cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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mbx.h (5010B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2/* Copyright(c) 1999 - 2018 Intel Corporation. */
      3
      4#ifndef _IXGBE_MBX_H_
      5#define _IXGBE_MBX_H_
      6
      7#include "vf.h"
      8
      9#define IXGBE_VFMAILBOX_SIZE	16 /* 16 32 bit words - 64 bytes */
     10
     11#define IXGBE_VFMAILBOX		0x002FC
     12#define IXGBE_VFMBMEM		0x00200
     13
     14/* Define mailbox register bits */
     15#define IXGBE_VFMAILBOX_REQ	0x00000001 /* Request for PF Ready bit */
     16#define IXGBE_VFMAILBOX_ACK	0x00000002 /* Ack PF message received */
     17#define IXGBE_VFMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
     18#define IXGBE_VFMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
     19#define IXGBE_VFMAILBOX_PFSTS	0x00000010 /* PF wrote a message in the MB */
     20#define IXGBE_VFMAILBOX_PFACK	0x00000020 /* PF ack the previous VF msg */
     21#define IXGBE_VFMAILBOX_RSTI	0x00000040 /* PF has reset indication */
     22#define IXGBE_VFMAILBOX_RSTD	0x00000080 /* PF has indicated reset done */
     23#define IXGBE_VFMAILBOX_R2C_BITS 0x000000B0 /* All read to clear bits */
     24
     25#define IXGBE_PFMAILBOX(x)	(0x04B00 + (4 * (x)))
     26#define IXGBE_PFMBMEM(vfn)	(0x13000 + (64 * (vfn)))
     27
     28#define IXGBE_PFMAILBOX_STS	0x00000001 /* Initiate message send to VF */
     29#define IXGBE_PFMAILBOX_ACK	0x00000002 /* Ack message recv'd from VF */
     30#define IXGBE_PFMAILBOX_VFU	0x00000004 /* VF owns the mailbox buffer */
     31#define IXGBE_PFMAILBOX_PFU	0x00000008 /* PF owns the mailbox buffer */
     32#define IXGBE_PFMAILBOX_RVFU	0x00000010 /* Reset VFU - used when VF stuck */
     33
     34#define IXGBE_MBVFICR_VFREQ_MASK 0x0000FFFF /* bits for VF messages */
     35#define IXGBE_MBVFICR_VFREQ_VF1	0x00000001 /* bit for VF 1 message */
     36#define IXGBE_MBVFICR_VFACK_MASK 0xFFFF0000 /* bits for VF acks */
     37#define IXGBE_MBVFICR_VFACK_VF1	0x00010000 /* bit for VF 1 ack */
     38
     39/* If it's a IXGBE_VF_* msg then it originates in the VF and is sent to the
     40 * PF.  The reverse is true if it is IXGBE_PF_*.
     41 * Message results are the value or'd with 0xF0000000
     42 */
     43#define IXGBE_VT_MSGTYPE_SUCCESS	0x80000000 /* Messages or'd with this
     44						    * have succeeded
     45						    */
     46#define IXGBE_VT_MSGTYPE_FAILURE	0x40000000 /* Messages or'd with this
     47						    * have failed
     48						    */
     49#define IXGBE_VT_MSGTYPE_CTS		0x20000000 /* Indicates that VF is still
     50						    * clear to send requests
     51						    */
     52#define IXGBE_VT_MSGINFO_SHIFT	16
     53/* bits 23:16 are used for exra info for certain messages */
     54#define IXGBE_VT_MSGINFO_MASK	(0xFF << IXGBE_VT_MSGINFO_SHIFT)
     55
     56/* definitions to support mailbox API version negotiation */
     57
     58/* each element denotes a version of the API; existing numbers may not
     59 * change; any additions must go at the end
     60 */
     61enum ixgbe_pfvf_api_rev {
     62	ixgbe_mbox_api_10,	/* API version 1.0, linux/freebsd VF driver */
     63	ixgbe_mbox_api_20,	/* API version 2.0, solaris Phase1 VF driver */
     64	ixgbe_mbox_api_11,	/* API version 1.1, linux/freebsd VF driver */
     65	ixgbe_mbox_api_12,	/* API version 1.2, linux/freebsd VF driver */
     66	ixgbe_mbox_api_13,	/* API version 1.3, linux/freebsd VF driver */
     67	ixgbe_mbox_api_14,	/* API version 1.4, linux/freebsd VF driver */
     68	ixgbe_mbox_api_15,	/* API version 1.5, linux/freebsd VF driver */
     69	/* This value should always be last */
     70	ixgbe_mbox_api_unknown,	/* indicates that API version is not known */
     71};
     72
     73/* mailbox API, legacy requests */
     74#define IXGBE_VF_RESET		0x01 /* VF requests reset */
     75#define IXGBE_VF_SET_MAC_ADDR	0x02 /* VF requests PF to set MAC addr */
     76#define IXGBE_VF_SET_MULTICAST	0x03 /* VF requests PF to set MC addr */
     77#define IXGBE_VF_SET_VLAN	0x04 /* VF requests PF to set VLAN */
     78
     79/* mailbox API, version 1.0 VF requests */
     80#define IXGBE_VF_SET_LPE	0x05 /* VF requests PF to set VMOLR.LPE */
     81#define IXGBE_VF_SET_MACVLAN	0x06 /* VF requests PF for unicast filter */
     82#define IXGBE_VF_API_NEGOTIATE	0x08 /* negotiate API version */
     83
     84/* mailbox API, version 1.1 VF requests */
     85#define IXGBE_VF_GET_QUEUE	0x09 /* get queue configuration */
     86
     87/* GET_QUEUES return data indices within the mailbox */
     88#define IXGBE_VF_TX_QUEUES	1 /* number of Tx queues supported */
     89#define IXGBE_VF_RX_QUEUES	2 /* number of Rx queues supported */
     90#define IXGBE_VF_TRANS_VLAN	3 /* Indication of port VLAN */
     91#define IXGBE_VF_DEF_QUEUE	4 /* Default queue offset */
     92
     93/* mailbox API, version 1.2 VF requests */
     94#define IXGBE_VF_GET_RETA	0x0a	/* VF request for RETA */
     95#define IXGBE_VF_GET_RSS_KEY	0x0b	/* get RSS hash key */
     96
     97#define IXGBE_VF_UPDATE_XCAST_MODE	0x0c
     98
     99/* mailbox API, version 1.4 VF requests */
    100#define IXGBE_VF_IPSEC_ADD	0x0d
    101#define IXGBE_VF_IPSEC_DEL	0x0e
    102
    103#define IXGBE_VF_GET_LINK_STATE 0x10 /* get vf link state */
    104
    105/* length of permanent address message returned from PF */
    106#define IXGBE_VF_PERMADDR_MSG_LEN	4
    107/* word in permanent address message with the current multicast type */
    108#define IXGBE_VF_MC_TYPE_WORD		3
    109
    110#define IXGBE_PF_CONTROL_MSG		0x0100 /* PF control message */
    111
    112#define IXGBE_VF_MBX_INIT_TIMEOUT	2000 /* number of retries on mailbox */
    113#define IXGBE_VF_MBX_INIT_DELAY		500  /* microseconds between retries */
    114
    115/* forward declaration of the HW struct */
    116struct ixgbe_hw;
    117
    118#endif /* _IXGBE_MBX_H_ */