search for: pci_update_resource

...break; - case PCI_HEADER_TYPE_CARDBUS: - numres = 1; - break; - default: - /* Should never get here, but just in case... */ - return; - } + int i; - for (i = 0; i < numres; i ++) - pci_update_resource(dev, &dev->resource[i], i); + for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) + pci_update_resource(dev, i); } static struct pci_platform_pm_ops *pci_platform_pm; @@ -1864,6 +1849,53 @@ int pci_select_bars(struct pci_dev *dev, unsigned long flags) return bars; }...

...break; - case PCI_HEADER_TYPE_CARDBUS: - numres = 1; - break; - default: - /* Should never get here, but just in case... */ - return; - } + int i; - for (i = 0; i < numres; i ++) - pci_update_resource(dev, &dev->resource[i], i); + for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) + pci_update_resource(dev, i); } static struct pci_platform_pm_ops *pci_platform_pm; @@ -1864,6 +1849,53 @@ int pci_select_bars(struct pci_dev *dev, unsigned long flags) return bars; }...

...) { - case PCI_HEADER_TYPE_NORMAL: - numres = 6; - break; - case PCI_HEADER_TYPE_BRIDGE: - numres = 2; - break; - case PCI_HEADER_TYPE_CARDBUS: - numres = 1; - break; - default: - /* Should never get here, but just in case... */ - return; - } + int i; - for (i = 0; i < numres; i ++) - pci_update_resource(dev, &dev->resource[i], i); + for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) + pci_update_resource(dev, i); } static struct pci_platform_pm_ops *pci_platform_pm; @@ -1864,6 +1849,53 @@ int pci_select_bars(struct pci_dev *dev, unsigned long flags) return bars; } +/** + * pci_resource...

...) { - case PCI_HEADER_TYPE_NORMAL: - numres = 6; - break; - case PCI_HEADER_TYPE_BRIDGE: - numres = 2; - break; - case PCI_HEADER_TYPE_CARDBUS: - numres = 1; - break; - default: - /* Should never get here, but just in case... */ - return; - } + int i; - for (i = 0; i < numres; i ++) - pci_update_resource(dev, &dev->resource[i], i); + for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) + pci_update_resource(dev, i); } static struct pci_platform_pm_ops *pci_platform_pm; @@ -1864,6 +1849,53 @@ int pci_select_bars(struct pci_dev *dev, unsigned long flags) return bars; } +/** + * pci_resource...

...) { - case PCI_HEADER_TYPE_NORMAL: - numres = 6; - break; - case PCI_HEADER_TYPE_BRIDGE: - numres = 2; - break; - case PCI_HEADER_TYPE_CARDBUS: - numres = 1; - break; - default: - /* Should never get here, but just in case... */ - return; - } + int i; - for (i = 0; i < numres; i ++) - pci_update_resource(dev, &dev->resource[i], i); + for (i = 0; i < PCI_BRIDGE_RESOURCES; i++) + pci_update_resource(dev, i); } static struct pci_platform_pm_ops *pci_platform_pm; @@ -1864,6 +1849,53 @@ int pci_select_bars(struct pci_dev *dev, unsigned long flags) return bars; } +/** + * pci_resource...

...ded. (Greg KH) 3, put SR-IOV callback function into the 'pci_driver'. (Matthew Wilcox) 4, register SR-IOV service at the PF loading stage. 5, remove unnecessary APIs (pci_iov_enable/disable). --- [PATCH 1/13 v7] PCI: enhance pci_ari_enabled() [PATCH 2/13 v7] PCI: remove unnecessary arg of pci_update_resource() [PATCH 3/13 v7] PCI: define PCI resource names in an 'enum' [PATCH 4/13 v7] PCI: remove unnecessary condition check in pci_restore_bars() [PATCH 5/13 v7] PCI: export __pci_read_base() [PATCH 6/13 v7] PCI: make pci_alloc_child_bus() be able to handle NULL bridge [PATCH 7/13 v7] PCI: add a...

