xref: /titanic_41/usr/src/uts/sun4u/io/px/px_lib4u.h (revision fbe82215144da71ed02c3a920667472cc567fafd)
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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 #ifndef _SYS_PX_LIB4U_H
26 #define	_SYS_PX_LIB4U_H
27 
28 #ifdef	__cplusplus
29 extern "C" {
30 #endif
31 
32 /*
33  * Errors returned.
34  */
35 #define	H_EOK			0	/* Successful return */
36 #define	H_ENOINTR		1	/* Invalid interrupt id */
37 #define	H_EINVAL		2	/* Invalid argument */
38 #define	H_ENOACCESS		3	/* No access to resource */
39 #define	H_EIO			4	/* I/O error */
40 #define	H_ENOTSUPPORTED		5	/* Function not supported */
41 #define	H_ENOMAP		6	/* Mapping is not valid, */
42 					/* no translation exists */
43 
44 /*
45  * Register base definitions.
46  *
47  * The specific numeric values for CSR, XBUS, Configuration,
48  * Interrupt blocks and other register bases.
49  */
50 typedef enum {
51 	PX_REG_CSR = 0,
52 	PX_REG_XBC,
53 	PX_REG_CFG,
54 	PX_REG_IC,
55 	PX_REG_MAX
56 } px_reg_bank_t;
57 
58 /*
59  * Registers/state/variables that need to be saved and restored during
60  * suspend/resume.
61  *
62  * SUN4U px specific data structure.
63  */
64 
65 /* Control block soft state structure */
66 typedef struct px_cb_list {
67 	px_t			*pxp;
68 	struct px_cb_list	*next;
69 } px_cb_list_t;
70 
71 /* IO chip type */
72 typedef enum {
73 	PX_CHIP_UNIDENTIFIED = 0,
74 	PX_CHIP_FIRE = 1,
75 	PX_CHIP_OBERON = 2
76 } px_chip_type_t;
77 
78 #define	PX_CHIP_TYPE(pxu_p)	((pxu_p)->chip_type)
79 
80 typedef struct px_cb {
81 	px_cb_list_t	*pxl;		/* linked list px */
82 	kmutex_t	cb_mutex;	/* lock for CB */
83 	sysino_t	sysino;		/* proxy sysino */
84 	cpuid_t		cpuid;		/* proxy cpuid */
85 	int		attachcnt;	/* number of attached px */
86 	uint_t		(*px_cb_func)(caddr_t); /* CB intr dispatcher */
87 } px_cb_t;
88 
89 typedef struct pxu {
90 	px_chip_type_t	chip_type;
91 	uint8_t		portid;
92 	uint16_t	tsb_cookie;
93 	uint32_t	tsb_size;
94 	uint64_t	*tsb_vaddr;
95 	uint64_t	tsb_paddr;	/* Only used for Oberon */
96 	sysino_t	hp_sysino;	/* Oberon hotplug interrupt */
97 
98 	void		*msiq_mapped_p;
99 	px_cb_t		*px_cb_p;
100 
101 	/* Soft state for suspend/resume */
102 	uint64_t	*pec_config_state;
103 	uint64_t	*mmu_config_state;
104 	uint64_t	*ib_intr_map;
105 	uint64_t	*ib_config_state;
106 	uint64_t	*xcb_config_state;
107 	uint64_t	*msiq_config_state;
108 	uint_t		cpr_flag;
109 
110 	/* sun4u specific vars */
111 	caddr_t			px_address[4];
112 	ddi_acc_handle_t	px_ac[4];
113 	uint64_t		obp_tsb_paddr;
114 	uint_t			obp_tsb_entries;
115 
116 	/* PCItool */
117 	caddr_t		pcitool_addr;
118 } pxu_t;
119 
120 #define	PX2CB(px_p) (((pxu_t *)px_p->px_plat_p)->px_cb_p)
121 
122 /* cpr_flag */
123 #define	PX_NOT_CPR	0
124 #define	PX_ENTERED_CPR	1
125 
126 /*
127  * Event Queue data structure.
