7  * Copyright (c) 2003-2016 Cavium, Inc.
14  * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty
80 		/* Num of desc for rx rings */
83 		/* Num of desc for tx rings */
109 		/* Num of desc for rx rings */
112 		/* Num of desc for tx rings */
188 		/* Num of desc for rx rings */
191 		/* Num of desc for tx rings */
217 		/* Num of desc for rx rings */
220 		/* Num of desc for tx rings */
246 		/* Num of desc for rx rings */
249 		/* Num of desc for tx rings */
275 		/* Num of desc for rx rings */
278 		/* Num of desc for tx rings */
354 		/* Num of desc for rx rings */
357 		/* Num of desc for tx rings */
383 		/* Num of desc for rx rings */
386 		/* Num of desc for tx rings */
457 		/* Num of desc for rx rings */
460 		/* Num of desc for tx rings */
486 		/* Num of desc for rx rings */
489 		/* Num of desc for tx rings */
531 	"BEGIN", "PCI-ENABLE-DONE", "PCI-MAP-DONE", "DISPATCH-INIT-DONE",
532 	"IQ-INIT-DONE", "SCBUFF-POOL-INIT-DONE", "RESPLIST-INIT-DONE",
533 	"DROQ-INIT-DONE", "MBOX-SETUP-DONE", "MSIX-ALLOC-VECTOR-DONE",
534 	"INTR-SET-DONE", "IO-QUEUES-INIT-DONE", "CONSOLE-INIT-DONE",
535 	"HOST-READY", "CORE-READY", "RUNNING", "IN-RESET",
554 	if (conf_type < 0 || conf_type > (NUM_OCTEON_CONFS - 1))  in oct_set_config_info()
571 	u32 oct_id = oct->octeon_id;  in __retrieve_octeon_config_info()
576 		if (oct->chip_id == OCTEON_CN66XX) {  in __retrieve_octeon_config_info()
578 		} else if ((oct->chip_id == OCTEON_CN68XX) &&  in __retrieve_octeon_config_info()
581 		} else if ((oct->chip_id == OCTEON_CN68XX) &&  in __retrieve_octeon_config_info()
584 		} else if (oct->chip_id == OCTEON_CN23XX_PF_VID) {  in __retrieve_octeon_config_info()
586 		} else if (oct->chip_id == OCTEON_CN23XX_VF_VID) {  in __retrieve_octeon_config_info()
598 	switch (oct->chip_id) {  in __verify_octeon_config_info()
621 		dev_err(&oct->pci_dev->dev, "Configuration verification failed\n");  in oct_get_config_info()
640 		return oct_dev_app_str[app_mode - CVM_DRV_APP_START];  in get_oct_app_string()
641 	return oct_dev_app_str[CVM_DRV_INVALID_APP - CVM_DRV_APP_START];  in get_oct_app_string()
649 		if (oct->io_qmask.oq & BIT_ULL(i))  in octeon_free_device_mem()
650 			vfree(oct->droq[i]);  in octeon_free_device_mem()
654 		if (oct->io_qmask.iq & BIT_ULL(i))  in octeon_free_device_mem()
655 			vfree(oct->instr_queue[i]);  in octeon_free_device_mem()
658 	i = oct->octeon_id;  in octeon_free_device_mem()
662 	octeon_device_count--;  in octeon_free_device_mem()
692 		configsize += (8 - (configsize & 0x7));  in octeon_allocate_device_mem()
696 		octdevsize += (8 - (octdevsize & 0x7));  in octeon_allocate_device_mem()
699 		priv_size += (8 - (priv_size & 0x7));  in octeon_allocate_device_mem()
709 	oct->priv = (void *)(buf + octdevsize);  in octeon_allocate_device_mem()
710 	oct->chip = (void *)(buf + octdevsize + priv_size);  in octeon_allocate_device_mem()
711 	oct->dispatch.dlist = (struct octeon_dispatch *)  in octeon_allocate_device_mem()
741 	spin_lock_init(&oct->pci_win_lock);  in octeon_allocate_device()
742 	spin_lock_init(&oct->mem_access_lock);  in octeon_allocate_device()
744 	oct->octeon_id = oct_idx;  in octeon_allocate_device()
745 	snprintf(oct->device_name, sizeof(oct->device_name),  in octeon_allocate_device()
746 		 "LiquidIO%d", (oct->octeon_id));  in octeon_allocate_device()
752  *  @param octeon_dev - pointer to the octeon device structure.
