xref: /titanic_41/usr/src/uts/sun4u/io/px/px_lib4u.h (revision 2fb876ae0cefcbd01f8d8490242aa4501caddbc3)
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  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _SYS_PX_LIB4U_H
27 #define	_SYS_PX_LIB4U_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * Errors returned.
37  */
38 #define	H_EOK			0	/* Successful return */
39 #define	H_ENOINTR		1	/* Invalid interrupt id */
40 #define	H_EINVAL		2	/* Invalid argument */
41 #define	H_ENOACCESS		3	/* No access to resource */
42 #define	H_EIO			4	/* I/O error */
43 #define	H_ENOTSUPPORTED		5	/* Function not supported */
44 #define	H_ENOMAP		6	/* Mapping is not valid, */
45 					/* no translation exists */
46 
47 /*
48  * Register base definitions.
49  *
50  * The specific numeric values for CSR, XBUS, Configuration,
51  * Interrupt blocks and other register bases.
52  */
53 typedef enum {
54 	PX_REG_CSR = 0,
55 	PX_REG_XBC,
56 	PX_REG_CFG,
57 	PX_REG_IC,
58 	PX_REG_MAX
59 } px_reg_bank_t;
60 
61 /*
62  * Registers/state/variables that need to be saved and restored during
63  * suspend/resume.
64  *
65  * SUN4U px specific data structure.
66  */
67 
68 /* Control block soft state structure */
69 typedef struct px_cb_list {
70 	px_t			*pxp;
71 	struct px_cb_list	*next;
72 } px_cb_list_t;
73 
74 typedef struct px_cb {
75 	px_cb_list_t	*pxl;		/* linked list px */
76 	kmutex_t	cb_mutex;	/* lock for CB */
77 	sysino_t	sysino;		/* proxy sysino */
78 	cpuid_t		cpuid;		/* proxy cpuid */
79 	int		attachcnt;	/* number of attached px */
80 	uint_t		(*px_cb_func)(caddr_t); /* CB intr dispatcher */
81 } px_cb_t;
82 
83 typedef struct pxu {
84 	uint32_t	chip_id;
85 	uint8_t		portid;
86 	uint16_t	tsb_cookie;
87 	uint32_t	tsb_size;
88 	uint64_t	*tsb_vaddr;
89 	uint64_t	tsb_paddr;	/* Only used for Oberon */
90 
91 	void		*msiq_mapped_p;
92 	px_cb_t		*px_cb_p;
93 
94 	/* Soft state for suspend/resume */
95 	uint64_t	*pec_config_state;
96 	uint64_t	*mmu_config_state;
97 	uint64_t	*ib_intr_map;
98 	uint64_t	*ib_config_state;
99 	uint64_t	*xcb_config_state;
100 	uint64_t	*msiq_config_state;
101 
102 	/* sun4u specific vars */
103 	caddr_t			px_address[4];
104 	ddi_acc_handle_t	px_ac[4];
105 } pxu_t;
106 
107 #define	PX2CB(px_p) (((pxu_t *)px_p->px_plat_p)->px_cb_p)
108 
109 /*
110  * Event Queue data structure.
111  */
112 typedef	struct eq_rec {
113 	uint64_t	eq_rec_rsvd0 : 1,	/* DW 0 - 63 */
114 			eq_rec_fmt_type : 7,	/* DW 0 - 62:56 */
115 			eq_rec_len : 10,	/* DW 0 - 55:46 */
116 			eq_rec_addr0 : 14,	/* DW 0 - 45:32 */
117 			eq_rec_rid : 16,	/* DW 0 - 31:16 */
118 			eq_rec_data0 : 16;	/* DW 0 - 15:00 */
119 	uint64_t	eq_rec_addr1 : 48,	/* DW 1 - 63:16 */
120 			eq_rec_data1 : 16;	/* DW 1 - 15:0 */
121 	uint64_t	eq_rec_rsvd[6];		/* DW 2-7 */
122 } eq_rec_t;
123 
124 /*
125  * EQ record type
126  *
127  * Upper 4 bits of eq_rec_fmt_type is used
128  * to identify the EQ record type.
