1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2008 NetXen, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#include <sys/types.h>
28#include <sys/conf.h>
29#include <sys/debug.h>
30#include <sys/stropts.h>
31#include <sys/stream.h>
32#include <sys/strlog.h>
33#include <sys/kmem.h>
34#include <sys/stat.h>
35#include <sys/kstat.h>
36#include <sys/vtrace.h>
37#include <sys/dlpi.h>
38#include <sys/strsun.h>
39#include <sys/ethernet.h>
40#include <sys/modctl.h>
41#include <sys/errno.h>
42#include <sys/dditypes.h>
43#include <sys/ddi.h>
44#include <sys/sunddi.h>
45#include <sys/sysmacros.h>
46#include <sys/pci.h>
47
48#include "unm_nic_hw.h"
49#include "unm_nic.h"
50#include "nic_phan_reg.h"
51#include "nic_cmn.h"
52
53typedef unsigned int nx_rcode_t;
54
55#include "nx_errorcode.h"
56#include "nxhal_nic_interface.h"
57
58#define	NXHAL_VERSION	1
59
60#define	NX_OS_CRB_RETRY_COUNT	4000
61
62#define	NX_CDRP_CLEAR		0x00000000
63#define	NX_CDRP_CMD_BIT		0x80000000
64
65/*
66 * All responses must have the NX_CDRP_CMD_BIT cleared
67 * in the crb NX_CDRP_CRB_OFFSET.
68 */
69#define	NX_CDRP_FORM_RSP(rsp)	(rsp)
70#define	NX_CDRP_IS_RSP(rsp)	(((rsp) & NX_CDRP_CMD_BIT) == 0)
71
72#define	NX_CDRP_RSP_OK		0x00000001
73#define	NX_CDRP_RSP_FAIL	0x00000002
74#define	NX_CDRP_RSP_TIMEOUT	0x00000003
75
76/*
77 * All commands must have the NX_CDRP_CMD_BIT set in
78 * the crb NX_CDRP_CRB_OFFSET.
79 */
80#define	NX_CDRP_FORM_CMD(cmd)	(NX_CDRP_CMD_BIT | (cmd))
81#define	NX_CDRP_IS_CMD(cmd)	(((cmd) & NX_CDRP_CMD_BIT) != 0)
82
83#define	NX_CDRP_CMD_SUBMIT_CAPABILITIES		0x00000001
84#define	NX_CDRP_CMD_READ_MAX_RDS_PER_CTX    0x00000002
85#define	NX_CDRP_CMD_READ_MAX_SDS_PER_CTX    0x00000003
86#define	NX_CDRP_CMD_READ_MAX_RULES_PER_CTX  0x00000004
87#define	NX_CDRP_CMD_READ_MAX_RX_CTX			0x00000005
88#define	NX_CDRP_CMD_READ_MAX_TX_CTX			0x00000006
89#define	NX_CDRP_CMD_CREATE_RX_CTX			0x00000007
90#define	NX_CDRP_CMD_DESTROY_RX_CTX			0x00000008
91#define	NX_CDRP_CMD_CREATE_TX_CTX			0x00000009
92#define	NX_CDRP_CMD_DESTROY_TX_CTX			0x0000000a
93#define	NX_CDRP_CMD_SETUP_STATISTICS		0x0000000e
94#define	NX_CDRP_CMD_GET_STATISTICS			0x0000000f
95#define	NX_CDRP_CMD_DELETE_STATISTICS		0x00000010
96#define	NX_CDRP_CMD_SET_MTU					0x00000012
97#define	NX_CDRP_CMD_MAX						0x00000013
98
99#define	NX_DESTROY_CTX_RESET		0
100#define	NX_DESTROY_CTX_D3_RESET		1
101#define	NX_DESTROY_CTX_MAX		2
102
103/*
104 * Context state
105 */
106#define	NX_HOST_CTX_STATE_FREED		0
107#define	NX_HOST_CTX_STATE_ALLOCATED	1
108#define	NX_HOST_CTX_STATE_ACTIVE	2
109#define	NX_HOST_CTX_STATE_DISABLED	3
