xref: /titanic_52/usr/src/uts/sun4u/io/px/px_lib4u.h (revision 940d71d237794874e18a0eb72f6564821a823517)
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 2007 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 /* IO chip type */
75 typedef enum {
76 	PX_CHIP_UNIDENTIFIED = 0,
77 	PX_CHIP_FIRE = 1,
78 	PX_CHIP_OBERON = 2
79 } px_chip_type_t;
80 
81 #define	PX_CHIP_TYPE(pxu_p)	((pxu_p)->chip_type)
82 
83 typedef struct px_cb {
84 	px_cb_list_t	*pxl;		/* linked list px */
85 	kmutex_t	cb_mutex;	/* lock for CB */
86 	sysino_t	sysino;		/* proxy sysino */
87 	cpuid_t		cpuid;		/* proxy cpuid */
88 	int		attachcnt;	/* number of attached px */
89 	uint_t		(*px_cb_func)(caddr_t); /* CB intr dispatcher */
90 } px_cb_t;
91 
92 typedef struct pxu {
93 	px_chip_type_t	chip_type;
94 	uint8_t		portid;
95 	uint16_t	tsb_cookie;
96 	uint32_t	tsb_size;
97 	uint64_t	*tsb_vaddr;
98 	uint64_t	tsb_paddr;	/* Only used for Oberon */
99 	sysino_t	hp_sysino;	/* Oberon hotplug interrupt */
100 
101 	void		*msiq_mapped_p;
102 	px_cb_t		*px_cb_p;
103 
104 	/* Soft state for suspend/resume */
105 	uint64_t	*pec_config_state;
106 	uint64_t	*mmu_config_state;
107 	uint64_t	*ib_intr_map;
108 	uint64_t	*ib_config_state;
109 	uint64_t	*xcb_config_state;
110 	uint64_t	*msiq_config_state;
111 	uint_t		cpr_flag;
112 
113 	/* sun4u specific vars */
114 	caddr_t			px_address[4];
115 	ddi_acc_handle_t	px_ac[4];
116 
117 	/* PCItool */
118 	caddr_t		pcitool_addr;
119 } pxu_t;
120 
121 #define	PX2CB(px_p) (((pxu_t *)px_p->px_plat_p)->px_cb_p)
122 
123 /* cpr_flag */
124 #define	PX_NOT_CPR	0
125 #define	PX_ENTERED_CPR	1
126 
127 /*
128  * Event Queue data structure.
129  */
130 typedef	struct eq_rec {
131 	uint64_t	eq_rec_rsvd0 : 1,	/* DW 0 - 63 */
132 			eq_rec_fmt_type : 7,	/* DW 0 - 62:56 */
133 			eq_rec_len : 10,	/* DW 0 - 55:46 */
134 			eq_rec_addr0 : 14,	/* DW 0 - 45:32 */
135 			eq_rec_rid : 16,	/* DW 0 - 31:16 */
136 			eq_rec_data0 : 16;	/* DW 0 - 15:00 */
137 	uint64_t	eq_rec_addr1 : 48,	/* DW 1 - 63:16 */
138 			eq_rec_data1 : 16;	/* DW 1 - 15:0 */
139 	uint64_t	eq_rec_rsvd[6];		/* DW 2-7 */
140 } eq_rec_t;
141 
142 /*
143  * EQ record type
144  *
145  * Upper 4 bits of eq_rec_fmt_type is used
146  * to identify the EQ record type.