753  *  @param bus        - PCIe bus #
754  *  @param dev        - PCIe device #
755  *  @param func       - PCIe function #
756  *  @param is_pf      - TRUE for PF, FALSE for VF
764 	oct->loc.bus = bus;  in octeon_register_device()
765 	oct->loc.dev = dev;  in octeon_register_device()
766 	oct->loc.func = func;  in octeon_register_device()
768 	oct->adapter_refcount = &adapter_refcounts[oct->octeon_id];  in octeon_register_device()
769 	atomic_set(oct->adapter_refcount, 0);  in octeon_register_device()
771 	/* Like the reference count, the f/w state is shared 'per-adapter' */  in octeon_register_device()
772 	oct->adapter_fw_state = &adapter_fw_states[oct->octeon_id];  in octeon_register_device()
773 	atomic_set(oct->adapter_fw_state, FW_NEEDS_TO_BE_LOADED);  in octeon_register_device()
776 	for (idx = (int)oct->octeon_id - 1; idx >= 0; idx--) {  in octeon_register_device()
778 			dev_err(&oct->pci_dev->dev,  in octeon_register_device()
782 			atomic_inc(oct->adapter_refcount);  in octeon_register_device()
788 		if ((octeon_device[idx]->loc.bus == bus) &&  in octeon_register_device()
789 		    (octeon_device[idx]->loc.dev == dev)) {  in octeon_register_device()
790 			oct->adapter_refcount =  in octeon_register_device()
791 				octeon_device[idx]->adapter_refcount;  in octeon_register_device()
792 			oct->adapter_fw_state =  in octeon_register_device()
793 				octeon_device[idx]->adapter_fw_state;  in octeon_register_device()
799 	atomic_inc(oct->adapter_refcount);  in octeon_register_device()
800 	refcount = atomic_read(oct->adapter_refcount);  in octeon_register_device()
802 	dev_dbg(&oct->pci_dev->dev, "%s: %02x:%02x:%d refcount %u", __func__,  in octeon_register_device()
803 		oct->loc.bus, oct->loc.dev, oct->loc.func, refcount);  in octeon_register_device()
808 /** Deregister a device at de-initialization time.
809  *  @param octeon_dev - pointer to the octeon device structure.
816 	atomic_dec(oct->adapter_refcount);  in octeon_deregister_device()
817 	refcount = atomic_read(oct->adapter_refcount);  in octeon_deregister_device()
819 	dev_dbg(&oct->pci_dev->dev, "%s: %04d:%02d:%d refcount %u", __func__,  in octeon_deregister_device()
820 		oct->loc.bus, oct->loc.dev, oct->loc.func, refcount);  in octeon_deregister_device()
835 	oct->ioq_vector = vzalloc(size);  in octeon_allocate_ioq_vector()
836 	if (!oct->ioq_vector)  in octeon_allocate_ioq_vector()
837 		return -1;  in octeon_allocate_ioq_vector()
839 		ioq_vector		= &oct->ioq_vector[i];  in octeon_allocate_ioq_vector()
840 		ioq_vector->oct_dev	= oct;  in octeon_allocate_ioq_vector()
841 		ioq_vector->iq_index	= i;  in octeon_allocate_ioq_vector()
842 		ioq_vector->droq_index	= i;  in octeon_allocate_ioq_vector()
843 		ioq_vector->mbox	= oct->mbox[i];  in octeon_allocate_ioq_vector()
846 		cpumask_set_cpu(cpu_num, &ioq_vector->affinity_mask);  in octeon_allocate_ioq_vector()
848 		if (oct->chip_id == OCTEON_CN23XX_PF_VID)  in octeon_allocate_ioq_vector()
849 			ioq_vector->ioq_num	= i + oct->sriov_info.pf_srn;  in octeon_allocate_ioq_vector()
851 			ioq_vector->ioq_num	= i;  in octeon_allocate_ioq_vector()
