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/* $OpenBSD: qlavar.h,v 1.5 2014/02/20 00:23:00 dlg Exp $ */
/*
* Copyright (c) 2013, 2014 Jonathan Matthew <jmatthew@openbsd.org>
*
* 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.
*/
#define QLA_DEFAULT_PORT_NAME 0x400000007F000003ULL /* from isp(4) */
#define QLA_WAIT_FOR_LOOP 10
/* rounded up range of assignable handles for 2k login firmware */
#define QLA_MAX_TARGETS 2048
/* maximum number of segments allowed for in a single io */
#define QLA_MAX_SEGS 16
struct qla_softc;
enum qla_isp_gen {
QLA_GEN_ISP2100 = 1,
QLA_GEN_ISP2200,
QLA_GEN_ISP23XX,
};
enum qla_isp_type {
QLA_ISP2100 = 1,
QLA_ISP2200,
QLA_ISP2300,
QLA_ISP2312,
QLA_ISP2322
};
struct qla_regs {
u_int16_t (*read)(struct qla_softc *, bus_size_t);
int (*read_isr)(struct qla_softc *,
u_int16_t *, u_int16_t *);
bus_size_t req_in;
bus_size_t req_out;
bus_size_t res_in;
bus_size_t res_out;
};
/* port database things */
#define QLA_SCRATCH_SIZE 0x1000
enum qla_port_disp {
QLA_PORT_DISP_NEW,
QLA_PORT_DISP_GONE,
QLA_PORT_DISP_SAME,
QLA_PORT_DISP_CHANGED,
QLA_PORT_DISP_MOVED,
QLA_PORT_DISP_DUP
};
#define QLA_UPDATE_DISCARD 0
#define QLA_UPDATE_SOFTRESET 1
#define QLA_UPDATE_FULL_SCAN 2
#define QLA_UPDATE_LOOP_SCAN 3
#define QLA_UPDATE_FABRIC_SCAN 4
#define QLA_UPDATE_FABRIC_RELOGIN 5
#define QLA_LOCATION_LOOP_ID(l) (l | (1 << 24))
#define QLA_LOCATION_PORT_ID(p) (p | (2 << 24))
struct qla_fc_port {
TAILQ_ENTRY(qla_fc_port) ports;
TAILQ_ENTRY(qla_fc_port) update;
u_int64_t node_name;
u_int64_t port_name;
u_int32_t location; /* port id or loop id */
int flags;
#define QLA_PORT_FLAG_IS_TARGET 1
#define QLA_PORT_FLAG_NEEDS_LOGIN 2
u_int32_t portid;
u_int16_t loopid;
};
/* request/response queue stuff */
#define QLA_QUEUE_ENTRY_SIZE 64
struct qla_ccb {
struct qla_softc *ccb_sc;
int ccb_id;
struct scsi_xfer *ccb_xs;
bus_dmamap_t ccb_dmamap;
struct qla_iocb_seg *ccb_t4segs;
u_int64_t ccb_seg_offset;
SIMPLEQ_ENTRY(qla_ccb) ccb_link;
};
SIMPLEQ_HEAD(qla_ccb_list, qla_ccb);
struct qla_dmamem {
bus_dmamap_t qdm_map;
bus_dma_segment_t qdm_seg;
size_t qdm_size;
caddr_t qdm_kva;
};
#define QLA_DMA_MAP(_qdm) ((_qdm)->qdm_map)
#define QLA_DMA_LEN(_qdm) ((_qdm)->qdm_size)
#define QLA_DMA_DVA(_qdm) ((u_int64_t)(_qdm)->qdm_map->dm_segs[0].ds_addr)
#define QLA_DMA_KVA(_qdm) ((void *)(_qdm)->qdm_kva)
struct qla_softc {
struct device sc_dev;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_size_t sc_ios;
bus_dma_tag_t sc_dmat;
struct scsi_link sc_link;
struct scsibus_softc *sc_scsibus;
enum qla_isp_type sc_isp_type;
enum qla_isp_gen sc_isp_gen;
int sc_port;
int sc_expanded_lun;
int sc_fabric;
int sc_2k_logins;
const struct qla_regs *sc_regs;
int sc_mbox_base;
u_int16_t sc_mbox[12];
int sc_mbox_pending;
int sc_loop_up;
int sc_topology;
int sc_loop_id;
int sc_port_id;
int sc_loop_max_id;
u_int64_t sc_sns_port_name;
struct mutex sc_port_mtx;
TAILQ_HEAD(, qla_fc_port) sc_ports;
TAILQ_HEAD(, qla_fc_port) sc_ports_new;
TAILQ_HEAD(, qla_fc_port) sc_ports_gone;
struct qla_fc_port *sc_targets[QLA_MAX_TARGETS];
struct taskq *sc_scan_taskq;
int sc_maxcmds;
struct qla_dmamem *sc_requests;
struct qla_dmamem *sc_responses;
struct qla_dmamem *sc_segments;
struct qla_dmamem *sc_scratch;
struct qla_ccb *sc_ccbs;
struct qla_ccb_list sc_ccb_free;
struct mutex sc_ccb_mtx;
struct mutex sc_queue_mtx;
struct scsi_iopool sc_iopool;
u_int16_t sc_next_req_id;
u_int16_t sc_last_resp_id;
int sc_marker_required;
struct qla_nvram sc_nvram;
int sc_nvram_valid;
u_int64_t sc_node_name;
u_int64_t sc_port_name;
};
#define DEVNAME(_sc) ((_sc)->sc_dev.dv_xname)
int qla_attach(struct qla_softc *);
int qla_detach(struct qla_softc *, int);
int qla_intr(void *);
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