Author: kib Date: Thu Nov 12 02:52:01 2020 New Revision: 367613 URL: https://svnweb.freebsd.org/changeset/base/367613
Log: bhyve: remove a hack to map all 8G BARs 1:1 Suggested and reviewed by: grehan Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Differential revision: https://reviews.freebsd.org/D27186 Modified: head/usr.sbin/bhyve/pci_emul.c head/usr.sbin/bhyve/pci_emul.h head/usr.sbin/bhyve/pci_passthru.c Modified: head/usr.sbin/bhyve/pci_emul.c ============================================================================== --- head/usr.sbin/bhyve/pci_emul.c Thu Nov 12 02:25:10 2020 (r367612) +++ head/usr.sbin/bhyve/pci_emul.c Thu Nov 12 02:52:01 2020 (r367613) @@ -454,14 +454,6 @@ pci_emul_alloc_resource(uint64_t *baseptr, uint64_t li return (-1); } -int -pci_emul_alloc_bar(struct pci_devinst *pdi, int idx, enum pcibar_type type, - uint64_t size) -{ - - return (pci_emul_alloc_pbar(pdi, idx, 0, type, size)); -} - /* * Register (or unregister) the MMIO or I/O region associated with the BAR * register 'idx' of an emulated pci device. @@ -586,8 +578,8 @@ update_bar_address(struct pci_devinst *pi, uint64_t ad } int -pci_emul_alloc_pbar(struct pci_devinst *pdi, int idx, uint64_t hostbase, - enum pcibar_type type, uint64_t size) +pci_emul_alloc_bar(struct pci_devinst *pdi, int idx, enum pcibar_type type, + uint64_t size) { int error; uint64_t *baseptr, limit, addr, mask, lobits, bar; @@ -628,13 +620,7 @@ pci_emul_alloc_pbar(struct pci_devinst *pdi, int idx, * number (128MB currently). */ if (size > 128 * 1024 * 1024) { - /* - * XXX special case for device requiring peer-peer DMA - */ - if (size == 0x100000000UL) - baseptr = &hostbase; - else - baseptr = &pci_emul_membase64; + baseptr = &pci_emul_membase64; limit = pci_emul_memlim64; mask = PCIM_BAR_MEM_BASE; lobits = PCIM_BAR_MEM_SPACE | PCIM_BAR_MEM_64 | Modified: head/usr.sbin/bhyve/pci_emul.h ============================================================================== --- head/usr.sbin/bhyve/pci_emul.h Thu Nov 12 02:25:10 2020 (r367612) +++ head/usr.sbin/bhyve/pci_emul.h Thu Nov 12 02:52:01 2020 (r367613) @@ -221,8 +221,6 @@ int init_pci(struct vmctx *ctx); void pci_callback(void); int pci_emul_alloc_bar(struct pci_devinst *pdi, int idx, enum pcibar_type type, uint64_t size); -int pci_emul_alloc_pbar(struct pci_devinst *pdi, int idx, - uint64_t hostbase, enum pcibar_type type, uint64_t size); int pci_emul_add_msicap(struct pci_devinst *pi, int msgnum); int pci_emul_add_pciecap(struct pci_devinst *pi, int pcie_device_type); void pci_emul_capwrite(struct pci_devinst *pi, int offset, int bytes, Modified: head/usr.sbin/bhyve/pci_passthru.c ============================================================================== --- head/usr.sbin/bhyve/pci_passthru.c Thu Nov 12 02:25:10 2020 (r367612) +++ head/usr.sbin/bhyve/pci_passthru.c Thu Nov 12 02:52:01 2020 (r367613) @@ -583,7 +583,7 @@ cfginitbar(struct vmctx *ctx, struct passthru_softc *s sc->psc_bar[i].addr = base; /* Allocate the BAR in the guest I/O or MMIO space */ - error = pci_emul_alloc_pbar(pi, i, base, bartype, size); + error = pci_emul_alloc_bar(pi, i, bartype, size); if (error) return (-1); _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
