Commit 0fb53e64 authored by Kelvin Cao's avatar Kelvin Cao Committed by Bjorn Helgaas
Browse files

PCI: switchtec: Add support for PCIe Gen5 devices 

Advertise support of Gen5 devices in the driver's device ID table and
add the same IDs for the switchtec quirks. Also update driver code to
accommodate them.

Link: https://lore.kernel.org/r/20230624000003.2315364-3-kelvin.cao@microchip.com


Signed-off-by: default avatarKelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Reviewed-by: default avatarLogan Gunthorpe <logang@deltatee.com>
parent 846691f5

drivers/pci/quirks.c

+36 −0
Original line number Diff line number Diff line
@@ -5867,6 +5867,42 @@ SWITCHTEC_QUIRK(0x4428); /* PSXA 28XG4 */ 
SWITCHTEC_QUIRK(0x4552);  /* PAXA 52XG4 */

SWITCHTEC_QUIRK(0x4536);  /* PAXA 36XG4 */

SWITCHTEC_QUIRK(0x4528);  /* PAXA 28XG4 */

SWITCHTEC_QUIRK(0x5000);  /* PFX 100XG5 */

SWITCHTEC_QUIRK(0x5084);  /* PFX 84XG5 */

SWITCHTEC_QUIRK(0x5068);  /* PFX 68XG5 */

SWITCHTEC_QUIRK(0x5052);  /* PFX 52XG5 */

SWITCHTEC_QUIRK(0x5036);  /* PFX 36XG5 */

SWITCHTEC_QUIRK(0x5028);  /* PFX 28XG5 */

SWITCHTEC_QUIRK(0x5100);  /* PSX 100XG5 */

SWITCHTEC_QUIRK(0x5184);  /* PSX 84XG5 */

SWITCHTEC_QUIRK(0x5168);  /* PSX 68XG5 */

SWITCHTEC_QUIRK(0x5152);  /* PSX 52XG5 */

SWITCHTEC_QUIRK(0x5136);  /* PSX 36XG5 */

SWITCHTEC_QUIRK(0x5128);  /* PSX 28XG5 */

SWITCHTEC_QUIRK(0x5200);  /* PAX 100XG5 */

SWITCHTEC_QUIRK(0x5284);  /* PAX 84XG5 */

SWITCHTEC_QUIRK(0x5268);  /* PAX 68XG5 */

SWITCHTEC_QUIRK(0x5252);  /* PAX 52XG5 */

SWITCHTEC_QUIRK(0x5236);  /* PAX 36XG5 */

SWITCHTEC_QUIRK(0x5228);  /* PAX 28XG5 */

SWITCHTEC_QUIRK(0x5300);  /* PFXA 100XG5 */

SWITCHTEC_QUIRK(0x5384);  /* PFXA 84XG5 */

SWITCHTEC_QUIRK(0x5368);  /* PFXA 68XG5 */

SWITCHTEC_QUIRK(0x5352);  /* PFXA 52XG5 */

SWITCHTEC_QUIRK(0x5336);  /* PFXA 36XG5 */

SWITCHTEC_QUIRK(0x5328);  /* PFXA 28XG5 */

SWITCHTEC_QUIRK(0x5400);  /* PSXA 100XG5 */

SWITCHTEC_QUIRK(0x5484);  /* PSXA 84XG5 */

SWITCHTEC_QUIRK(0x5468);  /* PSXA 68XG5 */

SWITCHTEC_QUIRK(0x5452);  /* PSXA 52XG5 */

SWITCHTEC_QUIRK(0x5436);  /* PSXA 36XG5 */

SWITCHTEC_QUIRK(0x5428);  /* PSXA 28XG5 */

SWITCHTEC_QUIRK(0x5500);  /* PAXA 100XG5 */

SWITCHTEC_QUIRK(0x5584);  /* PAXA 84XG5 */

SWITCHTEC_QUIRK(0x5568);  /* PAXA 68XG5 */

SWITCHTEC_QUIRK(0x5552);  /* PAXA 52XG5 */

SWITCHTEC_QUIRK(0x5536);  /* PAXA 36XG5 */

SWITCHTEC_QUIRK(0x5528);  /* PAXA 28XG5 */



/*

 * The PLX NTB uses devfn proxy IDs to move TLPs between NT endpoints.

