From: Darren Salt devspam@moreofthesa.me.uk
This is to assist driver modules which do BAR resizing.
Signed-off-by: Darren Salt devspam@moreofthesa.me.uk --- drivers/pci/pci.c | 1 + drivers/pci/pci.h | 1 - include/linux/pci.h | 1 + 3 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e578d34095e9..ef80ed451415 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -3579,6 +3579,7 @@ u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar) pci_read_config_dword(pdev, pos + PCI_REBAR_CAP, &cap); return (cap & PCI_REBAR_CAP_SIZES) >> 4; } +EXPORT_SYMBOL(pci_rebar_get_possible_sizes);
/** * pci_rebar_get_current_size - get the current size of a BAR diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index f86cae9aa1f4..640ae7d74fc3 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -608,7 +608,6 @@ int acpi_get_rc_resources(struct device *dev, const char *hid, u16 segment, struct resource *res); #endif
-u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar); int pci_rebar_get_current_size(struct pci_dev *pdev, int bar); int pci_rebar_set_size(struct pci_dev *pdev, int bar, int size); static inline u64 pci_rebar_size_to_bytes(int size) diff --git a/include/linux/pci.h b/include/linux/pci.h index 22207a79762c..9999040cfad9 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -1226,6 +1226,7 @@ void pci_update_resource(struct pci_dev *dev, int resno); int __must_check pci_assign_resource(struct pci_dev *dev, int i); int __must_check pci_reassign_resource(struct pci_dev *dev, int i, resource_size_t add_size, resource_size_t align); void pci_release_resource(struct pci_dev *dev, int resno); +u32 pci_rebar_get_possible_sizes(struct pci_dev *pdev, int bar); int __must_check pci_resize_resource(struct pci_dev *dev, int i, int size); int pci_select_bars(struct pci_dev *dev, unsigned long flags); bool pci_device_is_present(struct pci_dev *pdev);