crypto/xilinx/zynqmp-aes-gcm.c

83 	struct zynqmp_aead_hw_req *hwreq;
102 	hwreq = dma_alloc_coherent(dev, sizeof(struct zynqmp_aead_hw_req),
104 	if (!hwreq) {
113 	hwreq->src = dma_addr_data;
114 	hwreq->dst = dma_addr_data;
115 	hwreq->iv = hwreq->src + data_size;
116 	hwreq->keysrc = tfm_ctx->keysrc;
117 	hwreq->op = rq_ctx->op;
119 	if (hwreq->op == ZYNQMP_AES_ENCRYPT)
120 		hwreq->size = data_size;
122 		hwreq->size = data_size - ZYNQMP_AES_AUTH_SIZE;
124 	if (hwreq->keysrc == ZYNQMP_AES_KUP_KEY) {
128 		hwreq->key = hwreq->src + data_size + GCM_AES_IV_SIZE;
130 		hwreq->key = 0;
155 		if (hwreq->op == ZYNQMP_AES_ENCRYPT)
169 	if (hwreq) {
170 		memzero_explicit(hwreq, sizeof(struct zynqmp_aead_hw_req));
172 				  hwreq, dma_addr_hw_req);