When QP is destroyed the backend QP is destroyed as well. This ensures we clean all received buffer we posted to it. However, a contexts of these buffers are still remain in the device. Fix it by maintaining a list of buffer's context and free them when QP is destroyed. Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Message-Id: <1552300155-25216-8-git-send-email-yuval.shaia@oracle.com> Reviewed-by: Kamal Heib <kamalheib1@gmail.com> Signed-off-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
		
			
				
	
	
		
			72 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 *  RDMA device: Definitions of Backend Device structures
 | 
						|
 *
 | 
						|
 * Copyright (C) 2018 Oracle
 | 
						|
 * Copyright (C) 2018 Red Hat Inc
 | 
						|
 *
 | 
						|
 * Authors:
 | 
						|
 *     Yuval Shaia <yuval.shaia@oracle.com>
 | 
						|
 *     Marcel Apfelbaum <marcel@redhat.com>
 | 
						|
 *
 | 
						|
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 | 
						|
 * See the COPYING file in the top-level directory.
 | 
						|
 *
 | 
						|
 */
 | 
						|
 | 
						|
#ifndef RDMA_BACKEND_DEFS_H
 | 
						|
#define RDMA_BACKEND_DEFS_H
 | 
						|
 | 
						|
#include "qemu/thread.h"
 | 
						|
#include "chardev/char-fe.h"
 | 
						|
#include <infiniband/verbs.h>
 | 
						|
#include "contrib/rdmacm-mux/rdmacm-mux.h"
 | 
						|
#include "rdma_utils.h"
 | 
						|
 | 
						|
typedef struct RdmaDeviceResources RdmaDeviceResources;
 | 
						|
 | 
						|
typedef struct RdmaBackendThread {
 | 
						|
    QemuThread thread;
 | 
						|
    bool run; /* Set by thread manager to let thread know it should exit */
 | 
						|
    bool is_running; /* Set by the thread to report its status */
 | 
						|
} RdmaBackendThread;
 | 
						|
 | 
						|
typedef struct RdmaCmMux {
 | 
						|
    CharBackend *chr_be;
 | 
						|
    int can_receive;
 | 
						|
} RdmaCmMux;
 | 
						|
 | 
						|
typedef struct RdmaBackendDev {
 | 
						|
    RdmaBackendThread comp_thread;
 | 
						|
    PCIDevice *dev;
 | 
						|
    RdmaDeviceResources *rdma_dev_res;
 | 
						|
    struct ibv_device *ib_dev;
 | 
						|
    struct ibv_context *context;
 | 
						|
    struct ibv_comp_channel *channel;
 | 
						|
    uint8_t port_num;
 | 
						|
    RdmaProtectedQList recv_mads_list;
 | 
						|
    RdmaCmMux rdmacm_mux;
 | 
						|
} RdmaBackendDev;
 | 
						|
 | 
						|
typedef struct RdmaBackendPD {
 | 
						|
    struct ibv_pd *ibpd;
 | 
						|
} RdmaBackendPD;
 | 
						|
 | 
						|
typedef struct RdmaBackendMR {
 | 
						|
    struct ibv_pd *ibpd;
 | 
						|
    struct ibv_mr *ibmr;
 | 
						|
} RdmaBackendMR;
 | 
						|
 | 
						|
typedef struct RdmaBackendCQ {
 | 
						|
    RdmaBackendDev *backend_dev;
 | 
						|
    struct ibv_cq *ibcq;
 | 
						|
} RdmaBackendCQ;
 | 
						|
 | 
						|
typedef struct RdmaBackendQP {
 | 
						|
    struct ibv_pd *ibpd;
 | 
						|
    struct ibv_qp *ibqp;
 | 
						|
    uint8_t sgid_idx;
 | 
						|
    RdmaProtectedGSList cqe_ctx_list;
 | 
						|
} RdmaBackendQP;
 | 
						|
 | 
						|
#endif
 |