[mirror_ubuntu-eoan-kernel.git] / drivers / infiniband / hw / vmw_pvrdma / pvrdma.h

/*
 * Copyright (c) 2012-2016 VMware, Inc.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of EITHER the GNU General Public License
 * version 2 as published by the Free Software Foundation or the BSD
 * 2-Clause License. This program is distributed in the hope that it
 * will be useful, but WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED
 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License version 2 for more details at
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program available in the file COPYING in the main
 * directory of this source tree.
 *
 * The BSD 2-Clause License
 *
 *     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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __PVRDMA_H__
#define __PVRDMA_H__

#include <linux/compiler.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/semaphore.h>
#include <linux/workqueue.h>
#include <rdma/ib_umem.h>
#include <rdma/ib_verbs.h>
#include <rdma/vmw_pvrdma-abi.h>

#include "pvrdma_ring.h"
#include "pvrdma_dev_api.h"
#include "pvrdma_verbs.h"

/* NOT the same as BIT_MASK(). */
#define PVRDMA_MASK(n) ((n << 1) - 1)

/*
 * VMware PVRDMA PCI device id.
 */
#define PCI_DEVICE_ID_VMWARE_PVRDMA	0x0820

#define PVRDMA_NUM_RING_PAGES		4
#define PVRDMA_QP_NUM_HEADER_PAGES	1

struct pvrdma_dev;

struct pvrdma_page_dir {
	dma_addr_t dir_dma;
	u64 *dir;
	int ntables;
	u64 **tables;
	u64 npages;
	void **pages;
};

struct pvrdma_cq {
	struct ib_cq ibcq;
	int offset;
	spinlock_t cq_lock; /* Poll lock. */
	struct pvrdma_uar_map *uar;
	struct ib_umem *umem;
	struct pvrdma_ring_state *ring_state;
	struct pvrdma_page_dir pdir;
	u32 cq_handle;
	bool is_kernel;
	atomic_t refcnt;
	wait_queue_head_t wait;
};

struct pvrdma_id_table {
	u32 last;
	u32 top;
	u32 max;
	u32 mask;
	spinlock_t lock; /* Table lock. */
	unsigned long *table;
};

struct pvrdma_uar_map {
	unsigned long pfn;
	void __iomem *map;
	int index;
};

struct pvrdma_uar_table {
	struct pvrdma_id_table tbl;
	int size;
};

struct pvrdma_ucontext {
	struct ib_ucontext ibucontext;
	struct pvrdma_dev *dev;
	struct pvrdma_uar_map uar;
	u64 ctx_handle;
};

struct pvrdma_pd {
	struct ib_pd ibpd;
	u32 pdn;
	u32 pd_handle;
	int privileged;
};

struct pvrdma_mr {
	u32 mr_handle;
	u64 iova;
	u64 size;
};

struct pvrdma_user_mr {
	struct ib_mr ibmr;
	struct ib_umem *umem;
	struct pvrdma_mr mmr;
	struct pvrdma_page_dir pdir;
	u64 *pages;
	u32 npages;
	u32 max_pages;
	u32 page_shift;
};

struct pvrdma_wq {
	struct pvrdma_ring *ring;
	spinlock_t lock; /* Work queue lock. */
	int wqe_cnt;
	int wqe_size;
	int max_sg;
	int offset;
};

struct pvrdma_ah {
	struct ib_ah ibah;
	struct pvrdma_av av;
};

struct pvrdma_qp {
	struct ib_qp ibqp;
	u32 qp_handle;
	u32 qkey;
	struct pvrdma_wq sq;
	struct pvrdma_wq rq;
	struct ib_umem *rumem;
	struct ib_umem *sumem;
	struct pvrdma_page_dir pdir;
	int npages;
	int npages_send;
	int npages_recv;
	u32 flags;
	u8 port;
	u8 state;
	bool is_kernel;
	struct mutex mutex; /* QP state mutex. */
	atomic_t refcnt;
	wait_queue_head_t wait;
};

struct pvrdma_dev {
	/* PCI device-related information. */
	struct ib_device ib_dev;
	struct pci_dev *pdev;
	void __iomem *regs;
	struct pvrdma_device_shared_region *dsr; /* Shared region pointer */
	dma_addr_t dsrbase; /* Shared region base address */
	void *cmd_slot;
	void *resp_slot;
	unsigned long flags;
	struct list_head device_link;

