1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2019 Intel Corporation. */
3 
4 #ifndef _FM10K_TYPE_H_
5 #define _FM10K_TYPE_H_
6 
7 /* forward declaration */
8 struct fm10k_hw;
9 
10 #include <linux/types.h>
11 #include <asm/byteorder.h>
12 #include <linux/etherdevice.h>
13 
14 #include "fm10k_mbx.h"
15 
16 #define FM10K_DEV_ID_PF			0x15A4
17 #define FM10K_DEV_ID_VF			0x15A5
18 #define FM10K_DEV_ID_SDI_FM10420_QDA2	0x15D0
19 #define FM10K_DEV_ID_SDI_FM10420_DA2	0x15D5
20 
21 #define FM10K_MAX_QUEUES		256
22 #define FM10K_MAX_QUEUES_PF		128
23 #define FM10K_MAX_QUEUES_POOL		16
24 
25 #define FM10K_48_BIT_MASK		0x0000FFFFFFFFFFFFull
26 #define FM10K_STAT_VALID		0x80000000
27 
28 /* PCI Bus Info */
29 #define FM10K_PCIE_LINK_CAP		0x7C
30 #define FM10K_PCIE_LINK_STATUS		0x82
31 #define FM10K_PCIE_LINK_WIDTH		0x3F0
32 #define FM10K_PCIE_LINK_WIDTH_1		0x10
33 #define FM10K_PCIE_LINK_WIDTH_2		0x20
34 #define FM10K_PCIE_LINK_WIDTH_4		0x40
35 #define FM10K_PCIE_LINK_WIDTH_8		0x80
36 #define FM10K_PCIE_LINK_SPEED		0xF
37 #define FM10K_PCIE_LINK_SPEED_2500	0x1
38 #define FM10K_PCIE_LINK_SPEED_5000	0x2
39 #define FM10K_PCIE_LINK_SPEED_8000	0x3
40 
41 /* PCIe payload size */
42 #define FM10K_PCIE_DEV_CAP			0x74
43 #define FM10K_PCIE_DEV_CAP_PAYLOAD		0x07
44 #define FM10K_PCIE_DEV_CAP_PAYLOAD_128		0x00
45 #define FM10K_PCIE_DEV_CAP_PAYLOAD_256		0x01
46 #define FM10K_PCIE_DEV_CAP_PAYLOAD_512		0x02
47 #define FM10K_PCIE_DEV_CTRL			0x78
48 #define FM10K_PCIE_DEV_CTRL_PAYLOAD		0xE0
49 #define FM10K_PCIE_DEV_CTRL_PAYLOAD_128		0x00
50 #define FM10K_PCIE_DEV_CTRL_PAYLOAD_256		0x20
51 #define FM10K_PCIE_DEV_CTRL_PAYLOAD_512		0x40
52 
53 /* PCIe MSI-X Capability info */
54 #define FM10K_PCI_MSIX_MSG_CTRL			0xB2
55 #define FM10K_PCI_MSIX_MSG_CTRL_TBL_SZ_MASK	0x7FF
56 #define FM10K_MAX_MSIX_VECTORS			256
57 #define FM10K_MAX_VECTORS_PF			256
58 #define FM10K_MAX_VECTORS_POOL			32
59 
60 /* PCIe SR-IOV Info */
61 #define FM10K_PCIE_SRIOV_CTRL			0x190
62 #define FM10K_PCIE_SRIOV_CTRL_VFARI		0x10
63 
64 #define FM10K_ERR_PARAM				-2
65 #define FM10K_ERR_NO_RESOURCES			-3
66 #define FM10K_ERR_REQUESTS_PENDING		-4
67 #define FM10K_ERR_RESET_REQUESTED		-5
68 #define FM10K_ERR_DMA_PENDING			-6
69 #define FM10K_ERR_RESET_FAILED			-7
70 #define FM10K_ERR_INVALID_MAC_ADDR		-8
71 #define FM10K_ERR_INVALID_VALUE			-9
72 #define FM10K_NOT_IMPLEMENTED			0x7FFFFFFF
73 
74 /* Start of PF registers */
75 #define FM10K_CTRL		0x0000
76 #define FM10K_CTRL_BAR4_ALLOWED			0x00000004
77 
78 #define FM10K_CTRL_EXT		0x0001
79 #define FM10K_GCR		0x0003
80 #define FM10K_GCR_EXT		0x0005
81 
82 /* Interrupt control registers */
83 #define FM10K_EICR		0x0006
84 #define FM10K_EICR_FAULT_MASK			0x0000003F
85 #define FM10K_EICR_MAILBOX			0x00000040
86 #define FM10K_EICR_SWITCHREADY			0x00000080
87 #define FM10K_EICR_SWITCHNOTREADY		0x00000100
88 #define FM10K_EICR_SWITCHINTERRUPT		0x00000200
89 #define FM10K_EICR_VFLR				0x00000800
90 #define FM10K_EICR_MAXHOLDTIME			0x00001000
91 #define FM10K_EIMR		0x0007
92 #define FM10K_EIMR_PCA_FAULT			0x00000001
93 #define FM10K_EIMR_THI_FAULT			0x00000010
94 #define FM10K_EIMR_FUM_FAULT			0x00000400
95 #define FM10K_EIMR_MAILBOX			0x00001000
96 #define FM10K_EIMR_SWITCHREADY			0x00004000
97 #define FM10K_EIMR_SWITCHNOTREADY		0x00010000
98 #define FM10K_EIMR_SWITCHINTERRUPT		0x00040000
99 #define FM10K_EIMR_SRAMERROR			0x00100000
100 #define FM10K_EIMR_VFLR				0x00400000
101 #define FM10K_EIMR_MAXHOLDTIME			0x01000000
