xref: /titanic_52/usr/src/uts/sun4u/io/px/px_lib4u.h (revision 0dee7919e2f2a6479d16b370af93747b9416b242)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_PX_LIB4U_H
28 #define	_SYS_PX_LIB4U_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * Errors returned.
38  */
39 #define	H_EOK			0	/* Successful return */
40 #define	H_ENOINTR		1	/* Invalid interrupt id */
41 #define	H_EINVAL		2	/* Invalid argument */
42 #define	H_ENOACCESS		3	/* No access to resource */
43 #define	H_EIO			4	/* I/O error */
44 #define	H_ENOTSUPPORTED		5	/* Function not supported */
45 #define	H_ENOMAP		6	/* Mapping is not valid, */
46 					/* no translation exists */
47 
48 /*
49  * Register base definitions.
50  *
51  * The specific numeric values for CSR, XBUS, Configuration,
52  * Interrupt blocks and other register bases.
53  */
54 typedef enum {
55 	PX_REG_CSR = 0,
56 	PX_REG_XBC,
57 	PX_REG_CFG,
58 	PX_REG_IC,
59 	PX_REG_MAX
60 } px_reg_bank_t;
61 
62 /*
63  * Registers/state/variables that need to be saved and restored during
64  * suspend/resume.
65  *
66  * SUN4U px specific data structure.
67  */
68 typedef struct pxu {
69 	uint32_t	chip_id;
70 	uint8_t		portid;
71 	uint16_t	tsb_cookie;
72 	uint32_t	tsb_size;
73 	uint64_t	*tsb_vaddr;
74 	void		*msiq_mapped_p;
75 
76 	/* Soft state for suspend/resume */
77 	uint64_t	*pec_config_state;
78 	uint64_t	*mmu_config_state;
79 	uint64_t	*ib_intr_map;
80 	uint64_t	*ib_config_state;
81 	uint64_t	*xcb_config_state;
82 	uint64_t	*msiq_config_state;
83 
84 	/* sun4u specific vars */
85 	caddr_t			px_address[4];
86 	ddi_acc_handle_t	px_ac[4];
87 } pxu_t;
88 
89 /*
90  * Event Queue data structure.
91  */
92 typedef	struct eq_rec {
93 	uint64_t	eq_rec_rsvd0 : 1,	/* DW 0 - 63 */
94 			eq_rec_fmt_type : 7,	/* DW 0 - 62:56 */
95 			eq_rec_len : 10,	/* DW 0 - 55:46 */
96 			eq_rec_addr0 : 14,	/* DW 0 - 45:32 */
97 			eq_rec_rid : 16,	/* DW 0 - 31:16 */
98 			eq_rec_data0 : 16;	/* DW 0 - 15:00 */
99 	uint64_t	eq_rec_addr1 : 48,	/* DW 1 - 63:16 */
100 			eq_rec_data1 : 16;	/* DW 1 - 15:0 */
101 	uint64_t	eq_rec_rsvd[6];		/* DW 2-7 */
102 } eq_rec_t;
103 
104 /*
105  * EQ record type
106  *
107  * Upper 4 bits of eq_rec_fmt_type is used
108  * to identify the EQ record type.
109  */
110 #define	EQ_REC_MSG	0x6			/* MSG   - 0x3X */
111 #define	EQ_REC_MSI32	0xB			/* MSI32 - 0x58 */
112 #define	EQ_REC_MSI64	0xF			/* MSI64 - 0x78 */
113 
114 /* EQ State */
115 #define	EQ_IDLE_STATE	0x1			/* IDLE */
116 #define	EQ_ACTIVE_STATE	0x2			/* ACTIVE */
117 #define	EQ_ERROR_STATE	0x4			/* ERROR */
118 
119 #define	MMU_INVALID_TTE		0ull
120 #define	MMU_TTE_VALID(tte)	(((tte) & MMU_TTE_V) == MMU_TTE_V)
121 #define	MMU_TTETOPA(x)		((x & 0x7ffffffffff) >> MMU_PAGE_SHIFT)
122 
123 /*
124  * control register decoding
125  */
126 /* tsb size: 0=1k 1=2k 2=4k 3=8k 4=16k 5=32k 6=64k 7=128k */
127 #define	MMU_CTL_TO_TSBSIZE(ctl)		((ctl) >> 16)
128 #define	MMU_TSBSIZE_TO_TSBENTRIES(s)	((1 << (s)) << (13 - 3))
129 
130 /*
131  * For mmu bypass addresses, bit 43 specifies cacheability.
