xref: /titanic_52/usr/src/uts/sun4u/io/px/px_lib4u.h (revision 0eb822a1c0c2bea495647510b75f77f0e57633eb)
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 /* 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 
100 	void		*msiq_mapped_p;
101 	px_cb_t		*px_cb_p;
102 
103 	/* Soft state for suspend/resume */
104 	uint64_t	*pec_config_state;
105 	uint64_t	*mmu_config_state;
106 	uint64_t	*ib_intr_map;
107 	uint64_t	*ib_config_state;
108 	uint64_t	*xcb_config_state;
109 	uint64_t	*msiq_config_state;
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 /*
122  * Event Queue data structure.
123  */
124 typedef	struct eq_rec {
125 	uint64_t	eq_rec_rsvd0 : 1,	/* DW 0 - 63 */
126 			eq_rec_fmt_type : 7,	/* DW 0 - 62:56 */
127 			eq_rec_len : 10,	/* DW 0 - 55:46 */
128 			eq_rec_addr0 : 14,	/* DW 0 - 45:32 */
129 			eq_rec_rid : 16,	/* DW 0 - 31:16 */
130 			eq_rec_data0 : 16;	/* DW 0 - 15:00 */
131 	uint64_t	eq_rec_addr1 : 48,	/* DW 1 - 63:16 */
132 			eq_rec_data1 : 16;	/* DW 1 - 15:0 */
133 	uint64_t	eq_rec_rsvd[6];		/* DW 2-7 */
134 } eq_rec_t;
135 
136 /*
137  * EQ record type
138  *
139  * Upper 4 bits of eq_rec_fmt_type is used
140  * to identify the EQ record type.
141  */
142 #define	EQ_REC_MSG	0x6			/* MSG   - 0x3X */
143 #define	EQ_REC_MSI32	0xB			/* MSI32 - 0x58 */
144 #define	EQ_REC_MSI64	0xF			/* MSI64 - 0x78 */
145 
146 /* EQ State */
147 #define	EQ_IDLE_STATE	0x1			/* IDLE */
148 #define	EQ_ACTIVE_STATE	0x2			/* ACTIVE */
149 #define	EQ_ERROR_STATE	0x4			/* ERROR */
150 
151 #define	MMU_INVALID_TTE		0ull
152 #define	MMU_TTE_VALID(tte)	(((tte) & MMU_TTE_V) == MMU_TTE_V)
153 #define	MMU_OBERON_PADDR_MASK	0x7fffffffffff
154 #define	MMU_FIRE_PADDR_MASK	0x7ffffffffff
155 
156 /*
157  * control register decoding
158  */
159 /* tsb size: 0=1k 1=2k 2=4k 3=8k 4=16k 5=32k 6=64k 7=128k */
160 #define	MMU_CTL_TO_TSBSIZE(ctl)		((ctl) >> 16)
161 #define	MMU_TSBSIZE_TO_TSBENTRIES(s)	((1 << (s)) << (13 - 3))
162 
163 /*
164  * For Fire mmu bypass addresses, bit 43 specifies cacheability.
165  */
166 #define	MMU_FIRE_BYPASS_NONCACHE	 (1ull << 43)
167 
168 /*
169  * For Oberon mmu bypass addresses, bit 47 specifies cacheability.
170  */
171 #define	MMU_OBERON_BYPASS_NONCACHE	 (1ull << 47)
172 
173 /*
174  * The following macros define the address ranges supported for DVMA
175  * and mmu bypass transfers. For Oberon, bit 63 is used for ordering.
176  */
177 #define	MMU_FIRE_BYPASS_BASE		0xFFFC000000000000ull
178 #define	MMU_FIRE_BYPASS_END		0xFFFC01FFFFFFFFFFull
179 
180 #define	MMU_OBERON_BYPASS_BASE		0x7FFC000000000000ull
181 #define	MMU_OBERON_BYPASS_END		0x7FFC01FFFFFFFFFFull
182 
183 #define	MMU_TSB_PA_MASK		0x7FFFFFFFE000
184 
185 /*
186  * The following macros are for loading and unloading io tte
187  * entries.