102 #define FM10K_EIMR_ALL				0x55555555
103 #define FM10K_EIMR_DISABLE(NAME)		((FM10K_EIMR_ ## NAME) << 0)
104 #define FM10K_EIMR_ENABLE(NAME)			((FM10K_EIMR_ ## NAME) << 1)
105 #define FM10K_FAULT_ADDR_LO		0x0
106 #define FM10K_FAULT_ADDR_HI		0x1
107 #define FM10K_FAULT_SPECINFO		0x2
108 #define FM10K_FAULT_FUNC		0x3
109 #define FM10K_FAULT_SIZE		0x4
110 #define FM10K_FAULT_FUNC_VALID			0x00008000
111 #define FM10K_FAULT_FUNC_PF			0x00004000
112 #define FM10K_FAULT_FUNC_VF_MASK		0x00003F00
113 #define FM10K_FAULT_FUNC_VF_SHIFT		8
114 #define FM10K_FAULT_FUNC_TYPE_MASK		0x000000FF
115 
116 #define FM10K_PCA_FAULT		0x0008
117 #define FM10K_THI_FAULT		0x0010
118 #define FM10K_FUM_FAULT		0x001C
119 
120 /* Rx queue timeout indicator */
121 #define FM10K_MAXHOLDQ(_n)	((_n) + 0x0020)
122 
123 /* Switch Manager info */
124 #define FM10K_SM_AREA(_n)	((_n) + 0x0028)
125 
126 /* GLORT mapping registers */
127 #define FM10K_DGLORTMAP(_n)	((_n) + 0x0030)
128 #define FM10K_DGLORT_COUNT			8
129 #define FM10K_DGLORTMAP_MASK_SHIFT		16
130 #define FM10K_DGLORTMAP_ANY			0x00000000
131 #define FM10K_DGLORTMAP_NONE			0x0000FFFF
132 #define FM10K_DGLORTMAP_ZERO			0xFFFF0000
133 #define FM10K_DGLORTDEC(_n)	((_n) + 0x0038)
134 #define FM10K_DGLORTDEC_VSILENGTH_SHIFT		4
135 #define FM10K_DGLORTDEC_VSIBASE_SHIFT		7
136 #define FM10K_DGLORTDEC_PCLENGTH_SHIFT		14
137 #define FM10K_DGLORTDEC_QBASE_SHIFT		16
138 #define FM10K_DGLORTDEC_RSSLENGTH_SHIFT		24
139 #define FM10K_DGLORTDEC_INNERRSS_ENABLE		0x08000000
140 #define FM10K_TUNNEL_CFG	0x0040
141 #define FM10K_TUNNEL_CFG_NVGRE_SHIFT		16
142 #define FM10K_TUNNEL_CFG_GENEVE	0x0041
143 #define FM10K_SWPRI_MAP(_n)	((_n) + 0x0050)
144 #define FM10K_SWPRI_MAX		16
145 #define FM10K_RSSRK(_n, _m)	(((_n) * 0x10) + (_m) + 0x0800)
146 #define FM10K_RSSRK_SIZE	10
147 #define FM10K_RSSRK_ENTRIES_PER_REG		4
148 #define FM10K_RETA(_n, _m)	(((_n) * 0x20) + (_m) + 0x1000)
149 #define FM10K_RETA_SIZE		32
150 #define FM10K_RETA_ENTRIES_PER_REG		4
151 #define FM10K_MAX_RSS_INDICES	128
152 
153 /* Rate limiting registers */
154 #define FM10K_TC_CREDIT(_n)	((_n) + 0x2000)
155 #define FM10K_TC_CREDIT_CREDIT_MASK		0x001FFFFF
156 #define FM10K_TC_MAXCREDIT(_n)	((_n) + 0x2040)
157 #define FM10K_TC_MAXCREDIT_64K			0x00010000
158 #define FM10K_TC_RATE(_n)	((_n) + 0x2080)
159 #define FM10K_TC_RATE_QUANTA_MASK		0x0000FFFF
160 #define FM10K_TC_RATE_INTERVAL_4US_GEN1		0x00020000
161 #define FM10K_TC_RATE_INTERVAL_4US_GEN2		0x00040000
162 #define FM10K_TC_RATE_INTERVAL_4US_GEN3		0x00080000
163 
164 /* DMA control registers */
165 #define FM10K_DMA_CTRL		0x20C3
166 #define FM10K_DMA_CTRL_TX_ENABLE		0x00000001
167 #define FM10K_DMA_CTRL_TX_ACTIVE		0x00000008
168 #define FM10K_DMA_CTRL_RX_ENABLE		0x00000010
169 #define FM10K_DMA_CTRL_RX_ACTIVE		0x00000080
170 #define FM10K_DMA_CTRL_RX_DESC_SIZE		0x00000100
171 #define FM10K_DMA_CTRL_MINMSS_64		0x00008000
172 #define FM10K_DMA_CTRL_MAX_HOLD_1US_GEN3	0x04800000
173 #define FM10K_DMA_CTRL_MAX_HOLD_1US_GEN2	0x04000000
174 #define FM10K_DMA_CTRL_MAX_HOLD_1US_GEN1	0x03800000
175 #define FM10K_DMA_CTRL_DATAPATH_RESET		0x20000000
176 #define FM10K_DMA_CTRL_32_DESC			0x00000000
177 
178 #define FM10K_DMA_CTRL2		0x20C4
179 #define FM10K_DMA_CTRL2_SWITCH_READY		0x00002000
180 
181 /* TSO flags configuration
182  * First packet contains all flags except for fin and psh
183  * Middle packet contains only urg and ack
184  * Last packet contains urg, ack, fin, and psh
185  */
186 #define FM10K_TSO_FLAGS_LOW		0x00300FF6
