xref: /titanic_44/usr/src/uts/sun4u/io/px/px_lib4u.h (revision 888e055994b8b0dc77b98c53dd97026237caec5d)
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 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 /*
34  * Errors returned.
35  */
36 #define	H_EOK			0	/* Successful return */
37 #define	H_ENOINTR		1	/* Invalid interrupt id */
38 #define	H_EINVAL		2	/* Invalid argument */
39 #define	H_ENOACCESS		3	/* No access to resource */
40 #define	H_EIO			4	/* I/O error */
41 #define	H_ENOTSUPPORTED		5	/* Function not supported */
42 #define	H_ENOMAP		6	/* Mapping is not valid, */
43 					/* no translation exists */
44 
45 /*
46  * Register base definitions.
47  *
48  * The specific numeric values for CSR, XBUS, Configuration,
49  * Interrupt blocks and other register bases.
50  */
51 typedef enum {
52 	PX_REG_CSR = 0,
53 	PX_REG_XBC,
54 	PX_REG_CFG,
55 	PX_REG_IC,
56 	PX_REG_MAX
57 } px_reg_bank_t;
58 
59 /*
60  * Registers/state/variables that need to be saved and restored during
61  * suspend/resume.
62  *
63  * SUN4U px specific data structure.
64  */
65 
66 /* Control block soft state structure */
67 typedef struct px_cb_list {
68 	px_t			*pxp;
69 	struct px_cb_list	*next;
70 } px_cb_list_t;
71 
72 /* IO chip type */
73 typedef enum {
74 	PX_CHIP_UNIDENTIFIED = 0,
75 	PX_CHIP_FIRE = 1,
76 	PX_CHIP_OBERON = 2
77 } px_chip_type_t;
78 
79 #define	PX_CHIP_TYPE(pxu_p)	((pxu_p)->chip_type)
80 
81 typedef struct px_cb {
82 	px_cb_list_t	*pxl;		/* linked list px */
83 	kmutex_t	cb_mutex;	/* lock for CB */
84 	sysino_t	sysino;		/* proxy sysino */
85 	cpuid_t		cpuid;		/* proxy cpuid */
86 	int		attachcnt;	/* number of attached px */
87 	uint_t		(*px_cb_func)(caddr_t); /* CB intr dispatcher */
88 } px_cb_t;
89 
90 typedef struct pxu {
91 	px_chip_type_t	chip_type;
92 	uint8_t		portid;
93 	uint16_t	tsb_cookie;
94 	uint32_t	tsb_size;
95 	uint64_t	*tsb_vaddr;
96 	uint64_t	tsb_paddr;	/* Only used for Oberon */
97 	sysino_t	hp_sysino;	/* Oberon hotplug interrupt */
98 
99 	void		*msiq_mapped_p;
100 	px_cb_t		*px_cb_p;
101 
102 	/* Soft state for suspend/resume */
103 	uint64_t	*pec_config_state;
104 	uint64_t	*mmu_config_state;
105 	uint64_t	*ib_intr_map;
106 	uint64_t	*ib_config_state;
107 	uint64_t	*xcb_config_state;
108 	uint64_t	*msiq_config_state;
109 	uint_t		cpr_flag;
110 
111 	/* sun4u specific vars */
112 	caddr_t			px_address[4];
113 	ddi_acc_handle_t	px_ac[4];
114 
115 	/* PCItool */
116 	caddr_t		pcitool_addr;
117 } pxu_t;
118 
119 #define	PX2CB(px_p) (((pxu_t *)px_p->px_plat_p)->px_cb_p)
120 
121 /* cpr_flag */
122 #define	PX_NOT_CPR	0
123 #define	PX_ENTERED_CPR	1
124 
125 /*
126  * Event Queue data structure.
127  */
128 typedef	struct eq_rec {
129 	uint64_t	eq_rec_rsvd0 : 1,	/* DW 0 - 63 */
130 			eq_rec_fmt_type : 7,	/* DW 0 - 62:56 */
131 			eq_rec_len : 10,	/* DW 0 - 55:46 */
132 			eq_rec_addr0 : 14,	/* DW 0 - 45:32 */
133 			eq_rec_rid : 16,	/* DW 0 - 31:16 */
134 			eq_rec_data0 : 16;	/* DW 0 - 15:00 */
135 	uint64_t	eq_rec_addr1 : 48,	/* DW 1 - 63:16 */
136 			eq_rec_data1 : 16;	/* DW 1 - 15:0 */
137 	uint64_t	eq_rec_rsvd[6];		/* DW 2-7 */
138 } eq_rec_t;
139 
140 /*
141  * EQ record type
142  *
143  * Upper 4 bits of eq_rec_fmt_type is used
144  * to identify the EQ record type.
