xref: /titanic_44/usr/src/uts/sun4u/io/px/px_lib4u.h (revision ffbafc5382b8d46def826aec8c419ad31dff8ebd)
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 2006 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 typedef struct pxu {
68 	uint32_t	chip_id;
69 	uint8_t		portid;
70 	uint16_t	tsb_cookie;
71 	uint32_t	tsb_size;
72 	uint64_t	*tsb_vaddr;
73 	void		*msiq_mapped_p;
74 
75 	/* Soft state for suspend/resume */
76 	uint64_t	*pec_config_state;
77 	uint64_t	*mmu_config_state;
78 	uint64_t	*ib_intr_map;
79 	uint64_t	*ib_config_state;
80 	uint64_t	*xcb_config_state;
81 	uint64_t	*msiq_config_state;
82 
83 	/* sun4u specific vars */
84 	caddr_t			px_address[4];
85 	ddi_acc_handle_t	px_ac[4];
86 } pxu_t;
87 
88 /*
89  * Event Queue data structure.
90  */
91 typedef	struct eq_rec {
92 	uint64_t	eq_rec_rsvd0 : 1,	/* DW 0 - 63 */
93 			eq_rec_fmt_type : 7,	/* DW 0 - 62:56 */
94 			eq_rec_len : 10,	/* DW 0 - 55:46 */
95 			eq_rec_addr0 : 14,	/* DW 0 - 45:32 */
96 			eq_rec_rid : 16,	/* DW 0 - 31:16 */
97 			eq_rec_data0 : 16;	/* DW 0 - 15:00 */
98 	uint64_t	eq_rec_addr1 : 48,	/* DW 1 - 63:16 */
99 			eq_rec_data1 : 16;	/* DW 1 - 15:0 */
100 	uint64_t	eq_rec_rsvd[6];		/* DW 2-7 */
101 } eq_rec_t;
102 
103 /*
104  * EQ record type
105  *
106  * Upper 4 bits of eq_rec_fmt_type is used
107  * to identify the EQ record type.
108  */
109 #define	EQ_REC_MSG	0x6			/* MSG   - 0x3X */
110 #define	EQ_REC_MSI32	0xB			/* MSI32 - 0x58 */
111 #define	EQ_REC_MSI64	0xF			/* MSI64 - 0x78 */
112 
113 /* EQ State */
114 #define	EQ_IDLE_STATE	0x1			/* IDLE */
115 #define	EQ_ACTIVE_STATE	0x2			/* ACTIVE */
116 #define	EQ_ERROR_STATE	0x4			/* ERROR */
117 
118 #define	MMU_INVALID_TTE		0ull
119 #define	MMU_TTE_VALID(tte)	(((tte) & MMU_TTE_V) == MMU_TTE_V)
120 #define	MMU_TTETOPA(x)		((x & 0x7ffffffffff) >> MMU_PAGE_SHIFT)
121 
122 /*
123  * control register decoding
124  */
125 /* tsb size: 0=1k 1=2k 2=4k 3=8k 4=16k 5=32k 6=64k 7=128k */
126 #define	MMU_CTL_TO_TSBSIZE(ctl)		((ctl) >> 16)
127 #define	MMU_TSBSIZE_TO_TSBENTRIES(s)	((1 << (s)) << (13 - 3))
128 
129 /*
130  * For mmu bypass addresses, bit 43 specifies cacheability.
131  */
132 #define	MMU_BYPASS_NONCACHE	 (1ull << 43)
133 
134 /*
135  * The following macros define the address ranges supported for DVMA
136  * and mmu bypass transfers.
137  */
138 #define	MMU_BYPASS_BASE		0xFFFC000000000000ull
139 #define	MMU_BYPASS_END		0xFFFC01FFFFFFFFFFull
140 
141 /*
142  * The following macros are for loading and unloading io tte
143  * entries.
