From 34d03419f03bcfdf70d9617a9b90b60c93482c4a Mon Sep 17 00:00:00 2001 From: Kristen Carlson Accardi Date: Tue, 9 Jan 2007 13:02:36 -0800 Subject: PCIEHP: Add Electro Mechanical Interlock (EMI) support to the PCIE hotplug driver. Signed-off-by: Kristen Carlson Accardi Signed-off-by: Greg Kroah-Hartman --- drivers/pci/hotplug/pciehp.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/pci/hotplug/pciehp.h') diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 927dba9..d19fcae 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -69,6 +69,7 @@ struct slot { struct hotplug_slot *hotplug_slot; struct list_head slot_list; char name[SLOT_NAME_SIZE]; + unsigned long last_emi_toggle; }; struct event_info { @@ -138,6 +139,7 @@ struct controller { #define ATTN_LED_PRSN 0x00000008 #define PWR_LED_PRSN 0x00000010 #define HP_SUPR_RM_SUP 0x00000020 +#define EMI_PRSN 0x00020000 #define ATTN_BUTTN(cap) (cap & ATTN_BUTTN_PRSN) #define POWER_CTRL(cap) (cap & PWR_CTRL_PRSN) @@ -145,6 +147,7 @@ struct controller { #define ATTN_LED(cap) (cap & ATTN_LED_PRSN) #define PWR_LED(cap) (cap & PWR_LED_PRSN) #define HP_SUPR_RM(cap) (cap & HP_SUPR_RM_SUP) +#define EMI(cap) (cap & EMI_PRSN) extern int pciehp_event_start_thread(void); extern void pciehp_event_stop_thread(void); @@ -182,6 +185,8 @@ struct hpc_ops { int (*set_attention_status)(struct slot *slot, u8 status); int (*get_latch_status)(struct slot *slot, u8 *status); int (*get_adapter_status)(struct slot *slot, u8 *status); + int (*get_emi_status)(struct slot *slot, u8 *status); + int (*toggle_emi)(struct slot *slot); int (*get_max_bus_speed)(struct slot *slot, enum pci_bus_speed *speed); int (*get_cur_bus_speed)(struct slot *slot, enum pci_bus_speed *speed); int (*get_max_lnk_width)(struct slot *slot, enum pcie_link_width *val); -- cgit v1.1