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Commit 6389eaa7 authored by Gavin Shan's avatar Gavin Shan Committed by David S. Miller
Browse files

net/ncsi: NCSI command packet handler 



The NCSI command packets are sent from MC (Management Controller)
to remote end. They are used for multiple purposes: probe existing
NCSI package/channel, retrieve NCSI channel's capability, configure
NCSI channel etc.

This defines struct to represent NCSI command packets and introduces
function ncsi_xmit_cmd(), which will be used to transmit NCSI command
packet according to the request. The request is represented by struct
ncsi_cmd_arg.

Signed-off-by: default avatarGavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: default avatarJoel Stanley <joel@jms.id.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2d283bdd

include/uapi/linux/if_ether.h

+1 −0
Original line number Diff line number Diff line
@@ -87,6 +87,7 @@ 
#define ETH_P_8021AH	0x88E7          /* 802.1ah Backbone Service Tag */

#define ETH_P_MVRP	0x88F5          /* 802.1Q MVRP                  */

#define ETH_P_1588	0x88F7		/* IEEE 1588 Timesync */

#define ETH_P_NCSI	0x88F8		/* NCSI protocol		*/

#define ETH_P_PRP	0x88FB		/* IEC 62439-3 PRP/HSRv0	*/

#define ETH_P_FCOE	0x8906		/* Fibre Channel over Ethernet  */

#define ETH_P_TDLS	0x890D          /* TDLS */

net/ncsi/Makefile

+1 −1
Original line number Diff line number Diff line 
#

# Makefile for NCSI API

#

obj-$(CONFIG_NET_NCSI) += ncsi-manage.o
 
obj-$(CONFIG_NET_NCSI) += ncsi-cmd.o ncsi-manage.o

net/ncsi/internal.h

+19 −0
Original line number Diff line number Diff line
@@ -220,6 +220,21 @@ struct ncsi_dev_priv { 
	struct list_head    node;            /* Form NCSI device list      */

};



struct ncsi_cmd_arg {

	struct ncsi_dev_priv *ndp;        /* Associated NCSI device        */

	unsigned char        type;        /* Command in the NCSI packet    */

	unsigned char        id;          /* Request ID (sequence number)  */

	unsigned char        package;     /* Destination package ID        */

	unsigned char        channel;     /* Detination channel ID or 0x1f */

	unsigned short       payload;     /* Command packet payload length */

	bool                 driven;      /* Drive the state machine?      */

	union {

		unsigned char  bytes[16]; /* Command packet specific data  */

		unsigned short words[8];

		unsigned int   dwords[4];

	};

};



extern struct list_head ncsi_dev_list;

extern spinlock_t ncsi_dev_lock;
@@ -253,4 +268,8 @@ struct ncsi_request *ncsi_alloc_request(struct ncsi_dev_priv *ndp, bool driven); 
void ncsi_free_request(struct ncsi_request *nr);

struct ncsi_dev *ncsi_find_dev(struct net_device *dev);



/* Packet handlers */

u32 ncsi_calculate_checksum(unsigned char *data, int len);

int ncsi_xmit_cmd(struct ncsi_cmd_arg *nca);



#endif /* __NCSI_INTERNAL_H__ */

net/ncsi/ncsi-cmd.c

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/*

 * Copyright Gavin Shan, IBM Corporation 2016.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 */



#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/etherdevice.h>

#include <linux/netdevice.h>

#include <linux/skbuff.h>



#include <net/ncsi.h>

#include <net/net_namespace.h>

#include <net/sock.h>



#include "internal.h"

#include "ncsi-pkt.h"



u32 ncsi_calculate_checksum(unsigned char *data, int len)

{

	u32 checksum = 0;

	int i;



	for (i = 0; i < len; i += 2)

		checksum += (((u32)data[i] << 8) | data[i + 1]);



	checksum = (~checksum + 1);

	return checksum;

}



/* This function should be called after the data area has been

 * populated completely.