110#define	NX_HOST_CTX_STATE_QUIESCED	4
111#define	NX_HOST_CTX_STATE_MAX		5
112
113static int
114netxen_api_lock(struct unm_adapter_s *adapter)
115{
116	u32 done = 0, timeout = 0;
117
118	for (;;) {
119		/* Acquire PCIE HW semaphore5 */
120		unm_nic_read_w0(adapter,
121		    UNM_PCIE_REG(PCIE_SEM5_LOCK), &done);
122
123		if (done == 1)
124			break;
125
126		if (++timeout >= NX_OS_CRB_RETRY_COUNT) {
127			cmn_err(CE_WARN, "%s: lock timeout.\n", __func__);
128			return (-1);
129		}
130
131		drv_usecwait(1000);
132	}
133
134#if 0
135	unm_nic_reg_write(adapter, NETXEN_API_LOCK_ID, NX_OS_API_LOCK_DRIVER);
136#endif
137	return (0);
138}
139
140static void
141netxen_api_unlock(struct unm_adapter_s *adapter)
142{
143	u32 val;
144
145	/* Release PCIE HW semaphore5 */
146	unm_nic_read_w0(adapter,
147	    UNM_PCIE_REG(PCIE_SEM5_UNLOCK), &val);
148}
149
150static u32
151netxen_poll_rsp(struct unm_adapter_s *adapter)
152{
153	u32 raw_rsp, rsp = NX_CDRP_RSP_OK;
154	int	timeout = 0;
155
156	do {
157		/* give atleast 1ms for firmware to respond */
158		drv_usecwait(1000);
159
160		if (++timeout > NX_OS_CRB_RETRY_COUNT)
161			return (NX_CDRP_RSP_TIMEOUT);
162
163		adapter->unm_nic_hw_read_wx(adapter, NX_CDRP_CRB_OFFSET,
164		    &raw_rsp, 4);
165
166		rsp = LE_TO_HOST_32(raw_rsp);
167	} while (!NX_CDRP_IS_RSP(rsp));
168
169	return (rsp);
170}
171
172static u32
173netxen_issue_cmd(struct unm_adapter_s *adapter,
174	u32 pci_fn, u32 version, u32 arg1, u32 arg2, u32 arg3, u32 cmd)
175{
176	u32 rsp;
177	u32 signature = 0;
178	u32 rcode = NX_RCODE_SUCCESS;
179
180	signature = NX_CDRP_SIGNATURE_MAKE(pci_fn, version);
181
182	/* Acquire semaphore before accessing CRB */
183	if (netxen_api_lock(adapter))
184		return (NX_RCODE_TIMEOUT);
185
186	unm_nic_reg_write(adapter, NX_SIGN_CRB_OFFSET,
187	    HOST_TO_LE_32(signature));
188
189	unm_nic_reg_write(adapter, NX_ARG1_CRB_OFFSET,
190	    HOST_TO_LE_32(arg1));
191
192	unm_nic_reg_write(adapter, NX_ARG2_CRB_OFFSET,
193	    HOST_TO_LE_32(arg2));
194
195	unm_nic_reg_write(adapter, NX_ARG3_CRB_OFFSET,
196	    HOST_TO_LE_32(arg3));
197
198	unm_nic_reg_write(adapter, NX_CDRP_CRB_OFFSET,
199	    HOST_TO_LE_32(NX_CDRP_FORM_CMD(cmd)));
200
201	rsp = netxen_poll_rsp(adapter);
202
203	if (rsp == NX_CDRP_RSP_TIMEOUT) {
204		cmn_err(CE_WARN, "%s: card response timeout.\n",
205		    unm_nic_driver_name);
206
207		rcode = NX_RCODE_TIMEOUT;
208	} else if (rsp == NX_CDRP_RSP_FAIL) {
209		adapter->unm_nic_hw_read_wx(adapter, NX_ARG1_CRB_OFFSET,
210		    &rcode, 4);
211		rcode = LE_TO_HOST_32(rcode);
212
213		cmn_err(CE_WARN, "%s: failed card response code:0x%x\n",