...ded. (Greg KH) 3, put SR-IOV callback function into the 'pci_driver'. (Matthew Wilcox) 4, register SR-IOV service at the PF loading stage. 5, remove unnecessary APIs (pci_iov_enable/disable). --- [PATCH 1/13 v7] PCI: enhance pci_ari_enabled() [PATCH 2/13 v7] PCI: remove unnecessary arg of pci_update_resource() [PATCH 3/13 v7] PCI: define PCI resource names in an 'enum' [PATCH 4/13 v7] PCI: remove unnecessary condition check in pci_restore_bars() [PATCH 5/13 v7] PCI: export __pci_read_base() [PATCH 6/13 v7] PCI: make pci_alloc_child_bus() be able to handle NULL bridge [PATCH 7/13 v7] PCI: add a...

...ded. (Greg KH) 3, put SR-IOV callback function into the 'pci_driver'. (Matthew Wilcox) 4, register SR-IOV service at the PF loading stage. 5, remove unnecessary APIs (pci_iov_enable/disable). --- [PATCH 1/13 v7] PCI: enhance pci_ari_enabled() [PATCH 2/13 v7] PCI: remove unnecessary arg of pci_update_resource() [PATCH 3/13 v7] PCI: define PCI resource names in an 'enum' [PATCH 4/13 v7] PCI: remove unnecessary condition check in pci_restore_bars() [PATCH 5/13 v7] PCI: export __pci_read_base() [PATCH 6/13 v7] PCI: make pci_alloc_child_bus() be able to handle NULL bridge [PATCH 7/13 v7] PCI: add a...

...; + pci_read_base(dev, pci_bar_mem32, res, rom); } } diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 1a5fc83..059de16 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -26,11 +26,20 @@ #include <linux/slab.h> #include "pci.h" -void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno) +/** + * pci_update_base - update a PCI BAR + * @dev: PCI device + * @type: type of BAR + * @res: resource info used to update BAR + * @pos: BAR position in config space + * + * If the type is not unknown, we assume that the lowest bit is 'e...

...; + pci_read_base(dev, pci_bar_mem32, res, rom); } } diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 1a5fc83..059de16 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -26,11 +26,20 @@ #include <linux/slab.h> #include "pci.h" -void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno) +/** + * pci_update_base - update a PCI BAR + * @dev: PCI device + * @type: type of BAR + * @res: resource info used to update BAR + * @pos: BAR position in config space + * + * If the type is not unknown, we assume that the lowest bit is 'e...

...; + pci_read_base(dev, pci_bar_mem32, res, rom); } } diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 1a5fc83..059de16 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -26,11 +26,20 @@ #include <linux/slab.h> #include "pci.h" -void pci_update_resource(struct pci_dev *dev, struct resource *res, int resno) +/** + * pci_update_base - update a PCI BAR + * @dev: PCI device + * @type: type of BAR + * @res: resource info used to update BAR + * @pos: BAR position in config space + * + * If the type is not unknown, we assume that the lowest bit is 'e...

...w Wilcox) 2, get ride of 'struct kobject' used in 'struct pci_iov' (Greg KH) 3, split big chunk of code into more patches 4, add boot options to reassign resources under a bus 5, add boot option to align MMIO resources of a device --- [PATCH 1/15 v5] PCI: remove unnecessary arg of pci_update_resource() [PATCH 2/15 v5] PCI: define PCI resource names in an 'enum' [PATCH 3/15 v5] PCI: export __pci_read_base [PATCH 4/15 v5] PCI: make pci_alloc_child_bus() be able to handle bridge device [PATCH 5/15 v5] PCI: add a wrapper for resource_alignment() [PATCH 6/15 v5] PCI: add a new function to ma...

...w Wilcox) 2, get ride of 'struct kobject' used in 'struct pci_iov' (Greg KH) 3, split big chunk of code into more patches 4, add boot options to reassign resources under a bus 5, add boot option to align MMIO resources of a device --- [PATCH 1/15 v5] PCI: remove unnecessary arg of pci_update_resource() [PATCH 2/15 v5] PCI: define PCI resource names in an 'enum' [PATCH 3/15 v5] PCI: export __pci_read_base [PATCH 4/15 v5] PCI: make pci_alloc_child_bus() be able to handle bridge device [PATCH 5/15 v5] PCI: add a wrapper for resource_alignment() [PATCH 6/15 v5] PCI: add a new function to ma...