860 	vfree(oct->ioq_vector);  in octeon_free_ioq_vector()
869 	int numa_node = dev_to_node(&oct->pci_dev->dev);  in octeon_setup_instr_queues()
879 	oct->num_iqs = 0;  in octeon_setup_instr_queues()
881 	oct->instr_queue[0] = vzalloc_node(sizeof(*oct->instr_queue[0]),  in octeon_setup_instr_queues()
883 	if (!oct->instr_queue[0])  in octeon_setup_instr_queues()
884 		oct->instr_queue[0] =  in octeon_setup_instr_queues()
886 	if (!oct->instr_queue[0])  in octeon_setup_instr_queues()
888 	memset(oct->instr_queue[0], 0, sizeof(struct octeon_instr_queue));  in octeon_setup_instr_queues()
889 	oct->instr_queue[0]->q_index = 0;  in octeon_setup_instr_queues()
890 	oct->instr_queue[0]->app_ctx = (void *)(size_t)0;  in octeon_setup_instr_queues()
891 	oct->instr_queue[0]->ifidx = 0;  in octeon_setup_instr_queues()
894 	txpciq.s.pkind = oct->pfvf_hsword.pkind;  in octeon_setup_instr_queues()
899 		vfree(oct->instr_queue[0]);  in octeon_setup_instr_queues()
900 		oct->instr_queue[0] = NULL;  in octeon_setup_instr_queues()
904 	oct->num_iqs++;  in octeon_setup_instr_queues()
913 	int numa_node = dev_to_node(&oct->pci_dev->dev);  in octeon_setup_output_queues()
927 	oct->num_oqs = 0;  in octeon_setup_output_queues()
928 	oct->droq[0] = vzalloc_node(sizeof(*oct->droq[0]), numa_node);  in octeon_setup_output_queues()
929 	if (!oct->droq[0])  in octeon_setup_output_queues()
930 		oct->droq[0] = vzalloc(sizeof(*oct->droq[0]));  in octeon_setup_output_queues()
931 	if (!oct->droq[0])  in octeon_setup_output_queues()
935 		vfree(oct->droq[oq_no]);  in octeon_setup_output_queues()
936 		oct->droq[oq_no] = NULL;  in octeon_setup_output_queues()
939 	oct->num_oqs++;  in octeon_setup_output_queues()
951 	} else if (oct->chip_id == OCTEON_CN23XX_VF_VID) {  in octeon_set_io_queues_off()
958 		for (q_no = 0; q_no < oct->sriov_info.rings_per_vf; q_no++) {  in octeon_set_io_queues_off()
967 				loop--;  in octeon_set_io_queues_off()
970 				dev_err(&oct->pci_dev->dev,  in octeon_set_io_queues_off()
973 				return -1;  in octeon_set_io_queues_off()
984 				dev_err(&oct->pci_dev->dev,  in octeon_set_io_queues_off()
986 				return -1;  in octeon_set_io_queues_off()
1016 	oct->dispatch.count = 0;  in octeon_init_dispatch_list()
1019 		oct->dispatch.dlist[i].opcode = 0;  in octeon_init_dispatch_list()
1020 		INIT_LIST_HEAD(&oct->dispatch.dlist[i].list);  in octeon_init_dispatch_list()
1026 	spin_lock_init(&oct->dispatch.lock);  in octeon_init_dispatch_list()
1038 	spin_lock_bh(&oct->dispatch.lock);  in octeon_delete_dispatch_list()
1043 		dispatch = &oct->dispatch.dlist[i].list;  in octeon_delete_dispatch_list()
1044 		while (dispatch->next != dispatch) {  in octeon_delete_dispatch_list()
1045 			temp = dispatch->next;  in octeon_delete_dispatch_list()
1049 		oct->dispatch.dlist[i].opcode = 0;  in octeon_delete_dispatch_list()
1052 	oct->dispatch.count = 0;  in octeon_delete_dispatch_list()
1054 	spin_unlock_bh(&oct->dispatch.lock);  in octeon_delete_dispatch_list()
1073 	spin_lock_bh(&octeon_dev->dispatch.lock);  in octeon_get_dispatch()
