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			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
		
	
	
	
	
	
| /*
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|  *  RDMA device: Definitions of Backend Device structures
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|  *
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|  * Copyright (C) 2018 Oracle
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|  * Copyright (C) 2018 Red Hat Inc
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|  *
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|  * Authors:
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|  *     Yuval Shaia <yuval.shaia@oracle.com>
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|  *     Marcel Apfelbaum <marcel@redhat.com>
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|  *
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|  * This work is licensed under the terms of the GNU GPL, version 2 or later.
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|  * See the COPYING file in the top-level directory.
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|  *
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|  */
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| 
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| #ifndef RDMA_BACKEND_DEFS_H
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| #define RDMA_BACKEND_DEFS_H
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| 
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| #include "qemu/thread.h"
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| #include "chardev/char-fe.h"
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| #include <infiniband/verbs.h>
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| #include "contrib/rdmacm-mux/rdmacm-mux.h"
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| #include "rdma_utils.h"
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| 
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| typedef struct RdmaDeviceResources RdmaDeviceResources;
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| 
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| typedef struct RdmaBackendThread {
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|     QemuThread thread;
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|     bool run; /* Set by thread manager to let thread know it should exit */
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|     bool is_running; /* Set by the thread to report its status */
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| } RdmaBackendThread;
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| 
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| typedef struct RdmaCmMux {
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|     CharBackend *chr_be;
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|     int can_receive;
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| } RdmaCmMux;
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| 
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| typedef struct RdmaBackendDev {
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|     RdmaBackendThread comp_thread;
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|     PCIDevice *dev;
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|     RdmaDeviceResources *rdma_dev_res;
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|     struct ibv_device *ib_dev;
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|     struct ibv_context *context;
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|     struct ibv_comp_channel *channel;
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|     uint8_t port_num;
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|     RdmaProtectedQList recv_mads_list;
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|     RdmaCmMux rdmacm_mux;
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| } RdmaBackendDev;
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| 
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| typedef struct RdmaBackendPD {
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|     struct ibv_pd *ibpd;
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| } RdmaBackendPD;
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| 
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| typedef struct RdmaBackendMR {
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|     struct ibv_pd *ibpd;
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|     struct ibv_mr *ibmr;
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| } RdmaBackendMR;
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| 
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| typedef struct RdmaBackendCQ {
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|     RdmaBackendDev *backend_dev;
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|     struct ibv_cq *ibcq;
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| } RdmaBackendCQ;
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| 
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| typedef struct RdmaBackendQP {
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|     struct ibv_pd *ibpd;
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|     struct ibv_qp *ibqp;
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|     uint8_t sgid_idx;
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|     RdmaProtectedGSList cqe_ctx_list;
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| } RdmaBackendQP;
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| 
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| #endif
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