/*
- * Copyright (c) 2006, 2007 QLogic Corporation. All rights reserved.
+ * Copyright (c) 2006, 2007, 2008 QLogic Corporation. All rights reserved.
* Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
#include <rdma/ib_pack.h>
#include <rdma/ib_user_verbs.h>
-#include "ipath_layer.h"
+#include "ipath_kernel.h"
#define IPATH_MAX_RDMA_ATOMIC 4
*/
#define IB_CQ_NONE (IB_CQ_NEXT_COMP + 1)
+/* AETH NAK opcode values */
#define IB_RNR_NAK 0x20
#define IB_NAK_PSN_ERROR 0x60
#define IB_NAK_INVALID_REQUEST 0x61
#define IB_NAK_REMOTE_OPERATIONAL_ERROR 0x63
#define IB_NAK_INVALID_RD_REQUEST 0x64
+/* Flags for checking QP state (see ib_ipath_state_ops[]) */
#define IPATH_POST_SEND_OK 0x01
#define IPATH_POST_RECV_OK 0x02
#define IPATH_PROCESS_RECV_OK 0x04
} u;
} __attribute__ ((packed));
+struct ipath_pio_header {
+ __le32 pbc[2];
+ struct ipath_ib_header hdr;
+} __attribute__ ((packed));
+
/*
* There is one struct ipath_mcast for each multicast GID.
* All attached QPs are then stored as a list of
struct ipath_cq_wc {
u32 head; /* index of next entry to fill */
u32 tail; /* index of next ib_poll_cq() entry */
- struct ib_uverbs_wc queue[1]; /* this is actually size ibcq.cqe + 1 */
+ union {
+ /* these are actually size ibcq.cqe + 1 */
+ struct ib_uverbs_wc uqueue[0];
+ struct ib_wc kqueue[0];
+ };
};
/*
*/
struct ipath_sge {
struct ipath_mregion *mr;
- void *vaddr; /* current pointer into the segment */
+ void *vaddr; /* kernel virtual address of segment */
u32 sge_length; /* length of the SGE */
u32 length; /* remaining length of the segment */
u16 m; /* current index: mr->map[m] */
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;
+ u8 static_rate;
};
/*
struct tasklet_struct s_task;
struct ipath_mmap_info *ip;
struct ipath_sge_state *s_cur_sge;
+ struct ipath_verbs_txreq *s_tx;
struct ipath_sge_state s_sge; /* current send request data */
struct ipath_ack_entry s_ack_queue[IPATH_MAX_RDMA_ATOMIC + 1];
struct ipath_sge_state s_ack_rdma_sge;
struct ipath_sge_state r_sge; /* current receive data */
spinlock_t s_lock;
unsigned long s_busy;
- u32 s_hdrwords; /* size of s_hdr in 32 bit words */
+ u16 s_pkt_delay;
+ u16 s_hdrwords; /* size of s_hdr in 32 bit words */
u32 s_cur_size; /* size of send packet in bytes */
u32 s_len; /* total length of s_sge */
u32 s_rdma_read_len; /* total length of s_rdma_read_sge */
u8 r_nak_state; /* non-zero if NAK is pending */
u8 r_min_rnr_timer; /* retry timeout value for RNR NAKs */
u8 r_reuse_sge; /* for UC receive errors */
- u8 r_sge_inx; /* current index into sg_list */
u8 r_wrid_valid; /* r_wrid set but CQ entry not yet made */
u8 r_max_rd_atomic; /* max number of RDMA read/atomic to receive */
u8 r_head_ack_queue; /* index into s_ack_queue[] */
u8 s_num_rd_atomic; /* number of RDMA read/atomic pending */
u8 s_tail_ack_queue; /* index into s_ack_queue[] */
u8 s_flags;
+ u8 s_dmult;
u8 timeout; /* Timeout for this QP */
enum ib_mtu path_mtu;
u32 remote_qpn;
u32 s_ssn; /* SSN of tail entry */
u32 s_lsn; /* limit sequence number (credit) */
struct ipath_swqe *s_wq; /* send work queue */
+ struct ipath_swqe *s_wqe;
struct ipath_rq r_rq; /* receive work queue */
struct ipath_sge r_sg_list[0]; /* verified SGEs */
};
int ib_unit; /* This is the device number */
u16 sm_lid; /* in host order */
u8 sm_sl;
- u8 mkeyprot_resv_lmc;
+ u8 mkeyprot;
/* non-zero when timer is set */
unsigned long mkey_lease_timeout;
struct ipath_lkey_table lk_table;
struct list_head pending[3]; /* FIFO of QPs waiting for ACKs */
struct list_head piowait; /* list for wait PIO buf */
+ struct list_head txreq_free;
+ void *txreq_bufs;
/* list of QPs waiting for RNR timer */
struct list_head rnrwait;
spinlock_t pending_lock;
u32 z_pkey_violations; /* starting count for PMA */