214		    unm_nic_driver_name, rcode);
215	}
216
217	/* Release semaphore */
218	netxen_api_unlock(adapter);
219
220	return (rcode);
221}
222
223int
224nx_fw_cmd_set_mtu(struct unm_adapter_s *adapter, int mtu)
225{
226	u32 rcode = NX_RCODE_SUCCESS;
227	struct unm_recv_context_s *recv_ctx = &adapter->recv_ctx[0];
228
229	if (recv_ctx->state == NX_HOST_CTX_STATE_ACTIVE)
230		rcode = netxen_issue_cmd(adapter,
231		    adapter->ahw.pci_func,
232		    NXHAL_VERSION,
233		    recv_ctx->context_id,
234		    mtu,
235		    0,
236		    NX_CDRP_CMD_SET_MTU);
237
238	if (rcode != NX_RCODE_SUCCESS)
239		return (-EIO);
240
241	return (0);
242}
243
244static int
245nx_fw_cmd_create_rx_ctx(struct unm_adapter_s *adapter)
246{
247	unm_recv_context_t	*recv_ctx = &adapter->recv_ctx[0];
248	nx_hostrq_rx_ctx_t	*prq;
249	nx_cardrsp_rx_ctx_t	*prsp;
250	nx_hostrq_rds_ring_t	*prq_rds;
251	nx_hostrq_sds_ring_t	*prq_sds;
252	nx_cardrsp_rds_ring_t	*prsp_rds;
253	nx_cardrsp_sds_ring_t	*prsp_sds;
254	unm_rcv_desc_ctx_t	*rcv_desc;
255	ddi_dma_cookie_t	cookie;
256	ddi_dma_handle_t	rqdhdl, rsdhdl;
257	ddi_acc_handle_t	rqahdl, rsahdl;
258	uint64_t		hostrq_phys_addr, cardrsp_phys_addr;
259	u64			phys_addr;
260	u32			cap, reg;
261	size_t			rq_size, rsp_size;
262	void			*addr;
263	int			i, nrds_rings, nsds_rings, err;
264
265	/* only one sds ring for now */
266	nrds_rings = adapter->max_rds_rings;
267	nsds_rings = 1;
268
269	rq_size =
270	    SIZEOF_HOSTRQ_RX(nx_hostrq_rx_ctx_t, nrds_rings, nsds_rings);
271	rsp_size =
272	    SIZEOF_CARDRSP_RX(nx_cardrsp_rx_ctx_t, nrds_rings, nsds_rings);
273
274	if (unm_pci_alloc_consistent(adapter, rq_size, (caddr_t *)&addr,
275	    &cookie, &rqdhdl, &rqahdl) != DDI_SUCCESS)
276		return (-ENOMEM);
277	hostrq_phys_addr = cookie.dmac_laddress;
278	prq = (nx_hostrq_rx_ctx_t *)addr;
279
280	if (unm_pci_alloc_consistent(adapter, rsp_size, (caddr_t *)&addr,
281	    &cookie, &rsdhdl, &rsahdl) != DDI_SUCCESS) {
282		err = -ENOMEM;
283		goto out_free_rq;
284	}
285	cardrsp_phys_addr = cookie.dmac_laddress;
286	prsp = (nx_cardrsp_rx_ctx_t *)addr;
287
288	prq->host_rsp_dma_addr = HOST_TO_LE_64(cardrsp_phys_addr);
289
290	cap = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN);
291	cap |= (NX_CAP0_JUMBO_CONTIGUOUS);
292
293	prq->capabilities[0] = HOST_TO_LE_32(cap);
294	prq->host_int_crb_mode =
295	    HOST_TO_LE_32(NX_HOST_INT_CRB_MODE_SHARED);
296	prq->host_rds_crb_mode =
297	    HOST_TO_LE_32(NX_HOST_RDS_CRB_MODE_UNIQUE);
298
299	prq->num_rds_rings = HOST_TO_LE_16(nrds_rings);
300	prq->num_sds_rings = HOST_TO_LE_16(nsds_rings);
301	prq->rds_ring_offset = 0;
