elx/efct/efct_io.c

25 	struct efct_io *io;
38 		io = kzalloc(sizeof(*io), GFP_KERNEL);
39 		if (!io)
43 		io_pool->ios[i] = io;
44 		io->tag = i;
45 		io->instance_index = i;
48 		io->rspbuf.size = SCSI_RSP_BUF_LENGTH;
49 		io->rspbuf.virt = dma_alloc_coherent(&efct->pci->dev,
50 						     io->rspbuf.size,
51 						     &io->rspbuf.phys, GFP_KERNEL);
52 		if (!io->rspbuf.virt) {
59 		io->sgl = kzalloc(sizeof(*io->sgl) * num_sgl, GFP_KERNEL);
60 		if (!io->sgl) {
65 		io->sgl_allocated = num_sgl;
66 		io->sgl_count = 0;
68 		INIT_LIST_HEAD(&io->list_entry);
69 		list_add_tail(&io->list_entry, &io_pool->freelist);
80 	struct efct_io *io;
86 			io = io_pool->ios[i];
87 			if (!io)
90 			kfree(io->sgl);
92 					  io->rspbuf.size, io->rspbuf.virt,
93 					  io->rspbuf.phys);
94 			memset(&io->rspbuf, 0, sizeof(struct efc_dma));
107 	struct efct_io *io = NULL;
116 		io = list_first_entry(&io_pool->freelist, struct efct_io,
118 		list_del_init(&io->list_entry);
123 	if (!io)
126 	io->io_type = EFCT_IO_TYPE_MAX;
127 	io->hio_type = EFCT_HW_IO_MAX;
128 	io->hio = NULL;
129 	io->transferred = 0;
130 	io->efct = efct;
131 	io->timeout = 0;
132 	io->sgl_count = 0;
133 	io->tgt_task_tag = 0;
134 	io->init_task_tag = 0;
135 	io->hw_tag = 0;
136 	io->display_name = "pending";
137 	io->seq_init = 0;
138 	io->io_free = 0;
139 	io->release = NULL;
142 	return io;
147 efct_io_pool_io_free(struct efct_io_pool *io_pool, struct efct_io *io)
156 	hio = io->hio;
157 	io->hio = NULL;
158 	io->io_free = 1;
159 	INIT_LIST_HEAD(&io->list_entry);
160 	list_add(&io->list_entry, &io_pool->freelist);
175 	struct efct_io	*io = NULL;
180 	list_for_each_entry(io, &node->active_ios, list_entry) {
181 		if ((io->cmd_tgt && io->init_task_tag == ox_id) &&
182 		    (rx_id == 0xffff || io->tgt_task_tag == rx_id)) {
183 			if (kref_get_unless_zero(&io->ref))
189 	return found ? io : NULL;