132  */
133 #define	MMU_BYPASS_NONCACHE	 (1ull << 43)
134 
135 /*
136  * The following macros define the address ranges supported for DVMA
137  * and mmu bypass transfers.
138  */
139 #define	MMU_BYPASS_BASE		0xFFFC000000000000ull
140 #define	MMU_BYPASS_END		0xFFFC01FFFFFFFFFFull
141 
142 /*
143  * The following macros are for loading and unloading io tte
144  * entries.
145  */
146 #define	MMU_TTE_SIZE		8
147 #define	MMU_TTE_V		(1ull << 63)
148 #define	MMU_TTE_W		(1ull << 1)
149 
150 #define	INO_BITS		6	/* INO#s are 6 bits long */
151 #define	IGN_BITS		5	/* IGN#s are 5 bits long */
152 #define	INO_MASK		0x3F	/* INO#s mask */
153 #define	IGN_MASK		0x1F	/* IGN#s mask */
154 
155 #define	ID_TO_IGN(portid)		((uint16_t)((portid) & IGN_MASK))
156 #define	ID_TO_NODEID(portid)		((uint16_t)((portid) >> IGN_BITS))
157 #define	DEVINO_TO_SYSINO(portid, devino)	\
158 	((ID_TO_NODEID(portid) << (IGN_BITS + INO_BITS)) | \
159 	((ID_TO_IGN(portid) << INO_BITS) | (devino & INO_MASK)))
160 #define	SYSINO_TO_DEVINO(sysino)	(sysino & INO_MASK)
161 
162 /* Interrupt states */
163 #define	INTERRUPT_IDLE_STATE		0
164 #define	INTERRUPT_RECEIVED_STATE	1
165 #define	INTERRUPT_PENDING_STATE		3
166 
167 /*
168  * Interrupt directives needed for reading proper interrupt diag register for
169  * given ino.
170  */
171 #define	PX_INTR_DIAG_REG(CSRBASE, INO) \
172 	(INO <= 32 ? CSRBASE + INTERRUPT_STATE_STATUS_1 : \
173 	CSRBASE + INTERRUPT_STATE_STATUS_2)
174 
175 #define	PX_INTR_STAT_BITMAP(INO)	(0x3 << (INO & 0x1f))
176 #define	PX_INTR_STATUS(INTRDIAG_REG, INO) (((*INTRDIAG_REG)	\
177 	& PX_INTR_STAT_BITMAP(INO)) >> (INO & 0x1f))
178 
179 /*
180  * Defines for link width and max packet size for ACKBAK Latency Threshold Timer
181  * and TxLink Replay Timer Latency Table array sizes
182  * Num		Link Width		Packet Size
183  * 0		1			128
184  * 1		4			256
185  * 2		8			512
186  * 3		16			1024
187  * 4		-			2048
188  * 5		-			4096
189  */
190 #define	LINK_WIDTH_ARR_SIZE		4
191 #define	LINK_MAX_PKT_ARR_SIZE		6
192 
193 /*
194  * Defines for registers which have multi-bit fields.