	/* Locking and interrupt information. */
	spinlock_t cmd_lock; /* Command lock. */
	struct semaphore cmd_sema;
	struct completion cmd_done;
	unsigned int nr_vectors;

	/* RDMA-related device information. */
	union ib_gid *sgid_tbl;
	struct pvrdma_ring_state *async_ring_state;
	struct pvrdma_page_dir async_pdir;
	struct pvrdma_ring_state *cq_ring_state;
	struct pvrdma_page_dir cq_pdir;
	struct pvrdma_cq **cq_tbl;
	spinlock_t cq_tbl_lock;
	struct pvrdma_qp **qp_tbl;
	spinlock_t qp_tbl_lock;
	struct pvrdma_uar_table uar_table;
	struct pvrdma_uar_map driver_uar;
	__be64 sys_image_guid;
	spinlock_t desc_lock; /* Device modification lock. */
	u32 port_cap_mask;
	struct mutex port_mutex; /* Port modification mutex. */
	bool ib_active;
	atomic_t num_qps;
	atomic_t num_cqs;
	atomic_t num_pds;
	atomic_t num_ahs;

	/* Network device information. */
	struct net_device *netdev;
	struct notifier_block nb_netdev;
};

struct pvrdma_netdevice_work {
	struct work_struct work;
	struct net_device *event_netdev;
	unsigned long event;
};

static inline struct pvrdma_dev *to_vdev(struct ib_device *ibdev)
{
	return container_of(ibdev, struct pvrdma_dev, ib_dev);
}

static inline struct
pvrdma_ucontext *to_vucontext(struct ib_ucontext *ibucontext)
{
	return container_of(ibucontext, struct pvrdma_ucontext, ibucontext);
}

static inline struct pvrdma_pd *to_vpd(struct ib_pd *ibpd)
{
	return container_of(ibpd, struct pvrdma_pd, ibpd);
}

static inline struct pvrdma_cq *to_vcq(struct ib_cq *ibcq)
{
	return container_of(ibcq, struct pvrdma_cq, ibcq);
}

static inline struct pvrdma_user_mr *to_vmr(struct ib_mr *ibmr)
{
	return container_of(ibmr, struct pvrdma_user_mr, ibmr);
}

static inline struct pvrdma_qp *to_vqp(struct ib_qp *ibqp)
{
	return container_of(ibqp, struct pvrdma_qp, ibqp);
}

static inline struct pvrdma_ah *to_vah(struct ib_ah *ibah)
{
	return container_of(ibah, struct pvrdma_ah, ibah);
}

static inline void pvrdma_write_reg(struct pvrdma_dev *dev, u32 reg, u32 val)
{
	writel(cpu_to_le32(val), dev->regs + reg);
}

static inline u32 pvrdma_read_reg(struct pvrdma_dev *dev, u32 reg)
{
	return le32_to_cpu(readl(dev->regs + reg));
}

static inline void pvrdma_write_uar_cq(struct pvrdma_dev *dev, u32 val)
{
	writel(cpu_to_le32(val), dev->driver_uar.map + PVRDMA_UAR_CQ_OFFSET);
}

static inline void pvrdma_write_uar_qp(struct pvrdma_dev *dev, u32 val)
{
	writel(cpu_to_le32(val), dev->driver_uar.map + PVRDMA_UAR_QP_OFFSET);
}

static inline void *pvrdma_page_dir_get_ptr(struct pvrdma_page_dir *pdir,
					    u64 offset)
{
	return pdir->pages[offset / PAGE_SIZE] + (offset % PAGE_SIZE);
}

