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PCI: switchtec: Add support for PCIe Gen5 devices

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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: Kelvin Cao <kelvin.cao@microchip.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
This commit is contained in:
Kelvin Cao 2023-06-23 17:00:03 -07:00 committed by Bjorn Helgaas
parent 846691f548
commit 0fb53e6470
3 changed files with 77 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/pci/quirks.c
View File

@ -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.

44
drivers/pci/switch/switchtec.c
View File

@ -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);

1
include/linux/switchtec.h
View File

@ -41,6 +41,7 @@ enum {
enum switchtec_gen {
SWITCHTEC_GEN3,
SWITCHTEC_GEN4,
SWITCHTEC_GEN5,
};
struct mrpc_regs {