Date: Wed, 13 Apr 2011 16:20:54 +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: r220602 - in head/sys: cam cam/ata dev/ahci dev/mvs dev/siis sys Message-ID: <201104131620.p3DGKsZX001977@svn.freebsd.org>
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Author: mav Date: Wed Apr 13 16:20:54 2011 New Revision: 220602 URL: http://svn.freebsd.org/changeset/base/220602 Log: Improve SATA Asynchronous Notification feature support in CAM: - make SATA SIMs announce capabilities to handle SDB with Notification bit; - make PMP driver honor this SIMs capability; - make SATA XPT to negotiate and enable this feature for ATAPI devices. This feature allows supporting SATA ATAPI devices to inform system about some events happened, that may require attention. In my case this allows LG GH22LS50 SATA DVR-RW drive to report tray open/close events. Events reported to CAM in form of AC_SCSI_AEN async. Further they could be used as a hints for checking device status and reporting media change to upper layers, for example, via spoiling mechanism of GEOM. Modified: head/sys/cam/ata/ata_pmp.c head/sys/cam/ata/ata_xpt.c head/sys/cam/cam_ccb.h head/sys/dev/ahci/ahci.c head/sys/dev/mvs/mvs.c head/sys/dev/siis/siis.c head/sys/sys/ata.h Modified: head/sys/cam/ata/ata_pmp.c ============================================================================== --- head/sys/cam/ata/ata_pmp.c Wed Apr 13 15:17:23 2011 (r220601) +++ head/sys/cam/ata/ata_pmp.c Wed Apr 13 16:20:54 2011 (r220602) @@ -533,7 +533,8 @@ pmpstart(struct cam_periph *periph, unio /*data_ptr*/NULL, /*dxfer_len*/0, pmp_default_timeout * 1000); - ata_pm_write_cmd(ataio, 0x60, 15, 0xf); + ata_pm_write_cmd(ataio, 0x60, 15, 0x07 | + ((softc->caps & CTS_SATA_CAPS_H_AN) ? 0x08 : 0)); break; default: break; @@ -672,7 +673,9 @@ pmpdone(struct cam_periph *periph, union cts.xport_specific.sata.revision = (res & 0x0f0) >> 4; cts.xport_specific.sata.valid = CTS_SATA_VALID_REVISION; cts.xport_specific.sata.caps = softc->caps & - (CTS_SATA_CAPS_H_PMREQ | CTS_SATA_CAPS_H_DMAAA); + (CTS_SATA_CAPS_H_PMREQ | + CTS_SATA_CAPS_H_DMAAA | + CTS_SATA_CAPS_H_AN); cts.xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; xpt_action((union ccb *)&cts); xpt_free_path(dpath); Modified: head/sys/cam/ata/ata_xpt.c ============================================================================== --- head/sys/cam/ata/ata_xpt.c Wed Apr 13 15:17:23 2011 (r220601) +++ head/sys/cam/ata/ata_xpt.c Wed Apr 13 16:20:54 2011 (r220602) @@ -87,6 +87,7 @@ typedef enum { PROBE_SETPM, PROBE_SETAPST, PROBE_SETDMAAA, + PROBE_SETAN, PROBE_SET_MULTI, PROBE_INQUIRY, PROBE_FULL_INQUIRY, @@ -103,6 +104,7 @@ static char *probe_action_text[] = { "PROBE_SETPM", "PROBE_SETAPST", "PROBE_SETDMAAA", + "PROBE_SETAN", "PROBE_SET_MULTI", "PROBE_INQUIRY", "PROBE_FULL_INQUIRY", @@ -436,6 +438,19 @@ negotiate: (softc->caps & CTS_SATA_CAPS_H_DMAAA) ? 0x10 : 0x90, 0, 0x02); break; + case PROBE_SETAN: + cam_fill_ataio(ataio, + 1, + probedone, + CAM_DIR_NONE, + 0, + NULL, + 0, + 30*1000); + ata_28bit_cmd(ataio, ATA_SETFEATURES, + (softc->caps & CTS_SATA_CAPS_H_AN) ? 0x10 : 0x90, + 0, 0x05); + break; case PROBE_SET_MULTI: { u_int sectors, bytecount; @@ -1027,6 +1042,16 @@ noerror: } /* FALLTHROUGH */ case PROBE_SETDMAAA: + if ((ident_buf->satasupport & ATA_SUPPORT_ASYNCNOTIF) && + (!