[openib-general] [PATCH v1 1/2] AMSO1100 Verbs Library.
Steve Wise
swise at opengridcomputing.com
Tue Jun 20 13:04:34 PDT 2006
This code implements user verbs for the Ammasso 1100 device. This library
doesn't do kernel bypass (but it could someday).
---
libamso/src/amso-abi.h | 79 +++++++++++++
libamso/src/amso.c | 180 +++++++++++++++++++++++++++++
libamso/src/amso.h | 156 +++++++++++++++++++++++++
libamso/src/amso.map | 6 +
libamso/src/cq.c | 57 +++++++++
libamso/src/qp.c | 55 +++++++++
libamso/src/verbs.c | 303 ++++++++++++++++++++++++++++++++++++++++++++++++
7 files changed, 836 insertions(+), 0 deletions(-)
diff --git a/libamso/src/amso-abi.h b/libamso/src/amso-abi.h
new file mode 100644
index 0000000..a3df617
--- /dev/null
+++ b/libamso/src/amso-abi.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved.
+ *
+ * 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 from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 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.
+ */
+#ifndef AMSO_ABI_H
+#define AMSO_ABI_H
+
+#include <infiniband/kern-abi.h>
+
+struct amso_alloc_ucontext_resp {
+ struct ibv_get_context_resp ibv_resp;
+};
+
+struct amso_alloc_pd_resp {
+ struct ibv_alloc_pd_resp ibv_resp;
+};
+
+struct amso_create_cq {
+ struct ibv_create_cq ibv_cmd;
+};
+
+
+struct amso_create_cq_resp {
+ struct ibv_create_cq_resp ibv_resp;
+ __u32 cqid;
+ __u32 entries;
+ __u64 physaddr; /* library mmaps this to get addressability */
+ __u64 queue;
+};
+
+struct amso_create_qp {
+ struct ibv_create_qp ibv_cmd;
+};
+
+struct amso_create_qp_resp {
+ struct ibv_create_qp_resp ibv_resp;
+ __u32 qpid;
+ __u32 entries; /* actual number of entries after creation */
+ __u64 physaddr; /* library mmaps this to get addressability */
+ __u64 physsize; /* library mmaps this to get addressability */
+ __u64 queue;
+};
+
+
+struct t3_cqe {
+ __u32 header:32;
+ __u32 len:32;
+ __u32 wrid_hi_stag:32;
+ __u32 wrid_low_msn:32;
+};
+
+#endif /* AMSO_ABI_H */
diff --git a/libamso/src/amso.c b/libamso/src/amso.c
new file mode 100644
index 0000000..c017281
--- /dev/null
+++ b/libamso/src/amso.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved.
+ *
+ * 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 from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 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.
+ */
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/mman.h>
+#include <pthread.h>
+#include <sysfs/libsysfs.h>
+
+#include "amso.h"
+#include "amso-abi.h"
+
+#define PCI_VENDOR_ID_AMSO 0x18b8
+#define PCI_DEVICE_ID_AMSO_1100 0xb001
+
+#define HCA(v, d, t) \
+ { .vendor = PCI_VENDOR_ID_##v, \
+ .device = PCI_DEVICE_ID_AMSO_##d, \
+ .type = AMSO_##t }
+
+struct {
+ unsigned vendor;
+ unsigned device;
+ enum amso_hca_type type;
+} hca_table[] = {
+ HCA(AMSO, 1100, 1100),
+};
+
+static struct ibv_context_ops amso_ctx_ops = {
+ .query_device = amso_query_device,
+ .query_port = amso_query_port,
+ .alloc_pd = amso_alloc_pd,
+ .dealloc_pd = amso_free_pd,
+ .reg_mr = amso_reg_mr,
+ .dereg_mr = amso_dereg_mr,
+ .create_cq = amso_create_cq,
