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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 14:20:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 14:20:44 -0700
commit0e59e7e7feb5a12938fbf9135147eeda3238c6c4 (patch)
treedbe994369ca9cad6893f0fd710f75791bc84b816 /include/linux/pci-ats.h
parent46b51ea2099fa2082342e52b8284aa828429b80b (diff)
parenta513a99a7cebfb452839cc09c9c0586f72d96414 (diff)
Merge branch 'next-rebase' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci
* 'next-rebase' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci: PCI: Clean-up MPS debug output pci: Clamp pcie_set_readrq() when using "performance" settings PCI: enable MPS "performance" setting to properly handle bridge MPS PCI: Workaround for Intel MPS errata PCI: Add support for PASID capability PCI: Add implementation for PRI capability PCI: Export ATS functions to modules PCI: Move ATS implementation into own file PCI / PM: Remove unnecessary error variable from acpi_dev_run_wake() PCI hotplug: acpiphp: Prevent deadlock on PCI-to-PCI bridge remove PCI / PM: Extend PME polling to all PCI devices PCI quirk: mmc: Always check for lower base frequency quirk for Ricoh 1180:e823 PCI: Make pci_setup_bridge() non-static for use by arch code x86: constify PCI raw ops structures PCI: Add quirk for known incorrect MPSS PCI: Add Solarflare vendor ID and SFC4000 device IDs
Diffstat (limited to 'include/linux/pci-ats.h')
-rw-r--r--include/linux/pci-ats.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h
index 655824fa4c76..e3d0b3890249 100644
--- a/include/linux/pci-ats.h
+++ b/include/linux/pci-ats.h
@@ -1,6 +1,8 @@
#ifndef LINUX_PCI_ATS_H
#define LINUX_PCI_ATS_H
+#include <linux/pci.h>
+
/* Address Translation Service */
struct pci_ats {
int pos; /* capability position */
@@ -15,6 +17,7 @@ struct pci_ats {
extern int pci_enable_ats(struct pci_dev *dev, int ps);
extern void pci_disable_ats(struct pci_dev *dev);
extern int pci_ats_queue_depth(struct pci_dev *dev);
+
/**
* pci_ats_enabled - query the ATS status
* @dev: the PCI device
@@ -49,4 +52,76 @@ static inline int pci_ats_enabled(struct pci_dev *dev)
#endif /* CONFIG_PCI_IOV */
+#ifdef CONFIG_PCI_PRI
+
+extern int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
+extern void pci_disable_pri(struct pci_dev *pdev);
+extern bool pci_pri_enabled(struct pci_dev *pdev);
+extern int pci_reset_pri(struct pci_dev *pdev);
+extern bool pci_pri_stopped(struct pci_dev *pdev);
+extern int pci_pri_status(struct pci_dev *pdev);
+
+#else /* CONFIG_PCI_PRI */
+
+static inline int pci_enable_pri(struct pci_dev *pdev, u32 reqs)
+{
+ return -ENODEV;
+}
+
+static inline void pci_disable_pri(struct pci_dev *pdev)
+{
+}
+
+static inline bool pci_pri_enabled(struct pci_dev *pdev)
+{
+ return false;
+}
+
+static inline int pci_reset_pri(struct pci_dev *pdev)
+{
+ return -ENODEV;
+}
+
+static inline bool pci_pri_stopped(struct pci_dev *pdev)
+{
+ return true;
+}
+
+static inline int pci_pri_status(struct pci_dev *pdev)
+{
+ return -ENODEV;
+}
+#endif /* CONFIG_PCI_PRI */
+
+#ifdef CONFIG_PCI_PASID
+
+extern int pci_enable_pasid(struct pci_dev *pdev, int features);
+extern void pci_disable_pasid(struct pci_dev *pdev);
+extern int pci_pasid_features(struct pci_dev *pdev);
+extern int pci_max_pasids(struct pci_dev *pdev);
+
+#else /* CONFIG_PCI_PASID */
+
+static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
+{
+ return -EINVAL;
+}
+
+static inline void pci_disable_pasid(struct pci_dev *pdev)
+{
+}
+
+static inline int pci_pasid_features(struct pci_dev *pdev)
+{
+ return -EINVAL;
+}
+
+static inline int pci_max_pasids(struct pci_dev *pdev)
+{
+ return -EINVAL;
+}
+
+#endif /* CONFIG_PCI_PASID */
+
+
#endif /* LINUX_PCI_ATS_H*/