(softc->caps & CTS_SATA_CAPS_H_AN)) != + (!(ident_buf->sataenabled & ATA_SUPPORT_ASYNCNOTIF))) { + PROBE_SET_ACTION(softc, PROBE_SETAN); + xpt_release_ccb(done_ccb); + xpt_schedule(periph, priority); + return; + } + /* FALLTHROUGH */ + case PROBE_SETAN: notsata: if (path->device->protocol == PROTO_ATA) { PROBE_SET_ACTION(softc, PROBE_SET_MULTI); Modified: head/sys/cam/cam_ccb.h ============================================================================== --- head/sys/cam/cam_ccb.h Wed Apr 13 15:17:23 2011 (r220601) +++ head/sys/cam/cam_ccb.h Wed Apr 13 16:20:54 2011 (r220602) @@ -889,6 +889,7 @@ struct ccb_trans_settings_sata { #define CTS_SATA_CAPS_H_PMREQ 0x00000001 #define CTS_SATA_CAPS_H_APST 0x00000002 #define CTS_SATA_CAPS_H_DMAAA 0x00000010 /* Auto-activation */ +#define CTS_SATA_CAPS_H_AN 0x00000020 /* Async. notification */ #define CTS_SATA_CAPS_D 0xffff0000 #define CTS_SATA_CAPS_D_PMREQ 0x00010000 #define CTS_SATA_CAPS_D_APST 0x00020000 Modified: head/sys/dev/ahci/ahci.c ============================================================================== --- head/sys/dev/ahci/ahci.c Wed Apr 13 15:17:23 2011 (r220601) +++ head/sys/dev/ahci/ahci.c Wed Apr 13 16:20:54 2011 (r220602) @@ -914,7 +914,8 @@ ahci_ch_attach(device_t dev) CTS_SATA_CAPS_H_APST | CTS_SATA_CAPS_D_PMREQ | CTS_SATA_CAPS_D_APST; } - ch->user[i].caps |= CTS_SATA_CAPS_H_DMAAA; + ch->user[i].caps |= CTS_SATA_CAPS_H_DMAAA | + CTS_SATA_CAPS_H_AN; } rid = ch->unit; if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, @@ -2721,6 +2722,7 @@ ahciaction(struct cam_sim *sim, union cc if ((ch->caps & AHCI_CAP_SNCQ) && (ch->quirks & AHCI_Q_NOAA) == 0) cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_DMAAA; + cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN; cts->xport_specific.sata.caps &= ch->user[ccb->ccb_h.target_id].caps; cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; Modified: head/sys/dev/mvs/mvs.c ============================================================================== --- head/sys/dev/mvs/mvs.c Wed Apr 13 15:17:23 2011 (r220601) +++ head/sys/dev/mvs/mvs.c Wed Apr 13 16:20:54 2011 (r220602) @@ -138,6 +138,7 @@ mvs_ch_attach(device_t dev) CTS_SATA_CAPS_H_APST | CTS_SATA_CAPS_D_PMREQ | CTS_SATA_CAPS_D_APST; } + ch->user[i].caps |= CTS_SATA_CAPS_H_AN; } rid = ch->unit; if (!(ch->r_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY, @@ -861,6 +862,8 @@ mvs_legacy_intr(device_t dev) if (mvs_wait(dev, ATA_S_DRQ, ATA_S_BUSY, 1000) < 0) { device_printf(dev, "timeout waiting for read DRQ\n"); et = MVS_ERR_TIMEOUT; + xpt_freeze_simq(ch->sim, 1); + ch->toslots |= (1 << slot->slot); goto end_finished; } ATA_INSW_STRM(ch->r_mem, ATA_DATA, @@ -880,6 +883,8 @@ mvs_legacy_intr(device_t dev) device_printf(dev, "timeout waiting for write DRQ\n"); et = MVS_ERR_TIMEOUT; + xpt_freeze_simq(ch->sim, 1); + ch->toslots |= (1 << slot->slot); goto end_finished; } ATA_OUTSW_STRM(ch->r_mem, ATA_DATA, @@ -1325,6 +1330,8 @@ mvs_legacy_execute_transaction(struct mv if (mvs_wait(dev, ATA_S_DRQ, ATA_S_BUSY, 1000) < 0) { device_printf(dev, "timeout waiting for write DRQ\n"); + xpt_freeze_simq(ch->sim, 1); + ch->toslots |= (1 << slot->slot); mvs_end_transaction(slot, MVS_ERR_TIMEOUT); return; } @@ -1351,6 +1358,8 @@ mvs_legacy_execute_transaction(struct