ - /* how far to the end of the page */ - nextphys = (thisphys & (~(PAGESIZ - 1))) - + PAGESIZ; - bytes_this_page = nextphys - thisphys; - /**** or the data ****/ - bytes_this_page = min(bytes_this_page - ,datalen); - bytes_this_seg += bytes_this_page; - datalen -= bytes_this_page; - - /* get more ready for the next page */ - thiskv = (thiskv & (~(PAGESIZ - 1))) - + PAGESIZ; - if (datalen) - thisphys = KVTOPHYS(thiskv); - } - /* - * next page isn't contiguous, finish the seg - */ - SC_DEBUGN(xs->sc_link, SDEV_DB4, - ("(0x%x)", bytes_this_seg)); - sg->len = bytes_this_seg; - sg++; - seg++; - } - } /*end of iov/kv decision */ - ecb->datalen = seg * sizeof(struct ahb_dma_seg); - SC_DEBUGN(xs->sc_link, SDEV_DB4, ("\n")); - if (datalen) { /* there's still data, must have run out of segs! */ - printf("ahb_scsi_cmd%d: more than %d DMA segs\n", - unit, AHB_NSEG); - xs->error = XS_DRIVER_STUFFUP; - ahb_free_ecb(unit, ecb, flags); - return (HAD_ERROR); - } - } else { /* No data xfer, use non S/G values */ - ecb->data = (physaddr) 0; - ecb->datalen = 0; - } ecb->chain = (physaddr) 0; - /* - * Put the scsi command in the ecb and start it - */ - bcopy(xs->cmd, ecb->cdb, xs->cmdlen); - /* - * Usually return SUCCESSFULLY QUEUED - */ - if (!(flags & SCSI_NOMASK)) { - s = splbio(); - ahb_send_mbox(unit, OP_START_ECB, xs->sc_link->target, ecb); - timeout(ahb_timeout, (caddr_t)ecb, (xs->timeout * hz) / 1000); - splx(s); - SC_DEBUG(xs->sc_link, SDEV_DB3, ("cmd_sent\n")); - return (SUCCESSFULLY_QUEUED); - } - /* - * If we can't use interrupts, poll on completion - */ - ahb_send_mbox(unit, OP_START_ECB, xs->sc_link->target, ecb); - SC_DEBUG(xs->sc_link, SDEV_DB3, ("cmd_wait\n")); - do { - if (ahb_poll(unit, xs->timeout)) { - if (!(xs->flags & SCSI_SILENT)) - printf("cmd fail\n"); - ahb_send_mbox(unit, OP_ABORT_ECB, xs->sc_link->target, ecb); - if (ahb_poll(unit, 2000)) { - printf("abort failed in wait\n"); - ahb_free_ecb(unit, ecb, flags); - } - xs->error = XS_DRIVER_STUFFUP; - return (HAD_ERROR); - } - } while (!(xs->flags & ITSDONE)); /* something (?) else finished */ - if (xs->error) { - return (HAD_ERROR); - } - return (COMPLETE); -} - -void -ahb_timeout(void *arg1) -{ - struct ecb * ecb = (struct ecb *)arg1; - int unit; - struct ahb_data *ahb; - int s = splbio(); - - unit = ecb->xs->sc_link->adapter_unit; - ahb = ahbdata[unit]; - printf("ahb%d:%d:%d (%s%d) timed out ", unit - ,ecb->xs->sc_link->target - ,ecb->xs->sc_link->lun - ,ecb->xs->sc_link->device->name - ,ecb->xs->sc_link->dev_unit); - -#ifdef AHBDEBUG - if (ahb_debug & AHB_SHOWECBS) - ahb_print_active_ecb(unit); -#endif /*AHBDEBUG */ - - /* - * If it's immediate, don't try abort it - */ - if (ecb->flags & ECB_IMMED) { - ecb->xs->retries = 0; /* I MEAN IT ! */ - ecb->flags |= ECB_IMMED_FAIL; - ahb_done(unit, ecb, FAIL); - splx(s); - return; - } - /* - * If it has been through before, then - * a previous abort has failed, don't - * try abort again - */ - if (ecb->flags == ECB_ABORTED) { - /* - * abort timed out - */ - printf("AGAIN"); - ecb->xs->retries = 0; /* I MEAN IT ! */ - ecb->ecb_status.ha_status = HS_CMD_ABORTED_HOST; - ahb_done(unit, ecb, FAIL); - } else { /* abort the operation that has timed out */ - printf("\n"); - ahb_send_mbox(unit, OP_ABORT_ECB, ecb->xs->sc_link->target, ecb); - /* 2 secs for the abort */ - timeout(ahb_timeout, (caddr_t)ecb, 2 * hz); - ecb->flags = ECB_ABORTED; - } - splx(s); -} - -#ifdef AHBDEBUG -void -ahb_print_ecb(ecb) - struct ecb *ecb; -{ - printf("ecb:%x op:%x cmdlen:%d senlen:%d\n" - ,ecb - ,ecb->opcode - ,ecb->cdblen - ,ecb->senselen); - printf(" datlen:%d hstat:%x tstat:%x flags:%x\n" - ,ecb->datalen - ,ecb->ecb_status.ha_status - ,ecb->ecb_status.targ_status - ,ecb->flags); - show_scsi_cmd(ecb->xs); -} - -void -ahb_print_active_ecb(int unit) -{ - struct ahb_data *ahb = ahbdata[unit]; - struct ecb *ecb; - int i = 0; - - while (i < ECB_HASH_SIZE) { - ecb = ahb->ecbhash[i]; - while (ecb) { - if (ecb->flags != ECB_FREE) { - ahb_print_ecb(ecb); - } - ecb = ecb->nexthash; - } i++; - } -} -#endif /*AHBDEBUG */ -#endif /*KERNEL */ diff --git a/sys/i386/eisa/aic7770.c b/sys/i386/eisa/aic7770.c deleted file mode 100644 index 5e1137e..0000000 --- a/sys/i386/eisa/aic7770.