xref: /illumos-gate/usr/src/uts/common/sys/nxge/nxge_hio.h (revision 46b592853d0f4f11781b6b0a7533f267c6aee132)
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 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_SYS_NXGE_NXGE_HIO_H
28 #define	_SYS_NXGE_NXGE_HIO_H
29 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 #include <nxge_mac.h>
35 #include <nxge_ipp.h>
36 #include <nxge_fflp.h>
37 #include <sys/mac_provider.h>
38 
39 #define	isLDOMservice(nxge) \
40 	(nxge->environs == SOLARIS_SERVICE_DOMAIN)
41 #define	isLDOMguest(nxge) \
42 	(nxge->environs == SOLARIS_GUEST_DOMAIN)
43 #define	isLDOMs(nxge) \
44 	(isLDOMservice(nxge) || isLDOMguest(nxge))
45 
46 #define	NXGE_HIO_SHARE_MIN_CHANNELS	2
47 #define	NXGE_HIO_SHARE_MAX_CHANNELS	2
48 
49 /* ------------------------------------------------------------------ */
50 typedef uint8_t nx_rdc_t;
51 typedef uint8_t nx_tdc_t;
52 
53 typedef uint64_t res_map_t;
54 
55 typedef uint64_t hv_rv_t;
56 
57 typedef hv_rv_t (*vr_assign)(uint64_t, uint64_t, uint32_t *);
58 typedef hv_rv_t (*vr_unassign)(uint32_t);
59 typedef hv_rv_t (*vr_getinfo)(uint32_t, uint64_t *, uint64_t *);
60 
61 
62 typedef struct {
63 	vr_assign	assign;
64 	vr_unassign	unassign;
65 	vr_getinfo	getinfo;
66 
67 } nxhv_vr_fp_t;
68 
69 typedef hv_rv_t (*vrlp_conf)(uint64_t, uint64_t, uint64_t, uint64_t);
70 typedef hv_rv_t (*vrlp_info)(uint64_t, uint64_t, uint64_t *, uint64_t *);
71 
72 typedef hv_rv_t (*dc_assign)(uint32_t, uint64_t, uint64_t *);
73 typedef hv_rv_t (*dc_unassign)(uint32_t, uint64_t);
74 typedef hv_rv_t (*dc_getstate)(uint32_t, uint64_t, uint64_t *);
75 typedef hv_rv_t (*dc_get_map)(uint32_t, uint64_t *);
76 
77 typedef hv_rv_t (*dc_getinfo)(uint32_t, uint64_t, uint64_t *, uint64_t *);
78 
79 typedef struct {
80 	dc_assign	assign;
81 	dc_unassign	unassign;
82 	dc_getstate	getstate;
83 	dc_get_map	get_map;
84 
85 	vrlp_conf	lp_conf;
86 	vrlp_info	lp_info;
87 
88 	dc_getinfo	getinfo;
89 } nxhv_dc_fp_t;
90 
91 typedef struct {
92 	boolean_t	ldoms;
93 	nxhv_vr_fp_t	vr;
94 	nxhv_dc_fp_t	tx;
95 	nxhv_dc_fp_t	rx;
96 } nxhv_fp_t;
97 
98 /* ------------------------------------------------------------------ */
99 #define	NXGE_VR_SR_MAX		8 /* There are 8 subregions (SR). */
100 
101 typedef enum {
102 	NXGE_HIO_TYPE_SERVICE = 0x80,	/* We are a service domain driver. */
103 	NXGE_HIO_TYPE_GUEST		/* We are a guest domain driver. */
104 } nxge_hio_type_t;
105 
106 typedef enum {
107 	FUNC0_MNT,
108 	FUNC0_VIR = 0x1000000,
109 	FUNC1_MNT = 0x2000000,
110 	FUNC1_VIR = 0x3000000,
111 	FUNC2_MNT = 0x4000000,
112 	FUNC2_VIR = 0x5000000,
113 	FUNC3_MNT = 0x6000000,
114 	FUNC3_VIR = 0x7000000
115 } vr_base_address_t;
116 
117 #define	VR_STEP		0x2000000
118 #define	VR_VC_STEP	0x0004000
119 
120 typedef enum {			/* 0-8 */
121 	FUNC0_VIR0,
122 	FUNC0_VIR1,
123 	FUNC1_VIR0,
124 	FUNC1_VIR1,
125 	FUNC2_VIR0,
126 	FUNC2_VIR1,
127 	FUNC3_VIR0,
128 	FUNC3_VIR1,
129 	FUNC_VIR_MAX
130 } vr_region_t;
131 
132 typedef enum {
133 	VP_CHANNEL_0,
134 	VP_CHANNEL_1,
135 	VP_CHANNEL_2,
136 	VP_CHANNEL_3,
137 	VP_CHANNEL_4,
138 	VP_CHANNEL_5,
139 	VP_CHANNEL_6,