188  */
189 #define	MMU_TTE_SIZE		8
190 #define	MMU_TTE_V		(1ull << 63)
191 #define	MMU_TTE_W		(1ull << 1)
192 #define	MMU_TTE_RO		(1ull << 62)	/* Oberon Relaxed Ordering */
193 
194 #define	INO_BITS		6	/* INO#s are 6 bits long */
195 #define	INO_MASK		0x3F	/* INO#s mask */
196 
197 #define	SYSINO_TO_DEVINO(sysino)	(sysino & INO_MASK)
198 
199 #define	FIRE_IGN_MASK		0x1F	/* IGN#s mask, 5 bits long for Fire */
200 #define	OBERON_IGN_MASK		0xFF	/* IGN#s mask, 8 bits long for Oberon */
201 
202 #define	ID_TO_IGN(chip, portid) ((portid) & ((chip) == PX_CHIP_OBERON ? \
203 	OBERON_IGN_MASK : FIRE_IGN_MASK))
204 
205 #define	DEVINO_TO_SYSINO(portid, devino) \
206 	(((portid) << INO_BITS) | ((devino) & INO_MASK))
207 
208 /* Interrupt states */
209 #define	INTERRUPT_IDLE_STATE		0
210 #define	INTERRUPT_RECEIVED_STATE	1
211 #define	INTERRUPT_PENDING_STATE		3
212 
213 /*
214  * Defines for link width and max packet size for ACKBAK Latency Threshold Timer
215  * and TxLink Replay Timer Latency Table array sizes
216  * Num		Link Width		Packet Size
217  * 0		1			128
218  * 1		4			256
219  * 2		8			512
220  * 3		16			1024
221  * 4		-			2048
222  * 5		-			4096
223  */
224 #define	LINK_WIDTH_ARR_SIZE		4
225 #define	LINK_MAX_PKT_ARR_SIZE		6
226 
227 /*
228  * Defines for registers which have multi-bit fields.
229  */
230 #define	TLU_LINK_CONTROL_ASPM_DISABLED			0x0
231 #define	TLU_LINK_CONTROL_ASPM_L0S_EN			0x1
232 #define	TLU_LINK_CONTROL_ASPM_L1_EN			0x2
233 #define	TLU_LINK_CONTROL_ASPM_L0S_L1_EN			0x3
234 
235 #define	TLU_CONTROL_CONFIG_DEFAULT			0x1
236 #define	TLU_CONTROL_L0S_TIM_DEFAULT			0xdaull
237 #define	TLU_CONTROL_MPS_MASK				0x1C
238 #define	TLU_CONTROL_MPS_SHIFT				2
239 
240 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_0	0x0
241 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_1	0x1
242 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_2	0x2
243 #define	LPU_TXLINK_REPLAY_NUMBER_STATUS_RPLAY_NUM_3	0x3
244 
245 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_TLPTR_DEFAULT	0xFFFFull
246 #define	LPU_TXLINK_RETRY_FIFO_POINTER_RTRY_FIFO_HDPTR_DEFAULT	0x0ull
247 
248 #define	LPU_TXLINK_SEQUENCE_COUNTER_ACK_SEQ_CNTR_DEFAULT	0xFFF
249 #define	LPU_TXLINK_SEQUENCE_COUNTER_NXT_TX_SEQ_CNTR_DEFAULT	0x0
250 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_MAX_ADDR_SEQ_CNT_MAX_ADDR_DEF	0x157
251 
252 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_TLPTR_DEFAULT	0xFFF
253 #define	LPU_TXLINK_SEQUENCE_COUNT_FIFO_POINTERS_SEQ_CNT_HDPTR_DEFAULT	0x0
254 
255 #define	LPU_LTSSM_CONFIG1_LTSSM_8_TO_DEFAULT		0x2
256 #define	LPU_LTSSM_CONFIG1_LTSSM_20_TO_DEFAULT		0x5
257 #define	LPU_LTSSM_CONFIG2_LTSSM_12_TO_DEFAULT		0x2DC6C0
258 #define	LPU_LTSSM_CONFIG3_LTSSM_2_TO_DEFAULT		0x7A120
259 #define	LPU_LTSSM_CONFIG4_DATA_RATE_DEFAULT		0x2
260 #define	LPU_LTSSM_CONFIG4_N_FTS_DEFAULT			0x8c
261 
262 /* LPU LTSSM states */
263 #define	LPU_LTSSM_L0			0x0
264 #define	LPU_LTSSM_L1_IDLE		0x15
265 
266 /* TLU Control register bits */
267 #define	TLU_REMAIN_DETECT_QUIET		8
268 
269 /* PX BDF Shift in a Phyiscal Address - used FMA Fabric only */
270 #define	PX_PA_BDF_SHIFT			12
271 #define	PX_BDF_TO_CFGADDR(bdf, offset) (((bdf) << PX_PA_BDF_SHIFT) + (offset))
272 
273 /*
274  * Fire hardware specific version definitions.
275  * All Fire versions > 2.0 will be numerically greater than FIRE_MOD_REV_20
276  */
277 #define	FIRE_MOD_REV_20	0x03
278 
279 /*
280  * Oberon specific definitions.
281  */
282 #define	OBERON_RANGE_PROP_MASK	0x7fff
283 
284 /*
285  * HW specific paddr mask.