1075 	if (octeon_dev->dispatch.count == 0) {  in octeon_get_dispatch()
1076 		spin_unlock_bh(&octeon_dev->dispatch.lock);  in octeon_get_dispatch()
1080 	if (!(octeon_dev->dispatch.dlist[idx].opcode)) {  in octeon_get_dispatch()
1081 		spin_unlock_bh(&octeon_dev->dispatch.lock);  in octeon_get_dispatch()
1085 	if (octeon_dev->dispatch.dlist[idx].opcode == combined_opcode) {  in octeon_get_dispatch()
1086 		fn = octeon_dev->dispatch.dlist[idx].dispatch_fn;  in octeon_get_dispatch()
1089 			      &octeon_dev->dispatch.dlist[idx].list) {  in octeon_get_dispatch()
1090 			if (((struct octeon_dispatch *)dispatch)->opcode ==  in octeon_get_dispatch()
1093 				      dispatch)->dispatch_fn;  in octeon_get_dispatch()
1099 	spin_unlock_bh(&octeon_dev->dispatch.lock);  in octeon_get_dispatch()
1105  *   octeon_id - id of the octeon device.
1106  *   opcode    - opcode for which driver should call the registered function
1107  *   subcode   - subcode for which driver should call the registered function
1108  *   fn        - The function to call when a packet with "opcode" arrives in
1110  *   fn_arg    - The argument to be passed when calling function "fn".
1132 	spin_lock_bh(&oct->dispatch.lock);  in octeon_register_dispatch_fn()
1134 	if (oct->dispatch.dlist[idx].opcode == 0) {  in octeon_register_dispatch_fn()
1135 		oct->dispatch.dlist[idx].opcode = combined_opcode;  in octeon_register_dispatch_fn()
1136 		oct->dispatch.dlist[idx].dispatch_fn = fn;  in octeon_register_dispatch_fn()
1137 		oct->dispatch.dlist[idx].arg = fn_arg;  in octeon_register_dispatch_fn()
1138 		oct->dispatch.count++;  in octeon_register_dispatch_fn()
1139 		spin_unlock_bh(&oct->dispatch.lock);  in octeon_register_dispatch_fn()
1143 	spin_unlock_bh(&oct->dispatch.lock);  in octeon_register_dispatch_fn()
1152 		dev_dbg(&oct->pci_dev->dev,  in octeon_register_dispatch_fn()
1158 		dispatch->opcode = combined_opcode;  in octeon_register_dispatch_fn()
1159 		dispatch->dispatch_fn = fn;  in octeon_register_dispatch_fn()
1160 		dispatch->arg = fn_arg;  in octeon_register_dispatch_fn()
1165 		spin_lock_bh(&oct->dispatch.lock);  in octeon_register_dispatch_fn()
1166 		list_add(&dispatch->list, &oct->dispatch.dlist[idx].list);  in octeon_register_dispatch_fn()
1167 		oct->dispatch.count++;  in octeon_register_dispatch_fn()
1168 		spin_unlock_bh(&oct->dispatch.lock);  in octeon_register_dispatch_fn()
1175 		dev_err(&oct->pci_dev->dev,  in octeon_register_dispatch_fn()
1189 	struct octeon_recv_pkt *recv_pkt = recv_info->recv_pkt;  in octeon_core_drv_init()
1190 	struct octeon_core_setup *cs = NULL;  in octeon_core_drv_init()  local
1200 	if (atomic_read(&oct->status) >= OCT_DEV_RUNNING) {  in octeon_core_drv_init()
1201 		dev_err(&oct->pci_dev->dev, "Received CORE OK when device state is 0x%x\n",  in octeon_core_drv_init()
1202 			atomic_read(&oct->status));  in octeon_core_drv_init()
1208 		(u32)recv_pkt->rh.r_core_drv_init.app_mode),  in octeon_core_drv_init()
1209 		sizeof(app_name) - 1);  in octeon_core_drv_init()
1210 	oct->app_mode = (u32)recv_pkt->rh.r_core_drv_init.app_mode;  in octeon_core_drv_init()