147  */
148 #define	EQ_REC_MSG	0x6			/* MSG   - 0x3X */
149 #define	EQ_REC_MSI32	0xB			/* MSI32 - 0x58 */
150 #define	EQ_REC_MSI64	0xF			/* MSI64 - 0x78 */
151 
152 /* EQ State */
153 #define	EQ_IDLE_STATE	0x1			/* IDLE */
154 #define	EQ_ACTIVE_STATE	0x2			/* ACTIVE */
155 #define	EQ_ERROR_STATE	0x4			/* ERROR */
156 
157 #define	MMU_INVALID_TTE		0ull
158 #define	MMU_TTE_VALID(tte)	(((tte) & MMU_TTE_V) == MMU_TTE_V)
159 #define	MMU_OBERON_PADDR_MASK	0x7fffffffffff
160 #define	MMU_FIRE_PADDR_MASK	0x7ffffffffff
161 
162 /*
163  * control register decoding
164  */
165 /* tsb size: 0=1k 1=2k 2=4k 3=8k 4=16k 5=32k 6=64k 7=128k */
166 #define	MMU_CTL_TO_TSBSIZE(ctl)		((ctl) >> 16)
167 #define	MMU_TSBSIZE_TO_TSBENTRIES(s)	((1 << (s)) << (13 - 3))
168 
169 /*
170  * For Fire mmu bypass addresses, bit 43 specifies cacheability.
171  */
172 #define	MMU_FIRE_BYPASS_NONCACHE	 (1ull << 43)
173 
174 /*
175  * For Oberon mmu bypass addresses, bit 47 specifies cacheability.
176  */
177 #define	MMU_OBERON_BYPASS_NONCACHE	 (1ull << 47)
178 
179 /*
180  * The following macros define the address ranges supported for DVMA
181  * and mmu bypass transfers. For Oberon, bit 63 is used for ordering.
182  */
183 #define	MMU_FIRE_BYPASS_BASE		0xFFFC000000000000ull
184 #define	MMU_FIRE_BYPASS_END		0xFFFC03FFFFFFFFFFull
185 
186 #define	MMU_OBERON_BYPASS_BASE		0x7FFC000000000000ull
187 #define	MMU_OBERON_BYPASS_END		0x7FFC7FFFFFFFFFFFull
188 
189 #define	MMU_TSB_PA_MASK		0x7FFFFFFFE000
190 
191 /*
192  * The following macros are for loading and unloading io tte
193  * entries.
194  */
195 #define	MMU_TTE_SIZE		8
196 #define	MMU_TTE_V		(1ull << 63)
197 #define	MMU_TTE_W		(1ull << 1)
198 #define	MMU_TTE_RO		(1ull << 62)	/* Oberon Relaxed Ordering */
199 
200 #define	INO_BITS		6	/* INO#s are 6 bits long */
201 #define	INO_MASK		0x3F	/* INO#s mask */
202 
203 #define	SYSINO_TO_DEVINO(sysino)	(sysino & INO_MASK)
204 
205 #define	FIRE_IGN_MASK		0x1F	/* IGN#s mask, 5 bits long for Fire */
206 #define	OBERON_IGN_MASK		0xFF	/* IGN#s mask, 8 bits long for Oberon */
207 
208 #define	ID_TO_IGN(chip, portid) ((portid) & ((chip) == PX_CHIP_OBERON ? \
209 	OBERON_IGN_MASK : FIRE_IGN_MASK))
210 
211 #define	DEVINO_TO_SYSINO(portid, devino) \
212 	(((portid) << INO_BITS) | ((devino) & INO_MASK))
213 
214 /* Interrupt states */
215 #define	INTERRUPT_IDLE_STATE		0
216 #define	INTERRUPT_RECEIVED_STATE	1
217 #define	INTERRUPT_PENDING_STATE		3
218 
219 /*
220  * Defines for link width and max packet size for ACKBAK Latency Threshold Timer
221  * and TxLink Replay Timer Latency Table array sizes
222  * Num		Link Width		Packet Size
223  * 0		1			128
224  * 1		4			256
225  * 2		8			512
226  * 3		16			1024
227  * 4		-			2048
228  * 5		-			4096
229  */
230 #define	LINK_WIDTH_ARR_SIZE		4
231 #define	LINK_MAX_PKT_ARR_SIZE		6
232 
233 /*
234  * Defines for registers which have multi-bit fields.