static inline enum pvrdma_mtu ib_mtu_to_pvrdma(enum ib_mtu mtu)
{
	return (enum pvrdma_mtu)mtu;
}

static inline enum ib_mtu pvrdma_mtu_to_ib(enum pvrdma_mtu mtu)
{
	return (enum ib_mtu)mtu;
}

static inline enum pvrdma_port_state ib_port_state_to_pvrdma(
					enum ib_port_state state)
{
	return (enum pvrdma_port_state)state;
}

static inline enum ib_port_state pvrdma_port_state_to_ib(
					enum pvrdma_port_state state)
{
	return (enum ib_port_state)state;
}

static inline int ib_port_cap_flags_to_pvrdma(int flags)
{
	return flags & PVRDMA_MASK(PVRDMA_PORT_CAP_FLAGS_MAX);
}

static inline int pvrdma_port_cap_flags_to_ib(int flags)
{
	return flags;
}

static inline enum pvrdma_port_width ib_port_width_to_pvrdma(
					enum ib_port_width width)
{
	return (enum pvrdma_port_width)width;
}

static inline enum ib_port_width pvrdma_port_width_to_ib(
					enum pvrdma_port_width width)
{
	return (enum ib_port_width)width;
}

static inline enum pvrdma_port_speed ib_port_speed_to_pvrdma(
					enum ib_port_speed speed)
{
	return (enum pvrdma_port_speed)speed;
}

static inline enum ib_port_speed pvrdma_port_speed_to_ib(
					enum pvrdma_port_speed speed)
{
	return (enum ib_port_speed)speed;
}

static inline int pvrdma_qp_attr_mask_to_ib(int attr_mask)
{
	return attr_mask;
}

static inline int ib_qp_attr_mask_to_pvrdma(int attr_mask)
{
	return attr_mask & PVRDMA_MASK(PVRDMA_QP_ATTR_MASK_MAX);
}

static inline enum pvrdma_mig_state ib_mig_state_to_pvrdma(
					enum ib_mig_state state)
{
	return (enum pvrdma_mig_state)state;
}

static inline enum ib_mig_state pvrdma_mig_state_to_ib(
					enum pvrdma_mig_state state)
{
	return (enum ib_mig_state)state;
}

static inline int ib_access_flags_to_pvrdma(int flags)
{
	return flags;
}

static inline int pvrdma_access_flags_to_ib(int flags)
{
	return flags & PVRDMA_MASK(PVRDMA_ACCESS_FLAGS_MAX);
}

static inline enum pvrdma_qp_type ib_qp_type_to_pvrdma(enum ib_qp_type type)
{
	return (enum pvrdma_qp_type)type;
}

static inline enum ib_qp_type pvrdma_qp_type_to_ib(enum pvrdma_qp_type type)
{
	return (enum ib_qp_type)type;
}

static inline enum pvrdma_qp_state ib_qp_state_to_pvrdma(enum ib_qp_state state)
{
	return (enum pvrdma_qp_state)state;
}

static inline enum ib_qp_state pvrdma_qp_state_to_ib(enum pvrdma_qp_state state)
{
	return (enum ib_qp_state)state;
}

static inline enum pvrdma_wr_opcode ib_wr_opcode_to_pvrdma(enum ib_wr_opcode op)
{
	return (enum pvrdma_wr_opcode)op;
}

static inline enum ib_wc_status pvrdma_wc_status_to_ib(
					enum pvrdma_wc_status status)
{
	return (enum ib_wc_status)status;
}

static inline int pvrdma_wc_opcode_to_ib(int opcode)
{
	return opcode;
}

static inline int pvrdma_wc_flags_to_ib(int flags)
{
	return flags;
}

static inline int ib_send_flags_to_pvrdma(int flags)
{
	return flags & PVRDMA_MASK(PVRDMA_SEND_FLAGS_MAX);
}

