1 /*-
2  * Copyright (c) 2020-2021 Emmanuel Vadot <manu@FreeBSD.org>
32 #include <cam/cam.h>
33 #include <cam/cam_ccb.h>
34 #include <cam/cam_debug.h>
35 #include <cam/cam_sim.h>
36 #include <cam/cam_xpt_sim.h>
37 #include <cam/mmc/mmc_sim.h>
47 	MMC_SIM_CAM_POLL(mmc_sim->dev);  in mmc_cam_default_poll()
59 	if (mmc_sim->ccb == NULL)  in mmc_sim_task()
62 	cts = &mmc_sim->ccb->cts;  in mmc_sim_task()
63 	switch (mmc_sim->ccb->ccb_h.func_code) {  in mmc_sim_task()
65 		rv = MMC_SIM_GET_TRAN_SETTINGS(mmc_sim->dev, &cts->proto_specific.mmc);  in mmc_sim_task()
66 		if (rv != 0)  in mmc_sim_task()
67 			mmc_sim->ccb->ccb_h.status = CAM_REQ_INVALID;  in mmc_sim_task()
69 			mmc_sim->ccb->ccb_h.status = CAM_REQ_CMP;  in mmc_sim_task()
72 		rv = MMC_SIM_SET_TRAN_SETTINGS(mmc_sim->dev, &cts->proto_specific.mmc);  in mmc_sim_task()
73 		if (rv != 0)  in mmc_sim_task()
74 			mmc_sim->ccb->ccb_h.status = CAM_REQ_INVALID;  in mmc_sim_task()
76 			mmc_sim->ccb->ccb_h.status = CAM_REQ_CMP;  in mmc_sim_task()
79 		panic("Unsupported ccb func %x\n", mmc_sim->ccb->ccb_h.func_code);  in mmc_sim_task()
83 	xpt_done(mmc_sim->ccb);  in mmc_sim_task()
84 	mmc_sim->ccb = NULL;  in mmc_sim_task()
97 	mtx_assert(&mmc_sim->mtx, MA_OWNED);  in mmc_cam_sim_default_action()
99 	if (mmc_sim->ccb != NULL) {  in mmc_cam_sim_default_action()
100 		ccb->ccb_h.status = CAM_BUSY;  in mmc_cam_sim_default_action()
105 	switch (ccb->ccb_h.func_code) {  in mmc_cam_sim_default_action()
107 		rv = MMC_SIM_GET_TRAN_SETTINGS(mmc_sim->dev, &mmc);  in mmc_cam_sim_default_action()
108 		if (rv != 0) {  in mmc_cam_sim_default_action()
109 			ccb->ccb_h.status = CAM_REQ_INVALID;  in mmc_cam_sim_default_action()
111 			mmc_path_inq(&ccb->cpi, "Deglitch Networks",  in mmc_cam_sim_default_action()
117 		struct ccb_trans_settings *cts = &ccb->cts;  in mmc_cam_sim_default_action()
119 		rv = MMC_SIM_GET_TRAN_SETTINGS(mmc_sim->dev, &cts->proto_specific.mmc);  in mmc_cam_sim_default_action()
120 		if (rv != 0)  in mmc_cam_sim_default_action()
121 			ccb->ccb_h.status = CAM_REQ_INVALID;  in mmc_cam_sim_default_action()
123 			cts->protocol = PROTO_MMCSD;  in mmc_cam_sim_default_action()
124 			cts->protocol_version = 1;  in mmc_cam_sim_default_action()
125 			cts->transport = XPORT_MMCSD;  in mmc_cam_sim_default_action()
126 			cts->transport_version = 1;  in mmc_cam_sim_default_action()
127 			cts->xport_specific.valid = 0;  in mmc_cam_sim_default_action()
128 			ccb->ccb_h.status = CAM_REQ_CMP;  in mmc_cam_sim_default_action()
134 		ccb->ccb_h.status = CAM_SIM_QUEUED;  in mmc_cam_sim_default_action()
135 		mmc_sim->ccb = ccb;  in mmc_cam_sim_default_action()
136 		taskqueue_enqueue(taskqueue_thread, &mmc_sim->sim_task);  in mmc_cam_sim_default_action()
143 		struct ccb_trans_settings *cts = &ccb->cts;  in mmc_cam_sim_default_action()
