aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--hw/pci/pcie.c7
-rw-r--r--hw/vfio/pci.c3
-rw-r--r--include/hw/pci/pcie_regs.h23
3 files changed, 27 insertions, 6 deletions
diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c
index 66b73b87c8..aef84c665b 100644
--- a/hw/pci/pcie.c
+++ b/hw/pci/pcie.c
@@ -68,11 +68,12 @@ pcie_cap_v1_fill(PCIDevice *dev, uint8_t port, uint8_t type, uint8_t version)
pci_set_long(exp_cap + PCI_EXP_LNKCAP,
(port << PCI_EXP_LNKCAP_PN_SHIFT) |
PCI_EXP_LNKCAP_ASPMS_0S |
- PCI_EXP_LNK_MLW_1 |
- PCI_EXP_LNK_LS_25);
+ QEMU_PCI_EXP_LNKCAP_MLW(QEMU_PCI_EXP_LNK_X1) |
+ QEMU_PCI_EXP_LNKCAP_MLS(QEMU_PCI_EXP_LNK_2_5GT));
pci_set_word(exp_cap + PCI_EXP_LNKSTA,
- PCI_EXP_LNK_MLW_1 | PCI_EXP_LNK_LS_25);
+ QEMU_PCI_EXP_LNKSTA_NLW(QEMU_PCI_EXP_LNK_X1) |
+ QEMU_PCI_EXP_LNKSTA_CLS(QEMU_PCI_EXP_LNK_2_5GT));
if (dev->cap_present & QEMU_PCIE_LNKSTA_DLLLA) {
pci_word_test_and_set_mask(exp_cap + PCI_EXP_LNKSTA,
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 5c7bd96984..74f9a46b4b 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -1897,7 +1897,8 @@ static int vfio_setup_pcie_cap(VFIOPCIDevice *vdev, int pos, uint8_t size,
PCI_EXP_TYPE_ENDPOINT << 4,
PCI_EXP_FLAGS_TYPE);
vfio_add_emulated_long(vdev, pos + PCI_EXP_LNKCAP,
- PCI_EXP_LNK_MLW_1 | PCI_EXP_LNK_LS_25, ~0);
+ QEMU_PCI_EXP_LNKCAP_MLW(QEMU_PCI_EXP_LNK_X1) |
+ QEMU_PCI_EXP_LNKCAP_MLS(QEMU_PCI_EXP_LNK_2_5GT), ~0);
vfio_add_emulated_word(vdev, pos + PCI_EXP_LNKCTL, 0, ~0);
}
diff --git a/include/hw/pci/pcie_regs.h b/include/hw/pci/pcie_regs.h
index a95522a13b..ad4e7808b8 100644
--- a/include/hw/pci/pcie_regs.h
+++ b/include/hw/pci/pcie_regs.h
@@ -34,10 +34,29 @@
/* PCI_EXP_LINK{CAP, STA} */
/* link speed */
-#define PCI_EXP_LNK_LS_25 1
+typedef enum PCIExpLinkSpeed {
+ QEMU_PCI_EXP_LNK_2_5GT = 1,
+ QEMU_PCI_EXP_LNK_5GT,
+ QEMU_PCI_EXP_LNK_8GT,
+ QEMU_PCI_EXP_LNK_16GT,
+} PCIExpLinkSpeed;
+
+#define QEMU_PCI_EXP_LNKCAP_MLS(speed) (speed)
+#define QEMU_PCI_EXP_LNKSTA_CLS QEMU_PCI_EXP_LNKCAP_MLS
+
+typedef enum PCIExpLinkWidth {
+ QEMU_PCI_EXP_LNK_X1 = 1,
+ QEMU_PCI_EXP_LNK_X2 = 2,
+ QEMU_PCI_EXP_LNK_X4 = 4,
+ QEMU_PCI_EXP_LNK_X8 = 8,
+ QEMU_PCI_EXP_LNK_X12 = 12,
+ QEMU_PCI_EXP_LNK_X16 = 16,
+ QEMU_PCI_EXP_LNK_X32 = 32,
+} PCIExpLinkWidth;
#define PCI_EXP_LNK_MLW_SHIFT ctz32(PCI_EXP_LNKCAP_MLW)
-#define PCI_EXP_LNK_MLW_1 (1 << PCI_EXP_LNK_MLW_SHIFT)
+#define QEMU_PCI_EXP_LNKCAP_MLW(width) (width << PCI_EXP_LNK_MLW_SHIFT)
+#define QEMU_PCI_EXP_LNKSTA_NLW QEMU_PCI_EXP_LNKCAP_MLW
/* PCI_EXP_LINKCAP */
#define PCI_EXP_LNKCAP_ASPMS_SHIFT ctz32(PCI_EXP_LNKCAP_ASPMS)