187 #define FM10K_TSO_FLAGS_HI		0x00000039
188 #define FM10K_DTXTCPFLGL	0x20C5
189 #define FM10K_DTXTCPFLGH	0x20C6
190 
191 #define FM10K_TPH_CTRL		0x20C7
192 #define FM10K_MRQC(_n)		((_n) + 0x2100)
193 #define FM10K_MRQC_TCP_IPV4			0x00000001
194 #define FM10K_MRQC_IPV4				0x00000002
195 #define FM10K_MRQC_IPV6				0x00000010
196 #define FM10K_MRQC_TCP_IPV6			0x00000020
197 #define FM10K_MRQC_UDP_IPV4			0x00000040
198 #define FM10K_MRQC_UDP_IPV6			0x00000080
199 
200 #define FM10K_TQMAP(_n)		((_n) + 0x2800)
201 #define FM10K_TQMAP_TABLE_SIZE			2048
202 #define FM10K_RQMAP(_n)		((_n) + 0x3000)
203 
204 /* Hardware Statistics */
205 #define FM10K_STATS_TIMEOUT		0x3800
206 #define FM10K_STATS_UR			0x3801
207 #define FM10K_STATS_CA			0x3802
208 #define FM10K_STATS_UM			0x3803
209 #define FM10K_STATS_XEC			0x3804
210 #define FM10K_STATS_VLAN_DROP		0x3805
211 #define FM10K_STATS_LOOPBACK_DROP	0x3806
212 #define FM10K_STATS_NODESC_DROP		0x3807
213 
214 /* PCIe state registers */
215 #define FM10K_PHYADDR		0x381C
216 
217 /* Rx ring registers */
218 #define FM10K_RDBAL(_n)		((0x40 * (_n)) + 0x4000)
219 #define FM10K_RDBAH(_n)		((0x40 * (_n)) + 0x4001)
220 #define FM10K_RDLEN(_n)		((0x40 * (_n)) + 0x4002)
221 #define FM10K_TPH_RXCTRL(_n)	((0x40 * (_n)) + 0x4003)
222 #define FM10K_TPH_RXCTRL_DESC_TPHEN		0x00000020
223 #define FM10K_TPH_RXCTRL_DESC_RROEN		0x00000200
224 #define FM10K_TPH_RXCTRL_DATA_WROEN		0x00002000
225 #define FM10K_TPH_RXCTRL_HDR_WROEN		0x00008000
226 #define FM10K_RDH(_n)		((0x40 * (_n)) + 0x4004)
227 #define FM10K_RDT(_n)		((0x40 * (_n)) + 0x4005)
228 #define FM10K_RXQCTL(_n)	((0x40 * (_n)) + 0x4006)
229 #define FM10K_RXQCTL_ENABLE			0x00000001
230 #define FM10K_RXQCTL_PF				0x000000FC
231 #define FM10K_RXQCTL_VF_SHIFT			2
232 #define FM10K_RXQCTL_VF				0x00000100
233 #define FM10K_RXQCTL_ID_MASK	(FM10K_RXQCTL_PF | FM10K_RXQCTL_VF)
234 #define FM10K_RXDCTL(_n)	((0x40 * (_n)) + 0x4007)
235 #define FM10K_RXDCTL_WRITE_BACK_MIN_DELAY	0x00000001
236 #define FM10K_RXDCTL_DROP_ON_EMPTY		0x00000200
237 #define FM10K_RXINT(_n)		((0x40 * (_n)) + 0x4008)
238 #define FM10K_SRRCTL(_n)	((0x40 * (_n)) + 0x4009)
239 #define FM10K_SRRCTL_BSIZEPKT_SHIFT		8 /* shift _right_ */
240 #define FM10K_SRRCTL_LOOPBACK_SUPPRESS		0x40000000
241 #define FM10K_SRRCTL_BUFFER_CHAINING_EN		0x80000000
242 
243 /* Rx Statistics */
244 #define FM10K_QPRC(_n)		((0x40 * (_n)) + 0x400A)
245 #define FM10K_QPRDC(_n)		((0x40 * (_n)) + 0x400B)
246 #define FM10K_QBRC_L(_n)	((0x40 * (_n)) + 0x400C)
247 #define FM10K_QBRC_H(_n)	((0x40 * (_n)) + 0x400D)
248 
249 /* Rx GLORT register */
250 #define FM10K_RX_SGLORT(_n)		((0x40 * (_n)) + 0x400E)
251 
252 /* Tx ring registers */
253 #define FM10K_TDBAL(_n)		((0x40 * (_n)) + 0x8000)
254 #define FM10K_TDBAH(_n)		((0x40 * (_n)) + 0x8001)
255 #define FM10K_TDLEN(_n)		((0x40 * (_n)) + 0x8002)
256 /* When fist initialized, VFs need to know the Interrupt Throttle Rate (ITR)
257  * scale which is based on the PCIe speed but the speed information in the PCI
258  * configuration space may not be accurate. The PF already knows the ITR scale
259  * but there is no defined method to pass that information from the PF to the
260  * VF. This is accomplished during VF initialization by temporarily co-opting
261  * the yet-to-be-used TDLEN register to have the PF store the ITR shift for
262  * the VF to retrieve before the VF needs to use the TDLEN register for its
263  * intended purpose, i.e. before the Tx resources are allocated.
