Date: Mon, 27 Jul 2009 21:52:37 GMT From: Alexander Motin <mav@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 166655 for review Message-ID: <200907272152.n6RLqbnx047672@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=166655 Change 166655 by mav@mav_mavbook on 2009/07/27 21:51:51 Add SNTF support. Affected files ... .. //depot/projects/scottl-camlock/src/sys/dev/ahci/ahci.c#47 edit Differences ... ==== //depot/projects/scottl-camlock/src/sys/dev/ahci/ahci.c#47 (text+ko) ==== @@ -848,6 +848,31 @@ } static void +ahci_notify_events(device_t dev) +{ + struct ahci_channel *ch = device_get_softc(dev); + struct cam_path *dpath; + u_int32_t status; + int i; + + status = ATA_INL(ch->r_mem, AHCI_P_SNTF); + if (status == 0) + return; + ATA_OUTL(ch->r_mem, AHCI_P_SNTF, status); + if (bootverbose) + device_printf(dev, "SNTF 0x%04x\n", status); + for (i = 0; i < 16; i++) { + if ((status & (1 << i)) == 0) + continue; + if (xpt_create_path(&dpath, NULL, + xpt_path_path_id(ch->path), i, 0) == CAM_REQ_CMP) { + xpt_async(AC_SCSI_AEN, dpath, NULL); + xpt_free_path(dpath); + } + } +} + +static void ahci_ch_intr_locked(void *data) { device_t dev = (device_t)data; @@ -936,6 +961,9 @@ if (ncq_err) ahci_issue_read_log(dev); } + /* Process NOTIFY events */ + if ((istatus & AHCI_P_IX_SDB) && (ch->caps & AHCI_CAP_SSNTF)) + ahci_notify_events(dev); } /* Must be called with channel locked. */
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