/* $OpenBSD: mpi.c,v 1.34 2006/06/12 12:31:58 dlg Exp $ */ /* * Copyright (c) 2005, 2006 David Gwynne * Copyright (c) 2005 Marco Peereboom * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include #include #include #include #ifdef MPI_DEBUG uint32_t mpi_debug = 0 /* | MPI_D_CMD */ /* | MPI_D_INTR */ | MPI_D_MISC /* | MPI_D_DMA */ /* | MPI_D_IOCTL */ /* | MPI_D_RW */ /* | MPI_D_MEM */ /* | MPI_D_CCB */ | MPI_D_PPR ; #endif struct cfdriver mpi_cd = { NULL, "mpi", DV_DULL }; int mpi_scsi_cmd(struct scsi_xfer *); void mpi_scsi_cmd_done(struct mpi_ccb *); void mpi_minphys(struct buf *bp); int mpi_scsi_ioctl(struct scsi_link *, u_long, caddr_t, int, struct proc *); struct scsi_adapter mpi_switch = { mpi_scsi_cmd, mpi_minphys, NULL, NULL, mpi_scsi_ioctl }; struct scsi_device mpi_dev = { NULL, NULL, NULL, NULL }; struct mpi_dmamem *mpi_dmamem_alloc(struct mpi_softc *, size_t); void mpi_dmamem_free(struct mpi_softc *, struct mpi_dmamem *); int mpi_alloc_ccbs(struct mpi_softc *); struct mpi_ccb *mpi_get_ccb(struct mpi_softc *); void mpi_put_ccb(struct mpi_softc *, struct mpi_ccb *); int mpi_alloc_replies(struct mpi_softc *); void mpi_push_replies(struct mpi_softc *); void mpi_start(struct mpi_softc *, struct mpi_ccb *); int mpi_complete(struct mpi_softc *, struct mpi_ccb *, int); int mpi_poll(struct mpi_softc *, struct mpi_ccb *, int); void mpi_run_ppr(struct mpi_softc *); int mpi_ppr(struct mpi_softc *, struct scsi_link *, int, int, int); void mpi_timeout_xs(void *); int mpi_load_xs(struct mpi_ccb *); u_int32_t mpi_read(struct mpi_softc *, bus_size_t); void mpi_write(struct mpi_softc *, bus_size_t, u_int32_t); int mpi_wait_eq(struct mpi_softc *, bus_size_t, u_int32_t, u_int32_t); int mpi_wait_ne(struct mpi_softc *, bus_size_t, u_int32_t, u_int32_t); int mpi_init(struct mpi_softc *); int mpi_reset_soft(struct mpi_softc *); int mpi_reset_hard(struct mpi_softc *); int mpi_handshake_send(struct mpi_softc *, void *, size_t); int mpi_handshake_recv_dword(struct mpi_softc *, u_int32_t *); int mpi_handshake_recv(struct mpi_softc *, void *, size_t); void mpi_empty_done(struct mpi_ccb *); int mpi_iocinit(struct mpi_softc *); int mpi_iocfacts(struct mpi_softc *); int mpi_portfacts(struct mpi_softc *); int mpi_eventnotify(struct mpi_softc *); void mpi_eventnotify_done(struct mpi_ccb *); int mpi_portenable(struct mpi_softc *); int mpi_cfg_header(struct mpi_softc *, u_int8_t, u_int8_t, u_int32_t, struct mpi_cfg_hdr *); int mpi_cfg_page(struct mpi_softc *, u_int32_t, struct mpi_cfg_hdr *, int, void *, size_t); #define DEVNAME(s) ((s)->sc_dev.dv_xname) #define dwordsof(s) (sizeof(s) / sizeof(u_int32_t)) #define sizeofa(s) (sizeof(s) / sizeof((s)[0])) #define mpi_read_db(s) mpi_read((s), MPI_DOORBELL) #define mpi_write_db(s, v) mpi_write((s), MPI_DOORBELL, (v)) #define mpi_read_intr(s) mpi_read((s), MPI_INTR_STATUS) #define mpi_write_intr(s, v) mpi_write((s), MPI_INTR_STATUS, (v)) #define mpi_pop_reply(s) mpi_read((s), MPI_REPLY_QUEUE) #define mpi_push_reply(s, v) mpi_write((s), MPI_REPLY_QUEUE, (v)) #define mpi_wait_db_int(s) mpi_wait_ne((s), MPI_INTR_STATUS, \ MPI_INTR_STATUS_DOORBELL, 0) #define mpi_wait_db_ack(s) mpi_wait_eq((s), MPI_INTR_STATUS, \ MPI_INTR_STATUS_IOCDOORBELL, 0) int mpi_attach(struct mpi_softc *sc) { struct mpi_ccb *ccb; printf("\n"); /* disable interrupts */ mpi_write(sc, MPI_INTR_MASK, MPI_INTR_MASK_REPLY | MPI_INTR_MASK_DOORBELL); if (mpi_init(sc) != 0) { printf("%s: unable to initialise\n", DEVNAME(sc)); return (1); } if (mpi_iocfacts(sc) != 0) { printf("%s: unable to get iocfacts\n", DEVNAME(sc)); return (1); } if (mpi_alloc_ccbs(sc) != 0) { /* error already printed */ return (1); } if (mpi_alloc_replies(sc) != 0) { printf("%s: unable to allocate reply space\n", DEVNAME(sc)); goto free_ccbs; } if (mpi_iocinit(sc) != 0) { printf("%s: unable to send iocinit\n", DEVNAME(sc)); goto free_ccbs; } /* spin until we're operational */ if (mpi_wait_eq(sc, MPI_DOORBELL, MPI_DOORBELL_STATE, MPI_DOORBELL_STATE_OPER) != 0) { printf("%s: state: 0x%08x\n", DEVNAME(sc), mpi_read_db(sc) & MPI_DOORBELL_STATE); printf("%s: operational state timeout\n", DEVNAME(sc)); goto free_ccbs; } mpi_push_replies(sc); if (mpi_portfacts(sc) != 0) { printf("%s: unable to get portfacts\n", DEVNAME(sc)); goto free_replies; } #if notyet if (mpi_eventnotify(sc) != 0) { printf("%s: unable to get portfacts\n", DEVNAME(sc)); goto free_replies; } #endif if (mpi_portenable(sc) != 0) { printf("%s: unable to enable port\n", DEVNAME(sc)); goto free_replies; } /* we should be good to go now, attach scsibus */ sc->sc_link.device = &mpi_dev; sc->sc_link.adapter = &mpi_switch; sc->sc_link.adapter_softc = sc; sc->sc_link.adapter_target = sc->sc_target; sc->sc_link.adapter_buswidth = sc->sc_buswidth; sc->sc_link.openings = sc->sc_maxcmds / sc->sc_buswidth; config_found(&sc->sc_dev, &sc->sc_link, scsiprint); /* do domain validation */ if (sc->sc_porttype == MPI_PORTFACTS_PORTTYPE_SCSI) mpi_run_ppr(sc); /* XXX enable interrupts */ mpi_write(sc, MPI_INTR_MASK, MPI_INTR_MASK_DOORBELL); return (0); free_replies: bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_replies), 0, PAGE_SIZE, BUS_DMASYNC_POSTREAD); mpi_dmamem_free(sc, sc->sc_replies); free_ccbs: while ((ccb = mpi_get_ccb(sc)) != NULL) bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); mpi_dmamem_free(sc, sc->sc_requests); free(sc->sc_ccbs, M_DEVBUF); return(1); } void mpi_run_ppr(struct mpi_softc *sc) { struct mpi_cfg_hdr hdr; struct mpi_cfg_spi_port_pg0 pg; int period, offset; struct device *dev; struct scsibus_softc *ssc; struct scsi_link *link; int i, tries; if (mpi_cfg_header(sc, MPI_CONFIG_REQ_PAGE_TYPE_SCSI_SPI_PORT, 0, 0x0, &hdr) != 0) { DNPRINTF(MPI_D_PPR, "%s: mpi_run_ppr unable to fetch header\n", DEVNAME(sc)); return; } if (mpi_cfg_page(sc, 0x0, &hdr, 1, &pg, sizeof(pg)) != 0) { DNPRINTF(MPI_D_PPR, "%s: mpi_run_ppr unable to fetch page\n", DEVNAME(sc)); return; } period = MPI_CFG_SPI_PORT_0_CAPABILITIES_MIN_PERIOD( letoh32(pg.capabilities)); offset = MPI_CFG_SPI_PORT_0_CAPABILITIES_MAX_OFFSET( letoh32(pg.capabilities)); TAILQ_FOREACH(dev, &alldevs, dv_list) { if (dev->dv_parent == &sc->sc_dev) break; } /* im too nice to punish idiots who don't configure scsibus */ if (dev == NULL) return; ssc = (struct scsibus_softc *)dev; for (i = 0; i < sc->sc_link.adapter_buswidth; i++) { link = ssc->sc_link[i][0]; tries = 0; if (link == NULL) continue; while (mpi_ppr(sc, link, period, offset, tries) == EAGAIN) tries++; } } int mpi_ppr(struct mpi_softc *sc, struct scsi_link *link, int period, int offset, int try) { struct mpi_cfg_hdr hdr0, hdr1; struct mpi_cfg_spi_dev_pg0 pg0; struct mpi_cfg_spi_dev_pg1 pg1; struct scsi_inquiry_data inqbuf; u_int32_t address; u_int32_t params; DNPRINTF(MPI_D_PPR, "%s: mpi_ppr sc: %p link: %p period: %d " "offset: %d try: %d\n", DEVNAME(sc), sc, link, period, offset, try); if (try >= 3) return (EIO); if ((link->inqdata.device & SID_TYPE) == T_PROCESSOR) return (EIO); address = link->target; if (mpi_cfg_header(sc, MPI_CONFIG_REQ_PAGE_TYPE_SCSI_SPI_DEV, 0, address, &hdr0) != 0) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr unable to fetch header 0\n", DEVNAME(sc)); return (EIO); } if (mpi_cfg_header(sc, MPI_CONFIG_REQ_PAGE_TYPE_SCSI_SPI_DEV, 1, address, &hdr1) != 0) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr unable to fetch header 1\n", DEVNAME(sc)); return (EIO); } if (mpi_cfg_page(sc, address, &hdr0, 1, &pg0, sizeof(pg0)) != 0) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr unable to fetch page 0\n", DEVNAME(sc)); return (EIO); } DNPRINTF(MPI_D_PPR, "%s: mpi_ppr neg_params: 0x%08x info: 0x%08x\n", DEVNAME(sc), letoh32(pg0.neg_params), letoh32(pg0.information)); if (mpi_cfg_page(sc, address, &hdr1, 1, &pg1, sizeof(pg1)) != 0) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr unable to fetch page 1\n", DEVNAME(sc)); return (EIO); } DNPRINTF(MPI_D_PPR, "%s: mpi_ppr pg 1 req_params: 0x%08x conf: " "0x%08x\n", DEVNAME(sc), letoh32(pg1.req_params), letoh32(pg1.configuration)); params = letoh32(pg1.req_params); params &= ~(MPI_CFG_SPI_DEV_1_REQPARAMS_WIDTH | MPI_CFG_SPI_DEV_1_REQPARAMS_XFER_PERIOD_MASK | MPI_CFG_SPI_DEV_1_REQPARAMS_XFER_OFFSET_MASK | MPI_CFG_SPI_DEV_1_REQPARAMS_DUALXFERS | MPI_CFG_SPI_DEV_1_REQPARAMS_QAS | MPI_CFG_SPI_DEV_1_REQPARAMS_PACKETIZED); if (!(link->quirks & SDEV_NOSYNC)) { params |= MPI_CFG_SPI_DEV_1_REQPARAMS_WIDTH_WIDE; switch (try) { case 0: /* U320 */ break; case 1: /* U160 */ period = 0x09; break; case 2: /* U80 */ period = 0x0a; break; } if (period < 0x09) { /* Ultra320: enable QAS & PACKETIZED */ params |= MPI_CFG_SPI_DEV_1_REQPARAMS_QAS | MPI_CFG_SPI_DEV_1_REQPARAMS_PACKETIZED; } if (period < 0xa) { /* >= Ultra160: enable dual xfers */ params |= MPI_CFG_SPI_DEV_1_REQPARAMS_DUALXFERS; } pg1.req_params = htole32(params | MPI_CFG_SPI_DEV_1_REQPARAMS_XFER_PERIOD(period) | MPI_CFG_SPI_DEV_1_REQPARAMS_XFER_OFFSET(offset)); } DNPRINTF(MPI_D_PPR, "%s: mpi_ppr pg 1 req_params: 0x%08x conf: " "0x%08x period: %0x address: %d\n", DEVNAME(sc), letoh32(pg1.req_params), letoh32(pg1.configuration), period, address); if (mpi_cfg_page(sc, address, &hdr1, 0, &pg1, sizeof(pg1)) != 0) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr unable to write page 1\n", DEVNAME(sc)); return (EIO); } if (mpi_cfg_page(sc, address, &hdr1, 1, &pg1, sizeof(pg1)) != 0) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr unable to read page 1\n", DEVNAME(sc)); return (EIO); } DNPRINTF(MPI_D_PPR, "%s: mpi_ppr pg 1 readback req_params: 0x%08x " "conf: 0x%08x\n", DEVNAME(sc), letoh32(pg1.req_params), letoh32(pg1.configuration)); if (scsi_inquire(link, &inqbuf, SCSI_POLL) != 0) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr unable to do inquiry against " "target %d\n", DEVNAME(sc), link->target); return (EIO); } if (mpi_cfg_page(sc, address, &hdr0, 1, &pg0, sizeof(pg0)) != 0) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr unable to read page 0 after " "inquiry\n", DEVNAME(sc)); return (EIO); } DNPRINTF(MPI_D_PPR, "%s: mpi_ppr neg_params: 0x%08x info: 0x%08x " "try: %d\n", DEVNAME(sc), letoh32(pg0.neg_params), letoh32(pg0.information), try); if (!(letoh32(pg0.information) & 0x07) && (try == 0)) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr U320 ppr rejected\n", DEVNAME(sc)); return (EAGAIN); } if ((((letoh32(pg0.information) >> 8) & 0xff) > 0x09) && (try == 1)) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr U160 ppr rejected\n", DEVNAME(sc)); return (EAGAIN); } if (letoh32(pg0.information) & 0x0e) { DNPRINTF(MPI_D_PPR, "%s: mpi_ppr ppr rejected: %0x\n", DEVNAME(sc), letoh32(pg0.information)); return (EAGAIN); } params = letoh32(pg0.neg_params); DNPRINTF(MPI_D_PPR, "%s: mpi_ppr params %08x\n", DEVNAME(sc), params); switch(MPI_CFG_SPI_DEV_0_NEGPARAMS_XFER_PERIOD(params)) { case 0x08: period = 160; break; case 0x09: period = 80; break; case 0x0a: period = 40; break; case 0x0b: period = 20; break; case 0x0c: period = 10; break; default: period = 0; break; } printf("%s: target %d %s at %dMHz width %dbit offset %d " "QAS %d DT %d IU %d\n", DEVNAME(sc), link->target, period ? "Sync" : "Async", period, (params & MPI_CFG_SPI_DEV_0_NEGPARAMS_WIDTH_WIDE) ? 16 : 8, MPI_CFG_SPI_DEV_0_NEGPARAMS_XFER_OFFSET(params), (params & MPI_CFG_SPI_DEV_0_NEGPARAMS_QAS) ? 1 : 0, (params & MPI_CFG_SPI_DEV_0_NEGPARAMS_DUALXFERS) ? 1 : 0, (params & MPI_CFG_SPI_DEV_0_NEGPARAMS_PACKETIZED) ? 