140 	VP_CHANNEL_7,
141 	VP_CHANNEL_MAX
142 } vp_channel_t;
143 
144 typedef enum {
145 	VP_BOUND_TX = 1,
146 	VP_BOUND_RX
147 } vpc_type_t;
148 
149 #define	VP_VC_OFFSET(channel)	(channel << 10)
150 #define	VP_RDC_OFFSET		(1 << 9)
151 
152 typedef enum {
153 	RXDMA_CFIG1		= 0,
154 	RXDMA_CFIG2		= 8,
155 	RBR_CFIG_A		= 0x10,
156 	RBR_CFIG_B		= 0x18,
157 	RBR_KICK		= 0x20,
158 	RBR_STAT		= 0x28,
159 	RBR_HDH			= 0x30,
160 	RBR_HDL			= 0x38,
161 	RCRCFIG_A		= 0x40,
162 	RCRCFIG_B		= 0x48,
163 	RCRSTAT_A		= 0x50,
164 	RCRSTAT_B		= 0x58,
165 	RCRSTAT_C		= 0x60,
166 	RX_DMA_ENT_MSK		= 0x68,
167 	RX_DMA_CTL_STAT		= 0x70,
168 	RCR_FLSH		= 0x78,
169 	RXMISC			= 0x90,
170 	RX_DMA_CTL_STAT_DBG	= 0x98
171 
172 } rdc_csr_offset_t;
173 
174 typedef enum {
175 	Tx_RNG_CFIG		= 0,
176 	Tx_RNG_HDL		= 0x10,
177 	Tx_RNG_KICK		= 0x18,
178 	Tx_ENT_MASK		= 0x20,
179 	Tx_CS			= 0x28,
180 	TxDMA_MBH		= 0x30,
181 	TxDMA_MBL		= 0x38,
182 	TxDMA_PRE_ST		= 0x40,
183 	Tx_RNG_ERR_LOGH		= 0x48,
184 	Tx_RNG_ERR_LOGL		= 0x50,
185 	TDMC_INTR_DBG		= 0x60,
186 	Tx_CS_DBG		= 0x68
187 
188 } tdc_csr_offset_t;
189 
190 /*
191  * -------------------------------------------------------------
192  * These definitions are used to handle the virtual PIO_LDSV
193  * space of a VR.
194  * -------------------------------------------------------------
195  */
196 #define	VLDG_OFFSET		0x2000
197 #define	VLDG_SLL		5
198 
199 typedef enum {
200 	PIO_LDSV0,		/* ldf_0, 0-63 */
201 	PIO_LDSV1,		/* ldf_1, 0-63 */
202 	PIO_LDSV2,		/* ldf_0 & ldf_1, 64-69 */
203 	PIO_LDGIMGN		/* arm/timer */
204 
205 } pio_ld_op_t;
206 
207 #define	VR_INTR_BLOCK_SIZE	8
208 #define	HIO_INTR_BLOCK_SIZE	4
209 
210 /* ------------------------------------------------------------------ */
211 typedef struct {
212 	const char	*name;
213 	int		offset;
214 } dmc_reg_name_t;
215 
216 typedef struct {
217 	uintptr_t	nxge;
218 	dc_map_t	map;
219 
220 } nx_rdc_tbl_t;
221 
222 typedef struct nxge_hio_vr {
223 	uintptr_t	nxge;
224 
225 	uint32_t	cookie;	/* The HV cookie. */
226 	uintptr_t	address;
227 	size_t		size;
228 	vr_region_t	region;	/* 1 of 8 regions. */
229 
230 	int		rdc_tbl; /* 1 of 8 RDC tables. */
231 	int		tdc_tbl; /* 1 of 8 TDC tables. */
232 	ether_addr_t	altmac;	/* The alternate MAC address. */
233 	int		slot;	/* According to nxge_m_mmac_add(). */
234 
235 	nxge_grp_t	rx_group;
236 	nxge_grp_t	tx_group;
237 
238 } nxge_hio_vr_t;
239 
240 typedef nxge_status_t (*dc_init_t)(nxge_t *, int);
241 typedef void (*dc_uninit_t)(nxge_t *, int);
242 
243 typedef struct {
244 	uint32_t	number;	/* The LDG number assigned to this DC. */
245 	uint64_t	index;	/* Bits 7:5 of the (virtual) PIO_LDSV. */
246 
247 	uint64_t	ldsv;	/* The logical device number */
248 	uint64_t	map;	/* Currently unused */
249 
250 	int		vector;	/* The DDI vector number (index) */
251 } hio_ldg_t;
252 
253 /*
254  * -------------------------------------------------------------
255  * The service domain driver makes use of both <index>, the index
256  * into a VR's virtual page, and <channel>, the absolute channel
257  * number, what we will call here the physical channel number.
