master
  1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
  2
  3#ifndef _ASM_X86_AMD_HSMP_H_
  4#define _ASM_X86_AMD_HSMP_H_
  5
  6#include <linux/types.h>
  7
  8#pragma pack(4)
  9
 10#define HSMP_MAX_MSG_LEN 8
 11
 12/*
 13 * HSMP Messages supported
 14 */
 15enum hsmp_message_ids {
 16	HSMP_TEST = 1,			/* 01h Increments input value by 1 */
 17	HSMP_GET_SMU_VER,		/* 02h SMU FW version */
 18	HSMP_GET_PROTO_VER,		/* 03h HSMP interface version */
 19	HSMP_GET_SOCKET_POWER,		/* 04h average package power consumption */
 20	HSMP_SET_SOCKET_POWER_LIMIT,	/* 05h Set the socket power limit */
 21	HSMP_GET_SOCKET_POWER_LIMIT,	/* 06h Get current socket power limit */
 22	HSMP_GET_SOCKET_POWER_LIMIT_MAX,/* 07h Get maximum socket power value */
 23	HSMP_SET_BOOST_LIMIT,		/* 08h Set a core maximum frequency limit */
 24	HSMP_SET_BOOST_LIMIT_SOCKET,	/* 09h Set socket maximum frequency level */
 25	HSMP_GET_BOOST_LIMIT,		/* 0Ah Get current frequency limit */
 26	HSMP_GET_PROC_HOT,		/* 0Bh Get PROCHOT status */
 27	HSMP_SET_XGMI_LINK_WIDTH,	/* 0Ch Set max and min width of xGMI Link */
 28	HSMP_SET_DF_PSTATE,		/* 0Dh Alter APEnable/Disable messages behavior */
 29	HSMP_SET_AUTO_DF_PSTATE,	/* 0Eh Enable DF P-State Performance Boost algorithm */
 30	HSMP_GET_FCLK_MCLK,		/* 0Fh Get FCLK and MEMCLK for current socket */
 31	HSMP_GET_CCLK_THROTTLE_LIMIT,	/* 10h Get CCLK frequency limit in socket */
 32	HSMP_GET_C0_PERCENT,		/* 11h Get average C0 residency in socket */
 33	HSMP_SET_NBIO_DPM_LEVEL,	/* 12h Set max/min LCLK DPM Level for a given NBIO */
 34	HSMP_GET_NBIO_DPM_LEVEL,	/* 13h Get LCLK DPM level min and max for a given NBIO */
 35	HSMP_GET_DDR_BANDWIDTH,		/* 14h Get theoretical maximum and current DDR Bandwidth */
 36	HSMP_GET_TEMP_MONITOR,		/* 15h Get socket temperature */
 37	HSMP_GET_DIMM_TEMP_RANGE,	/* 16h Get per-DIMM temperature range and refresh rate */
 38	HSMP_GET_DIMM_POWER,		/* 17h Get per-DIMM power consumption */
 39	HSMP_GET_DIMM_THERMAL,		/* 18h Get per-DIMM thermal sensors */
 40	HSMP_GET_SOCKET_FREQ_LIMIT,	/* 19h Get current active frequency per socket */
 41	HSMP_GET_CCLK_CORE_LIMIT,	/* 1Ah Get CCLK frequency limit per core */
 42	HSMP_GET_RAILS_SVI,		/* 1Bh Get SVI-based Telemetry for all rails */
 43	HSMP_GET_SOCKET_FMAX_FMIN,	/* 1Ch Get Fmax and Fmin per socket */
 44	HSMP_GET_IOLINK_BANDWITH,	/* 1Dh Get current bandwidth on IO Link */
 45	HSMP_GET_XGMI_BANDWITH,		/* 1Eh Get current bandwidth on xGMI Link */
 46	HSMP_SET_GMI3_WIDTH,		/* 1Fh Set max and min GMI3 Link width */
 47	HSMP_SET_PCI_RATE,		/* 20h Control link rate on PCIe devices */
 48	HSMP_SET_POWER_MODE,		/* 21h Select power efficiency profile policy */
 49	HSMP_SET_PSTATE_MAX_MIN,	/* 22h Set the max and min DF P-State  */
 50	HSMP_GET_METRIC_TABLE_VER,	/* 23h Get metrics table version */
 51	HSMP_GET_METRIC_TABLE,		/* 24h Get metrics table */
 52	HSMP_GET_METRIC_TABLE_DRAM_ADDR,/* 25h Get metrics table dram address */