void pvrdma_qp_cap_to_ib(struct ib_qp_cap *dst,
			 const struct pvrdma_qp_cap *src);
void ib_qp_cap_to_pvrdma(struct pvrdma_qp_cap *dst,
			 const struct ib_qp_cap *src);
void pvrdma_gid_to_ib(union ib_gid *dst, const union pvrdma_gid *src);
void ib_gid_to_pvrdma(union pvrdma_gid *dst, const union ib_gid *src);
void pvrdma_global_route_to_ib(struct ib_global_route *dst,
			       const struct pvrdma_global_route *src);
void ib_global_route_to_pvrdma(struct pvrdma_global_route *dst,
			       const struct ib_global_route *src);
void pvrdma_ah_attr_to_ib(struct ib_ah_attr *dst,
			  const struct pvrdma_ah_attr *src);
void ib_ah_attr_to_pvrdma(struct pvrdma_ah_attr *dst,
			  const struct ib_ah_attr *src);

int pvrdma_uar_table_init(struct pvrdma_dev *dev);
void pvrdma_uar_table_cleanup(struct pvrdma_dev *dev);

int pvrdma_uar_alloc(struct pvrdma_dev *dev, struct pvrdma_uar_map *uar);
void pvrdma_uar_free(struct pvrdma_dev *dev, struct pvrdma_uar_map *uar);

void _pvrdma_flush_cqe(struct pvrdma_qp *qp, struct pvrdma_cq *cq);

int pvrdma_page_dir_init(struct pvrdma_dev *dev, struct pvrdma_page_dir *pdir,
			 u64 npages, bool alloc_pages);
void pvrdma_page_dir_cleanup(struct pvrdma_dev *dev,
			     struct pvrdma_page_dir *pdir);
int pvrdma_page_dir_insert_dma(struct pvrdma_page_dir *pdir, u64 idx,
			       dma_addr_t daddr);
int pvrdma_page_dir_insert_umem(struct pvrdma_page_dir *pdir,
				struct ib_umem *umem, u64 offset);
dma_addr_t pvrdma_page_dir_get_dma(struct pvrdma_page_dir *pdir, u64 idx);
int pvrdma_page_dir_insert_page_list(struct pvrdma_page_dir *pdir,
				     u64 *page_list, int num_pages);

int pvrdma_cmd_post(struct pvrdma_dev *dev, union pvrdma_cmd_req *req,
		    union pvrdma_cmd_resp *rsp, unsigned resp_code);