129  */
130 #define	EQ_REC_MSG	0x6			/* MSG   - 0x3X */
131 #define	EQ_REC_MSI32	0xB			/* MSI32 - 0x58 */
132 #define	EQ_REC_MSI64	0xF			/* MSI64 - 0x78 */
133 
134 /* EQ State */
135 #define	EQ_IDLE_STATE	0x1			/* IDLE */
136 #define	EQ_ACTIVE_STATE	0x2			/* ACTIVE */
137 #define	EQ_ERROR_STATE	0x4			/* ERROR */
138 
139 #define	MMU_INVALID_TTE		0ull
140 #define	MMU_TTE_VALID(tte)	(((tte) & MMU_TTE_V) == MMU_TTE_V)
141 #define	MMU_OBERON_PADDR_MASK	0x7fffffffffff
142 #define	MMU_FIRE_PADDR_MASK	0x7ffffffffff
143 
144 /*
145  * control register decoding
146  */
147 /* tsb size: 0=1k 1=2k 2=4k 3=8k 4=16k 5=32k 6=64k 7=128k */
148 #define	MMU_CTL_TO_TSBSIZE(ctl)		((ctl) >> 16)
149 #define	MMU_TSBSIZE_TO_TSBENTRIES(s)	((1 << (s)) << (13 - 3))
150 
151 /*
152  * For Fire mmu bypass addresses, bit 43 specifies cacheability.
153  */
154 #define	MMU_FIRE_BYPASS_NONCACHE	 (1ull << 43)
155 
156 /*
157  * For Oberon mmu bypass addresses, bit 47 specifies cacheability.
158  */
159 #define	MMU_OBERON_BYPASS_NONCACHE	 (1ull << 47)
160 
161 /*
162  * The following macros define the address ranges supported for DVMA
163  * and mmu bypass transfers. For Oberon, bit 63 is used for ordering.
164  */
165 #define	MMU_FIRE_BYPASS_BASE		0xFFFC000000000000ull
166 #define	MMU_FIRE_BYPASS_END		0xFFFC01FFFFFFFFFFull
167 
168 #define	MMU_OBERON_BYPASS_BASE		0x7FFC000000000000ull
169 #define	MMU_OBERON_BYPASS_END		0x7FFC01FFFFFFFFFFull
170 
171 #define	MMU_TSB_PA_MASK		0x7FFFFFFFE000
172 
173 /*
174  * The following macros are for loading and unloading io tte
175  * entries.
176  */
177 #define	MMU_TTE_SIZE		8
178 #define	MMU_TTE_V		(1ull << 63)
179 #define	MMU_TTE_W		(1ull << 1)
180 #define	MMU_TTE_RO		(1ull << 62)	/* Oberon Relaxed Ordering */
181 
182 #define	INO_BITS		6	/* INO#s are 6 bits long */
183 #define	INO_MASK		0x3F	/* INO#s mask */
184 
185 #define	SYSINO_TO_DEVINO(sysino)	(sysino & INO_MASK)
186 
187 #define	FIRE_IGN_MASK		0x1F	/* IGN#s mask, 5 bits long for Fire */
188 #define	OBERON_IGN_MASK		0xFF	/* IGN#s mask, 8 bits long for Oberon */
189 
190 #define	ID_TO_IGN(chip, portid) ((portid) & ((chip) == PX_CHIP_OBERON ? \
191 	OBERON_IGN_MASK : FIRE_IGN_MASK))
192 
193 #define	DEVINO_TO_SYSINO(portid, devino) \
194 	(((portid) << INO_BITS) | ((devino) & INO_MASK))
195 
196 /* Interrupt states */
197 #define	INTERRUPT_IDLE_STATE		0
198 #define	INTERRUPT_RECEIVED_STATE	1
199 #define	INTERRUPT_PENDING_STATE		3
200 
201 /*
202  * Defines for link width and max packet size for ACKBAK Latency Threshold Timer
203  * and TxLink Replay Timer Latency Table array sizes
204  * Num		Link Width		Packet Size
205  * 0		1			128
206  * 1		4			256
207  * 2		8			512
208  * 3		16			1024
209  * 4		-			2048
210  * 5		-			4096
211  */
212 #define	LINK_WIDTH_ARR_SIZE		4
213 #define	LINK_MAX_PKT_ARR_SIZE		6
214 
215 /*
216  * Defines for registers which have multi-bit fields.