302	prq->sds_ring_offset = prq->rds_ring_offset +
303	    (sizeof (nx_hostrq_rds_ring_t) * nrds_rings);
304
305	prq_rds = (nx_hostrq_rds_ring_t *)(uintptr_t)((char *)prq +
306	    sizeof (*prq) + prq->rds_ring_offset);
307
308	for (i = 0; i < nrds_rings; i++) {
309		rcv_desc = &recv_ctx->rcv_desc[i];
310
311		prq_rds[i].host_phys_addr = HOST_TO_LE_64(rcv_desc->phys_addr);
312		prq_rds[i].ring_size = HOST_TO_LE_32(rcv_desc->MaxRxDescCount);
313		prq_rds[i].ring_kind = HOST_TO_LE_32(i);
314		prq_rds[i].buff_size = HOST_TO_LE_64(rcv_desc->dma_size);
315	}
316
317	prq_sds = (nx_hostrq_sds_ring_t *)(uintptr_t)((char *)prq +
318	    sizeof (*prq) + prq->sds_ring_offset);
319
320	prq_sds[0].host_phys_addr =
321	    HOST_TO_LE_64(recv_ctx->rcvStatusDesc_physAddr);
322	prq_sds[0].ring_size = HOST_TO_LE_32(adapter->MaxRxDescCount);
323	/* only one msix vector for now */
324	prq_sds[0].msi_index = HOST_TO_LE_32(0);
325
326	/* now byteswap offsets */
327	prq->rds_ring_offset = HOST_TO_LE_32(prq->rds_ring_offset);
328	prq->sds_ring_offset = HOST_TO_LE_32(prq->sds_ring_offset);
329
330	phys_addr = hostrq_phys_addr;
331	err = netxen_issue_cmd(adapter,
332	    adapter->ahw.pci_func,
333	    NXHAL_VERSION,
334	    (u32)(phys_addr >> 32),
335	    (u32)(phys_addr & 0xffffffff),
336	    rq_size,
337	    NX_CDRP_CMD_CREATE_RX_CTX);
338	if (err) {
339		cmn_err(CE_WARN, "Failed to create rx ctx in firmware%d\n",
340		    err);
341		goto out_free_rsp;
342	}
343
344
345	prsp_rds = (nx_cardrsp_rds_ring_t *)(uintptr_t)((char *)prsp +
346	    sizeof (*prsp) + prsp->rds_ring_offset);
347
348	for (i = 0; i < LE_TO_HOST_32(prsp->num_rds_rings); i++) {
349		rcv_desc = &recv_ctx->rcv_desc[i];
350
351		reg = LE_TO_HOST_32(prsp_rds[i].host_producer_crb);
352		rcv_desc->host_rx_producer = UNM_NIC_REG(reg - 0x200);
353	}
354
355	prsp_sds = (nx_cardrsp_sds_ring_t *)(uintptr_t)((char *)prsp +
356	    sizeof (*prsp) + prsp->sds_ring_offset);
357	reg = LE_TO_HOST_32(prsp_sds[0].host_consumer_crb);
358	recv_ctx->host_sds_consumer = UNM_NIC_REG(reg - 0x200);
359
360	reg = LE_TO_HOST_32(prsp_sds[0].interrupt_crb);
361	adapter->interrupt_crb = UNM_NIC_REG(reg - 0x200);
362
363	recv_ctx->state = LE_TO_HOST_32(prsp->host_ctx_state);
364	recv_ctx->context_id = LE_TO_HOST_16(prsp->context_id);
365	recv_ctx->virt_port = LE_TO_HOST_16(prsp->virt_port);
366
367out_free_rsp:
368	unm_pci_free_consistent(&rsdhdl, &rsahdl);
369out_free_rq:
370	unm_pci_free_consistent(&rqdhdl, &rqahdl);
371	return (err);
372}
373
374static void
375nx_fw_cmd_destroy_rx_ctx(struct unm_adapter_s *adapter)
376{
377	struct unm_recv_context_s *recv_ctx = &adapter->recv_ctx[0];
