Date: Sun, 22 Nov 2015 15:57:55 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r291161 - head/sys/dev/isp Message-ID: <201511221557.tAMFvtdF074525@repo.freebsd.org>
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Author: mav Date: Sun Nov 22 15:57:54 2015 New Revision: 291161 URL: https://svnweb.freebsd.org/changeset/base/291161 Log: Gracefully stop firmware before resetting chip when changing role. Modified: head/sys/dev/isp/isp.c Modified: head/sys/dev/isp/isp.c ============================================================================== --- head/sys/dev/isp/isp.c Sun Nov 22 11:44:30 2015 (r291160) +++ head/sys/dev/isp/isp.c Sun Nov 22 15:57:54 2015 (r291161) @@ -1338,11 +1338,32 @@ isp_reset(ispsoftc_t *isp, int do_load_d } /* + * Clean firmware shutdown. + */ +static int +isp_deinit(ispsoftc_t *isp) +{ + mbreg_t mbs; + + isp->isp_state = ISP_NILSTATE; + MBSINIT(&mbs, MBOX_STOP_FIRMWARE, MBLOGALL, 500000); + mbs.param[1] = 0; + mbs.param[2] = 0; + mbs.param[3] = 0; + mbs.param[4] = 0; + mbs.param[5] = 0; + mbs.param[6] = 0; + mbs.param[7] = 0; + mbs.param[8] = 0; + isp_mboxcmd(isp, &mbs); + return (mbs.param[0] == MBOX_COMMAND_COMPLETE ? 0 : mbs.param[0]); +} + +/* * Initialize Parameters of Hardware to a known state. * * Locks are held before coming here. */ - void isp_init(ispsoftc_t *isp) { @@ -6799,7 +6820,7 @@ static const uint32_t mbpfc[] = { ISP_FC_OPMAP(0x2f, 0x21), /* 0x11: MBOX_INIT_RES_QUEUE */ ISP_FC_OPMAP(0x0f, 0x01), /* 0x12: MBOX_EXECUTE_IOCB */ ISP_FC_OPMAP(0x03, 0x03), /* 0x13: MBOX_WAKE_UP */ - ISP_FC_OPMAP(0x01, 0xff), /* 0x14: MBOX_STOP_FIRMWARE */ + ISP_FC_OPMAP_HALF(0x1, 0xff, 0x0, 0x03), /* 0x14: MBOX_STOP_FIRMWARE */ ISP_FC_OPMAP(0x4f, 0x01), /* 0x15: MBOX_ABORT */ ISP_FC_OPMAP(0x07, 0x01), /* 0x16: MBOX_ABORT_DEVICE */ ISP_FC_OPMAP(0x07, 0x01), /* 0x17: MBOX_ABORT_TARGET */ @@ -7621,6 +7642,8 @@ isp_reinit(ispsoftc_t *isp, int do_load_ { int i, res = 0; + if (isp->isp_state == ISP_RUNSTATE) + isp_deinit(isp); if (isp->isp_state != ISP_RESETSTATE) isp_reset(isp, do_load_defaults); if (isp->isp_state != ISP_RESETSTATE) {
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