 */

static void ncsi_cmd_build_header(struct ncsi_pkt_hdr *h,

				  struct ncsi_cmd_arg *nca)

{

	u32 checksum;

	__be32 *pchecksum;



	h->mc_id        = 0;

	h->revision     = NCSI_PKT_REVISION;

	h->reserved     = 0;

	h->id           = nca->id;

	h->type         = nca->type;

	h->channel      = NCSI_TO_CHANNEL(nca->package,

					  nca->channel);

	h->length       = htons(nca->payload);

	h->reserved1[0] = 0;

	h->reserved1[1] = 0;



	/* Fill with calculated checksum */

	checksum = ncsi_calculate_checksum((unsigned char *)h,

					   sizeof(*h) + nca->payload);

	pchecksum = (__be32 *)((void *)h + sizeof(struct ncsi_pkt_hdr) +

		    nca->payload);

	*pchecksum = htonl(checksum);

}



static int ncsi_cmd_handler_default(struct sk_buff *skb,

				    struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_pkt *cmd;



	cmd = (struct ncsi_cmd_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_sp(struct sk_buff *skb,

			       struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_sp_pkt *cmd;



	cmd = (struct ncsi_cmd_sp_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	cmd->hw_arbitration = nca->bytes[0];

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_dc(struct sk_buff *skb,

			       struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_dc_pkt *cmd;



	cmd = (struct ncsi_cmd_dc_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	cmd->ald = nca->bytes[0];

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_rc(struct sk_buff *skb,

			       struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_rc_pkt *cmd;



	cmd = (struct ncsi_cmd_rc_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_ae(struct sk_buff *skb,

			       struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_ae_pkt *cmd;



	cmd = (struct ncsi_cmd_ae_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	cmd->mc_id = nca->bytes[0];

	cmd->mode = htonl(nca->dwords[1]);

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_sl(struct sk_buff *skb,

			       struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_sl_pkt *cmd;



	cmd = (struct ncsi_cmd_sl_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	cmd->mode = htonl(nca->dwords[0]);

	cmd->oem_mode = htonl(nca->dwords[1]);

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_svf(struct sk_buff *skb,

				struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_svf_pkt *cmd;



	cmd = (struct ncsi_cmd_svf_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	cmd->vlan = htons(nca->words[0]);

	cmd->index = nca->bytes[2];

	cmd->enable = nca->bytes[3];

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_ev(struct sk_buff *skb,

			       struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_ev_pkt *cmd;



	cmd = (struct ncsi_cmd_ev_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	cmd->mode = nca->bytes[0];

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_sma(struct sk_buff *skb,

				struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_sma_pkt *cmd;

	int i;



	cmd = (struct ncsi_cmd_sma_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	for (i = 0; i < 6; i++)

		cmd->mac[i] = nca->bytes[i];

	cmd->index = nca->bytes[6];

	cmd->at_e = nca->bytes[7];

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_ebf(struct sk_buff *skb,

				struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_ebf_pkt *cmd;



	cmd = (struct ncsi_cmd_ebf_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	cmd->mode = htonl(nca->dwords[0]);

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_egmf(struct sk_buff *skb,

				 struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_egmf_pkt *cmd;



	cmd = (struct ncsi_cmd_egmf_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	cmd->mode = htonl(nca->dwords[0]);

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static int ncsi_cmd_handler_snfc(struct sk_buff *skb,

				 struct ncsi_cmd_arg *nca)

{

	struct ncsi_cmd_snfc_pkt *cmd;



	cmd = (struct ncsi_cmd_snfc_pkt *)skb_put(skb, sizeof(*cmd));

	memset(cmd, 0, sizeof(*cmd));

	cmd->mode = nca->bytes[0];

	ncsi_cmd_build_header(&cmd->cmd.common, nca);



	return 0;

}



static struct ncsi_cmd_handler {

	unsigned char type;

	int           payload;

	int           (*handler)(struct sk_buff *skb,

				 struct ncsi_cmd_arg *nca);

} ncsi_cmd_handlers[] = {

	{ NCSI_PKT_CMD_CIS,    0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_SP,     4, ncsi_cmd_handler_sp      },

	{ NCSI_PKT_CMD_DP,     0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_EC,     0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_DC,     4, ncsi_cmd_handler_dc      },

	{ NCSI_PKT_CMD_RC,     4, ncsi_cmd_handler_rc      },

	{ NCSI_PKT_CMD_ECNT,   0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_DCNT,   0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_AE,     8, ncsi_cmd_handler_ae      },

