uapi/linux/isst_if.h

1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
16  * struct isst_if_platform_info - Define platform information
25  * @mmio_supported:	Support of mmio interface for core-power feature
40  * struct isst_if_cpu_map - CPU mapping between logical and physical CPU
41  * @logical_cpu:	Linux logical CPU number
42  * @physical_cpu:	PUNIT CPU number
44  * Used to convert from Linux logical CPU to PUNIT CPU numbering scheme.
45  * The PUNIT CPU number is different than APIC ID based CPU numbering.
53  * struct isst_if_cpu_maps - structure for CPU map IOCTL
54  * @cmd_count:	Number of CPU mapping command in cpu_map[]
55  * @cpu_map[]:	Holds one or more CPU map data structure
58  * one or more CPU mapping commands. Here IOCTL return value indicates
67  * struct isst_if_io_reg - Read write PUNIT IO register
68  * @read_write:		Value 0: Read, 1: Write
69  * @logical_cpu:	Logical CPU number to get target PCI device.
72  *			read placeholder read value
74  * Structure to specify read/write data to PUNIT registers.
77 	__u32 read_write; /* Read:0, Write:1 */
84  * struct isst_if_io_regs - structure for IO register commands
89  * one or more read/write commands to PUNIT. Here IOCTL return value
99  * struct isst_if_mbox_cmd - Structure to define mail box command
100  * @logical_cpu:	Logical CPU number to get target PCI device
121  * struct isst_if_mbox_cmds - structure for mailbox commands
136  * struct isst_if_msr_cmd - Structure to define msr command
137  * @read_write:		Value 0: Read, 1: Write
138  * @logical_cpu:	Logical CPU number
140  * @data:		For write operation, data to write, for read
146 	__u32 read_write; /* Read:0, Write:1 */
153  * struct isst_if_msr_cmds - structure for msr commands
167  * struct isst_core_power - Structure to get/set core_power feature
187  * struct isst_clos_param - Structure to get/set clos praram
194  * prop_prio:	Proportional priority from 0-15
210  * struct isst_if_clos_assoc - Structure to assign clos to a CPU
213  * @logical_cpu: CPU number
214  * @clos:	Clos ID to assign to the logical CPU
226  * struct isst_if_clos_assoc_cmds - Structure to assign clos to CPUs
229  * @punit_cpu_map: Set to 1 if the CPU number is punit numbering not
230  *		   Linux CPU number
243  * struct isst_tpmi_instance_count - Get number of TPMI instances per socket
258  * struct isst_perf_level_info - Structure to get information on SST-PP levels
261  * @logical_cpu: CPU number
262  * @clos:	Clos ID to assign to the logical CPU
264  * @feature_rev: The feature revision for SST-PP supported by the platform
267  * @feature_state: SST-BF and SST-TF (enabled/disabled) status at current level
268  * @locked: SST-PP performance level change is locked/unlocked
269  * @enabled: SST-PP feature is enabled or not
270  * @sst-tf_support: SST-TF support status at this level
271  * @sst-bf_support: SST-BF support status at this level
273  * Structure to get SST-PP details using IOCTL ISST_IF_PERF_LEVELS.
290  * struct isst_perf_level_control - Structure to set SST-PP level
295  * Structure used change SST-PP level using IOCTL ISST_IF_PERF_SET_LEVEL.
304  * struct isst_perf_feature_control - Structure to activate SST-BF/SST-TF
307  * @feature:	bit 0 = SST-BF state, bit 1 = SST-TF state
309  * Structure used to enable SST-BF/SST-TF using IOCTL ISST_IF_PERF_SET_FEATURE.
321  * struct isst_perf_level_data_info - Structure to get SST-PP level details
324  * @level:	SST-PP level for which caller wants to get information
348  * Structure used to get information on frequencies and TDP for a SST-PP
379  * struct isst_perf_level_cpu_mask - Structure to get SST-PP level CPU mask
382  * @level:	SST-PP level for which caller wants to get information
383  * @punit_cpu_map: Set to 1 if the CPU number is punit numbering not
384  *		   Linux CPU number. If 0 CPU buffer is copied to user space
386  *		   cpu mask is copied to "mask" field.
387  * @mask:	cpu mask for this PP level (punit CPU numbering)
388  * @cpu_buffer_size: size of cpu_buffer also used to return the copied CPU
390  * @cpu_buffer:	Buffer to copy CPU mask when punit_cpu_map is 0
392  * Structure used to get cpumask for a SST-PP level using
393  * IOCTL ISST_IF_GET_PERF_LEVEL_CPU_MASK. Also used to get CPU mask for
394  * IOCTL ISST_IF_GET_BASE_FREQ_CPU_MASK for SST-BF.
407  * struct isst_base_freq_info - Structure to get SST-BF frequencies
410  * @level:	SST-PP level for which caller wants to get information
411  * @high_base_freq_mhz: High priority CPU base frequency
412  * @low_base_freq_mhz: Low priority CPU base frequency
416  * Structure used to get SST-BF information using
430  * struct isst_turbo_freq_info - Structure to get SST-TF frequencies
433  * @level:	SST-PP level for which caller wants to get information
439  * Structure used to get SST-TF information using