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Commit 81e7a536 authored by Rolf Eike Beer's avatar Rolf Eike Beer Committed by Greg Kroah-Hartman
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[PATCH] PCI Hotplug: ibmphp_core.c: coding style 

this is a cleanup patch for ibmphp_core.c. It does not change anything, it
only wraps long lines and removes spaces before opening braces of funtions.
Signed-off-by: default avatarRolf Eike Beer <eike-hotplug@sf-tec.de>
Signed-off-by: default avatarGreg Kroah-Hartman <greg@kroah.com>
parent 28034f43
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Showing with 433 additions and 357 deletions
drivers/pci/hotplug/ibmphp_core.c
View file @ 81e7a536
......@@ -59,7 +59,8 @@ MODULE_DESCRIPTION (DRIVER_DESC);
struct pci_bus *ibmphp_pci_bus;
static int max_slots;
static int irqs[16]; /* PIC mode IRQ's we're using so far (in case MPS tables don't provide default info for empty slots */
static int irqs[16]; /* PIC mode IRQ's we're using so far (in case MPS
* tables don't provide default info for empty slots */
static int init_flag;
......@@ -71,36 +72,40 @@ static inline int get_max_adapter_speed (struct hotplug_slot *hs, u8 *value)
return get_max_adapter_speed_1 (hs, value, 1);
}
*/
static inline int get_cur_bus_info (struct slot **sl)
static inline int get_cur_bus_info(struct slot **sl)
{
int rc = 1;
struct slot * slot_cur = *sl;
debug ("options = %x\n", slot_cur->ctrl->options);
debug ("revision = %x\n", slot_cur->ctrl->revision);
debug("options = %x\n", slot_cur->ctrl->options);
debug("revision = %x\n", slot_cur->ctrl->revision);
if (READ_BUS_STATUS (slot_cur->ctrl))
rc = ibmphp_hpc_readslot (slot_cur, READ_BUSSTATUS, NULL);
if (READ_BUS_STATUS(slot_cur->ctrl))
rc = ibmphp_hpc_readslot(slot_cur, READ_BUSSTATUS, NULL);
if (rc)
return rc;
slot_cur->bus_on->current_speed = CURRENT_BUS_SPEED (slot_cur->busstatus);
if (READ_BUS_MODE (slot_cur->ctrl))
slot_cur->bus_on->current_bus_mode = CURRENT_BUS_MODE (slot_cur->busstatus);
slot_cur->bus_on->current_speed = CURRENT_BUS_SPEED(slot_cur->busstatus);
if (READ_BUS_MODE(slot_cur->ctrl))
slot_cur->bus_on->current_bus_mode =
CURRENT_BUS_MODE(slot_cur->busstatus);
else
slot_cur->bus_on->current_bus_mode = 0xFF;
debug ("busstatus = %x, bus_speed = %x, bus_mode = %x\n", slot_cur->busstatus, slot_cur->bus_on->current_speed, slot_cur->bus_on->current_bus_mode);
debug("busstatus = %x, bus_speed = %x, bus_mode = %x\n",
slot_cur->busstatus,
slot_cur->bus_on->current_speed,
slot_cur->bus_on->current_bus_mode);
*sl = slot_cur;
return 0;
}
static inline int slot_update (struct slot **sl)
static inline int slot_update(struct slot **sl)
{
int rc;
rc = ibmphp_hpc_readslot (*sl, READ_ALLSTAT, NULL);
rc = ibmphp_hpc_readslot(*sl, READ_ALLSTAT, NULL);
if (rc)
return rc;
if (!init_flag)
......@@ -114,10 +119,10 @@ static int __init get_max_slots (void)
struct list_head * tmp;
u8 slot_count = 0;
list_for_each (tmp, &ibmphp_slot_head) {
slot_cur = list_entry (tmp, struct slot, ibm_slot_list);
list_for_each(tmp, &ibmphp_slot_head) {
slot_cur = list_entry(tmp, struct slot, ibm_slot_list);
/* sometimes the hot-pluggable slots start with 4 (not always from 1) */
slot_count = max (slot_count, slot_cur->number);
slot_count = max(slot_count, slot_cur->number);
}
return slot_count;
}
......@@ -128,46 +133,61 @@ static int __init get_max_slots (void)
