41 #include "ocs.h"
64 	ocs_t *ocs;			/* Pointer to device object */  member
92  * @param ocs Driver instance's software context.
101 ocs_io_pool_create(ocs_t *ocs, uint32_t num_io, uint32_t num_sgl)  in ocs_io_pool_create()  argument
108 	io_pool = ocs_malloc(ocs, sizeof(*io_pool), OCS_M_ZERO | OCS_M_NOWAIT);  in ocs_io_pool_create()
110 		ocs_log_err(ocs, "allocate of IO pool failed\n");  in ocs_io_pool_create()
114 	io_pool->ocs = ocs;  in ocs_io_pool_create()
118 	ocs_lock_init(ocs, &io_pool->lock, "io_pool lock[%d]", ocs->instance_index);  in ocs_io_pool_create()
120 	io_pool->pool = ocs_pool_alloc(ocs, sizeof(ocs_io_t), io_pool->io_num_ios, FALSE);  in ocs_io_pool_create()
127 		io->ocs = ocs;  in ocs_io_pool_create()
130 		if (ocs->enable_ini) {  in ocs_io_pool_create()
131 			rc = ocs_dma_alloc(ocs, &io->cmdbuf, SCSI_CMD_BUF_LENGTH, OCS_MIN_DMA_ALIGNMENT);  in ocs_io_pool_create()
133 				ocs_log_err(ocs, "ocs_dma_alloc cmdbuf failed\n");  in ocs_io_pool_create()
140 		rc = ocs_dma_alloc(ocs, &io->rspbuf, SCSI_RSP_BUF_LENGTH, OCS_MIN_DMA_ALIGNMENT);  in ocs_io_pool_create()
142 			ocs_log_err(ocs, "ocs_dma_alloc cmdbuf failed\n");  in ocs_io_pool_create()
148 		io->sgl = ocs_malloc(ocs, sizeof(*io->sgl) * num_sgl, OCS_M_NOWAIT | OCS_M_ZERO);  in ocs_io_pool_create()
150 			ocs_log_err(ocs, "malloc sgl's failed\n");  in ocs_io_pool_create()
161 		rc = ocs_dma_alloc(ocs, &io->els_req, OCS_ELS_REQ_LEN, OCS_MIN_DMA_ALIGNMENT);  in ocs_io_pool_create()
163 			ocs_log_err(ocs, "ocs_dma_alloc els_req failed\n");  in ocs_io_pool_create()
168 		rc = ocs_dma_alloc(ocs, &io->els_rsp, OCS_ELS_GID_PT_RSP_LEN, OCS_MIN_DMA_ALIGNMENT);  in ocs_io_pool_create()
170 			ocs_log_err(ocs, "ocs_dma_alloc els_rsp failed\n");  in ocs_io_pool_create()
192 	ocs_t *ocs;  in ocs_io_pool_free()  local
197 		ocs = io_pool->ocs;  in ocs_io_pool_free()
205 				ocs_free(ocs, io->sgl, sizeof(*io->sgl) * io->sgl_allocated);  in ocs_io_pool_free()
207 			ocs_dma_free(ocs, &io->cmdbuf);  in ocs_io_pool_free()
208 			ocs_dma_free(ocs, &io->rspbuf);  in ocs_io_pool_free()
209 			ocs_dma_free(ocs, &io->els_req);  in ocs_io_pool_free()
210 			ocs_dma_free(ocs, &io->els_rsp);  in ocs_io_pool_free()
217 		ocs_free(ocs, io_pool, sizeof(*io_pool));  in ocs_io_pool_free()
218 		ocs->xport->io_pool = NULL;  in ocs_io_pool_free()
241 	ocs_t *ocs;  in ocs_io_pool_io_alloc()  local
245 	ocs = io_pool->ocs;  in ocs_io_pool_io_alloc()
255 		io->ocs = ocs;  in ocs_io_pool_io_alloc()
266 		ocs_atomic_add_return(&ocs->xport->io_active_count, 1);  in ocs_io_pool_io_alloc()
267 		ocs_atomic_add_return(&ocs->xport->io_total_alloc, 1);  in ocs_io_pool_io_alloc()
284 	ocs_t *ocs;  in ocs_io_pool_io_free()  local
289 	ocs = io_pool->ocs;  in ocs_io_pool_io_free()
298 		ocs_hw_io_free(&ocs->hw, hio);  in ocs_io_pool_io_free()
301 	ocs_atomic_sub_return(&ocs->xport->io_active_count, 1);  in ocs_io_pool_io_free()
302 	ocs_atomic_add_return(&ocs->xport->io_total_free, 1);  in ocs_io_pool_io_free()
309  * @param ocs Driver instance's software context.
315 ocs_io_find_tgt_io(ocs_t *ocs, ocs_node_t *node, uint16_t ox_id, uint16_t rx_id)  in ocs_io_find_tgt_io()  argument
336  * @param ocs Pointer to driver structure.
342 ocs_io_get_instance(ocs_t *ocs, uint32_t index)  in ocs_io_get_instance()  argument
344 	ocs_xport_t *xport = ocs->xport;  in ocs_io_get_instance()