	{ NCSI_PKT_CMD_SL,     8, ncsi_cmd_handler_sl      },

	{ NCSI_PKT_CMD_GLS,    0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_SVF,    4, ncsi_cmd_handler_svf     },

	{ NCSI_PKT_CMD_EV,     4, ncsi_cmd_handler_ev      },

	{ NCSI_PKT_CMD_DV,     0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_SMA,    8, ncsi_cmd_handler_sma     },

	{ NCSI_PKT_CMD_EBF,    4, ncsi_cmd_handler_ebf     },

	{ NCSI_PKT_CMD_DBF,    0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_EGMF,   4, ncsi_cmd_handler_egmf    },

	{ NCSI_PKT_CMD_DGMF,   0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_SNFC,   4, ncsi_cmd_handler_snfc    },

	{ NCSI_PKT_CMD_GVI,    0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_GC,     0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_GP,     0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_GCPS,   0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_GNS,    0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_GNPTS,  0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_GPS,    0, ncsi_cmd_handler_default },

	{ NCSI_PKT_CMD_OEM,    0, NULL                     },

	{ NCSI_PKT_CMD_PLDM,   0, NULL                     },

	{ NCSI_PKT_CMD_GPUUID, 0, ncsi_cmd_handler_default }

};



static struct ncsi_request *ncsi_alloc_command(struct ncsi_cmd_arg *nca)

{

	struct ncsi_dev_priv *ndp = nca->ndp;

	struct ncsi_dev *nd = &ndp->ndev;

	struct net_device *dev = nd->dev;

	int hlen = LL_RESERVED_SPACE(dev);

	int tlen = dev->needed_tailroom;

	int len = hlen + tlen;

	struct sk_buff *skb;

	struct ncsi_request *nr;



	nr = ncsi_alloc_request(ndp, nca->driven);

	if (!nr)

		return NULL;



	/* NCSI command packet has 16-bytes header, payload, 4 bytes checksum.

	 * The packet needs padding if its payload is less than 26 bytes to

	 * meet 64 bytes minimal ethernet frame length.

	 */

	len += sizeof(struct ncsi_cmd_pkt_hdr) + 4;

	if (nca->payload < 26)

		len += 26;

	else

		len += nca->payload;



	/* Allocate skb */

	skb = alloc_skb(len, GFP_ATOMIC);

	if (!skb) {

		ncsi_free_request(nr);

		return NULL;

	}



	nr->cmd = skb;

	skb_reserve(skb, hlen);

	skb_reset_network_header(skb);



	skb->dev = dev;

	skb->protocol = htons(ETH_P_NCSI);



	return nr;

}



int ncsi_xmit_cmd(struct ncsi_cmd_arg *nca)

{

	struct ncsi_request *nr;

	struct ethhdr *eh;

	struct ncsi_cmd_handler *nch = NULL;

	int i, ret;



	/* Search for the handler */

	for (i = 0; i < ARRAY_SIZE(ncsi_cmd_handlers); i++) {

		if (ncsi_cmd_handlers[i].type == nca->type) {

			if (ncsi_cmd_handlers[i].handler)

				nch = &ncsi_cmd_handlers[i];

			else

				nch = NULL;



			break;

		}

	}



	if (!nch) {

		netdev_err(nca->ndp->ndev.dev,

			   "Cannot send packet with type 0x%02x\n", nca->type);

		return -ENOENT;

	}



	/* Get packet payload length and allocate the request */

	nca->payload = nch->payload;

	nr = ncsi_alloc_command(nca);

	if (!nr)

		return -ENOMEM;



	/* Prepare the packet */

	nca->id = nr->id;

	ret = nch->handler(nr->cmd, nca);

	if (ret) {

		ncsi_free_request(nr);

		return ret;

	}



	/* Fill the ethernet header */

	eh = (struct ethhdr *)skb_push(nr->cmd, sizeof(*eh));

	eh->h_proto = htons(ETH_P_NCSI);

	eth_broadcast_addr(eh->h_dest);

	eth_broadcast_addr(eh->h_source);



	/* Start the timer for the request that might not have

	 * corresponding response. Given NCSI is an internal

	 * connection a 1 second delay should be sufficient.

