pci/nvgrace-gpu/main.c

318 			    char __user *buf, size_t count, loff_t *ppos)
323 	u64 pos = *ppos & VFIO_PCI_OFFSET_MASK;
331 	ret = vfio_pci_core_read(core_vdev, buf, count, ppos);
359 			*ppos -= count;
369 			     const char __user *buf, size_t count, loff_t *ppos)
374 	u64 pos = *ppos & VFIO_PCI_OFFSET_MASK;
393 		*ppos += copy_count;
397 	return vfio_pci_core_write(core_vdev, buf, count, ppos);
448 			 char __user *buf, size_t mem_count, loff_t *ppos)
450 	unsigned int index = VFIO_PCI_OFFSET_TO_INDEX(*ppos);
451 	u64 offset = *ppos & VFIO_PCI_OFFSET_MASK;
499 		     char __user *buf, size_t count, loff_t *ppos)
501 	u64 offset = *ppos & VFIO_PCI_OFFSET_MASK;
502 	unsigned int index = VFIO_PCI_OFFSET_TO_INDEX(*ppos);
527 	ret = nvgrace_gpu_map_and_read(nvdev, buf, mem_count, ppos);
542 	*ppos += count;
548 		 char __user *buf, size_t count, loff_t *ppos)
550 	unsigned int index = VFIO_PCI_OFFSET_TO_INDEX(*ppos);
556 		return nvgrace_gpu_read_mem(nvdev, buf, count, ppos);
559 		return nvgrace_gpu_read_config_emu(core_vdev, buf, count, ppos);
561 	return vfio_pci_core_read(core_vdev, buf, count, ppos);
571 			  loff_t *ppos)
573 	unsigned int index = VFIO_PCI_OFFSET_TO_INDEX(*ppos);
574 	loff_t pos = *ppos & VFIO_PCI_OFFSET_MASK;
616 		      size_t count, loff_t *ppos, const char __user *buf)
618 	unsigned int index = VFIO_PCI_OFFSET_TO_INDEX(*ppos);
619 	u64 offset = *ppos & VFIO_PCI_OFFSET_MASK;
647 	ret = nvgrace_gpu_map_and_write(nvdev, buf, mem_count, ppos);
652 	*ppos += count;
658 		  const char __user *buf, size_t count, loff_t *ppos)
663 	unsigned int index = VFIO_PCI_OFFSET_TO_INDEX(*ppos);
666 		return nvgrace_gpu_write_mem(nvdev, count, ppos, buf);
669 		return nvgrace_gpu_write_config_emu(core_vdev, buf, count, ppos);
671 	return vfio_pci_core_write(core_vdev, buf, count, ppos);