308 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			308 lines
		
	
	
		
			8.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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| 
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| #ifndef _UAPI_ASM_X86_AMD_HSMP_H_
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| #define _UAPI_ASM_X86_AMD_HSMP_H_
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| 
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| #include <linux/types.h>
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| 
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| #pragma pack(4)
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| 
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| #define HSMP_MAX_MSG_LEN 8
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| 
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| /*
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|  * HSMP Messages supported
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|  */
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| enum hsmp_message_ids {
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| 	HSMP_TEST = 1,			/* 01h Increments input value by 1 */
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| 	HSMP_GET_SMU_VER,		/* 02h SMU FW version */
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| 	HSMP_GET_PROTO_VER,		/* 03h HSMP interface version */
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| 	HSMP_GET_SOCKET_POWER,		/* 04h average package power consumption */
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| 	HSMP_SET_SOCKET_POWER_LIMIT,	/* 05h Set the socket power limit */
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| 	HSMP_GET_SOCKET_POWER_LIMIT,	/* 06h Get current socket power limit */
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| 	HSMP_GET_SOCKET_POWER_LIMIT_MAX,/* 07h Get maximum socket power value */
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| 	HSMP_SET_BOOST_LIMIT,		/* 08h Set a core maximum frequency limit */
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| 	HSMP_SET_BOOST_LIMIT_SOCKET,	/* 09h Set socket maximum frequency level */
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| 	HSMP_GET_BOOST_LIMIT,		/* 0Ah Get current frequency limit */
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| 	HSMP_GET_PROC_HOT,		/* 0Bh Get PROCHOT status */
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| 	HSMP_SET_XGMI_LINK_WIDTH,	/* 0Ch Set max and min width of xGMI Link */
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| 	HSMP_SET_DF_PSTATE,		/* 0Dh Alter APEnable/Disable messages behavior */
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| 	HSMP_SET_AUTO_DF_PSTATE,	/* 0Eh Enable DF P-State Performance Boost algorithm */
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| 	HSMP_GET_FCLK_MCLK,		/* 0Fh Get FCLK and MEMCLK for current socket */
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| 	HSMP_GET_CCLK_THROTTLE_LIMIT,	/* 10h Get CCLK frequency limit in socket */
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| 	HSMP_GET_C0_PERCENT,		/* 11h Get average C0 residency in socket */
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| 	HSMP_SET_NBIO_DPM_LEVEL,	/* 12h Set max/min LCLK DPM Level for a given NBIO */
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| 	HSMP_GET_NBIO_DPM_LEVEL,	/* 13h Get LCLK DPM level min and max for a given NBIO */
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| 	HSMP_GET_DDR_BANDWIDTH,		/* 14h Get theoretical maximum and current DDR Bandwidth */
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| 	HSMP_GET_TEMP_MONITOR,		/* 15h Get socket temperature */
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| 	HSMP_GET_DIMM_TEMP_RANGE,	/* 16h Get per-DIMM temperature range and refresh rate */
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| 	HSMP_GET_DIMM_POWER,		/* 17h Get per-DIMM power consumption */
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| 	HSMP_GET_DIMM_THERMAL,		/* 18h Get per-DIMM thermal sensors */
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| 	HSMP_GET_SOCKET_FREQ_LIMIT,	/* 19h Get current active frequency per socket */
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| 	HSMP_GET_CCLK_CORE_LIMIT,	/* 1Ah Get CCLK frequency limit per core */
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| 	HSMP_GET_RAILS_SVI,		/* 1Bh Get SVI-based Telemetry for all rails */
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| 	HSMP_GET_SOCKET_FMAX_FMIN,	/* 1Ch Get Fmax and Fmin per socket */
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| 	HSMP_GET_IOLINK_BANDWITH,	/* 1Dh Get current bandwidth on IO Link */
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| 	HSMP_GET_XGMI_BANDWITH,		/* 1Eh Get current bandwidth on xGMI Link */
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| 	HSMP_SET_GMI3_WIDTH,		/* 1Fh Set max and min GMI3 Link width */
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| 	HSMP_SET_PCI_RATE,		/* 20h Control link rate on PCIe devices */
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| 	HSMP_SET_POWER_MODE,		/* 21h Select power efficiency profile policy */
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| 	HSMP_SET_PSTATE_MAX_MIN,	/* 22h Set the max and min DF P-State  */
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| 	HSMP_MSG_ID_MAX,
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| };
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| 
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| struct hsmp_message {
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| 	__u32	msg_id;			/* Message ID */
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| 	__u16	num_args;		/* Number of input argument words in message */
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| 	__u16	response_sz;		/* Number of expected output/response words */
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| 	__u32	args[HSMP_MAX_MSG_LEN];	/* argument/response buffer */
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| 	__u16	sock_ind;		/* socket number */
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| };
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| 
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| enum hsmp_msg_type {
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| 	HSMP_RSVD = -1,
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| 	HSMP_SET  = 0,
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| 	HSMP_GET  = 1,
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| };
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| 
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| struct hsmp_msg_desc {
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| 	int num_args;
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| 	int response_sz;
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| 	enum hsmp_msg_type type;
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| };
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| 
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| /*
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|  * User may use these comments as reference, please find the
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|  * supported list of messages and message definition in the
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|  * HSMP chapter of respective family/model PPR.