	 */

	nr->enabled = true;

	mod_timer(&nr->timer, jiffies + 1 * HZ);



	/* Send NCSI packet */

	skb_get(nr->cmd);

	ret = dev_queue_xmit(nr->cmd);

	if (ret < 0) {

		ncsi_free_request(nr);

		return ret;

	}



	return 0;

}

net/ncsi/ncsi-pkt.h

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Original line number Diff line number Diff line 
/*

 * Copyright Gavin Shan, IBM Corporation 2016.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 */



#ifndef __NCSI_PKT_H__

#define __NCSI_PKT_H__



struct ncsi_pkt_hdr {

	unsigned char mc_id;        /* Management controller ID */

	unsigned char revision;     /* NCSI version - 0x01      */

	unsigned char reserved;     /* Reserved                 */

	unsigned char id;           /* Packet sequence number   */

	unsigned char type;         /* Packet type              */

	unsigned char channel;      /* Network controller ID    */

	__be16        length;       /* Payload length           */

	__be32        reserved1[2]; /* Reserved                 */

};



struct ncsi_cmd_pkt_hdr {

	struct ncsi_pkt_hdr common; /* Common NCSI packet header */

};



/* NCSI common command packet */

struct ncsi_cmd_pkt {

	struct ncsi_cmd_pkt_hdr cmd;      /* Command header */

	__be32                  checksum; /* Checksum       */

	unsigned char           pad[26];

};



/* Select Package */

struct ncsi_cmd_sp_pkt {

	struct ncsi_cmd_pkt_hdr cmd;            /* Command header */

	unsigned char           reserved[3];    /* Reserved       */

	unsigned char           hw_arbitration; /* HW arbitration */

	__be32                  checksum;       /* Checksum       */

	unsigned char           pad[22];

};



/* Disable Channel */

struct ncsi_cmd_dc_pkt {

	struct ncsi_cmd_pkt_hdr cmd;         /* Command header  */

	unsigned char           reserved[3]; /* Reserved        */

	unsigned char           ald;         /* Allow link down */

	__be32                  checksum;    /* Checksum        */

	unsigned char           pad[22];

};



/* Reset Channel */

struct ncsi_cmd_rc_pkt {

	struct ncsi_cmd_pkt_hdr cmd;      /* Command header */

	__be32                  reserved; /* Reserved       */

	__be32                  checksum; /* Checksum       */

	unsigned char           pad[22];

};



/* AEN Enable */

struct ncsi_cmd_ae_pkt {

	struct ncsi_cmd_pkt_hdr cmd;         /* Command header   */

	unsigned char           reserved[3]; /* Reserved         */

	unsigned char           mc_id;       /* MC ID            */

	__be32                  mode;        /* AEN working mode */

	__be32                  checksum;    /* Checksum         */

	unsigned char           pad[18];

};



/* Set Link */

struct ncsi_cmd_sl_pkt {

	struct ncsi_cmd_pkt_hdr cmd;      /* Command header    */

	__be32                  mode;     /* Link working mode */

	__be32                  oem_mode; /* OEM link mode     */

	__be32                  checksum; /* Checksum          */

	unsigned char           pad[18];

};



/* Set VLAN Filter */

struct ncsi_cmd_svf_pkt {

	struct ncsi_cmd_pkt_hdr cmd;       /* Command header    */

	__be16                  reserved;  /* Reserved          */

	__be16                  vlan;      /* VLAN ID           */

	__be16                  reserved1; /* Reserved          */

	unsigned char           index;     /* VLAN table index  */

	unsigned char           enable;    /* Enable or disable */

	__be32                  checksum;  /* Checksum          */

	unsigned char           pad[14];

};



/* Enable VLAN */

struct ncsi_cmd_ev_pkt {

	struct ncsi_cmd_pkt_hdr cmd;         /* Command header   */

	unsigned char           reserved[3]; /* Reserved         */

	unsigned char           mode;        /* VLAN filter mode */

	__be32                  checksum;    /* Checksum         */

	unsigned char           pad[22];

};