264  */
265 #define FM10K_TDLEN_ITR_SCALE_SHIFT		9
266 #define FM10K_TDLEN_ITR_SCALE_MASK		0x00000E00
267 #define FM10K_TDLEN_ITR_SCALE_GEN1		2
268 #define FM10K_TDLEN_ITR_SCALE_GEN2		1
269 #define FM10K_TDLEN_ITR_SCALE_GEN3		0
270 #define FM10K_TPH_TXCTRL(_n)	((0x40 * (_n)) + 0x8003)
271 #define FM10K_TPH_TXCTRL_DESC_TPHEN		0x00000020
272 #define FM10K_TPH_TXCTRL_DESC_RROEN		0x00000200
273 #define FM10K_TPH_TXCTRL_DESC_WROEN		0x00000800
274 #define FM10K_TPH_TXCTRL_DATA_RROEN		0x00002000
275 #define FM10K_TDH(_n)		((0x40 * (_n)) + 0x8004)
276 #define FM10K_TDT(_n)		((0x40 * (_n)) + 0x8005)
277 #define FM10K_TXDCTL(_n)	((0x40 * (_n)) + 0x8006)
278 #define FM10K_TXDCTL_ENABLE			0x00004000
279 #define FM10K_TXDCTL_MAX_TIME_SHIFT		16
280 #define FM10K_TXQCTL(_n)	((0x40 * (_n)) + 0x8007)
281 #define FM10K_TXQCTL_PF				0x0000003F
282 #define FM10K_TXQCTL_VF				0x00000040
283 #define FM10K_TXQCTL_ID_MASK	(FM10K_TXQCTL_PF | FM10K_TXQCTL_VF)
284 #define FM10K_TXQCTL_PC_SHIFT			7
285 #define FM10K_TXQCTL_PC_MASK			0x00000380
286 #define FM10K_TXQCTL_TC_SHIFT			10
287 #define FM10K_TXQCTL_VID_SHIFT			16
288 #define FM10K_TXQCTL_VID_MASK			0x0FFF0000
289 #define FM10K_TXQCTL_UNLIMITED_BW		0x10000000
290 #define FM10K_TXINT(_n)		((0x40 * (_n)) + 0x8008)
291 
292 /* Tx Statistics */
293 #define FM10K_QPTC(_n)		((0x40 * (_n)) + 0x8009)
294 #define FM10K_QBTC_L(_n)	((0x40 * (_n)) + 0x800A)
295 #define FM10K_QBTC_H(_n)	((0x40 * (_n)) + 0x800B)
296 
297 /* Tx Push registers */
298 #define FM10K_TQDLOC(_n)	((0x40 * (_n)) + 0x800C)
299 #define FM10K_TQDLOC_BASE_32_DESC		0x08
300 #define FM10K_TQDLOC_SIZE_32_DESC		0x00050000
301 
302 /* Tx GLORT registers */
303 #define FM10K_TX_SGLORT(_n)	((0x40 * (_n)) + 0x800D)
304 #define FM10K_PFVTCTL(_n)	((0x40 * (_n)) + 0x800E)
305 #define FM10K_PFVTCTL_FTAG_DESC_ENABLE		0x00000001
306 
307 /* Interrupt moderation and control registers */
308 #define FM10K_INT_MAP(_n)	((_n) + 0x10080)
309 #define FM10K_INT_MAP_TIMER0			0x00000000
310 #define FM10K_INT_MAP_TIMER1			0x00000100
311 #define FM10K_INT_MAP_IMMEDIATE			0x00000200
312 #define FM10K_INT_MAP_DISABLE			0x00000300
313 #define FM10K_MSIX_VECTOR_MASK(_n)	((0x4 * (_n)) + 0x11003)
314 #define FM10K_INT_CTRL		0x12000
315 #define FM10K_INT_CTRL_ENABLEMODERATOR		0x00000400
316 #define FM10K_ITR(_n)		((_n) + 0x12400)
317 #define FM10K_ITR_INTERVAL1_SHIFT		12
318 #define FM10K_ITR_PENDING2			0x10000000
319 #define FM10K_ITR_AUTOMASK			0x20000000
320 #define FM10K_ITR_MASK_SET			0x40000000
321 #define FM10K_ITR_MASK_CLEAR			0x80000000
322 #define FM10K_ITR2(_n)		((0x2 * (_n)) + 0x12800)
323 #define FM10K_ITR_REG_COUNT			768
324 #define FM10K_ITR_REG_COUNT_PF			256
325 
326 /* Switch manager interrupt registers */
327 #define FM10K_IP		0x13000
328 #define FM10K_IP_NOTINRESET			0x00000100
329 
330 /* VLAN registers */
331 #define FM10K_VLAN_TABLE(_n, _m)	((0x80 * (_n)) + (_m) + 0x14000)
332 #define FM10K_VLAN_TABLE_SIZE			128
333 
334 /* VLAN specific message offsets */
335 #define FM10K_VLAN_TABLE_VID_MAX		4096
336 #define FM10K_VLAN_TABLE_VSI_MAX		64
337 #define FM10K_VLAN_LENGTH_SHIFT			16
338 #define FM10K_VLAN_CLEAR			BIT(15)
339 #define FM10K_VLAN_OVERRIDE			FM10K_VLAN_CLEAR
340 #define FM10K_VLAN_ALL \
341 	((FM10K_VLAN_TABLE_VID_MAX - 1) << FM10K_VLAN_LENGTH_SHIFT)
342 
343 /* VF FLR event notification registers */
344 #define FM10K_PFVFLRE(_n)	((0x1 * (_n)) + 0x18844)
345 #define FM10K_PFVFLREC(_n)	((0x1 * (_n)) + 0x18846)
346 
347 /* Defines for size of uncacheable memories */
348 #define FM10K_UC_ADDR_START	0x000000	/* start of standard regs */
349 #define FM10K_UC_ADDR_END	0x100000	/* end of standard regs */
350 #define FM10K_UC_ADDR_SIZE	(FM10K_UC_ADDR_END - FM10K_UC_ADDR_START)
