/* $NetBSD: mfivar.h,v 1.20 2012/09/19 21:24:29 bouyer Exp $ */
/* $OpenBSD: mfivar.h,v 1.28 2006/08/31 18:18:46 marco Exp $ */
/*
* Copyright (c) 2006 Marco Peereboom <marco@peereboom.us>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <dev/sysmon/sysmonvar.h>
#include <sys/envsys.h>
#include <sys/workqueue.h>
#define DEVNAME(_s) (device_xname((_s)->sc_dev))
/* #define MFI_DEBUG */
#ifdef MFI_DEBUG
extern uint32_t mfi_debug;
#define DPRINTF(x...) do { if (mfi_debug) printf(x); } while(0)
#define DNPRINTF(n,x...) do { if (mfi_debug & n) printf(x); } while(0)
#define MFI_D_CMD 0x0001
#define MFI_D_INTR 0x0002
#define MFI_D_MISC 0x0004
#define MFI_D_DMA 0x0008
#define MFI_D_IOCTL 0x0010
#define MFI_D_RW 0x0020
#define MFI_D_MEM 0x0040
#define MFI_D_CCB 0x0080
#define MFI_D_SYNC 0x0100
#else
#define DPRINTF(x, ...)
#define DNPRINTF(n, x, ...)
#endif
struct mfi_mem {
bus_dmamap_t am_map;
bus_dma_segment_t am_seg;
size_t am_size;
void * am_kva;
};
#define MFIMEM_MAP(_am) ((_am)->am_map)
#define MFIMEM_DVA(_am) ((_am)->am_map->dm_segs[0].ds_addr)
#define MFIMEM_KVA(_am) ((void *)(_am)->am_kva)
struct mfi_prod_cons {
uint32_t mpc_producer;
uint32_t mpc_consumer;
uint32_t mpc_reply_q[1]; /* compensate for 1 extra reply per spec */
};
struct mfi_ccb {
struct mfi_softc *ccb_sc;
union mfi_frame *ccb_frame;
paddr_t ccb_pframe;
uint32_t ccb_frame_size;
uint32_t ccb_extra_frames;
struct mfi_sense *ccb_sense;
paddr_t ccb_psense;
bus_dmamap_t ccb_dmamap;
union mfi_sgl *ccb_sgl;
/* data for sgl */
void *ccb_data;
uint32_t ccb_len;
uint32_t ccb_direction;
#define MFI_DATA_NONE 0
#define MFI_DATA_IN 1
#define MFI_DATA_OUT 2
/*
* memory structure used by ThunderBolt controller.
* The legacy structures above are used too, depending on
* the command type.
*/
union mfi_mpi2_request_descriptor ccb_tb_request_desc;
struct mfi_mpi2_request_raid_scsi_io *ccb_tb_io_request;
bus_addr_t ccb_tb_pio_request;
mpi2_sge_io_union *ccb_tb_sg_frame;
bus_addr_t ccb_tb_psg_frame;
struct scsipi_xfer *ccb_xs;
void (*ccb_done)(struct mfi_ccb *);
volatile enum {
MFI_CCB_FREE,
MFI_CCB_READY,
MFI_CCB_RUNNING,
MFI_CCB_DONE
} ccb_state;
uint32_t ccb_flags;
#define MFI_CCB_F_ERR (1<<0)
#define MFI_CCB_F_TBOLT (1<<1) /* Thunderbolt descriptor */
#define MFI_CCB_F_TBOLT_IO (1<<2) /* Thunderbolt I/O descriptor */
TAILQ_ENTRY(mfi_ccb) ccb_link;
};
TAILQ_HEAD(mfi_ccb_list, mfi_ccb);
enum mfi_iop {
MFI_IOP_XSCALE,
MFI_IOP_PPC,
MFI_IOP_GEN2,
MFI_IOP_SKINNY,
MFI_IOP_TBOLT
};
struct mfi_iop_ops {
uint32_t (*mio_fw_state)(struct mfi_softc *);
void (*mio_intr_dis)(struct mfi_softc *);
void (*mio_intr_ena)(struct mfi_softc *);
int (*mio_intr)(struct mfi_softc *);
void (*mio_post)(struct mfi_softc *,
struct mfi_ccb *);
int (*mio_ld_io)(struct mfi_ccb *,
struct scsipi_xfer *, uint64_t, uint32_t);
};
struct mfi_softc {
device_t sc_dev;
struct scsipi_channel sc_chan;
struct scsipi_adapter sc_adapt;
const struct mfi_iop_ops *sc_iop;
enum mfi_iop sc_ioptype;
void *sc_ih;
bool sc_64bit_dma;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_size_t sc_size;
bus_dma_tag_t sc_dmat;
bus_dma_tag_t sc_datadmat;
/* save some useful information for logical drives that is missing
* in sc_ld_list
*/
struct {
uint32_t ld_present;
char ld_dev[16]; /* device name sd? */
} sc_ld[MFI_MAX_LD];
/* firmware determined max, totals and other information*/
uint32_t sc_max_cmds;
uint32_t sc_max_sgl;
uint32_t sc_sgl_size;
uint32_t sc_max_ld;
uint32_t sc_ld_cnt;
/* XXX these struct should be local to mgmt function */
struct mfi_ctrl_info sc_info;
struct mfi_ld_list sc_ld_list;
struct mfi_ld_details sc_ld_details;
/* all commands */
struct mfi_ccb *sc_ccb;
/* producer/consumer pointers and reply queue */
struct mfi_mem *sc_pcq;
/* frame memory */
struct mfi_mem *sc_frames;
uint32_t sc_frames_size;
/* thunderbolt memory */
struct mfi_mem *sc_tbolt_reqmsgpool;
struct mfi_mem *sc_tbolt_ioc_init;
/* Virtual address of reply Frame Pool, part of sc_tbolt_reqmsgpool */
int sc_reply_pool_size;
struct mfi_mpi2_reply_header* sc_reply_frame_pool;
bus_addr_t sc_reply_frame_busaddr;
uint8_t *sc_reply_pool_limit;
bus_addr_t sc_sg_frame_busaddr;
int sc_last_reply_idx;
struct mfi_mem *sc_tbolt_verbuf;
bool sc_MFA_enabled;
/* workqueue for the ld sync command */
struct workqueue *sc_ldsync_wq;
struct work sc_ldsync_wk;
struct mfi_ccb *sc_ldsync_ccb;
/* sense memory */
struct mfi_mem *sc_sense;
struct mfi_ccb_list sc_ccb_freeq;
struct sysmon_envsys *sc_sme;
envsys_data_t *sc_sensor;
bool sc_bbuok;
bool sc_running;
device_t sc_child;
/* for ioctl interface */
bool sc_opened;
};
int mfi_rescan(device_t, const char *, const int *);
void mfi_childdetached(device_t, device_t);
int mfi_attach(struct mfi_softc *, enum mfi_iop);
int mfi_detach(struct mfi_softc *, int);
int mfi_intr(void *);
int mfi_tbolt_intrh(void *);