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mfivar.h revision 1.17 
      1 /* $NetBSD: mfivar.h,v 1.17 2012/08/05 15:50:49 bouyer Exp $ */
      2 /* $OpenBSD: mfivar.h,v 1.28 2006/08/31 18:18:46 marco Exp $ */
      3 /*
      4  * Copyright (c) 2006 Marco Peereboom <marco (at) peereboom.us>
      5  *
      6  * Permission to use, copy, modify, and distribute this software for any
      7  * purpose with or without fee is hereby granted, provided that the above
      8  * copyright notice and this permission notice appear in all copies.
      9  *
     10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     17  */
     18 
     19 #include <dev/sysmon/sysmonvar.h>
     20 #include <sys/envsys.h>
     21 
     22 #define DEVNAME(_s)     (device_xname((_s)->sc_dev))
     23 
     24 /* #define MFI_DEBUG */
     25 #ifdef MFI_DEBUG
     26 extern uint32_t			mfi_debug;
     27 #define DPRINTF(x...)		do { if (mfi_debug) printf(x); } while(0)
     28 #define DNPRINTF(n,x...)	do { if (mfi_debug & n) printf(x); } while(0)
     29 #define	MFI_D_CMD		0x0001
     30 #define	MFI_D_INTR		0x0002
     31 #define	MFI_D_MISC		0x0004
     32 #define	MFI_D_DMA		0x0008
     33 #define	MFI_D_IOCTL		0x0010
     34 #define	MFI_D_RW		0x0020
     35 #define	MFI_D_MEM		0x0040
     36 #define	MFI_D_CCB		0x0080
     37 #else
     38 #define DPRINTF(x, ...)
     39 #define DNPRINTF(n, x, ...)
     40 #endif
     41 
     42 struct mfi_mem {
     43 	bus_dmamap_t		am_map;
     44 	bus_dma_segment_t	am_seg;
     45 	size_t			am_size;
     46 	void *			am_kva;
     47 };
     48 
     49 #define MFIMEM_MAP(_am)		((_am)->am_map)
     50 #define MFIMEM_DVA(_am)		((_am)->am_map->dm_segs[0].ds_addr)
     51 #define MFIMEM_KVA(_am)		((void *)(_am)->am_kva)
     52 
     53 struct mfi_prod_cons {
     54 	uint32_t		mpc_producer;
     55 	uint32_t		mpc_consumer;
     56 	uint32_t		mpc_reply_q[1]; /* compensate for 1 extra reply per spec */
     57 };
     58 
     59 struct mfi_ccb {
     60 	struct mfi_softc	*ccb_sc;
     61 
     62 	union mfi_frame		*ccb_frame;
     63 	paddr_t			ccb_pframe;
     64 	uint32_t		ccb_frame_size;
     65 	uint32_t		ccb_extra_frames;
     66 
     67 	struct mfi_sense	*ccb_sense;
     68 	paddr_t			ccb_psense;
     69 
     70 	bus_dmamap_t		ccb_dmamap;
     71 
     72 	union mfi_sgl		*ccb_sgl;
     73 
     74 	/* data for sgl */
     75 	void			*ccb_data;
     76 	uint32_t		ccb_len;
     77 
     78 	uint32_t		ccb_direction;
     79 #define MFI_DATA_NONE	0
     80 #define MFI_DATA_IN	1
     81 #define MFI_DATA_OUT	2
     82 
     83 	struct scsipi_xfer	*ccb_xs;
     84 
     85 	void			(*ccb_done)(struct mfi_ccb *);
     86 
     87 	volatile enum {
     88 		MFI_CCB_FREE,
     89 		MFI_CCB_READY,
     90 		MFI_CCB_DONE
     91 	}			ccb_state;
     92 	uint32_t		ccb_flags;
     93 #define MFI_CCB_F_ERR			(1<<0)
     94 	TAILQ_ENTRY(mfi_ccb)	ccb_link;
     95 };
     96 
     97 TAILQ_HEAD(mfi_ccb_list, mfi_ccb);
     98 
     99 enum mfi_iop {
    100 	MFI_IOP_XSCALE,
    101 	MFI_IOP_PPC,
    102 	MFI_IOP_GEN2,
    103 	MFI_IOP_SKINNY
    104 };
    105 
    106 struct mfi_iop_ops {
    107 	uint32_t 		(*mio_fw_state)(struct mfi_softc *);
    108 	void 			(*mio_intr_dis)(struct mfi_softc *);
    109 	void 			(*mio_intr_ena)(struct mfi_softc *);
    110 	int 			(*mio_intr)(struct mfi_softc *);
    111 	void 			(*mio_post)(struct mfi_softc *, struct mfi_ccb *);
    112 };
    113 
    114 struct mfi_softc {
    115 	device_t		sc_dev;
    116 	struct scsipi_channel	sc_chan;
    117 	struct scsipi_adapter	sc_adapt;
    118 
    119 	const struct mfi_iop_ops *sc_iop;
    120 	enum mfi_iop		sc_ioptype;
    121 
    122 	void			*sc_ih;
    123 
    124 	bool			sc_64bit_dma;
    125 
    126 	bus_space_tag_t		sc_iot;
    127 	bus_space_handle_t	sc_ioh;
    128 	bus_dma_tag_t		sc_dmat;
    129 	bus_size_t		sc_size;
    130 
    131 	/* save some useful information for logical drives that is missing
    132 	 * in sc_ld_list
    133 	 */
    134 	struct {
    135 		uint32_t	ld_present;
    136 		char		ld_dev[16];	/* device name sd? */
    137 	}			sc_ld[MFI_MAX_LD];
    138 
    139 	/* firmware determined max, totals and other information*/
    140 	uint32_t		sc_max_cmds;
    141 	uint32_t		sc_max_sgl;
    142 	uint32_t		sc_sgl_size;
    143 	uint32_t		sc_max_ld;
    144 	uint32_t		sc_ld_cnt;
    145 	uint16_t		sc_sgl_flags;
    146 	uint16_t		sc_reserved;
    147 	/* XXX these struct should be local to mgmt function */
    148 	struct mfi_ctrl_info	sc_info;
    149 	struct mfi_ld_list	sc_ld_list;
    150 	struct mfi_ld_details	sc_ld_details;
    151 
    152 	/* all commands */
    153 	struct mfi_ccb		*sc_ccb;
    154 
    155 	/* producer/consumer pointers and reply queue */
    156 	struct mfi_mem		*sc_pcq;
    157 
    158 	/* frame memory */
    159 	struct mfi_mem		*sc_frames;
    160 	uint32_t		sc_frames_size;
    161 
    162 	/* sense memory */
    163 	struct mfi_mem		*sc_sense;
    164 
    165 	struct mfi_ccb_list	sc_ccb_freeq;
    166 
    167 	struct sysmon_envsys    *sc_sme;
    168 	envsys_data_t		*sc_sensor;
    169 
    170 	device_t		sc_child;
    171 };
    172 
    173 int	mfi_rescan(device_t, const char *, const int *);
    174 void	mfi_childdetached(device_t, device_t);
    175 int	mfi_attach(struct mfi_softc *, enum mfi_iop);
    176 int	mfi_detach(struct mfi_softc *, int);
    177 int	mfi_intr(void *);
    178