...s from software perspective, which will benefit KVM and achieve other purposes such as QoS, security, and etc. Changes from v5 to v6: 1, update ABI document to include SR-IOV sysfs entries (Greg KH) 2, fix two coding style problems (Ingo Molnar) --- [PATCH 1/16 v6] PCI: remove unnecessary arg of pci_update_resource() [PATCH 2/16 v6] PCI: define PCI resource names in an 'enum' [PATCH 3/16 v6] PCI: export __pci_read_base [PATCH 4/16 v6] PCI: make pci_alloc_child_bus() be able to handle NULL bridge [PATCH 5/16 v6] PCI: add a wrapper for resource_alignment() [PATCH 6/16 v6] PCI: add a new function to map...

...s from software perspective, which will benefit KVM and achieve other purposes such as QoS, security, and etc. Changes from v5 to v6: 1, update ABI document to include SR-IOV sysfs entries (Greg KH) 2, fix two coding style problems (Ingo Molnar) --- [PATCH 1/16 v6] PCI: remove unnecessary arg of pci_update_resource() [PATCH 2/16 v6] PCI: define PCI resource names in an 'enum' [PATCH 3/16 v6] PCI: export __pci_read_base [PATCH 4/16 v6] PCI: make pci_alloc_child_bus() be able to handle NULL bridge [PATCH 5/16 v6] PCI: add a wrapper for resource_alignment() [PATCH 6/16 v6] PCI: add a new function to map...

...s from software perspective, which will benefit KVM and achieve other purposes such as QoS, security, and etc. Changes from v5 to v6: 1, update ABI document to include SR-IOV sysfs entries (Greg KH) 2, fix two coding style problems (Ingo Molnar) --- [PATCH 1/16 v6] PCI: remove unnecessary arg of pci_update_resource() [PATCH 2/16 v6] PCI: define PCI resource names in an 'enum' [PATCH 3/16 v6] PCI: export __pci_read_base [PATCH 4/16 v6] PCI: make pci_alloc_child_bus() be able to handle NULL bridge [PATCH 5/16 v6] PCI: add a wrapper for resource_alignment() [PATCH 6/16 v6] PCI: add a new function to map...

...le_device(dev); + + for (i=0; i < PCI_NUM_RESOURCES; i++) { + r = &dev->resource[i]; + if ((r == NULL) || + !(r->flags & IORESOURCE_MEM)) + continue; + + r->end = r->end - r->start; + r->start = 0; + + if (i < PCI_BRIDGE_RESOURCES) { + pci_update_resource(dev, r, i); + } else if (i == 8 || i == 9) { + /* need to update(clear) the Base/Limit + * register also, because PCI bridge is + * disabled and the resource is + * released. + */ + pci_update_bridge(dev, i); + } + } + } + return; + } if (!pci_mem_align)...

Greetings, Following patches are intended to support SR-IOV capability in the Linux kernel. With these patches, people can turn a PCI device with the capability into multiple ones from software perspective, which will benefit KVM and achieve other purposes such as QoS, security, and etc. [PATCH 1/8 v4] PCI: define PCI resource names in a 'enum' [PATCH 2/8 v4] PCI: export __pci_read_base

Greetings, Following patches are intended to support SR-IOV capability in the Linux kernel. With these patches, people can turn a PCI device with the capability into multiple ones from software perspective, which will benefit KVM and achieve other purposes such as QoS, security, and etc. [PATCH 1/8 v4] PCI: define PCI resource names in a 'enum' [PATCH 2/8 v4] PCI: export __pci_read_base

The attached patches allow the pciback module to perform a reset whenever a PCI device is: - attached to the pciback module, as so: echo "0000:01.07.0" > /sys/bus/pci/devices/pciback/bind - detached from the pciback module, as so: echo "0000:01.07.0" > /sys/bus/pci/devices/pciback/unbind - and when the guest is done with (internally when the guest is not using