Differential D32961 Diff 98414 usr.sbin/bhyve/pci_lpc.c

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usr.sbin/bhyve/pci_lpc.c

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	#include <machine/vmm.h>	#include <machine/vmm.h>
	#include <machine/vmm_snapshot.h>	#include <machine/vmm_snapshot.h>

		#include <err.h>
	#include <stdio.h>	#include <stdio.h>
	#include <stdlib.h>	#include <stdlib.h>
	#include <string.h>	#include <string.h>
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	#include "pci_irq.h"	#include "pci_irq.h"
	#include "pci_lpc.h"	#include "pci_lpc.h"
	#include "pctestdev.h"	#include "pctestdev.h"
		#include "tpm2_device.h"
	#include "uart_emul.h"	#include "uart_emul.h"

	#define IO_ICU1 0x20	#define IO_ICU1 0x20
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	static bool pctestdev_present;	static bool pctestdev_present;

		static const char *lpc_tpm2_opts;
		static struct tpm2_device *lpc_tpm2;

	/*	/*
	* LPC device configuration is in the following form:	* LPC device configuration is in the following form:
	* <lpc_device_name>[,<options>]	* <lpc_device_name>[,<options>]
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	error = 0;	error = 0;
	goto done;	goto done;
	}	}
		if (strcasecmp(lpcdev, "tpm2") == 0) {
		if (lpc_tpm2_opts != NULL) {
		warnx("%s: only a single TPM allowed",
		__func__);
		error = EINVAL;
		goto done;
		}
		lpc_tpm2_opts = str;
		if (lpc_tpm2_opts == NULL) {
		error = EINVAL;
		goto done;
		}
		error = 0;
		goto done;
		}
	for (unit = 0; unit < LPC_UART_NUM; unit++) {	for (unit = 0; unit < LPC_UART_NUM; unit++) {
	if (strcasecmp(lpcdev, lpc_uart_names[unit]) == 0) {	if (strcasecmp(lpcdev, lpc_uart_names[unit]) == 0) {
	lpc_uart_softc[unit].opts = str;	lpc_uart_softc[unit].opts = str;
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	printf("bootrom\n");	printf("bootrom\n");
	for (i = 0; i < LPC_UART_NUM; i++)	for (i = 0; i < LPC_UART_NUM; i++)
	printf("%s\n", lpc_uart_names[i]);	printf("%s\n", lpc_uart_names[i]);
		printf("tpm2\n");
	printf("%s\n", pctestdev_getname());	printf("%s\n", pctestdev_getname());
	}	}

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	if (error)	if (error)
	return (error);	return (error);
	}	}
		if (lpc_tpm2_opts != NULL) {
		error = tpm2_device_create(&lpc_tpm2, ctx, lpc_tpm2_opts);
		if (error) {
		warnx(
		"%s: unable to create a TPM device with opts \"%s\" (%d)",
		__func__, lpc_tpm2_opts, error);
		return (error);
		}
		}

	/* COM1 and COM2 */	/* COM1 and COM2 */
	for (unit = 0; unit < LPC_UART_NUM; unit++) {	for (unit = 0; unit < LPC_UART_NUM; unit++) {
		markjUnsubmitted Done Inline Actions Why do we hang the TPM device off of the LPC? arm64 won't have an LPC driver, but there's no reason to exclude TPM emulation/passthrough on arm64 AFAIK... markj: Why do we hang the TPM device off of the LPC? arm64 won't have an LPC driver, but there's no…
		corvinkAuthorUnsubmitted Done Inline Actions I just needed a place to add it. Afaik, some TPMs are attached to the LPC. Where would you like to add this option? corvink: I just needed a place to add it. Afaik, some TPMs are attached to the LPC. Where would you like…
		corvinkAuthorUnsubmitted Done Inline Actions @jhb @markj Where should we hang off the TPM device? corvink: @jhb @markj Where should we hang off the TPM device?
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	pci_set_cfgdata8(lpc_bridge, 0x68 + pin, pirq_read(pin + 5));	pci_set_cfgdata8(lpc_bridge, 0x68 + pin, pirq_read(pin + 5));
	}	}

		vm_paddr_t
		lpc_tpm2_get_control_address(void)
		{
		return tpm2_device_get_control_address(lpc_tpm2);
		}

		int
		lpc_tpm2_in_use(void)
		{
		return (lpc_tpm2 != NULL);
		}

	#ifdef BHYVE_SNAPSHOT	#ifdef BHYVE_SNAPSHOT
	static int	static int
	pci_lpc_snapshot(struct vm_snapshot_meta *meta)	pci_lpc_snapshot(struct vm_snapshot_meta *meta)
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