net/smc/smc_loopback.c

54 static int smc_lo_register_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb,
61 	/* check space for new dmb */
76 	dmb_node->len = dmb->dmb_len;
88 	/* add new dmb into hash table */
101 	dmb->sba_idx = dmb_node->sba_idx;
102 	dmb->dmb_tok = dmb_node->token;
103 	dmb->cpu_addr = dmb_node->cpu_addr;
104 	dmb->dma_addr = dmb_node->dma_addr;
105 	dmb->dmb_len = dmb_node->len;
119 	/* remove dmb from hash table */
132 static int smc_lo_unregister_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb)
137 	/* find dmb from hash table */
139 	hash_for_each_possible(ldev->dmb_ht, tmp_node, list, dmb->dmb_tok) {
140 		if (tmp_node->token == dmb->dmb_tok) {
161 static int smc_lo_attach_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb)
166 	/* find dmb_node according to dmb->dmb_tok */
168 	hash_for_each_possible(ldev->dmb_ht, tmp_node, list, dmb->dmb_tok) {
169 		if (tmp_node->token == dmb->dmb_tok) {
181 		/* the dmb is being unregistered, but has
186 	/* provide dmb information */
187 	dmb->sba_idx = dmb_node->sba_idx;
188 	dmb->dmb_tok = dmb_node->token;
189 	dmb->cpu_addr = dmb_node->cpu_addr;
190 	dmb->dma_addr = dmb_node->dma_addr;
191 	dmb->dmb_len = dmb_node->len;
200 	/* find dmb_node according to dmb->dmb_tok */