144  */
145 #define	MMU_TTE_SIZE		8
146 #define	MMU_TTE_V		(1ull << 63)
147 #define	MMU_TTE_W		(1ull << 1)
148 
149 #define	INO_BITS		6	/* INO#s are 6 bits long */
150 #define	IGN_BITS		5	/* IGN#s are 5 bits long */
151 #define	INO_MASK		0x3F	/* INO#s mask */
152 #define	IGN_MASK		0x1F	/* IGN#s mask */
153 
154 #define	ID_TO_IGN(portid)		((uint16_t)((portid) & IGN_MASK))
155 #define	ID_TO_NODEID(portid)		((uint16_t)((portid) >> IGN_BITS))
156 #define	DEVINO_TO_SYSINO(portid, devino)	\
157 	((ID_TO_NODEID(portid) << (IGN_BITS + INO_BITS)) | \
158 	((ID_TO_IGN(portid) << INO_BITS) | (devino & INO_MASK)))
159 #define	SYSINO_TO_DEVINO(sysino)	(sysino & INO_MASK)
160 
161 /* Interrupt states */
162 #define	INTERRUPT_IDLE_STATE		0
163 #define	INTERRUPT_RECEIVED_STATE	1
164 #define	INTERRUPT_PENDING_STATE		3
165 
166 /*
167  * Defines for link width and max packet size for ACKBAK Latency Threshold Timer
168  * and TxLink Replay Timer Latency Table array sizes
169  * Num		Link Width		Packet Size
170  * 0		1			128
171  * 1		4			256
172  * 2		8			512
173  * 3		16			1024
174  * 4		-			2048
175  * 5		-			4096
176  */
177 #define	LINK_WIDTH_ARR_SIZE		4
178 #define	LINK_MAX_PKT_ARR_SIZE		6
179 
180 /*
181  * Defines for registers which have multi-bit fields.
182  */
183 #define	TLU_LINK_CONTROL_ASPM_DISABLED			0x0
184 #define	TLU_LINK_CONTROL_ASPM_L0S_EN			0x1
185 #define	TLU_LINK_CONTROL_ASPM_L1_EN			0x2
186 #define	TLU_LINK_CONTROL_ASPM_L0S_L1_EN			0x3
187 
188 #define	TLU_CONTROL_CONFIG_DEFAULT			0x1
189 #define	TLU_CONTROL_L0S_TIM_DEFAULT			0xdaull
190 #define	TLU_CONTROL_MPS_MASK				0x1C
191 #define	TLU_CONTROL_MPS_SHIFT				2
192 
193 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_0	0x0
194 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_1	0x1
195 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_2	0x2
196 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_3	0x3
197 
198 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR_DEFAULT	0xFFFFull
199 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR_DEFAULT	0x0ull
200 
201 #define	LPU_TXLINK_SEQUENCE_COUNTER_ACK_SEQ_CNTR_DEFAULT	0xFFF
202 #define	LPU_TXLINK_SEQUENCE_COUNTER_NXT_TX_SEQ_CNTR_DEFAULT	0x0
203 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR_SEQ_CNT_MAX_ADDR_DEF	0x157
204 
205 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_TLPTR_DEFAULT	0xFFF
206 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_HDPTR_DEFAULT	0x0
207 
208 #define	LPU_LTSSM_CONFIG1_LTSSM_8_TO_DEFAULT		0x2
209 #define	LPU_LTSSM_CONFIG1_LTSSM_20_TO_DEFAULT		0x5
210 #define	LPU_LTSSM_CONFIG2_LTSSM_12_TO_DEFAULT		0x2DC6C0
211 #define	LPU_LTSSM_CONFIG3_LTSSM_2_TO_DEFAULT		0x7A120
212 #define	LPU_LTSSM_CONFIG4_DATA_RATE_DEFAULT		0x2
213 #define	LPU_LTSSM_CONFIG4_N_FTS_DEFAULT			0x8c
214 
215 /* LPU LTSSM states */
216 #define	LPU_LTSSM_L0			0x0
217 #define	LPU_LTSSM_L1_IDLE		0x15
218 
219 /* TLU Control register bits */
220 #define	TLU_REMAIN_DETECT_QUIET		8
221 
222 /* PX BDF Shift in a Phyiscal Address - used FMA Fabric only */
223 #define	PX_PA_BDF_SHIFT			12
224 #define	PX_BDF_TO_CFGADDR(bdf, offset) (((bdf) << PX_PA_BDF_SHIFT) + (offset))
225 
226 /*
227  * The sequence of the chip_type appearance is significant.
228  * There are code depending on it: PX_CHIP_TYPE(pxu_p) < PX_CHIP_FIRE.
229  */
230 typedef enum {
231 	PX_CHIP_UNIDENTIFIED = 0,
232 	PX_CHIP_FIRE = 1
233 } px_chip_id_t;
234 
235 /*
236  * [msb]                                [lsb]
237  * 0x00 <chip_type> <version#> <module-revision#>
238  */
239 #define	PX_CHIP_ID(t, v, m)	(((t) << 16) | ((v) << 8) | (m))
240 #define	PX_ID_CHIP_TYPE(id)	((id) >> 16)
241 #define	PX_CHIP_TYPE(pxu_p)	PX_ID_CHIP_TYPE(PX_CHIP_ID((pxu_p)->chip_id))
242 #define	PX_CHIP_REV(pxu_p)	PX_CHIP_ID(((pxu_p)->chip_id) & 0xFF)
243 #define	PX_CHIP_VER(pxu_p)	PX_CHIP_ID((((pxu_p)->chip_id) >> 8) & 0xFF)
244 
245 /*
246  * Fire hardware specific version definitions.
