23 static int cmdq_common_init(struct nitrox_cmdq *cmdq)  in cmdq_common_init()  argument
25 	struct nitrox_device *ndev = cmdq->ndev;  in cmdq_common_init()
28 	qsize = (ndev->qlen) * cmdq->instr_size;  in cmdq_common_init()
29 	cmdq->head_unaligned = dma_zalloc_coherent(DEV(ndev),  in cmdq_common_init()
31 						   &cmdq->dma_unaligned,  in cmdq_common_init()
33 	if (!cmdq->head_unaligned)  in cmdq_common_init()
36 	cmdq->head = PTR_ALIGN(cmdq->head_unaligned, PKT_IN_ALIGN);  in cmdq_common_init()
37 	cmdq->dma = PTR_ALIGN(cmdq->dma_unaligned, PKT_IN_ALIGN);  in cmdq_common_init()
38 	cmdq->qsize = (qsize + PKT_IN_ALIGN);  in cmdq_common_init()
39 	cmdq->write_idx = 0;  in cmdq_common_init()
41 	spin_lock_init(&cmdq->response_lock);  in cmdq_common_init()
42 	spin_lock_init(&cmdq->cmdq_lock);  in cmdq_common_init()
43 	spin_lock_init(&cmdq->backlog_lock);  in cmdq_common_init()
45 	INIT_LIST_HEAD(&cmdq->response_head);  in cmdq_common_init()
46 	INIT_LIST_HEAD(&cmdq->backlog_head);  in cmdq_common_init()
47 	INIT_WORK(&cmdq->backlog_qflush, backlog_qflush_work);  in cmdq_common_init()
49 	atomic_set(&cmdq->pending_count, 0);  in cmdq_common_init()
50 	atomic_set(&cmdq->backlog_count, 0);  in cmdq_common_init()
54 static void cmdq_common_cleanup(struct nitrox_cmdq *cmdq)  in cmdq_common_cleanup()  argument
56 	struct nitrox_device *ndev = cmdq->ndev;  in cmdq_common_cleanup()
58 	cancel_work_sync(&cmdq->backlog_qflush);  in cmdq_common_cleanup()
60 	dma_free_coherent(DEV(ndev), cmdq->qsize,  in cmdq_common_cleanup()
61 			  cmdq->head_unaligned, cmdq->dma_unaligned);  in cmdq_common_cleanup()
63 	atomic_set(&cmdq->pending_count, 0);  in cmdq_common_cleanup()
64 	atomic_set(&cmdq->backlog_count, 0);  in cmdq_common_cleanup()
66 	cmdq->dbell_csr_addr = NULL;  in cmdq_common_cleanup()
67 	cmdq->head = NULL;  in cmdq_common_cleanup()
68 	cmdq->dma = 0;  in cmdq_common_cleanup()
69 	cmdq->qsize = 0;  in cmdq_common_cleanup()
70 	cmdq->instr_size = 0;  in cmdq_common_cleanup()
78 		struct nitrox_cmdq *cmdq = &ndev->pkt_cmdqs[i];  in nitrox_cleanup_pkt_cmdqs()  local
80 		cmdq_common_cleanup(cmdq);  in nitrox_cleanup_pkt_cmdqs()
96 		struct nitrox_cmdq *cmdq;  in nitrox_init_pkt_cmdqs()  local
99 		cmdq = &ndev->pkt_cmdqs[i];  in nitrox_init_pkt_cmdqs()
100 		cmdq->ndev = ndev;  in nitrox_init_pkt_cmdqs()
101 		cmdq->qno = i;  in nitrox_init_pkt_cmdqs()
102 		cmdq->instr_size = sizeof(struct nps_pkt_instr);  in nitrox_init_pkt_cmdqs()
106 		cmdq->dbell_csr_addr = NITROX_CSR_ADDR(ndev, offset);  in nitrox_init_pkt_cmdqs()
108 		err = cmdq_common_init(cmdq);  in nitrox_init_pkt_cmdqs()