+ .resize_cq = amso_resize_cq,
+ .poll_cq = amso_poll_cq,
+ .destroy_cq = amso_destroy_cq,
+ .create_srq = amso_create_srq,
+ .modify_srq = amso_modify_srq,
+ .destroy_srq = amso_destroy_srq,
+ .create_qp = amso_create_qp,
+ .modify_qp = amso_modify_qp,
+ .destroy_qp = amso_destroy_qp,
+ .create_ah = amso_create_ah,
+ .destroy_ah = amso_destroy_ah,
+ .attach_mcast = amso_attach_mcast,
+ .detach_mcast = amso_detach_mcast
+};
+
+static struct ibv_context *amso_alloc_context(struct ibv_device *ibdev,
+ int cmd_fd)
+{
+ struct amso_context *context;
+ struct ibv_get_context cmd;
+ struct amso_alloc_ucontext_resp resp;
+
+ context = malloc(sizeof *context);
+ if (!context)
+ return NULL;
+
+ context->ibv_ctx.cmd_fd = cmd_fd;
+
+ if (ibv_cmd_get_context(&context->ibv_ctx, &cmd, sizeof cmd,
+ &resp.ibv_resp, sizeof resp))
+ goto err_free;
+
+ context->ibv_ctx.device = ibdev;
+ context->ibv_ctx.ops = amso_ctx_ops;
+ context->ibv_ctx.ops.req_notify_cq = amso_arm_cq;
+ context->ibv_ctx.ops.cq_event = NULL;
+ context->ibv_ctx.ops.post_send = amso_post_send;
+ context->ibv_ctx.ops.post_recv = amso_post_recv;
+ context->ibv_ctx.ops.post_srq_recv = amso_post_srq_recv;
+
+ return &context->ibv_ctx;
+err_free:
+ free(context);
+ return NULL;
+}
+
+static void amso_free_context(struct ibv_context *ibctx)
+{
+ struct amso_context *context = to_amso_ctx(ibctx);
+
+ free(context);
+}
+
+static struct ibv_device_ops amso_dev_ops = {
+ .alloc_context = amso_alloc_context,
+ .free_context = amso_free_context
+};
+
+struct ibv_device *ibv_driver_init(const char *uverbs_sys_path,
+ int abi_version)
+{
+ char value[8];
+ struct amso_device *dev;
+ unsigned vendor, device;
+ int i;
+
+ if (ibv_read_sysfs_file(uverbs_sys_path, "device/vendor",
+ value, sizeof value) < 0)
+ return NULL;
+ sscanf(value, "%i", &vendor);
+
+ if (ibv_read_sysfs_file(uverbs_sys_path, "device/device",
+ value, sizeof value) < 0)
+ return NULL;
+ sscanf(value, "%i", &device);
+
+
+ for (i = 0; i < sizeof hca_table / sizeof hca_table[0]; ++i)
+ if (vendor == hca_table[i].vendor &&
+ device == hca_table[i].device)
+ goto found;
+
+ return NULL;
+
+found:
+ dev = malloc(sizeof *dev);
+ if (!dev) {
+ return NULL;
+ }
+
+ dev->ibv_dev.ops = amso_dev_ops;
+ dev->hca_type = hca_table[i].type;
+ dev->page_size = sysconf(_SC_PAGESIZE);
+
+ return &dev->ibv_dev;
+}
+
+#ifdef HAVE_SYSFS_LIBSYSFS_H
+struct ibv_device *openib_driver_init(struct sysfs_class_device *sysdev)
+{
+ int abi_ver = 0;
+ char value[8];
+
+ if (ibv_read_sysfs_file(sysdev->path, "abi_version",
+ value, sizeof value) > 0)
+ abi_ver = strtol(value, NULL, 10);
+
+ return ibv_driver_init(sysdev->path, abi_ver);
+}
+#endif /* HAVE_SYSFS_LIBSYSFS_H */
diff --git a/libamso/src/amso.h b/libamso/src/amso.h
new file mode 100644
index 0000000..eea4319
--- /dev/null
+++ b/libamso/src/amso.h
@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved.
+ *
+ * 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 from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 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.