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|  *
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|  * Not supported messages would return -ENOMSG.
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|  */
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| static const struct hsmp_msg_desc hsmp_msg_desc_table[] = {
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| 	/* RESERVED */
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| 	{0, 0, HSMP_RSVD},
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| 
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| 	/*
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| 	 * HSMP_TEST, num_args = 1, response_sz = 1
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| 	 * input:  args[0] = xx
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| 	 * output: args[0] = xx + 1
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| 	 */
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| 	{1, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_SMU_VER, num_args = 0, response_sz = 1
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| 	 * output: args[0] = smu fw ver
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_PROTO_VER, num_args = 0, response_sz = 1
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| 	 * output: args[0] = proto version
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_SOCKET_POWER, num_args = 0, response_sz = 1
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| 	 * output: args[0] = socket power in mWatts
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_SET_SOCKET_POWER_LIMIT, num_args = 1, response_sz = 0
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| 	 * input: args[0] = power limit value in mWatts
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| 	 */
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| 	{1, 0, HSMP_SET},
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| 
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| 	/*
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| 	 * HSMP_GET_SOCKET_POWER_LIMIT, num_args = 0, response_sz = 1
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| 	 * output: args[0] = socket power limit value in mWatts
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_SOCKET_POWER_LIMIT_MAX, num_args = 0, response_sz = 1
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| 	 * output: args[0] = maximuam socket power limit in mWatts
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_SET_BOOST_LIMIT, num_args = 1, response_sz = 0
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| 	 * input: args[0] = apic id[31:16] + boost limit value in MHz[15:0]
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| 	 */
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| 	{1, 0, HSMP_SET},
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| 
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| 	/*
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| 	 * HSMP_SET_BOOST_LIMIT_SOCKET, num_args = 1, response_sz = 0
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| 	 * input: args[0] = boost limit value in MHz
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| 	 */
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| 	{1, 0, HSMP_SET},
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| 
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| 	/*
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| 	 * HSMP_GET_BOOST_LIMIT, num_args = 1, response_sz = 1
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| 	 * input: args[0] = apic id
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| 	 * output: args[0] = boost limit value in MHz
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| 	 */
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| 	{1, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_PROC_HOT, num_args = 0, response_sz = 1
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| 	 * output: args[0] = proc hot status
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_SET_XGMI_LINK_WIDTH, num_args = 1, response_sz = 0
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| 	 * input: args[0] = min link width[15:8] + max link width[7:0]
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| 	 */
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| 	{1, 0, HSMP_SET},
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| 
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| 	/*
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| 	 * HSMP_SET_DF_PSTATE, num_args = 1, response_sz = 0
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| 	 * input: args[0] = df pstate[7:0]
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| 	 */
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| 	{1, 0, HSMP_SET},
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| 
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| 	/* HSMP_SET_AUTO_DF_PSTATE, num_args = 0, response_sz = 0 */
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| 	{0, 0, HSMP_SET},
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| 
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| 	/*
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| 	 * HSMP_GET_FCLK_MCLK, num_args = 0, response_sz = 2
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| 	 * output: args[0] = fclk in MHz, args[1] = mclk in MHz
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| 	 */
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| 	{0, 2, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_CCLK_THROTTLE_LIMIT, num_args = 0, response_sz = 1
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| 	 * output: args[0] = core clock in MHz
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_C0_PERCENT, num_args = 0, response_sz = 1
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| 	 * output: args[0] = average c0 residency
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_SET_NBIO_DPM_LEVEL, num_args = 1, response_sz = 0
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| 	 * input: args[0] = nbioid[23:16] + max dpm level[15:8] + min dpm level[7:0]
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| 	 */
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| 	{1, 0, HSMP_SET},
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| 
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| 	/*
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| 	 * HSMP_GET_NBIO_DPM_LEVEL, num_args = 1, response_sz = 1
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| 	 * input: args[0] = nbioid[23:16]
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| 	 * output: args[0] = max dpm level[15:8] + min dpm level[7:0]
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| 	 */
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| 	{1, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_DDR_BANDWIDTH, num_args = 0, response_sz = 1
