1/*- 2 * Common functions for SCSI Interface Modules (SIMs). 3 * 4 * Copyright (c) 1997 Justin T. Gibbs. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 13 unchanged lines hidden (view full) --- 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> |
30__FBSDID("$FreeBSD: head/sys/cam/cam_sim.c 147723 2005-07-01 15:21:30Z avatar $"); |
31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/malloc.h> |
35#include <sys/kernel.h> |
36 37#include <cam/cam.h> 38#include <cam/cam_ccb.h> 39#include <cam/cam_sim.h> 40#include <cam/cam_queue.h> 41 42#define CAM_PATH_ANY (u_int32_t)-1 43 |
44MALLOC_DEFINE(M_CAMSIM, "CAM SIM", "CAM SIM buffers"); 45 |
46struct cam_devq * 47cam_simq_alloc(u_int32_t max_sim_transactions) 48{ 49 return (cam_devq_alloc(/*size*/0, max_sim_transactions)); 50} 51 52void 53cam_simq_free(struct cam_devq *devq) --- 12 unchanged lines hidden (view full) --- 66 /* 67 * If this is the xpt layer creating a sim, then it's OK 68 * to wait for an allocation. 69 * 70 * XXX Should we pass in a flag to indicate that wait is OK? 71 */ 72 if (strcmp(sim_name, "xpt") == 0) 73 sim = (struct cam_sim *)malloc(sizeof(struct cam_sim), |
74 M_CAMSIM, M_WAITOK); |
75 else 76 sim = (struct cam_sim *)malloc(sizeof(struct cam_sim), |
77 M_CAMSIM, M_NOWAIT); |
78 79 if (sim != NULL) { 80 sim->sim_action = sim_action; 81 sim->sim_poll = sim_poll; 82 sim->sim_name = sim_name; 83 sim->softc = softc; 84 sim->path_id = CAM_PATH_ANY; 85 sim->unit_number = unit; --- 8 unchanged lines hidden (view full) --- 94 return (sim); 95} 96 97void 98cam_sim_free(struct cam_sim *sim, int free_devq) 99{ 100 if (free_devq) 101 cam_simq_free(sim->devq); |
102 free(sim, M_CAMSIM); |
103} 104 105void 106cam_sim_set_path(struct cam_sim *sim, u_int32_t path_id) 107{ 108 sim->path_id = path_id; 109} |