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| author | Keir Fraser <keir.fraser@citrix.com> | 2008-12-11 11:48:19 +0000 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2008-12-11 11:48:19 +0000 |
| commit | 57b0566668588c70d3a5f769972f9dcbc95f5a3d (patch) | |
| tree | fa572b4b48542e0ad9ec98e9d29f837532ca5f55 /xen/include/asm-x86/msi.h | |
| parent | 849bd717c230fe8208cca3ef3be5f8e40735b755 (diff) | |
| download | xen-57b0566668588c70d3a5f769972f9dcbc95f5a3d.tar.gz xen-57b0566668588c70d3a5f769972f9dcbc95f5a3d.tar.bz2 xen-57b0566668588c70d3a5f769972f9dcbc95f5a3d.zip | |
Re-enable MSI support
Currently the MSI is disabled because of some lock issue. This patch
tries to clean up the locking related to MSI lock.
Signed-off-by: Jiang Yunhong <yunhong.jiang@intel.com>
Diffstat (limited to 'xen/include/asm-x86/msi.h')
| -rw-r--r-- | xen/include/asm-x86/msi.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/xen/include/asm-x86/msi.h b/xen/include/asm-x86/msi.h index 6ca1a76898..779ee8d46b 100644 --- a/xen/include/asm-x86/msi.h +++ b/xen/include/asm-x86/msi.h @@ -68,13 +68,17 @@ struct msi_msg { u32 data; /* 16 bits of msi message data */ }; +struct msi_desc; /* Helper functions */ extern void mask_msi_vector(unsigned int vector); extern void unmask_msi_vector(unsigned int vector); extern void set_msi_affinity(unsigned int vector, cpumask_t mask); -extern int pci_enable_msi(struct msi_info *msi); -extern void pci_disable_msi(int vector); +extern int pci_enable_msi(struct msi_info *msi, struct msi_desc **desc); +extern void pci_disable_msi(struct msi_desc *desc); extern void pci_cleanup_msi(struct pci_dev *pdev); +extern int setup_msi_irq(struct pci_dev *dev, struct msi_desc *desc); +extern void teardown_msi_vector(int vector); +extern int msi_free_vector(struct msi_desc *entry); struct msi_desc { struct { |