217  */
218 #define	TLU_LINK_CONTROL_ASPM_DISABLED			0x0
219 #define	TLU_LINK_CONTROL_ASPM_L0S_EN			0x1
220 #define	TLU_LINK_CONTROL_ASPM_L1_EN			0x2
221 #define	TLU_LINK_CONTROL_ASPM_L0S_L1_EN			0x3
222 
223 #define	TLU_CONTROL_CONFIG_DEFAULT			0x1
224 #define	TLU_CONTROL_L0S_TIM_DEFAULT			0xdaull
225 #define	TLU_CONTROL_MPS_MASK				0x1C
226 #define	TLU_CONTROL_MPS_SHIFT				2
227 
228 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_0	0x0
229 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_1	0x1
230 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_2	0x2
231 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_3	0x3
232 
233 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR_DEFAULT	0xFFFFull
234 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR_DEFAULT	0x0ull
235 
236 #define	LPU_TXLINK_SEQUENCE_COUNTER_ACK_SEQ_CNTR_DEFAULT	0xFFF
237 #define	LPU_TXLINK_SEQUENCE_COUNTER_NXT_TX_SEQ_CNTR_DEFAULT	0x0
238 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR_SEQ_CNT_MAX_ADDR_DEF	0x157
239 
240 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_TLPTR_DEFAULT	0xFFF
241 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_HDPTR_DEFAULT	0x0
242 
243 #define	LPU_LTSSM_CONFIG1_LTSSM_8_TO_DEFAULT		0x2
244 #define	LPU_LTSSM_CONFIG1_LTSSM_20_TO_DEFAULT		0x5
245 #define	LPU_LTSSM_CONFIG2_LTSSM_12_TO_DEFAULT		0x2DC6C0
246 #define	LPU_LTSSM_CONFIG3_LTSSM_2_TO_DEFAULT		0x7A120
247 #define	LPU_LTSSM_CONFIG4_DATA_RATE_DEFAULT		0x2
248 #define	LPU_LTSSM_CONFIG4_N_FTS_DEFAULT			0x8c
249 
250 /* LPU LTSSM states */
251 #define	LPU_LTSSM_L0			0x0
252 #define	LPU_LTSSM_L1_IDLE		0x15
253 
254 /* TLU Control register bits */
255 #define	TLU_REMAIN_DETECT_QUIET		8
256 
257 /* PX BDF Shift in a Phyiscal Address - used FMA Fabric only */
258 #define	PX_PA_BDF_SHIFT			12
259 #define	PX_BDF_TO_CFGADDR(bdf, offset) (((bdf) << PX_PA_BDF_SHIFT) + (offset))
260 
261 /*
262  * The sequence of the chip_type appearance is significant.
263  * There are code depending on it: PX_CHIP_TYPE(pxu_p) < PX_CHIP_FIRE.
264  */
265 typedef enum {
266 	PX_CHIP_UNIDENTIFIED = 0,
267 	PX_CHIP_FIRE = 1,
268 	PX_CHIP_OBERON = 2
269 } px_chip_id_t;
270 
271 /*
272  * [msb]                                [lsb]
273  * 0x00 <chip_type> <version#> <module-revision#>
274  */
275 #define	PX_CHIP_ID(t, v, m)	(((t) << 16) | ((v) << 8) | (m))
276 #define	PX_CHIP_TYPE(pxu_p)	(((pxu_p)->chip_id) >> 16)
277 #define	PX_CHIP_REV(pxu_p)	 (((pxu_p)->chip_id) & 0xFF)
278 #define	PX_CHIP_VER(pxu_p)	 ((((pxu_p)->chip_id) >> 8) & 0xFF)
279 
280 /*
281  * Fire hardware specific version definitions.