+ */
+#ifndef AMSO_H
+#define AMSO_H
+
+#include <infiniband/driver.h>
+#include <infiniband/arch.h>
+
+#define HIDDEN __attribute__((visibility ("hidden")))
+
+#define PFX "amso: "
+
+enum amso_hca_type {
+ AMSO_1100
+};
+
+struct amso_device {
+ struct ibv_device ibv_dev;
+ enum amso_hca_type hca_type;
+ int page_size;
+};
+
+struct amso_context {
+ struct ibv_context ibv_ctx;
+};
+
+struct amso_pd {
+ struct ibv_pd ibv_pd;
+};
+
+struct amso_cq {
+ struct ibv_cq ibv_cq;
+ __u32 cqid;
+ __u32 entries;
+ __u64 physaddr;
+ __u64 queue;
+};
+
+struct amso_qp {
+ struct ibv_qp ibv_qp;
+ __u32 qpid;
+ __u32 entries;
+ __u64 physaddr;
+ __u64 physsize;
+ __u64 queue;
+};
+
+#define to_amso_xxx(xxx, type) \
+ ((struct amso_##type *) \
+ ((void *) ib##xxx - offsetof(struct amso_##type, ibv_##xxx)))
+
+static inline struct amso_device *to_amso_dev(struct ibv_device *ibdev)
+{
+ return to_amso_xxx(dev, device);
+}
+
+static inline struct amso_context *to_amso_ctx(struct ibv_context *ibctx)
+{
+ return to_amso_xxx(ctx, context);
+}
+
+static inline struct amso_pd *to_amso_pd(struct ibv_pd *ibpd)
+{
+ return to_amso_xxx(pd, pd);
+}
+
+static inline struct amso_cq *to_amso_cq(struct ibv_cq *ibcq)
+{
+ return to_amso_xxx(cq, cq);
+}
+
+static inline struct amso_qp *to_amso_qp(struct ibv_qp *ibqp)
+{
+ return to_amso_xxx(qp, qp);
+}
+
+
+extern int amso_query_device(struct ibv_context *context,
+ struct ibv_device_attr *attr);
+extern int amso_query_port(struct ibv_context *context, uint8_t port,
+ struct ibv_port_attr *attr);
+
+extern struct ibv_pd *amso_alloc_pd(struct ibv_context *context);
+extern int amso_free_pd(struct ibv_pd *pd);
+
+extern struct ibv_mr *amso_reg_mr(struct ibv_pd *pd, void *addr,
+ size_t length, enum ibv_access_flags access);
+extern int amso_dereg_mr(struct ibv_mr *mr);
+
+struct ibv_cq *amso_create_cq(struct ibv_context *context, int cqe,
+ struct ibv_comp_channel *channel,
+ int comp_vector);
+extern int amso_resize_cq(struct ibv_cq *cq, int cqe);
+extern int amso_destroy_cq(struct ibv_cq *cq);
+extern int amso_poll_cq(struct ibv_cq *cq, int ne, struct ibv_wc *wc);
+extern int amso_arm_cq(struct ibv_cq *cq, int solicited);
+extern void amso_cq_event(struct ibv_cq *cq);
+extern void amso_init_cq_buf(struct amso_cq *cq, int nent);
+
+extern struct ibv_srq *amso_create_srq(struct ibv_pd *pd,
+ struct ibv_srq_init_attr *attr);
+extern int amso_modify_srq(struct ibv_srq *srq,
+ struct ibv_srq_attr *attr,
+ enum ibv_srq_attr_mask mask);
+extern int amso_destroy_srq(struct ibv_srq *srq);
+extern int amso_post_srq_recv(struct ibv_srq *ibsrq,
+ struct ibv_recv_wr *wr,
+ struct ibv_recv_wr **bad_wr);
+
+extern struct ibv_qp *amso_create_qp(struct ibv_pd *pd,
+ struct ibv_qp_init_attr *attr);
+extern int amso_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr,
+ enum ibv_qp_attr_mask attr_mask);
+extern int amso_destroy_qp(struct ibv_qp *qp);
+extern int amso_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr,
+ struct ibv_send_wr **bad_wr);
+extern int amso_post_recv(struct ibv_qp *ibqp, struct ibv_recv_wr *wr,
+ struct ibv_recv_wr **bad_wr);
+extern struct ibv_ah *amso_create_ah(struct ibv_pd *pd,
+ struct ibv_ah_attr *ah_attr);
+extern int amso_destroy_ah(struct ibv_ah *ah);
+extern int amso_attach_mcast(struct ibv_qp *qp, union ibv_gid *gid,
+ uint16_t lid);
+extern int amso_detach_mcast(struct ibv_qp *qp, union ibv_gid *gid,
+ uint16_t lid);
+
+#endif /* AMSO_H */
diff --git a/libamso/src/amso.map b/libamso/src/amso.map
new file mode 100644
index 0000000..59a8bae
--- /dev/null
+++ b/libamso/src/amso.map
@@ -0,0 +1,6 @@
+{
+ global:
+ ibv_driver_init;
+ openib_driver_init;
+ local: *;
+};
diff --git a/libamso/src/cq.c b/libamso/src/cq.c
new file mode 100644
index 0000000..65360ce
--- /dev/null
+++ b/libamso/src/cq.c
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved.
+ *
+ * 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 from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 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.
+ */
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <stdio.h>
+#include <netinet/in.h>
+#include <pthread.h>
+
+#include <infiniband/opcode.h>
+
+#include "amso.h"
+#include "amso-abi.h"
+
+
+int amso_poll_cq(struct ibv_cq *ibcq, int ne, struct ibv_wc *wc)
+{
+ return ibv_cmd_poll_cq(ibcq, ne, wc);
+}
+
+
+int amso_arm_cq(struct ibv_cq *cq, int solicited)
+{
+ return ibv_cmd_req_notify_cq(cq, solicited);
+}
+
+
diff --git a/libamso/src/qp.c b/libamso/src/qp.c
new file mode 100644
index 0000000..e0d99bb
--- /dev/null
+++ b/libamso/src/qp.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
+ * Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved.
