81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/* $OpenBSD: ufshcivar.h,v 1.1 2023/02/04 23:11:59 mglocker Exp $ */
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/*
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* Copyright (c) 2022 Marcus Glocker <mglocker@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#define UFSHCI_READ_4(sc, x) \
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bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (x))
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#define UFSHCI_WRITE_4(sc, x, y) \
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bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, (x), (y))
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#define UFSHCI_DMA_MAP(_udm) ((_udm)->udm_map)
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#define UFSHCI_DMA_LEN(_udm) ((_udm)->udm_map->dm_segs[0].ds_len)
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#define UFSHCI_DMA_DVA(_udm) ((uint64_t)(_udm)->udm_map->dm_segs[0].ds_addr)
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#define UFSHCI_DMA_KVA(_udm) ((void *)(_udm)->udm_kva)
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struct ufshci_dmamem {
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bus_dmamap_t udm_map;
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bus_dma_segment_t udm_seg;
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size_t udm_size;
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caddr_t udm_kva;
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};
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struct ufshci_softc;
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/* SCSI */
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struct ufshci_ccb {
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SIMPLEQ_ENTRY(ufshci_ccb) ccb_entry;
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bus_dmamap_t ccb_dmamap;
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void *ccb_cookie;
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int ccb_slot;
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void (*ccb_done)(struct ufshci_softc *,
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struct ufshci_ccb *);
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};
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SIMPLEQ_HEAD(ufshci_ccb_list, ufshci_ccb);
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struct ufshci_softc {
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struct device sc_dev;
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bus_space_tag_t sc_iot;
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bus_space_handle_t sc_ioh;
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bus_size_t sc_ios;
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bus_dma_tag_t sc_dmat;
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uint8_t sc_intraggr_enabled;
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uint32_t sc_ver;
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uint32_t sc_cap;
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uint32_t sc_hcpid;
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uint32_t sc_hcmid;
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uint8_t sc_nutmrs;
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uint8_t sc_rtt;
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uint8_t sc_nutrs;
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uint8_t sc_taskid;
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struct ufshci_dmamem *sc_dmamem_utmrd;
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struct ufshci_dmamem *sc_dmamem_utrd;
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struct ufshci_dmamem *sc_dmamem_ucd;
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/* SCSI */
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struct scsi_iopool sc_iopool;
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struct mutex sc_ccb_mtx;
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struct ufshci_ccb_list sc_ccb_list;
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struct ufshci_ccb *sc_ccbs;
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};
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int ufshci_intr(void *);
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void ufshci_attach_hook(struct device *); /* XXX: Only for testing */
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int ufshci_attach(struct ufshci_softc *);
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