145  */
146 #define	EQ_REC_MSG	0x6			/* MSG   - 0x3X */
147 #define	EQ_REC_MSI32	0xB			/* MSI32 - 0x58 */
148 #define	EQ_REC_MSI64	0xF			/* MSI64 - 0x78 */
149 
150 /* EQ State */
151 #define	EQ_IDLE_STATE	0x1			/* IDLE */
152 #define	EQ_ACTIVE_STATE	0x2			/* ACTIVE */
153 #define	EQ_ERROR_STATE	0x4			/* ERROR */
154 
155 /*
156  * Default EQ Configurations
157  */
158 #define	EQ_CNT		36
159 #define	EQ_REC_CNT	128
160 #define	EQ_1ST_ID	0
161 #define	EQ_1ST_DEVINO	24
162 
163 #define	MMU_INVALID_TTE		0ull
164 #define	MMU_TTE_VALID(tte)	(((tte) & MMU_TTE_V) == MMU_TTE_V)
165 #define	MMU_OBERON_PADDR_MASK	0x7fffffffffff
166 #define	MMU_FIRE_PADDR_MASK	0x7ffffffffff
167 
168 /*
169  * control register decoding
170  */
171 /* tsb size: 0=1k 1=2k 2=4k 3=8k 4=16k 5=32k 6=64k 7=128k */
172 #define	MMU_CTL_TO_TSBSIZE(ctl)		((ctl) >> 16)
173 #define	MMU_TSBSIZE_TO_TSBENTRIES(s)	((1 << (s)) << (13 - 3))
174 
175 /*
176  * For Fire mmu bypass addresses, bit 43 specifies cacheability.
177  */
178 #define	MMU_FIRE_BYPASS_NONCACHE	 (1ull << 43)
179 
180 /*
181  * For Oberon mmu bypass addresses, bit 47 specifies cacheability.
182  */
183 #define	MMU_OBERON_BYPASS_NONCACHE	 (1ull << 47)
184 
185 /*
186  * The following macros define the address ranges supported for DVMA
187  * and mmu bypass transfers. For Oberon, bit 63 is used for ordering.
188  */
189 #define	MMU_FIRE_BYPASS_BASE		0xFFFC000000000000ull
190 #define	MMU_FIRE_BYPASS_END		0xFFFC03FFFFFFFFFFull
191 
192 #define	MMU_OBERON_BYPASS_BASE		0x7FFC000000000000ull
193 #define	MMU_OBERON_BYPASS_END		0x7FFC7FFFFFFFFFFFull
194 
195 #define	MMU_OBERON_BYPASS_RO		0x8000000000000000ull
196 
197 #define	MMU_TSB_PA_MASK		0x7FFFFFFFE000
198 
199 /*
200  * The following macros are for loading and unloading io tte
201  * entries.
202  */
203 #define	MMU_TTE_SIZE		8
204 #define	MMU_TTE_V		(1ull << 63)
205 #define	MMU_TTE_W		(1ull << 1)
206 #define	MMU_TTE_RO		(1ull << 62)	/* Oberon Relaxed Ordering */
207 
208 #define	INO_BITS		6	/* INO#s are 6 bits long */
209 #define	INO_MASK		0x3F	/* INO#s mask */
210 
211 #define	SYSINO_TO_DEVINO(sysino)	(sysino & INO_MASK)
212 
213 #define	FIRE_IGN_MASK		0x1F	/* IGN#s mask, 5 bits long for Fire */
214 #define	OBERON_IGN_MASK		0xFF	/* IGN#s mask, 8 bits long for Oberon */
215 
216 #define	ID_TO_IGN(chip, portid) ((portid) & ((chip) == PX_CHIP_OBERON ? \
217 	OBERON_IGN_MASK : FIRE_IGN_MASK))
218 
219 #define	DEVINO_TO_SYSINO(portid, devino) \
220 	(((portid) << INO_BITS) | ((devino) & INO_MASK))
221 
222 /* Interrupt states */
223 #define	INTERRUPT_IDLE_STATE		0
224 #define	INTERRUPT_RECEIVED_STATE	1
225 #define	INTERRUPT_PENDING_STATE		3
226 
227 /*
228  * Defines for link width and max packet size for ACKBAK Latency Threshold Timer
229  * and TxLink Replay Timer Latency Table array sizes
230  * Num		Link Width		Packet Size
231  * 0		1			128
232  * 1		4			256
233  * 2		8			512
234  * 3		16			1024
235  * 4		-			2048
236  * 5		-			4096
237  */
238 #define	LINK_WIDTH_ARR_SIZE		4
239 #define	LINK_MAX_PKT_ARR_SIZE		6
240 
241 /*
242  * Defines for registers which have multi-bit fields.