351 
352 /* Define timeouts for resets and disables */
353 #define FM10K_QUEUE_DISABLE_TIMEOUT		100
354 #define FM10K_RESET_TIMEOUT			150
355 
356 /* Maximum supported combined inner and outer header length for encapsulation */
357 #define FM10K_TUNNEL_HEADER_LENGTH	184
358 
359 /* VF registers */
360 #define FM10K_VFCTRL		0x00000
361 #define FM10K_VFCTRL_RST			0x00000008
362 #define FM10K_VFINT_MAP		0x00030
363 #define FM10K_VFSYSTIME		0x00040
364 #define FM10K_VFITR(_n)		((_n) + 0x00060)
365 
366 enum fm10k_int_source {
367 	fm10k_int_mailbox		= 0,
368 	fm10k_int_pcie_fault		= 1,
369 	fm10k_int_switch_up_down	= 2,
370 	fm10k_int_switch_event		= 3,
371 	fm10k_int_sram			= 4,
372 	fm10k_int_vflr			= 5,
373 	fm10k_int_max_hold_time		= 6,
374 	fm10k_int_sources_max_pf
375 };
376 
377 /* PCIe bus speeds */
378 enum fm10k_bus_speed {
379 	fm10k_bus_speed_unknown	= 0,
380 	fm10k_bus_speed_2500	= 2500,
381 	fm10k_bus_speed_5000	= 5000,
382 	fm10k_bus_speed_8000	= 8000,
383 	fm10k_bus_speed_reserved
384 };
385 
386 /* PCIe bus widths */
387 enum fm10k_bus_width {
388 	fm10k_bus_width_unknown	= 0,
389 	fm10k_bus_width_pcie_x1	= 1,
390 	fm10k_bus_width_pcie_x2	= 2,
391 	fm10k_bus_width_pcie_x4	= 4,
392 	fm10k_bus_width_pcie_x8	= 8,
393 	fm10k_bus_width_reserved
394 };
395 
396 /* PCIe payload sizes */
397 enum fm10k_bus_payload {
398 	fm10k_bus_payload_unknown = 0,
399 	fm10k_bus_payload_128	  = 1,
400 	fm10k_bus_payload_256	  = 2,
401 	fm10k_bus_payload_512	  = 3,
402 	fm10k_bus_payload_reserved
403 };
404 
405 /* Bus parameters */
406 struct fm10k_bus_info {
407 	enum fm10k_bus_speed speed;
408 	enum fm10k_bus_width width;
409 	enum fm10k_bus_payload payload;
410 };
411 
412 /* Statistics related declarations */
413 struct fm10k_hw_stat {
414 	u64 count;
415 	u32 base_l;
416 	u32 base_h;
417 };
418 
419 struct fm10k_hw_stats_q {
420 	struct fm10k_hw_stat tx_bytes;
421 	struct fm10k_hw_stat tx_packets;
422 #define tx_stats_idx	tx_packets.base_h
423 	struct fm10k_hw_stat rx_bytes;
424 	struct fm10k_hw_stat rx_packets;
425 #define rx_stats_idx	rx_packets.base_h
426 	struct fm10k_hw_stat rx_drops;
427 };
428 
429 struct fm10k_hw_stats {
430 	struct fm10k_hw_stat	timeout;
431 #define stats_idx	timeout.base_h
432 	struct fm10k_hw_stat	ur;
433 	struct fm10k_hw_stat	ca;
434 	struct fm10k_hw_stat	um;
435 	struct fm10k_hw_stat	xec;
436 	struct fm10k_hw_stat	vlan_drop;
437 	struct fm10k_hw_stat	loopback_drop;
438 	struct fm10k_hw_stat	nodesc_drop;
439 	struct fm10k_hw_stats_q q[FM10K_MAX_QUEUES_PF];
440 };
441 
442 /* Establish DGLORT feature priority */
443 enum fm10k_dglortdec_idx {
444 	fm10k_dglort_default	= 0,
445 	fm10k_dglort_vf_rsvd0	= 1,
446 	fm10k_dglort_vf_rss	= 2,
447 	fm10k_dglort_pf_rsvd0	= 3,
448 	fm10k_dglort_pf_queue	= 4,
449 	fm10k_dglort_pf_vsi	= 5,
450 	fm10k_dglort_pf_rsvd1	= 6,
451 	fm10k_dglort_pf_rss	= 7
452 };
453 
454 struct fm10k_dglort_cfg {
455 	u16 glort;	/* GLORT base */
456 	u16 queue_b;	/* Base value for queue */
457 	u8  vsi_b;	/* Base value for VSI */
458 	u8  idx;	/* index of DGLORTDEC entry */
459 	u8  rss_l;	/* RSS indices */
460 	u8  pc_l;	/* Priority Class indices */
461 	u8  vsi_l;	/* Number of bits from GLORT used to determine VSI */
462 	u8  queue_l;	/* Number of bits from GLORT used to determine queue */
463 	u8  shared_l;	/* Ignored bits from GLORT resulting in shared VSI */
464 	u8  inner_rss;	/* Boolean value if inner header is used for RSS */
465 };
466 
467 enum fm10k_pca_fault {
468 	PCA_NO_FAULT,
469 	PCA_UNMAPPED_ADDR,
470 	PCA_BAD_QACCESS_PF,
471 	PCA_BAD_QACCESS_VF,
472 	PCA_MALICIOUS_REQ,
473 	PCA_POISONED_TLP,
474 	PCA_TLP_ABORT,
475 	__PCA_MAX
476 };
477 