 53	HSMP_SET_XGMI_PSTATE_RANGE,	/* 26h Set xGMI P-state range */
 54	HSMP_CPU_RAIL_ISO_FREQ_POLICY,	/* 27h Get/Set Cpu Iso frequency policy */
 55	HSMP_DFC_ENABLE_CTRL,		/* 28h Enable/Disable DF C-state */
 56	HSMP_GET_RAPL_UNITS = 0x30,	/* 30h Get scaling factor for energy */
 57	HSMP_GET_RAPL_CORE_COUNTER,	/* 31h Get core energy counter value */
 58	HSMP_GET_RAPL_PACKAGE_COUNTER,	/* 32h Get package energy counter value */
 59	HSMP_MSG_ID_MAX,
 60};
 61
 62struct hsmp_message {
 63	__u32	msg_id;			/* Message ID */
 64	__u16	num_args;		/* Number of input argument words in message */
 65	__u16	response_sz;		/* Number of expected output/response words */
 66	__u32	args[HSMP_MAX_MSG_LEN];	/* argument/response buffer */
 67	__u16	sock_ind;		/* socket number */
 68};
 69
 70enum hsmp_msg_type {
 71	HSMP_RSVD = -1,
 72	HSMP_SET  = 0,
 73	HSMP_GET  = 1,
 74	HSMP_SET_GET	= 2,
 75};
 76
 77enum hsmp_proto_versions {
 78	HSMP_PROTO_VER2	= 2,
 79	HSMP_PROTO_VER3,
 80	HSMP_PROTO_VER4,
 81	HSMP_PROTO_VER5,
 82	HSMP_PROTO_VER6,
 83	HSMP_PROTO_VER7
 84};
 85
 86struct hsmp_msg_desc {
 87	int num_args;
 88	int response_sz;
 89	enum hsmp_msg_type type;
 90};
 91
 92/*
 93 * User may use these comments as reference, please find the
 94 * supported list of messages and message definition in the
 95 * HSMP chapter of respective family/model PPR.
 96 *
 97 * Not supported messages would return -ENOMSG.
 98 */
 99static const struct hsmp_msg_desc hsmp_msg_desc_table[]
100				__attribute__((unused)) = {
101	/* RESERVED */
102	{0, 0, HSMP_RSVD},
103
104	/*
105	 * HSMP_TEST, num_args = 1, response_sz = 1
106	 * input:  args[0] = xx
107	 * output: args[0] = xx + 1
108	 */
109	{1, 1, HSMP_GET},
110
111	/*
112	 * HSMP_GET_SMU_VER, num_args = 0, response_sz = 1
113	 * output: args[0] = smu fw ver
114	 */
115	{0, 1, HSMP_GET},
116
117	/*
118	 * HSMP_GET_PROTO_VER, num_args = 0, response_sz = 1
119	 * output: args[0] = proto version
120	 */
121	{0, 1, HSMP_GET},
122
123	/*
124	 * HSMP_GET_SOCKET_POWER, num_args = 0, response_sz = 1
125	 * output: args[0] = socket power in mWatts
126	 */
127	{0, 1, HSMP_GET},
128
129	/*
130	 * HSMP_SET_SOCKET_POWER_LIMIT, num_args = 1, response_sz = 0
131	 * input: args[0] = power limit value in mWatts
132	 */
133	{1, 0, HSMP_SET},
134
135	/*
136	 * HSMP_GET_SOCKET_POWER_LIMIT, num_args = 0, response_sz = 1
137	 * output: args[0] = socket power limit value in mWatts
138	 */
139	{0, 1, HSMP_GET},
140
141	/*
142	 * HSMP_GET_SOCKET_POWER_LIMIT_MAX, num_args = 0, response_sz = 1
143	 * output: args[0] = maximuam socket power limit in mWatts
144	 */
145	{0, 1, HSMP_GET},
146
147	/*
148	 * HSMP_SET_BOOST_LIMIT, num_args = 1, response_sz = 0
149	 * input: args[0] = apic id[31:16] + boost limit value in MHz[15:0]
150	 */
151	{1, 0, HSMP_SET},
152
153	/*
154	 * HSMP_SET_BOOST_LIMIT_SOCKET, num_args = 1, response_sz = 0
155	 * input: args[0] = boost limit value in MHz
156	 */
157	{1, 0, HSMP_SET},