243  */
244 #define	TLU_LINK_CONTROL_ASPM_DISABLED			0x0
245 #define	TLU_LINK_CONTROL_ASPM_L0S_EN			0x1
246 #define	TLU_LINK_CONTROL_ASPM_L1_EN			0x2
247 #define	TLU_LINK_CONTROL_ASPM_L0S_L1_EN			0x3
248 
249 #define	TLU_CONTROL_CONFIG_DEFAULT			0x1
250 #define	TLU_CONTROL_L0S_TIM_DEFAULT			0xdaull
251 #define	TLU_CONTROL_MPS_MASK				0x1C
252 #define	TLU_CONTROL_MPS_SHIFT				2
253 
254 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_0	0x0
255 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_1	0x1
256 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_2	0x2
257 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_3	0x3
258 
259 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR_DEFAULT	0xFFFFull
260 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR_DEFAULT	0x0ull
261 
262 #define	LPU_TXLINK_SEQUENCE_COUNTER_ACK_SEQ_CNTR_DEFAULT	0xFFF
263 #define	LPU_TXLINK_SEQUENCE_COUNTER_NXT_TX_SEQ_CNTR_DEFAULT	0x0
264 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR_SEQ_CNT_MAX_ADDR_DEF	0x157
265 
266 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_TLPTR_DEFAULT	0xFFF
267 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_HDPTR_DEFAULT	0x0
268 
269 #define	LPU_LTSSM_CONFIG1_LTSSM_8_TO_DEFAULT		0x2
270 #define	LPU_LTSSM_CONFIG1_LTSSM_20_TO_DEFAULT		0x5
271 #define	LPU_LTSSM_CONFIG2_LTSSM_12_TO_DEFAULT		0x2DC6C0
272 #define	LPU_LTSSM_CONFIG3_LTSSM_2_TO_DEFAULT		0x7A120
273 #define	LPU_LTSSM_CONFIG4_DATA_RATE_DEFAULT		0x2
274 #define	LPU_LTSSM_CONFIG4_N_FTS_DEFAULT			0x8c
275 
276 /* LPU LTSSM states */
277 #define	LPU_LTSSM_L0			0x0
278 #define	LPU_LTSSM_L1_IDLE		0x15
279 
280 /* TLU Control register bits */
281 #define	TLU_REMAIN_DETECT_QUIET		8
282 
283 /* PX BDF Shift in a Phyiscal Address - used FMA Fabric only */
284 #define	PX_PA_BDF_SHIFT			12
285 #define	PX_BDF_TO_CFGADDR(bdf, offset) (((bdf) << PX_PA_BDF_SHIFT) + (offset))
286 
287 /*
288  * Fire hardware specific version definitions.
289  * All Fire versions > 2.0 will be numerically greater than FIRE_MOD_REV_20
290  */
291 #define	FIRE_MOD_REV_20	0x03
292 
293 /*
294  * Oberon specific definitions.
295  */
296 #define	OBERON_RANGE_PROP_MASK	0x7fff
297 
298 /*
299  * HW specific paddr mask.
