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PCI: Add PCIE_MSG_CODE_PME_TURN_OFF message macro

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Add PCIE_MSG_CODE_PME_TURN_OFF macros to enable a PCIe host driver to send
PME_Turn_Off messages.

Link: https://lore.kernel.org/linux-pci/20240418-pme_msg-v8-4-a54265c39742@nxp.com
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
This commit is contained in:
Frank Li 2024-04-18 12:04:27 -04:00 committed by Bjorn Helgaas
parent 95cb8ff688
commit 9972b17712
1 changed files with 3 additions and 0 deletions
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3
drivers/pci/pci.h
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@ -30,6 +30,9 @@
#define PCIE_MSG_TYPE_R_LOCAL 4
#define PCIE_MSG_TYPE_R_GATHER 5
/* Power Management Messages; PCIe r6.0, sec 2.2.8.2 */
#define PCIE_MSG_CODE_PME_TURN_OFF 0x19
/* INTx Mechanism Messages; PCIe r6.0, sec 2.2.8.1 */
#define PCIE_MSG_CODE_ASSERT_INTA 0x20
#define PCIE_MSG_CODE_ASSERT_INTB 0x21