Deleted Added
sdiff udiff text old ( 290784 ) new ( 290785 )
full compact
isp.c (290784) isp.c (290785)
1/*-
2 * Copyright (c) 1997-2009 by Matthew Jacob
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *

--- 33 unchanged lines hidden (view full) ---

42 */
43#ifdef __NetBSD__
44#include <sys/cdefs.h>
45__KERNEL_RCSID(0, "$NetBSD$");
46#include <dev/ic/isp_netbsd.h>
47#endif
48#ifdef __FreeBSD__
49#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 1997-2009 by Matthew Jacob
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *

--- 33 unchanged lines hidden (view full) ---

42 */
43#ifdef __NetBSD__
44#include <sys/cdefs.h>
45__KERNEL_RCSID(0, "$NetBSD$");
46#include <dev/ic/isp_netbsd.h>
47#endif
48#ifdef __FreeBSD__
49#include <sys/cdefs.h>
50__FBSDID("$FreeBSD: stable/10/sys/dev/isp/isp.c 290784 2015-11-13 19:41:04Z mav $");
50__FBSDID("$FreeBSD: stable/10/sys/dev/isp/isp.c 290785 2015-11-13 19:42:55Z mav $");
51#include <dev/isp/isp_freebsd.h>
52#endif
53#ifdef __OpenBSD__
54#include <dev/ic/isp_openbsd.h>
55#endif
56#ifdef __linux__
57#include "isp_linux.h"
58#endif

--- 4973 unchanged lines hidden (view full) ---

5032 * Limit our stack depth by sticking with the max likely number
5033 * of completions on a request queue at any one time.
5034 */
5035#ifndef MAX_REQUESTQ_COMPLETIONS
5036#define MAX_REQUESTQ_COMPLETIONS 32
5037#endif
5038
5039void
51#include <dev/isp/isp_freebsd.h>
52#endif
53#ifdef __OpenBSD__
54#include <dev/ic/isp_openbsd.h>
55#endif
56#ifdef __linux__
57#include "isp_linux.h"
58#endif