1 : 0); return (0); } void mpi_detach(struct mpi_softc *sc) { } int mpi_intr(void *arg) { struct mpi_softc *sc = arg; struct mpi_ccb *ccb; struct mpi_msg_reply *reply; u_int32_t reply_dva; char *reply_addr; u_int32_t reg, id; int rv = 0; while ((reg = mpi_pop_reply(sc)) != 0xffffffff) { DNPRINTF(MPI_D_INTR, "%s: mpi_intr reply_queue: 0x%08x\n", DEVNAME(sc), reg); if (reg & MPI_REPLY_QUEUE_ADDRESS) { bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_replies), 0, PAGE_SIZE, BUS_DMASYNC_POSTREAD); reply_dva = (reg & MPI_REPLY_QUEUE_ADDRESS_MASK) << 1; reply_addr = MPI_DMA_KVA(sc->sc_replies); reply_addr += reply_dva - (u_int32_t)MPI_DMA_DVA(sc->sc_replies); reply = (struct mpi_msg_reply *)reply_addr; id = letoh32(reply->msg_context); bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_replies), 0, PAGE_SIZE, BUS_DMASYNC_PREREAD); } else { switch (reg & MPI_REPLY_QUEUE_TYPE_MASK) { case MPI_REPLY_QUEUE_TYPE_INIT: id = reg & MPI_REPLY_QUEUE_CONTEXT; break; default: panic("%s: unsupported context reply\n", DEVNAME(sc)); } reply = NULL; } DNPRINTF(MPI_D_INTR, "%s: mpi_intr id: %d\n", DEVNAME(sc), id); ccb = &sc->sc_ccbs[id]; bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_requests), ccb->ccb_offset, MPI_REQUEST_SIZE, BUS_DMASYNC_POSTWRITE); ccb->ccb_state = MPI_CCB_READY; ccb->ccb_reply = reply; ccb->ccb_reply_dva = reply_dva; ccb->ccb_done(ccb); rv = 1; } return (rv); } struct mpi_dmamem * mpi_dmamem_alloc(struct mpi_softc *sc, size_t size) { struct mpi_dmamem *mdm; int nsegs; mdm = malloc(sizeof(struct mpi_dmamem), M_DEVBUF, M_NOWAIT); if (mdm == NULL) return (NULL); bzero(mdm, sizeof(struct mpi_dmamem)); mdm->mdm_size = size; if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0, BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &mdm->mdm_map) != 0) goto mdmfree; if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &mdm->mdm_seg, 1, &nsegs, BUS_DMA_NOWAIT) != 0) goto destroy; if (bus_dmamem_map(sc->sc_dmat, &mdm->mdm_seg, nsegs, size, &mdm->mdm_kva, BUS_DMA_NOWAIT) != 0) goto free; if (bus_dmamap_load(sc->sc_dmat, mdm->mdm_map, mdm->mdm_kva, size, NULL, BUS_DMA_NOWAIT) != 0) goto unmap; bzero(mdm->mdm_kva, size); DNPRINTF(MPI_D_MEM, "%s: mpi_dmamem_alloc size: %d mdm: %#x " "map: %#x nsegs: %d segs: %#x kva: %x\n", DEVNAME(sc), size, mdm->mdm_map, nsegs, mdm->mdm_seg, mdm->mdm_kva); return (mdm); unmap: bus_dmamem_unmap(sc->sc_dmat, mdm->mdm_kva, size); free: bus_dmamem_free(sc->sc_dmat, &mdm->mdm_seg, 1); destroy: bus_dmamap_destroy(sc->sc_dmat, mdm->mdm_map); mdmfree: free(mdm, M_DEVBUF); return (NULL); } void mpi_dmamem_free(struct mpi_softc *sc, struct mpi_dmamem *mdm) { DNPRINTF(MPI_D_MEM, "%s: mpi_dmamem_free %#x\n", DEVNAME(sc), mdm); bus_dmamap_unload(sc->sc_dmat, mdm->mdm_map); bus_dmamem_unmap(sc->sc_dmat, mdm->mdm_kva, mdm->mdm_size); bus_dmamem_free(sc->sc_dmat, &mdm->mdm_seg, 1); bus_dmamap_destroy(sc->sc_dmat, mdm->mdm_map); free(mdm, M_DEVBUF); } int mpi_alloc_ccbs(struct mpi_softc *sc) { struct mpi_ccb *ccb; u_int8_t *cmd; int i; TAILQ_INIT(&sc->sc_ccb_free); sc->sc_ccbs = malloc(sizeof(struct mpi_ccb) * sc->sc_maxcmds, M_DEVBUF, M_WAITOK); if (sc->sc_ccbs == NULL) { printf("%s: unable to allocate ccbs\n", DEVNAME(sc)); return (1); } bzero(sc->sc_ccbs, sizeof(struct mpi_ccb) * sc->sc_maxcmds); sc->sc_requests = mpi_dmamem_alloc(sc, MPI_REQUEST_SIZE * sc->sc_maxcmds); if (sc->sc_requests == NULL) { printf("%s: unable to allocate ccb dmamem\n", DEVNAME(sc)); goto free_ccbs; } cmd = MPI_DMA_KVA(sc->sc_requests); bzero(cmd, MPI_REQUEST_SIZE * sc->sc_maxcmds); for (i = 0; i < sc->sc_maxcmds; i++) { ccb = &sc->sc_ccbs[i]; if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, sc->sc_max_sgl_len, MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) { printf("%s: unable to create dma map\n", DEVNAME(sc)); goto free_maps; } ccb->ccb_sc = sc; ccb->ccb_id = i; ccb->ccb_offset = MPI_REQUEST_SIZE * i; ccb->ccb_cmd = &cmd[ccb->ccb_offset]; ccb->ccb_cmd_dva = (u_int32_t)MPI_DMA_DVA(sc->sc_requests) + ccb->ccb_offset; DNPRINTF(MPI_D_CCB, "%s: mpi_alloc_ccbs(%d) ccb: %#x map: %#x " "sc: %#x id: %#x offs: %#x cmd: %#x dva: %#x\n", DEVNAME(sc), i, ccb, ccb->ccb_dmamap, ccb->ccb_sc, ccb->ccb_id, ccb->ccb_offset, ccb->ccb_cmd, ccb->ccb_cmd_dva); mpi_put_ccb(sc, ccb); } return (0); free_maps: while ((ccb = mpi_get_ccb(sc)) != NULL) bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap); mpi_dmamem_free(sc, sc->sc_requests); free_ccbs: free(sc->sc_ccbs, M_DEVBUF); return (1); } struct mpi_ccb * mpi_get_ccb(struct mpi_softc *sc) { struct mpi_ccb *ccb; ccb = TAILQ_FIRST(&sc->sc_ccb_free); if (ccb == NULL) { DNPRINTF(MPI_D_CCB, "%s: mpi_get_ccb == NULL\n", DEVNAME(sc)); return (NULL); } TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link); ccb->ccb_state = MPI_CCB_READY; DNPRINTF(MPI_D_CCB, "%s: mpi_get_ccb %#x\n", DEVNAME(sc), ccb); return (ccb); } void mpi_put_ccb(struct mpi_softc *sc, struct mpi_ccb *ccb) { DNPRINTF(MPI_D_CCB, "%s: mpi_put_ccb %#x\n", DEVNAME(sc), ccb); ccb->ccb_state = MPI_CCB_FREE; ccb->ccb_xs = NULL; ccb->ccb_done = NULL; bzero(ccb->ccb_cmd, MPI_REQUEST_SIZE); TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link); } int mpi_alloc_replies(struct mpi_softc *sc) { DNPRINTF(MPI_D_MISC, "%s: mpi_alloc_replies\n", DEVNAME(sc)); sc->sc_replies = mpi_dmamem_alloc(sc, PAGE_SIZE); if (sc->sc_replies == NULL) return (1); return (0); } void mpi_push_replies(struct mpi_softc *sc) { paddr_t reply; int i; bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_replies), 0, PAGE_SIZE, BUS_DMASYNC_PREREAD); for (i = 0; i < PAGE_SIZE / MPI_REPLY_SIZE; i++) { reply = (u_int32_t)MPI_DMA_DVA(sc->sc_replies) + MPI_REPLY_SIZE * i; DNPRINTF(MPI_D_MEM, "%s: mpi_push_replies %#x\n", DEVNAME(sc), reply); mpi_push_reply(sc, reply); } } void mpi_start(struct mpi_softc *sc, struct mpi_ccb *ccb) { DNPRINTF(MPI_D_RW, "%s: mpi_start %#x\n", DEVNAME(sc), ccb->ccb_cmd_dva); bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_requests), ccb->ccb_offset, MPI_REQUEST_SIZE, BUS_DMASYNC_PREWRITE); ccb->ccb_state = MPI_CCB_QUEUED; mpi_write(sc, MPI_REQ_QUEUE, ccb->ccb_cmd_dva); } int mpi_complete(struct mpi_softc *sc, struct mpi_ccb *nccb, int timeout) { struct mpi_ccb *ccb; struct mpi_msg_reply *reply; u_int32_t reply_dva; char *reply_addr; u_int32_t reg, id = 0xffffffff; DNPRINTF(MPI_D_INTR, "%s: mpi_complete timeout %d\n", DEVNAME(sc), timeout); do { reg = mpi_pop_reply(sc); if (reg == 0xffffffff) { if (timeout-- == 0) return (1); delay(1000); continue; } DNPRINTF(MPI_D_INTR, "%s: mpi_complete reply_queue: 0x%08x\n", DEVNAME(sc), reg); if (reg & MPI_REPLY_QUEUE_ADDRESS) { bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_replies), 