diff options
Diffstat (limited to 'drivers/pci/hotplug/pciehp.h')
-rw-r--r-- | drivers/pci/hotplug/pciehp.h | 134 |
1 files changed, 34 insertions, 100 deletions
diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 061ead21ef14..6a61b9f286e1 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h | |||
@@ -32,8 +32,6 @@ | |||
32 | #include <linux/types.h> | 32 | #include <linux/types.h> |
33 | #include <linux/pci.h> | 33 | #include <linux/pci.h> |
34 | #include <linux/delay.h> | 34 | #include <linux/delay.h> |
35 | #include <asm/semaphore.h> | ||
36 | #include <asm/io.h> | ||
37 | #include <linux/pcieport_if.h> | 35 | #include <linux/pcieport_if.h> |
38 | #include "pci_hotplug.h" | 36 | #include "pci_hotplug.h" |
39 | 37 | ||
@@ -42,6 +40,7 @@ | |||
42 | extern int pciehp_poll_mode; | 40 | extern int pciehp_poll_mode; |
43 | extern int pciehp_poll_time; | 41 | extern int pciehp_poll_time; |
44 | extern int pciehp_debug; | 42 | extern int pciehp_debug; |
43 | extern int pciehp_force; | ||
45 | 44 | ||
46 | /*#define dbg(format, arg...) do { if (pciehp_debug) printk(KERN_DEBUG "%s: " format, MY_NAME , ## arg); } while (0)*/ | 45 | /*#define dbg(format, arg...) do { if (pciehp_debug) printk(KERN_DEBUG "%s: " format, MY_NAME , ## arg); } while (0)*/ |
47 | #define dbg(format, arg...) do { if (pciehp_debug) printk("%s: " format, MY_NAME , ## arg); } while (0) | 46 | #define dbg(format, arg...) do { if (pciehp_debug) printk("%s: " format, MY_NAME , ## arg); } while (0) |
@@ -49,25 +48,11 @@ extern int pciehp_debug; | |||
49 | #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg) | 48 | #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME , ## arg) |
50 | #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg) | 49 | #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME , ## arg) |
51 | 50 | ||
52 | struct pci_func { | 51 | struct hotplug_params { |
53 | struct pci_func *next; | 52 | u8 cache_line_size; |
54 | u8 bus; | 53 | u8 latency_timer; |
55 | u8 device; | 54 | u8 enable_serr; |
56 | u8 function; | 55 | u8 enable_perr; |
57 | u8 is_a_board; | ||
58 | u16 status; | ||
59 | u8 configured; | ||
60 | u8 switch_save; | ||
61 | u8 presence_save; | ||
62 | u32 base_length[0x06]; | ||
63 | u8 base_type[0x06]; | ||
64 | u16 reserved2; | ||
65 | u32 config_space[0x20]; | ||
66 | struct pci_resource *mem_head; | ||
67 | struct pci_resource *p_mem_head; | ||
68 | struct pci_resource *io_head; | ||
69 | struct pci_resource *bus_head; | ||
70 | struct pci_dev* pci_dev; | ||
71 | }; | 56 | }; |
72 | 57 | ||
73 | struct slot { | 58 | struct slot { |
@@ -75,13 +60,7 @@ struct slot { | |||
75 | u8 bus; | 60 | u8 bus; |
76 | u8 device; | 61 | u8 device; |
77 | u32 number; | 62 | u32 number; |
78 | u8 is_a_board; | ||
79 | u8 configured; | ||
80 | u8 state; | 63 | u8 state; |
81 | u8 switch_save; | ||
82 | u8 presence_save; | ||
83 | u32 capabilities; | ||
84 | u16 reserved2; | ||
85 | struct timer_list task_event; | 64 | struct timer_list task_event; |
86 | u8 hp_slot; | 65 | u8 hp_slot; |
87 | struct controller *ctrl; | 66 | struct controller *ctrl; |
@@ -90,42 +69,47 @@ struct slot { | |||
90 | struct list_head slot_list; | 69 | struct list_head slot_list; |
91 | }; | 70 | }; |
92 | 71 | ||
93 | struct pci_resource { | ||
94 | struct pci_resource * next; | ||
95 | u32 base; | ||
96 | u32 length; | ||
97 | }; | ||
98 | |||
99 | struct event_info { | 72 | struct event_info { |
100 | u32 event_type; | 73 | u32 event_type; |
101 | u8 hp_slot; | 74 | u8 hp_slot; |
102 | }; | 75 | }; |
103 | 76 | ||
77 | typedef u8(*php_intr_callback_t) (u8 hp_slot, void *instance_id); | ||
78 | |||
79 | struct php_ctlr_state_s { | ||
80 | struct php_ctlr_state_s *pnext; | ||
81 | struct pci_dev *pci_dev; | ||
82 | unsigned int irq; | ||
83 | unsigned long flags; /* spinlock's */ | ||
84 | u32 slot_device_offset; | ||
85 | u32 num_slots; | ||
86 | struct timer_list int_poll_timer; /* Added for poll event */ | ||
87 | php_intr_callback_t attention_button_callback; | ||
88 | php_intr_callback_t switch_change_callback; | ||
89 | php_intr_callback_t presence_change_callback; | ||
90 | php_intr_callback_t power_fault_callback; | ||
91 | void *callback_instance_id; | ||
92 | struct ctrl_reg *creg; /* Ptr to controller register space */ | ||
93 | }; | ||
94 | |||
95 | #define MAX_EVENTS 10 | ||
104 | struct controller { | 96 | struct controller { |
105 | struct controller *next; | 97 | struct controller *next; |
106 | struct semaphore crit_sect; /* critical section semaphore */ | 98 | struct semaphore crit_sect; /* critical section semaphore */ |
107 | void *hpc_ctlr_handle; /* HPC controller handle */ | 99 | struct php_ctlr_state_s *hpc_ctlr_handle; /* HPC controller handle */ |
108 | int num_slots; /* Number of slots on ctlr */ | 100 | int num_slots; /* Number of slots on ctlr */ |
109 | int slot_num_inc; /* 1 or -1 */ | 101 | int slot_num_inc; /* 1 or -1 */ |
110 | struct pci_resource *mem_head; | ||
111 | struct pci_resource *p_mem_head; | ||
112 | struct pci_resource *io_head; | ||
113 | struct pci_resource *bus_head; | ||
114 | struct pci_dev *pci_dev; | 102 | struct pci_dev *pci_dev; |
115 | struct pci_bus *pci_bus; | 103 | struct pci_bus *pci_bus; |
116 | struct event_info event_queue[10]; | 104 | struct event_info event_queue[MAX_EVENTS]; |
117 | struct slot *slot; | 105 | struct slot *slot; |
118 | struct hpc_ops *hpc_ops; | 106 | struct hpc_ops *hpc_ops; |
119 | wait_queue_head_t queue; /* sleep & wake process */ | 107 | wait_queue_head_t queue; /* sleep & wake process */ |
120 | u8 next_event; | 108 | u8 next_event; |
121 | u8 seg; | ||
122 | u8 bus; | 109 | u8 bus; |
123 | u8 device; | 110 | u8 device; |
124 | u8 function; | 111 | u8 function; |
125 | u8 rev; | ||
126 | u8 slot_device_offset; | 112 | u8 slot_device_offset; |
127 | u8 add_support; | ||
128 | enum pci_bus_speed speed; | ||
129 | u32 first_slot; /* First physical slot number */ /* PCIE only has 1 slot */ | 113 | u32 first_slot; /* First physical slot number */ /* PCIE only has 1 slot */ |
130 | u8 slot_bus; /* Bus where the slots handled by this controller sit */ | 114 | u8 slot_bus; /* Bus where the slots handled by this controller sit */ |
131 | u8 ctrlcap; | 115 | u8 ctrlcap; |
@@ -133,20 +117,6 @@ struct controller { | |||
133 | u8 cap_base; | 117 | u8 cap_base; |
134 | }; | 118 | }; |
135 | 119 | ||
136 | struct irq_mapping { | ||
137 | u8 barber_pole; | ||
138 | u8 valid_INT; | ||
139 | u8 interrupt[4]; | ||
140 | }; | ||
141 | |||
142 | struct resource_lists { | ||
143 | struct pci_resource *mem_head; | ||
144 | struct pci_resource *p_mem_head; | ||
145 | struct pci_resource *io_head; | ||
146 | struct pci_resource *bus_head; | ||
147 | struct irq_mapping *irqs; | ||
148 | }; | ||
149 | |||
150 | #define INT_BUTTON_IGNORE 0 | 120 | #define INT_BUTTON_IGNORE 0 |
151 | #define INT_PRESENCE_ON 1 | 121 | #define INT_PRESENCE_ON 1 |
152 | #define INT_PRESENCE_OFF 2 | 122 | #define INT_PRESENCE_OFF 2 |
@@ -200,21 +170,14 @@ struct resource_lists { | |||
200 | * error Messages | 170 | * error Messages |
201 | */ | 171 | */ |
202 | #define msg_initialization_err "Initialization failure, error=%d\n" | 172 | #define msg_initialization_err "Initialization failure, error=%d\n" |
203 | #define msg_HPC_rev_error "Unsupported revision of the PCI hot plug controller found.\n" | ||
204 | #define msg_HPC_non_pcie "The PCI hot plug controller is not supported by this driver.\n" | ||
205 | #define msg_HPC_not_supported "This system is not supported by this version of pciephd module. Upgrade to a newer version of pciehpd\n" | ||
206 | #define msg_unable_to_save "Unable to store PCI hot plug add resource information. This system must be rebooted before adding any PCI devices.\n" | ||
207 | #define msg_button_on "PCI slot #%d - powering on due to button press.\n" | 173 | #define msg_button_on "PCI slot #%d - powering on due to button press.\n" |
208 | #define msg_button_off "PCI slot #%d - powering off due to button press.\n" | 174 | #define msg_button_off "PCI slot #%d - powering off due to button press.\n" |
209 | #define msg_button_cancel "PCI slot #%d - action canceled due to button press.\n" | 175 | #define msg_button_cancel "PCI slot #%d - action canceled due to button press.\n" |
210 | #define msg_button_ignore "PCI slot #%d - button press ignored. (action in progress...)\n" | 176 | #define msg_button_ignore "PCI slot #%d - button press ignored. (action in progress...)\n" |
211 | 177 | ||
212 | /* controller functions */ | 178 | /* controller functions */ |
213 | extern int pciehprm_find_available_resources (struct controller *ctrl); | ||
214 | extern int pciehp_event_start_thread (void); | 179 | extern int pciehp_event_start_thread (void); |
215 | extern void pciehp_event_stop_thread (void); | 180 | extern void pciehp_event_stop_thread (void); |
216 | extern struct pci_func *pciehp_slot_create (unsigned char busnumber); | ||
217 | extern struct pci_func *pciehp_slot_find (unsigned char bus, unsigned char device, unsigned char index); | ||
218 | extern int pciehp_enable_slot (struct slot *slot); | 181 | extern int pciehp_enable_slot (struct slot *slot); |
219 | extern int pciehp_disable_slot (struct slot *slot); | 182 | extern int pciehp_disable_slot (struct slot *slot); |
220 | 183 | ||
@@ -224,25 +187,17 @@ extern u8 pciehp_handle_presence_change (u8 hp_slot, void *inst_id); | |||
224 | extern u8 pciehp_handle_power_fault (u8 hp_slot, void *inst_id); | 187 | extern u8 pciehp_handle_power_fault (u8 hp_slot, void *inst_id); |
225 | /* extern void long_delay (int delay); */ | 188 | /* extern void long_delay (int delay); */ |
226 | 189 | ||
227 | /* resource functions */ | ||
228 | extern int pciehp_resource_sort_and_combine (struct pci_resource **head); | ||
229 | |||
230 | /* pci functions */ | 190 | /* pci functions */ |
231 | extern int pciehp_set_irq (u8 bus_num, u8 dev_num, u8 int_pin, u8 irq_num); | 191 | extern int pciehp_configure_device (struct slot *p_slot); |
232 | /*extern int pciehp_get_bus_dev (struct controller *ctrl, u8 *bus_num, u8 *dev_num, struct slot *slot);*/ | 192 | extern int pciehp_unconfigure_device (struct slot *p_slot); |
233 | extern int pciehp_save_config (struct controller *ctrl, int busnumber, int num_ctlr_slots, int first_device_num); | 193 | extern int pciehp_get_hp_hw_control_from_firmware(struct pci_dev *dev); |
234 | extern int pciehp_save_used_resources (struct controller *ctrl, struct pci_func * func, int flag); | 194 | extern void pciehp_get_hp_params_from_firmware(struct pci_dev *dev, |
235 | extern int pciehp_save_slot_config (struct controller *ctrl, struct pci_func * new_slot); | 195 | struct hotplug_params *hpp); |
236 | extern void pciehp_destroy_board_resources (struct pci_func * func); | 196 | |
237 | extern int pciehp_return_board_resources (struct pci_func * func, struct resource_lists * resources); | ||
238 | extern void pciehp_destroy_resource_list (struct resource_lists * resources); | ||
239 | extern int pciehp_configure_device (struct controller* ctrl, struct pci_func* func); | ||
240 | extern int pciehp_unconfigure_device (struct pci_func* func); | ||
241 | 197 | ||
242 | 198 | ||
243 | /* Global variables */ | 199 | /* Global variables */ |
244 | extern struct controller *pciehp_ctrl_list; | 200 | extern struct controller *pciehp_ctrl_list; |
245 | extern struct pci_func *pciehp_slot_list[256]; | ||
246 | 201 | ||
247 | /* Inline functions */ | 202 | /* Inline functions */ |
248 | 203 | ||
@@ -252,12 +207,9 @@ static inline struct slot *pciehp_find_slot(struct controller *ctrl, u8 device) | |||
252 | 207 | ||
253 | p_slot = ctrl->slot; | 208 | p_slot = ctrl->slot; |
254 | 209 | ||
255 | dbg("p_slot = %p\n", p_slot); | ||
256 | |||
257 | while (p_slot && (p_slot->device != device)) { | 210 | while (p_slot && (p_slot->device != device)) { |
258 | tmp_slot = p_slot; | 211 | tmp_slot = p_slot; |
259 | p_slot = p_slot->next; | 212 | p_slot = p_slot->next; |
260 | dbg("In while loop, p_slot = %p\n", p_slot); | ||
261 | } | 213 | } |
262 | if (p_slot == NULL) { | 214 | if (p_slot == NULL) { |
263 | err("ERROR: pciehp_find_slot device=0x%x\n", device); | 215 | err("ERROR: pciehp_find_slot device=0x%x\n", device); |
@@ -273,7 +225,6 @@ static inline int wait_for_ctrl_irq(struct controller *ctrl) | |||
273 | 225 | ||
274 | DECLARE_WAITQUEUE(wait, current); | 226 | DECLARE_WAITQUEUE(wait, current); |
275 | 227 | ||
276 | dbg("%s : start\n", __FUNCTION__); | ||
277 | add_wait_queue(&ctrl->queue, &wait); | 228 | add_wait_queue(&ctrl->queue, &wait); |
278 | if (!pciehp_poll_mode) | 229 | if (!pciehp_poll_mode) |
279 | /* Sleep for up to 1 second */ | 230 | /* Sleep for up to 1 second */ |
@@ -285,19 +236,9 @@ static inline int wait_for_ctrl_irq(struct controller *ctrl) | |||
285 | if (signal_pending(current)) | 236 | if (signal_pending(current)) |
286 | retval = -EINTR; | 237 | retval = -EINTR; |
287 | 238 | ||
288 | dbg("%s : end\n", __FUNCTION__); | ||
289 | return retval; | 239 | return retval; |
290 | } | 240 | } |
291 | 241 | ||
292 | /* Puts node back in the resource list pointed to by head */ | ||
293 | static inline void return_resource(struct pci_resource **head, struct pci_resource *node) | ||
294 | { | ||
295 | if (!node || !head) | ||
296 | return; | ||
297 | node->next = *head; | ||
298 | *head = node; | ||
299 | } | ||
300 | |||
301 | #define SLOT_NAME_SIZE 10 | 242 | #define SLOT_NAME_SIZE 10 |
302 | 243 | ||
303 | static inline void make_slot_name(char *buffer, int buffer_size, struct slot *slot) | 244 | static inline void make_slot_name(char *buffer, int buffer_size, struct slot *slot) |
@@ -311,14 +252,7 @@ enum php_ctlr_type { | |||
311 | ACPI | 252 | ACPI |
312 | }; | 253 | }; |
313 | 254 | ||
314 | typedef u8(*php_intr_callback_t) (unsigned int change_id, void *instance_id); | 255 | int pcie_init(struct controller *ctrl, struct pcie_device *dev); |
315 | |||
316 | int pcie_init(struct controller *ctrl, struct pcie_device *dev, | ||
317 | php_intr_callback_t attention_button_callback, | ||
318 | php_intr_callback_t switch_change_callback, | ||
319 | php_intr_callback_t presence_change_callback, | ||
320 | php_intr_callback_t power_fault_callback); | ||
321 | |||
322 | 256 | ||
323 | /* This has no meaning for PCI Express, as there is only 1 slot per port */ | 257 | /* This has no meaning for PCI Express, as there is only 1 slot per port */ |
324 | int pcie_get_ctlr_slot_config(struct controller *ctrl, | 258 | int pcie_get_ctlr_slot_config(struct controller *ctrl, |