282  */
283 #define	FIRE_VER_10	PX_CHIP_ID(PX_CHIP_FIRE, 0x01, 0x00)
284 #define	FIRE_VER_20	PX_CHIP_ID(PX_CHIP_FIRE, 0x03, 0x00)
285 #define	OBERON_VER_10	PX_CHIP_ID(PX_CHIP_OBERON, 0x00, 0x00)
286 #define	OBERON_RANGE_PROP_MASK	0x7fff
287 
288 extern void hvio_cb_init(caddr_t xbc_csr_base, pxu_t *pxu_p);
289 extern void hvio_ib_init(caddr_t csr_base, pxu_t *pxu_p);
290 extern void hvio_mmu_init(caddr_t csr_base, pxu_t *pxu_p);
291 extern void hvio_pec_init(caddr_t csr_base, pxu_t *pxu_p);
292 
293 extern uint64_t hvio_intr_devino_to_sysino(devhandle_t dev_hdl, pxu_t *pxu_p,
294     devino_t devino, sysino_t *sysino);
295 extern uint64_t hvio_intr_getvalid(devhandle_t dev_hdl, sysino_t sysino,
296     intr_valid_state_t *intr_valid_state);
297 extern uint64_t hvio_intr_setvalid(devhandle_t dev_hdl, sysino_t sysino,
298     intr_valid_state_t intr_valid_state);
299 extern uint64_t hvio_intr_getstate(devhandle_t dev_hdl, sysino_t sysino,
300     intr_state_t *intr_state);
301 extern uint64_t hvio_intr_setstate(devhandle_t dev_hdl, sysino_t sysino,
302     intr_state_t intr_state);
303 extern uint64_t hvio_intr_gettarget(devhandle_t dev_hdl, pxu_t *pxu_p,
304     sysino_t sysino, cpuid_t *cpuid);
305 extern uint64_t hvio_intr_settarget(devhandle_t dev_hdl, pxu_t *pxu_p,
306     sysino_t sysino, cpuid_t cpuid);
307 
308 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid,
309     pages_t pages, io_attributes_t attr, void *addr, size_t pfn_index,
310     int flags);
311 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, pxu_t *pxu_p,
312     tsbid_t tsbid, pages_t pages);
313 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, pxu_t *pxu_p,
314     tsbid_t tsbid, io_attributes_t *attr_p, r_addr_t *r_addr_p);
315 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, pxu_t *pxu_p,
316     r_addr_t ra, io_attributes_t attr, io_addr_t *io_addr_p);
317 extern uint64_t hvio_get_bypass_base(pxu_t *pxu_p);
318 extern uint64_t hvio_get_bypass_end(pxu_t *pxu_p);
319 extern uint64_t px_get_range_prop(px_t *px_p, px_ranges_t *rp, int bank);
320 
321 
322 /*
323  * MSIQ Functions:
324  */
325 extern uint64_t hvio_msiq_init(devhandle_t dev_hdl, pxu_t *pxu_p);
326 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
327     pci_msiq_valid_state_t *msiq_valid_state);
328 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
329     pci_msiq_valid_state_t msiq_valid_state);
330 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
331     pci_msiq_state_t *msiq_state);
332 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
333     pci_msiq_state_t msiq_state);
334 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
335     msiqhead_t *msiq_head);
336 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
337     msiqhead_t msiq_head);
338 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
339     msiqtail_t *msiq_tail);
340 
341 /*
342  * MSI Functions:
343  */
344 extern uint64_t hvio_msi_init(devhandle_t dev_hdl, uint64_t addr32,
345     uint64_t addr64);
346 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
347     msiqid_t *msiq_id);
348 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
349     msiqid_t msiq_id);
350 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
351     pci_msi_valid_state_t *msi_valid_state);
352 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
353     pci_msi_valid_state_t msi_valid_state);
354 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
355     pci_msi_state_t *msi_state);
356 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
357     pci_msi_state_t msi_state);
358 
359 /*
360  * MSG Functions:
361  */
362 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
363     msiqid_t *msiq_id);
364 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
365     msiqid_t msiq_id);
366 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
367     pcie_msg_valid_state_t *msg_valid_state);
368 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
369     pcie_msg_valid_state_t msg_valid_state);
370 
371 /*
372  * Suspend/Resume Functions:
373  */
374 extern uint64_t hvio_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
375 extern void hvio_resume(devhandle_t dev_hdl,
376     devino_t devino, pxu_t *pxu_p);
377 extern uint64_t hvio_cb_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
378 extern void hvio_cb_resume(devhandle_t pci_dev_hdl, devhandle_t xbus_dev_hdl,
379     devino_t devino, pxu_t *pxu_p);
380 extern int px_send_pme_turnoff(caddr_t csr_base);
381 extern int px_link_wait4l1idle(caddr_t csr_base);
382 extern int px_link_retrain(caddr_t csr_base);
383 extern void px_enable_detect_quiet(caddr_t csr_base);
384 
385 extern void px_lib_clr_errs(px_t *px_p);
386 
387 /*
388  * Hotplug functions:
389  */
390 extern int hvio_hotplug_init(dev_info_t *dip, void *arg);
391 extern int hvio_hotplug_uninit(dev_info_t *dip);
392 
393 #ifdef	__cplusplus
394 }
395 #endif
396 
397 #endif	/* _SYS_PX_LIB4U_H */
398