0, PAGE_SIZE, BUS_DMASYNC_POSTREAD); reply_dva = (reg & MPI_REPLY_QUEUE_ADDRESS_MASK) << 1; reply_addr = MPI_DMA_KVA(sc->sc_replies); reply_addr += reply_dva - (u_int32_t)MPI_DMA_DVA(sc->sc_replies); reply = (struct mpi_msg_reply *)reply_addr; id = letoh32(reply->msg_context); bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_replies), 0, PAGE_SIZE, BUS_DMASYNC_PREREAD); } else { switch (reg & MPI_REPLY_QUEUE_TYPE_MASK) { case MPI_REPLY_QUEUE_TYPE_INIT: id = reg & MPI_REPLY_QUEUE_CONTEXT; break; default: panic("%s: unsupported context reply\n", DEVNAME(sc)); } reply = NULL; } DNPRINTF(MPI_D_INTR, "%s: mpi_complete id: %d\n", DEVNAME(sc), id); ccb = &sc->sc_ccbs[id]; bus_dmamap_sync(sc->sc_dmat, MPI_DMA_MAP(sc->sc_requests), ccb->ccb_offset, MPI_REQUEST_SIZE, BUS_DMASYNC_POSTWRITE); ccb->ccb_state = MPI_CCB_READY; ccb->ccb_reply = reply; ccb->ccb_reply_dva = reply_dva; ccb->ccb_done(ccb); } while (nccb->ccb_id != id); return (0); } int mpi_poll(struct mpi_softc *sc, struct mpi_ccb *ccb, int timeout) { int error; int s; DNPRINTF(MPI_D_CMD, "%s: mpi_poll\n", DEVNAME(sc)); s = splbio(); mpi_start(sc, ccb); error = mpi_complete(sc, ccb, timeout); splx(s); return (error); } int mpi_scsi_cmd(struct scsi_xfer *xs) { struct scsi_link *link = xs->sc_link; struct mpi_softc *sc = link->adapter_softc; struct mpi_ccb *ccb; struct mpi_ccb_bundle *mcb; struct mpi_msg_scsi_io *io; int s; DNPRINTF(MPI_D_CMD, "%s: mpi_scsi_cmd\n", DEVNAME(sc)); if (xs->cmdlen > MPI_CDB_LEN) { DNPRINTF(MPI_D_CMD, "%s: CBD too big %d\n", DEVNAME(sc), xs->cmdlen); bzero(&xs->sense, sizeof(xs->sense)); xs->sense.error_code = SSD_ERRCODE_VALID | 0x70; xs->sense.flags = SKEY_ILLEGAL_REQUEST; xs->sense.add_sense_code = 0x20; xs->error = XS_SENSE; scsi_done(xs); return (COMPLETE); } s = splbio(); ccb = mpi_get_ccb(sc); splx(s); if (ccb == NULL) { xs->error = XS_DRIVER_STUFFUP; scsi_done(xs); return (COMPLETE); } DNPRINTF(MPI_D_CMD, "%s: ccb_id: %d xs->flags: 0x%x\n", DEVNAME(sc), ccb->ccb_id, xs->flags); ccb->ccb_xs = xs; ccb->ccb_done = mpi_scsi_cmd_done; mcb = ccb->ccb_cmd; io = &mcb->mcb_io; io->function = MPI_FUNCTION_SCSI_IO_REQUEST; /* * bus is always 0 * io->bus = htole16(sc->sc_bus); */ io->target_id = link->target; io->cdb_length = xs->cmdlen; io->sense_buf_len = sizeof(xs->sense); io->msg_flags = MPI_SCSIIO_SENSE_BUF_ADDR_WIDTH_64; io->msg_context = htole32(ccb->ccb_id); io->lun[0] = htobe16(link->lun); switch (xs->flags & (SCSI_DATA_IN | SCSI_DATA_OUT)) { case SCSI_DATA_IN: io->control = htole32(MPI_SCSIIO_DATA_DIR_READ); break; case SCSI_DATA_OUT: io->control = htole32(MPI_SCSIIO_DATA_DIR_WRITE); break; default: io->control = htole32(MPI_SCSIIO_DATA_DIR_NONE); break; } bcopy(xs->cmd, io->cdb, xs->cmdlen); io->data_length = htole32(xs->datalen); io->sense_buf_low_addr = htole32(ccb->ccb_cmd_dva + ((u_int8_t *)&mcb->mcb_sense - (u_int8_t *)mcb)); if (mpi_load_xs(ccb) != 0) { s = splbio(); mpi_put_ccb(sc, ccb); splx(s); xs->error = XS_DRIVER_STUFFUP; scsi_done(xs); return (COMPLETE); } timeout_set(&xs->stimeout, mpi_timeout_xs, ccb); if (xs->flags & SCSI_POLL) { if (mpi_poll(sc, ccb, xs->timeout) != 0) xs->error = XS_DRIVER_STUFFUP; return (COMPLETE); } mpi_start(sc, ccb); return (SUCCESSFULLY_QUEUED); } void mpi_scsi_cmd_done(struct mpi_ccb *ccb) { struct mpi_softc *sc = ccb->ccb_sc; struct scsi_xfer *xs = ccb->ccb_xs; struct mpi_ccb_bundle *mcb = ccb->ccb_cmd; bus_dmamap_t dmap = ccb->ccb_dmamap; struct mpi_msg_scsi_io_error *sie = ccb->ccb_reply; if (xs->datalen != 0) { bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, (xs->flags & SCSI_DATA_IN) ? BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE); bus_dmamap_unload(sc->sc_dmat, dmap); } /* timeout_del */ xs->error = XS_NOERROR; xs->resid = 0; xs->flags |= ITSDONE; DNPRINTF(MPI_D_CMD, "%s: xs cmd: 0x%02x len: %d error: 0x%02x " "flags 0x%x\n", DEVNAME(sc), xs->cmd->opcode, xs->datalen, xs->error, xs->flags); if (sie == NULL) { /* no scsi error, we're ok so drop out early */ xs->status = SCSI_OK; mpi_put_ccb(sc, ccb); scsi_done(xs); return; } DNPRINTF(MPI_D_CMD, "%s: target_id: %d bus: %d msg_length: %d " "function: 0x%02x\n", DEVNAME(sc), sie->target_id, sie->bus, sie->msg_length, sie->function); DNPRINTF(MPI_D_CMD, "%s: cdb_length: %d sense_buf_length: %d " "msg_flags: 0x%02x\n", DEVNAME(sc), sie->cdb_length, sie->bus, sie->msg_flags); DNPRINTF(MPI_D_CMD, "%s: msg_context: 0x%08x\n", DEVNAME(sc), letoh32(sie->msg_context)); DNPRINTF(MPI_D_CMD, "%s: scsi_status: 0x%02x scsi_state: 0x%02x " "ioc_status: 0x%04x\n", DEVNAME(sc), sie->scsi_status, sie->scsi_state, letoh16(sie->ioc_status)); DNPRINTF(MPI_D_CMD, "%s: ioc_loginfo: 0x%08x\n", DEVNAME(sc), letoh32(sie->ioc_loginfo)); DNPRINTF(MPI_D_CMD, "%s: transfer_count: %d\n", DEVNAME(sc), letoh32(sie->transfer_count)); DNPRINTF(MPI_D_CMD, "%s: sense_count: %d\n", DEVNAME(sc), letoh32(sie->sense_count)); DNPRINTF(MPI_D_CMD, "%s: response_info: 0x%08x\n", DEVNAME(sc), letoh32(sie->response_info)); DNPRINTF(MPI_D_CMD, "%s: tag: 0x%04x\n", DEVNAME(sc), letoh16(sie->tag)); xs->status = sie->scsi_status; switch (letoh16(sie->ioc_status)) { case MPI_IOCSTATUS_SCSI_DATA_OVERRUN: xs->error = XS_DRIVER_STUFFUP; break; case MPI_IOCSTATUS_SCSI_DATA_UNDERRUN: /* * Yikes! Tagged queue full comes through this path! * * So we'll change it to a status error and anything * that returns status should probably be a status * error as well. */ xs->resid = xs->datalen - letoh32(sie->transfer_count); if (sie->scsi_state & MPI_SCSIIO_ERR_STATE_NO_SCSI_STATUS) { xs->error = XS_DRIVER_STUFFUP; break; } /* FALLTHROUGH */ case MPI_IOCSTATUS_SUCCESS: case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR: switch (xs->status) { case SCSI_OK: xs->resid = 0; break; case SCSI_CHECK: xs->error = XS_SENSE; break; case SCSI_BUSY: xs->error = XS_BUSY; break; case SCSI_QUEUE_FULL: xs->error = XS_TIMEOUT; xs->retries++; break; default: printf("%s: invalid status code %d\n", xs->status); xs->error = XS_DRIVER_STUFFUP; break; } break; case MPI_IOCSTATUS_BUSY: case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES: xs->error = XS_BUSY; break; case MPI_IOCSTATUS_SCSI_INVALID_BUS: case MPI_IOCSTATUS_SCSI_INVALID_TARGETID: case MPI_IOCSTATUS_SCSI_DEVICE_NOT_THERE: xs->error = XS_SELTIMEOUT; break; case MPI_IOCSTATUS_SCSI_RESIDUAL_MISMATCH: xs->error = XS_DRIVER_STUFFUP; break; case MPI_IOCSTATUS_SCSI_TASK_TERMINATED: xs->error = XS_DRIVER_STUFFUP; break; case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED: /* XXX */ xs->error = XS_DRIVER_STUFFUP; break; case MPI_IOCSTATUS_SCSI_IOC_TERMINATED: /* XXX */ xs->error = XS_DRIVER_STUFFUP; break; case MPI_IOCSTATUS_SCSI_EXT_TERMINATED: /* XXX This is a bus-reset */ xs->error = XS_DRIVER_STUFFUP; break; default: /* XXX unrecognized HBA error */ xs->error = XS_DRIVER_STUFFUP; break; } if (sie->scsi_state & MPI_SCSIIO_ERR_STATE_AUTOSENSE_VALID) bcopy(&mcb->mcb_sense, &xs->sense, sizeof(xs->sense)); else if (sie->scsi_state & MPI_SCSIIO_ERR_STATE_AUTOSENSE_FAILED) { /* This will cause the scsi layer to issue a REQUEST SENSE */ if (xs->status == SCSI_CHECK) xs->error = XS_BUSY; } DNPRINTF(MPI_D_CMD, "%s: xs error: 0x%02x len: %d\n", DEVNAME(sc), xs->error, xs->status); mpi_push_reply(sc, ccb->ccb_reply_dva); mpi_put_ccb(sc, ccb); scsi_done(xs); } void mpi_timeout_xs(void *arg) { /* XXX */ } int mpi_load_xs(struct mpi_ccb *ccb) { struct mpi_softc *sc = ccb->ccb_sc; struct scsi_xfer *xs = ccb->ccb_xs; struct mpi_ccb_bundle *mcb = ccb->ccb_cmd; struct mpi_msg_scsi_io *io = &mcb->mcb_io; struct mpi_sge *sge, *nsge = &mcb->mcb_sgl[0]; struct mpi_sge *ce = NULL, *nce; u_int64_t ce_dva; bus_dmamap_t dmap = ccb->ccb_dmamap; u_int32_t addr, flags; int i, error; if (xs->datalen == 0) { nsge->sg_hdr = htole32(MPI_SGE_FL_TYPE_SIMPLE | MPI_SGE_FL_LAST | MPI_SGE_FL_EOB | MPI_SGE_FL_EOL); return (0); } error = bus_dmamap_load(sc->sc_dmat, dmap, xs->data, xs->datalen, NULL, (xs->flags & SCSI_NOSLEEP) ? BUS_DMA_NOWAIT : BUS_DMA_WAITOK); if (error) { printf("%s: error %d loading dmamap\n", DEVNAME(sc), error); return (1); } flags = MPI_SGE_FL_TYPE_SIMPLE | MPI_SGE_FL_SIZE_64; if (xs->flags & SCSI_DATA_OUT) flags |= MPI_SGE_FL_DIR_OUT; if (dmap->dm_nsegs > sc->sc_first_sgl_len) { ce = &mcb->mcb_sgl[sc->sc_first_sgl_len - 1]; io->chain_offset = ((u_int8_t *)ce - (u_int8_t *)io) / 4; } for (i = 0; i < dmap->dm_nsegs; i++) { if (nsge == ce) { nsge++; sge->sg_hdr |= htole32(MPI_SGE_FL_LAST); DNPRINTF(MPI_D_DMA, "%s: - 0x%08x 0x%08x 0x%08x\n", DEVNAME(sc), sge->sg_hdr, sge->sg_hi_addr, sge->sg_lo_addr); if ((dmap->dm_nsegs - i) > sc->sc_maxchdepth) { nce = &nsge[sc->sc_maxchdepth - 1]; addr = ((u_int8_t *)nce - (u_int8_t *)ce) / 4; addr = addr << 16 | sizeof(struct mpi_sge) * sc->sc_maxchdepth; } else { nce = NULL; addr = sizeof(struct mpi_sge) * (dmap->dm_nsegs - i); } ce->sg_hdr = htole32(MPI_SGE_FL_TYPE_CHAIN | MPI_SGE_FL_SIZE_64 | addr); ce_dva = MPI_DMA_DVA(sc->sc_requests) + ccb->ccb_offset; ce_dva += (u_int8_t *)nsge - (u_int8_t *)mcb; addr = (u_int32_t)(ce_dva >> 32); ce->sg_hi_addr = htole32(addr); addr = (u_int32_t)ce_dva; ce->sg_lo_addr = htole32(addr); DNPRINTF(MPI_D_DMA, "%s: ce: 0x%08x 0x%08x 0x%08x\n", DEVNAME(sc), ce->sg_hdr, ce->sg_hi_addr, ce->sg_lo_addr); ce = nce; } DNPRINTF(MPI_D_DMA, "%s: %d: %d 0x%016llx\n", DEVNAME(sc), i, dmap->dm_segs[i].ds_len, (u_int64_t)dmap->dm_segs[i].ds_addr); sge = nsge; sge->sg_hdr = htole32(flags | dmap->dm_segs[i].ds_len); addr = (u_int32_t)((u_int64_t)dmap->dm_segs[i].ds_addr >> 32); sge->sg_hi_addr = htole32(addr); addr = (u_int32_t)dmap->dm_segs[i].ds_addr; sge->sg_lo_addr = htole32(addr); DNPRINTF(MPI_D_DMA, "%s: %d: 0x%08x 0x%08x 0x%08x\n", DEVNAME(sc), i, sge->sg_hdr, sge->sg_hi_addr, sge->sg_lo_addr); nsge = sge + 1; } /* terminate list */ sge->sg_hdr |= htole32(MPI_SGE_FL_LAST | MPI_SGE_FL_EOB | MPI_SGE_FL_EOL); bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize, (xs->flags & SCSI_DATA_IN) ? BUS_DMASYNC_PREREAD : BUS_DMASYNC_PREWRITE); return (0); } void mpi_minphys(struct buf *bp) { /* XXX */ if (bp->b_bcount > MAXPHYS) bp->b_bcount = MAXPHYS; minphys(bp); } int mpi_scsi_ioctl(struct scsi_link *a, u_long b, caddr_t c, int d, struct proc *e) { return (0); } u_int32_t mpi_read(struct mpi_softc *sc, bus_size_t r) { u_int32_t rv; bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, BUS_SPACE_BARRIER_READ); rv = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r); DNPRINTF(MPI_D_RW, "%s: mpi_read %#x %#x\n", DEVNAME(sc), r, rv); return (rv); } void mpi_write(struct mpi_softc *sc, bus_size_t r, u_int32_t v) { DNPRINTF(MPI_D_RW, "%s: mpi_write %#x %#x\n", DEVNAME(sc), r, v); bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v); bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4, BUS_SPACE_BARRIER_WRITE); } int mpi_wait_eq(struct mpi_softc *sc, bus_size_t r, u_int32_t mask, u_int32_t target) { int i; DNPRINTF(MPI_D_RW, "%s: mpi_wait_eq %#x %#x %#x\n", DEVNAME(sc), r, mask, target); for (i = 0; i < 10000; i++) { if ((mpi_read(sc, r) & mask) == target) return (0); delay(1000); } return (1); } int mpi_wait_ne(struct mpi_softc *sc, bus_size_t r, u_int32_t mask, u_int32_t target) { int i; DNPRINTF(MPI_D_RW, "%s: mpi_wait_ne %#x %#x %#x\n", DEVNAME(sc), r, mask, target); for (i = 0; i < 10000; i++) { if ((mpi_read(sc, r) & mask) != target) return (0); delay(1000); } return (1); } int mpi_init(struct mpi_softc *sc) { u_int32_t db; int i; /* spin until the IOC leaves the RESET state */ if (mpi_wait_ne(sc, MPI_DOORBELL, MPI_DOORBELL_STATE, MPI_DOORBELL_STATE_RESET) != 0) { DNPRINTF(MPI_D_MISC, "%s: mpi_init timeout waiting to leave " "reset state\n", DEVNAME(sc)); return (1); } /* check current ownership */ db = mpi_read_db(sc); if ((db & MPI_DOORBELL_WHOINIT) == MPI_DOORBELL_WHOINIT_PCIPEER) { DNPRINTF(MPI_D_MISC, "%s: mpi_init initialised by pci peer\n", DEVNAME(sc)); return (0); } for (i = 0; i < 5; i++) { switch (db & MPI_DOORBELL_STATE) { case MPI_DOORBELL_STATE_READY: DNPRINTF(MPI_D_MISC, "%s: mpi_init ioc is ready\n", DEVNAME(sc)); return (0); case MPI_DOORBELL_STATE_OPER: case MPI_DOORBELL_STATE_FAULT: DNPRINTF(MPI_D_MISC, "%s: mpi_init ioc is being " "reset\n" , DEVNAME(sc)); if (mpi_reset_soft(sc) != 0) mpi_reset_hard(sc); break; case MPI_DOORBELL_STATE_RESET: DNPRINTF(MPI_D_MISC, "%s: mpi_init waiting to come " "out of reset\n", DEVNAME(sc)); if (mpi_wait_ne(sc, MPI_DOORBELL, MPI_DOORBELL_STATE, MPI_DOORBELL_STATE_RESET) != 0) return (1); break; } db = mpi_read_db(sc); } return (1); } int mpi_reset_soft(struct mpi_softc *sc) { DNPRINTF(MPI_D_MISC, "%s: mpi_reset_soft\n", DEVNAME(sc)); if (mpi_read_db(sc) & MPI_DOORBELL_INUSE) return (1); mpi_write_db(sc, MPI_DOORBELL_FUNCTION(MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET)); if (mpi_wait_eq(sc, MPI_INTR_STATUS, MPI_INTR_STATUS_IOCDOORBELL, 0) != 0) return (1); if (mpi_wait_eq(sc, MPI_DOORBELL, MPI_DOORBELL_STATE, MPI_DOORBELL_STATE_READY) != 0) return (1); return (0); } int mpi_reset_hard(struct mpi_softc *sc) { DNPRINTF(MPI_D_MISC, "%s: mpi_reset_hard\n", DEVNAME(sc)); /* enable diagnostic register */ mpi_write(sc, MPI_WRITESEQ, 0xff); mpi_write(sc, MPI_WRITESEQ, MPI_WRITESEQ_1); mpi_write(sc, MPI_WRITESEQ, MPI_WRITESEQ_2); mpi_write(sc, MPI_WRITESEQ, MPI_WRITESEQ_3); mpi_write(sc, MPI_WRITESEQ, MPI_WRITESEQ_4); mpi_write(sc, MPI_WRITESEQ, MPI_WRITESEQ_5); /* reset ioc */ mpi_write(sc, MPI_HOSTDIAG, MPI_HOSTDIAG_RESET_ADAPTER); delay(10000); /* disable diagnostic register */ mpi_write(sc, MPI_WRITESEQ, 0xff); /* restore pci bits? */ /* firmware bits? */ return (0); } int mpi_handshake_send(struct mpi_softc *sc, void *buf, size_t dwords) { u_int32_t *query = buf; int i; /* make sure the doorbell is not in use. */ if (mpi_read_db(sc) & MPI_DOORBELL_INUSE) return (1); /* clear pending doorbell interrupts */ if (mpi_read_intr(sc) & MPI_INTR_STATUS_DOORBELL) mpi_write_intr(sc, 0); /* * first write the doorbell with the handshake function and the * dword count. */ mpi_write_db(sc, MPI_DOORBELL_FUNCTION(MPI_FUNCTION_HANDSHAKE) | MPI_DOORBELL_DWORDS(dwords)); /* * the doorbell used bit will be set because a doorbell function has * started. Wait for the interrupt and then ack it. */ if (mpi_wait_db_int(sc) != 0) return (1); mpi_write_intr(sc, 0); /* poll for the acknowledgement. */ if (mpi_wait_db_ack(sc) != 0) return (1); /* write the query through the doorbell. */ for (i = 0; i < dwords; i++) { mpi_write_db(sc, htole32(query[i])); if (mpi_wait_db_ack(sc) != 0) return (1); } return (0); } int mpi_handshake_recv_dword(struct mpi_softc *sc, u_int32_t *dword) { u_int16_t *words = (u_int16_t *)dword; int i; for (i = 0; i < 2; i++) { if (mpi_wait_db_int(sc) != 0) return (1); words[i] = letoh16(mpi_read_db(sc) & MPI_DOORBELL_DATA_MASK); mpi_write_intr(sc, 0); } return (0); } int mpi_handshake_recv(struct mpi_softc *sc, void *buf, size_t dwords) { struct mpi_msg_reply *reply = buf; u_int32_t *dbuf = buf, dummy; int i; /* get the first dword so we can read the length out of the header. */ if (mpi_handshake_recv_dword(sc, &dbuf[0]) != 0) return (1); DNPRINTF(MPI_D_CMD, "%s: mpi_handshake_recv dwords: %d reply: %d\n", DEVNAME(sc), dwords, reply->msg_length); /* * the total length, in dwords, is in the message length field of the * reply header. */ for (i = 1; i < MIN(dwords, reply->msg_length); i++) { if (mpi_handshake_recv_dword(sc, &dbuf[i]) != 0) return (1); } /* if there's extra stuff to come off the ioc, discard it */ while (i++ < reply->msg_length) { if (mpi_handshake_recv_dword(sc, &dummy) != 0) return (1); DNPRINTF(MPI_D_CMD, "%s: mpi_handshake_recv dummy read: " "0x%08x\n", DEVNAME(sc), dummy); } /* wait for the doorbell used bit to be reset and clear the intr */ if (mpi_wait_db_int(sc) != 0) return (1); mpi_write_intr(sc, 0); return (0); } void mpi_empty_done(struct mpi_ccb *ccb) { /* nothing to do */ } int mpi_iocfacts(struct mpi_softc *sc) { struct mpi_msg_iocfacts_request ifq; struct mpi_msg_iocfacts_reply ifp; DNPRINTF(MPI_D_MISC, "%s: mpi_iocfacts\n", DEVNAME(sc)); bzero(&ifq, sizeof(ifq)); bzero(&ifp, sizeof(ifp)); ifq.function = MPI_FUNCTION_IOC_FACTS; ifq.chain_offset = 0; ifq.msg_flags = 0; ifq.msg_context = htole32(0xdeadbeef); if (mpi_handshake_send(sc, &ifq, dwordsof(ifq)) != 0) { DNPRINTF(MPI_D_MISC, "%s: mpi_iocfacts send failed\n", DEVNAME(sc)); return (1); } if (mpi_handshake_recv(sc, &ifp, dwordsof(ifp)) != 0) { DNPRINTF(MPI_D_MISC, "%s: mpi_iocfacts recv failed\n", DEVNAME(sc)); return (1); } DNPRINTF(MPI_D_MISC, "%s: func: 0x%02x len: %d msgver: %d.%d\n", DEVNAME(sc), ifp.function, ifp.msg_length, ifp.msg_version_maj, ifp.msg_version_min); DNPRINTF(MPI_D_MISC, "%s: msgflags: 0x%02x iocnumber: 0x%02x " "hdrver: %d.%d\n", DEVNAME(sc), ifp.msg_flags, ifp.ioc_number, ifp.header_version_maj, ifp.header_version_min); DNPRINTF(MPI_D_MISC, "%s: message context: 0x%08x\n", DEVNAME(sc), letoh32(ifp.msg_context)); DNPRINTF(MPI_D_MISC, "%s: iocstatus: 0x%04x ioexcept: 0x%04x\n", DEVNAME(sc), letoh16(ifp.ioc_status), letoh16(ifp.ioc_exceptions)); DNPRINTF(MPI_D_MISC, "%s: iocloginfo: 0x%08x\n", DEVNAME(sc), letoh32(ifp.ioc_loginfo)); DNPRINTF(MPI_D_MISC, "%s: flags: 0x%02x blocksize: %d whoinit: 0x%02x " "maxchdepth: %d\n", DEVNAME(sc), ifp.flags, ifp.block_size, ifp.whoinit, ifp.max_chain_depth); DNPRINTF(MPI_D_MISC, "%s: reqfrsize: %d replyqdepth: %d\n", DEVNAME(sc), letoh16(ifp.request_frame_size), letoh16(ifp.reply_queue_depth)); DNPRINTF(MPI_D_MISC, "%s: productid: 0x%04x\n", DEVNAME(sc), letoh16(ifp.product_id)); DNPRINTF(MPI_D_MISC, "%s: hostmfahiaddr: 0x%08x\n", DEVNAME(sc), letoh32(ifp.current_host_mfa_hi_addr)); DNPRINTF(MPI_D_MISC, "%s: event_state: 0x%02x number_of_ports: %d " "global_credits: %d\n", DEVNAME(sc), ifp.event_state, ifp.number_of_ports, letoh16(ifp.global_credits)); DNPRINTF(MPI_D_MISC, "%s: sensebufhiaddr: 0x%08x\n", DEVNAME(sc), letoh32(ifp.current_sense_buffer_hi_addr)); DNPRINTF(MPI_D_MISC, "%s: maxbus: %d maxdev: %d replyfrsize: %d\n", DEVNAME(sc), ifp.max_buses, ifp.max_devices, letoh16(ifp.current_reply_frame_size)); DNPRINTF(MPI_D_MISC, "%s: fw_image_size: %d\n", DEVNAME(sc), letoh32(ifp.fw_image_size)); DNPRINTF(MPI_D_MISC, "%s: ioc_capabilities: 0x%08x\n", DEVNAME(sc), letoh32(ifp.ioc_capabilities)); DNPRINTF(MPI_D_MISC, "%s: fw_version: %d.