drivers/pci/switch/switchtec.c

+40 −4
Original line number Diff line number Diff line
@@ -372,7 +372,7 @@ static ssize_t field ## _show(struct device *dev, \ 
	if (stdev->gen == SWITCHTEC_GEN3) \

		return io_string_show(buf, &si->gen3.field, \

				      sizeof(si->gen3.field)); \

	else if (stdev->gen == SWITCHTEC_GEN4) \

	else if (stdev->gen >= SWITCHTEC_GEN4) \

		return io_string_show(buf, &si->gen4.field, \

				      sizeof(si->gen4.field)); \

	else \
@@ -663,7 +663,7 @@ static int ioctl_flash_info(struct switchtec_dev *stdev, 
	if (stdev->gen == SWITCHTEC_GEN3) {

		info.flash_length = ioread32(&fi->gen3.flash_length);

		info.num_partitions = SWITCHTEC_NUM_PARTITIONS_GEN3;

	} else if (stdev->gen == SWITCHTEC_GEN4) {

	} else if (stdev->gen >= SWITCHTEC_GEN4) {

		info.flash_length = ioread32(&fi->gen4.flash_length);

		info.num_partitions = SWITCHTEC_NUM_PARTITIONS_GEN4;

	} else {
@@ -870,7 +870,7 @@ static int ioctl_flash_part_info(struct switchtec_dev *stdev, 
		ret = flash_part_info_gen3(stdev, &info);

		if (ret)

			return ret;

	} else if (stdev->gen == SWITCHTEC_GEN4) {

	} else if (stdev->gen >= SWITCHTEC_GEN4) {

		ret = flash_part_info_gen4(stdev, &info);

		if (ret)

			return ret;
@@ -1610,7 +1610,7 @@ static int switchtec_init_pci(struct switchtec_dev *stdev, 


	if (stdev->gen == SWITCHTEC_GEN3)

		part_id = &stdev->mmio_sys_info->gen3.partition_id;

	else if (stdev->gen == SWITCHTEC_GEN4)

	else if (stdev->gen >= SWITCHTEC_GEN4)

		part_id = &stdev->mmio_sys_info->gen4.partition_id;

	else

		return -EOPNOTSUPP;
@@ -1784,6 +1784,42 @@ static const struct pci_device_id switchtec_pci_tbl[] = { 
	SWITCHTEC_PCI_DEVICE(0x4552, SWITCHTEC_GEN4),  /* PAXA 52XG4 */