#endif /* __PVRDMA_H__ */
Commit	Line	Data
29c8d9eb AR	1	/*
	2	* Copyright (c) 2012-2016 VMware, Inc. All rights reserved.
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of EITHER the GNU General Public License
	6	* version 2 as published by the Free Software Foundation or the BSD
	7	* 2-Clause License. This program is distributed in the hope that it
	8	* will be useful, but WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED
	9	* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
	10	* See the GNU General Public License version 2 for more details at
	11	* http://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html.
	12	*
	13	* You should have received a copy of the GNU General Public License
	14	* along with this program available in the file COPYING in the main
	15	* directory of this source tree.
	16	*
	17	* The BSD 2-Clause License
	18	*
	19	* Redistribution and use in source and binary forms, with or
	20	* without modification, are permitted provided that the following
	21	* conditions are met:
	22	*
	23	* - Redistributions of source code must retain the above
	24	* copyright notice, this list of conditions and the following
	25	* disclaimer.
	26	*
	27	* - Redistributions in binary form must reproduce the above
	28	* copyright notice, this list of conditions and the following
	29	* disclaimer in the documentation and/or other materials
	30	* provided with the distribution.
	31	*
	32	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	33	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	34	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
	35	* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	36	* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
	37	* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
	38	* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
	39	* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	40	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	41	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	42	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
	43	* OF THE POSSIBILITY OF SUCH DAMAGE.
	44	*/
	45
	46	#ifndef __PVRDMA_H__
	47	#define __PVRDMA_H__
	48
	49	#include <linux/compiler.h>
	50	#include <linux/interrupt.h>
	51	#include <linux/list.h>
	52	#include <linux/mutex.h>
	53	#include <linux/pci.h>
	54	#include <linux/semaphore.h>
	55	#include <linux/workqueue.h>
	56	#include <rdma/ib_umem.h>
	57	#include <rdma/ib_verbs.h>
	58	#include <rdma/vmw_pvrdma-abi.h>
	59
	60	#include "pvrdma_ring.h"
	61	#include "pvrdma_dev_api.h"
	62	#include "pvrdma_verbs.h"
	63
	64	/* NOT the same as BIT_MASK(). */
65	#define PVRDMA_MASK(n) ((n << 1) - 1)
66
67	/*
68	* VMware PVRDMA PCI device id.
69	*/
70	#define PCI_DEVICE_ID_VMWARE_PVRDMA 0x0820
71
6332dee8	72	#define PVRDMA_NUM_RING_PAGES 4
e51c2fb0	73	#define PVRDMA_QP_NUM_HEADER_PAGES 1
6332dee8	74
29c8d9eb AR	75	struct pvrdma_dev;
	76
	77	struct pvrdma_page_dir {
	78	dma_addr_t dir_dma;
	79	u64 *dir;
	80	int ntables;
	81	u64 **tables;
	82	u64 npages;
	83	void **pages;
	84	};
	85
	86	struct pvrdma_cq {
	87	struct ib_cq ibcq;
	88	int offset;
	89	spinlock_t cq_lock; /* Poll lock. */
	90	struct pvrdma_uar_map *uar;
	91	struct ib_umem *umem;
	92	struct pvrdma_ring_state *ring_state;
	93	struct pvrdma_page_dir pdir;
	94	u32 cq_handle;
	95	bool is_kernel;
	96	atomic_t refcnt;
	97	wait_queue_head_t wait;
	98	};
	99