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| 	 * output: args[0] = max bw in Gbps[31:20] + utilised bw in Gbps[19:8] +
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| 	 * bw in percentage[7:0]
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_TEMP_MONITOR, num_args = 0, response_sz = 1
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| 	 * output: args[0] = temperature in degree celsius. [15:8] integer part +
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| 	 * [7:5] fractional part
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_DIMM_TEMP_RANGE, num_args = 1, response_sz = 1
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| 	 * input: args[0] = DIMM address[7:0]
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| 	 * output: args[0] = refresh rate[3] + temperature range[2:0]
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| 	 */
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| 	{1, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_DIMM_POWER, num_args = 1, response_sz = 1
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| 	 * input: args[0] = DIMM address[7:0]
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| 	 * output: args[0] = DIMM power in mW[31:17] + update rate in ms[16:8] +
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| 	 * DIMM address[7:0]
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| 	 */
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| 	{1, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_DIMM_THERMAL, num_args = 1, response_sz = 1
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| 	 * input: args[0] = DIMM address[7:0]
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| 	 * output: args[0] = temperature in degree celcius[31:21] + update rate in ms[16:8] +
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| 	 * DIMM address[7:0]
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| 	 */
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| 	{1, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_SOCKET_FREQ_LIMIT, num_args = 0, response_sz = 1
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| 	 * output: args[0] = frequency in MHz[31:16] + frequency source[15:0]
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_CCLK_CORE_LIMIT, num_args = 1, response_sz = 1
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| 	 * input: args[0] = apic id [31:0]
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| 	 * output: args[0] = frequency in MHz[31:0]
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| 	 */
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| 	{1, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_RAILS_SVI, num_args = 0, response_sz = 1
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| 	 * output: args[0] = power in mW[31:0]
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_SOCKET_FMAX_FMIN, num_args = 0, response_sz = 1
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| 	 * output: args[0] = fmax in MHz[31:16] + fmin in MHz[15:0]
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| 	 */
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| 	{0, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_IOLINK_BANDWITH, num_args = 1, response_sz = 1
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| 	 * input: args[0] = link id[15:8] + bw type[2:0]
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| 	 * output: args[0] = io bandwidth in Mbps[31:0]
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| 	 */
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| 	{1, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_GET_XGMI_BANDWITH, num_args = 1, response_sz = 1
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| 	 * input: args[0] = link id[15:8] + bw type[2:0]
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| 	 * output: args[0] = xgmi bandwidth in Mbps[31:0]
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| 	 */
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| 	{1, 1, HSMP_GET},
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| 
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| 	/*
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| 	 * HSMP_SET_GMI3_WIDTH, num_args = 1, response_sz = 0
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| 	 * input: args[0] = min link width[15:8] + max link width[7:0]
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| 	 */
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| 	{1, 0, HSMP_SET},
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| 
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| 	/*
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| 	 * HSMP_SET_PCI_RATE, num_args = 1, response_sz = 1
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| 	 * input: args[0] = link rate control value
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| 	 * output: args[0] = previous link rate control value
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| 	 */
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| 	{1, 1, HSMP_SET},
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| 
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| 	/*
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| 	 * HSMP_SET_POWER_MODE, num_args = 1, response_sz = 0
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| 	 * input: args[0] = power efficiency mode[2:0]
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| 	 */
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| 	{1, 0, HSMP_SET},
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| 
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| 	/*
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| 	 * HSMP_SET_PSTATE_MAX_MIN, num_args = 1, response_sz = 0
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| 	 * input: args[0] = min df pstate[15:8] + max df pstate[7:0]
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| 	 */
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| 	{1, 0, HSMP_SET},
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| };
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| 
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| /* Reset to default packing */
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| #pragma pack()
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| 
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| /* Define unique ioctl command for hsmp msgs using generic _IOWR */
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| #define HSMP_BASE_IOCTL_NR	0xF8
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| #define HSMP_IOCTL_CMD		_IOWR(HSMP_BASE_IOCTL_NR, 0, struct hsmp_message)
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| 
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| #endif /*_ASM_X86_AMD_HSMP_H_*/
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