--- 4973 unchanged lines hidden (view full) ---

5032 * Limit our stack depth by sticking with the max likely number
5033 * of completions on a request queue at any one time.
5034 */
5035#ifndef MAX_REQUESTQ_COMPLETIONS
5036#define MAX_REQUESTQ_COMPLETIONS 32
5037#endif
5038
5039void
5040isp_intr(ispsoftc_t *isp, uint32_t isr, uint16_t sema, uint16_t mbox)
5040isp_intr(ispsoftc_t *isp, uint16_t isr, uint16_t sema, uint16_t info)
5041{
5042 XS_T *complist[MAX_REQUESTQ_COMPLETIONS], *xs;
5043 uint32_t iptr, optr, junk;
5044 int i, nlooked = 0, ndone = 0, continuations_expected = 0;
5045 int etype, last_etype = 0;
5046
5047again:
5048 /*
5049 * Is this a mailbox related interrupt?
5050 * The mailbox semaphore will be nonzero if so.
5051 */
5052 if (sema) {
5053 fmbox:
5041{
5042 XS_T *complist[MAX_REQUESTQ_COMPLETIONS], *xs;
5043 uint32_t iptr, optr, junk;
5044 int i, nlooked = 0, ndone = 0, continuations_expected = 0;
5045 int etype, last_etype = 0;
5046
5047again:
5048 /*
5049 * Is this a mailbox related interrupt?
5050 * The mailbox semaphore will be nonzero if so.
5051 */
5052 if (sema) {
5053 fmbox:
5054 if (mbox & MBOX_COMMAND_COMPLETE) {
5054 if (info & MBOX_COMMAND_COMPLETE) {
5055 isp->isp_intmboxc++;
5056 if (isp->isp_mboxbsy) {
5057 int obits = isp->isp_obits;
5055 isp->isp_intmboxc++;
5056 if (isp->isp_mboxbsy) {
5057 int obits = isp->isp_obits;
5058 isp->isp_mboxtmp[0] = mbox;
5058 isp->isp_mboxtmp[0] = info;
5059 for (i = 1; i < ISP_NMBOX(isp); i++) {
5060 if ((obits & (1 << i)) == 0) {
5061 continue;
5062 }
5063 isp->isp_mboxtmp[i] = ISP_READ(isp, MBOX_OFF(i));
5064 }
5065 if (isp->isp_mbxwrk0) {
5066 if (isp_mbox_continue(isp) == 0) {
5067 return;
5068 }
5069 }
5070 MBOX_NOTIFY_COMPLETE(isp);
5071 } else {
5059 for (i = 1; i < ISP_NMBOX(isp); i++) {
5060 if ((obits & (1 << i)) == 0) {
5061 continue;
5062 }
5063 isp->isp_mboxtmp[i] = ISP_READ(isp, MBOX_OFF(i));
5064 }
5065 if (isp->isp_mbxwrk0) {
5066 if (isp_mbox_continue(isp) == 0) {
5067 return;
5068 }
5069 }
5070 MBOX_NOTIFY_COMPLETE(isp);
5071 } else {
5072 isp_prt(isp, ISP_LOGWARN, "mailbox cmd (0x%x) with no waiters", mbox);
5072 isp_prt(isp, ISP_LOGWARN, "mailbox cmd (0x%x) with no waiters", info);
5073 }
5074 } else {
5073 }
5074 } else {
5075 i = IS_FC(isp)? isp_parse_async_fc(isp, mbox) : isp_parse_async(isp, mbox);
5075 i = IS_FC(isp)? isp_parse_async_fc(isp, info) : isp_parse_async(isp, info);
5076 if (i < 0) {
5077 return;
5078 }
5079 }
5076 if (i < 0) {
5077 return;
5078 }
5079 }
5080 if ((IS_FC(isp) && mbox != ASYNC_RIOZIO_STALL) || isp->isp_state != ISP_RUNSTATE) {
5080 if ((IS_FC(isp) && info != ASYNC_RIOZIO_STALL) || isp->isp_state != ISP_RUNSTATE) {
5081 goto out;
5082 }
5083 }
5084
5085 /*
5086 * We can't be getting this now.
5087 */
5088 if (isp->isp_state != ISP_RUNSTATE) {
5089 /*
5090 * This seems to happen to 23XX and 24XX cards- don't know why.
5091 */
5092 if (isp->isp_mboxbsy && isp->isp_lastmbxcmd == MBOX_ABOUT_FIRMWARE) {
5093 goto fmbox;
5094 }
5081 goto out;
5082 }
5083 }
5084
5085 /*
5086 * We can't be getting this now.
5087 */
5088 if (isp->isp_state != ISP_RUNSTATE) {
5089 /*
5090 * This seems to happen to 23XX and 24XX cards- don't know why.
5091 */
5092 if (isp->isp_mboxbsy && isp->isp_lastmbxcmd == MBOX_ABOUT_FIRMWARE) {
5093 goto fmbox;
5094 }
5095 isp_prt(isp, ISP_LOGINFO, "interrupt (ISR=%x SEMA=%x) when not ready", isr, sema);
5095 isp_prt(isp, ISP_LOGINFO, "interrupt (ISR=%x SEMA=%x INFO=%x) "
5096 "when not ready", isr, sema, info);
5096 /*
5097 * Thank you very much! *Burrrp*!
5098 */
5099 isp->isp_residx = ISP_READ(isp, isp->isp_respinrp);
5100 isp->isp_resodx = isp->isp_residx;
5101 ISP_WRITE(isp, isp->isp_respoutrp, isp->isp_resodx);
5102 if (IS_24XX(isp)) {
5103 ISP_DISABLE_INTS(isp);
5104 }
5105 goto out;
5106 }
5107
5108#ifdef ISP_TARGET_MODE
5109 /*
5110 * Check for ATIO Queue entries.
5111 */
5112 if (IS_24XX(isp) &&
5097 /*
5098 * Thank you very much! *Burrrp*!
5099 */
5100 isp->isp_residx = ISP_READ(isp, isp->isp_respinrp);
5101 isp->isp_resodx = isp->isp_residx;
5102 ISP_WRITE(isp, isp->isp_respoutrp, isp->isp_resodx);
5103 if (IS_24XX(isp)) {
5104 ISP_DISABLE_INTS(isp);
5105 }
5106 goto out;
5107 }
5108
5109#ifdef ISP_TARGET_MODE
5110 /*
5111 * Check for ATIO Queue entries.
5112 */
5113 if (IS_24XX(isp) &&
5113 ((isr & BIU2400_R2HST_ISTAT_MASK) == ISP2400R2HST_ATIO_RSPQ_UPDATE ||
5114 (isr & BIU2400_R2HST_ISTAT_MASK) == ISP2400R2HST_ATIO_RQST_UPDATE)) {
5114 (isr == ISPR2HST_ATIO_UPDATE || isr == ISPR2HST_ATIO_RSPQ_UPDATE ||
5115 isr == ISPR2HST_ATIO_UPDATE2)) {
5115 iptr = ISP_READ(isp, BIU2400_ATIO_RSPINP);
5116 optr = isp->isp_atioodx;
5117
5118 while (optr != iptr) {
5119 uint8_t qe[QENTRY_LEN];
5120 isphdr_t *hp;
5121 uint32_t oop;
5122 void *addr;

--- 17 unchanged lines hidden (view full) ---

5140 if (isp->isp_atioodx != optr) {
5141 ISP_WRITE(isp, BIU2400_ATIO_RSPOUTP, optr);
5142 isp->isp_atioodx = optr;
5143 }
5144 }
5145#endif
5146
5147 /*
5116 iptr = ISP_READ(isp, BIU2400_ATIO_RSPINP);
5117 optr = isp->isp_atioodx;
5118
5119 while (optr != iptr) {
5120 uint8_t qe[QENTRY_LEN];
5121 isphdr_t *hp;
5122 uint32_t oop;
5123 void *addr;

