25 #define PCI_word_BAD (pos & 1)
26 #define PCI_dword_BAD (pos & 3)
30 	(struct pci_bus *bus, unsigned int devfn, int pos, type *value)	\
37 	res = bus->ops->read(bus, devfn, pos, len, &data);		\
45 	(struct pci_bus *bus, unsigned int devfn, int pos, type value)	\
51 	res = bus->ops->write(bus, devfn, pos, len, value);		\
185 ssize_t pci_read_vpd(struct pci_dev *dev, loff_t pos, size_t count, void *buf)  in pci_read_vpd()  argument
189 	return dev->vpd->ops->read(dev, pos, count, buf);  in pci_read_vpd()
201 ssize_t pci_write_vpd(struct pci_dev *dev, loff_t pos, size_t count, const void *buf)  in pci_write_vpd()  argument
205 	return dev->vpd->ops->write(dev, pos, count, buf);  in pci_write_vpd()
236 	(struct pci_dev *dev, int pos, type *val)			\
246 					pos, sizeof(type), &data);	\
256 	(struct pci_dev *dev, int pos, type val)			\
265 					pos, sizeof(type), val);	\
331 static ssize_t pci_vpd_pci22_read(struct pci_dev *dev, loff_t pos, size_t count,  in pci_vpd_pci22_read()  argument
337 	loff_t end = pos + count;  in pci_vpd_pci22_read()
340 	if (pos < 0 || pos > vpd->base.len || end > vpd->base.len)  in pci_vpd_pci22_read()
350 	while (pos < end) {  in pci_vpd_pci22_read()
355 						 pos & ~3);  in pci_vpd_pci22_read()
368 		skip = pos & 3;  in pci_vpd_pci22_read()
372 				if (++pos == end)  in pci_vpd_pci22_read()
383 static ssize_t pci_vpd_pci22_write(struct pci_dev *dev, loff_t pos, size_t count,  in pci_vpd_pci22_write()  argument
389 	loff_t end = pos + count;  in pci_vpd_pci22_write()
392 	if (pos < 0 || (pos & 3) || (count & 3) || end > vpd->base.len)  in pci_vpd_pci22_write()
402 	while (pos < end) {  in pci_vpd_pci22_write()
414 						 pos | PCI_VPD_ADDR_F);  in pci_vpd_pci22_write()
424 		pos += sizeof(u32);  in pci_vpd_pci22_write()
442 static ssize_t pci_vpd_f0_read(struct pci_dev *dev, loff_t pos, size_t count,  in pci_vpd_f0_read()  argument
452 	ret = pci_read_vpd(tdev, pos, count, arg);  in pci_vpd_f0_read()
457 static ssize_t pci_vpd_f0_write(struct pci_dev *dev, loff_t pos, size_t count,  in pci_vpd_f0_write()  argument
467 	ret = pci_write_vpd(tdev, pos, count, arg);  in pci_vpd_f0_write()
604 static bool pcie_capability_reg_implemented(struct pci_dev *dev, int pos)  in pcie_capability_reg_implemented()  argument
609 	switch (pos) {  in pcie_capability_reg_implemented()
644 int pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *val)  in pcie_capability_read_word()  argument
649 	if (pos & 1)  in pcie_capability_read_word()
652 	if (pcie_capability_reg_implemented(dev, pos)) {  in pcie_capability_read_word()
653 		ret = pci_read_config_word(dev, pci_pcie_cap(dev) + pos, val);  in pcie_capability_read_word()
671 	if (pci_is_pcie(dev) && pos == PCI_EXP_SLTSTA &&  in pcie_capability_read_word()
680 int pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *val)  in pcie_capability_read_dword()  argument
685 	if (pos & 3)  in pcie_capability_read_dword()
688 	if (pcie_capability_reg_implemented(dev, pos)) {  in pcie_capability_read_dword()
689 		ret = pci_read_config_dword(dev, pci_pcie_cap(dev) + pos, val);  in pcie_capability_read_dword()
700 	if (pci_is_pcie(dev) && pos == PCI_EXP_SLTCTL &&  in pcie_capability_read_dword()
709 int pcie_capability_write_word(struct pci_dev *dev, int pos, u16 val)  in pcie_capability_write_word()  argument
711 	if (pos & 1)  in pcie_capability_write_word()
714 	if (!pcie_capability_reg_implemented(dev, pos))  in pcie_capability_write_word()
717 	return pci_write_config_word(dev, pci_pcie_cap(dev) + pos, val);  in pcie_capability_write_word()
721 int pcie_capability_write_dword(struct pci_dev *dev, int pos, u32 val)  in pcie_capability_write_dword()  argument
723 	if (pos & 3)  in pcie_capability_write_dword()
726 	if (!pcie_capability_reg_implemented(dev, pos))  in pcie_capability_write_dword()
729 	return pci_write_config_dword(dev, pci_pcie_cap(dev) + pos, val);  in pcie_capability_write_dword()
733 int pcie_capability_clear_and_set_word(struct pci_dev *dev, int pos,  in pcie_capability_clear_and_set_word()  argument
739 	ret = pcie_capability_read_word(dev, pos, &val);  in pcie_capability_clear_and_set_word()
743 		ret = pcie_capability_write_word(dev, pos, val);  in pcie_capability_clear_and_set_word()
750 int pcie_capability_clear_and_set_dword(struct pci_dev *dev, int pos,  in pcie_capability_clear_and_set_dword()  argument
756 	ret = pcie_capability_read_dword(dev, pos, &val);  in pcie_capability_clear_and_set_dword()
760 		ret = pcie_capability_write_dword(dev, pos, val);  in pcie_capability_clear_and_set_dword()