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84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/* Copyright (c) 2017, RWTH Aachen University
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* Author(s): Annika Wierichs <annika.wierichs@rwth-aachen.de>
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*
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* Permission to use, copy, modify, and/or distribute this software
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* for any purpose with or without fee is hereby granted, provided
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* that the above copyright notice and this permission notice appear
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* in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
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* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
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* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef UHYVE_IBV_H
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#define UHYVE_IBV_H
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#include <infiniband/verbs.h> // Linux include
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#include <linux/kvm.h>
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#include <stdbool.h>
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#define MAX_NUM_OF_IBV_DEVICES 16
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extern bool ib_malloc;
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typedef enum {
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UHYVE_PORT_IBV_OPEN_DEVICE = 0x510,
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UHYVE_PORT_IBV_GET_DEVICE_LIST = 0x511,
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UHYVE_PORT_IBV_GET_DEVICE_NAME = 0x512,
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UHYVE_PORT_IBV_QUERY_PORT = 0x513,
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UHYVE_PORT_IBV_CREATE_COMP_CHANNEL = 0x514,
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UHYVE_PORT_KERNEL_IBV_LOG = 0x515,
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} uhyve_ibv_t;
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typedef struct {
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// Parameters:
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int * num_devices;
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// Return value:
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// struct ibv_device * ret[MAX_NUM_OF_IBV_DEVICES];
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struct ibv_device ** ret;
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} __attribute__((packed)) uhyve_ibv_get_device_list_t;
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typedef struct {
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// Parameters:
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struct ibv_device * device;
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// Return value:
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const char * ret; // TODO Should this be const?
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} __attribute__((packed)) uhyve_ibv_get_device_name_t;
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typedef struct {
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// Parameters:
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struct ibv_device * device;
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// Return value:
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struct ibv_context * ret;
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} __attribute__((packed)) uhyve_ibv_open_device_t;
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typedef struct {
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// Parameters:
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struct ibv_context * context;
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uint8_t port_num;
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struct ibv_port_attr * port_attr;
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// Return value:
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int ret;
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} __attribute__((packed)) uhyve_ibv_query_port_t;
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typedef struct {
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// Parameters:
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struct ibv_context * context;
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// Return value:
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struct ibv_comp_channel * ret;
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} __attribute__((packed)) uhyve_ibv_create_comp_channel_t;
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void call_ibv_open_device(struct kvm_run * run, uint8_t * guest_mem);
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void call_ibv_get_device_name(struct kvm_run * run, uint8_t * guest_mem);
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void call_ibv_query_port(struct kvm_run * run, uint8_t * guest_mem);
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void call_ibv_create_comp_channel(struct kvm_run * run, uint8_t * guest_mem);
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void call_ibv_get_device_list(struct kvm_run * run, uint8_t * guest_mem);
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#endif // UHYVE_IBV_H
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