%d fw_version_unit: 0x%02x " "fw_version_dev: 0x%02x\n", DEVNAME(sc), ifp.fw_version_maj, ifp.fw_version_min, ifp.fw_version_unit, ifp.fw_version_dev); DNPRINTF(MPI_D_MISC, "%s: hi_priority_queue_depth: 0x%04x\n", DEVNAME(sc), letoh16(ifp.hi_priority_queue_depth)); DNPRINTF(MPI_D_MISC, "%s: host_page_buffer_sge: hdr: 0x%08x " "addr 0x%08x %08x\n", DEVNAME(sc), letoh32(ifp.host_page_buffer_sge.sg_hdr), letoh32(ifp.host_page_buffer_sge.sg_hi_addr), letoh32(ifp.host_page_buffer_sge.sg_lo_addr)); sc->sc_maxcmds = letoh16(ifp.global_credits); sc->sc_buswidth = (ifp.max_devices == 0) ? 256 : ifp.max_devices; sc->sc_maxchdepth = ifp.max_chain_depth; /* * you can fit sg elements on the end of the io cmd if they fit in the * request frame size. */ sc->sc_first_sgl_len = ((letoh16(ifp.request_frame_size) * 4) - sizeof(struct mpi_msg_scsi_io)) / sizeof(struct mpi_sge); DNPRINTF(MPI_D_MISC, "%s: first sgl len: %d\n", DEVNAME(sc), sc->sc_first_sgl_len); /* the sgl tailing the io cmd loses an entry to the chain element. */ sc->sc_max_sgl_len = MPI_MAX_SGL - 1; /* the sgl chains lose an entry for each chain element */ sc->sc_max_sgl_len -= (MPI_MAX_SGL - sc->sc_first_sgl_len) / sc->sc_maxchdepth; DNPRINTF(MPI_D_MISC, "%s: max sgl len: %d\n", DEVNAME(sc), sc->sc_max_sgl_len); return (0); } int mpi_iocinit(struct mpi_softc *sc) { struct mpi_msg_iocinit_request iiq; struct mpi_msg_iocinit_reply iip; u_int32_t hi_addr; DNPRINTF(MPI_D_MISC, "%s: mpi_iocinit\n", DEVNAME(sc)); bzero(&iiq, sizeof(iiq)); bzero(&iip, sizeof(iip)); iiq.function = MPI_FUNCTION_IOC_INIT; iiq.whoinit = MPI_WHOINIT_HOST_DRIVER; iiq.max_devices = (sc->sc_buswidth == 256) ? 0 : sc->sc_buswidth; iiq.max_buses = 1; iiq.msg_context = htole32(0xd00fd00f); iiq.reply_frame_size = htole16(MPI_REPLY_SIZE); hi_addr = (u_int32_t)((u_int64_t)MPI_DMA_DVA(sc->sc_requests) >> 32); iiq.host_mfa_hi_addr = htole32(hi_addr); iiq.sense_buffer_hi_addr = htole32(hi_addr); hi_addr = (u_int32_t)((u_int64_t)MPI_DMA_DVA(sc->sc_replies) >> 32); iiq.reply_fifo_host_signalling_addr = htole32(hi_addr); iiq.msg_version_maj = 0x01; iiq.msg_version_min = 0x02; iiq.hdr_version_unit = 0x0d; iiq.hdr_version_dev = 0x00; if (mpi_handshake_send(sc, &iiq, dwordsof(iiq)) != 0) { DNPRINTF(MPI_D_MISC, "%s: mpi_iocinit send failed\n", DEVNAME(sc)); return (1); } if (mpi_handshake_recv(sc, &iip, dwordsof(iip)) != 0) { DNPRINTF(MPI_D_MISC, "%s: mpi_iocinit recv failed\n", DEVNAME(sc)); return (1); } DNPRINTF(MPI_D_MISC, "%s: function: 0x%02x msg_length: %d " "whoinit: 0x%02x\n", DEVNAME(sc), iip.function, iip.msg_length, iip.whoinit); DNPRINTF(MPI_D_MISC, "%s: msg_flags: 0x%02x max_buses: %d " "max_devices: %d flags: 0x%02x\n", DEVNAME(sc), iip.msg_flags, iip.max_buses, iip.max_devices, iip.flags); DNPRINTF(MPI_D_MISC, "%s: msg_context: 0x%08x\n", DEVNAME(sc), letoh32(iip.msg_context)); DNPRINTF(MPI_D_MISC, "%s: ioc_status: 0x%04x\n", DEVNAME(sc), letoh16(iip.ioc_status)); DNPRINTF(MPI_D_MISC, "%s: ioc_loginfo: 0x%08x\n", DEVNAME(sc), letoh32(iip.ioc_loginfo)); return (0); } int mpi_portfacts(struct mpi_softc *sc) { struct mpi_ccb *ccb; struct mpi_msg_portfacts_request *pfq; volatile struct mpi_msg_portfacts_reply *pfp; int s, rv = 1; DNPRINTF(MPI_D_MISC, "%s: mpi_portfacts\n", DEVNAME(sc)); s = splbio(); ccb = mpi_get_ccb(sc); splx(s); if (ccb == NULL) { DNPRINTF(MPI_D_MISC, "%s: mpi_portfacts ccb_get\n", DEVNAME(sc)); return (rv); } ccb->ccb_done = mpi_empty_done; pfq = ccb->ccb_cmd; pfq->function = MPI_FUNCTION_PORT_FACTS; pfq->chain_offset = 0; pfq->msg_flags = 0; pfq->port_number = 0; pfq->msg_context = htole32(ccb->ccb_id); if (mpi_poll(sc, ccb, 50000) != 0) { DNPRINTF(MPI_D_MISC, "%s: mpi_portfacts poll\n", DEVNAME(sc)); goto err; } pfp = ccb->ccb_reply; if (pfp == NULL) { DNPRINTF(MPI_D_MISC, "%s: empty portfacts reply\n", DEVNAME(sc)); goto err; } DNPRINTF(MPI_D_MISC, "%s: function: 0x%02x msg_length: %d\n", DEVNAME(sc), pfp->function, pfp->msg_length); DNPRINTF(MPI_D_MISC, "%s: msg_flags: 0x%02x port_number: %d\n", DEVNAME(sc), pfp->msg_flags, pfp->port_number); DNPRINTF(MPI_D_MISC, "%s: msg_context: 0x%08x\n", DEVNAME(sc), letoh32(pfp->msg_context)); DNPRINTF(MPI_D_MISC, "%s: ioc_status: 0x%04x\n", DEVNAME(sc), letoh16(pfp->ioc_status)); DNPRINTF(MPI_D_MISC, "%s: ioc_loginfo: 0x%08x\n", DEVNAME(sc), letoh32(pfp->ioc_loginfo)); DNPRINTF(MPI_D_MISC, "%s: max_devices: %d port_type: 0x%02x\n", DEVNAME(sc), letoh16(pfp->max_devices), pfp->port_type); DNPRINTF(MPI_D_MISC, "%s: protocol_flags: 0x%04x port_scsi_id: %d\n", DEVNAME(sc), letoh16(pfp->protocol_flags), letoh16(pfp->port_scsi_id)); DNPRINTF(MPI_D_MISC, "%s: max_persistent_ids: %d " "max_posted_cmd_buffers: %d\n", DEVNAME(sc), letoh16(pfp->max_persistent_ids), letoh16(pfp->max_posted_cmd_buffers)); DNPRINTF(MPI_D_MISC, "%s: max_lan_buckets: %d\n", DEVNAME(sc), letoh16(pfp->max_lan_buckets)); sc->sc_porttype = pfp->port_type; sc->sc_target = letoh16(pfp->port_scsi_id); mpi_push_reply(sc, ccb->ccb_reply_dva); rv = 0; err: mpi_put_ccb(sc, ccb); return (rv); } int mpi_eventnotify(struct mpi_softc *sc) { struct mpi_ccb *ccb; struct mpi_msg_event_request *enq; int s; s = splbio(); ccb = mpi_get_ccb(sc); splx(s); if (ccb == NULL) { DNPRINTF(MPI_D_MISC, "%s: mpi_eventnotify ccb_get\n", DEVNAME(sc)); return (1); } ccb->ccb_done = mpi_eventnotify_done; enq = ccb->ccb_cmd; enq->function = MPI_FUNCTION_EVENT_NOTIFICATION; enq->chain_offset = 0; enq->ev_switch = 1; enq->msg_context = htole32(ccb->ccb_id); mpi_start(sc, ccb); return (0); } void mpi_eventnotify_done(struct mpi_ccb *ccb) { struct mpi_softc *sc = ccb->ccb_sc; struct mpi_msg_event_reply *enp = ccb->ccb_reply; u_int32_t *data; int i; printf("%s: %s\n", DEVNAME(sc), __func__); printf("%s: function: 0x%02x msg_length: %d data_length: %d\n", DEVNAME(sc), enp->function, enp->msg_length, letoh16(enp->data_length)); printf("%s: ack_required: %d msg_flags 0x%02x\n", DEVNAME(sc), enp->msg_flags, enp->msg_flags); printf("%s: msg_context: 0x%08x\n", DEVNAME(sc), letoh32(enp->msg_context)); printf("%s: ioc_status: 0x%04x\n", DEVNAME(sc), letoh16(enp->ioc_status)); printf("%s: ioc_loginfo: 0x%08x\n", DEVNAME(sc), letoh32(enp->ioc_loginfo)); data = ccb->ccb_reply; data += dwordsof(struct mpi_msg_event_reply); for (i = 0; i < letoh16(enp->data_length); i++) { printf("%s: data[%d]: 0x%08x\n", DEVNAME(sc), i, data[i]); } } int mpi_portenable(struct mpi_softc *sc) { struct mpi_ccb *ccb; struct mpi_msg_portenable_request *peq; struct mpi_msg_portenable_repy *pep; int s; DNPRINTF(MPI_D_MISC, "%s: mpi_portenable\n", DEVNAME(sc)); s = splbio(); ccb = mpi_get_ccb(sc); splx(s); if (ccb == NULL) { DNPRINTF(MPI_D_MISC, "%s: mpi_portenable ccb_get\n", DEVNAME(sc)); return (1); } ccb->ccb_done = mpi_empty_done; peq = ccb->ccb_cmd; peq->function = MPI_FUNCTION_PORT_ENABLE; peq->port_number = 0; peq->msg_context = htole32(ccb->ccb_id); if (mpi_poll(sc, ccb, 50000) != 0) { DNPRINTF(MPI_D_MISC, "%s: mpi_portenable poll\n", DEVNAME(sc)); return (1); } pep = ccb->ccb_reply; if (pep == NULL) { DNPRINTF(MPI_D_MISC, "%s: empty portenable reply\n", DEVNAME(sc)); return (1); } mpi_push_reply(sc, ccb->ccb_reply_dva); mpi_put_ccb(sc, ccb); return (0); } int mpi_cfg_header(struct mpi_softc *sc, u_int8_t type, u_int8_t number, u_int32_t address, struct mpi_cfg_hdr *hdr) { struct mpi_ccb *ccb; struct mpi_msg_config_request *cq; struct mpi_msg_config_reply *cp; int s; DNPRINTF(MPI_D_MISC, "%s: mpi_cfg_header type: %#x number: %x " "address: %d\n", DEVNAME(sc), type, number, address); s = splbio(); ccb = mpi_get_ccb(sc); splx(s); if (ccb == NULL) { DNPRINTF(MPI_D_MISC, "%s: mpi_cfg_header ccb_get\n", DEVNAME(sc)); return (1); } ccb->ccb_done = mpi_empty_done; cq = ccb->ccb_cmd; cq->function = MPI_FUNCTION_CONFIG; cq->msg_context = htole32(ccb->ccb_id); cq->action = MPI_CONFIG_REQ_ACTION_PAGE_HEADER; cq->config_header.page_number = number; cq->config_header.page_type = type; cq->page_address = htole32(address); cq->page_buffer.sg_hdr = htole32(MPI_SGE_FL_TYPE_SIMPLE | MPI_SGE_FL_LAST | MPI_SGE_FL_EOB | MPI_SGE_FL_EOL); if (mpi_poll(sc, ccb, 50000) != 0) { DNPRINTF(MPI_D_MISC, "%s: mpi_cfg_header poll\n", DEVNAME(sc)); return (1); } cp = ccb->ccb_reply; if (cp == NULL) panic("%s: unable to fetch config header\n", DEVNAME(sc)); DNPRINTF(MPI_D_MISC, "%s: action: 0x%02x msg_length: %d function: " "0x%02x\n", DEVNAME(sc), cp->action, cp->msg_length, cp->function); DNPRINTF(MPI_D_MISC, "%s: ext_page_length: %d ext_page_type: 0x%02x " "msg_flags: 0x%02x\n", DEVNAME(sc), letoh16(cp->ext_page_length), cp->ext_page_type, cp->msg_flags); DNPRINTF(MPI_D_MISC, "%s: msg_context: 0x%08x\n", DEVNAME(sc), letoh32(cp->msg_context)); DNPRINTF(MPI_D_MISC, "%s: ioc_status: 0x%04x\n", DEVNAME(sc), letoh16(cp->ioc_status)); DNPRINTF(MPI_D_MISC, "%s: ioc_loginfo: 0x%08x\n", DEVNAME(sc), letoh32(cp->ioc_loginfo)); DNPRINTF(MPI_D_MISC, "%s: page_version: 0x%02x page_length: %d " "page_number: 0x%02x page_type: 0x%02x\n", DEVNAME(sc), cp->config_header.page_version, cp->config_header.page_length, cp->config_header.page_number, cp->config_header.page_type); *hdr = cp->config_header; mpi_push_reply(sc, ccb->ccb_reply_dva); mpi_put_ccb(sc, ccb); return (0); } int mpi_cfg_page(struct mpi_softc *sc, u_int32_t address, struct mpi_cfg_hdr *hdr, int read, void *page, size_t len) { struct mpi_ccb *ccb; struct mpi_msg_config_request *cq; struct mpi_msg_config_reply *cp; u_int64_t dva; char *kva; int s; DNPRINTF(MPI_D_MISC, "%s: mpi_cfg_page address: %d read: %d type: %x\n", DEVNAME(sc), address, read, hdr->page_type); if (len > MPI_REQUEST_SIZE - sizeof(struct mpi_msg_config_request) || len < hdr->page_length * 4) return (1); s = splbio(); ccb = mpi_get_ccb(sc); splx(s); if (ccb == NULL) { DNPRINTF(MPI_D_MISC, "%s: mpi_cfg_page ccb_get\n", DEVNAME(sc)); return (1); } ccb->ccb_done = mpi_empty_done; cq = ccb->ccb_cmd; cq->function = MPI_FUNCTION_CONFIG; cq->msg_context = htole32(ccb->ccb_id); cq->action = (read ? MPI_CONFIG_REQ_ACTION_PAGE_READ_CURRENT : MPI_CONFIG_REQ_ACTION_PAGE_WRITE_CURRENT); cq->config_header = *hdr; cq->config_header.page_type &= MPI_CONFIG_REQ_PAGE_TYPE_MASK; cq->page_address = htole32(address); cq->page_buffer.sg_hdr = htole32(MPI_SGE_FL_TYPE_SIMPLE | MPI_SGE_FL_LAST | MPI_SGE_FL_EOB | MPI_SGE_FL_EOL | (hdr->page_length * 4) | (read ? MPI_SGE_FL_DIR_IN : MPI_SGE_FL_DIR_OUT)); /* bounce the page via the request space to avoid more bus_dma games */ dva = MPI_DMA_DVA(sc->sc_requests) + ccb->ccb_offset + sizeof(struct mpi_msg_config_request); cq->page_buffer.sg_hi_addr = htole32((u_int32_t)(dva >> 32)); cq->page_buffer.sg_lo_addr = htole32((u_int32_t)dva); kva = MPI_DMA_KVA(sc->sc_requests); kva += ccb->ccb_offset + sizeof(struct mpi_msg_config_request); if (!read) bcopy(page, kva, len); if (mpi_poll(sc, ccb, 50000) != 0) { DNPRINTF(MPI_D_MISC, "%s: mpi_cfg_page poll\n", DEVNAME(sc)); return (1); } cp = ccb->ccb_reply; if (cp == NULL) { mpi_put_ccb(sc, ccb); return (1); } DNPRINTF(MPI_D_MISC, "%s: action: 0x%02x msg_length: %d function: " "0x%02x\n", DEVNAME(sc), cp->action, cp->msg_length, cp->function); DNPRINTF(MPI_D_MISC, "%s: ext_page_length: %d ext_page_type: 0x%02x " "msg_flags: 0x%02x\n", DEVNAME(sc), letoh16(cp->ext_page_length), cp->ext_page_type, cp->msg_flags); DNPRINTF(MPI_D_MISC, "%s: msg_context: 0x%08x\n", DEVNAME(sc), letoh32(cp->msg_context)); DNPRINTF(MPI_D_MISC, "%s: ioc_status: 0x%04x\n", DEVNAME(sc), letoh16(cp->ioc_status)); DNPRINTF(MPI_D_MISC, "%s: ioc_loginfo: 0x%08x\n", DEVNAME(sc), letoh32(cp->ioc_loginfo)); DNPRINTF(MPI_D_MISC, "%s: page_version: 0x%02x page_length: %d " "page_number: 0x%02x page_type: 0x%02x\n", DEVNAME(sc), cp->config_header.page_version, cp->config_header.page_length, cp->config_header.page_number, cp->config_header.page_type); if (read) bcopy(kva, page, len); mpi_push_reply(sc, ccb->ccb_reply_dva); mpi_put_ccb(sc, ccb); return (0); }