Messages in this thread Patch in this message | | | Subject | [PATCH 2/5] PCI: add support for PCI domains to aer_inject | From | Andrew Patterson <> | Date | Mon, 12 Oct 2009 01:02:59 -0600 |
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PCI: add support for PCI domains to aer_inject
Add support for PCI domains (segments) to aer_inject.
Signed-off-by: Andrew Patterson <andrew.patterson@hp.com> ---
diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c index 62d15f6..5fc5b3e 100644 --- a/drivers/pci/pcie/aer/aer_inject.c +++ b/drivers/pci/pcie/aer/aer_inject.c @@ -26,6 +26,7 @@ #include "aerdrv.h" struct aer_error_inj { + u16 domain; u8 bus; u8 dev; u8 fn; @@ -39,6 +40,7 @@ struct aer_error_inj { struct aer_error { struct list_head list; + u16 domain; unsigned int bus; unsigned int devfn; int pos_cap_err; @@ -66,22 +68,27 @@ static LIST_HEAD(pci_bus_ops_list); /* Protect einjected and pci_bus_ops_list */ static DEFINE_SPINLOCK(inject_lock); -static void aer_error_init(struct aer_error *err, unsigned int bus, - unsigned int devfn, int pos_cap_err) +static void aer_error_init(struct aer_error *err, u16 domain, + unsigned int bus, unsigned int devfn, + int pos_cap_err) { INIT_LIST_HEAD(&err->list); + err->domain = domain; err->bus = bus; err->devfn = devfn; err->pos_cap_err = pos_cap_err; } /* inject_lock must be held before calling */ -static struct aer_error *__find_aer_error(unsigned int bus, unsigned int devfn) +static struct aer_error *__find_aer_error(u16 domain, unsigned int bus, + unsigned int devfn) { struct aer_error *err; list_for_each_entry(err, &einjected, list) { - if (bus == err->bus && devfn == err->devfn) + if (domain == err->domain && + bus == err->bus && + devfn == err->devfn) return err; } return NULL; @@ -90,7 +97,10 @@ static struct aer_error *__find_aer_error(unsigned int bus, unsigned int devfn) /* inject_lock must be held before calling */ static struct aer_error *__find_aer_error_by_dev(struct pci_dev *dev) { - return __find_aer_error(dev->bus->number, dev->devfn); + int domain = pci_domain_nr(dev->bus); + if (domain < 0) + return NULL; + return __find_aer_error((u16)domain, dev->bus->number, dev->devfn); } /* inject_lock must be held before calling */ @@ -172,11 +182,15 @@ static int pci_read_aer(struct pci_bus *bus, unsigned int devfn, int where, struct aer_error *err; unsigned long flags; struct pci_ops *ops; + int domain; spin_lock_irqsave(&inject_lock, flags); if (size != sizeof(u32)) goto out; - err = __find_aer_error(bus->number, devfn); + domain = pci_domain_nr(bus); + if (domain < 0) + goto out; + err = __find_aer_error((u16)domain, bus->number, devfn); if (!err) goto out; @@ -200,11 +214,15 @@ int pci_write_aer(struct pci_bus *bus, unsigned int devfn, int where, int size, unsigned long flags; int rw1cs; struct pci_ops *ops; + int domain; spin_lock_irqsave(&inject_lock, flags); if (size != sizeof(u32)) goto out; - err = __find_aer_error(bus->number, devfn); + domain = pci_domain_nr(bus); + if (domain < 0) + goto out; + err = __find_aer_error((u16)domain, bus->number, devfn); if (!err) goto out; @@ -305,7 +323,7 @@ static int aer_inject(struct aer_error_inj *einj) u32 sever; int ret = 0; - dev = pci_get_bus_and_slot(einj->bus, devfn); + dev = pci_get_domain_bus_and_slot((int)einj->domain, einj->bus, devfn); if (!dev) return -EINVAL; rpdev = pcie_find_root_port(dev); @@ -344,7 +362,8 @@ static int aer_inject(struct aer_error_inj *einj) if (!err) { err = err_alloc; err_alloc = NULL; - aer_error_init(err, einj->bus, devfn, pos_cap_err); + aer_error_init(err, einj->domain, einj->bus, devfn, + pos_cap_err); list_add(&err->list, &einjected); } err->uncor_status |= einj->uncor_status; @@ -358,7 +377,8 @@ static int aer_inject(struct aer_error_inj *einj) if (!rperr) { rperr = rperr_alloc; rperr_alloc = NULL; - aer_error_init(rperr, rpdev->bus->number, rpdev->devfn, + aer_error_init(rperr, pci_domain_nr(rpdev->bus), + rpdev->bus->number, rpdev->devfn, rp_pos_cap_err); list_add(&rperr->list, &einjected); }
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