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