478 enum fm10k_thi_fault {
479 	THI_NO_FAULT,
480 	THI_MAL_DIS_Q_FAULT,
481 	__THI_MAX
482 };
483 
484 enum fm10k_fum_fault {
485 	FUM_NO_FAULT,
486 	FUM_UNMAPPED_ADDR,
487 	FUM_POISONED_TLP,
488 	FUM_BAD_VF_QACCESS,
489 	FUM_ADD_DECODE_ERR,
490 	FUM_RO_ERROR,
491 	FUM_QPRC_CRC_ERROR,
492 	FUM_CSR_TIMEOUT,
493 	FUM_INVALID_TYPE,
494 	FUM_INVALID_LENGTH,
495 	FUM_INVALID_BE,
496 	FUM_INVALID_ALIGN,
497 	__FUM_MAX
498 };
499 
500 struct fm10k_fault {
501 	u64 address;	/* Address at the time fault was detected */
502 	u32 specinfo;	/* Extra info on this fault (fault dependent) */
503 	u8 type;	/* Fault value dependent on subunit */
504 	u8 func;	/* Function number of the fault */
505 };
506 
507 struct fm10k_mac_ops {
508 	/* basic bring-up and tear-down */
509 	s32 (*reset_hw)(struct fm10k_hw *);
510 	s32 (*init_hw)(struct fm10k_hw *);
511 	s32 (*start_hw)(struct fm10k_hw *);
512 	s32 (*stop_hw)(struct fm10k_hw *);
513 	s32 (*get_bus_info)(struct fm10k_hw *);
514 	s32 (*get_host_state)(struct fm10k_hw *, bool *);
515 	s32 (*request_lport_map)(struct fm10k_hw *);
516 	s32 (*update_vlan)(struct fm10k_hw *, u32, u8, bool);
517 	s32 (*read_mac_addr)(struct fm10k_hw *);
518 	s32 (*update_uc_addr)(struct fm10k_hw *, u16, const u8 *,
519 			      u16, bool, u8);
520 	s32 (*update_mc_addr)(struct fm10k_hw *, u16, const u8 *, u16, bool);
521 	s32 (*update_xcast_mode)(struct fm10k_hw *, u16, u8);
522 	void (*update_int_moderator)(struct fm10k_hw *);
523 	s32  (*update_lport_state)(struct fm10k_hw *, u16, u16, bool);
524 	void (*update_hw_stats)(struct fm10k_hw *, struct fm10k_hw_stats *);
525 	void (*rebind_hw_stats)(struct fm10k_hw *, struct fm10k_hw_stats *);
526 	s32 (*configure_dglort_map)(struct fm10k_hw *,
527 				    struct fm10k_dglort_cfg *);
528 	void (*set_dma_mask)(struct fm10k_hw *, u64);
529 	s32 (*get_fault)(struct fm10k_hw *, int, struct fm10k_fault *);
530 };
531 
532 enum fm10k_mac_type {
533 	fm10k_mac_unknown = 0,
534 	fm10k_mac_pf,
535 	fm10k_mac_vf,
536 	fm10k_num_macs
537 };
538 
539 struct fm10k_mac_info {
540 	struct fm10k_mac_ops ops;
541 	enum fm10k_mac_type type;
542 	u8 addr[ETH_ALEN];
543 	u8 perm_addr[ETH_ALEN];
544 	u16 default_vid;
545 	u16 max_msix_vectors;
546 	u16 max_queues;
547 	bool vlan_override;
548 	bool get_host_state;
549 	bool tx_ready;
550 	u32 dglort_map;
551 	u8 itr_scale;
552 	u64 reset_while_pending;
553 };
554 
555 struct fm10k_swapi_table_info {
556 	u32 used;
557 	u32 avail;
558 };
559 
560 struct fm10k_swapi_info {
561 	u32 status;
562 	struct fm10k_swapi_table_info mac;
563 	struct fm10k_swapi_table_info nexthop;
564 	struct fm10k_swapi_table_info ffu;
565 };
566 
567 enum fm10k_xcast_modes {
568 	FM10K_XCAST_MODE_ALLMULTI	= 0,
569 	FM10K_XCAST_MODE_MULTI		= 1,
570 	FM10K_XCAST_MODE_PROMISC	= 2,
571 	FM10K_XCAST_MODE_NONE		= 3,
572 	FM10K_XCAST_MODE_DISABLE	= 4
573 };
574 
575 #define FM10K_VF_TC_MAX		100000	/* 100,000 Mb/s aka 100Gb/s */
576 #define FM10K_VF_TC_MIN		1	/* 1 Mb/s is the slowest rate */
577 
578 struct fm10k_vf_info {
579 	/* mbx must be first field in struct unless all default IOV message
580 	 * handlers are redone as the assumption is that vf_info starts
581 	 * at the same offset as the mailbox
582 	 */
583 	struct fm10k_mbx_info	mbx;		/* PF side of VF mailbox */
584 	int			rate;		/* Tx BW cap as defined by OS */
585 	u16			glort;		/* resource tag for this VF */
586 	u16			sw_vid;		/* Switch API assigned VLAN */
587 	u16			pf_vid;		/* PF assigned Default VLAN */
588 	u8			mac[ETH_ALEN];	/* PF Default MAC address */
589 	u8			vsi;		/* VSI identifier */
590 	u8			vf_idx;		/* which VF this is */
591 	u8			vf_flags;	/* flags indicating what modes
592 						 * are supported for the port
