[OpenSPARC-T2-SAM] / hypervisor / src / greatlakes / huron / src / res_niu_network.c

/*
* ========== Copyright Header Begin ==========================================
*
* Hypervisor Software File: res_niu_network.c
* 
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
* 
*  - Do no alter or remove copyright notices
* 
*  - Redistribution and use of this software in source and binary forms, with 
*    or without modification, are permitted provided that the following 
*    conditions are met: 
* 
*  - Redistribution of source code must retain the above copyright notice, 
*    this list of conditions and the following disclaimer.
* 
*  - Redistribution in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution. 
* 
*    Neither the name of Sun Microsystems, Inc. or the names of contributors 
* may be used to endorse or promote products derived from this software 
* without specific prior written permission. 
* 
*     This software is provided "AS IS," without a warranty of any kind. 
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, 
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A 
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN 
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR 
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR 
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN 
* OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR 
* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE 
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, 
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF 
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
* 
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or maintenance of
* any nuclear facility. 
* 
* ========== Copyright Header End ============================================
*/
/*
 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */


#pragma ident	"@(#)res_niu_network.c	1.9	07/08/16 SMI"

#include <stdarg.h>

#include <sys/htypes.h>
#include <hypervisor.h>
#include <traps.h>
#include <sun4v/asi.h>
#include <sun4v/errs_defs.h>
#include <vdev_ops.h>
#include <vdev_intr.h>
#include <config.h>
#include <ncs.h>
#include <mmu.h>
#include <cyclic.h>
#include <vcpu.h>
#include <strand.h>
#include <guest.h>
#include <segments.h>
#include <memory.h>
#include <network.h>
#include <support.h>
#include <md.h>
#include <abort.h>
#include <proto.h>
#include <niu.h>
#include <fpga.h>

#ifdef STANDALONE_NET_DEVICES

extern const struct niu_cookie niu_dev[];

/*
 * (re)-configuration code to handle HV NIU network resources
 */

void
reset_platform_network_devices(guest_t *guestp, network_device_t *netp)
{
	extern const struct niu_cookie niu_dev[];
	int	i;

	/* reset attached network devices */
	netp = config.network_devices;
	for (i = 0; i < NUM_NETWORK_DEVICES; i++) {

		DBGNET(c_printf("network device 0x%x assigned to guest 0x%x\n",
		    &netp[i], netp[i].guestp));

		/* if device is assigned to this guest, soft reset the device */
		if (netp[i].guestp == guestp) {
			DBGNET(c_printf(
			    "Soft Reset network device 0x%x cookie 0x%x\n",
			    i, niu_dev[i]));

			niu_reset();
			xaui_reset();

			c_bzero(guestp->guest_m.niu_statep,
			    sizeof (struct niu_state));

			niu_init();
		}
	}
}

#define	ASSIGN_NIU_SEGMENTS(_guestp)					\
		assign_ra2pa_segments(guestp, NIU_ADDR_BASE,		\
		    NIU_ADDR_LIMIT - NIU_ADDR_BASE, 0, IO_SEGMENT);

#define	UNASSIGN_NIU_SEGMENTS(_guestp)					\
		assign_ra2pa_segments(guestp, NIU_ADDR_BASE,		\
		    NIU_ADDR_LIMIT - NIU_ADDR_BASE, 0, INVALID_SEGMENT);

void
config_a_guest_network_device(network_device_t *netp)
{
	guest_t *guestp;
	int id, vinobase, x;
	uint8_t devid;

	guestp = netp->guestp;
	id = netp->id;