	SWITCHTEC_PCI_DEVICE(0x4536, SWITCHTEC_GEN4),  /* PAXA 36XG4 */

	SWITCHTEC_PCI_DEVICE(0x4528, SWITCHTEC_GEN4),  /* PAXA 28XG4 */

	SWITCHTEC_PCI_DEVICE(0x5000, SWITCHTEC_GEN5),  /* PFX 100XG5 */

	SWITCHTEC_PCI_DEVICE(0x5084, SWITCHTEC_GEN5),  /* PFX 84XG5 */

	SWITCHTEC_PCI_DEVICE(0x5068, SWITCHTEC_GEN5),  /* PFX 68XG5 */

	SWITCHTEC_PCI_DEVICE(0x5052, SWITCHTEC_GEN5),  /* PFX 52XG5 */

	SWITCHTEC_PCI_DEVICE(0x5036, SWITCHTEC_GEN5),  /* PFX 36XG5 */

	SWITCHTEC_PCI_DEVICE(0x5028, SWITCHTEC_GEN5),  /* PFX 28XG5 */

	SWITCHTEC_PCI_DEVICE(0x5100, SWITCHTEC_GEN5),  /* PSX 100XG5 */

	SWITCHTEC_PCI_DEVICE(0x5184, SWITCHTEC_GEN5),  /* PSX 84XG5 */

	SWITCHTEC_PCI_DEVICE(0x5168, SWITCHTEC_GEN5),  /* PSX 68XG5 */

	SWITCHTEC_PCI_DEVICE(0x5152, SWITCHTEC_GEN5),  /* PSX 52XG5 */

	SWITCHTEC_PCI_DEVICE(0x5136, SWITCHTEC_GEN5),  /* PSX 36XG5 */

	SWITCHTEC_PCI_DEVICE(0x5128, SWITCHTEC_GEN5),  /* PSX 28XG5 */

	SWITCHTEC_PCI_DEVICE(0x5200, SWITCHTEC_GEN5),  /* PAX 100XG5 */

	SWITCHTEC_PCI_DEVICE(0x5284, SWITCHTEC_GEN5),  /* PAX 84XG5 */

	SWITCHTEC_PCI_DEVICE(0x5268, SWITCHTEC_GEN5),  /* PAX 68XG5 */

	SWITCHTEC_PCI_DEVICE(0x5252, SWITCHTEC_GEN5),  /* PAX 52XG5 */

	SWITCHTEC_PCI_DEVICE(0x5236, SWITCHTEC_GEN5),  /* PAX 36XG5 */

	SWITCHTEC_PCI_DEVICE(0x5228, SWITCHTEC_GEN5),  /* PAX 28XG5 */

	SWITCHTEC_PCI_DEVICE(0x5300, SWITCHTEC_GEN5),  /* PFXA 100XG5 */

	SWITCHTEC_PCI_DEVICE(0x5384, SWITCHTEC_GEN5),  /* PFXA 84XG5 */

	SWITCHTEC_PCI_DEVICE(0x5368, SWITCHTEC_GEN5),  /* PFXA 68XG5 */

	SWITCHTEC_PCI_DEVICE(0x5352, SWITCHTEC_GEN5),  /* PFXA 52XG5 */

	SWITCHTEC_PCI_DEVICE(0x5336, SWITCHTEC_GEN5),  /* PFXA 36XG5 */

	SWITCHTEC_PCI_DEVICE(0x5328, SWITCHTEC_GEN5),  /* PFXA 28XG5 */

	SWITCHTEC_PCI_DEVICE(0x5400, SWITCHTEC_GEN5),  /* PSXA 100XG5 */

	SWITCHTEC_PCI_DEVICE(0x5484, SWITCHTEC_GEN5),  /* PSXA 84XG5 */

	SWITCHTEC_PCI_DEVICE(0x5468, SWITCHTEC_GEN5),  /* PSXA 68XG5 */

	SWITCHTEC_PCI_DEVICE(0x5452, SWITCHTEC_GEN5),  /* PSXA 52XG5 */

	SWITCHTEC_PCI_DEVICE(0x5436, SWITCHTEC_GEN5),  /* PSXA 36XG5 */

	SWITCHTEC_PCI_DEVICE(0x5428, SWITCHTEC_GEN5),  /* PSXA 28XG5 */

	SWITCHTEC_PCI_DEVICE(0x5500, SWITCHTEC_GEN5),  /* PAXA 100XG5 */

	SWITCHTEC_PCI_DEVICE(0x5584, SWITCHTEC_GEN5),  /* PAXA 84XG5 */

	SWITCHTEC_PCI_DEVICE(0x5568, SWITCHTEC_GEN5),  /* PAXA 68XG5 */

	SWITCHTEC_PCI_DEVICE(0x5552, SWITCHTEC_GEN5),  /* PAXA 52XG5 */

	SWITCHTEC_PCI_DEVICE(0x5536, SWITCHTEC_GEN5),  /* PAXA 36XG5 */

	SWITCHTEC_PCI_DEVICE(0x5528, SWITCHTEC_GEN5),  /* PAXA 28XG5 */

	{0}

};

MODULE_DEVICE_TABLE(pci, switchtec_pci_tbl);

include/linux/switchtec.h

+1 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ enum { 
enum switchtec_gen {

	SWITCHTEC_GEN3,

	SWITCHTEC_GEN4,

	SWITCHTEC_GEN5,

};



struct mrpc_regs {