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bhyve: add bus, slot and func to device name

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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
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GPG Key ID: D854DA56315E026A
1 changed files with 2 additions and 1 deletions
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3
usr.sbin/bhyve/pci_emul.c
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@ -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);