	ASSERT(guestp != NULL);

	devid = (netp->cfg_handle) >> DEVCFGPA_SHIFT;
	vinobase = netp->cfg_handle;

	switch (id) {
		case (0):
			guestp->dev2inst[devid] = DEVOPS_NIU;
			ASSIGN_NIU_SEGMENTS(guestp);
			DBGNET(c_printf("\tNOTICE NIU 0x%x "	\
			    "configured for guest 0x%x\n", id,
			    guestp->guestid));
			break;
		default:
			DBGNET(c_printf("\tWARNING NIU 0x%x not "
			    "supported for guest 0x%x\n", id, guestp->guestid));
			/* should probably panic here */
			break;
	}

	for (x = 0; x < NINOSPERDEV; x++) {
		guestp->vino2inst.vino[vinobase + x] = DEVOPS_NIU;
	}

	guestp->guest_m.niu_statep = &niu_state;

	niu_init();
}

void
unconfig_a_guest_network_device(network_device_t *netp)
{
	guest_t *guestp;
	int id, vinobase, x;
	uint8_t devid;

	guestp = netp->guestp;
	id = netp->id;

	ASSERT(guestp != NULL);

	devid = (netp->cfg_handle) >> DEVCFGPA_SHIFT;
	vinobase = netp->cfg_handle;

	guestp->dev2inst[devid] = DEVOPS_RESERVED;
	for (x = 0; x < NINOSPERDEV; x++) {
		guestp->vino2inst.vino[vinobase + x] = DEVOPS_RESERVED;
	}

	guestp->guest_m.niu_statep = NULL;

	/*
	 * We clear out the NIU address segments by setting their size
	 * to INVALID_SEGMENT_SIZE and flags to INVALID_SEGMENT.
	 */
	switch (id) {
	case (0):
		UNASSIGN_NIU_SEGMENTS(guestp);
		break;
	default:
		break;
	}
}