378
379	if (netxen_issue_cmd(adapter,
380	    adapter->ahw.pci_func,
381	    NXHAL_VERSION,
382	    recv_ctx->context_id,
383	    NX_DESTROY_CTX_RESET,
384	    0,
385	    NX_CDRP_CMD_DESTROY_RX_CTX)) {
386
387		cmn_err(CE_WARN, "%s: Failed to destroy rx ctx in firmware\n",
388		    unm_nic_driver_name);
389	}
390}
391
392static int
393nx_fw_cmd_create_tx_ctx(struct unm_adapter_s *adapter)
394{
395	nx_hostrq_tx_ctx_t	*prq;
396	nx_hostrq_cds_ring_t	*prq_cds;
397	nx_cardrsp_tx_ctx_t	*prsp;
398	ddi_dma_cookie_t	cookie;
399	ddi_dma_handle_t	rqdhdl, rsdhdl;
400	ddi_acc_handle_t	rqahdl, rsahdl;
401	void			*rq_addr, *rsp_addr;
402	size_t			rq_size, rsp_size;
403	u32			temp;
404	int			err = 0;
405	u64			offset, phys_addr;
406	uint64_t		rq_phys_addr, rsp_phys_addr;
407
408	rq_size = SIZEOF_HOSTRQ_TX(nx_hostrq_tx_ctx_t);
409	if (unm_pci_alloc_consistent(adapter, rq_size, (caddr_t *)&rq_addr,
410	    &cookie, &rqdhdl, &rqahdl) != DDI_SUCCESS)
411		return (-ENOMEM);
412	rq_phys_addr = cookie.dmac_laddress;
413
414	rsp_size = SIZEOF_CARDRSP_TX(nx_cardrsp_tx_ctx_t);
415	if (unm_pci_alloc_consistent(adapter, rsp_size, (caddr_t *)&rsp_addr,
416	    &cookie, &rsdhdl, &rsahdl) != DDI_SUCCESS) {
417		err = -ENOMEM;
418		goto out_free_rq;
419	}
420	rsp_phys_addr = cookie.dmac_laddress;
421
422	(void) memset(rq_addr, 0, rq_size);
423	prq = (nx_hostrq_tx_ctx_t *)rq_addr;
424
425	(void) memset(rsp_addr, 0, rsp_size);
426	prsp = (nx_cardrsp_tx_ctx_t *)rsp_addr;
427
428	prq->host_rsp_dma_addr = HOST_TO_LE_64(rsp_phys_addr);
429
430	temp = (NX_CAP0_LEGACY_CONTEXT | NX_CAP0_LEGACY_MN);
431	prq->capabilities[0] = HOST_TO_LE_32(temp);
432
433	prq->host_int_crb_mode =
434	    HOST_TO_LE_32(NX_HOST_INT_CRB_MODE_SHARED);
435
436	prq->interrupt_ctl = 0;
437	prq->msi_index = 0;
438
439	prq->dummy_dma_addr = HOST_TO_LE_64(adapter->dummy_dma.phys_addr);
440
441	offset = adapter->ctxDesc_physAddr + sizeof (RingContext);
442	prq->cmd_cons_dma_addr = HOST_TO_LE_64(offset);
443
444	prq_cds = &prq->cds_ring;
445
446	prq_cds->host_phys_addr =
447	    HOST_TO_LE_64(adapter->ahw.cmdDesc_physAddr);
448
449	prq_cds->ring_size = HOST_TO_LE_32(adapter->MaxTxDescCount);
450
451	phys_addr = rq_phys_addr;
452	err = netxen_issue_cmd(adapter,
453	    adapter->ahw.pci_func,
454	    NXHAL_VERSION,
455	    (u32)(phys_addr >> 32),
456	    ((u32)phys_addr & 0xffffffff),
457	    rq_size,
458	    NX_CDRP_CMD_CREATE_TX_CTX);
459
460	if (err == NX_RCODE_SUCCESS) {
461		temp = LE_TO_HOST_32(prsp->cds_ring.host_producer_crb);
462		adapter->crb_addr_cmd_producer =
463		    UNM_NIC_REG(temp - 0x200);
464#if 0