158
159	/*
160	 * HSMP_GET_BOOST_LIMIT, num_args = 1, response_sz = 1
161	 * input: args[0] = apic id
162	 * output: args[0] = boost limit value in MHz
163	 */
164	{1, 1, HSMP_GET},
165
166	/*
167	 * HSMP_GET_PROC_HOT, num_args = 0, response_sz = 1
168	 * output: args[0] = proc hot status
169	 */
170	{0, 1, HSMP_GET},
171
172	/*
173	 * HSMP_SET_XGMI_LINK_WIDTH, num_args = 1, response_sz = 0
174	 * input: args[0] = min link width[15:8] + max link width[7:0]
175	 */
176	{1, 0, HSMP_SET},
177
178	/*
179	 * HSMP_SET_DF_PSTATE, num_args = 1, response_sz = 0
180	 * input: args[0] = df pstate[7:0]
181	 */
182	{1, 0, HSMP_SET},
183
184	/* HSMP_SET_AUTO_DF_PSTATE, num_args = 0, response_sz = 0 */
185	{0, 0, HSMP_SET},
186
187	/*
188	 * HSMP_GET_FCLK_MCLK, num_args = 0, response_sz = 2
189	 * output: args[0] = fclk in MHz, args[1] = mclk in MHz
190	 */
191	{0, 2, HSMP_GET},
192
193	/*
194	 * HSMP_GET_CCLK_THROTTLE_LIMIT, num_args = 0, response_sz = 1
195	 * output: args[0] = core clock in MHz
196	 */
197	{0, 1, HSMP_GET},
198
199	/*
200	 * HSMP_GET_C0_PERCENT, num_args = 0, response_sz = 1
201	 * output: args[0] = average c0 residency
202	 */
203	{0, 1, HSMP_GET},
204
205	/*
206	 * HSMP_SET_NBIO_DPM_LEVEL, num_args = 1, response_sz = 0
207	 * input: args[0] = nbioid[23:16] + max dpm level[15:8] + min dpm level[7:0]
208	 */
209	{1, 0, HSMP_SET},
210
211	/*
212	 * HSMP_GET_NBIO_DPM_LEVEL, num_args = 1, response_sz = 1
213	 * input: args[0] = nbioid[23:16]
214	 * output: args[0] = max dpm level[15:8] + min dpm level[7:0]
215	 */
216	{1, 1, HSMP_GET},
217
218	/*
219	 * HSMP_GET_DDR_BANDWIDTH, num_args = 0, response_sz = 1
220	 * output: args[0] = max bw in Gbps[31:20] + utilised bw in Gbps[19:8] +
221	 * bw in percentage[7:0]
222	 */
223	{0, 1, HSMP_GET},
224
225	/*
226	 * HSMP_GET_TEMP_MONITOR, num_args = 0, response_sz = 1
227	 * output: args[0] = temperature in degree celsius. [15:8] integer part +
228	 * [7:5] fractional part
229	 */
230	{0, 1, HSMP_GET},
231
232	/*
233	 * HSMP_GET_DIMM_TEMP_RANGE, num_args = 1, response_sz = 1
234	 * input: args[0] = DIMM address[7:0]
235	 * output: args[0] = refresh rate[3] + temperature range[2:0]
236	 */
237	{1, 1, HSMP_GET},
238
239	/*
240	 * HSMP_GET_DIMM_POWER, num_args = 1, response_sz = 1
241	 * input: args[0] = DIMM address[7:0]
242	 * output: args[0] = DIMM power in mW[31:17] + update rate in ms[16:8] +
243	 * DIMM address[7:0]
244	 */
245	{1, 1, HSMP_GET},
246
247	/*
248	 * HSMP_GET_DIMM_THERMAL, num_args = 1, response_sz = 1
249	 * input: args[0] = DIMM address[7:0]
250	 * output: args[0] = temperature in degree celsius[31:21] + update rate in ms[16:8] +
251	 * DIMM address[7:0]
252	 */
253	{1, 1, HSMP_GET},
254
255	/*
256	 * HSMP_GET_SOCKET_FREQ_LIMIT, num_args = 0, response_sz = 1
257	 * output: args[0] = frequency in MHz[31:16] + frequency source[15:0]
258	 */
259	{0, 1, HSMP_GET},
260
261	/*
262	 * HSMP_GET_CCLK_CORE_LIMIT, num_args = 1, response_sz = 1
