xref: /titanic_51/usr/src/uts/sun4u/io/px/px_lib4u.h (revision 0168954460bd77d83497a4a6aa9c3f34c55dba25)
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 
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 typedef struct px_cb {
75 	px_cb_list_t	*pxl;		/* linked list px */
76 	kmutex_t	cb_mutex;	/* lock for CB */
77 	sysino_t	sysino;		/* proxy sysino */
78 	cpuid_t		cpuid;		/* proxy cpuid */
79 	int		attachcnt;	/* number of attached px */
80 	uint_t		(*px_cb_func)(caddr_t); /* CB intr dispatcher */
81 } px_cb_t;
82 
83 typedef struct pxu {
84 	uint32_t	chip_id;
85 	uint8_t		portid;
86 	uint16_t	tsb_cookie;
87 	uint32_t	tsb_size;
88 	uint64_t	*tsb_vaddr;
89 	void		*msiq_mapped_p;
90 	px_cb_t		*px_cb_p;
91 
92 	/* Soft state for suspend/resume */
93 	uint64_t	*pec_config_state;
94 	uint64_t	*mmu_config_state;
95 	uint64_t	*ib_intr_map;
96 	uint64_t	*ib_config_state;
97 	uint64_t	*xcb_config_state;
98 	uint64_t	*msiq_config_state;
99 
100 	/* sun4u specific vars */
101 	caddr_t			px_address[4];
102 	ddi_acc_handle_t	px_ac[4];
103 } pxu_t;
104 
105 #define	PX2CB(px_p) (((pxu_t *)px_p->px_plat_p)->px_cb_p)
106 
107 /*
108  * Event Queue data structure.
109  */
110 typedef	struct eq_rec {
111 	uint64_t	eq_rec_rsvd0 : 1,	/* DW 0 - 63 */
112 			eq_rec_fmt_type : 7,	/* DW 0 - 62:56 */
113 			eq_rec_len : 10,	/* DW 0 - 55:46 */
114 			eq_rec_addr0 : 14,	/* DW 0 - 45:32 */
115 			eq_rec_rid : 16,	/* DW 0 - 31:16 */
116 			eq_rec_data0 : 16;	/* DW 0 - 15:00 */
117 	uint64_t	eq_rec_addr1 : 48,	/* DW 1 - 63:16 */
118 			eq_rec_data1 : 16;	/* DW 1 - 15:0 */
119 	uint64_t	eq_rec_rsvd[6];		/* DW 2-7 */
120 } eq_rec_t;
121 
122 /*
123  * EQ record type
124  *
125  * Upper 4 bits of eq_rec_fmt_type is used
126  * to identify the EQ record type.
127  */
128 #define	EQ_REC_MSG	0x6			/* MSG   - 0x3X */
129 #define	EQ_REC_MSI32	0xB			/* MSI32 - 0x58 */
130 #define	EQ_REC_MSI64	0xF			/* MSI64 - 0x78 */
131 
132 /* EQ State */
133 #define	EQ_IDLE_STATE	0x1			/* IDLE */
134 #define	EQ_ACTIVE_STATE	0x2			/* ACTIVE */
135 #define	EQ_ERROR_STATE	0x4			/* ERROR */
136 
137 #define	MMU_INVALID_TTE		0ull
138 #define	MMU_TTE_VALID(tte)	(((tte) & MMU_TTE_V) == MMU_TTE_V)
139 #define	MMU_TTETOPA(x)		((x & 0x7ffffffffff) >> MMU_PAGE_SHIFT)
140 
141 /*
142  * control register decoding
143  */
144 /* tsb size: 0=1k 1=2k 2=4k 3=8k 4=16k 5=32k 6=64k 7=128k */
145 #define	MMU_CTL_TO_TSBSIZE(ctl)		((ctl) >> 16)
146 #define	MMU_TSBSIZE_TO_TSBENTRIES(s)	((1 << (s)) << (13 - 3))
147 
148 /*
149  * For mmu bypass addresses, bit 43 specifies cacheability.
150  */
151 #define	MMU_BYPASS_NONCACHE	 (1ull << 43)
152 
153 /*
154  * The following macros define the address ranges supported for DVMA
155  * and mmu bypass transfers.
156  */
157 #define	MMU_BYPASS_BASE		0xFFFC000000000000ull
158 #define	MMU_BYPASS_END		0xFFFC01FFFFFFFFFFull
159 
160 /*
161  * The following macros are for loading and unloading io tte
162  * entries.
