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PCIEHP: Add Electro Mechanical Interlock (EMI) support to the PCIE hotplug driver.

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Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Kristen Carlson Accardi
2007-01-09 13:02:36 -08:00
committed by Greg Kroah-Hartman
parent 262303fe32
commit 34d03419f0
3 changed files with 163 additions and 0 deletions
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5
drivers/pci/hotplug/pciehp.h
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@ -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);