xref: /titanic_50/usr/src/uts/sun4u/io/px/px_lib4u.h (revision 8883f1c270cc8e33c18dd088e744840092b47bbb)
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 2009 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 
30 #ifdef	__cplusplus
31 extern "C" {
32 #endif
33 
34 /*
35  * Errors returned.
36  */
37 #define	H_EOK			0	/* Successful return */
38 #define	H_ENOINTR		1	/* Invalid interrupt id */
39 #define	H_EINVAL		2	/* Invalid argument */
40 #define	H_ENOACCESS		3	/* No access to resource */
41 #define	H_EIO			4	/* I/O error */
42 #define	H_ENOTSUPPORTED		5	/* Function not supported */
43 #define	H_ENOMAP		6	/* Mapping is not valid, */
44 					/* no translation exists */
45 
46 /*
47  * Register base definitions.
48  *
49  * The specific numeric values for CSR, XBUS, Configuration,
50  * Interrupt blocks and other register bases.
51  */
52 typedef enum {
53 	PX_REG_CSR = 0,
54 	PX_REG_XBC,
55 	PX_REG_CFG,
56 	PX_REG_IC,
57 	PX_REG_MAX
58 } px_reg_bank_t;
59 
60 /*
61  * Registers/state/variables that need to be saved and restored during
62  * suspend/resume.
63  *
64  * SUN4U px specific data structure.
65  */
66 
67 /* Control block soft state structure */
68 typedef struct px_cb_list {
69 	px_t			*pxp;
70 	struct px_cb_list	*next;
71 } px_cb_list_t;
72 
73 /* IO chip type */
74 typedef enum {
75 	PX_CHIP_UNIDENTIFIED = 0,
76 	PX_CHIP_FIRE = 1,
77 	PX_CHIP_OBERON = 2
78 } px_chip_type_t;
79 
80 #define	PX_CHIP_TYPE(pxu_p)	((pxu_p)->chip_type)
81 
82 typedef struct px_cb {
83 	px_cb_list_t	*pxl;		/* linked list px */
84 	kmutex_t	cb_mutex;	/* lock for CB */
85 	sysino_t	sysino;		/* proxy sysino */
86 	cpuid_t		cpuid;		/* proxy cpuid */
87 	int		attachcnt;	/* number of attached px */
88 	uint_t		(*px_cb_func)(caddr_t); /* CB intr dispatcher */
89 } px_cb_t;
90 
91 typedef struct pxu {
92 	px_chip_type_t	chip_type;
93 	uint8_t		portid;
94 	uint16_t	tsb_cookie;
95 	uint32_t	tsb_size;
96 	uint64_t	*tsb_vaddr;
97 	uint64_t	tsb_paddr;	/* Only used for Oberon */
98 	sysino_t	hp_sysino;	/* Oberon hotplug interrupt */
99 
100 	void		*msiq_mapped_p;
101 	px_cb_t		*px_cb_p;
102 
103 	/* Soft state for suspend/resume */
104 	uint64_t	*pec_config_state;
105 	uint64_t	*mmu_config_state;
106 	uint64_t	*ib_intr_map;
107 	uint64_t	*ib_config_state;
108 	uint64_t	*xcb_config_state;
109 	uint64_t	*msiq_config_state;
110 	uint_t		cpr_flag;
111 
112 	/* sun4u specific vars */
113 	caddr_t			px_address[4];
114 	ddi_acc_handle_t	px_ac[4];
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 #define	MMU_INVALID_TTE		0ull
157 #define	MMU_TTE_VALID(tte)	(((tte) & MMU_TTE_V) == MMU_TTE_V)
158 #define	MMU_OBERON_PADDR_MASK	0x7fffffffffff
159 #define	MMU_FIRE_PADDR_MASK	0x7ffffffffff
160 
161 /*
162  * control register decoding
163  */
164 /* tsb size: 0=1k 1=2k 2=4k 3=8k 4=16k 5=32k 6=64k 7=128k */
165 #define	MMU_CTL_TO_TSBSIZE(ctl)		((ctl) >> 16)
166 #define	MMU_TSBSIZE_TO_TSBENTRIES(s)	((1 << (s)) << (13 - 3))
167 
168 /*
169  * For Fire mmu bypass addresses, bit 43 specifies cacheability.
170  */
171 #define	MMU_FIRE_BYPASS_NONCACHE	 (1ull << 43)
172 
173 /*
174  * For Oberon mmu bypass addresses, bit 47 specifies cacheability.
175  */
176 #define	MMU_OBERON_BYPASS_NONCACHE	 (1ull << 47)
177 
178 /*
179  * The following macros define the address ranges supported for DVMA
180  * and mmu bypass transfers. For Oberon, bit 63 is used for ordering.
181  */
182 #define	MMU_FIRE_BYPASS_BASE		0xFFFC000000000000ull
183 #define	MMU_FIRE_BYPASS_END		0xFFFC03FFFFFFFFFFull
184 
185 #define	MMU_OBERON_BYPASS_BASE		0x7FFC000000000000ull
186 #define	MMU_OBERON_BYPASS_END		0x7FFC7FFFFFFFFFFFull
187 
188 #define	MMU_OBERON_BYPASS_RO		0x8000000000000000ull
189 
190 #define	MMU_TSB_PA_MASK		0x7FFFFFFFE000
191 
192 /*
193  * The following macros are for loading and unloading io tte
194  * entries.
