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isp.c (291502) isp.c (291503)
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 *

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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 *

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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 291502 2015-11-30 21:31:34Z mav $");
50__FBSDID("$FreeBSD: stable/10/sys/dev/isp/isp.c 291503 2015-11-30 21:32:12Z 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

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2751/*
2752 * Make sure we have good FC link.
2753 */
2754
2755static int
2756isp_fclink_test(ispsoftc_t *isp, int chan, int usdelay)
2757{
2758 mbreg_t mbs;
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

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2751/*
2752 * Make sure we have good FC link.
2753 */
2754
2755static int
2756isp_fclink_test(ispsoftc_t *isp, int chan, int usdelay)
2757{
2758 mbreg_t mbs;
2759 int count, check_for_fabric, r;
2759 int check_for_fabric, r;
2760 uint8_t lwfs;
2761 int loopid;
2762 fcparam *fcp;
2763 fcportdb_t *lp;
2764 isp_pdb_t pdb;
2760 uint8_t lwfs;
2761 int loopid;
2762 fcparam *fcp;
2763 fcportdb_t *lp;
2764 isp_pdb_t pdb;
2765 NANOTIME_T hra, hrb;
2765
2766 fcp = FCPARAM(isp, chan);
2767
2768 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d FC Link Test Entry", chan);
2769 ISP_MARK_PORTDB(isp, chan, 1);
2770
2771 /*
2772 * Wait up to N microseconds for F/W to go to a ready state.
2773 */
2774 lwfs = FW_CONFIG_WAIT;
2766
2767 fcp = FCPARAM(isp, chan);
2768
2769 isp_prt(isp, ISP_LOG_SANCFG, "Chan %d FC Link Test Entry", chan);
2770 ISP_MARK_PORTDB(isp, chan, 1);
2771
2772 /*
2773 * Wait up to N microseconds for F/W to go to a ready state.
2774 */
2775 lwfs = FW_CONFIG_WAIT;
2775 count = 0;
2776 while (count < usdelay) {
2777 uint64_t enano;
2778 uint32_t wrk;
2779 NANOTIME_T hra, hrb;
2780
2781 GET_NANOTIME(&hra);
2776 GET_NANOTIME(&hra);
2777 do {
2782 isp_fw_state(isp, chan);
2783 if (lwfs != fcp->isp_fwstate) {
2784 isp_prt(isp, ISP_LOGCONFIG|ISP_LOG_SANCFG, "Chan %d Firmware State <%s->%s>", chan, isp_fc_fw_statename((int)lwfs), isp_fc_fw_statename((int)fcp->isp_fwstate));
2785 lwfs = fcp->isp_fwstate;
2786 }
2787 if (fcp->isp_fwstate == FW_READY) {
2788 break;
2789 }
2778 isp_fw_state(isp, chan);
2779 if (lwfs != fcp->isp_fwstate) {
2780 isp_prt(isp, ISP_LOGCONFIG|ISP_LOG_SANCFG, "Chan %d Firmware State <%s->%s>", chan, isp_fc_fw_statename((int)lwfs), isp_fc_fw_statename((int)fcp->isp_fwstate));
2781 lwfs = fcp->isp_fwstate;
2782 }
2783 if (fcp->isp_fwstate == FW_READY) {
2784 break;
2785 }
2786 ISP_SLEEP(isp, 1000);
2790 GET_NANOTIME(&hrb);
2787 GET_NANOTIME(&hrb);
2788 } while (NANOTIME_SUB(&hrb, &hra) / 1000 < usdelay);
2791
2789
2792 /*
2793 * Get the elapsed time in nanoseconds.
2794 * Always guaranteed to be non-zero.
2795 */
2796 enano = NANOTIME_SUB(&hrb, &hra);
2797
2798 isp_prt(isp, ISP_LOGDEBUG1, "usec%d: 0x%lx->0x%lx enano 0x%x%08x", count, (long) GET_NANOSEC(&hra), (long) GET_NANOSEC(&hrb), (uint32_t)(enano >> 32), (uint32_t)(enano));
2799
2800 /*
2801 * If the elapsed time is less than 1 millisecond,
2802 * delay a period of time up to that millisecond of
2803 * waiting.
2804 *
2805 * This peculiar code is an attempt to try and avoid
2806 * invoking uint64_t math support functions for some
2807 * platforms where linkage is a problem.
2808 */
2809 if (enano < (1000 * 1000)) {
2810 count += 1000;
2811 enano = (1000 * 1000) - enano;
2812 while (enano > (uint64_t) 4000000000U) {
2813 ISP_SLEEP(isp, 4000000);
2814 enano -= (uint64_t) 4000000000U;
2815 }
2816 wrk = enano;
2817 wrk /= 1000;
2818 ISP_SLEEP(isp, wrk);
2819 } else {
2820 while (enano > (uint64_t) 4000000000U) {
2821 count += 4000000;
2822 enano -= (uint64_t) 4000000000U;
2823 }
2824 wrk = enano;
2825 count += (wrk / 1000);
2826 }
2827 }
2828
2829
2830
2831 /*
2832 * If we haven't gone to 'ready' state, return.
2833 */
2834 if (fcp->isp_fwstate != FW_READY) {
2835 isp_prt(isp, ISP_LOG_SANCFG, "%s: chan %d not at FW_READY state", __func__, chan);
2836 return (-1);
2837 }
2838

--- 5750 unchanged lines hidden --- 		2790 /*
2791 * If we haven't gone to 'ready' state, return.
2792 */
2793 if (fcp->isp_fwstate != FW_READY) {
2794 isp_prt(isp, ISP_LOG_SANCFG, "%s: chan %d not at FW_READY state", __func__, chan);
2795 return (-1);
2796 }
2797

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