* Parameters: struct slot
* Returns 0 or errors
*/
int ibmphp_init_devno (struct slot **cur_slot)
int ibmphp_init_devno(struct slot **cur_slot)
{
struct irq_routing_table *rtable;
int len;
int loop;
int i;
rtable = pcibios_get_irq_routing_table ();
rtable = pcibios_get_irq_routing_table();
if (!rtable) {
err ("no BIOS routing table...\n");
err("no BIOS routing table...\n");
return -ENOMEM;
}
len = (rtable->size - sizeof (struct irq_routing_table)) / sizeof (struct irq_info);
len = (rtable->size - sizeof(struct irq_routing_table)) /
sizeof(struct irq_info);
if (!len)
return -1;
for (loop = 0; loop < len; loop++) {
if ((*cur_slot)->number == rtable->slots[loop].slot) {
if ((*cur_slot)->bus == rtable->slots[loop].bus) {
(*cur_slot)->device = PCI_SLOT (rtable->slots[loop].devfn);
(*cur_slot)->device = PCI_SLOT(rtable->slots[loop].devfn);
for (i = 0; i < 4; i++)
(*cur_slot)->irq[i] = IO_APIC_get_PCI_irq_vector ((int) (*cur_slot)->bus, (int) (*cur_slot)->device, i);
debug ("(*cur_slot)->irq[0] = %x\n", (*cur_slot)->irq[0]);
debug ("(*cur_slot)->irq[1] = %x\n", (*cur_slot)->irq[1]);
debug ("(*cur_slot)->irq[2] = %x\n", (*cur_slot)->irq[2]);
debug ("(*cur_slot)->irq[3] = %x\n", (*cur_slot)->irq[3]);
debug ("rtable->exlusive_irqs = %x\n", rtable->exclusive_irqs);
debug ("rtable->slots[loop].irq[0].bitmap = %x\n", rtable->slots[loop].irq[0].bitmap);
debug ("rtable->slots[loop].irq[1].bitmap = %x\n", rtable->slots[loop].irq[1].bitmap);
debug ("rtable->slots[loop].irq[2].bitmap = %x\n", rtable->slots[loop].irq[2].bitmap);
debug ("rtable->slots[loop].irq[3].bitmap = %x\n", rtable->slots[loop].irq[3].bitmap);
debug ("rtable->slots[loop].irq[0].link= %x\n", rtable->slots[loop].irq[0].link);
debug ("rtable->slots[loop].irq[1].link = %x\n", rtable->slots[loop].irq[1].link);
debug ("rtable->slots[loop].irq[2].link = %x\n", rtable->slots[loop].irq[2].link);
debug ("rtable->slots[loop].irq[3].link = %x\n", rtable->slots[loop].irq[3].link);
debug ("end of init_devno\n");
(*cur_slot)->irq[i] = IO_APIC_get_PCI_irq_vector((int) (*cur_slot)->bus,
(int) (*cur_slot)->device, i);
debug("(*cur_slot)->irq[0] = %x\n",
(*cur_slot)->irq[0]);
debug("(*cur_slot)->irq[1] = %x\n",
(*cur_slot)->irq[1]);
debug("(*cur_slot)->irq[2] = %x\n",
(*cur_slot)->irq[2]);
debug("(*cur_slot)->irq[3] = %x\n",
(*cur_slot)->irq[3]);
debug("rtable->exlusive_irqs = %x\n",
rtable->exclusive_irqs);
debug("rtable->slots[loop].irq[0].bitmap = %x\n",
rtable->slots[loop].irq[0].bitmap);
debug("rtable->slots[loop].irq[1].bitmap = %x\n",
rtable->slots[loop].irq[1].bitmap);
debug("rtable->slots[loop].irq[2].bitmap = %x\n",
rtable->slots[loop].irq[2].bitmap);
debug("rtable->slots[loop].irq[3].bitmap = %x\n",
rtable->slots[loop].irq[3].bitmap);
debug("rtable->slots[loop].irq[0].link = %x\n",
rtable->slots[loop].irq[0].link);
debug("rtable->slots[loop].irq[1].link = %x\n",
rtable->slots[loop].irq[1].link);
debug("rtable->slots[loop].irq[2].link = %x\n",
rtable->slots[loop].irq[2].link);
debug("rtable->slots[loop].irq[3].link = %x\n",
rtable->slots[loop].irq[3].link);
debug("end of init_devno\n");
return 0;
}
}
......@@ -176,49 +196,50 @@ int ibmphp_init_devno (struct slot **cur_slot)
return -1;
}
static inline int power_on (struct slot *slot_cur)
static inline int power_on(struct slot *slot_cur)
{
u8 cmd = HPC_SLOT_ON;
int retval;