258  *
259  * The guest domain will set both fields to the same value, since
260  * it doesn't know any better.  And if a service domain owns a
261  * DMA channel, it will also set both fields to the same value,
262  * since it is not using a VR per se.
263  * -------------------------------------------------------------
264  */
265 typedef struct nx_dc {
266 
267 	struct nx_dc	*next;
268 
269 	nxge_hio_vr_t	*vr;	/* The VR belonged to. */
270 
271 	vp_channel_t	page;	/* VP_CHANNEL_0 - VP_CHANNEL_7 */
272 	nxge_channel_t	channel; /* 1 of 16/24 channels */
273 	/*
274 	 * <channel> has its normal meaning. <page> refers to the
275 	 * virtual page of the VR that <channel> has been bound to.
276 	 * Therefore, in the service domain, <page> & <channel>
277 	 * are almost always different. While in a guest domain,
278 	 * they are always the same.
279 	 */
280 	vpc_type_t	type;	/* VP_BOUND_XX */
281 	dc_init_t	init;	/* nxge_init_xxdma_channel() */
282 	dc_uninit_t	uninit;	/* nxge_uninit_xxdma_channel() */
283 
284 	nxge_grp_t	*group;	/* The group belonged to. */
285 	uint32_t	cookie;	/* The HV cookie. */
286 
287 	hio_ldg_t	ldg;
288 	boolean_t	interrupting; /* Interrupt enabled? */
289 
290 } nxge_hio_dc_t;
291 
292 typedef struct {
293 	nxge_hio_type_t		type;
294 
295 	kmutex_t		lock;
296 	int			vrs;
297 	unsigned		sequence;
298 
299 	nxhv_fp_t		hio;
300 
301 	/* vr[0] is reserved for the service domain. */
302 	nxge_hio_vr_t		vr[NXGE_VR_SR_MAX]; /* subregion map */
303 	nxge_hio_dc_t		rdc[NXGE_MAX_RDCS];
304 	nxge_hio_dc_t		tdc[NXGE_MAX_TDCS];
305 
306 	nx_rdc_tbl_t		rdc_tbl[NXGE_MAX_RDC_GROUPS];
307 
308 } nxge_hio_data_t;
309 
310 /*
311  * -------------------------------------------------------------
312  * prototypes
313  * -------------------------------------------------------------
314  */
315 extern void nxge_get_environs(nxge_t *);
316 extern int nxge_hio_init(nxge_t *);
317 extern void nxge_hio_uninit(nxge_t *);
318 
319 extern int nxge_dci_map(nxge_t *, vpc_type_t, int);
320 
321 /*
322  * ---------------------------------------------------------------------
323  * These are the general-purpose DMA channel group functions.  That is,
324  * these functions are used to manage groups of TDCs or RDCs in an HIO
325  * environment.
326  *
327  * But is also expected that in the future they will be able to manage
328  * Crossbow groups.
