Also move pci_config_read into asm/pci.h Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx> Reviewed-by: Radim Krčmář <rkrcmar@xxxxxxxxxx> --- config/config-x86-common.mak | 2 +- lib/asm-generic/pci.h | 4 ++++ lib/{x86 => }/pci.c | 14 ++++++-------- lib/{x86 => }/pci.h | 9 ++++++++- lib/x86/asm/pci.h | 19 +++++++++++++++++++ x86/vmexit.c | 2 +- 6 files changed, 39 insertions(+), 11 deletions(-) create mode 100644 lib/asm-generic/pci.h rename lib/{x86 => }/pci.c (84%) rename lib/{x86 => }/pci.h (60%) create mode 100644 lib/x86/asm/pci.h diff --git a/config/config-x86-common.mak b/config/config-x86-common.mak index 4a2746826784c..3a14feaaa7748 100644 --- a/config/config-x86-common.mak +++ b/config/config-x86-common.mak @@ -2,6 +2,7 @@ all: test_cases +cflatobjs += lib/pci.o cflatobjs += lib/x86/io.o cflatobjs += lib/x86/smp.o cflatobjs += lib/x86/vm.o @@ -10,7 +11,6 @@ cflatobjs += lib/x86/apic.o cflatobjs += lib/x86/atomic.o cflatobjs += lib/x86/desc.o cflatobjs += lib/x86/isr.o -cflatobjs += lib/x86/pci.o cflatobjs += lib/x86/acpi.o $(libcflat): LDFLAGS += -nostdlib diff --git a/lib/asm-generic/pci.h b/lib/asm-generic/pci.h new file mode 100644 index 0000000000000..3fa0b2ab1fe64 --- /dev/null +++ b/lib/asm-generic/pci.h @@ -0,0 +1,4 @@ +#ifndef _ASM_GENERIC_PCI_H_ +#define _ASM_GENERIC_PCI_H_ +#error need architecture specific asm/pci.h +#endif diff --git a/lib/x86/pci.c b/lib/pci.c similarity index 84% rename from lib/x86/pci.c rename to lib/pci.c index 6aa6d70353127..0058d70c888d8 100644 --- a/lib/x86/pci.c +++ b/lib/pci.c @@ -1,13 +1,11 @@ +/* + * Copyright (C) 2013, Red Hat Inc, Michael S. Tsirkin <mst@xxxxxxxxxx> + * + * This work is licensed under the terms of the GNU LGPL, version 2. + */ #include <linux/pci_regs.h> #include "pci.h" -#include "io.h" - -static uint32_t pci_config_read(pcidevaddr_t dev, uint8_t reg) -{ - uint32_t index = reg | (dev << 8) | (0x1 << 31); - outl(index, 0xCF8); - return inl(0xCFC); -} +#include "asm/pci.h" /* Scan bus look for a specific device. Only bus 0 scanned for now. */ pcidevaddr_t pci_find_dev(uint16_t vendor_id, uint16_t device_id) diff --git a/lib/x86/pci.h b/lib/pci.h similarity index 60% rename from lib/x86/pci.h rename to lib/pci.h index 046e68f9a65b6..65fcd9444461c 100644 --- a/lib/x86/pci.h +++ b/lib/pci.h @@ -1,6 +1,13 @@ #ifndef PCI_H #define PCI_H - +/* + * API for scanning a PCI bus for a given device, as well to access + * BAR registers. + * + * Copyright (C) 2013, Red Hat Inc, Michael S. Tsirkin <mst@xxxxxxxxxx> + * + * This work is licensed under the terms of the GNU LGPL, version 2. + */ #include "libcflat.h" typedef uint16_t pcidevaddr_t; diff --git a/lib/x86/asm/pci.h b/lib/x86/asm/pci.h new file mode 100644 index 0000000000000..4ec20e17d25bb --- /dev/null +++ b/lib/x86/asm/pci.h @@ -0,0 +1,19 @@ +#ifndef ASM_PCI_H +#define ASM_PCI_H +/* + * Copyright (C) 2013, Red Hat Inc, Michael S. Tsirkin <mst@xxxxxxxxxx> + * + * This work is licensed under the terms of the GNU LGPL, version 2. + */ +#include "libcflat.h" +#include "pci.h" +#include "x86/io.h" + +static inline uint32_t pci_config_read(pcidevaddr_t dev, uint8_t reg) +{ + uint32_t index = reg | (dev << 8) | (0x1 << 31); + outl(index, 0xCF8); + return inl(0xCFC); +} + +#endif diff --git a/x86/vmexit.c b/x86/vmexit.c index e9f240872788a..81ac7a88fda93 100644 --- a/x86/vmexit.c +++ b/x86/vmexit.c @@ -2,9 +2,9 @@ #include "smp.h" #include "processor.h" #include "atomic.h" +#include "pci.h" #include "x86/vm.h" #include "x86/desc.h" -#include "x86/pci.h" #include "x86/acpi.h" #include "x86/io.h" -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html