195  */
196 #define	MMU_TTE_SIZE		8
197 #define	MMU_TTE_V		(1ull << 63)
198 #define	MMU_TTE_W		(1ull << 1)
199 #define	MMU_TTE_RO		(1ull << 62)	/* Oberon Relaxed Ordering */
200 
201 #define	INO_BITS		6	/* INO#s are 6 bits long */
202 #define	INO_MASK		0x3F	/* INO#s mask */
203 
204 #define	SYSINO_TO_DEVINO(sysino)	(sysino & INO_MASK)
205 
206 #define	FIRE_IGN_MASK		0x1F	/* IGN#s mask, 5 bits long for Fire */
207 #define	OBERON_IGN_MASK		0xFF	/* IGN#s mask, 8 bits long for Oberon */
208 
209 #define	ID_TO_IGN(chip, portid) ((portid) & ((chip) == PX_CHIP_OBERON ? \
210 	OBERON_IGN_MASK : FIRE_IGN_MASK))
211 
212 #define	DEVINO_TO_SYSINO(portid, devino) \
213 	(((portid) << INO_BITS) | ((devino) & INO_MASK))
214 
215 /* Interrupt states */
216 #define	INTERRUPT_IDLE_STATE		0
217 #define	INTERRUPT_RECEIVED_STATE	1
218 #define	INTERRUPT_PENDING_STATE		3
219 
220 /*
221  * Defines for link width and max packet size for ACKBAK Latency Threshold Timer
222  * and TxLink Replay Timer Latency Table array sizes
223  * Num		Link Width		Packet Size
224  * 0		1			128
225  * 1		4			256
226  * 2		8			512
227  * 3		16			1024
228  * 4		-			2048
229  * 5		-			4096
230  */
231 #define	LINK_WIDTH_ARR_SIZE		4
232 #define	LINK_MAX_PKT_ARR_SIZE		6
233 
234 /*
235  * Defines for registers which have multi-bit fields.
236  */
237 #define	TLU_LINK_CONTROL_ASPM_DISABLED			0x0
238 #define	TLU_LINK_CONTROL_ASPM_L0S_EN			0x1
239 #define	TLU_LINK_CONTROL_ASPM_L1_EN			0x2
240 #define	TLU_LINK_CONTROL_ASPM_L0S_L1_EN			0x3
241 
242 #define	TLU_CONTROL_CONFIG_DEFAULT			0x1
243 #define	TLU_CONTROL_L0S_TIM_DEFAULT			0xdaull
244 #define	TLU_CONTROL_MPS_MASK				0x1C
245 #define	TLU_CONTROL_MPS_SHIFT				2
246 
247 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_0	0x0
248 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_1	0x1
249 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_2	0x2
250 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_3	0x3
251 
252 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR_DEFAULT	0xFFFFull
253 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR_DEFAULT	0x0ull
254 
255 #define	LPU_TXLINK_SEQUENCE_COUNTER_ACK_SEQ_CNTR_DEFAULT	0xFFF
256 #define	LPU_TXLINK_SEQUENCE_COUNTER_NXT_TX_SEQ_CNTR_DEFAULT	0x0
257 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR_SEQ_CNT_MAX_ADDR_DEF	0x157
258 
259 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_TLPTR_DEFAULT	0xFFF
260 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_HDPTR_DEFAULT	0x0
261 
262 #define	LPU_LTSSM_CONFIG1_LTSSM_8_TO_DEFAULT		0x2
263 #define	LPU_LTSSM_CONFIG1_LTSSM_20_TO_DEFAULT		0x5
264 #define	LPU_LTSSM_CONFIG2_LTSSM_12_TO_DEFAULT		0x2DC6C0
265 #define	LPU_LTSSM_CONFIG3_LTSSM_2_TO_DEFAULT		0x7A120
266 #define	LPU_LTSSM_CONFIG4_DATA_RATE_DEFAULT		0x2
267 #define	LPU_LTSSM_CONFIG4_N_FTS_DEFAULT			0x8c
268 
269 /* LPU LTSSM states */
270 #define	LPU_LTSSM_L0			0x0
271 #define	LPU_LTSSM_L1_IDLE		0x15
272 
273 /* TLU Control register bits */
274 #define	TLU_REMAIN_DETECT_QUIET		8
275 
276 /* PX BDF Shift in a Phyiscal Address - used FMA Fabric only */
277 #define	PX_PA_BDF_SHIFT			12
278 #define	PX_BDF_TO_CFGADDR(bdf, offset) (((bdf) << PX_PA_BDF_SHIFT) + (offset))
279 
280 /*
281  * Fire hardware specific version definitions.
282  * All Fire versions > 2.0 will be numerically greater than FIRE_MOD_REV_20
283  */
284 #define	FIRE_MOD_REV_20	0x03
285 
286 /*
287  * Oberon specific definitions.