329  * ---------------------------------------------------------------------
330  */
331 extern nxge_grp_t *nxge_grp_add(nxge_t *, nxge_grp_type_t);
332 extern void nxge_grp_remove(nxge_t *, nxge_grp_t *);
333 extern int nxge_grp_dc_add(nxge_t *, nxge_grp_t *, vpc_type_t, int);
334 extern void nxge_grp_dc_remove(nxge_t *, vpc_type_t, int);
335 extern nxge_hio_dc_t *nxge_grp_dc_find(nxge_t *, vpc_type_t, int);
336 
337 extern void nxge_delay(int);
338 extern const char *nxge_ddi_perror(int);
339 
340 /*
341  * ---------------------------------------------------------------------
342  * These are the Sun4v HIO function prototypes.
343  * ---------------------------------------------------------------------
344  */
345 extern void nxge_hio_group_get(void *arg, mac_ring_type_t type, int group,
346 	mac_group_info_t *infop, mac_group_handle_t ghdl);
347 extern int nxge_hio_share_alloc(void *arg, mac_share_handle_t *shandle);
348 extern void nxge_hio_share_free(mac_share_handle_t shandle);
349 extern void nxge_hio_share_query(mac_share_handle_t shandle,
350 	mac_ring_type_t type, mac_ring_handle_t *rings, uint_t *n_rings);
351 extern int nxge_hio_share_add_group(mac_share_handle_t,
352     mac_group_driver_t);
353 extern int nxge_hio_share_rem_group(mac_share_handle_t,
354     mac_group_driver_t);
355 extern int nxge_hio_share_bind(mac_share_handle_t, uint64_t cookie,
356     uint64_t *rcookie);
357 extern void nxge_hio_share_unbind(mac_share_handle_t);
358 extern int nxge_hio_rxdma_bind_intr(nxge_t *, rx_rcr_ring_t *, int);
359 
360 				/* nxge_hio_guest.c */
361 extern void nxge_hio_unregister(nxge_t *);
362 
363 extern int nxge_guest_regs_map(nxge_t *);
364 extern void nxge_guest_regs_map_free(nxge_t *);
365 
366 extern int nxge_hio_vr_add(nxge_t *nxge);
367 extern int nxge_hio_vr_release(nxge_t *nxge);
368 
369 extern nxge_status_t nxge_tdc_lp_conf(p_nxge_t, int);
370 extern nxge_status_t nxge_rdc_lp_conf(p_nxge_t, int);
371 
372 extern void nxge_hio_start_timer(nxge_t *);
373 
374 				/* nxge_intr.c */
375 extern nxge_status_t nxge_hio_intr_init(nxge_t *);
376 extern void nxge_hio_intr_uninit(nxge_t *);
377 
378 extern nxge_status_t nxge_intr_add(nxge_t *, vpc_type_t, int);
379 extern nxge_status_t nxge_intr_remove(nxge_t *, vpc_type_t, int);
380 
381 extern nxge_status_t nxge_hio_intr_add(nxge_t *, vpc_type_t, int);
382 extern nxge_status_t nxge_hio_intr_remove(nxge_t *, vpc_type_t, int);
383 
384 extern nxge_status_t nxge_hio_intr_add(nxge_t *, vpc_type_t, int);
385 extern nxge_status_t nxge_hio_intr_rem(nxge_t *, int);
386 
387 extern hv_rv_t nxge_hio_ldsv_add(nxge_t *, nxge_hio_dc_t *);
388 
389 extern void nxge_hio_ldsv_im(nxge_t *, nxge_ldg_t *, pio_ld_op_t, uint64_t *);
390 extern void nxge_hio_ldgimgn(nxge_t *, nxge_ldg_t *);
391 
392 				/* nxge_hv.c */
393 extern void nxge_hio_hv_init(nxge_t *);
394 
395 				/* nxge_mac.c */
396 extern int nxge_hio_hostinfo_get_rdc_table(p_nxge_t);
397 extern int nxge_hio_hostinfo_init(nxge_t *, nxge_hio_vr_t *, ether_addr_t *);
398 extern void nxge_hio_hostinfo_uninit(nxge_t *, nxge_hio_vr_t *);
399 
400 #ifdef	__cplusplus
401 }
402 #endif
403 
404 #endif	/* _SYS_NXGE_NXGE_HIO_H */
405