From: Sheng Yang <sheng@linux.intel.com>
To: Avi Kivity <avi@redhat.com>
Cc: kvm@vger.kernel.org, Anthony Liguori <anthony@codemonkey.ws>,
Sheng Yang <sheng@linux.intel.com>
Subject: [PATCH 2/3] kvm: add ioctl KVM_SET_MSIX_ENTRY_NR and KVM_SET_MSIX_ENTRY
Date: Wed, 11 Feb 2009 16:14:24 +0800 [thread overview]
Message-ID: <1234340065-3505-3-git-send-email-sheng@linux.intel.com> (raw)
In-Reply-To: <1234340065-3505-1-git-send-email-sheng@linux.intel.com>
Signed-off-by: Sheng Yang <sheng@linux.intel.com>
---
libkvm/libkvm.c | 25 +++++++++++++++++++++++++
libkvm/libkvm.h | 7 +++++++
2 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/libkvm/libkvm.c b/libkvm/libkvm.c
index b4433bd..ef0066a 100644
--- a/libkvm/libkvm.c
+++ b/libkvm/libkvm.c
@@ -1342,3 +1342,28 @@ int kvm_get_irq_route_gsi(kvm_context_t kvm)
kvm->max_used_gsi : KVM_IOAPIC_NUM_PINS;
}
+#ifdef KVM_CAP_DEVICE_MSIX
+int kvm_set_msix_nr(kvm_context_t kvm,
+ struct kvm_assigned_msix_nr *msix_nr)
+{
+ int ret;
+
+ ret = ioctl(kvm->vm_fd, KVM_SET_MSIX_NR, msix_nr);
+ if (ret < 0)
+ return -errno;
+
+ return ret;
+}
+
+int kvm_set_msix_entry(kvm_context_t kvm,
+ struct kvm_assigned_msix_entry *entry)
+{
+ int ret;
+
+ ret = ioctl(kvm->vm_fd, KVM_SET_MSIX_ENTRY, entry);
+ if (ret < 0)
+ return -errno;
+
+ return ret;
+}
+#endif
diff --git a/libkvm/libkvm.h b/libkvm/libkvm.h
index 3c09be1..e2f6787 100644
--- a/libkvm/libkvm.h
+++ b/libkvm/libkvm.h
@@ -828,4 +828,11 @@ int kvm_commit_irq_routes(kvm_context_t kvm);
* \param kvm Pointer to the current kvm_context
*/
int kvm_get_irq_route_gsi(kvm_context_t kvm);
+
+#ifdef KVM_CAP_DEVICE_MSIX
+int kvm_set_msix_nr(kvm_context_t kvm,
+ struct kvm_assigned_msix_nr *msix_nr);
+int kvm_set_msix_entry(kvm_context_t kvm,
+ struct kvm_assigned_msix_entry *entry);
+#endif
#endif
--
1.5.4.5
next prev parent reply other threads:[~2009-02-11 8:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-11 8:14 [PATCH 0/3][v3] Userspace for MSI-X enabling Sheng Yang
2009-02-11 8:14 ` [PATCH 1/3] Add MSI-X related macro to pci.c Sheng Yang
2009-02-11 8:14 ` Sheng Yang [this message]
2009-02-11 8:14 ` [PATCH 3/3] kvm: enable MSI-X capabilty for assigned device Sheng Yang
2009-02-12 10:14 ` Sheng Yang
-- strict thread matches above, loose matches on Subject: below --
2008-12-30 6:29 [Patch 0/3][v2] Userspace for MSI-X Sheng Yang
2008-12-30 6:29 ` [PATCH 2/3] kvm: add ioctl KVM_SET_MSIX_ENTRY_NR and KVM_SET_MSIX_ENTRY Sheng Yang
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