u32 z_local_link_integrity_errors; /* starting count for PMA */
u32 z_excessive_buffer_overrun_errors; /* starting count for PMA */
+ u32 z_vl15_dropped; /* starting count for PMA */
u32 n_rc_resends;
u32 n_rc_acks;
u32 n_rc_qacks;
u32 n_rdma_dup_busy;
u32 n_piowait;
u32 n_no_piobuf;
+ u32 n_unaligned;
u32 port_cap_flags;
u32 pma_sample_start;
u32 pma_sample_interval;
u16 pending_index; /* which pending queue is active */
u8 pma_sample_status;
u8 subnet_timeout;
- u8 link_width_enabled;
u8 vl_high_limit;
struct ipath_opcode_stats opstats[128];
};
u64 port_rcv_packets;
u32 local_link_integrity_errors;
u32 excessive_buffer_overrun_errors;
+ u32 vl15_dropped;
+};
+
+struct ipath_verbs_txreq {
+ struct ipath_qp *qp;
+ struct ipath_swqe *wqe;
+ u32 map_len;
+ u32 len;
+ struct ipath_sge_state *ss;
+ struct ipath_pio_header hdr;
+ struct ipath_sdma_txreq txreq;
};
static inline struct ipath_mr *to_imr(struct ib_mr *ibmr)
int ipath_destroy_qp(struct ib_qp *ibqp);
-void ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err);
+int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err);
int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata);
void ipath_get_credit(struct ipath_qp *qp, u32 aeth);
-int ipath_verbs_send(struct ipath_devdata *dd, u32 hdrwords,
- u32 *hdr, u32 len, struct ipath_sge_state *ss);
+unsigned ipath_ib_rate_to_mult(enum ib_rate rate);
-void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int sig);
+int ipath_verbs_send(struct ipath_qp *qp, struct ipath_ib_header *hdr,
+ u32 hdrwords, struct ipath_sge_state *ss, u32 len);
void ipath_copy_sge(struct ipath_sge_state *ss, void *data, u32 length);
void ipath_skip_sge(struct ipath_sge_state *ss, u32 length);
-int ipath_post_ruc_send(struct ipath_qp *qp, struct ib_send_wr *wr);
-
void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
int has_grh, void *data, u32 tlen, struct ipath_qp *qp);
int ipath_destroy_srq(struct ib_srq *ibsrq);
+void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int sig);
+
int ipath_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry);
struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries, int comp_vector,
void ipath_insert_rnr_queue(struct ipath_qp *qp);
+int ipath_init_sge(struct ipath_qp *qp, struct ipath_rwqe *wqe,
+ u32 *lengthp, struct ipath_sge_state *ss);
+
int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only);
u32 ipath_make_grh(struct ipath_ibdev *dev, struct ib_grh *hdr,
struct ib_global_route *grh, u32 hwords, u32 nwords);
-void ipath_do_ruc_send(unsigned long data);
+void ipath_make_ruc_header(struct ipath_ibdev *dev, struct ipath_qp *qp,
+ struct ipath_other_headers *ohdr,
+ u32 bth0, u32 bth2);
+
+void ipath_do_send(unsigned long data);
-int ipath_make_rc_req(struct ipath_qp *qp, struct ipath_other_headers *ohdr,
- u32 pmtu, u32 *bth0p, u32 *bth2p);
+void ipath_send_complete(struct ipath_qp *qp, struct ipath_swqe *wqe,
+ enum ib_wc_status status);
-int ipath_make_uc_req(struct ipath_qp *qp, struct ipath_other_headers *ohdr,
- u32 pmtu, u32 *bth0p, u32 *bth2p);
+int ipath_make_rc_req(struct ipath_qp *qp);
+
+int ipath_make_uc_req(struct ipath_qp *qp);
+
+int ipath_make_ud_req(struct ipath_qp *qp);
int ipath_register_ib_device(struct ipath_devdata *);
extern const enum ib_wc_opcode ib_ipath_wc_opcode[];
+/*
+ * Below converts HCA-specific LinkTrainingState to IB PhysPortState
+ * values.
+ */
extern const u8 ipath_cvt_physportstate[];
+#define IB_PHYSPORTSTATE_SLEEP 1
+#define IB_PHYSPORTSTATE_POLL 2
+#define IB_PHYSPORTSTATE_DISABLED 3
+#define IB_PHYSPORTSTATE_CFG_TRAIN 4
+#define IB_PHYSPORTSTATE_LINKUP 5
+#define IB_PHYSPORTSTATE_LINK_ERR_RECOVER 6
extern const int ib_ipath_state_ops[];
projects / linux-2.6-omap-h63xx.git / blobdiff