195  */
196 #define	TLU_LINK_CONTROL_ASPM_DISABLED			0x0
197 #define	TLU_LINK_CONTROL_ASPM_L0S_EN			0x1
198 #define	TLU_LINK_CONTROL_ASPM_L1_EN			0x2
199 #define	TLU_LINK_CONTROL_ASPM_L0S_L1_EN			0x3
200 
201 #define	TLU_CONTROL_CONFIG_DEFAULT			0x1
202 #define	TLU_CONTROL_L0S_TIM_DEFAULT			0xdaull
203 #define	TLU_CONTROL_MPS_MASK				0x1C
204 #define	TLU_CONTROL_MPS_SHIFT				2
205 
206 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_0	0x0
207 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_1	0x1
208 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_2	0x2
209 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_3	0x3
210 
211 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR_DEFAULT	0xFFFFull
212 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR_DEFAULT	0x0ull
213 
214 #define	LPU_TXLINK_SEQUENCE_COUNTER_ACK_SEQ_CNTR_DEFAULT	0xFFF
215 #define	LPU_TXLINK_SEQUENCE_COUNTER_NXT_TX_SEQ_CNTR_DEFAULT	0x0
216 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR_SEQ_CNT_MAX_ADDR_DEF	0x157
217 
218 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_TLPTR_DEFAULT	0xFFF
219 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_HDPTR_DEFAULT	0x0
220 
221 #define	LPU_LTSSM_CONFIG1_LTSSM_8_TO_DEFAULT		0x2
222 #define	LPU_LTSSM_CONFIG1_LTSSM_20_TO_DEFAULT		0x5
223 #define	LPU_LTSSM_CONFIG2_LTSSM_12_TO_DEFAULT		0x2DC6C0
224 #define	LPU_LTSSM_CONFIG3_LTSSM_2_TO_DEFAULT		0x7A120
225 #define	LPU_LTSSM_CONFIG4_DATA_RATE_DEFAULT		0x2
226 #define	LPU_LTSSM_CONFIG4_N_FTS_DEFAULT			0x8c
227 
228 /* LPU LTSSM states */
229 #define	LPU_LTSSM_L0			0x0
230 #define	LPU_LTSSM_L1_IDLE		0x15
231 
232 /* TLU Control register bits */
233 #define	TLU_REMAIN_DETECT_QUIET		8
234 
235 /* PX BDF Shift in a Phyiscal Address - used FMA Fabric only */
236 #define	PX_PA_BDF_SHIFT			12
237 #define	PX_BDF_TO_CFGADDR(bdf, offset) (((bdf) << PX_PA_BDF_SHIFT) + (offset))
238 
239 /*
240  * The sequence of the chip_type appearance is significant.
241  * There are code depending on it: PX_CHIP_TYPE(pxu_p) < PX_CHIP_FIRE.
242  */
243 typedef enum {
244 	PX_CHIP_UNIDENTIFIED = 0,
245 	PX_CHIP_FIRE = 1
246 } px_chip_id_t;
247 
248 /*
249  * [msb]                                [lsb]
250  * 0x00 <chip_type> <version#> <module-revision#>
251  */
252 #define	PX_CHIP_ID(t, v, m)	(((t) << 16) | ((v) << 8) | (m))
253 #define	PX_ID_CHIP_TYPE(id)	((id) >> 16)
254 #define	PX_CHIP_TYPE(pxu_p)	PX_ID_CHIP_TYPE(PX_CHIP_ID((pxu_p)->chip_id))
255 #define	PX_CHIP_REV(pxu_p)	PX_CHIP_ID(((pxu_p)->chip_id) & 0xFF)
256 #define	PX_CHIP_VER(pxu_p)	PX_CHIP_ID((((pxu_p)->chip_id) >> 8) & 0xFF)
257 
258 /*
259  * Fire hardware specific version definitions.