1211 	if (recv_pkt->rh.r_core_drv_init.app_mode == CVM_DRV_NIC_APP) {  in octeon_core_drv_init()
1212 		oct->fw_info.max_nic_ports =  in octeon_core_drv_init()
1213 			(u32)recv_pkt->rh.r_core_drv_init.max_nic_ports;  in octeon_core_drv_init()
1214 		oct->fw_info.num_gmx_ports =  in octeon_core_drv_init()
1215 			(u32)recv_pkt->rh.r_core_drv_init.num_gmx_ports;  in octeon_core_drv_init()
1218 	if (oct->fw_info.max_nic_ports < num_nic_ports) {  in octeon_core_drv_init()
1219 		dev_err(&oct->pci_dev->dev,  in octeon_core_drv_init()
1221 			num_nic_ports, oct->fw_info.max_nic_ports);  in octeon_core_drv_init()
1224 	oct->fw_info.app_cap_flags = recv_pkt->rh.r_core_drv_init.app_cap_flags;  in octeon_core_drv_init()
1225 	oct->fw_info.app_mode = (u32)recv_pkt->rh.r_core_drv_init.app_mode;  in octeon_core_drv_init()
1226 	oct->pfvf_hsword.app_mode = (u32)recv_pkt->rh.r_core_drv_init.app_mode;  in octeon_core_drv_init()
1228 	oct->pfvf_hsword.pkind = recv_pkt->rh.r_core_drv_init.pkind;  in octeon_core_drv_init()
1230 	for (i = 0; i < oct->num_iqs; i++)  in octeon_core_drv_init()
1231 		oct->instr_queue[i]->txpciq.s.pkind = oct->pfvf_hsword.pkind;  in octeon_core_drv_init()
1233 	atomic_set(&oct->status, OCT_DEV_CORE_OK);  in octeon_core_drv_init()
1235 	cs = &core_setup[oct->octeon_id];  in octeon_core_drv_init()
1237 	if (recv_pkt->buffer_size[0] != (sizeof(*cs) + OCT_DROQ_INFO_SIZE)) {  in octeon_core_drv_init()
1238 		dev_dbg(&oct->pci_dev->dev, "Core setup bytes expected %u found %d\n",  in octeon_core_drv_init()
1239 			(u32)sizeof(*cs),  in octeon_core_drv_init()
1240 			recv_pkt->buffer_size[0]);  in octeon_core_drv_init()
1243 	memcpy(cs, get_rbd(  in octeon_core_drv_init()
1244 	       recv_pkt->buffer_ptr[0]) + OCT_DROQ_INFO_SIZE, sizeof(*cs));  in octeon_core_drv_init()
1246 	strncpy(oct->boardinfo.name, cs->boardname, OCT_BOARD_NAME);  in octeon_core_drv_init()
1247 	strncpy(oct->boardinfo.serial_number, cs->board_serial_number,  in octeon_core_drv_init()
1250 	octeon_swap_8B_data((u64 *)cs, (sizeof(*cs) >> 3));  in octeon_core_drv_init()
1252 	oct->boardinfo.major = cs->board_rev_major;  in octeon_core_drv_init()
1253 	oct->boardinfo.minor = cs->board_rev_minor;  in octeon_core_drv_init()
1255 	dev_info(&oct->pci_dev->dev,  in octeon_core_drv_init()
1257 		 app_name, CVM_CAST64(cs->corefreq));  in octeon_core_drv_init()
1260 	for (i = 0; i < recv_pkt->buffer_count; i++)  in octeon_core_drv_init()
1261 		recv_buffer_free(recv_pkt->buffer_ptr[i]);  in octeon_core_drv_init()
1270 	    (oct->io_qmask.iq & BIT_ULL(q_no)))  in octeon_get_tx_qsize()
1271 		return oct->instr_queue[q_no]->max_count;  in octeon_get_tx_qsize()
1273 	return -1;  in octeon_get_tx_qsize()
1279 	    (oct->io_qmask.oq & BIT_ULL(q_no)))  in octeon_get_rx_qsize()
1280 		return oct->droq[q_no]->max_count;  in octeon_get_rx_qsize()
1281 	return -1;  in octeon_get_rx_qsize()
1306 /* scratch register address is same in all the OCT-II and CN70XX models */
1310  *  @param octeon_id  - The id for which the octeon device pointer is required.
