Date: Sat, 14 May 2011 01:02:41 GMT From: John Baldwin <jhb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 193093 for review Message-ID: <201105140102.p4E12f76095929@skunkworks.freebsd.org>
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http://p4web.freebsd.org/@@193093?ac=10 Change 193093 by jhb@jhb_fiver on 2011/05/14 01:01:43 More knobs to stress test things. Affected files ... .. //depot/projects/pci/sys/dev/pci/pci.c#19 edit .. //depot/projects/pci/sys/dev/pci/pci_pci.c#22 edit Differences ... ==== //depot/projects/pci/sys/dev/pci/pci.c#19 (text+ko) ==== @@ -304,11 +304,16 @@ static int pci_usb_takeover = 0; #endif TUNABLE_INT("hw.pci.usb_early_takeover", &pci_usb_takeover); -SYSCTL_INT(_hw_pci, OID_AUTO, usb_early_takeover, CTLFLAG_RD | CTLFLAG_TUN, +SYSCTL_INT(_hw_pci, OID_AUTO, usb_early_takeover, CTLFLAG_RDTUN, &pci_usb_takeover, 1, "Enable early takeover of USB controllers.\n\ Disable this if you depend on BIOS emulation of USB devices, that is\n\ you use USB devices (like keyboard or mouse) but do not load USB drivers"); +static int pci_clear_bars; +TUNABLE_INT("hw.pci.clear_bars", &pci_clear_bars); +SYSCTL_INT(_hw_pci, OID_AUTO, clear_bars, CTLFLAG_RDTUN, &pci_clear_bars, 0, + "Ignore firmware-assigned resources for BARs."); + /* Find a device_t by bus/slot/function in domain 0 */ device_t ==== //depot/projects/pci/sys/dev/pci/pci_pci.c#22 (text+ko) ==== @@ -108,8 +108,12 @@ DRIVER_MODULE(pcib, pci, pcib_driver, pcib_devclass, 0, 0); #ifdef NEW_PCIB +SYSCTL_DECL(_hw_pci); + static int pcib_clear; TUNABLE_INT("hw.pci.pcib_clear", &pcib_clear); +SYSCTL_INT(_hw_pci, OID_AUTO, pcib_clear, CTLFLAG_RDTUN, &pcib_clear, 0, + "Clear firmware-assigned resources for PCI-PCI bridge I/O windows."); /* * NEW_PCIB todo:
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