593 						 */
594 };
595 
596 #define FM10K_VF_FLAG_ALLMULTI_CAPABLE	(u8)(BIT(FM10K_XCAST_MODE_ALLMULTI))
597 #define FM10K_VF_FLAG_MULTI_CAPABLE	(u8)(BIT(FM10K_XCAST_MODE_MULTI))
598 #define FM10K_VF_FLAG_PROMISC_CAPABLE	(u8)(BIT(FM10K_XCAST_MODE_PROMISC))
599 #define FM10K_VF_FLAG_NONE_CAPABLE	(u8)(BIT(FM10K_XCAST_MODE_NONE))
600 #define FM10K_VF_FLAG_CAPABLE(vf_info)	((vf_info)->vf_flags & (u8)0xF)
601 #define FM10K_VF_FLAG_ENABLED(vf_info)	((vf_info)->vf_flags >> 4)
602 #define FM10K_VF_FLAG_SET_MODE(mode)	((u8)0x10 << (mode))
603 #define FM10K_VF_FLAG_SET_MODE_NONE \
604 	FM10K_VF_FLAG_SET_MODE(FM10K_XCAST_MODE_NONE)
605 #define FM10K_VF_FLAG_MULTI_ENABLED \
606 	(FM10K_VF_FLAG_SET_MODE(FM10K_XCAST_MODE_ALLMULTI) | \
607 	 FM10K_VF_FLAG_SET_MODE(FM10K_XCAST_MODE_MULTI) | \
608 	 FM10K_VF_FLAG_SET_MODE(FM10K_XCAST_MODE_PROMISC))
609 
610 struct fm10k_iov_ops {
611 	/* IOV related bring-up and tear-down */
612 	s32 (*assign_resources)(struct fm10k_hw *, u16, u16);
613 	s32 (*configure_tc)(struct fm10k_hw *, u16, int);
614 	s32 (*assign_int_moderator)(struct fm10k_hw *, u16);
615 	s32 (*assign_default_mac_vlan)(struct fm10k_hw *,
616 				       struct fm10k_vf_info *);
617 	s32 (*reset_resources)(struct fm10k_hw *,
618 			       struct fm10k_vf_info *);
619 	s32 (*set_lport)(struct fm10k_hw *, struct fm10k_vf_info *, u16, u8);
620 	void (*reset_lport)(struct fm10k_hw *, struct fm10k_vf_info *);
621 	void (*update_stats)(struct fm10k_hw *, struct fm10k_hw_stats_q *, u16);
622 };
623 
624 struct fm10k_iov_info {
625 	struct fm10k_iov_ops ops;
626 	u16 total_vfs;
627 	u16 num_vfs;
628 	u16 num_pools;
629 };
630 
631 enum fm10k_devices {
632 	fm10k_device_pf,
633 	fm10k_device_vf,
634 };
635 
636 struct fm10k_info {
637 	enum fm10k_mac_type		mac;
638 	s32				(*get_invariants)(struct fm10k_hw *);
639 	const struct fm10k_mac_ops	*mac_ops;
640 	const struct fm10k_iov_ops	*iov_ops;
641 };
642 
643 struct fm10k_hw {
644 	u32 __iomem *hw_addr;
645 	void *back;
646 	struct fm10k_mac_info mac;
647 	struct fm10k_bus_info bus;
648 	struct fm10k_bus_info bus_caps;
649 	struct fm10k_iov_info iov;
650 	struct fm10k_mbx_info mbx;
651 	struct fm10k_swapi_info swapi;
652 	u16 device_id;
653 	u16 vendor_id;
654 	u16 subsystem_device_id;
655 	u16 subsystem_vendor_id;
656 	u8 revision_id;
657 };
658 
659 /* Number of Transmit and Receive Descriptors must be a multiple of 8 */
660 #define FM10K_REQ_TX_DESCRIPTOR_MULTIPLE	8
661 #define FM10K_REQ_RX_DESCRIPTOR_MULTIPLE	8
662 
663 /* Transmit Descriptor */
664 struct fm10k_tx_desc {
665 	__le64 buffer_addr;	/* Address of the descriptor's data buffer */
666 	__le16 buflen;		/* Length of data to be DMAed */
667 	__le16 vlan;		/* VLAN_ID and VPRI to be inserted in FTAG */
668 	__le16 mss;		/* MSS for segmentation offload */
669 	u8 hdrlen;		/* Header size for segmentation offload */
670 	u8 flags;		/* Status and offload request flags */
671 };
672 
673 /* Transmit Descriptor Cache Structure */
674 struct fm10k_tx_desc_cache {
675 	struct fm10k_tx_desc tx_desc[256];
676 };
677 
678 #define FM10K_TXD_FLAG_INT	0x01
679 #define FM10K_TXD_FLAG_TIME	0x02
680 #define FM10K_TXD_FLAG_CSUM	0x04
681 #define FM10K_TXD_FLAG_FTAG	0x10
682 #define FM10K_TXD_FLAG_RS	0x20
683 #define FM10K_TXD_FLAG_LAST	0x40
684 #define FM10K_TXD_FLAG_DONE	0x80
685 
686 /* These macros are meant to enable optimal placement of the RS and INT
687  * bits.  It will point us to the last descriptor in the cache for either the
688  * start of the packet, or the end of the packet.  If the index is actually
689  * at the start of the FIFO it will point to the offset for the last index
690  * in the FIFO to prevent an unnecessary write.
