Date: Tue, 24 Dec 2019 14:50:17 +0000 (UTC) From: Scott Long <scottl@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r356052 - head/sys/dev/mpr Message-ID: <201912241450.xBOEoHPu079886@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: scottl Date: Tue Dec 24 14:50:17 2019 New Revision: 356052 URL: https://svnweb.freebsd.org/changeset/base/356052 Log: Convert the mpr driver to use busdma templates. Modified: head/sys/dev/mpr/mpr.c head/sys/dev/mpr/mpr_pci.c head/sys/dev/mpr/mpr_user.c Modified: head/sys/dev/mpr/mpr.c ============================================================================== --- head/sys/dev/mpr/mpr.c Tue Dec 24 14:49:37 2019 (r356051) +++ head/sys/dev/mpr/mpr.c Tue Dec 24 14:50:17 2019 (r356052) @@ -1311,6 +1311,7 @@ mpr_alloc_queues(struct mpr_softc *sc) static int mpr_alloc_hw_queues(struct mpr_softc *sc) { + bus_dma_tag_template_t t; bus_addr_t queues_busaddr; uint8_t *queues; int qsize, fqsize, pqsize; @@ -1332,17 +1333,12 @@ mpr_alloc_hw_queues(struct mpr_softc *sc) pqsize = sc->pqdepth * 8; qsize = fqsize + pqsize; - if (bus_dma_tag_create( sc->mpr_parent_dmat, /* parent */ - 16, 0, /* algnmnt, boundary */ - BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - qsize, /* maxsize */ - 1, /* nsegments */ - qsize, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->queues_dmat)) { + bus_dma_template_init(&t, sc->mpr_parent_dmat); + t.alignment = 16; + t.lowaddr = BUS_SPACE_MAXADDR_32BIT; + t.maxsize = t.maxsegsize = qsize; + t.nsegments = 1; + if (bus_dma_template_tag(&t, &sc->queues_dmat)) { mpr_dprint(sc, MPR_ERROR, "Cannot allocate queues DMA tag\n"); return (ENOMEM); } @@ -1370,6 +1366,7 @@ mpr_alloc_hw_queues(struct mpr_softc *sc) static int mpr_alloc_replies(struct mpr_softc *sc) { + bus_dma_tag_template_t t; int rsize, num_replies; /* Store the reply frame size in bytes rather than as 32bit words */ @@ -1383,17 +1380,12 @@ mpr_alloc_replies(struct mpr_softc *sc) num_replies = max(sc->fqdepth, sc->num_replies); rsize = sc->replyframesz * num_replies; - if (bus_dma_tag_create( sc->mpr_parent_dmat, /* parent */ - 4, 0, /* algnmnt, boundary */ - BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - rsize, /* maxsize */ - 1, /* nsegments */ - rsize, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->reply_dmat)) { + bus_dma_template_init(&t, sc->mpr_parent_dmat); + t.alignment = 4; + t.lowaddr = BUS_SPACE_MAXADDR_32BIT; + t.maxsize = t.maxsegsize = rsize; + t.nsegments = 1; + if (bus_dma_template_tag(&t, &sc->reply_dmat)) { mpr_dprint(sc, MPR_ERROR, "Cannot allocate replies DMA tag\n"); return (ENOMEM); } @@ -1440,21 +1432,17 @@ mpr_load_chains_cb(void *arg, bus_dma_segment_t *segs, static int mpr_alloc_requests(struct mpr_softc *sc) { + bus_dma_tag_template_t t; struct mpr_command *cm; int i, rsize, nsegs; rsize = sc->reqframesz * sc->num_reqs; - if (bus_dma_tag_create( sc->mpr_parent_dmat, /* parent */ - 16, 0, /* algnmnt, boundary */ - BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - rsize, /* maxsize */ - 1, /* nsegments */ - rsize, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->req_dmat)) { + bus_dma_template_init(&t, sc->mpr_parent_dmat); + t.alignment = 16; + t.lowaddr = BUS_SPACE_MAXADDR_32BIT; + t.maxsize = t.maxsegsize = rsize; + t.nsegments = 1; + if (bus_dma_template_tag(&t, &sc->req_dmat)) { mpr_dprint(sc, MPR_ERROR, "Cannot allocate request DMA tag\n"); return (ENOMEM); } @@ -1476,17 +1464,11 @@ mpr_alloc_requests(struct mpr_softc *sc) return (ENOMEM); } rsize = sc->chain_frame_size * sc->num_chains; - if (bus_dma_tag_create( sc->mpr_parent_dmat, /* parent */ - 16, 0, /* algnmnt, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - rsize, /* maxsize */ - howmany(rsize, PAGE_SIZE), /* nsegments */ - rsize, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->chain_dmat)) { + bus_dma_template_init(&t, sc->mpr_parent_dmat); + t.alignment = 16; + t.maxsize = t.maxsegsize = rsize; + t.nsegments = howmany(rsize, PAGE_SIZE); + if (bus_dma_template_tag(&t, &sc->chain_dmat)) { mpr_dprint(sc, MPR_ERROR, "Cannot allocate chain DMA tag\n"); return (ENOMEM); } @@ -1504,17 +1486,9 @@ mpr_alloc_requests(struct mpr_softc *sc) } rsize = MPR_SENSE_LEN * sc->num_reqs; - if (bus_dma_tag_create( sc->mpr_parent_dmat, /* parent */ - 1, 0, /* algnmnt, boundary */ - BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - rsize, /* maxsize */ - 1, /* nsegments */ - rsize, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->sense_dmat)) { + bus_dma_template_clone(&t, sc->req_dmat); + t.maxsize = t.maxsegsize = rsize; + if (bus_dma_template_tag(&t, &sc->sense_dmat)) { mpr_dprint(sc, MPR_ERROR, "Cannot allocate sense DMA tag\n"); return (ENOMEM); } @@ -1540,18 +1514,12 @@ mpr_alloc_requests(struct mpr_softc *sc) } nsegs = (sc->maxio / PAGE_SIZE) + 1; - if (bus_dma_tag_create( sc->mpr_parent_dmat, /* parent */ - 1, 0, /* algnmnt, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ - nsegs, /* nsegments */ - BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ - BUS_DMA_ALLOCNOW, /* flags */ - busdma_lock_mutex, /* lockfunc */ - &sc->mpr_mtx, /* lockarg */ - &sc->buffer_dmat)) { + bus_dma_template_init(&t, sc->mpr_parent_dmat); + t.nsegments = nsegs; + t.flags = BUS_DMA_ALLOCNOW; + t.lockfunc = busdma_lock_mutex; + t.lockfuncarg = &sc->mpr_mtx; + if (bus_dma_template_tag(&t, &sc->buffer_dmat)) { mpr_dprint(sc, MPR_ERROR, "Cannot allocate buffer DMA tag\n"); return (ENOMEM); } @@ -1608,9 +1576,10 @@ mpr_alloc_requests(struct mpr_softc *sc) static int mpr_alloc_nvme_prp_pages(struct mpr_softc *sc) { + bus_dma_tag_template_t t; + struct mpr_prp_page *prp_page; int PRPs_per_page, PRPs_required, pages_required; int rsize, i; - struct mpr_prp_page *prp_page; /* * Assuming a MAX_IO_SIZE of 1MB and a PAGE_SIZE of 4k, the max number @@ -1637,17 +1606,12 @@ mpr_alloc_nvme_prp_pages(struct mpr_softc *sc) sc->prp_buffer_size = PAGE_SIZE * pages_required; rsize = sc->prp_buffer_size * NVME_QDEPTH; - if (bus_dma_tag_create( sc->mpr_parent_dmat, /* parent */ - 4, 0, /* algnmnt, boundary */ - BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - rsize, /* maxsize */ - 1, /* nsegments */ - rsize, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->prp_page_dmat)) { + bus_dma_template_init(&t, sc->mpr_parent_dmat); + t.alignment = 4; + t.lowaddr = BUS_SPACE_MAXADDR_32BIT; + t.maxsize = t.maxsegsize = rsize; + t.nsegments = 1; + if (bus_dma_template_tag(&t, &sc->prp_page_dmat)) { mpr_dprint(sc, MPR_ERROR, "Cannot allocate NVMe PRP DMA " "tag\n"); return (ENOMEM); Modified: head/sys/dev/mpr/mpr_pci.c ============================================================================== --- head/sys/dev/mpr/mpr_pci.c Tue Dec 24 14:49:37 2019 (r356051) +++ head/sys/dev/mpr/mpr_pci.c Tue Dec 24 14:50:17 2019 (r356052) @@ -220,6 +220,7 @@ mpr_pci_probe(device_t dev) static int mpr_pci_attach(device_t dev) { + bus_dma_tag_template_t t; struct mpr_softc *sc; struct mpr_ident *m; int error, i; @@ -267,17 +268,8 @@ mpr_pci_attach(device_t dev) sc->mpr_bhandle = rman_get_bushandle(sc->mpr_regs_resource); /* Allocate the parent DMA tag */ - if (bus_dma_tag_create( bus_get_dma_tag(dev), /* parent */ - 1, 0, /* algnmnt, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - BUS_SPACE_MAXSIZE_32BIT,/* maxsize */ - BUS_SPACE_UNRESTRICTED, /* nsegments */ - BUS_SPACE_MAXSIZE_32BIT,/* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->mpr_parent_dmat)) { + bus_dma_template_init(&t, bus_get_dma_tag(dev)); + if (bus_dma_template_tag(&t, &sc->mpr_parent_dmat)) { mpr_printf(sc, "Cannot allocate parent DMA tag\n"); mpr_pci_free(sc); return (ENOMEM); Modified: head/sys/dev/mpr/mpr_user.c ============================================================================== --- head/sys/dev/mpr/mpr_user.c Tue Dec 24 14:49:37 2019 (r356051) +++ head/sys/dev/mpr/mpr_user.c Tue Dec 24 14:50:17 2019 (r356052) @@ -1452,6 +1452,7 @@ static int mpr_diag_register(struct mpr_softc *sc, mpr_fw_diag_register_t *diag_register, uint32_t *return_code) { + bus_dma_tag_template_t t; mpr_fw_diagnostic_buffer_t *pBuffer; struct mpr_busdma_context *ctx; uint8_t extended_type, buffer_type, i; @@ -1514,17 +1515,11 @@ mpr_diag_register(struct mpr_softc *sc, mpr_fw_diag_re *return_code = MPR_FW_DIAG_ERROR_NO_BUFFER; return (MPR_DIAG_FAILURE); } - if (bus_dma_tag_create( sc->mpr_parent_dmat, /* parent */ - 1, 0, /* algnmnt, boundary */ - BUS_SPACE_MAXADDR_32BIT,/* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - buffer_size, /* maxsize */ - 1, /* nsegments */ - buffer_size, /* maxsegsize */ - 0, /* flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->fw_diag_dmat)) { + bus_dma_template_init(&t, sc->mpr_parent_dmat); + t.lowaddr = BUS_SPACE_MAXADDR_32BIT; + t.maxsize = t.maxsegsize = buffer_size; + t.nsegments = 1; + if (bus_dma_template_tag(&t, &sc->fw_diag_dmat)) { mpr_dprint(sc, MPR_ERROR, "Cannot allocate FW diag buffer DMA tag\n"); *return_code = MPR_FW_DIAG_ERROR_NO_BUFFER;
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201912241450.xBOEoHPu079886>