--- 17 unchanged lines hidden (view full) ---

5141 if (isp->isp_atioodx != optr) {
5142 ISP_WRITE(isp, BIU2400_ATIO_RSPOUTP, optr);
5143 isp->isp_atioodx = optr;
5144 }
5145 }
5146#endif
5147
5148 /*
5148 * Get the current Response Queue Out Pointer.
5149 *
5150 * If we're a 2300 or 2400, we can ask what hardware what it thinks.
5151 */
5152#if 0
5153 if (IS_23XX(isp) || IS_24XX(isp)) {
5154 optr = ISP_READ(isp, isp->isp_respoutrp);
5155 /*
5156 * Debug: to be taken out eventually
5157 */
5158 if (isp->isp_resodx != optr) {
5159 isp_prt(isp, ISP_LOGINFO, "isp_intr: hard optr=%x, soft optr %x", optr, isp->isp_resodx);
5160 isp->isp_resodx = optr;
5161 }
5162 } else
5163#endif
5164 optr = isp->isp_resodx;
5165
5166 /*
5167 * You *must* read the Response Queue In Pointer
5168 * prior to clearing the RISC interrupt.
5169 *
5170 * Debounce the 2300 if revision less than 2.
5171 */
5172 if (IS_2100(isp) || (IS_2300(isp) && isp->isp_revision < 2)) {
5173 i = 0;
5174 do {

--- 4 unchanged lines hidden (view full) ---

5179 if (iptr != junk) {
5180 isp_prt(isp, ISP_LOGWARN, "Response Queue Out Pointer Unstable (%x, %x)", iptr, junk);
5181 goto out;
5182 }
5183 } else {
5184 iptr = ISP_READ(isp, isp->isp_respinrp);
5185 }
5186
5149 * You *must* read the Response Queue In Pointer
5150 * prior to clearing the RISC interrupt.
5151 *
5152 * Debounce the 2300 if revision less than 2.
5153 */
5154 if (IS_2100(isp) || (IS_2300(isp) && isp->isp_revision < 2)) {
5155 i = 0;
5156 do {

--- 4 unchanged lines hidden (view full) ---

5161 if (iptr != junk) {
5162 isp_prt(isp, ISP_LOGWARN, "Response Queue Out Pointer Unstable (%x, %x)", iptr, junk);
5163 goto out;
5164 }
5165 } else {
5166 iptr = ISP_READ(isp, isp->isp_respinrp);
5167 }
5168
5169 optr = isp->isp_resodx;
5187 if (optr == iptr && sema == 0) {
5188 /*
5189 * There are a lot of these- reasons unknown- mostly on
5190 * faster Alpha machines.
5191 *
5192 * I tried delaying after writing HCCR_CMD_CLEAR_RISC_INT to
5193 * make sure the old interrupt went away (to avoid 'ringing'
5194 * effects), but that didn't stop this from occurring.

--- 7 unchanged lines hidden (view full) ---

5202 } else {
5203 junk = ISP_READ(isp, BIU_ISR);
5204 }
5205 if (optr == iptr) {
5206 if (IS_23XX(isp) || IS_24XX(isp)) {
5207 ;
5208 } else {
5209 sema = ISP_READ(isp, BIU_SEMA);
5170 if (optr == iptr && sema == 0) {
5171 /*
5172 * There are a lot of these- reasons unknown- mostly on
5173 * faster Alpha machines.
5174 *
5175 * I tried delaying after writing HCCR_CMD_CLEAR_RISC_INT to
5176 * make sure the old interrupt went away (to avoid 'ringing'
5177 * effects), but that didn't stop this from occurring.

--- 7 unchanged lines hidden (view full) ---

5185 } else {
5186 junk = ISP_READ(isp, BIU_ISR);
5187 }
5188 if (optr == iptr) {
5189 if (IS_23XX(isp) || IS_24XX(isp)) {
5190 ;
5191 } else {
5192 sema = ISP_READ(isp, BIU_SEMA);
5210 mbox = ISP_READ(isp, OUTMAILBOX0);
5211 if ((sema & 0x3) && (mbox & 0x8000)) {
5193 info = ISP_READ(isp, OUTMAILBOX0);
5194 if ((sema & 0x3) && (info & 0x8000)) {
5212 goto again;
5213 }
5214 }
5215 isp->isp_intbogus++;
5216 isp_prt(isp, ISP_LOGDEBUG1, "bogus intr- isr %x (%x) iptr %x optr %x", isr, junk, iptr, optr);
5217 }
5218 }
5219 isp->isp_residx = iptr;

--- 3321 unchanged lines hidden --- 		5195 goto again;
5196 }
5197 }
5198 isp->isp_intbogus++;
5199 isp_prt(isp, ISP_LOGDEBUG1, "bogus intr- isr %x (%x) iptr %x optr %x", isr, junk, iptr, optr);
5200 }
5201 }
5202 isp->isp_residx = iptr;

--- 3321 unchanged lines hidden ---