/*      $OpenBSD: pyrovar.h,v 1.5 2020/06/23 01:21:29 jmatthew Exp $    */

/*
 * Copyright (c) 2007 Mark Kettenis
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

struct pyro_msi_msg {
        uint8_t         mm_type;
        uint8_t         mm_reserved[3];
        uint16_t        mm_reqid;
        uint16_t        mm_data;
        uint64_t        mm_reserved2[7];
};

struct pyro_range {
        u_int32_t       cspace;
        u_int32_t       child_hi;
        u_int32_t       child_lo;
        u_int32_t       phys_hi;
        u_int32_t       phys_lo;
        u_int32_t       size_hi;
        u_int32_t       size_lo;
};

struct pyro_eq {
        char                    eq_name[16];
        struct pyro_pbm         *eq_pbm;
        void                    *eq_ih;
        bus_size_t              eq_head;
        bus_size_t              eq_tail;
        struct pyro_msi_msg     *eq_ring;
        uint64_t                eq_mask;

        unsigned int            eq_id;
        unsigned int            eq_intr;
};

struct pyro_pbm {
        struct pyro_softc *pp_sc;

        struct pyro_range *pp_range;
        pci_chipset_tag_t pp_pc;
        int pp_nrange;

        bus_space_tag_t         pp_memt;
        bus_space_tag_t         pp_iot;
        bus_space_tag_t         pp_cfgt;
        bus_space_handle_t      pp_cfgh;
        bus_dma_tag_t           pp_dmat;
        int                     pp_bus_a;
        struct iommu_state      pp_is;
        struct strbuf_ctl       pp_sb;

        struct msi_eq *pp_meq;
        bus_addr_t pp_msiaddr;
        int pp_msinum;
        struct intrhand **pp_msi;

        unsigned int            pp_neq;
        struct pyro_eq          *pp_eq;

        int pp_flags;
};

struct pyro_softc {
        struct device sc_dv;
        int sc_node;
        int sc_ign;
        bus_dma_tag_t sc_dmat;
        bus_space_tag_t sc_bust;
        bus_addr_t sc_csr, sc_xbc;
        bus_space_handle_t sc_csrh, sc_xbch;

#if 0
        struct pyro_pbm *sc_pbm;
#endif

        int sc_oberon;
};