263	 * input: args[0] = apic id [31:0]
264	 * output: args[0] = frequency in MHz[31:0]
265	 */
266	{1, 1, HSMP_GET},
267
268	/*
269	 * HSMP_GET_RAILS_SVI, num_args = 0, response_sz = 1
270	 * output: args[0] = power in mW[31:0]
271	 */
272	{0, 1, HSMP_GET},
273
274	/*
275	 * HSMP_GET_SOCKET_FMAX_FMIN, num_args = 0, response_sz = 1
276	 * output: args[0] = fmax in MHz[31:16] + fmin in MHz[15:0]
277	 */
278	{0, 1, HSMP_GET},
279
280	/*
281	 * HSMP_GET_IOLINK_BANDWITH, num_args = 1, response_sz = 1
282	 * input: args[0] = link id[15:8] + bw type[2:0]
283	 * output: args[0] = io bandwidth in Mbps[31:0]
284	 */
285	{1, 1, HSMP_GET},
286
287	/*
288	 * HSMP_GET_XGMI_BANDWITH, num_args = 1, response_sz = 1
289	 * input: args[0] = link id[15:8] + bw type[2:0]
290	 * output: args[0] = xgmi bandwidth in Mbps[31:0]
291	 */
292	{1, 1, HSMP_GET},
293
294	/*
295	 * HSMP_SET_GMI3_WIDTH, num_args = 1, response_sz = 0
296	 * input: args[0] = min link width[15:8] + max link width[7:0]
297	 */
298	{1, 0, HSMP_SET},
299
300	/*
301	 * HSMP_SET_PCI_RATE, num_args = 1, response_sz = 1
302	 * input: args[0] = link rate control value
303	 * output: args[0] = previous link rate control value
304	 */
305	{1, 1, HSMP_SET},
306
307	/*
308	 * HSMP_SET_POWER_MODE, num_args = 1, response_sz = 0
309	 * input: args[0] = power efficiency mode[2:0]
310	 */
311	{1, 1, HSMP_SET_GET},
312
313	/*
314	 * HSMP_SET_PSTATE_MAX_MIN, num_args = 1, response_sz = 0
315	 * input: args[0] = min df pstate[15:8] + max df pstate[7:0]
316	 */
317	{1, 0, HSMP_SET},
318
319	/*
320	 * HSMP_GET_METRIC_TABLE_VER, num_args = 0, response_sz = 1
321	 * output: args[0] = metrics table version
322	 */
323	{0, 1, HSMP_GET},
324
325	/*
326	 * HSMP_GET_METRIC_TABLE, num_args = 0, response_sz = 0
327	 */
328	{0, 0, HSMP_GET},
329
330	/*
331	 * HSMP_GET_METRIC_TABLE_DRAM_ADDR, num_args = 0, response_sz = 2
332	 * output: args[0] = lower 32 bits of the address
333	 * output: args[1] = upper 32 bits of the address
334	 */
335	{0, 2, HSMP_GET},
336
337	/*
338	 * HSMP_SET_XGMI_PSTATE_RANGE, num_args = 1, response_sz = 0
339	 * input: args[0] = min xGMI p-state[15:8] + max xGMI p-state[7:0]
340	 */
341	{1, 0, HSMP_SET},
342
343	/*
344	 * HSMP_CPU_RAIL_ISO_FREQ_POLICY, num_args = 1, response_sz = 1
345	 * input: args[0] = set/get policy[31] +
346	 * disable/enable independent control[0]
347	 * output: args[0] = current policy[0]
348	 */
349	{1, 1, HSMP_SET_GET},
350
351	/*
352	 * HSMP_DFC_ENABLE_CTRL, num_args = 1, response_sz = 1
353	 * input: args[0] = set/get policy[31] + enable/disable DFC[0]
354	 * output: args[0] = current policy[0]
355	 */
356	{1, 1, HSMP_SET_GET},
357
358	/* RESERVED(0x29-0x2f) */
359	{0, 0, HSMP_RSVD},
360	{0, 0, HSMP_RSVD},
361	{0, 0, HSMP_RSVD},
362	{0, 0, HSMP_RSVD},
363	{0, 0, HSMP_RSVD},
364	{0, 0, HSMP_RSVD},
365	{0, 0, HSMP_RSVD},
366
367	/*
368	 * HSMP_GET_RAPL_UNITS, response_sz = 1
369	 * output: args[0] = tu value[19:16] + esu value[12:8]
