From: Philippe Mathieu-Daudé <phi...@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <phi...@redhat.com> Reviewed-by: Michael S. Tsirkin <m...@redhat.com> Reviewed-by: Richard Henderson <richard.hender...@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4...@amsat.org> --- include/hw/pci/pci.h | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 483d5c7c727..023abc0f791 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -881,6 +881,18 @@ PCI_DMA_DEFINE_LDST(q_be, q_be, 64); #undef PCI_DMA_DEFINE_LDST +/** + * pci_dma_map: Map device PCI address space range into host virtual address + * @dev: #PCIDevice to be accessed + * @addr: address within that device's address space + * @plen: pointer to length of buffer; updated on return to indicate + * if only a subset of the requested range has been mapped + * @dir: indicates the transfer direction + * + * Return: A host pointer, or %NULL if the resources needed to + * perform the mapping are exhausted (in that case *@plen + * is set to zero). + */ static inline void *pci_dma_map(PCIDevice *dev, dma_addr_t addr, dma_addr_t *plen, DMADirection dir) { -- 2.34.1