465		adapter->tx_state =
466		    LE_TO_HOST_32(prsp->host_ctx_state);
467#endif
468		adapter->tx_context_id =
469		    LE_TO_HOST_16(prsp->context_id);
470	} else {
471		cmn_err(CE_WARN, "Failed to create tx ctx in firmware%d\n",
472		    err);
473		err = -EIO;
474	}
475
476	unm_pci_free_consistent(&rsdhdl, &rsahdl);
477
478out_free_rq:
479	unm_pci_free_consistent(&rqdhdl, &rqahdl);
480
481	return (err);
482}
483
484static void
485nx_fw_cmd_destroy_tx_ctx(struct unm_adapter_s *adapter)
486{
487	if (netxen_issue_cmd(adapter,
488	    adapter->ahw.pci_func,
489	    NXHAL_VERSION,
490	    adapter->tx_context_id,
491	    NX_DESTROY_CTX_RESET,
492	    0,
493	    NX_CDRP_CMD_DESTROY_TX_CTX)) {
494
495		cmn_err(CE_WARN, "%s: Failed to destroy tx ctx in firmware\n",
496		    unm_nic_driver_name);
497	}
498}
499
500static u64 ctx_addr_sig_regs[][3] = {
501	{UNM_NIC_REG(0x188), UNM_NIC_REG(0x18c), UNM_NIC_REG(0x1c0)},
502	{UNM_NIC_REG(0x190), UNM_NIC_REG(0x194), UNM_NIC_REG(0x1c4)},
503	{UNM_NIC_REG(0x198), UNM_NIC_REG(0x19c), UNM_NIC_REG(0x1c8)},
504	{UNM_NIC_REG(0x1a0), UNM_NIC_REG(0x1a4), UNM_NIC_REG(0x1cc)}
505};
506
507#define	CRB_CTX_ADDR_REG_LO(FUNC_ID)	(ctx_addr_sig_regs[FUNC_ID][0])
508#define	CRB_CTX_ADDR_REG_HI(FUNC_ID)	(ctx_addr_sig_regs[FUNC_ID][2])
509#define	CRB_CTX_SIGNATURE_REG(FUNC_ID)	(ctx_addr_sig_regs[FUNC_ID][1])
510
511struct netxen_recv_crb {
512	u32	crb_rcv_producer[NUM_RCV_DESC_RINGS];
513	u32	crb_sts_consumer;
514};
515
516static struct netxen_recv_crb recv_crb_registers[] = {
517	/* Instance 0 */
518	{
519		/* crb_rcv_producer: */
520		{
521			UNM_NIC_REG(0x100),
522			/* Jumbo frames */
523			UNM_NIC_REG(0x110),
524			/* LRO */
525			UNM_NIC_REG(0x120)
526		},
527		/* crb_sts_consumer: */
528		UNM_NIC_REG(0x138),
529	},
530	/* Instance 1 */
531	{
532		/* crb_rcv_producer: */
533		{
534			UNM_NIC_REG(0x144),
535			/* Jumbo frames */
536			UNM_NIC_REG(0x154),
537			/* LRO */
538			UNM_NIC_REG(0x164)
539		},
540		/* crb_sts_consumer: */
541		UNM_NIC_REG(0x17c),
542	},
543	/* Instance 2 */
544	{
545		/* crb_rcv_producer: */
546		{
547			UNM_NIC_REG(0x1d8),
548			/* Jumbo frames */
549			UNM_NIC_REG(0x1f8),
550			/* LRO */
551			UNM_NIC_REG(0x208)
552		},
553		/* crb_sts_consumer: */
554		UNM_NIC_REG(0x220),
555	},
556	/* Instance 3 */
557	{
558		/* crb_rcv_producer: */
559		{
560			UNM_NIC_REG(0x22c),
561			/* Jumbo frames */
562			UNM_NIC_REG(0x23c),
563			/* LRO */
564			UNM_NIC_REG(0x24c)
565		},
566		/* crb_sts_consumer: */
567		UNM_NIC_REG(0x264),
568	},
569};
570
571static uint32_t sw_int_mask[4] = {
572	CRB_SW_INT_MASK_0, CRB_SW_INT_MASK_1,