163  */
164 #define	MMU_TTE_SIZE		8
165 #define	MMU_TTE_V		(1ull << 63)
166 #define	MMU_TTE_W		(1ull << 1)
167 
168 #define	INO_BITS		6	/* INO#s are 6 bits long */
169 #define	IGN_BITS		5	/* IGN#s are 5 bits long */
170 #define	INO_MASK		0x3F	/* INO#s mask */
171 #define	IGN_MASK		0x1F	/* IGN#s mask */
172 
173 #define	ID_TO_IGN(portid)		((uint16_t)((portid) & IGN_MASK))
174 #define	ID_TO_NODEID(portid)		((uint16_t)((portid) >> IGN_BITS))
175 #define	DEVINO_TO_SYSINO(portid, devino)	\
176 	((ID_TO_NODEID(portid) << (IGN_BITS + INO_BITS)) | \
177 	((ID_TO_IGN(portid) << INO_BITS) | (devino & INO_MASK)))
178 #define	SYSINO_TO_DEVINO(sysino)	(sysino & INO_MASK)
179 
180 /* Interrupt states */
181 #define	INTERRUPT_IDLE_STATE		0
182 #define	INTERRUPT_RECEIVED_STATE	1
183 #define	INTERRUPT_PENDING_STATE		3
184 
185 /*
186  * Defines for link width and max packet size for ACKBAK Latency Threshold Timer
187  * and TxLink Replay Timer Latency Table array sizes
188  * Num		Link Width		Packet Size
189  * 0		1			128
190  * 1		4			256
191  * 2		8			512
192  * 3		16			1024
193  * 4		-			2048
194  * 5		-			4096
195  */
196 #define	LINK_WIDTH_ARR_SIZE		4
197 #define	LINK_MAX_PKT_ARR_SIZE		6
198 
199 /*
200  * Defines for registers which have multi-bit fields.
201  */
202 #define	TLU_LINK_CONTROL_ASPM_DISABLED			0x0
203 #define	TLU_LINK_CONTROL_ASPM_L0S_EN			0x1
204 #define	TLU_LINK_CONTROL_ASPM_L1_EN			0x2
205 #define	TLU_LINK_CONTROL_ASPM_L0S_L1_EN			0x3
206 
207 #define	TLU_CONTROL_CONFIG_DEFAULT			0x1
208 #define	TLU_CONTROL_L0S_TIM_DEFAULT			0xdaull
209 #define	TLU_CONTROL_MPS_MASK				0x1C
210 #define	TLU_CONTROL_MPS_SHIFT				2
211 
212 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_0	0x0
213 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_1	0x1
214 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_2	0x2
215 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_3	0x3
216 
217 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR_DEFAULT	0xFFFFull
218 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR_DEFAULT	0x0ull
219 
220 #define	LPU_TXLINK_SEQUENCE_COUNTER_ACK_SEQ_CNTR_DEFAULT	0xFFF
221 #define	LPU_TXLINK_SEQUENCE_COUNTER_NXT_TX_SEQ_CNTR_DEFAULT	0x0
222 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR_SEQ_CNT_MAX_ADDR_DEF	0x157
223 
224 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_TLPTR_DEFAULT	0xFFF
225 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_HDPTR_DEFAULT	0x0
226 
227 #define	LPU_LTSSM_CONFIG1_LTSSM_8_TO_DEFAULT		0x2
228 #define	LPU_LTSSM_CONFIG1_LTSSM_20_TO_DEFAULT		0x5
229 #define	LPU_LTSSM_CONFIG2_LTSSM_12_TO_DEFAULT		0x2DC6C0
230 #define	LPU_LTSSM_CONFIG3_LTSSM_2_TO_DEFAULT		0x7A120
231 #define	LPU_LTSSM_CONFIG4_DATA_RATE_DEFAULT		0x2
232 #define	LPU_LTSSM_CONFIG4_N_FTS_DEFAULT			0x8c
233 
234 /* LPU LTSSM states */
235 #define	LPU_LTSSM_L0			0x0
236 #define	LPU_LTSSM_L1_IDLE		0x15
237 
238 /* TLU Control register bits */
239 #define	TLU_REMAIN_DETECT_QUIET		8
240 
241 /* PX BDF Shift in a Phyiscal Address - used FMA Fabric only */
242 #define	PX_PA_BDF_SHIFT			12
243 #define	PX_BDF_TO_CFGADDR(bdf, offset) (((bdf) << PX_PA_BDF_SHIFT) + (offset))
244 
245 /*
246  * The sequence of the chip_type appearance is significant.
247  * There are code depending on it: PX_CHIP_TYPE(pxu_p) < PX_CHIP_FIRE.
248  */
249 typedef enum {
250 	PX_CHIP_UNIDENTIFIED = 0,
251 	PX_CHIP_FIRE = 1
252 } px_chip_id_t;
253 
254 /*
255  * [msb]                                [lsb]
256  * 0x00 <chip_type> <version#> <module-revision#>
257  */
258 #define	PX_CHIP_ID(t, v, m)	(((t) << 16) | ((v) << 8) | (m))
259 #define	PX_ID_CHIP_TYPE(id)	((id) >> 16)
260 #define	PX_CHIP_TYPE(pxu_p)	PX_ID_CHIP_TYPE(PX_CHIP_ID((pxu_p)->chip_id))
261 #define	PX_CHIP_REV(pxu_p)	PX_CHIP_ID(((pxu_p)->chip_id) & 0xFF)
262 #define	PX_CHIP_VER(pxu_p)	PX_CHIP_ID((((pxu_p)->chip_id) >> 8) & 0xFF)
263 
264 /*
265  * Fire hardware specific version definitions.