	100	struct pvrdma_id_table {
	101	u32 last;
	102	u32 top;
	103	u32 max;
	104	u32 mask;
	105	spinlock_t lock; /* Table lock. */
	106	unsigned long *table;
	107	};
	108
	109	struct pvrdma_uar_map {
	110	unsigned long pfn;
	111	void __iomem *map;
	112	int index;
	113	};
	114
	115	struct pvrdma_uar_table {
	116	struct pvrdma_id_table tbl;
	117	int size;
	118	};
	119
	120	struct pvrdma_ucontext {
	121	struct ib_ucontext ibucontext;
	122	struct pvrdma_dev *dev;
	123	struct pvrdma_uar_map uar;
	124	u64 ctx_handle;
	125	};
	126
	127	struct pvrdma_pd {
	128	struct ib_pd ibpd;
	129	u32 pdn;
	130	u32 pd_handle;
	131	int privileged;
	132	};
	133
	134	struct pvrdma_mr {
	135	u32 mr_handle;
	136	u64 iova;
	137	u64 size;
	138	};
139
140	struct pvrdma_user_mr {
141	struct ib_mr ibmr;
142	struct ib_umem *umem;
143	struct pvrdma_mr mmr;
144	struct pvrdma_page_dir pdir;
145	u64 *pages;
146	u32 npages;
147	u32 max_pages;
148	u32 page_shift;
149	};
150
151	struct pvrdma_wq {
152	struct pvrdma_ring *ring;
153	spinlock_t lock; /* Work queue lock. */
154	int wqe_cnt;
155	int wqe_size;
156	int max_sg;
157	int offset;
158	};
159
160	struct pvrdma_ah {
161	struct ib_ah ibah;
162	struct pvrdma_av av;
163	};
164
165	struct pvrdma_qp {
166	struct ib_qp ibqp;
167	u32 qp_handle;
168	u32 qkey;
169	struct pvrdma_wq sq;
170	struct pvrdma_wq rq;
171	struct ib_umem *rumem;
172	struct ib_umem *sumem;
173	struct pvrdma_page_dir pdir;
174	int npages;
175	int npages_send;
176	int npages_recv;
177	u32 flags;
178	u8 port;
179	u8 state;
180	bool is_kernel;
181	struct mutex mutex; /* QP state mutex. */
182	atomic_t refcnt;
183	wait_queue_head_t wait;
184	};
185
186	struct pvrdma_dev {
187	/* PCI device-related information. */
188	struct ib_device ib_dev;
189	struct pci_dev *pdev;
190	void __iomem *regs;
191	struct pvrdma_device_shared_region dsr; / Shared region pointer */
192	dma_addr_t dsrbase; /* Shared region base address */
193	void *cmd_slot;
194	void *resp_slot;
195	unsigned long flags;
196	struct list_head device_link;
197
198	/* Locking and interrupt information. */
199	spinlock_t cmd_lock; /* Command lock. */
200	struct semaphore cmd_sema;
201	struct completion cmd_done;
7bf3976d	202	unsigned int nr_vectors;
29c8d9eb AR	203
	204	/* RDMA-related device information. */
	205	union ib_gid *sgid_tbl;
	206	struct pvrdma_ring_state *async_ring_state;
	207	struct pvrdma_page_dir async_pdir;
	208	struct pvrdma_ring_state *cq_ring_state;
	209	struct pvrdma_page_dir cq_pdir;
	210	struct pvrdma_cq **cq_tbl;
	211	spinlock_t cq_tbl_lock;
	212	struct pvrdma_qp **qp_tbl;
	213	spinlock_t qp_tbl_lock;
	214	struct pvrdma_uar_table uar_table;
	215	struct pvrdma_uar_map driver_uar;
	216	__be64 sys_image_guid;
	217	spinlock_t desc_lock; /* Device modification lock. */
	218	u32 port_cap_mask;
	219	struct mutex port_mutex; /* Port modification mutex. */
	220	bool ib_active;
	221	atomic_t num_qps;
	222	atomic_t num_cqs;
	223	atomic_t num_pds;
	224	atomic_t num_ahs;
	225
	226	/* Network device information. */
	227	struct net_device *netdev;
	228	struct notifier_block nb_netdev;
	229	};
	230
	231	struct pvrdma_netdevice_work {
	232	struct work_struct work;
	233	struct net_device *event_netdev;
	234	unsigned long event;
	235	};
	236
	237	static inline struct pvrdma_dev to_vdev(struct ib_device ibdev)
	238	{
	239	return container_of(ibdev, struct pvrdma_dev, ib_dev);
	240	}
	241