300  */
301 extern uint64_t px_paddr_mask;
302 
303 extern void hvio_cb_init(caddr_t xbc_csr_base, pxu_t *pxu_p);
304 extern void hvio_ib_init(caddr_t csr_base, pxu_t *pxu_p);
305 extern void hvio_mmu_init(caddr_t csr_base, pxu_t *pxu_p);
306 extern void hvio_pec_init(caddr_t csr_base, pxu_t *pxu_p);
307 
308 extern uint64_t hvio_intr_devino_to_sysino(devhandle_t dev_hdl, pxu_t *pxu_p,
309     devino_t devino, sysino_t *sysino);
310 extern uint64_t hvio_intr_getvalid(devhandle_t dev_hdl, sysino_t sysino,
311     intr_valid_state_t *intr_valid_state);
312 extern uint64_t hvio_intr_setvalid(devhandle_t dev_hdl, sysino_t sysino,
313     intr_valid_state_t intr_valid_state);
314 extern uint64_t hvio_intr_getstate(devhandle_t dev_hdl, sysino_t sysino,
315     intr_state_t *intr_state);
316 extern uint64_t hvio_intr_setstate(devhandle_t dev_hdl, sysino_t sysino,
317     intr_state_t intr_state);
318 extern uint64_t hvio_intr_gettarget(devhandle_t dev_hdl, pxu_t *pxu_p,
319     sysino_t sysino, cpuid_t *cpuid);
320 extern uint64_t hvio_intr_settarget(devhandle_t dev_hdl, pxu_t *pxu_p,
321     sysino_t sysino, cpuid_t cpuid);
322 
323 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid,
324     pages_t pages, io_attributes_t attr, void *addr, size_t pfn_index,
325     int flags);
326 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, pxu_t *pxu_p,
327     tsbid_t tsbid, pages_t pages);
328 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, pxu_t *pxu_p,
329     tsbid_t tsbid, io_attributes_t *attr_p, r_addr_t *r_addr_p);
330 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, pxu_t *pxu_p,
331     r_addr_t ra, io_attributes_t attr, io_addr_t *io_addr_p);
332 extern uint64_t hvio_get_bypass_base(pxu_t *pxu_p);
333 extern uint64_t hvio_get_bypass_end(pxu_t *pxu_p);
334 extern uint64_t px_get_range_prop(px_t *px_p, pci_ranges_t *rp, int bank);
335 
336 
337 /*
338  * MSIQ Functions:
339  */
340 extern uint64_t hvio_msiq_init(devhandle_t dev_hdl, pxu_t *pxu_p);
341 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
342     pci_msiq_valid_state_t *msiq_valid_state);
343 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
344     pci_msiq_valid_state_t msiq_valid_state);
345 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
346     pci_msiq_state_t *msiq_state);
347 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
348     pci_msiq_state_t msiq_state);
349 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
350     msiqhead_t *msiq_head);
351 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
352     msiqhead_t msiq_head);
353 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
354     msiqtail_t *msiq_tail);
355 
356 /*
357  * MSI Functions:
358  */
359 extern uint64_t hvio_msi_init(devhandle_t dev_hdl, uint64_t addr32,
360     uint64_t addr64);
361 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
362     msiqid_t *msiq_id);
363 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
364     msiqid_t msiq_id);
365 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
366     pci_msi_valid_state_t *msi_valid_state);
367 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
368     pci_msi_valid_state_t msi_valid_state);
369 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
370     pci_msi_state_t *msi_state);
371 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
372     pci_msi_state_t msi_state);
373 
374 /*
375  * MSG Functions:
376  */
377 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
378     msiqid_t *msiq_id);
379 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
380     msiqid_t msiq_id);
381 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
382     pcie_msg_valid_state_t *msg_valid_state);
383 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
384     pcie_msg_valid_state_t msg_valid_state);
385 
386 /*
387  * Suspend/Resume Functions:
388  */
389 extern uint64_t hvio_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
390 extern void hvio_resume(devhandle_t dev_hdl,
391     devino_t devino, pxu_t *pxu_p);
392 extern uint64_t hvio_cb_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
393 extern void hvio_cb_resume(devhandle_t pci_dev_hdl, devhandle_t xbus_dev_hdl,
394     devino_t devino, pxu_t *pxu_p);
395 extern int px_send_pme_turnoff(caddr_t csr_base);
396 extern int px_link_wait4l1idle(caddr_t csr_base);
397 extern int px_link_retrain(caddr_t csr_base);
398 extern void px_enable_detect_quiet(caddr_t csr_base);
399 
400 extern void px_lib_clr_errs(px_t *px_p, dev_info_t *rdip, uint64_t addr);
401 
402 /*
403  * Hotplug functions:
404  */
405 extern int hvio_hotplug_init(dev_info_t *dip, void *arg);
406 extern int hvio_hotplug_uninit(dev_info_t *dip);
407 
408 #ifdef	__cplusplus
409 }
410 #endif
411 
412 #endif	/* _SYS_PX_LIB4U_H */
413