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Diffstat (limited to 'sys/dev/pci/pcivar.h')
| -rw-r--r-- | sys/dev/pci/pcivar.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/dev/pci/pcivar.h b/sys/dev/pci/pcivar.h index 832305b9adee..4abb5e977346 100644 --- a/sys/dev/pci/pcivar.h +++ b/sys/dev/pci/pcivar.h @@ -516,8 +516,20 @@ pci_is_vga_memory_range(rman_res_t start, rman_res_t end) #define PCI_POWERSTATE_D3_HOT 3 #define PCI_POWERSTATE_D3_COLD 4 #define PCI_POWERSTATE_D3 PCI_POWERSTATE_D3_COLD +#define PCI_POWERSTATE_MAX PCI_POWERSTATE_D3_COLD +#define PCI_POWERSTATE_COUNT 5 #define PCI_POWERSTATE_UNKNOWN -1 +static __inline const char * +pci_powerstate_to_str(int state) +{ + const char *strs[PCI_POWERSTATE_COUNT] = {"D0", "D1", "D2", "D3hot", + "D3cold"}; + + MPASS(state >= PCI_POWERSTATE_D0 && state <= PCI_POWERSTATE_MAX); + return (strs[state]); +} + static __inline int pci_set_powerstate(device_t dev, int state) { |