260  */
261 #define	FIRE_VER_10	PX_CHIP_ID(PX_CHIP_FIRE, 0x01, 0x00)
262 #define	FIRE_VER_20	PX_CHIP_ID(PX_CHIP_FIRE, 0x03, 0x00)
263 
264 extern void hvio_cb_init(caddr_t xbc_csr_base, pxu_t *pxu_p);
265 extern void hvio_ib_init(caddr_t csr_base, pxu_t *pxu_p);
266 extern void hvio_mmu_init(caddr_t csr_base, pxu_t *pxu_p);
267 extern void hvio_pec_init(caddr_t csr_base, pxu_t *pxu_p);
268 
269 extern uint64_t hvio_intr_devino_to_sysino(devhandle_t dev_hdl, pxu_t *pxu_p,
270     devino_t devino, sysino_t *sysino);
271 extern uint64_t hvio_intr_getvalid(devhandle_t dev_hdl, sysino_t sysino,
272     intr_valid_state_t *intr_valid_state);
273 extern uint64_t hvio_intr_setvalid(devhandle_t dev_hdl, sysino_t sysino,
274     intr_valid_state_t intr_valid_state);
275 extern uint64_t hvio_intr_getstate(devhandle_t dev_hdl, sysino_t sysino,
276     intr_state_t *intr_state);
277 extern uint64_t hvio_intr_setstate(devhandle_t dev_hdl, sysino_t sysino,
278     intr_state_t intr_state);
279 extern uint64_t hvio_intr_gettarget(devhandle_t dev_hdl, sysino_t sysino,
280     cpuid_t *cpuid);
281 extern uint64_t hvio_intr_settarget(devhandle_t dev_hdl, sysino_t sysino,
282     cpuid_t cpuid);
283 
284 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid,
285     pages_t pages, io_attributes_t io_attributes,
286     void *addr, size_t pfn_index, int flag);
287 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, pxu_t *pxu_p,
288     tsbid_t tsbid, pages_t pages);
289 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, pxu_t *pxu_p,
290     tsbid_t tsbid, io_attributes_t *attributes_p, r_addr_t *r_addr_p);
291 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, r_addr_t ra,
292     io_attributes_t io_attributes, io_addr_t *io_addr_p);
293 
294 /*
295  * MSIQ Functions:
296  */
297 extern uint64_t hvio_msiq_init(devhandle_t dev_hdl, pxu_t *pxu_p);
298 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
299     pci_msiq_valid_state_t *msiq_valid_state);
300 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
301     pci_msiq_valid_state_t msiq_valid_state);
302 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
303     pci_msiq_state_t *msiq_state);
304 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
305     pci_msiq_state_t msiq_state);
306 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
307     msiqhead_t *msiq_head);
308 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
309     msiqhead_t msiq_head);
310 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
311     msiqtail_t *msiq_tail);
312 
313 /*
314  * MSI Functions:
315  */
316 extern uint64_t hvio_msi_init(devhandle_t dev_hdl, uint64_t addr32,
317     uint64_t addr64);
318 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
319     msiqid_t *msiq_id);
320 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
321     msiqid_t msiq_id);
322 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
323     pci_msi_valid_state_t *msi_valid_state);
324 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
325     pci_msi_valid_state_t msi_valid_state);
326 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
327     pci_msi_state_t *msi_state);
328 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
329     pci_msi_state_t msi_state);
330 
331 /*
332  * MSG Functions:
333  */
334 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
335     msiqid_t *msiq_id);
336 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
337     msiqid_t msiq_id);
338 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
339     pcie_msg_valid_state_t *msg_valid_state);
340 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
341     pcie_msg_valid_state_t msg_valid_state);
342 
343 /*
344  * Suspend/Resume Functions:
345  */
346 extern uint64_t hvio_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
347 extern void hvio_resume(devhandle_t dev_hdl,
348     devino_t devino, pxu_t *pxu_p);
349 extern uint64_t hvio_cb_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
350 extern void hvio_cb_resume(devhandle_t pci_dev_hdl, devhandle_t xbus_dev_hdl,
351     devino_t devino, pxu_t *pxu_p);
352 extern int px_send_pme_turnoff(caddr_t csr_base);
353 extern int px_link_wait4l1idle(caddr_t csr_base);
354 extern int px_link_retrain(caddr_t csr_base);
355 extern void px_enable_detect_quiet(caddr_t csr_base);
356 
357 #ifdef	__cplusplus
358 }
359 #endif
360 
361 #endif	/* _SYS_PX_LIB4U_H */
362