266  */
267 #define	FIRE_VER_10	PX_CHIP_ID(PX_CHIP_FIRE, 0x01, 0x00)
268 #define	FIRE_VER_20	PX_CHIP_ID(PX_CHIP_FIRE, 0x03, 0x00)
269 
270 extern void hvio_cb_init(caddr_t xbc_csr_base, pxu_t *pxu_p);
271 extern void hvio_ib_init(caddr_t csr_base, pxu_t *pxu_p);
272 extern void hvio_mmu_init(caddr_t csr_base, pxu_t *pxu_p);
273 extern void hvio_pec_init(caddr_t csr_base, pxu_t *pxu_p);
274 
275 extern uint64_t hvio_intr_devino_to_sysino(devhandle_t dev_hdl, pxu_t *pxu_p,
276     devino_t devino, sysino_t *sysino);
277 extern uint64_t hvio_intr_getvalid(devhandle_t dev_hdl, sysino_t sysino,
278     intr_valid_state_t *intr_valid_state);
279 extern uint64_t hvio_intr_setvalid(devhandle_t dev_hdl, sysino_t sysino,
280     intr_valid_state_t intr_valid_state);
281 extern uint64_t hvio_intr_getstate(devhandle_t dev_hdl, sysino_t sysino,
282     intr_state_t *intr_state);
283 extern uint64_t hvio_intr_setstate(devhandle_t dev_hdl, sysino_t sysino,
284     intr_state_t intr_state);
285 extern uint64_t hvio_intr_gettarget(devhandle_t dev_hdl, sysino_t sysino,
286     cpuid_t *cpuid);
287 extern uint64_t hvio_intr_settarget(devhandle_t dev_hdl, sysino_t sysino,
288     cpuid_t cpuid);
289 
290 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid,
291     pages_t pages, io_attributes_t attr, void *addr, size_t pfn_index,
292     int flags);
293 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, pxu_t *pxu_p,
294     tsbid_t tsbid, pages_t pages);
295 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, pxu_t *pxu_p,
296     tsbid_t tsbid, io_attributes_t *attr_p, r_addr_t *r_addr_p);
297 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, r_addr_t ra,
298     io_attributes_t attr, io_addr_t *io_addr_p);
299 
300 /*
301  * MSIQ Functions:
302  */
303 extern uint64_t hvio_msiq_init(devhandle_t dev_hdl, pxu_t *pxu_p);
304 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
305     pci_msiq_valid_state_t *msiq_valid_state);
306 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
307     pci_msiq_valid_state_t msiq_valid_state);
308 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
309     pci_msiq_state_t *msiq_state);
310 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
311     pci_msiq_state_t msiq_state);
312 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
313     msiqhead_t *msiq_head);
314 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
315     msiqhead_t msiq_head);
316 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
317     msiqtail_t *msiq_tail);
318 
319 /*
320  * MSI Functions:
321  */
322 extern uint64_t hvio_msi_init(devhandle_t dev_hdl, uint64_t addr32,
323     uint64_t addr64);
324 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
325     msiqid_t *msiq_id);
326 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
327     msiqid_t msiq_id);
328 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
329     pci_msi_valid_state_t *msi_valid_state);
330 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
331     pci_msi_valid_state_t msi_valid_state);
332 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
333     pci_msi_state_t *msi_state);
334 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
335     pci_msi_state_t msi_state);
336 
337 /*
338  * MSG Functions:
339  */
340 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
341     msiqid_t *msiq_id);
342 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
343     msiqid_t msiq_id);
344 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
345     pcie_msg_valid_state_t *msg_valid_state);
346 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
347     pcie_msg_valid_state_t msg_valid_state);
348 
349 /*
350  * Suspend/Resume Functions:
351  */
352 extern uint64_t hvio_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
353 extern void hvio_resume(devhandle_t dev_hdl,
354     devino_t devino, pxu_t *pxu_p);
355 extern uint64_t hvio_cb_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
356 extern void hvio_cb_resume(devhandle_t pci_dev_hdl, devhandle_t xbus_dev_hdl,
357     devino_t devino, pxu_t *pxu_p);
358 extern int px_send_pme_turnoff(caddr_t csr_base);
359 extern int px_link_wait4l1idle(caddr_t csr_base);
360 extern int px_link_retrain(caddr_t csr_base);
361 extern void px_enable_detect_quiet(caddr_t csr_base);
362 
363 extern void px_lib_clr_errs(px_t *px_p);
364 
365 #ifdef	__cplusplus
366 }
367 #endif
368 
369 #endif	/* _SYS_PX_LIB4U_H */
370