+ *
+ * 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 from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 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.
+ */
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <stdlib.h>
+#include <netinet/in.h>
+#include <pthread.h>
+
+#include "amso.h"
+#include <stdio.h>
+
+int amso_post_send(struct ibv_qp *ibqp, struct ibv_send_wr *wr,
+ struct ibv_send_wr **bad_wr)
+{
+ return ibv_cmd_post_send(ibqp, wr, bad_wr);
+}
+
+int amso_post_recv(struct ibv_qp *ibqp, struct ibv_recv_wr *wr,
+ struct ibv_recv_wr **bad_wr)
+{
+ return ibv_cmd_post_recv(ibqp, wr, bad_wr);
+}
+
diff --git a/libamso/src/verbs.c b/libamso/src/verbs.c
new file mode 100644
index 0000000..1cd79d8
--- /dev/null
+++ b/libamso/src/verbs.c
@@ -0,0 +1,303 @@
+/*
+ * Copyright (c) 2006 Chelsio, Inc. All rights reserved.
+ * Copyright (c) 2006 Open Grid Computing, Inc. All rights reserved.
+ *
+ * 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 from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * 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.
+ */
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif /* HAVE_CONFIG_H */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <strings.h>
+#include <errno.h>
+#include <pthread.h>
+#include <sys/mman.h>
+#include <netinet/in.h>
+
+#include "amso.h"
+#include "amso-abi.h"
+
+
+int amso_query_device(struct ibv_context *context, struct ibv_device_attr *attr)
+{
+ struct ibv_query_device cmd;
+ uint64_t raw_fw_ver;
+ unsigned major, minor, sub_minor;
+ int ret;
+
+ ret =
+ ibv_cmd_query_device(context, attr, &raw_fw_ver, &cmd, sizeof cmd);
+ if (ret)
+ return ret;
+
+ major = (raw_fw_ver >> 32) & 0xffff;
+ minor = (raw_fw_ver >> 16) & 0xffff;
+ sub_minor = raw_fw_ver & 0xffff;
+
+ snprintf(attr->fw_ver, sizeof attr->fw_ver,
+ "%d.%d.%d", major, minor, sub_minor);
+
+ return 0;
+}
+
+int amso_query_port(struct ibv_context *context, uint8_t port,
+ struct ibv_port_attr *attr)
+{
+ struct ibv_query_port cmd;
+
+ return ibv_cmd_query_port(context, port, attr, &cmd, sizeof cmd);
+}
+
+struct ibv_pd *amso_alloc_pd(struct ibv_context *context)
+{
+ struct ibv_alloc_pd cmd;
+ struct amso_alloc_pd_resp resp;
+ struct amso_pd *pd;
+
+ pd = malloc(sizeof *pd);
+ if (!pd)
+ return NULL;
+
+ if (ibv_cmd_alloc_pd(context, &pd->ibv_pd, &cmd, sizeof cmd,
+ &resp.ibv_resp, sizeof resp)) {
+ free(pd);
+ return NULL;
+ }
+
+ return &pd->ibv_pd;
+}
+
+int amso_free_pd(struct ibv_pd *pd)
+{
+ int ret;
+
+ ret = ibv_cmd_dealloc_pd(pd);
+ if (ret)
+ return ret;
+
+ free(pd);
+ return 0;
+}
+
+static struct ibv_mr *__amso_reg_mr(struct ibv_pd *pd, void *addr,
+ size_t length, uint64_t hca_va,
+ enum ibv_access_flags access)
+{
+ struct ibv_mr *mr;
+ struct ibv_reg_mr cmd;
+
+ mr = malloc(sizeof *mr);
+ if (!mr)
+ return NULL;
+
+ if (ibv_cmd_reg_mr(pd, addr, length, hca_va,
+ access, mr, &cmd, sizeof cmd)) {
+ free(mr);
+ return NULL;
+ }
+
+ return mr;
+}
+
+struct ibv_mr *amso_reg_mr(struct ibv_pd *pd, void *addr,
+ size_t length, enum ibv_access_flags access)
+{
+ return __amso_reg_mr(pd, addr, length, (uintptr_t) addr, access);
+}
+
+int amso_dereg_mr(struct ibv_mr *mr)
+{
+ int ret;
