diff options
Diffstat (limited to 'src/drivers/net/mlx_ipoib/ib_driver.h')
| -rw-r--r-- | src/drivers/net/mlx_ipoib/ib_driver.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/drivers/net/mlx_ipoib/ib_driver.h b/src/drivers/net/mlx_ipoib/ib_driver.h new file mode 100644 index 000000000..305bb5d4d --- /dev/null +++ b/src/drivers/net/mlx_ipoib/ib_driver.h @@ -0,0 +1,169 @@ +/* + This software is available to you under a choice of one of two + licenses. You may choose to be licensed under the terms of the GNU + General Public License (GPL) Version 2, available at + <http://www.fsf.org/copyleft/gpl.html>, or the OpenIB.org BSD + license, available in the LICENSE.TXT file accompanying this + software. These details are also available at + <http://openib.org/license.html>. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + SOFTWARE. + + Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved. +*/ + +#ifndef __ib_driver_h__ +#define __ib_driver_h__ + +#define MELLANOX_VENDOR_ID 0x15b3 + +#define GLOBAL_PD 0x123456 +#define GLOBAL_QKEY 0x80010000 + +#define MAD_BUF_SZ 256 +#define IPOIB_RCV_BUF_SZ 2048 +#define IPOIB_SND_BUF_SZ 2048 +#define GRH_SIZE 40 + +#define ARP_BUF_SZ 56 + +#define FL_EOL 255 /* end of free list */ + +#define SEND_CQE_POLL_TOUT 38 /* 2 sec */ +#define SA_RESP_POLL_TOUT 91 /* 5 seconds */ + +#define NUM_AVS 10 + +#define PXE_IB_PORT 1 + +#define SA_QPN 1 +#define BCAST_QPN 0xffffff + +#define QPN_BASE 0x550000 + +enum { + MADS_QPN_SN, + IPOIB_QPN_SN, + MAX_APP_QPS +}; + +enum { + MADS_SND_CQN_SN, + MADS_RCV_CQN_SN, + IPOIB_SND_CQN_SN, + IPOIB_RCV_CQN_SN, + MAX_APP_CQS +}; + +enum { + MTU_256 = 1, + MTU_512 = 2, + MTU_1024 = 3, + MTU_2048 = 4, +}; + +#define HCR_BASE 0x80680 +#define HCR_OFFSET_GO 0x80698 +#define HCR_OFFSET_STATUS 0x80698 +#define HCR_OFFSET_OUTPRM_H 0x8068C +#define HCR_OFFSET_OUTPRM_L 0x80690 + +#define MKEY_PREFIX 0x77000000 +#define MKEY_IDX_MASK 0xffffff + +/* event types */ +/*=============*/ +/* Completion Events */ +#define XDEV_EV_TYPE_CQ_COMP 0 + + /* IB - affiliated errors CQ */ +#define XDEV_EV_TYPE_CQ_ERR 0x04 +#define XDEV_EV_TYPE_LOCAL_WQ_CATAS_ERR 0x05 + + /* Unaffiliated errors */ +#define XDEV_EV_TYPE_PORT_ERR 0x09 +#define XDEV_EV_TYPE_LOCAL_WQ_INVALID_REQ_ERR 0x10 +#define XDEV_EV_TYPE_LOCAL_WQ_ACCESS_VIOL_ERR 0x11 + +/* NOPCODE field enumeration for doorbells and send-WQEs */ +#define XDEV_NOPCODE_SEND 10 /* Send */ + +struct ib_gid_u32_st { + __u32 dw[4]; +}; + +union ib_gid_u { + __u8 raw[16]; + struct ib_gid_u32_st as_u32; +} __attribute__ ((packed)); + +struct ib_cqe_st { + __u8 is_error; + __u8 is_send; + void *wqe; + __u32 count; +}; + +typedef void *udqp_t; +typedef void *cq_t; +typedef void *ud_av_t; +typedef void *ud_send_wqe_t; +typedef void *eq_t; + +struct ib_data_st { +// __u32 mkey; +// __u32 pd; +// __u32 qkey; + udqp_t mads_qp; + udqp_t ipoib_qp; + cq_t mads_snd_cq; + cq_t mads_rcv_cq; + cq_t ipoib_snd_cq; + cq_t ipoib_rcv_cq; + eq_t eq; + __u16 sm_lid; + __u16 pkey; + union ib_gid_u port_gid; + union ib_gid_u bcast_gid; + ud_av_t bcast_av; /* av allocated and used solely for broadcast */ + __u8 port; +}; + +static int setup_hca(__u8 port, void **eq_p); +static int post_send_req(udqp_t qp, ud_send_wqe_t wqe, __u8 num_gather); +static void prep_send_wqe_buf(udqp_t qp, + ud_av_t av, + ud_send_wqe_t wqe, + const void *buf, + unsigned int offset, __u16 len, __u8 e); + +static int create_mads_qp(void **qp_pp, void **snd_cq_pp, void **rcv_cq_pp); + +static int create_ipoib_qp(udqp_t * qp_p, + void **snd_cq_pp, void **rcv_cq_pp, __u32 qkey); + +static int gw_read_cr(__u32 addr, __u32 * result); +static int gw_write_cr(__u32 addr, __u32 data); +static ud_av_t alloc_ud_av(void); +static void free_ud_av(ud_av_t av); +static int ib_poll_cq(cq_t cq, struct ib_cqe_st *ib_cqe_p, __u8 * num_cqes); +static int add_qp_to_mcast_group(union ib_gid_u mcast_gid, __u8 add); +static int clear_interrupt(void); +static int poll_cqe_tout(cq_t cqh, __u16 tout, void **wqe, int *good_p); + +static void *get_inprm_buf(void); +static void *get_outprm_buf(void); +static __u32 ib_get_qpn(udqp_t qph); + +static void dev_post_dbell(void *dbell, __u32 offset); + +static struct ib_data_st ib_data; + +#endif /* __ib_driver_h__ */ |