128  */
129 typedef	struct eq_rec {
130 	uint64_t	eq_rec_rsvd0 : 1,	/* DW 0 - 63 */
131 			eq_rec_fmt_type : 7,	/* DW 0 - 62:56 */
132 			eq_rec_len : 10,	/* DW 0 - 55:46 */
133 			eq_rec_addr0 : 14,	/* DW 0 - 45:32 */
134 			eq_rec_rid : 16,	/* DW 0 - 31:16 */
135 			eq_rec_data0 : 16;	/* DW 0 - 15:00 */
136 	uint64_t	eq_rec_addr1 : 48,	/* DW 1 - 63:16 */
137 			eq_rec_data1 : 16;	/* DW 1 - 15:0 */
138 	uint64_t	eq_rec_rsvd[6];		/* DW 2-7 */
139 } eq_rec_t;
140 
141 /*
142  * EQ record type
143  *
144  * Upper 4 bits of eq_rec_fmt_type is used
145  * to identify the EQ record type.
146  */
147 #define	EQ_REC_MSG	0x6			/* MSG   - 0x3X */
148 #define	EQ_REC_MSI32	0xB			/* MSI32 - 0x58 */
149 #define	EQ_REC_MSI64	0xF			/* MSI64 - 0x78 */
150 
151 /* EQ State */
152 #define	EQ_IDLE_STATE	0x1			/* IDLE */
153 #define	EQ_ACTIVE_STATE	0x2			/* ACTIVE */
154 #define	EQ_ERROR_STATE	0x4			/* ERROR */
155 
156 /*
157  * Default EQ Configurations
158  */
159 #define	EQ_CNT		36
160 #define	EQ_REC_CNT	128
161 #define	EQ_1ST_ID	0
162 #define	EQ_1ST_DEVINO	24
163 
164 #define	MMU_INVALID_TTE		0ull
165 #define	MMU_TTE_VALID(tte)	(((tte) & MMU_TTE_V) == MMU_TTE_V)
166 #define	MMU_OBERON_PADDR_MASK	0x7fffffffffff
167 #define	MMU_FIRE_PADDR_MASK	0x7ffffffffff
168 
169 /*
170  * control register decoding
171  */
172 /* tsb size: 0=1k 1=2k 2=4k 3=8k 4=16k 5=32k 6=64k 7=128k */
173 #define	MMU_CTL_TO_TSBSIZE(ctl)		((ctl) >> 16)
174 #define	MMU_TSBSIZE_TO_TSBENTRIES(s)	((1 << (s)) << (13 - 3))
175 
176 /*
177  * For Fire mmu bypass addresses, bit 43 specifies cacheability.
178  */
179 #define	MMU_FIRE_BYPASS_NONCACHE	 (1ull << 43)
180 
181 /*
182  * For Oberon mmu bypass addresses, bit 47 specifies cacheability.
183  */
184 #define	MMU_OBERON_BYPASS_NONCACHE	 (1ull << 47)
185 
186 /*
187  * The following macros define the address ranges supported for DVMA
188  * and mmu bypass transfers. For Oberon, bit 63 is used for ordering.
189  */
190 #define	MMU_FIRE_BYPASS_BASE		0xFFFC000000000000ull
191 #define	MMU_FIRE_BYPASS_END		0xFFFC03FFFFFFFFFFull
192 
193 #define	MMU_OBERON_BYPASS_BASE		0x7FFC000000000000ull
194 #define	MMU_OBERON_BYPASS_END		0x7FFC7FFFFFFFFFFFull
195 
196 #define	MMU_OBERON_BYPASS_RO		0x8000000000000000ull
197 
198 #define	MMU_TSB_PA_MASK		0x7FFFFFFFE000
199 
200 /*
201  * The following macros are for loading and unloading io tte
202  * entries.
203  */
204 #define	MMU_TTE_SIZE		8
205 #define	MMU_TTE_V		(1ull << 63)
206 #define	MMU_TTE_W		(1ull << 1)
207 #define	MMU_TTE_RO		(1ull << 62)	/* Oberon Relaxed Ordering */
208 
209 #define	INO_BITS		6	/* INO#s are 6 bits long */
210 #define	INO_MASK		0x3F	/* INO#s mask */
211 
212 #define	SYSINO_TO_DEVINO(sysino)	(sysino & INO_MASK)
213 
214 #define	FIRE_IGN_MASK		0x1F	/* IGN#s mask, 5 bits long for Fire */
215 #define	OBERON_IGN_MASK		0xFF	/* IGN#s mask, 8 bits long for Oberon */
216 
217 #define	ID_TO_IGN(chip, portid) ((portid) & ((chip) == PX_CHIP_OBERON ? \
218 	OBERON_IGN_MASK : FIRE_IGN_MASK))
219 
220 #define	DEVINO_TO_SYSINO(portid, devino) \
221 	(((portid) << INO_BITS) | ((devino) & INO_MASK))
222 
223 /* Interrupt states */
224 #define	INTERRUPT_IDLE_STATE		0
225 #define	INTERRUPT_RECEIVED_STATE	1
226 #define	INTERRUPT_PENDING_STATE		3
227 
228 /*
229  * Defines for link width and max packet size for ACKBAK Latency Threshold Timer
230  * and TxLink Replay Timer Latency Table array sizes
231  * Num		Link Width		Packet Size
232  * 0		1			128
233  * 1		4			256
234  * 2		8			512
235  * 3		16			1024
236  * 4		-			2048
237  * 5		-			4096
238  */
239 #define	LINK_WIDTH_ARR_SIZE		4
240 #define	LINK_MAX_PKT_ARR_SIZE		6
241 
242 /*
243  * Defines for registers which have multi-bit fields.