370	 */
371	{0, 1, HSMP_GET},
372
373	/*
374	 * HSMP_GET_RAPL_CORE_COUNTER, num_args = 1, response_sz = 1
375	 * input: args[0] = apic id[15:0]
376	 * output: args[0] = lower 32 bits of energy
377	 * output: args[1] = upper 32 bits of energy
378	 */
379	{1, 2, HSMP_GET},
380
381	/*
382	 * HSMP_GET_RAPL_PACKAGE_COUNTER, num_args = 0, response_sz = 1
383	 * output: args[0] = lower 32 bits of energy
384	 * output: args[1] = upper 32 bits of energy
385	 */
386	{0, 2, HSMP_GET},
387
388};
389
390/* Metrics table (supported only with proto version 6) */
391struct hsmp_metric_table {
392	__u32 accumulation_counter;
393
394	/* TEMPERATURE */
395	__u32 max_socket_temperature;
396	__u32 max_vr_temperature;
397	__u32 max_hbm_temperature;
398	__u64 max_socket_temperature_acc;
399	__u64 max_vr_temperature_acc;
400	__u64 max_hbm_temperature_acc;
401
402	/* POWER */
403	__u32 socket_power_limit;
404	__u32 max_socket_power_limit;
405	__u32 socket_power;
406
407	/* ENERGY */
408	__u64 timestamp;
409	__u64 socket_energy_acc;
410	__u64 ccd_energy_acc;
411	__u64 xcd_energy_acc;
412	__u64 aid_energy_acc;
413	__u64 hbm_energy_acc;
414
415	/* FREQUENCY */
416	__u32 cclk_frequency_limit;
417	__u32 gfxclk_frequency_limit;
418	__u32 fclk_frequency;
419	__u32 uclk_frequency;
420	__u32 socclk_frequency[4];
421	__u32 vclk_frequency[4];
422	__u32 dclk_frequency[4];
423	__u32 lclk_frequency[4];
424	__u64 gfxclk_frequency_acc[8];
425	__u64 cclk_frequency_acc[96];
426
427	/* FREQUENCY RANGE */
428	__u32 max_cclk_frequency;
429	__u32 min_cclk_frequency;
430	__u32 max_gfxclk_frequency;
431	__u32 min_gfxclk_frequency;
432	__u32 fclk_frequency_table[4];
433	__u32 uclk_frequency_table[4];
434	__u32 socclk_frequency_table[4];
435	__u32 vclk_frequency_table[4];
436	__u32 dclk_frequency_table[4];
437	__u32 lclk_frequency_table[4];
438	__u32 max_lclk_dpm_range;
439	__u32 min_lclk_dpm_range;
440
441	/* XGMI */
442	__u32 xgmi_width;
443	__u32 xgmi_bitrate;
444	__u64 xgmi_read_bandwidth_acc[8];
445	__u64 xgmi_write_bandwidth_acc[8];
446
447	/* ACTIVITY */
448	__u32 socket_c0_residency;
449	__u32 socket_gfx_busy;
450	__u32 dram_bandwidth_utilization;
451	__u64 socket_c0_residency_acc;
452	__u64 socket_gfx_busy_acc;
453	__u64 dram_bandwidth_acc;
454	__u32 max_dram_bandwidth;
455	__u64 dram_bandwidth_utilization_acc;
456	__u64 pcie_bandwidth_acc[4];
457
458	/* THROTTLERS */
459	__u32 prochot_residency_acc;
460	__u32 ppt_residency_acc;
461	__u32 socket_thm_residency_acc;
462	__u32 vr_thm_residency_acc;
463	__u32 hbm_thm_residency_acc;
464	__u32 spare;
465
466	/* New items at the end to maintain driver compatibility */
467	__u32 gfxclk_frequency[8];
468};
469
470/* Reset to default packing */
471#pragma pack()
472
473/* Define unique ioctl command for hsmp msgs using generic _IOWR */
474#define HSMP_BASE_IOCTL_NR	0xF8
475#define HSMP_IOCTL_CMD		_IOWR(HSMP_BASE_IOCTL_NR, 0, struct hsmp_message)
476
477#endif /*_ASM_X86_AMD_HSMP_H_*/