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pcie: Create enums for link speed and width

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In preparation for reporting higher virtual link speeds and widths,
create enums and macros to help us manage them.

Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Tested-by: Geoffrey McRae <geoff@hostfission.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Alex Williamson 2018-12-12 12:38:41 -07:00 • committed by Michael S. Tsirkin
parent e7176cdbe4
commit d96a0ac71c
3 changed files with 27 additions and 6 deletions
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7
hw/pci/pcie.c
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@ -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,