mv /* Wait for ready to write ATAPI command block */ if (mvs_wait(dev, 0, ATA_S_BUSY, 1000) < 0) { device_printf(dev, "timeout waiting for ATAPI !BUSY\n"); + xpt_freeze_simq(ch->sim, 1); + ch->toslots |= (1 << slot->slot); mvs_end_transaction(slot, MVS_ERR_TIMEOUT); return; } @@ -1367,6 +1376,8 @@ mvs_legacy_execute_transaction(struct mv if (timeout <= 0) { device_printf(dev, "timeout waiting for ATAPI command ready\n"); + xpt_freeze_simq(ch->sim, 1); + ch->toslots |= (1 << slot->slot); mvs_end_transaction(slot, MVS_ERR_TIMEOUT); return; } @@ -2205,6 +2216,7 @@ mvsaction(struct cam_sim *sim, union ccb cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D; // if (ch->pm_level) // cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ; + cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN; cts->xport_specific.sata.caps &= ch->user[ccb->ccb_h.target_id].caps; cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; @@ -2212,6 +2224,9 @@ mvsaction(struct cam_sim *sim, union ccb cts->xport_specific.sata.revision = d->revision; cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; cts->xport_specific.sata.caps = d->caps; + if (cts->type == CTS_TYPE_CURRENT_SETTINGS/* && + (ch->quirks & MVS_Q_GENIIE) == 0*/) + cts->xport_specific.sata.caps &= ~CTS_SATA_CAPS_H_AN; cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; } cts->xport_specific.sata.mode = d->mode; Modified: head/sys/dev/siis/siis.c ============================================================================== --- head/sys/dev/siis/siis.c Wed Apr 13 15:17:23 2011 (r220601) +++ head/sys/dev/siis/siis.c Wed Apr 13 16:20:54 2011 (r220602) @@ -474,6 +474,7 @@ siis_ch_attach(device_t dev) ch->curr[i] = ch->user[i]; if (ch->pm_level) ch->user[i].caps = CTS_SATA_CAPS_H_PMREQ; + ch->user[i].caps |= CTS_SATA_CAPS_H_AN; } mtx_init(&ch->mtx, "SIIS channel lock", NULL, MTX_DEF); rid = ch->unit; @@ -1869,6 +1870,7 @@ siisaction(struct cam_sim *sim, union cc cts->xport_specific.sata.caps = d->caps & CTS_SATA_CAPS_D; if (ch->pm_level) cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_PMREQ; + cts->xport_specific.sata.caps |= CTS_SATA_CAPS_H_AN; cts->xport_specific.sata.caps &= ch->user[ccb->ccb_h.target_id].caps; cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; @@ -1876,6 +1878,9 @@ siisaction(struct cam_sim *sim, union cc cts->xport_specific.sata.revision = d->revision; cts->xport_specific.sata.valid |= CTS_SATA_VALID_REVISION; cts->xport_specific.sata.caps = d->caps; + if (cts->type == CTS_TYPE_CURRENT_SETTINGS && + (ch->quirks & SIIS_Q_SNTF) == 0) + cts->xport_specific.sata.caps &= ~CTS_SATA_CAPS_H_AN; cts->xport_specific.sata.valid |= CTS_SATA_VALID_CAPS; } cts->xport_specific.sata.mode = d->mode; Modified: head/sys/sys/ata.h ============================================================================== --- head/sys/sys/ata.h Wed Apr 13 15:17:23 2011 (r220601) +++ head/sys/sys/ata.h Wed Apr 13 16:20:54 2011 (r220602) @@ -135,6 +135,7 @@ struct ata_params { #define ATA_SUPPORT_AUTOACTIVATE 0x0004 #define ATA_SUPPORT_IFPWRMNGT 0x0008 #define ATA_SUPPORT_INORDERDATA 0x0010 +#define ATA_SUPPORT_ASYNCNOTIF 0x0020 #define ATA_SUPPORT_SOFTSETPRESERVE 0x0040 /*79*/ u_int16_t sataenabled; #define ATA_ENABLED_DAPST 0x0080
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