bhyve: add bus, slot and func to device name

Each device needs a unique identifier to store and restore snapshots
properly. Adding the pci bsf information to the device name creates a
unique identifier as a bsf can't be occupied twice.

Reviewed by:		corvink
MFC after:		1 week
Sponsored by:		vStack
Differential Revision:	https://reviews.freebsd.org/D40107

This commit is contained in:

Vitaliy Gusev

2023-05-15 14:28:45 +00:00

committed by

Corvin Köhne

parent b10d65a420

commit 14c80457b0

1 changed files with 2 additions and 1 deletions

									
										usr.sbin/bhyve/pci_emul.c
									
		+2
		-1
	
												View File
												
				@@ -1029,7 +1029,8 @@ pci_emul_init(struct vmctx *ctx, struct pci_devemu *pde, int bus, int slot,

					pdi->pi_lintr.pirq_pin = 0;

					pdi->pi_lintr.ioapic_irq = 0;

					pdi->pi_d = pde;

					snprintf(pdi->pi_name, PI_NAMESZ, "%s-pci-%d", pde->pe_emu, slot);

					snprintf(pdi->pi_name, PI_NAMESZ, "%s@pci.%d.%d.%d", pde->pe_emu, bus,

					    slot, func);

					/* Disable legacy interrupts */

					pci_set_cfgdata8(pdi, PCIR_INTLINE, 255);