235  */
236 #define	TLU_LINK_CONTROL_ASPM_DISABLED			0x0
237 #define	TLU_LINK_CONTROL_ASPM_L0S_EN			0x1
238 #define	TLU_LINK_CONTROL_ASPM_L1_EN			0x2
239 #define	TLU_LINK_CONTROL_ASPM_L0S_L1_EN			0x3
240 
241 #define	TLU_CONTROL_CONFIG_DEFAULT			0x1
242 #define	TLU_CONTROL_L0S_TIM_DEFAULT			0xdaull
243 #define	TLU_CONTROL_MPS_MASK				0x1C
244 #define	TLU_CONTROL_MPS_SHIFT				2
245 
246 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_0	0x0
247 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_1	0x1
248 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_2	0x2
249 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_3	0x3
250 
251 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR_DEFAULT	0xFFFFull
252 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR_DEFAULT	0x0ull
253 
254 #define	LPU_TXLINK_SEQUENCE_COUNTER_ACK_SEQ_CNTR_DEFAULT	0xFFF
255 #define	LPU_TXLINK_SEQUENCE_COUNTER_NXT_TX_SEQ_CNTR_DEFAULT	0x0
256 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR_SEQ_CNT_MAX_ADDR_DEF	0x157
257 
258 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_TLPTR_DEFAULT	0xFFF
259 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_HDPTR_DEFAULT	0x0
260 
261 #define	LPU_LTSSM_CONFIG1_LTSSM_8_TO_DEFAULT		0x2
262 #define	LPU_LTSSM_CONFIG1_LTSSM_20_TO_DEFAULT		0x5
263 #define	LPU_LTSSM_CONFIG2_LTSSM_12_TO_DEFAULT		0x2DC6C0
264 #define	LPU_LTSSM_CONFIG3_LTSSM_2_TO_DEFAULT		0x7A120
265 #define	LPU_LTSSM_CONFIG4_DATA_RATE_DEFAULT		0x2
266 #define	LPU_LTSSM_CONFIG4_N_FTS_DEFAULT			0x8c
267 
268 /* LPU LTSSM states */
269 #define	LPU_LTSSM_L0			0x0
270 #define	LPU_LTSSM_L1_IDLE		0x15
271 
272 /* TLU Control register bits */
273 #define	TLU_REMAIN_DETECT_QUIET		8
274 
275 /* PX BDF Shift in a Phyiscal Address - used FMA Fabric only */
276 #define	PX_PA_BDF_SHIFT			12
277 #define	PX_BDF_TO_CFGADDR(bdf, offset) (((bdf) << PX_PA_BDF_SHIFT) + (offset))
278 
279 /*
280  * Fire hardware specific version definitions.
281  * All Fire versions > 2.0 will be numerically greater than FIRE_MOD_REV_20
282  */
283 #define	FIRE_MOD_REV_20	0x03
284 
285 /*
286  * Oberon specific definitions.
287  */
288 #define	OBERON_RANGE_PROP_MASK	0x7fff
289 
290 /*
291  * HW specific paddr mask.
