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https://github.com/AuxXxilium/arc-lkm.git
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72 lines
2.8 KiB
C
72 lines
2.8 KiB
C
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#ifndef REDPILLLKM_RUNTIME_CONFIG_H
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#define REDPILLLKM_RUNTIME_CONFIG_H
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#include "uart_defs.h" //UART config values
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#include <linux/types.h> //bool
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//These below are currently known runtime limitations
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#define MAX_NET_IFACES 8
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#define MAC_ADDR_LEN 12
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#define MAX_BLACKLISTED_CMDLINE_TOKENS 10
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#ifdef CONFIG_SYNO_BOOT_SATA_DOM
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#define NATIVE_SATA_DOM_SUPPORTED //whether SCSI sd.c driver supports native SATA DOM
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#endif
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//UART-related constants were moved to uart_defs.h, to allow subcomponents to importa a smaller subset than this header
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#define MODEL_MAX_LENGTH 10
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#define SN_MAX_LENGTH 13
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#define VID_PID_EMPTY 0x0000
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#define VID_PID_MAX 0xFFFF
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typedef unsigned short device_id;
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typedef char syno_hw[MODEL_MAX_LENGTH + 1];
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typedef char mac_address[MAC_ADDR_LEN + 1];
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typedef char serial_no[SN_MAX_LENGTH + 1];
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typedef char cmdline_token[];
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enum boot_media_type {
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BOOT_MEDIA_USB,
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BOOT_MEDIA_SATA_DOM,
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BOOT_MEDIA_SATA_DISK,
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};
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struct boot_media {
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enum boot_media_type type; // Default: BOOT_MEDIA_USB <valid>
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//USB only options
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bool mfg_mode; //emulate mfg mode (valid for USB boot only). Default: false <valid>
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device_id vid; //Vendor ID of device containing the loader. Default: empty <valid, use first>
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device_id pid; //Product ID of device containing the loader. Default: empty <valid, use first>
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//SATA only options
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unsigned long dom_size_mib; //Max size of SATA DOM Default: 1024 <valid, READ native_sata_boot_shim.c!!!>
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};
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struct hw_config;
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struct runtime_config {
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syno_hw hw; //used to determine quirks. Default: empty <invalid>
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serial_no sn; //Used to validate it and warn the user. Default: empty <invalid>
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struct boot_media boot_media;
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bool port_thaw; //Currently unknown. Default: true <valid>
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unsigned short netif_num; //Number of eth interfaces. Default: 0 <invalid>
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mac_address *macs[MAX_NET_IFACES]; //MAC addresses of eth interfaces. Default: [] <invalid>
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cmdline_token *cmdline_blacklist[MAX_BLACKLISTED_CMDLINE_TOKENS];// Default: []
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const struct hw_config *hw_config;
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};
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extern struct runtime_config current_config;
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/**
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* Takes a raw extracted config and "shakes it a little bit" by validating things & constructing dependent structures
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*
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* Warning: if this function returns false YOU MUST NOT trust the config structure. Other code WILL break as it assumes
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* the config is valid (e.g. doesn't have null ptrs which this function generates).
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* Also, after you call this function you should call free_runtime_config() to clear up memory reservations.
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*/
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int populate_runtime_config(struct runtime_config *config);
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void free_runtime_config(struct runtime_config *config);
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#endif //REDPILLLKM_RUNTIME_CONFIG_H
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