	242	static inline struct
	243	pvrdma_ucontext to_vucontext(struct ib_ucontext ibucontext)
	244	{
	245	return container_of(ibucontext, struct pvrdma_ucontext, ibucontext);
	246	}
	247
	248	static inline struct pvrdma_pd to_vpd(struct ib_pd ibpd)
	249	{
	250	return container_of(ibpd, struct pvrdma_pd, ibpd);
	251	}
	252
	253	static inline struct pvrdma_cq to_vcq(struct ib_cq ibcq)
	254	{
	255	return container_of(ibcq, struct pvrdma_cq, ibcq);
	256	}
	257
	258	static inline struct pvrdma_user_mr to_vmr(struct ib_mr ibmr)
	259	{
	260	return container_of(ibmr, struct pvrdma_user_mr, ibmr);
	261	}
	262
	263	static inline struct pvrdma_qp to_vqp(struct ib_qp ibqp)
	264	{
	265	return container_of(ibqp, struct pvrdma_qp, ibqp);
	266	}
267
268	static inline struct pvrdma_ah to_vah(struct ib_ah ibah)
269	{
270	return container_of(ibah, struct pvrdma_ah, ibah);
271	}
272
273	static inline void pvrdma_write_reg(struct pvrdma_dev *dev, u32 reg, u32 val)
274	{
275	writel(cpu_to_le32(val), dev->regs + reg);
276	}
277
278	static inline u32 pvrdma_read_reg(struct pvrdma_dev *dev, u32 reg)
279	{
280	return le32_to_cpu(readl(dev->regs + reg));
281	}
282
283	static inline void pvrdma_write_uar_cq(struct pvrdma_dev *dev, u32 val)
284	{
285	writel(cpu_to_le32(val), dev->driver_uar.map + PVRDMA_UAR_CQ_OFFSET);
286	}
287
288	static inline void pvrdma_write_uar_qp(struct pvrdma_dev *dev, u32 val)
289	{
290	writel(cpu_to_le32(val), dev->driver_uar.map + PVRDMA_UAR_QP_OFFSET);
291	}
292
293	static inline void pvrdma_page_dir_get_ptr(struct pvrdma_page_dir pdir,
294	u64 offset)
295	{
296	return pdir->pages[offset / PAGE_SIZE] + (offset % PAGE_SIZE);
297	}
298
299	static inline enum pvrdma_mtu ib_mtu_to_pvrdma(enum ib_mtu mtu)
300	{
301	return (enum pvrdma_mtu)mtu;
302	}
303
304	static inline enum ib_mtu pvrdma_mtu_to_ib(enum pvrdma_mtu mtu)
305	{
306	return (enum ib_mtu)mtu;
307	}
308
309	static inline enum pvrdma_port_state ib_port_state_to_pvrdma(
310	enum ib_port_state state)
311	{
312	return (enum pvrdma_port_state)state;
313	}
314
315	static inline enum ib_port_state pvrdma_port_state_to_ib(
316	enum pvrdma_port_state state)
317	{
318	return (enum ib_port_state)state;
319	}
320
321	static inline int ib_port_cap_flags_to_pvrdma(int flags)
322	{
323	return flags & PVRDMA_MASK(PVRDMA_PORT_CAP_FLAGS_MAX);
324	}
325
326	static inline int pvrdma_port_cap_flags_to_ib(int flags)
327	{
328	return flags;
329	}
330
331	static inline enum pvrdma_port_width ib_port_width_to_pvrdma(
332	enum ib_port_width width)
333	{
334	return (enum pvrdma_port_width)width;
335	}
336
337	static inline enum ib_port_width pvrdma_port_width_to_ib(
338	enum pvrdma_port_width width)
339	{
340	return (enum ib_port_width)width;
341	}
342
343	static inline enum pvrdma_port_speed ib_port_speed_to_pvrdma(
344	enum ib_port_speed speed)
345	{
346	return (enum pvrdma_port_speed)speed;
347	}
348
349	static inline enum ib_port_speed pvrdma_port_speed_to_ib(
350	enum pvrdma_port_speed speed)
351	{
352	return (enum ib_port_speed)speed;
353	}
354
355	static inline int pvrdma_qp_attr_mask_to_ib(int attr_mask)
356	{
357	return attr_mask;
358	}
359
360	static inline int ib_qp_attr_mask_to_pvrdma(int attr_mask)
361	{
362	return attr_mask & PVRDMA_MASK(PVRDMA_QP_ATTR_MASK_MAX);
363	}
364
365	static inline enum pvrdma_mig_state ib_mig_state_to_pvrdma(
366	enum ib_mig_state state)
367	{