+
+ ret = ibv_cmd_dereg_mr(mr);
+ if (ret)
+ return ret;
+
+ free(mr);
+ return 0;
+}
+
+struct ibv_cq *amso_create_cq(struct ibv_context *context, int cqe,
+ struct ibv_comp_channel *channel, int comp_vector)
+{
+ struct amso_create_cq cmd;
+ struct amso_create_cq_resp resp;
+ struct amso_cq *cq;
+ int ret;
+
+ cq = malloc(sizeof *cq);
+ if (!cq) {
+ goto err;
+ }
+
+ ret = ibv_cmd_create_cq(context, cqe, channel, comp_vector,
+ &cq->ibv_cq, &cmd.ibv_cmd, sizeof cmd,
+ &resp.ibv_resp, sizeof resp);
+ if (ret)
+ goto err;
+
+#if 0 /* A reminder for bypass functionality */
+ cq->physaddr = resp.physaddr;
+ cq->queue =
+ (unsigned long) mmap(NULL, cqe * sizeof(struct t3_cqe), PROT_WRITE,
+ MAP_SHARED, context->cmd_fd, cq->physaddr);
+#endif
+
+ return &cq->ibv_cq;
+
+
+err:
+ free(cq);
+
+ return NULL;
+}
+
+int amso_resize_cq(struct ibv_cq *cq, int cqe)
+{
+ int ret;
+ struct ibv_resize_cq cmd;
+
+ ret = ibv_cmd_resize_cq(cq, cqe, &cmd, sizeof cmd);
+ if (ret)
+ return ret;
+ /* We will need to unmap and remap when we implement user mode */
+
+ return 0;
+}
+
+int amso_destroy_cq(struct ibv_cq *cq)
+{
+ int ret;
+
+ ret = ibv_cmd_destroy_cq(cq);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+struct ibv_srq *amso_create_srq(struct ibv_pd *pd,
+ struct ibv_srq_init_attr *attr)
+{
+ return (void *) -ENOSYS;
+}
+
+int amso_modify_srq(struct ibv_srq *srq,
+ struct ibv_srq_attr *attr, enum ibv_srq_attr_mask attr_mask)
+{
+ return -ENOSYS;
+}
+
+int amso_destroy_srq(struct ibv_srq *srq)
+{
+ return -ENOSYS;
+}
+
+int amso_post_srq_recv(struct ibv_srq *ibsrq,
+ struct ibv_recv_wr *wr, struct ibv_recv_wr **bad_wr)
+{
+ return -ENOSYS;
+}
+
+struct ibv_qp *amso_create_qp(struct ibv_pd *pd, struct ibv_qp_init_attr *attr)
+{
+ struct amso_create_qp cmd;
+ struct amso_create_qp_resp resp;
+ struct amso_qp *qp;
+ int ret;
+
+ /* Sanity check QP size before proceeding */
+ if (attr->cap.max_send_wr > 65536 ||
+ attr->cap.max_recv_wr > 65536 ||
+ attr->cap.max_send_sge > 4 ||
+ attr->cap.max_recv_sge > 4 || attr->cap.max_inline_data > 1024)
+ return NULL;
+
+ qp = malloc(sizeof *qp);
+ if (!qp)
+ return NULL;
+
+ ret = ibv_cmd_create_qp(pd, &qp->ibv_qp, attr, &cmd.ibv_cmd, sizeof cmd,
+ &resp.ibv_resp, sizeof resp);
+ if (ret)
+ return NULL;
+
+#if 0 /* A reminder for bypass functionality */
+ qp->physaddr = resp.physaddr;
+#endif
+
+ return &qp->ibv_qp;
+
+
+ return NULL;
+}
+
+int amso_modify_qp(struct ibv_qp *qp, struct ibv_qp_attr *attr,
+ enum ibv_qp_attr_mask attr_mask)
+{
+ struct ibv_modify_qp cmd;
+
+ return ibv_cmd_modify_qp(qp, attr, attr_mask, &cmd, sizeof cmd);
+}
+
+int amso_destroy_qp(struct ibv_qp *qp)
+{
+ int ret;
+
+ ret = ibv_cmd_destroy_qp(qp);
+ if (ret)
+ return ret;
+
+ free(qp);
+
+ return 0;
+}
+
+struct ibv_ah *amso_create_ah(struct ibv_pd *pd, struct ibv_ah_attr *attr)
+{
+ return (void *) -ENOSYS;
+}
+
+int amso_destroy_ah(struct ibv_ah *ah)
+{
+ return -ENOSYS;
+}
+
+int amso_attach_mcast(struct ibv_qp *qp, union ibv_gid *gid, uint16_t lid)
+{
+ return -ENOSYS;
+}
+
+int amso_detach_mcast(struct ibv_qp *qp, union ibv_gid *gid, uint16_t lid)
+{
+ return -ENOSYS;
+}
+
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