244  */
245 #define	TLU_LINK_CONTROL_ASPM_DISABLED			0x0
246 #define	TLU_LINK_CONTROL_ASPM_L0S_EN			0x1
247 #define	TLU_LINK_CONTROL_ASPM_L1_EN			0x2
248 #define	TLU_LINK_CONTROL_ASPM_L0S_L1_EN			0x3
249 
250 #define	TLU_CONTROL_CONFIG_DEFAULT			0x1
251 #define	TLU_CONTROL_L0S_TIM_DEFAULT			0xdaull
252 #define	TLU_CONTROL_MPS_MASK				0x1C
253 #define	TLU_CONTROL_MPS_SHIFT				2
254 
255 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_0	0x0
256 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_1	0x1
257 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_2	0x2
258 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_3	0x3
259 
260 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR_DEFAULT	0xFFFFull
261 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR_DEFAULT	0x0ull
262 
263 #define	LPU_TXLINK_SEQUENCE_COUNTER_ACK_SEQ_CNTR_DEFAULT	0xFFF
264 #define	LPU_TXLINK_SEQUENCE_COUNTER_NXT_TX_SEQ_CNTR_DEFAULT	0x0
265 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR_SEQ_CNT_MAX_ADDR_DEF	0x157
266 
267 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_TLPTR_DEFAULT	0xFFF
268 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_HDPTR_DEFAULT	0x0
269 
270 #define	LPU_LTSSM_CONFIG1_LTSSM_8_TO_DEFAULT		0x2
271 #define	LPU_LTSSM_CONFIG1_LTSSM_20_TO_DEFAULT		0x5
272 #define	LPU_LTSSM_CONFIG2_LTSSM_12_TO_DEFAULT		0x2DC6C0
273 #define	LPU_LTSSM_CONFIG3_LTSSM_2_TO_DEFAULT		0x7A120
274 #define	LPU_LTSSM_CONFIG4_DATA_RATE_DEFAULT		0x2
275 #define	LPU_LTSSM_CONFIG4_N_FTS_DEFAULT			0x8c
276 
277 /* LPU LTSSM states */
278 #define	LPU_LTSSM_L0			0x0
279 #define	LPU_LTSSM_L1_IDLE		0x15
280 
281 /* TLU Control register bits */
282 #define	TLU_REMAIN_DETECT_QUIET		8
283 
284 /*
285  * Fire hardware specific version definitions.
286  * All Fire versions > 2.0 will be numerically greater than FIRE_MOD_REV_20
287  */
288 #define	FIRE_MOD_REV_20	0x03
289 
290 /*
291  * Oberon specific definitions.
292  */
293 #define	OBERON_RANGE_PROP_MASK	0x7fff
294 
295 /*
296  * HW specific paddr mask.
