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mfivar.h revision 1.13 
      1 /* $NetBSD: mfivar.h,v 1.13 2009/07/16 18:58:38 dyoung 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 };
    103 
    104 struct mfi_iop_ops {
    105 	uint32_t 		(*mio_fw_state)(struct mfi_softc *);
    106 	void 			(*mio_intr_dis)(struct mfi_softc *);
    107 	void 			(*mio_intr_ena)(struct mfi_softc *);
    108 	int 			(*mio_intr)(struct mfi_softc *);
    109 	void 			(*mio_post)(struct mfi_softc *, struct mfi_ccb *);
    110 };
    111 
    112 struct mfi_softc {
    113 	device_t		sc_dev;
    114 	struct scsipi_channel	sc_chan;
    115 	struct scsipi_adapter	sc_adapt;
    116 
    117 	const struct mfi_iop_ops *sc_iop;
    118 
    119 	void			*sc_ih;
    120 
    121 	uint32_t		sc_flags;
    122 
    123 	bus_space_tag_t		sc_iot;
    124 	bus_space_handle_t	sc_ioh;
    125 	bus_dma_tag_t		sc_dmat;
    126 	bus_size_t		sc_size;
    127 
    128 	/* save some useful information for logical drives that is missing
    129 	 * in sc_ld_list
    130 	 */
    131 	struct {
    132 		uint32_t	ld_present;
    133 		char		ld_dev[16];	/* device name sd? */
    134 	}			sc_ld[MFI_MAX_LD];
    135 
    136 	/* firmware determined max, totals and other information*/
    137 	uint32_t		sc_max_cmds;
    138 	uint32_t		sc_max_sgl;
    139 	uint32_t		sc_max_ld;
    140 	uint32_t		sc_ld_cnt;
    141 	/* XXX these struct should be local to mgmt function */
    142 	struct mfi_ctrl_info	sc_info;
    143 	struct mfi_ld_list	sc_ld_list;
    144 	struct mfi_ld_details	sc_ld_details;
    145 
    146 	/* all commands */
    147 	struct mfi_ccb		*sc_ccb;
    148 
    149 	/* producer/consumer pointers and reply queue */
    150 	struct mfi_mem		*sc_pcq;
    151 
    152 	/* frame memory */
    153 	struct mfi_mem		*sc_frames;
    154 	uint32_t		sc_frames_size;
    155 
    156 	/* sense memory */
    157 	struct mfi_mem		*sc_sense;
    158 
    159 	struct mfi_ccb_list	sc_ccb_freeq;
    160 
    161 	struct sysmon_envsys    *sc_sme;
    162 	envsys_data_t		*sc_sensor;
    163 
    164 	device_t		sc_child;
    165 };
    166 
    167 int	mfi_rescan(device_t, const char *, const int *);
    168 void	mfi_childdetached(device_t, device_t);
    169 int	mfi_attach(struct mfi_softc *, enum mfi_iop);
    170 int	mfi_detach(struct mfi_softc *, int);
    171 int	mfi_intr(void *);
    172