AuxXxilium/linux_dsm_epyc7002
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Merge branch 'pci/misc' into next

Browse Source 
* pci/misc:
  PCI: Enable access to non-standard VPD for Chelsio devices (cxgb3)
  PCI: Expand "VPD access disabled" quirk message
  PCI: pciehp: Remove loading message
  PCI: hotplug: Remove hotplug core message
  PCI: Remove service driver load/unload messages
  PCI/AER: Log AER IRQ when claiming Root Port
  PCI/AER: Log errors with PCI device, not PCIe service device
  PCI/AER: Remove unused version macros
  PCI/PME: Log PME IRQ when claiming Root Port
  PCI/PME: Drop unused support for PMEs from Root Complex Event Collectors
  PCI: Move config space size macros to pci_regs.h
This commit is contained in:
Bjorn Helgaas 2016-12-12 11:25:03 -06:00
commit c1f2e80c19
9 changed files with 48 additions and 55 deletions
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10
drivers/pci/hotplug/pci_hotplug_core.c
View File

@ -23,6 +23,9 @@
*
* Send feedback to <kristen.c.accardi@intel.com>
*
* Authors:
* Greg Kroah-Hartman <greg@kroah.com>
* Scott Murray <scottm@somanetworks.com>
*/
#include <linux/module.h> /* try_module_get & module_put */
@ -50,15 +53,9 @@
#define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
#define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
/* local variables */
static bool debug;
#define DRIVER_VERSION "0.5"
#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Scott Murray <scottm@somanetworks.com>"
#define DRIVER_DESC "PCI Hot Plug PCI Core"
static LIST_HEAD(pci_hotplug_slot_list);
static DEFINE_MUTEX(pci_hp_mutex);
@ -534,7 +531,6 @@ static int __init pci_hotplug_init(void)
return result;
}
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
return result;
}
device_initcall(pci_hotplug_init);

9
drivers/pci/hotplug/pciehp_core.c
View File

@ -25,6 +25,10 @@
*
* Send feedback to <greg@kroah.com>, <kristen.c.accardi@intel.com>
*
* Authors:
* Dan Zink <dan.zink@compaq.com>
* Greg Kroah-Hartman <greg@kroah.com>
* Dely Sy <dely.l.sy@intel.com>"
*/
#include <linux/moduleparam.h>
@ -42,10 +46,6 @@ bool pciehp_poll_mode;
int pciehp_poll_time;
static bool pciehp_force;
#define DRIVER_VERSION "0.4"
#define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>"
#define DRIVER_DESC "PCI Express Hot Plug Controller Driver"
/*
* not really modular, but the easiest way to keep compat with existing
* bootargs behaviour is to continue using module_param here.
@ -333,7 +333,6 @@ static int __init pcied_init(void)
retval = pcie_port_service_register(&hpdriver_portdrv);
dbg("pcie_port_service_register = %d\n", retval);
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
if (retval)
dbg("Failure to register service\n");

3
drivers/pci/pci.h
View File

@ -1,9 +1,6 @@
#ifndef DRIVERS_PCI_H
#define DRIVERS_PCI_H
#define PCI_CFG_SPACE_SIZE 256
#define PCI_CFG_SPACE_EXP_SIZE 4096
#define PCI_FIND_CAP_TTL 48
extern const unsigned char pcie_link_speed[];

18
drivers/pci/pcie/aer/aerdrv.c
View File

@ -30,13 +30,6 @@
#include "aerdrv.h"
#include "../../pci.h"
/*
* Version Information
*/
#define DRIVER_VERSION "v1.0"
#define DRIVER_AUTHOR "tom.l.nguyen@intel.com"
#define DRIVER_DESC "Root Port Advanced Error Reporting Driver"
static int aer_probe(struct pcie_device *dev);
static void aer_remove(struct pcie_device *dev);
static pci_ers_result_t aer_error_detected(struct pci_dev *dev,
@ -297,12 +290,12 @@ static int aer_probe(struct pcie_device *dev)
{
int status;
struct aer_rpc *rpc;
struct device *device = &dev->device;
struct device *device = &dev->port->dev;
/* Alloc rpc data structure */
rpc = aer_alloc_rpc(dev);
if (!rpc) {
dev_printk(KERN_DEBUG, device, "alloc rpc failed\n");
dev_printk(KERN_DEBUG, device, "alloc AER rpc failed\n");
aer_remove(dev);
return -ENOMEM;
}
@ -310,7 +303,8 @@ static int aer_probe(struct pcie_device *dev)
/* Request IRQ ISR */
status = request_irq(dev->irq, aer_irq, IRQF_SHARED, "aerdrv", dev);
if (status) {
dev_printk(KERN_DEBUG, device, "request IRQ failed\n");
dev_printk(KERN_DEBUG, device, "request AER IRQ %d failed\n",
dev->irq);
aer_remove(dev);
return status;
}
@ -318,8 +312,8 @@ static int aer_probe(struct pcie_device *dev)
rpc->isr = 1;
aer_enable_rootport(rpc);
return status;
dev_info(device, "AER enabled with IRQ %d\n", dev->irq);
return 0;
}
/**

