/*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
*/
struct sk_buff;
-struct ipath_sge_state;
struct ipath_devdata;
struct ether_header;
-struct ipath_layer_counters {
- u64 symbol_error_counter;
- u64 link_error_recovery_counter;
- u64 link_downed_counter;
- u64 port_rcv_errors;
- u64 port_rcv_remphys_errors;
- u64 port_xmit_discards;
- u64 port_xmit_data;
- u64 port_rcv_data;
- u64 port_xmit_packets;
- u64 port_rcv_packets;
-};
-
-/*
- * A segment is a linear region of low physical memory.
- * XXX Maybe we should use phys addr here and kmap()/kunmap().
- * Used by the verbs layer.
- */
-struct ipath_seg {
- void *vaddr;
- size_t length;
-};
-
-/* The number of ipath_segs that fit in a page. */
-#define IPATH_SEGSZ (PAGE_SIZE / sizeof (struct ipath_seg))
-
-struct ipath_segarray {
- struct ipath_seg segs[IPATH_SEGSZ];
-};
-
-struct ipath_mregion {
- u64 user_base; /* User's address for this region */
- u64 iova; /* IB start address of this region */
- size_t length;
- u32 lkey;
- u32 offset; /* offset (bytes) to start of region */
- int access_flags;
- u32 max_segs; /* number of ipath_segs in all the arrays */
- u32 mapsz; /* size of the map array */
- struct ipath_segarray *map[0]; /* the segments */
-};
-
-/*
- * These keep track of the copy progress within a memory region.
- * Used by the verbs layer.
- */
-struct ipath_sge {
- struct ipath_mregion *mr;
- void *vaddr; /* current pointer into the segment */
- u32 sge_length; /* length of the SGE */
- u32 length; /* remaining length of the segment */
- u16 m; /* current index: mr->map[m] */
- u16 n; /* current index: mr->map[m]->segs[n] */
-};
-
-struct ipath_sge_state {
- struct ipath_sge *sg_list; /* next SGE to be used if any */
- struct ipath_sge sge; /* progress state for the current SGE */
- u8 num_sge;
-};
-
int ipath_layer_register(void *(*l_add)(int, struct ipath_devdata *),
void (*l_remove)(void *),
int (*l_intr)(void *, u32),
struct sk_buff *),
u16 rcv_opcode,
int (*l_rcv_lid)(void *, void *));
-int ipath_verbs_register(void *(*l_add)(int, struct ipath_devdata *),
- void (*l_remove)(void *arg),
- int (*l_piobufavail)(void *arg),
- void (*l_rcv)(void *arg, void *rhdr,
- void *data, u32 tlen),
- void (*l_timer_cb)(void *arg));
void ipath_layer_unregister(void);
-void ipath_verbs_unregister(void);
int ipath_layer_open(struct ipath_devdata *, u32 * pktmax);
u16 ipath_layer_get_lid(struct ipath_devdata *dd);
int ipath_layer_get_mac(struct ipath_devdata *dd, u8 *);
u16 ipath_layer_get_bcast(struct ipath_devdata *dd);
-u32 ipath_layer_get_cr_errpkey(struct ipath_devdata *dd);
-int ipath_layer_set_linkstate(struct ipath_devdata *dd, u8 state);
-int ipath_layer_set_mtu(struct ipath_devdata *, u16);
-int ipath_set_sps_lid(struct ipath_devdata *, u32, u8);
int ipath_layer_send_hdr(struct ipath_devdata *dd,
struct ether_header *hdr);
-int ipath_verbs_send(struct ipath_devdata *dd, u32 hdrwords,
- u32 * hdr, u32 len, struct ipath_sge_state *ss);
int ipath_layer_set_piointbufavail_int(struct ipath_devdata *dd);
-int ipath_layer_get_boardname(struct ipath_devdata *dd, char *name,
- size_t namelen);
-int ipath_layer_snapshot_counters(struct ipath_devdata *dd, u64 *swords,
- u64 *rwords, u64 *spkts, u64 *rpkts,
- u64 *xmit_wait);
-int ipath_layer_get_counters(struct ipath_devdata *dd,
- struct ipath_layer_counters *cntrs);
-int ipath_layer_want_buffer(struct ipath_devdata *dd);
-int ipath_layer_set_guid(struct ipath_devdata *, __be64 guid);
-__be64 ipath_layer_get_guid(struct ipath_devdata *);
-u32 ipath_layer_get_nguid(struct ipath_devdata *);
-int ipath_layer_query_device(struct ipath_devdata *, u32 * vendor,
- u32 * boardrev, u32 * majrev, u32 * minrev);
-u32 ipath_layer_get_flags(struct ipath_devdata *dd);
-struct device *ipath_layer_get_device(struct ipath_devdata *dd);
-u16 ipath_layer_get_deviceid(struct ipath_devdata *dd);
-u64 ipath_layer_get_lastibcstat(struct ipath_devdata *dd);
-u32 ipath_layer_get_ibmtu(struct ipath_devdata *dd);
-int ipath_layer_enable_timer(struct ipath_devdata *dd);
-int ipath_layer_disable_timer(struct ipath_devdata *dd);
-int ipath_layer_set_verbs_flags(struct ipath_devdata *dd, unsigned flags);
-unsigned ipath_layer_get_npkeys(struct ipath_devdata *dd);
-unsigned ipath_layer_get_pkey(struct ipath_devdata *dd, unsigned index);
-int ipath_layer_get_pkeys(struct ipath_devdata *dd, u16 *pkeys);
-int ipath_layer_set_pkeys(struct ipath_devdata *dd, u16 *pkeys);
-int ipath_layer_get_linkdowndefaultstate(struct ipath_devdata *dd);
-int ipath_layer_set_linkdowndefaultstate(struct ipath_devdata *dd,
- int sleep);
-int ipath_layer_get_phyerrthreshold(struct ipath_devdata *dd);
-int ipath_layer_set_phyerrthreshold(struct ipath_devdata *dd, unsigned n);
-int ipath_layer_get_overrunthreshold(struct ipath_devdata *dd);
-int ipath_layer_set_overrunthreshold(struct ipath_devdata *dd, unsigned n);
-u32 ipath_layer_get_rcvhdrentsize(struct ipath_devdata *dd);
/* ipath_ether interrupt values */
#define IPATH_LAYER_INT_IF_UP 0x2
#define IPATH_LAYER_INT_SEND_CONTINUE 0x10
#define IPATH_LAYER_INT_BCAST 0x40
-/* _verbs_layer.l_flags */
-#define IPATH_VERBS_KERNEL_SMA 0x1
-
extern unsigned ipath_debug; /* debugging bit mask */
#endif /* _IPATH_LAYER_H */
git.samba.org / sfrench / cifs-2.6.git / blobdiff