573	CRB_SW_INT_MASK_2, CRB_SW_INT_MASK_3
574};
575
576static int
577netxen_init_old_ctx(struct unm_adapter_s *adapter)
578{
579	hardware_context		*hw = &adapter->ahw;
580	struct unm_recv_context_s	*recv_ctx;
581	unm_rcv_desc_ctx_t		*rcv_desc;
582	int				ctx, ring, func_id = adapter->portnum;
583	unsigned int			temp;
584
585	adapter->ctxDesc->CmdRingAddrLo = hw->cmdDesc_physAddr & 0xffffffffUL;
586	adapter->ctxDesc->CmdRingAddrHi = ((U64)hw->cmdDesc_physAddr >> 32);
587	adapter->ctxDesc->CmdRingSize = adapter->MaxTxDescCount;
588
589	for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
590		recv_ctx = &adapter->recv_ctx[ctx];
591
592		for (ring = 0; ring < adapter->max_rds_rings; ring++) {
593			rcv_desc = &recv_ctx->rcv_desc[ring];
594
595			adapter->ctxDesc->RcvContext[ring].RcvRingAddrLo =
596			    rcv_desc->phys_addr & 0xffffffffUL;
597			adapter->ctxDesc->RcvContext[ring].RcvRingAddrHi =
598			    ((U64)rcv_desc->phys_addr>>32);
599			adapter->ctxDesc->RcvContext[ring].RcvRingSize =
600			    rcv_desc->MaxRxDescCount;
601
602			rcv_desc->host_rx_producer =
603			    recv_crb_registers[adapter->portnum].
604			    crb_rcv_producer[ring];
605		}
606
607		adapter->ctxDesc->StsRingAddrLo =
608		    recv_ctx->rcvStatusDesc_physAddr & 0xffffffff;
609		adapter->ctxDesc->StsRingAddrHi =
610		    recv_ctx->rcvStatusDesc_physAddr >> 32;
611		adapter->ctxDesc->StsRingSize = adapter->MaxRxDescCount;
612
613		recv_ctx->host_sds_consumer =
614		    recv_crb_registers[adapter->portnum].crb_sts_consumer;
615	}
616
617	adapter->interrupt_crb = sw_int_mask[adapter->portnum];
618
619	temp = lower32(adapter->ctxDesc_physAddr);
620	adapter->unm_nic_hw_write_wx(adapter, CRB_CTX_ADDR_REG_LO(func_id),
621	    &temp, 4);
622	temp = upper32(adapter->ctxDesc_physAddr);
623	adapter->unm_nic_hw_write_wx(adapter, CRB_CTX_ADDR_REG_HI(func_id),
624	    &temp, 4);
625	temp = UNM_CTX_SIGNATURE | func_id;
626	adapter->unm_nic_hw_write_wx(adapter, CRB_CTX_SIGNATURE_REG(func_id),
627	    &temp, 4);
628
629	return (0);
630}
631
632void
633netxen_destroy_rxtx(struct unm_adapter_s *adapter)
634{
635	if (adapter->fw_major >= 4) {
636		nx_fw_cmd_destroy_tx_ctx(adapter);
637		nx_fw_cmd_destroy_rx_ctx(adapter);
638	}
639}
640
641int
642netxen_create_rxtx(struct unm_adapter_s *adapter)
643{
644	int	err;
645
646	if (adapter->fw_major >= 4) {
647		err = nx_fw_cmd_create_rx_ctx(adapter);
648		if (err)
649			return (err);
650		err = nx_fw_cmd_create_tx_ctx(adapter);
651		if (err)
652			nx_fw_cmd_destroy_rx_ctx(adapter);
653		return (err);
654	} else {
655		return (netxen_init_old_ctx(adapter));
656	}
657}
658