292  */
293 extern uint64_t px_paddr_mask;
294 
295 extern void hvio_cb_init(caddr_t xbc_csr_base, pxu_t *pxu_p);
296 extern void hvio_ib_init(caddr_t csr_base, pxu_t *pxu_p);
297 extern void hvio_mmu_init(caddr_t csr_base, pxu_t *pxu_p);
298 extern void hvio_pec_init(caddr_t csr_base, pxu_t *pxu_p);
299 
300 extern uint64_t hvio_intr_devino_to_sysino(devhandle_t dev_hdl, pxu_t *pxu_p,
301     devino_t devino, sysino_t *sysino);
302 extern uint64_t hvio_intr_getvalid(devhandle_t dev_hdl, sysino_t sysino,
303     intr_valid_state_t *intr_valid_state);
304 extern uint64_t hvio_intr_setvalid(devhandle_t dev_hdl, sysino_t sysino,
305     intr_valid_state_t intr_valid_state);
306 extern uint64_t hvio_intr_getstate(devhandle_t dev_hdl, sysino_t sysino,
307     intr_state_t *intr_state);
308 extern uint64_t hvio_intr_setstate(devhandle_t dev_hdl, sysino_t sysino,
309     intr_state_t intr_state);
310 extern uint64_t hvio_intr_gettarget(devhandle_t dev_hdl, pxu_t *pxu_p,
311     sysino_t sysino, cpuid_t *cpuid);
312 extern uint64_t hvio_intr_settarget(devhandle_t dev_hdl, pxu_t *pxu_p,
313     sysino_t sysino, cpuid_t cpuid);
314 
315 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid,
316     pages_t pages, io_attributes_t attr, void *addr, size_t pfn_index,
317     int flags);
318 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, pxu_t *pxu_p,
319     tsbid_t tsbid, pages_t pages);
320 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, pxu_t *pxu_p,
321     tsbid_t tsbid, io_attributes_t *attr_p, r_addr_t *r_addr_p);
322 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, pxu_t *pxu_p,
323     r_addr_t ra, io_attributes_t attr, io_addr_t *io_addr_p);
324 extern uint64_t hvio_get_bypass_base(pxu_t *pxu_p);
325 extern uint64_t hvio_get_bypass_end(pxu_t *pxu_p);
326 extern uint64_t px_get_range_prop(px_t *px_p, px_ranges_t *rp, int bank);
327 
328 
329 /*
330  * MSIQ Functions:
331  */
332 extern uint64_t hvio_msiq_init(devhandle_t dev_hdl, pxu_t *pxu_p);
333 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
334     pci_msiq_valid_state_t *msiq_valid_state);
335 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
336     pci_msiq_valid_state_t msiq_valid_state);
337 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
338     pci_msiq_state_t *msiq_state);
339 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
340     pci_msiq_state_t msiq_state);
341 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
342     msiqhead_t *msiq_head);
343 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
344     msiqhead_t msiq_head);
345 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
346     msiqtail_t *msiq_tail);
347 
348 /*
349  * MSI Functions:
350  */
351 extern uint64_t hvio_msi_init(devhandle_t dev_hdl, uint64_t addr32,
352     uint64_t addr64);
353 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
354     msiqid_t *msiq_id);
355 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
356     msiqid_t msiq_id);
357 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
358     pci_msi_valid_state_t *msi_valid_state);
359 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
360     pci_msi_valid_state_t msi_valid_state);
361 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
362     pci_msi_state_t *msi_state);
363 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
364     pci_msi_state_t msi_state);
365 
366 /*
367  * MSG Functions:
368  */
369 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
370     msiqid_t *msiq_id);
371 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
372     msiqid_t msiq_id);
373 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
374     pcie_msg_valid_state_t *msg_valid_state);
375 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
376     pcie_msg_valid_state_t msg_valid_state);
377 
378 /*
379  * Suspend/Resume Functions:
380  */
381 extern uint64_t hvio_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
382 extern void hvio_resume(devhandle_t dev_hdl,
383     devino_t devino, pxu_t *pxu_p);
384 extern uint64_t hvio_cb_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
385 extern void hvio_cb_resume(devhandle_t pci_dev_hdl, devhandle_t xbus_dev_hdl,
386     devino_t devino, pxu_t *pxu_p);
387 extern int px_send_pme_turnoff(caddr_t csr_base);
388 extern int px_link_wait4l1idle(caddr_t csr_base);
389 extern int px_link_retrain(caddr_t csr_base);
390 extern void px_enable_detect_quiet(caddr_t csr_base);
391 
392 extern void px_lib_clr_errs(px_t *px_p, dev_info_t *rdip, uint64_t addr);
393 
394 /*
395  * Hotplug functions:
396  */
397 extern int hvio_hotplug_init(dev_info_t *dip, void *arg);
398 extern int hvio_hotplug_uninit(dev_info_t *dip);
399 
400 #ifdef	__cplusplus
401 }
402 #endif
403 
404 #endif	/* _SYS_PX_LIB4U_H */
405