#endif	/* STANDALONE_NET_DEVICES */
Commit	Line	Data
920dae64 AT	1	/*
	2	* ========== Copyright Header Begin ==========================================
	3	*
	4	* Hypervisor Software File: res_niu_network.c
	5	*
	6	* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
	7	*
	8	* - Do no alter or remove copyright notices
	9	*
	10	* - Redistribution and use of this software in source and binary forms, with
	11	* or without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistribution of source code must retain the above copyright notice,
	15	* this list of conditions and the following disclaimer.
	16	*
	17	* - Redistribution in binary form must reproduce the above copyright notice,
	18	* this list of conditions and the following disclaimer in the
	19	* documentation and/or other materials provided with the distribution.
	20	*
	21	* Neither the name of Sun Microsystems, Inc. or the names of contributors
	22	* may be used to endorse or promote products derived from this software
	23	* without specific prior written permission.
	24	*
	25	* This software is provided "AS IS," without a warranty of any kind.
	26	* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
	27	* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
	28	* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
	29	* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
	30	* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
	31	* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
	32	* OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
	33	* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
	34	* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
	35	* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
	36	* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
	37	*
	38	* You acknowledge that this software is not designed, licensed or
	39	* intended for use in the design, construction, operation or maintenance of
	40	* any nuclear facility.
	41	*
	42	* ========== Copyright Header End ============================================
	43	*/
	44	/*
	45	* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
	46	* Use is subject to license terms.
	47	*/
	48
	49
	50	#pragma ident "@(#)res_niu_network.c 1.9 07/08/16 SMI"
	51
	52	#include <stdarg.h>
	53
	54	#include <sys/htypes.h>
	55	#include <hypervisor.h>
	56	#include <traps.h>
	57	#include <sun4v/asi.h>
	58	#include <sun4v/errs_defs.h>
	59	#include <vdev_ops.h>
	60	#include <vdev_intr.h>
	61	#include <config.h>
	62	#include <ncs.h>
	63	#include <mmu.h>
	64	#include <cyclic.h>
65	#include <vcpu.h>
66	#include <strand.h>
67	#include <guest.h>
68	#include <segments.h>
69	#include <memory.h>
70	#include <network.h>
71	#include <support.h>
72	#include <md.h>
73	#include <abort.h>
74	#include <proto.h>
75	#include <niu.h>
76	#include <fpga.h>
77
78	#ifdef STANDALONE_NET_DEVICES
79
80	extern const struct niu_cookie niu_dev[];
81
82	/*
83	* (re)-configuration code to handle HV NIU network resources
84	*/
85
86	void
87	reset_platform_network_devices(guest_t guestp, network_device_t netp)
88	{
89	extern const struct niu_cookie niu_dev[];
90	int i;
91
92	/* reset attached network devices */
93	netp = config.network_devices;
94	for (i = 0; i < NUM_NETWORK_DEVICES; i++) {
95
96	DBGNET(c_printf("network device 0x%x assigned to guest 0x%x\n",
97	&netp[i], netp[i].guestp));
98
99	/* if device is assigned to this guest, soft reset the device */
100	if (netp[i].guestp == guestp) {
101	DBGNET(c_printf(
102	"Soft Reset network device 0x%x cookie 0x%x\n",
103	i, niu_dev[i]));
104
105	niu_reset();
106	xaui_reset();
107
108	c_bzero(guestp->guest_m.niu_statep,
109	sizeof (struct niu_state));
110
111	niu_init();
112	}
113	}
114	}
115
116	#define ASSIGN_NIU_SEGMENTS(_guestp) \
117	assign_ra2pa_segments(guestp, NIU_ADDR_BASE, \
118	NIU_ADDR_LIMIT - NIU_ADDR_BASE, 0, IO_SEGMENT);
119
120	#define UNASSIGN_NIU_SEGMENTS(_guestp) \
121	assign_ra2pa_segments(guestp, NIU_ADDR_BASE, \
122	NIU_ADDR_LIMIT - NIU_ADDR_BASE, 0, INVALID_SEGMENT);
123
124	void
125	config_a_guest_network_device(network_device_t *netp)
126	{
127	guest_t *guestp;
128	int id, vinobase, x;
129	uint8_t devid;
130
131	guestp = netp->guestp;
132	id = netp->id;
133
134	ASSERT(guestp != NULL);
135
136	devid = (netp->cfg_handle) >> DEVCFGPA_SHIFT;
137	vinobase = netp->cfg_handle;
138
139	switch (id) {
140	case (0):
141	guestp->dev2inst[devid] = DEVOPS_NIU;
142	ASSIGN_NIU_SEGMENTS(guestp);
143	DBGNET(c_printf("\tNOTICE NIU 0x%x " \
144	"configured for guest 0x%x\n", id,
145	guestp->guestid));
146	break;
147	default:
148	DBGNET(c_printf("\tWARNING NIU 0x%x not "
149	"supported for guest 0x%x\n", id, guestp->guestid));
150	/* should probably panic here */
151	break;
152	}
153
154	for (x = 0; x < NINOSPERDEV; x++) {
155	guestp->vino2inst.vino[vinobase + x] = DEVOPS_NIU;
156	}
157
158	guestp->guest_m.niu_statep = &niu_state;
159
160	niu_init();
161	}
162
163	void
164	unconfig_a_guest_network_device(network_device_t *netp)
165	{
166	guest_t *guestp;
167	int id, vinobase, x;
168	uint8_t devid;
169
170	guestp = netp->guestp;
171	id = netp->id;
172
173	ASSERT(guestp != NULL);
174
175	devid = (netp->cfg_handle) >> DEVCFGPA_SHIFT;
176	vinobase = netp->cfg_handle;
177
178	guestp->dev2inst[devid] = DEVOPS_RESERVED;
179	for (x = 0; x < NINOSPERDEV; x++) {
180	guestp->vino2inst.vino[vinobase + x] = DEVOPS_RESERVED;
181	}
182
183	guestp->guest_m.niu_statep = NULL;
184
185	/*
186	* We clear out the NIU address segments by setting their size
187	* to INVALID_SEGMENT_SIZE and flags to INVALID_SEGMENT.
188	*/
189	switch (id) {
190	case (0):
191	UNASSIGN_NIU_SEGMENTS(guestp);
192	break;
193	default:
194	break;
195	}
196	}
197
198	#endif /* STANDALONE_NET_DEVICES */