29
drivers/pci/pcie/pme.c
View File

@ -300,8 +300,6 @@ static irqreturn_t pcie_pme_irq(int irq, void *context)
*/
static int pcie_pme_set_native(struct pci_dev *dev, void *ign)
{
dev_info(&dev->dev, "Signaling PME through PCIe PME interrupt\n");
device_set_run_wake(&dev->dev, true);
dev->pme_interrupt = true;
return 0;
@ -319,23 +317,8 @@ static int pcie_pme_set_native(struct pci_dev *dev, void *ign)
static void pcie_pme_mark_devices(struct pci_dev *port)
{
pcie_pme_set_native(port, NULL);
if (port->subordinate) {
if (port->subordinate)
pci_walk_bus(port->subordinate, pcie_pme_set_native, NULL);
} else {
struct pci_bus *bus = port->bus;
struct pci_dev *dev;
/* Check if this is a root port event collector. */
if (pci_pcie_type(port) != PCI_EXP_TYPE_RC_EC || !bus)
return;
down_read(&pci_bus_sem);
list_for_each_entry(dev, &bus->devices, bus_list)
if (pci_is_pcie(dev)
&& pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END)
pcie_pme_set_native(dev, NULL);
up_read(&pci_bus_sem);
}
}
/**
@ -364,12 +347,14 @@ static int pcie_pme_probe(struct pcie_device *srv)
ret = request_irq(srv->irq, pcie_pme_irq, IRQF_SHARED, "PCIe PME", srv);
if (ret) {
kfree(data);
} else {
pcie_pme_mark_devices(port);
pcie_pme_interrupt_enable(port, true);
return ret;
}
return ret;
dev_info(&port->dev, "Signaling PME with IRQ %d\n", srv->irq);
pcie_pme_mark_devices(port);
pcie_pme_interrupt_enable(port, true);
return 0;
}
static bool pcie_pme_check_wakeup(struct pci_bus *bus)

3
drivers/pci/pcie/portdrv_core.c
View File

@ -499,7 +499,6 @@ static int pcie_port_probe_service(struct device *dev)
if (status)
return status;
dev_printk(KERN_DEBUG, dev, "service driver %s loaded\n", driver->name);
get_device(dev);
return 0;
}
@ -524,8 +523,6 @@ static int pcie_port_remove_service(struct device *dev)
pciedev = to_pcie_device(dev);
driver = to_service_driver(dev->driver);
if (driver && driver->remove) {
dev_printk(KERN_DEBUG, dev, "unloading service driver %s\n",
driver->name);
driver->remove(pciedev);
put_device(dev);
}

21
drivers/pci/quirks.c
View File

@ -2156,7 +2156,7 @@ static void quirk_blacklist_vpd(struct pci_dev *dev)
{
if (dev->vpd) {
dev->vpd->len = 0;
dev_warn(&dev->dev, FW_BUG "VPD access disabled\n");
dev_warn(&dev->dev, FW_BUG "disabling VPD access (can't determine size of non-standard VPD format)\n");
}
}
@ -3255,6 +3255,25 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CACTUS_RIDGE_4C
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PORT_RIDGE,
quirk_thunderbolt_hotplug_msi);
static void quirk_chelsio_extend_vpd(struct pci_dev *dev)
{
pci_set_vpd_size(dev, 8192);
}
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x20, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x21, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x22, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x23, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x24, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x25, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x26, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x30, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x31, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x32, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x35, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x36, quirk_chelsio_extend_vpd);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_CHELSIO, 0x37, quirk_chelsio_extend_vpd);
#ifdef CONFIG_ACPI
/*
* Apple: Shutdown Cactus Ridge Thunderbolt controller.

2
drivers/vfio/pci/vfio_pci_config.c
View File

@ -31,8 +31,6 @@
#include "vfio_pci_private.h"
#define PCI_CFG_SPACE_SIZE 256
/* Fake capability ID for standard config space */
#define PCI_CAP_ID_BASIC 0

8
include/uapi/linux/pci_regs.h
View File

@ -22,6 +22,14 @@
#ifndef LINUX_PCI_REGS_H
#define LINUX_PCI_REGS_H
/*
* Conventional PCI and PCI-X Mode 1 devices have 256 bytes of
* configuration space. PCI-X Mode 2 and PCIe devices have 4096 bytes of
* configuration space.
*/
#define PCI_CFG_SPACE_SIZE 256
#define PCI_CFG_SPACE_EXP_SIZE 4096
/*
* Under PCI, each device has 256 bytes of configuration address space,
* of which the first 64 bytes are standardized as follows: