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path: root/drivers/pci/hotplug/cpqphp.h
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Diffstat (limited to 'drivers/pci/hotplug/cpqphp.h')
-rw-r--r--drivers/pci/hotplug/cpqphp.h187
1 files changed, 100 insertions, 87 deletions
diff --git a/drivers/pci/hotplug/cpqphp.h b/drivers/pci/hotplug/cpqphp.h
index 298ad7f3f4f..0450f405807 100644
--- a/drivers/pci/hotplug/cpqphp.h
+++ b/drivers/pci/hotplug/cpqphp.h
@@ -32,6 +32,7 @@
#include <asm/io.h> /* for read? and write? functions */
#include <linux/delay.h> /* for delays */
#include <linux/mutex.h>
+#include <linux/sched.h> /* for signal_pending() */
#define MY_NAME "cpqphp"
@@ -150,25 +151,25 @@ struct ctrl_reg { /* offset */
/* offsets to the controller registers based on the above structure layout */
enum ctrl_offsets {
- SLOT_RST = offsetof(struct ctrl_reg, slot_RST),
+ SLOT_RST = offsetof(struct ctrl_reg, slot_RST),
SLOT_ENABLE = offsetof(struct ctrl_reg, slot_enable),
MISC = offsetof(struct ctrl_reg, misc),
LED_CONTROL = offsetof(struct ctrl_reg, led_control),
INT_INPUT_CLEAR = offsetof(struct ctrl_reg, int_input_clear),
- INT_MASK = offsetof(struct ctrl_reg, int_mask),
- CTRL_RESERVED0 = offsetof(struct ctrl_reg, reserved0),
+ INT_MASK = offsetof(struct ctrl_reg, int_mask),
+ CTRL_RESERVED0 = offsetof(struct ctrl_reg, reserved0),
CTRL_RESERVED1 = offsetof(struct ctrl_reg, reserved1),
CTRL_RESERVED2 = offsetof(struct ctrl_reg, reserved1),
- GEN_OUTPUT_AB = offsetof(struct ctrl_reg, gen_output_AB),
- NON_INT_INPUT = offsetof(struct ctrl_reg, non_int_input),
+ GEN_OUTPUT_AB = offsetof(struct ctrl_reg, gen_output_AB),
+ NON_INT_INPUT = offsetof(struct ctrl_reg, non_int_input),
CTRL_RESERVED3 = offsetof(struct ctrl_reg, reserved3),
CTRL_RESERVED4 = offsetof(struct ctrl_reg, reserved4),
CTRL_RESERVED5 = offsetof(struct ctrl_reg, reserved5),
CTRL_RESERVED6 = offsetof(struct ctrl_reg, reserved6),
CTRL_RESERVED7 = offsetof(struct ctrl_reg, reserved7),
CTRL_RESERVED8 = offsetof(struct ctrl_reg, reserved8),
- SLOT_MASK = offsetof(struct ctrl_reg, slot_mask),
- CTRL_RESERVED9 = offsetof(struct ctrl_reg, reserved9),
+ SLOT_MASK = offsetof(struct ctrl_reg, slot_mask),
+ CTRL_RESERVED9 = offsetof(struct ctrl_reg, reserved9),
CTRL_RESERVED10 = offsetof(struct ctrl_reg, reserved10),
CTRL_RESERVED11 = offsetof(struct ctrl_reg, reserved11),
SLOT_SERR = offsetof(struct ctrl_reg, slot_SERR),
@@ -190,7 +191,9 @@ struct hrt {
u32 reserved2;
} __attribute__ ((packed));
-/* offsets to the hotplug resource table registers based on the above structure layout */
+/* offsets to the hotplug resource table registers based on the above
+ * structure layout
+ */
enum hrt_offsets {
SIG0 = offsetof(struct hrt, sig0),
SIG1 = offsetof(struct hrt, sig1),
@@ -217,18 +220,20 @@ struct slot_rt {
u16 pre_mem_length;
} __attribute__ ((packed));
-/* offsets to the hotplug slot resource table registers based on the above structure layout */
+/* offsets to the hotplug slot resource table registers based on the above
+ * structure layout
+ */
enum slot_rt_offsets {
DEV_FUNC = offsetof(struct slot_rt, dev_func),
- PRIMARY_BUS = offsetof(struct slot_rt, primary_bus),
- SECONDARY_BUS = offsetof(struct slot_rt, secondary_bus),
- MAX_BUS = offsetof(struct slot_rt, max_bus),
- IO_BASE = offsetof(struct slot_rt, io_base),
- IO_LENGTH = offsetof(struct slot_rt, io_length),
- MEM_BASE = offsetof(struct slot_rt, mem_base),
- MEM_LENGTH = offsetof(struct slot_rt, mem_length),
- PRE_MEM_BASE = offsetof(struct slot_rt, pre_mem_base),
- PRE_MEM_LENGTH = offsetof(struct slot_rt, pre_mem_length),
+ PRIMARY_BUS = offsetof(struct slot_rt, primary_bus),
+ SECONDARY_BUS = offsetof(struct slot_rt, secondary_bus),
+ MAX_BUS = offsetof(struct slot_rt, max_bus),
+ IO_BASE = offsetof(struct slot_rt, io_base),
+ IO_LENGTH = offsetof(struct slot_rt, io_length),
+ MEM_BASE = offsetof(struct slot_rt, mem_base),
+ MEM_LENGTH = offsetof(struct slot_rt, mem_length),
+ PRE_MEM_BASE = offsetof(struct slot_rt, pre_mem_base),
+ PRE_MEM_LENGTH = offsetof(struct slot_rt, pre_mem_length),
};
struct pci_func {
@@ -250,7 +255,7 @@ struct pci_func {
struct pci_resource *io_head;
struct pci_resource *bus_head;
struct timer_list *p_task_event;
- struct pci_dev* pci_dev;
+ struct pci_dev *pci_dev;
};
struct slot {
@@ -273,7 +278,7 @@ struct slot {
};
struct pci_resource {
- struct pci_resource * next;
+ struct pci_resource *next;
u32 base;
u32 length;
};
@@ -286,8 +291,8 @@ struct event_info {
struct controller {
struct controller *next;
u32 ctrl_int_comp;
- struct mutex crit_sect; /* critical section mutex */
- void __iomem *hpc_reg; /* cookie for our pci controller location */
+ struct mutex crit_sect; /* critical section mutex */
+ void __iomem *hpc_reg; /* cookie for our pci controller location */
struct pci_resource *mem_head;
struct pci_resource *p_mem_head;
struct pci_resource *io_head;
@@ -299,14 +304,12 @@ struct controller {
u8 next_event;
u8 interrupt;
u8 cfgspc_irq;
- u8 bus; /* bus number for the pci hotplug controller */
+ u8 bus; /* bus number for the pci hotplug controller */
u8 rev;
u8 slot_device_offset;
u8 first_slot;
u8 add_support;
u8 push_flag;
- enum pci_bus_speed speed;
- enum pci_bus_speed speed_capability;
u8 push_button; /* 0 = no pushbutton, 1 = pushbutton present */
u8 slot_switch_type; /* 0 = no switch, 1 = switch present */
u8 defeature_PHP; /* 0 = PHP not supported, 1 = PHP supported */
@@ -401,46 +404,51 @@ struct resource_lists {
/* debugfs functions for the hotplug controller info */
-extern void cpqhp_initialize_debugfs (void);
-extern void cpqhp_shutdown_debugfs (void);
-extern void cpqhp_create_debugfs_files (struct controller *ctrl);
-extern void cpqhp_remove_debugfs_files (struct controller *ctrl);
+void cpqhp_initialize_debugfs(void);
+void cpqhp_shutdown_debugfs(void);
+void cpqhp_create_debugfs_files(struct controller *ctrl);
+void cpqhp_remove_debugfs_files(struct controller *ctrl);
/* controller functions */
-extern void cpqhp_pushbutton_thread (unsigned long event_pointer);
-extern irqreturn_t cpqhp_ctrl_intr (int IRQ, void *data);
-extern int cpqhp_find_available_resources (struct controller *ctrl, void __iomem *rom_start);
-extern int cpqhp_event_start_thread (void);
-extern void cpqhp_event_stop_thread (void);
-extern struct pci_func *cpqhp_slot_create (unsigned char busnumber);
-extern struct pci_func *cpqhp_slot_find (unsigned char bus, unsigned char device, unsigned char index);
-extern int cpqhp_process_SI (struct controller *ctrl, struct pci_func *func);
-extern int cpqhp_process_SS (struct controller *ctrl, struct pci_func *func);
-extern int cpqhp_hardware_test (struct controller *ctrl, int test_num);
+void cpqhp_pushbutton_thread(unsigned long event_pointer);
+irqreturn_t cpqhp_ctrl_intr(int IRQ, void *data);
+int cpqhp_find_available_resources(struct controller *ctrl,
+ void __iomem *rom_start);
+int cpqhp_event_start_thread(void);
+void cpqhp_event_stop_thread(void);
+struct pci_func *cpqhp_slot_create(unsigned char busnumber);
+struct pci_func *cpqhp_slot_find(unsigned char bus, unsigned char device,
+ unsigned char index);
+int cpqhp_process_SI(struct controller *ctrl, struct pci_func *func);
+int cpqhp_process_SS(struct controller *ctrl, struct pci_func *func);
+int cpqhp_hardware_test(struct controller *ctrl, int test_num);
/* resource functions */
-extern int cpqhp_resource_sort_and_combine (struct pci_resource **head);
+int cpqhp_resource_sort_and_combine (struct pci_resource **head);
/* pci functions */
-extern int cpqhp_set_irq (u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num);
-extern int cpqhp_get_bus_dev (struct controller *ctrl, u8 *bus_num, u8 *dev_num, u8 slot);
-extern int cpqhp_save_config (struct controller *ctrl, int busnumber, int is_hot_plug);
-extern int cpqhp_save_base_addr_length (struct controller *ctrl, struct pci_func * func);
-extern int cpqhp_save_used_resources (struct controller *ctrl, struct pci_func * func);
-extern int cpqhp_configure_board (struct controller *ctrl, struct pci_func * func);
-extern int cpqhp_save_slot_config (struct controller *ctrl, struct pci_func * new_slot);
-extern int cpqhp_valid_replace (struct controller *ctrl, struct pci_func * func);
-extern void cpqhp_destroy_board_resources (struct pci_func * func);
-extern int cpqhp_return_board_resources (struct pci_func * func, struct resource_lists * resources);
-extern void cpqhp_destroy_resource_list (struct resource_lists * resources);
-extern int cpqhp_configure_device (struct controller* ctrl, struct pci_func* func);
-extern int cpqhp_unconfigure_device (struct pci_func* func);
+int cpqhp_set_irq(u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num);
+int cpqhp_get_bus_dev(struct controller *ctrl, u8 *bus_num, u8 *dev_num,
+ u8 slot);
+int cpqhp_save_config(struct controller *ctrl, int busnumber, int is_hot_plug);
+int cpqhp_save_base_addr_length(struct controller *ctrl, struct pci_func *func);
+int cpqhp_save_used_resources(struct controller *ctrl, struct pci_func *func);
+int cpqhp_configure_board(struct controller *ctrl, struct pci_func *func);
+int cpqhp_save_slot_config(struct controller *ctrl, struct pci_func *new_slot);
+int cpqhp_valid_replace(struct controller *ctrl, struct pci_func *func);
+void cpqhp_destroy_board_resources(struct pci_func *func);
+int cpqhp_return_board_resources(struct pci_func *func,
+ struct resource_lists *resources);
+void cpqhp_destroy_resource_list(struct resource_lists *resources);
+int cpqhp_configure_device(struct controller *ctrl, struct pci_func *func);
+int cpqhp_unconfigure_device(struct pci_func *func);
/* Global variables */
extern int cpqhp_debug;
extern int cpqhp_legacy_mode;
extern struct controller *cpqhp_ctrl_list;
extern struct pci_func *cpqhp_slot_list[256];
+extern struct irq_routing_table *cpqhp_routing_table;
/* these can be gotten rid of, but for debugging they are purty */
extern u8 cpqhp_nic_irq;
@@ -449,13 +457,18 @@ extern u8 cpqhp_disk_irq;
/* inline functions */
+static inline const char *slot_name(struct slot *slot)
+{
+ return hotplug_slot_name(slot->hotplug_slot);
+}
+
/*
* return_resource
*
* Puts node back in the resource list pointed to by head
- *
*/
-static inline void return_resource(struct pci_resource **head, struct pci_resource *node)
+static inline void return_resource(struct pci_resource **head,
+ struct pci_resource *node)
{
if (!node || !head)
return;
@@ -466,7 +479,7 @@ static inline void return_resource(struct pci_resource **head, struct pci_resour
static inline void set_SOGO(struct controller *ctrl)
{
u16 misc;
-
+
misc = readw(ctrl->hpc_reg + MISC);
misc = (misc | 0x0001) & 0xFFFB;
writew(misc, ctrl->hpc_reg + MISC);
@@ -476,7 +489,7 @@ static inline void set_SOGO(struct controller *ctrl)
static inline void amber_LED_on(struct controller *ctrl, u8 slot)
{
u32 led_control;
-
+
led_control = readl(ctrl->hpc_reg + LED_CONTROL);
led_control |= (0x01010000L << slot);
writel(led_control, ctrl->hpc_reg + LED_CONTROL);
@@ -486,7 +499,7 @@ static inline void amber_LED_on(struct controller *ctrl, u8 slot)
static inline void amber_LED_off(struct controller *ctrl, u8 slot)
{
u32 led_control;
-
+
led_control = readl(ctrl->hpc_reg + LED_CONTROL);
led_control &= ~(0x01010000L << slot);
writel(led_control, ctrl->hpc_reg + LED_CONTROL);
@@ -499,7 +512,7 @@ static inline int read_amber_LED(struct controller *ctrl, u8 slot)
led_control = readl(ctrl->hpc_reg + LED_CONTROL);
led_control &= (0x01010000L << slot);
-
+
return led_control ? 1 : 0;
}
@@ -507,7 +520,7 @@ static inline int read_amber_LED(struct controller *ctrl, u8 slot)
static inline void green_LED_on(struct controller *ctrl, u8 slot)
{
u32 led_control;
-
+
led_control = readl(ctrl->hpc_reg + LED_CONTROL);
led_control |= 0x0101L << slot;
writel(led_control, ctrl->hpc_reg + LED_CONTROL);
@@ -516,7 +529,7 @@ static inline void green_LED_on(struct controller *ctrl, u8 slot)
static inline void green_LED_off(struct controller *ctrl, u8 slot)
{
u32 led_control;
-
+
led_control = readl(ctrl->hpc_reg + LED_CONTROL);
led_control &= ~(0x0101L << slot);
writel(led_control, ctrl->hpc_reg + LED_CONTROL);
@@ -526,7 +539,7 @@ static inline void green_LED_off(struct controller *ctrl, u8 slot)
static inline void green_LED_blink(struct controller *ctrl, u8 slot)
{
u32 led_control;
-
+
led_control = readl(ctrl->hpc_reg + LED_CONTROL);
led_control &= ~(0x0101L << slot);
led_control |= (0x0001L << slot);
@@ -570,22 +583,21 @@ static inline u8 read_slot_enable(struct controller *ctrl)
}
-/*
+/**
* get_controller_speed - find the current frequency/mode of controller.
*
* @ctrl: controller to get frequency/mode for.
*
* Returns controller speed.
- *
*/
static inline u8 get_controller_speed(struct controller *ctrl)
{
u8 curr_freq;
- u16 misc;
-
+ u16 misc;
+
if (ctrl->pcix_support) {
curr_freq = readb(ctrl->hpc_reg + NEXT_CURR_FREQ);
- if ((curr_freq & 0xB0) == 0xB0)
+ if ((curr_freq & 0xB0) == 0xB0)
return PCI_SPEED_133MHz_PCIX;
if ((curr_freq & 0xA0) == 0xA0)
return PCI_SPEED_100MHz_PCIX;
@@ -597,19 +609,18 @@ static inline u8 get_controller_speed(struct controller *ctrl)
return PCI_SPEED_33MHz;
}
- misc = readw(ctrl->hpc_reg + MISC);
- return (misc & 0x0800) ? PCI_SPEED_66MHz : PCI_SPEED_33MHz;
+ misc = readw(ctrl->hpc_reg + MISC);
+ return (misc & 0x0800) ? PCI_SPEED_66MHz : PCI_SPEED_33MHz;
}
-
-/*
+
+/**
* get_adapter_speed - find the max supported frequency/mode of adapter.
*
* @ctrl: hotplug controller.
* @hp_slot: hotplug slot where adapter is installed.
*
* Returns adapter speed.
- *
*/
static inline u8 get_adapter_speed(struct controller *ctrl, u8 hp_slot)
{
@@ -667,14 +678,15 @@ static inline int get_slot_enabled(struct controller *ctrl, struct slot *slot)
}
-static inline int cpq_get_latch_status(struct controller *ctrl, struct slot *slot)
+static inline int cpq_get_latch_status(struct controller *ctrl,
+ struct slot *slot)
{
u32 status;
u8 hp_slot;
hp_slot = slot->device - ctrl->slot_device_offset;
dbg("%s: slot->device = %d, ctrl->slot_device_offset = %d \n",
- __FUNCTION__, slot->device, ctrl->slot_device_offset);
+ __func__, slot->device, ctrl->slot_device_offset);
status = (readl(ctrl->hpc_reg + INT_INPUT_CLEAR) & (0x01L << hp_slot));
@@ -682,7 +694,8 @@ static inline int cpq_get_latch_status(struct controller *ctrl, struct slot *slo
}
-static inline int get_presence_status(struct controller *ctrl, struct slot *slot)
+static inline int get_presence_status(struct controller *ctrl,
+ struct slot *slot)
{
int presence_save = 0;
u8 hp_slot;
@@ -691,25 +704,18 @@ static inline int get_presence_status(struct controller *ctrl, struct slot *slot
hp_slot = slot->device - ctrl->slot_device_offset;
tempdword = readl(ctrl->hpc_reg + INT_INPUT_CLEAR);
- presence_save = (int) ((((~tempdword) >> 23) | ((~tempdword) >> 15)) >> hp_slot) & 0x02;
+ presence_save = (int) ((((~tempdword) >> 23) | ((~tempdword) >> 15))
+ >> hp_slot) & 0x02;
return presence_save;
}
-#define SLOT_NAME_SIZE 10
-
-static inline void make_slot_name(char *buffer, int buffer_size, struct slot *slot)
-{
- snprintf(buffer, buffer_size, "%d", slot->number);
-}
-
-
static inline int wait_for_ctrl_irq(struct controller *ctrl)
{
DECLARE_WAITQUEUE(wait, current);
int retval = 0;
- dbg("%s - start\n", __FUNCTION__);
+ dbg("%s - start\n", __func__);
add_wait_queue(&ctrl->queue, &wait);
/* Sleep for up to 1 second to wait for the LED to change. */
msleep_interruptible(1000);
@@ -717,9 +723,16 @@ static inline int wait_for_ctrl_irq(struct controller *ctrl)
if (signal_pending(current))
retval = -EINTR;
- dbg("%s - end\n", __FUNCTION__);
+ dbg("%s - end\n", __func__);
return retval;
}
-#endif
+#include <asm/pci_x86.h>
+static inline int cpqhp_routing_table_length(void)
+{
+ BUG_ON(cpqhp_routing_table == NULL);
+ return ((cpqhp_routing_table->size - sizeof(struct irq_routing_table)) /
+ sizeof(struct irq_info));
+}
+#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 03:34:07 +0000