Kuppuswamy Sathyanarayanan 4b6e5edefd PCI/EDR: Align EDR_PORT_LOCATE_DSM with PCI Firmware r3.3 ...

[ Upstream commit e2e78a294a8a863898b781dbcf90e087eda3155d ]

The "Downstream Port Containment related Enhancements" ECN of Jan 28, 2019
(document 12888 below), defined the EDR_PORT_LOCATE_DSM function with
Revision ID 5 with a return value encoding (Bits 2:0 = Function, Bits 7:3 =
Device, Bits 15:8 = Bus).  When the ECN was integrated into PCI Firmware
r3.3, sec 4.6.13, Bit 31 was added to indicate success or failure.

Check Bit 31 for failure in acpi_dpc_port_get().

Link: https://lore.kernel.org/r/20240501022543.1626025-1-sathyanarayanan.kuppuswamy@linux.intel.com
Link: https://members.pcisig.com/wg/PCI-SIG/document/12888
Fixes: ac1c8e35a3 ("PCI/DPC: Add Error Disconnect Recover (EDR) support")
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
[bhelgaas: split into two patches, update commit log]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Tested-by: Satish Thatchanamurthy <Satish.Thatchanamurt@Dell.com> # one platform
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-06-16 13:32:20 +02:00

..

controller

PCI: dwc: endpoint: Fix advertised resizable BAR size

2024-04-13 12:58:32 +02:00

endpoint

PCI: pci-epf-test: Register notifier if only core_init_notifier is enabled

2023-01-14 10:15:47 +01:00

hotplug

Revert "PCI: acpiphp: Reassign resources on bridge if necessary"

2023-12-20 15:44:30 +01:00

pcie

PCI/EDR: Align EDR_PORT_LOCATE_DSM with PCI Firmware r3.3

2024-06-16 13:32:20 +02:00

switch

PCI: switchtec: Fix an error handling path in switchtec_pci_probe()

2024-03-26 18:21:56 -04:00

access.c

PCI: Reduce warnings on possible RW1C corruption

2022-04-08 14:40:19 +02:00

ats.c

…

bus.c

…

ecam.c

…

host-bridge.c

…

iov.c

…

irq.c

PCI: Check for alloc failure in pci_request_irq()

2023-01-14 10:15:50 +01:00

Kconfig

…

Makefile

…

mmap.c

…

msi.c

PCI/MSI: Prevent MSI hardware interrupt number truncation

2024-03-01 13:16:48 +01:00

of.c

PCI: of: Don't fail devm_pci_alloc_host_bridge() on missing 'ranges'

2021-09-22 12:28:02 +02:00

p2pdma.c

PCI/P2PDMA: Avoid pci_get_slot(), which may sleep

2021-07-20 16:05:47 +02:00

pci-acpi.c

PCI/sysfs: Protect driver's D3cold preference from user space

2023-11-28 16:54:56 +00:00

pci-bridge-emul.c

PCI: pci-bridge-emul: Set PCI_STATUS_CAP_LIST for PCIe device

2022-01-27 10:54:26 +01:00

pci-bridge-emul.h

PCI: pci-bridge-emul: Add PCIe Root Capabilities Register

2021-09-26 14:08:55 +02:00

pci-driver.c

PCI/PM: Drain runtime-idle callbacks before driver removal

2024-04-13 12:58:22 +02:00

pci-label.c

PCI/sysfs: Fix dsm_label_utf16s_to_utf8s() buffer overrun

2021-07-20 16:05:50 +02:00

pci-mid.c

…

pci-pf-stub.c

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pci-stub.c

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pci-sysfs.c

PCI/sysfs: Protect driver's D3cold preference from user space

2023-11-28 16:54:56 +00:00

pci.c

PCI: Cache PCIe Device Capabilities register

2024-04-13 12:58:22 +02:00

pci.h

PCI/ERR: Cache RCEC EA Capability offset in pci_init_capabilities()

2024-04-13 12:58:22 +02:00

probe.c

PCI: Cache PCIe Device Capabilities register

2024-04-13 12:58:22 +02:00

proc.c

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quirks.c

PCI/DPC: Quirk PIO log size for Intel Ice Lake Root Ports

2024-04-13 12:59:13 +02:00

remove.c

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rom.c

…

search.c

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setup-bus.c

PCI: Take other bus devices into account when distributing resources

2023-03-11 16:40:18 +01:00

setup-irq.c

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setup-res.c

PCI: Work around Intel I210 ROM BAR overlap defect

2024-04-13 12:58:23 +02:00

slot.c

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syscall.c

PCI: Return ~0 data on pciconfig_read() CAP_SYS_ADMIN failure

2021-09-18 13:40:10 +02:00

vc.c

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vpd.c

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xen-pcifront.c

…