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authorMarcel Apfelbaum <marcel.a@redhat.com>2014-06-23 17:32:48 +0300
committerMichael S. Tsirkin <mst@redhat.com>2014-06-23 17:48:42 +0300
commitf23b6bdc3c30c77ba0dffaa6de5e398dc3c49c51 (patch)
treed60338e3cc88b6d1cee7a8a6778a9757657dfd6a /include/hw/pci
parente4bcd27c86d20d6f1bc06a34e6612c18534a4968 (diff)
downloadqemu-f23b6bdc3c30c77ba0dffaa6de5e398dc3c49c51.tar.gz
hw/pcie: implement power controller functionality
It is needed by hot-unplug in order to get an indication from the OS when the device can be physically detached. Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'include/hw/pci')
-rw-r--r--include/hw/pci/pci.h3
-rw-r--r--include/hw/pci/pcie.h2
-rw-r--r--include/hw/pci/pcie_regs.h2
3 files changed, 7 insertions, 0 deletions
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 8c25ae5d1d..c352c7b3ad 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -158,6 +158,9 @@ enum {
QEMU_PCI_CAP_SHPC = (1 << QEMU_PCI_SHPC_BITNR),
#define QEMU_PCI_SLOTID_BITNR 6
QEMU_PCI_CAP_SLOTID = (1 << QEMU_PCI_SLOTID_BITNR),
+ /* PCI Express capability - Power Controller Present */
+#define QEMU_PCIE_SLTCAP_PCP_BITNR 7
+ QEMU_PCIE_SLTCAP_PCP = (1 << QEMU_PCIE_SLTCAP_PCP_BITNR),
};
#define TYPE_PCI_DEVICE "pci-device"
diff --git a/include/hw/pci/pcie.h b/include/hw/pci/pcie.h
index b0bf7e3ce1..7fe81f31ef 100644
--- a/include/hw/pci/pcie.h
+++ b/include/hw/pci/pcie.h
@@ -76,6 +76,8 @@ struct PCIExpressDevice {
PCIEAERLog aer_log;
};
+#define COMPAT_PROP_PCP "power_controller_present"
+
/* PCI express capability helper functions */
int pcie_cap_init(PCIDevice *dev, uint8_t offset, uint8_t type, uint8_t port);
int pcie_endpoint_cap_init(PCIDevice *dev, uint8_t offset);
diff --git a/include/hw/pci/pcie_regs.h b/include/hw/pci/pcie_regs.h
index 4d123d9fcc..652d9fc58c 100644
--- a/include/hw/pci/pcie_regs.h
+++ b/include/hw/pci/pcie_regs.h
@@ -57,6 +57,8 @@
#define PCI_EXP_SLTCTL_PIC_SHIFT (ffs(PCI_EXP_SLTCTL_PIC) - 1)
#define PCI_EXP_SLTCTL_PIC_OFF \
(PCI_EXP_SLTCTL_IND_OFF << PCI_EXP_SLTCTL_PIC_SHIFT)
+#define PCI_EXP_SLTCTL_PIC_ON \
+ (PCI_EXP_SLTCTL_IND_ON << PCI_EXP_SLTCTL_PIC_SHIFT)
#define PCI_EXP_SLTCTL_SUPPORTED \
(PCI_EXP_SLTCTL_ABPE | \