368	return (enum pvrdma_mig_state)state;
369	}
370
371	static inline enum ib_mig_state pvrdma_mig_state_to_ib(
372	enum pvrdma_mig_state state)
373	{
374	return (enum ib_mig_state)state;
375	}
376
377	static inline int ib_access_flags_to_pvrdma(int flags)
378	{
379	return flags;
380	}
381
382	static inline int pvrdma_access_flags_to_ib(int flags)
383	{
384	return flags & PVRDMA_MASK(PVRDMA_ACCESS_FLAGS_MAX);
385	}
386
387	static inline enum pvrdma_qp_type ib_qp_type_to_pvrdma(enum ib_qp_type type)
388	{
389	return (enum pvrdma_qp_type)type;
390	}
391
392	static inline enum ib_qp_type pvrdma_qp_type_to_ib(enum pvrdma_qp_type type)
393	{
394	return (enum ib_qp_type)type;
395	}
396
397	static inline enum pvrdma_qp_state ib_qp_state_to_pvrdma(enum ib_qp_state state)
398	{
399	return (enum pvrdma_qp_state)state;
400	}
401
402	static inline enum ib_qp_state pvrdma_qp_state_to_ib(enum pvrdma_qp_state state)
403	{
404	return (enum ib_qp_state)state;
405	}
406
407	static inline enum pvrdma_wr_opcode ib_wr_opcode_to_pvrdma(enum ib_wr_opcode op)
408	{
409	return (enum pvrdma_wr_opcode)op;
410	}
411
412	static inline enum ib_wc_status pvrdma_wc_status_to_ib(
413	enum pvrdma_wc_status status)
414	{
415	return (enum ib_wc_status)status;
416	}
417
418	static inline int pvrdma_wc_opcode_to_ib(int opcode)
419	{
420	return opcode;
421	}
422
423	static inline int pvrdma_wc_flags_to_ib(int flags)
424	{
425	return flags;
426	}
427
428	static inline int ib_send_flags_to_pvrdma(int flags)
429	{
430	return flags & PVRDMA_MASK(PVRDMA_SEND_FLAGS_MAX);
431	}
432
433	void pvrdma_qp_cap_to_ib(struct ib_qp_cap *dst,
434	const struct pvrdma_qp_cap *src);
435	void ib_qp_cap_to_pvrdma(struct pvrdma_qp_cap *dst,
436	const struct ib_qp_cap *src);
437	void pvrdma_gid_to_ib(union ib_gid dst, const union pvrdma_gid src);
438	void ib_gid_to_pvrdma(union pvrdma_gid dst, const union ib_gid src);
439	void pvrdma_global_route_to_ib(struct ib_global_route *dst,
440	const struct pvrdma_global_route *src);
441	void ib_global_route_to_pvrdma(struct pvrdma_global_route *dst,
442	const struct ib_global_route *src);
443	void pvrdma_ah_attr_to_ib(struct ib_ah_attr *dst,
444	const struct pvrdma_ah_attr *src);
445	void ib_ah_attr_to_pvrdma(struct pvrdma_ah_attr *dst,
446	const struct ib_ah_attr *src);
447
448	int pvrdma_uar_table_init(struct pvrdma_dev *dev);
449	void pvrdma_uar_table_cleanup(struct pvrdma_dev *dev);
450
451	int pvrdma_uar_alloc(struct pvrdma_dev dev, struct pvrdma_uar_map uar);
452	void pvrdma_uar_free(struct pvrdma_dev dev, struct pvrdma_uar_map uar);
453
454	void _pvrdma_flush_cqe(struct pvrdma_qp qp, struct pvrdma_cq cq);
455
456	int pvrdma_page_dir_init(struct pvrdma_dev dev, struct pvrdma_page_dir pdir,
457	u64 npages, bool alloc_pages);
458	void pvrdma_page_dir_cleanup(struct pvrdma_dev *dev,
459	struct pvrdma_page_dir *pdir);
460	int pvrdma_page_dir_insert_dma(struct pvrdma_page_dir *pdir, u64 idx,
461	dma_addr_t daddr);
462	int pvrdma_page_dir_insert_umem(struct pvrdma_page_dir *pdir,
463	struct ib_umem *umem, u64 offset);
464	dma_addr_t pvrdma_page_dir_get_dma(struct pvrdma_page_dir *pdir, u64 idx);
465	int pvrdma_page_dir_insert_page_list(struct pvrdma_page_dir *pdir,
466	u64 *page_list, int num_pages);
467
468	int pvrdma_cmd_post(struct pvrdma_dev dev, union pvrdma_cmd_req req,
469	union pvrdma_cmd_resp *rsp, unsigned resp_code);
470
471	#endif /* __PVRDMA_H__ */