288  */
289 #define	OBERON_RANGE_PROP_MASK	0x7fff
290 
291 /*
292  * HW specific paddr mask.
293  */
294 extern uint64_t px_paddr_mask;
295 
296 extern void hvio_cb_init(caddr_t xbc_csr_base, pxu_t *pxu_p);
297 extern void hvio_ib_init(caddr_t csr_base, pxu_t *pxu_p);
298 extern void hvio_mmu_init(caddr_t csr_base, pxu_t *pxu_p);
299 extern void hvio_pec_init(caddr_t csr_base, pxu_t *pxu_p);
300 
301 extern uint64_t hvio_intr_devino_to_sysino(devhandle_t dev_hdl, pxu_t *pxu_p,
302     devino_t devino, sysino_t *sysino);
303 extern uint64_t hvio_intr_getvalid(devhandle_t dev_hdl, sysino_t sysino,
304     intr_valid_state_t *intr_valid_state);
305 extern uint64_t hvio_intr_setvalid(devhandle_t dev_hdl, sysino_t sysino,
306     intr_valid_state_t intr_valid_state);
307 extern uint64_t hvio_intr_getstate(devhandle_t dev_hdl, sysino_t sysino,
308     intr_state_t *intr_state);
309 extern uint64_t hvio_intr_setstate(devhandle_t dev_hdl, sysino_t sysino,
310     intr_state_t intr_state);
311 extern uint64_t hvio_intr_gettarget(devhandle_t dev_hdl, pxu_t *pxu_p,
312     sysino_t sysino, cpuid_t *cpuid);
313 extern uint64_t hvio_intr_settarget(devhandle_t dev_hdl, pxu_t *pxu_p,
314     sysino_t sysino, cpuid_t cpuid);
315 
316 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid,
317     pages_t pages, io_attributes_t attr, void *addr, size_t pfn_index,
318     int flags);
319 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, pxu_t *pxu_p,
320     tsbid_t tsbid, pages_t pages);
321 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, pxu_t *pxu_p,
322     tsbid_t tsbid, io_attributes_t *attr_p, r_addr_t *r_addr_p);
323 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, pxu_t *pxu_p,
324     r_addr_t ra, io_attributes_t attr, io_addr_t *io_addr_p);
325 extern uint64_t hvio_get_bypass_base(pxu_t *pxu_p);
326 extern uint64_t hvio_get_bypass_end(pxu_t *pxu_p);
327 extern uint64_t px_get_range_prop(px_t *px_p, px_ranges_t *rp, int bank);
328 
329 
330 /*
331  * MSIQ Functions:
332  */
333 extern uint64_t hvio_msiq_init(devhandle_t dev_hdl, pxu_t *pxu_p);
334 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
335     pci_msiq_valid_state_t *msiq_valid_state);
336 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
337     pci_msiq_valid_state_t msiq_valid_state);
338 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
339     pci_msiq_state_t *msiq_state);
340 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
341     pci_msiq_state_t msiq_state);
342 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
343     msiqhead_t *msiq_head);
344 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
345     msiqhead_t msiq_head);
346 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
347     msiqtail_t *msiq_tail);
348 
349 /*
350  * MSI Functions:
351  */
352 extern uint64_t hvio_msi_init(devhandle_t dev_hdl, uint64_t addr32,
353     uint64_t addr64);
354 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
355     msiqid_t *msiq_id);
356 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
357     msiqid_t msiq_id);
358 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
359     pci_msi_valid_state_t *msi_valid_state);
360 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
361     pci_msi_valid_state_t msi_valid_state);
362 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
363     pci_msi_state_t *msi_state);
364 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
365     pci_msi_state_t msi_state);
366 
367 /*
368  * MSG Functions:
369  */
370 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
371     msiqid_t *msiq_id);
372 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
373     msiqid_t msiq_id);
374 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
375     pcie_msg_valid_state_t *msg_valid_state);
376 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
377     pcie_msg_valid_state_t msg_valid_state);
378 
379 /*
380  * Suspend/Resume Functions:
381  */
382 extern uint64_t hvio_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
383 extern void hvio_resume(devhandle_t dev_hdl,
384     devino_t devino, pxu_t *pxu_p);
385 extern uint64_t hvio_cb_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
386 extern void hvio_cb_resume(devhandle_t pci_dev_hdl, devhandle_t xbus_dev_hdl,
387     devino_t devino, pxu_t *pxu_p);
388 extern int px_send_pme_turnoff(caddr_t csr_base);
389 extern int px_link_wait4l1idle(caddr_t csr_base);
390 extern int px_link_retrain(caddr_t csr_base);
391 extern void px_enable_detect_quiet(caddr_t csr_base);
392 
393 extern void px_lib_clr_errs(px_t *px_p, dev_info_t *rdip, uint64_t addr);
394 
395 /*
396  * Hotplug functions:
397  */
398 extern int hvio_hotplug_init(dev_info_t *dip, void *arg);
399 extern int hvio_hotplug_uninit(dev_info_t *dip);
400 
401 #ifdef	__cplusplus
402 }
403 #endif
404 
405 #endif	/* _SYS_PX_LIB4U_H */
406