145 		rv = MMC_SIM_SET_TRAN_SETTINGS(mmc_sim->dev, &cts->proto_specific.mmc);  in mmc_cam_sim_default_action()
146 		if (rv != 0)  in mmc_cam_sim_default_action()
147 			ccb->ccb_h.status = CAM_REQ_INVALID;  in mmc_cam_sim_default_action()
149 			ccb->ccb_h.status = CAM_REQ_CMP;  in mmc_cam_sim_default_action()
154 		ccb->ccb_h.status = CAM_SIM_QUEUED;  in mmc_cam_sim_default_action()
155 		mmc_sim->ccb = ccb;  in mmc_cam_sim_default_action()
156 		taskqueue_enqueue(taskqueue_thread, &mmc_sim->sim_task);  in mmc_cam_sim_default_action()
162 		ccb->ccb_h.status = CAM_REQ_CMP;  in mmc_cam_sim_default_action()
166 		rv = MMC_SIM_CAM_REQUEST(mmc_sim->dev, ccb);  in mmc_cam_sim_default_action()
167 		if (rv != 0)  in mmc_cam_sim_default_action()
168 			ccb->ccb_h.status = CAM_SIM_QUEUED;  in mmc_cam_sim_default_action()
174 		ccb->ccb_h.status = CAM_REQ_INVALID;  in mmc_cam_sim_default_action()
187 	mmc_sim->dev = dev;  in mmc_cam_sim_alloc()
189 	if ((mmc_sim->devq = cam_simq_alloc(1)) == NULL) {  in mmc_cam_sim_alloc()
193 	snprintf(mmc_sim->name, sizeof(mmc_sim->name), "%s_sim", name);  in mmc_cam_sim_alloc()
194 	mtx_init(&mmc_sim->mtx, mmc_sim->name, NULL, MTX_DEF);  in mmc_cam_sim_alloc()
198 	kobj_method = kobj_lookup_method(((kobj_t)dev)->ops->cls, NULL,  in mmc_cam_sim_alloc()
200 	mmc_sim->sim = cam_sim_alloc(mmc_cam_sim_default_action,  in mmc_cam_sim_alloc()
201 	    kobj_method == &kobj_desc->deflt ? NULL : mmc_cam_default_poll,  in mmc_cam_sim_alloc()
202 	    mmc_sim->name, mmc_sim, device_get_unit(dev),  in mmc_cam_sim_alloc()
203 	    &mmc_sim->mtx, 1, 1, mmc_sim->devq);  in mmc_cam_sim_alloc()
205 	if (mmc_sim->sim == NULL) {  in mmc_cam_sim_alloc()
206 		cam_simq_free(mmc_sim->devq);  in mmc_cam_sim_alloc()
207 		device_printf(dev, "cannot allocate CAM SIM\n");  in mmc_cam_sim_alloc()
211 	mtx_lock(&mmc_sim->mtx);  in mmc_cam_sim_alloc()
212 	if (xpt_bus_register(mmc_sim->sim, dev, 0) != 0) {  in mmc_cam_sim_alloc()
213 		device_printf(dev, "cannot register SCSI pass-through bus\n");  in mmc_cam_sim_alloc()
214 		cam_sim_free(mmc_sim->sim, FALSE);  in mmc_cam_sim_alloc()
215 		cam_simq_free(mmc_sim->devq);  in mmc_cam_sim_alloc()
216 		mtx_unlock(&mmc_sim->mtx);  in mmc_cam_sim_alloc()
220 	mtx_unlock(&mmc_sim->mtx);  in mmc_cam_sim_alloc()
221 	TASK_INIT(&mmc_sim->sim_task, 0, mmc_sim_task, mmc_sim);  in mmc_cam_sim_alloc()
223 	return (0);  in mmc_cam_sim_alloc()
234 	if (mmc_sim->sim != NULL) {  in mmc_cam_sim_free()
235 		mtx_lock(&mmc_sim->mtx);  in mmc_cam_sim_free()
236 		xpt_bus_deregister(cam_sim_path(mmc_sim->sim));  in mmc_cam_sim_free()
237 		cam_sim_free(mmc_sim->sim, FALSE);  in mmc_cam_sim_free()
238 		mtx_unlock(&mmc_sim->mtx);  in mmc_cam_sim_free()
241 	if (mmc_sim->devq != NULL)  in mmc_cam_sim_free()
242 		cam_simq_free(mmc_sim->devq);  in mmc_cam_sim_free()
249 	mmccam_start_discovery(mmc_sim->sim);  in mmc_cam_sim_discover()