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| author | Amrani, Ram <Ram.Amrani@cavium.com> | 2017-04-27 13:35:32 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-04-28 12:47:57 -0400 |
| commit | f92faaba11d862ad91139486db24f801aeabd68c (patch) | |
| tree | eae558f6c79e85d00c07a43e867e40940bdcc14d /include/uapi | |
| parent | 08c4cf51e30f0a6977fa4be8d97f3e34d7fede0b (diff) | |
| download | linux-f92faaba11d862ad91139486db24f801aeabd68c.tar.bz2 | |
RDMA/qedr: properly check atomic capabilities
After checking the path upwards towards root complex, actualy check
root complex atomic_req capability, and not our own NIC.
Verify that the PCIe device control register's atomic egress block
is cleared in the path.
Verify that the PCIe version is at least 2.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/pci_regs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index 634c9c44ed6c..18a26c16bd80 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -630,6 +630,7 @@ #define PCI_EXP_DEVCTL2_COMP_TIMEOUT 0x000f /* Completion Timeout Value */ #define PCI_EXP_DEVCTL2_ARI 0x0020 /* Alternative Routing-ID */ #define PCI_EXP_DEVCTL2_ATOMIC_REQ 0x0040 /* Set Atomic requests */ +#define PCI_EXP_DEVCTL2_ATOMIC_EGRESS_BLOCK 0x0080 /* Block atomic egress */ #define PCI_EXP_DEVCTL2_IDO_REQ_EN 0x0100 /* Allow IDO for requests */ #define PCI_EXP_DEVCTL2_IDO_CMP_EN 0x0200 /* Allow IDO for completions */ #define PCI_EXP_DEVCTL2_LTR_EN 0x0400 /* Enable LTR mechanism */ |