286  */
287 extern uint64_t px_paddr_mask;
288 
289 extern void hvio_cb_init(caddr_t xbc_csr_base, pxu_t *pxu_p);
290 extern void hvio_ib_init(caddr_t csr_base, pxu_t *pxu_p);
291 extern void hvio_mmu_init(caddr_t csr_base, pxu_t *pxu_p);
292 extern void hvio_pec_init(caddr_t csr_base, pxu_t *pxu_p);
293 
294 extern uint64_t hvio_intr_devino_to_sysino(devhandle_t dev_hdl, pxu_t *pxu_p,
295     devino_t devino, sysino_t *sysino);
296 extern uint64_t hvio_intr_getvalid(devhandle_t dev_hdl, sysino_t sysino,
297     intr_valid_state_t *intr_valid_state);
298 extern uint64_t hvio_intr_setvalid(devhandle_t dev_hdl, sysino_t sysino,
299     intr_valid_state_t intr_valid_state);
300 extern uint64_t hvio_intr_getstate(devhandle_t dev_hdl, sysino_t sysino,
301     intr_state_t *intr_state);
302 extern uint64_t hvio_intr_setstate(devhandle_t dev_hdl, sysino_t sysino,
303     intr_state_t intr_state);
304 extern uint64_t hvio_intr_gettarget(devhandle_t dev_hdl, pxu_t *pxu_p,
305     sysino_t sysino, cpuid_t *cpuid);
306 extern uint64_t hvio_intr_settarget(devhandle_t dev_hdl, pxu_t *pxu_p,
307     sysino_t sysino, cpuid_t cpuid);
308 
309 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, pxu_t *pxu_p, tsbid_t tsbid,
310     pages_t pages, io_attributes_t attr, void *addr, size_t pfn_index,
311     int flags);
312 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, pxu_t *pxu_p,
313     tsbid_t tsbid, pages_t pages);
314 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, pxu_t *pxu_p,
315     tsbid_t tsbid, io_attributes_t *attr_p, r_addr_t *r_addr_p);
316 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, pxu_t *pxu_p,
317     r_addr_t ra, io_attributes_t attr, io_addr_t *io_addr_p);
318 extern uint64_t hvio_get_bypass_base(pxu_t *pxu_p);
319 extern uint64_t hvio_get_bypass_end(pxu_t *pxu_p);
320 extern uint64_t px_get_range_prop(px_t *px_p, px_ranges_t *rp, int bank);
321 
322 
323 /*
324  * MSIQ Functions:
325  */
326 extern uint64_t hvio_msiq_init(devhandle_t dev_hdl, pxu_t *pxu_p);
327 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
328     pci_msiq_valid_state_t *msiq_valid_state);
329 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
330     pci_msiq_valid_state_t msiq_valid_state);
331 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
332     pci_msiq_state_t *msiq_state);
333 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
334     pci_msiq_state_t msiq_state);
335 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
336     msiqhead_t *msiq_head);
337 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
338     msiqhead_t msiq_head);
339 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
340     msiqtail_t *msiq_tail);
341 
342 /*
343  * MSI Functions:
344  */
345 extern uint64_t hvio_msi_init(devhandle_t dev_hdl, uint64_t addr32,
346     uint64_t addr64);
347 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
348     msiqid_t *msiq_id);
349 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
350     msiqid_t msiq_id);
351 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
352     pci_msi_valid_state_t *msi_valid_state);
353 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
354     pci_msi_valid_state_t msi_valid_state);
355 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
356     pci_msi_state_t *msi_state);
357 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
358     pci_msi_state_t msi_state);
359 
360 /*
361  * MSG Functions:
362  */
363 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
364     msiqid_t *msiq_id);
365 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
366     msiqid_t msiq_id);
367 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
368     pcie_msg_valid_state_t *msg_valid_state);
369 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
370     pcie_msg_valid_state_t msg_valid_state);
371 
372 /*
373  * Suspend/Resume Functions:
374  */
375 extern uint64_t hvio_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
376 extern void hvio_resume(devhandle_t dev_hdl,
377     devino_t devino, pxu_t *pxu_p);
378 extern uint64_t hvio_cb_suspend(devhandle_t dev_hdl, pxu_t *pxu_p);
379 extern void hvio_cb_resume(devhandle_t pci_dev_hdl, devhandle_t xbus_dev_hdl,
380     devino_t devino, pxu_t *pxu_p);
381 extern int px_send_pme_turnoff(caddr_t csr_base);
382 extern int px_link_wait4l1idle(caddr_t csr_base);
383 extern int px_link_retrain(caddr_t csr_base);
384 extern void px_enable_detect_quiet(caddr_t csr_base);
385 
386 extern void px_lib_clr_errs(px_t *px_p);
387 
388 /*
389  * Hotplug functions:
390  */
391 extern int hvio_hotplug_init(dev_info_t *dip, void *arg);
392 extern int hvio_hotplug_uninit(dev_info_t *dip);
393 
394 #ifdef	__cplusplus
395 }
396 #endif
397 
398 #endif	/* _SYS_PX_LIB4U_H */
399