691  */
692 #define FM10K_TXD_WB_FIFO_SIZE	4
693 
694 /* Receive Descriptor - 32B */
695 union fm10k_rx_desc {
696 	struct {
697 		__le64 pkt_addr; /* Packet buffer address */
698 		__le64 hdr_addr; /* Header buffer address */
699 		__le64 reserved; /* Empty space, RSS hash */
700 		__le64 timestamp;
701 	} q; /* Read, Writeback, 64b quad-words */
702 	struct {
703 		__le32 data; /* RSS and header data */
704 		__le32 rss;  /* RSS Hash */
705 		__le32 staterr;
706 		__le32 vlan_len;
707 		__le32 glort; /* sglort/dglort */
708 	} d; /* Writeback, 32b double-words */
709 	struct {
710 		__le16 pkt_info; /* RSS, Pkt type */
711 		__le16 hdr_info; /* Splithdr, hdrlen, xC */
712 		__le16 rss_lower;
713 		__le16 rss_upper;
714 		__le16 status; /* status/error */
715 		__le16 csum_err; /* checksum or extended error value */
716 		__le16 length; /* Packet length */
717 		__le16 vlan; /* VLAN tag */
718 		__le16 dglort;
719 		__le16 sglort;
720 	} w; /* Writeback, 16b words */
721 };
722 
723 #define FM10K_RXD_RSSTYPE_MASK		0x000F
724 enum fm10k_rdesc_rss_type {
725 	FM10K_RSSTYPE_NONE	= 0x0,
726 	FM10K_RSSTYPE_IPV4_TCP	= 0x1,
727 	FM10K_RSSTYPE_IPV4	= 0x2,
728 	FM10K_RSSTYPE_IPV6_TCP	= 0x3,
729 	/* Reserved 0x4 */
730 	FM10K_RSSTYPE_IPV6	= 0x5,
731 	/* Reserved 0x6 */
732 	FM10K_RSSTYPE_IPV4_UDP	= 0x7,
733 	FM10K_RSSTYPE_IPV6_UDP	= 0x8
734 	/* Reserved 0x9 - 0xF */
735 };
736 
737 #define FM10K_RXD_HDR_INFO_XC_MASK	0x0006
738 enum fm10k_rxdesc_xc {
739 	FM10K_XC_UNICAST	= 0x0,
740 	FM10K_XC_MULTICAST	= 0x4,
741 	FM10K_XC_BROADCAST	= 0x6
742 };
743 
744 #define FM10K_RXD_STATUS_DD		0x0001 /* Descriptor done */
745 #define FM10K_RXD_STATUS_EOP		0x0002 /* End of packet */
746 #define FM10K_RXD_STATUS_L4CS		0x0010 /* Indicates an L4 csum */
747 #define FM10K_RXD_STATUS_L4CS2		0x0040 /* Inner header L4 csum */
748 #define FM10K_RXD_STATUS_L4E2		0x0800 /* Inner header L4 csum err */
749 #define FM10K_RXD_STATUS_IPE2		0x1000 /* Inner header IPv4 csum err */
750 #define FM10K_RXD_STATUS_RXE		0x2000 /* Generic Rx error */
751 #define FM10K_RXD_STATUS_L4E		0x4000 /* L4 csum error */
752 #define FM10K_RXD_STATUS_IPE		0x8000 /* IPv4 csum error */
753 
754 #define FM10K_RXD_ERR_SWITCH_ERROR	0x0001 /* Switch found bad packet */
755 #define FM10K_RXD_ERR_NO_DESCRIPTOR	0x0002 /* No descriptor available */
756 #define FM10K_RXD_ERR_PP_ERROR		0x0004 /* RAM error during processing */
757 #define FM10K_RXD_ERR_SWITCH_READY	0x0008 /* Link transition mid-packet */
758 #define FM10K_RXD_ERR_TOO_BIG		0x0010 /* Pkt too big for single buf */
759 
760 struct fm10k_ftag {
761 	__be16 swpri_type_user;
762 	__be16 vlan;
763 	__be16 sglort;
764 	__be16 dglort;
765 };
766 
767 #endif /* _FM10K_TYPE_H */
768