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * Product specific probe and attach routines for: - * 27/284X and aic7770 motherboard SCSI controllers - * - * Copyright (c) 1995 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 immediately at the beginning of the file, without modification, - * this list of conditions, and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Absolutely no warranty of function or purpose is made by the author - * Justin T. Gibbs. - * 4. Modifications may be freely made to this file if the above conditions - * are met. - * - * $Id: aic7770.c,v 1.10 1995/01/16 16:31:34 gibbs Exp $ - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <i386/isa/isa.h> -#include <i386/isa/isa_device.h> -#include <scsi/scsi_all.h> -#include <scsi/scsiconf.h> -#include <sys/devconf.h> -#include <machine/cpufunc.h> -#include <i386/scsi/aic7xxx.h> - -int aic7770probe __P((struct isa_device *dev)); -int aic7770_attach __P((struct isa_device *dev)); - -/* - * Standard EISA Host ID regs (Offset from slot base) - */ - -#define HID0 0xC80 /* 0,1: msb of ID2, 2-7: ID1 */ -#define HID1 0xC81 /* 0-4: ID3, 5-7: LSB ID2 */ -#define HID2 0xC82 /* product */ -#define HID3 0xC83 /* firmware revision */ - -#define CHAR1(B1,B2) (((B1>>2) & 0x1F) | '@') -#define CHAR2(B1,B2) (((B1<<3) & 0x18) | ((B2>>5) & 0x7)|'@') -#define CHAR3(B1,B2) ((B2 & 0x1F) | '@') - -#define MAX_SLOTS 16 /* max slots on the EISA bus */ -static ahc_slot = 0; /* slot last board was found in */ - -struct isa_driver ahcdriver = {aic7770probe, aic7770_attach, "ahc"}; - -typedef struct -{ - ahc_type type; - unsigned char id; /* The Last EISA Host ID reg */ -} aic7770_sig; - -static struct kern_devconf kdc_aic7770[NAHC] = { { - 0, 0, 0, /* filled in by dev_attach */ - "ahc", 0, { MDDT_ISA, 0, "bio" }, - isa_generic_externalize, 0, 0, ISA_EXTERNALLEN, - &kdc_isa0, /* parent */ - 0, /* parentdata */ - DC_BUSY, /* host adapters are always ``in use'' */ - "Adaptec aic7770 based SCSI host adapter" -} }; - -static inline void -aic7770_registerdev(struct isa_device *id) -{ - if(id->id_unit) - kdc_aic7770[id->id_unit] = kdc_aic7770[0]; - kdc_aic7770[id->id_unit].kdc_unit = id->id_unit; - kdc_aic7770[id->id_unit].kdc_parentdata = id; - dev_attach(&kdc_aic7770[id->id_unit]); -} - -int -aic7770probe(struct isa_device *dev) -{ - u_long port; - int i; - u_char sig_id[4]; - - aic7770_sig valid_ids[] = { - /* Entries of other tested adaptors should be added here */ - { AHC_274, 0x71 }, /*274x, Card*/ - { AHC_274, 0x70 }, /*274x, Motherboard*/ - { AHC_284, 0x56 }, /*284x, BIOS enabled*/ - { AHC_284, 0x57 } /*284x, BIOS disabled*/ - }; - - - ahc_slot++; - while (ahc_slot <= MAX_SLOTS) { - port = 0x1000 * ahc_slot; - for( i = 0; i < sizeof(sig_id); i++ ) - { - /* - * An outb is required to prime these registers on - * VL cards - */ - outb( port + HID0, HID0 + i ); - sig_id[i] = inb(port + HID0 + i); - } - if (sig_id[0] == 0xff) { - ahc_slot++; - continue; - } - /* Check manufacturer's ID. */ - if ((CHAR1(sig_id[0], sig_id[1]) == 'A') - && (CHAR2(sig_id[0], sig_id[1]) == 'D') - && (CHAR3(sig_id[0], sig_id[1]) == 'P') - && (sig_id[2] == 0x77)) { - for(i=0; i < sizeof(valid_ids)/sizeof(aic7770_sig);i++) - if ( sig_id[3] == valid_ids[i].id ) { - int unit = dev->id_unit; - dev->id_iobase = port; - if(ahcprobe(unit, port, - valid_ids[i].type)){ - /* - * If it's there, put in it's - * interrupt vectors - */ - dev->id_irq = (1 << - ahcdata[unit]->vect); - dev->id_drq = -1; /* EISA dma */ - ahc_unit++; - return IO_EISASIZE; - } - } - } - ahc_slot++; - } - return 0; -} - -int -aic7770_attach(dev) - struct isa_device *dev; -{ - int unit = dev->id_unit; - aic7770_registerdev(dev); - return ahc_attach(unit); -} - |