297  */
298 extern uint64_t px_paddr_mask;
299 
300 extern void hvio_cb_init(caddr_t xbc_csr_base, pxu_t *pxu_p);
301 extern void hvio_ib_init(caddr_t csr_base, pxu_t *pxu_p);
302 extern void hvio_mmu_init(caddr_t csr_base, pxu_t *pxu_p);
303 extern void hvio_pec_init(caddr_t csr_base, pxu_t *pxu_p);
304 
305 extern uint64_t hvio_intr_devino_to_sysino(devhandle_t dev_hdl, pxu_t *pxu_p,
306     devino_t devino, sysino_t *sysino);
307 extern uint64_t hvio_intr_getvalid(devhandle_t dev_hdl, sysino_t sysino,
308     intr_valid_state_t *intr_valid_state);
309 extern uint64_t hvio_intr_setvalid(devhandle_t dev_hdl, sysino_t sysino,
310     intr_valid_state_t intr_valid_state);
311 extern uint64_t hvio_intr_getstate(devhandle_t dev_hdl, sysino_t sysino,
312     intr_state_t *intr_state);
313 extern uint64_t hvio_intr_setstate(devhandle_t dev_hdl, sysino_t sysino,
314     intr_state_t intr_state);
315 extern uint64_t hvio_intr_gettarget(devhandle_t dev_hdl, pxu_t *pxu_p,
316     sysino_t sysino, cpuid_t *cpuid);
317 extern uint64_t hvio_intr_settarget(devhandle_t dev_hdl, pxu_t *pxu_p,
318     sysino_t sysino, cpuid_t cpuid);
319 
320 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid,
321     pages_t pages, io_attributes_t attr, void *addr, size_t pfn_index,
322     int flags);
323 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, pxu_t *pxu_p,
324     tsbid_t tsbid, pages_t pages);
325 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, pxu_t *pxu_p,
326     tsbid_t tsbid, io_attributes_t *attr_p, r_addr_t *r_addr_p);
327 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, pxu_t *pxu_p,
328     r_addr_t ra, io_attributes_t attr, io_addr_t *io_addr_p);
329 extern uint64_t hvio_get_bypass_base(pxu_t *pxu_p);
330 extern uint64_t hvio_get_bypass_end(pxu_t *pxu_p);
331 extern uint64_t px_get_range_prop(px_t *px_p, pci_ranges_t *rp, int bank);
332 extern void hvio_obptsb_attach(pxu_t *pxu_p);
333 extern void hvio_obptsb_detach(px_t *px_p);
334 
335 
336 /*
337  * MSIQ Functions:
338  */
339 extern uint64_t hvio_msiq_init(devhandle_t dev_hdl, pxu_t *pxu_p);
340 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
341     pci_msiq_valid_state_t *msiq_valid_state);
342 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
343     pci_msiq_valid_state_t msiq_valid_state);
344 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
345     pci_msiq_state_t *msiq_state);
346 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
347     pci_msiq_state_t msiq_state);
348 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
349     msiqhead_t *msiq_head);
350 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
351     msiqhead_t msiq_head);
352 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
353     msiqtail_t *msiq_tail);
354 
355 /*
356  * MSI Functions:
357  */
358 extern uint64_t hvio_msi_init(devhandle_t dev_hdl, uint64_t addr32,
359     uint64_t addr64);
360 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
361     msiqid_t *msiq_id);
362 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
363     msiqid_t msiq_id);
364 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
365     pci_msi_valid_state_t *msi_valid_state);
366 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
367     pci_msi_valid_state_t msi_valid_state);
368 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
369     pci_msi_state_t *msi_state);
370 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
371     pci_msi_state_t msi_state);
372 
373 /*
374  * MSG Functions:
375  */
376 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
377     msiqid_t *msiq_id);
378 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
379     msiqid_t msiq_id);
380 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
381     pcie_msg_valid_state_t *msg_valid_state);
382 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
383     pcie_msg_valid_state_t msg_valid_state);
384 
385 /*
386  * Suspend/Resume Functions:
387  */
388 extern uint64_t hvio_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
389 extern void hvio_resume(devhandle_t dev_hdl,
390     devino_t devino, pxu_t *pxu_p);
391 extern uint64_t hvio_cb_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
392 extern void hvio_cb_resume(devhandle_t pci_dev_hdl, devhandle_t xbus_dev_hdl,
393     devino_t devino, pxu_t *pxu_p);
394 extern int px_send_pme_turnoff(caddr_t csr_base);
395 extern int px_link_wait4l1idle(caddr_t csr_base);
396 extern int px_link_retrain(caddr_t csr_base);
397 extern void px_enable_detect_quiet(caddr_t csr_base);
398 
399 extern void px_lib_clr_errs(px_t *px_p, dev_info_t *rdip, uint64_t addr);
400 
401 /*
402  * Hotplug functions:
403  */
404 extern int hvio_hotplug_init(dev_info_t *dip, void *arg);
405 extern int hvio_hotplug_uninit(dev_info_t *dip);
406 
407 #ifdef	__cplusplus
408 }
409 #endif
410 
411 #endif	/* _SYS_PX_LIB4U_H */
412