Merge from Etherboot 5.4

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__ */