mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 09:06:45 +07:00
69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
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#ifndef _HVSI_H
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#define _HVSI_H
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#define VS_DATA_PACKET_HEADER 0xff
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#define VS_CONTROL_PACKET_HEADER 0xfe
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#define VS_QUERY_PACKET_HEADER 0xfd
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#define VS_QUERY_RESPONSE_PACKET_HEADER 0xfc
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/* control verbs */
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#define VSV_SET_MODEM_CTL 1 /* to service processor only */
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#define VSV_MODEM_CTL_UPDATE 2 /* from service processor only */
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#define VSV_CLOSE_PROTOCOL 3
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/* query verbs */
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#define VSV_SEND_VERSION_NUMBER 1
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#define VSV_SEND_MODEM_CTL_STATUS 2
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/* yes, these masks are not consecutive. */
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#define HVSI_TSDTR 0x01
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#define HVSI_TSCD 0x20
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#define HVSI_MAX_OUTGOING_DATA 12
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#define HVSI_VERSION 1
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struct hvsi_header {
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uint8_t type;
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uint8_t len;
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uint16_t seqno;
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} __attribute__((packed));
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struct hvsi_data {
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uint8_t type;
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uint8_t len;
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uint16_t seqno;
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uint8_t data[HVSI_MAX_OUTGOING_DATA];
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} __attribute__((packed));
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struct hvsi_control {
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uint8_t type;
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uint8_t len;
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uint16_t seqno;
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uint16_t verb;
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/* optional depending on verb: */
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uint32_t word;
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uint32_t mask;
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} __attribute__((packed));
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struct hvsi_query {
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uint8_t type;
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uint8_t len;
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uint16_t seqno;
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uint16_t verb;
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} __attribute__((packed));
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struct hvsi_query_response {
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uint8_t type;
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uint8_t len;
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uint16_t seqno;
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uint16_t verb;
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uint16_t query_seqno;
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union {
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uint8_t version;
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uint32_t mctrl_word;
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} u;
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} __attribute__((packed));
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#endif /* _HVSI_H */
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