1328 	spin_lock_irqsave(&oct->pci_win_lock, flags);  in lio_pci_readq()
1334 	if ((oct->chip_id == OCTEON_CN66XX) ||  in lio_pci_readq()
1335 	    (oct->chip_id == OCTEON_CN68XX) ||  in lio_pci_readq()
1336 	    (oct->chip_id == OCTEON_CN23XX_PF_VID))  in lio_pci_readq()
1338 	writel(addrhi, oct->reg_list.pci_win_rd_addr_hi);  in lio_pci_readq()
1341 	readl(oct->reg_list.pci_win_rd_addr_hi);  in lio_pci_readq()
1343 	writel(addr & 0xffffffff, oct->reg_list.pci_win_rd_addr_lo);  in lio_pci_readq()
1344 	readl(oct->reg_list.pci_win_rd_addr_lo);  in lio_pci_readq()
1346 	val64 = readq(oct->reg_list.pci_win_rd_data);  in lio_pci_readq()
1348 	spin_unlock_irqrestore(&oct->pci_win_lock, flags);  in lio_pci_readq()
1359 	spin_lock_irqsave(&oct->pci_win_lock, flags);  in lio_pci_writeq()
1361 	writeq(addr, oct->reg_list.pci_win_wr_addr);  in lio_pci_writeq()
1364 	writel(val >> 32, oct->reg_list.pci_win_wr_data_hi);  in lio_pci_writeq()
1366 	readl(oct->reg_list.pci_win_wr_data_hi);  in lio_pci_writeq()
1368 	writel(val & 0xffffffff, oct->reg_list.pci_win_wr_data_lo);  in lio_pci_writeq()
1370 	spin_unlock_irqrestore(&oct->pci_win_lock, flags);  in lio_pci_writeq()
1414  *  @param dev - octeon device pointer passed as a void *.
1424 			return octeon_dev->octeon_id;  in lio_get_device_id()
1425 	return -1;  in lio_get_device_id()
1436 		pkts_pend = (u32)atomic_read(&droq->pkts_pending);  in lio_enable_irq()
1437 		writel(droq->pkt_count - pkts_pend, droq->pkts_sent_reg);  in lio_enable_irq()
1438 		droq->pkt_count = pkts_pend;  in lio_enable_irq()
1439 		oct = droq->oct_dev;  in lio_enable_irq()
1442 		spin_lock_bh(&iq->lock);  in lio_enable_irq()
1443 		writel(iq->pkts_processed, iq->inst_cnt_reg);  in lio_enable_irq()
1444 		iq->pkt_in_done -= iq->pkts_processed;  in lio_enable_irq()
1445 		iq->pkts_processed = 0;  in lio_enable_irq()
1447 		spin_unlock_bh(&iq->lock);  in lio_enable_irq()
1448 		oct = iq->oct_dev;  in lio_enable_irq()
1455 			writeq(CN23XX_INTR_RESEND, droq->pkts_sent_reg);  in lio_enable_irq()
1458 			instr_cnt =  readq(iq->inst_cnt_reg);  in lio_enable_irq()
1461 			       iq->inst_cnt_reg);  in lio_enable_irq()