/* Set MAC Address */

struct ncsi_cmd_sma_pkt {

	struct ncsi_cmd_pkt_hdr cmd;      /* Command header          */

	unsigned char           mac[6];   /* MAC address             */

	unsigned char           index;    /* MAC table index         */

	unsigned char           at_e;     /* Addr type and operation */

	__be32                  checksum; /* Checksum                */

	unsigned char           pad[18];

};



/* Enable Broadcast Filter */

struct ncsi_cmd_ebf_pkt {

	struct ncsi_cmd_pkt_hdr cmd;      /* Command header */

	__be32                  mode;     /* Filter mode    */

	__be32                  checksum; /* Checksum       */

	unsigned char           pad[22];

};



/* Enable Global Multicast Filter */

struct ncsi_cmd_egmf_pkt {

	struct ncsi_cmd_pkt_hdr cmd;      /* Command header */

	__be32                  mode;     /* Global MC mode */

	__be32                  checksum; /* Checksum       */

	unsigned char           pad[22];

};



/* Set NCSI Flow Control */

struct ncsi_cmd_snfc_pkt {

	struct ncsi_cmd_pkt_hdr cmd;         /* Command header    */

	unsigned char           reserved[3]; /* Reserved          */

	unsigned char           mode;        /* Flow control mode */

	__be32                  checksum;    /* Checksum          */

	unsigned char           pad[22];

};



/* NCSI packet revision */

#define NCSI_PKT_REVISION	0x01



/* NCSI packet commands */

#define NCSI_PKT_CMD_CIS	0x00 /* Clear Initial State              */

#define NCSI_PKT_CMD_SP		0x01 /* Select Package                   */

#define NCSI_PKT_CMD_DP		0x02 /* Deselect Package                 */

#define NCSI_PKT_CMD_EC		0x03 /* Enable Channel                   */

#define NCSI_PKT_CMD_DC		0x04 /* Disable Channel                  */

#define NCSI_PKT_CMD_RC		0x05 /* Reset Channel                    */

#define NCSI_PKT_CMD_ECNT	0x06 /* Enable Channel Network Tx        */

#define NCSI_PKT_CMD_DCNT	0x07 /* Disable Channel Network Tx       */

#define NCSI_PKT_CMD_AE		0x08 /* AEN Enable                       */

#define NCSI_PKT_CMD_SL		0x09 /* Set Link                         */

#define NCSI_PKT_CMD_GLS	0x0a /* Get Link                         */

#define NCSI_PKT_CMD_SVF	0x0b /* Set VLAN Filter                  */

#define NCSI_PKT_CMD_EV		0x0c /* Enable VLAN                      */

#define NCSI_PKT_CMD_DV		0x0d /* Disable VLAN                     */

#define NCSI_PKT_CMD_SMA	0x0e /* Set MAC address                  */

#define NCSI_PKT_CMD_EBF	0x10 /* Enable Broadcast Filter          */

#define NCSI_PKT_CMD_DBF	0x11 /* Disable Broadcast Filter         */

#define NCSI_PKT_CMD_EGMF	0x12 /* Enable Global Multicast Filter   */

#define NCSI_PKT_CMD_DGMF	0x13 /* Disable Global Multicast Filter  */

#define NCSI_PKT_CMD_SNFC	0x14 /* Set NCSI Flow Control            */

#define NCSI_PKT_CMD_GVI	0x15 /* Get Version ID                   */

#define NCSI_PKT_CMD_GC		0x16 /* Get Capabilities                 */

#define NCSI_PKT_CMD_GP		0x17 /* Get Parameters                   */

#define NCSI_PKT_CMD_GCPS	0x18 /* Get Controller Packet Statistics */

#define NCSI_PKT_CMD_GNS	0x19 /* Get NCSI Statistics              */

#define NCSI_PKT_CMD_GNPTS	0x1a /* Get NCSI Pass-throu Statistics   */

#define NCSI_PKT_CMD_GPS	0x1b /* Get package status               */

#define NCSI_PKT_CMD_OEM	0x50 /* OEM                              */

#define NCSI_PKT_CMD_PLDM	0x51 /* PLDM request over NCSI over RBT  */

#define NCSI_PKT_CMD_GPUUID	0x52 /* Get package UUID                 */



#endif /* __NCSI_PKT_H__ */