247  */
248 #define	FIRE_VER_10	PX_CHIP_ID(PX_CHIP_FIRE, 0x01, 0x00)
249 #define	FIRE_VER_20	PX_CHIP_ID(PX_CHIP_FIRE, 0x03, 0x00)
250 
251 extern void hvio_cb_init(caddr_t xbc_csr_base, pxu_t *pxu_p);
252 extern void hvio_ib_init(caddr_t csr_base, pxu_t *pxu_p);
253 extern void hvio_mmu_init(caddr_t csr_base, pxu_t *pxu_p);
254 extern void hvio_pec_init(caddr_t csr_base, pxu_t *pxu_p);
255 
256 extern uint64_t hvio_intr_devino_to_sysino(devhandle_t dev_hdl, pxu_t *pxu_p,
257     devino_t devino, sysino_t *sysino);
258 extern uint64_t hvio_intr_getvalid(devhandle_t dev_hdl, sysino_t sysino,
259     intr_valid_state_t *intr_valid_state);
260 extern uint64_t hvio_intr_setvalid(devhandle_t dev_hdl, sysino_t sysino,
261     intr_valid_state_t intr_valid_state);
262 extern uint64_t hvio_intr_getstate(devhandle_t dev_hdl, sysino_t sysino,
263     intr_state_t *intr_state);
264 extern uint64_t hvio_intr_setstate(devhandle_t dev_hdl, sysino_t sysino,
265     intr_state_t intr_state);
266 extern uint64_t hvio_intr_gettarget(devhandle_t dev_hdl, sysino_t sysino,
267     cpuid_t *cpuid);
268 extern uint64_t hvio_intr_settarget(devhandle_t dev_hdl, sysino_t sysino,
269     cpuid_t cpuid);
270 
271 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid,
272     pages_t pages, io_attributes_t attr, void *addr, size_t pfn_index,
273     int flags);
274 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, pxu_t *pxu_p,
275     tsbid_t tsbid, pages_t pages);
276 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, pxu_t *pxu_p,
277     tsbid_t tsbid, io_attributes_t *attr_p, r_addr_t *r_addr_p);
278 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, r_addr_t ra,
279     io_attributes_t attr, io_addr_t *io_addr_p);
280 
281 /*
282  * MSIQ Functions:
283  */
284 extern uint64_t hvio_msiq_init(devhandle_t dev_hdl, pxu_t *pxu_p);
285 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
286     pci_msiq_valid_state_t *msiq_valid_state);
287 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
288     pci_msiq_valid_state_t msiq_valid_state);
289 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
290     pci_msiq_state_t *msiq_state);
291 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
292     pci_msiq_state_t msiq_state);
293 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
294     msiqhead_t *msiq_head);
295 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
296     msiqhead_t msiq_head);
297 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
298     msiqtail_t *msiq_tail);
299 
300 /*
301  * MSI Functions:
302  */
303 extern uint64_t hvio_msi_init(devhandle_t dev_hdl, uint64_t addr32,
304     uint64_t addr64);
305 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
306     msiqid_t *msiq_id);
307 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
308     msiqid_t msiq_id);
309 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
310     pci_msi_valid_state_t *msi_valid_state);
311 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
312     pci_msi_valid_state_t msi_valid_state);
313 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
314     pci_msi_state_t *msi_state);
315 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
316     pci_msi_state_t msi_state);
317 
318 /*
319  * MSG Functions:
320  */
321 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
322     msiqid_t *msiq_id);
323 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
324     msiqid_t msiq_id);
325 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
326     pcie_msg_valid_state_t *msg_valid_state);
327 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
328     pcie_msg_valid_state_t msg_valid_state);
329 
330 /*
331  * Suspend/Resume Functions:
332  */
333 extern uint64_t hvio_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
334 extern void hvio_resume(devhandle_t dev_hdl,
335     devino_t devino, pxu_t *pxu_p);
336 extern uint64_t hvio_cb_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
337 extern void hvio_cb_resume(devhandle_t pci_dev_hdl, devhandle_t xbus_dev_hdl,
338     devino_t devino, pxu_t *pxu_p);
339 extern int px_send_pme_turnoff(caddr_t csr_base);
340 extern int px_link_wait4l1idle(caddr_t csr_base);
341 extern int px_link_retrain(caddr_t csr_base);
342 extern void px_enable_detect_quiet(caddr_t csr_base);
343 
344 extern void px_lib_clr_errs(px_t *px_p);
345 
346 #ifdef	__cplusplus
347 }
348 #endif
349 
350 #endif	/* _SYS_PX_LIB4U_H */
351