retval = ibmphp_hpc_writeslot (slot_cur, cmd);
retval = ibmphp_hpc_writeslot(slot_cur, cmd);
if (retval) {
err ("power on failed\n");
err("power on failed\n");
return retval;
}
if (CTLR_RESULT (slot_cur->ctrl->status)) {
err ("command not completed successfully in power_on\n");
if (CTLR_RESULT(slot_cur->ctrl->status)) {
err("command not completed successfully in power_on\n");
return -EIO;
}
msleep(3000); /* For ServeRAID cards, and some 66 PCI */
return 0;
}
static inline int power_off (struct slot *slot_cur)
static inline int power_off(struct slot *slot_cur)
{
u8 cmd = HPC_SLOT_OFF;
int retval;
retval = ibmphp_hpc_writeslot (slot_cur, cmd);
retval = ibmphp_hpc_writeslot(slot_cur, cmd);
if (retval) {
err ("power off failed\n");
err("power off failed\n");
return retval;
}
if (CTLR_RESULT (slot_cur->ctrl->status)) {
err ("command not completed successfully in power_off\n");
if (CTLR_RESULT(slot_cur->ctrl->status)) {
err("command not completed successfully in power_off\n");
retval = -EIO;
}
return retval;
}
static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 value)
static int set_attention_status(struct hotplug_slot *hotplug_slot, u8 value)
{
int rc = 0;
struct slot *pslot;
u8 cmd;
debug ("set_attention_status - Entry hotplug_slot[%lx] value[%x]\n", (ulong) hotplug_slot, value);
ibmphp_lock_operations ();
debug("set_attention_status - Entry hotplug_slot[%lx] value[%x]\n",
(ulong) hotplug_slot, value);
ibmphp_lock_operations();
cmd = 0x00; // avoid compiler warning
if (hotplug_slot) {
......@@ -234,7 +255,8 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 value)
break;
default:
rc = -ENODEV;
err ("set_attention_status - Error : invalid input [%x]\n", value);
err("set_attention_status - Error : invalid input [%x]\n",
value);
break;
}
if (rc == 0) {
......@@ -247,101 +269,118 @@ static int set_attention_status (struct hotplug_slot *hotplug_slot, u8 value)
} else
rc = -ENODEV;
ibmphp_unlock_operations ();
ibmphp_unlock_operations();
debug ("set_attention_status - Exit rc[%d]\n", rc);
debug("set_attention_status - Exit rc[%d]\n", rc);
return rc;
}
static int get_attention_status (struct hotplug_slot *hotplug_slot, u8 * value)
static int get_attention_status(struct hotplug_slot *hotplug_slot, u8 * value)
{
int rc = -ENODEV;
struct slot *pslot;
struct slot myslot;
debug ("get_attention_status - Entry hotplug_slot[%lx] pvalue[%lx]\n", (ulong) hotplug_slot, (ulong) value);
debug("get_attention_status - Entry hotplug_slot[%lx] pvalue[%lx]\n",
(ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations ();
ibmphp_lock_operations();
if (hotplug_slot && value) {
pslot = (struct slot *) hotplug_slot->private;
if (pslot) {
memcpy ((void *) &myslot, (void *) pslot, sizeof (struct slot));
rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS, &(myslot.status));
memcpy((void *) &myslot, (void *) pslot,
sizeof(struct slot));
rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS,
&(myslot.status));
if (!rc)
rc = ibmphp_hpc_readslot(pslot, READ_EXTSLOTSTATUS, &(myslot.ext_status));
rc = ibmphp_hpc_readslot(pslot,
READ_EXTSLOTSTATUS,
&(myslot.ext_status));
if (!rc)
*value = SLOT_ATTN (myslot.status, myslot.ext_status);
*value = SLOT_ATTN(myslot.status,
myslot.ext_status);
}
}
ibmphp_unlock_operations ();
ibmphp_unlock_operations();
debug("get_attention_status - Exit rc[%d] value[%x]\n", rc, *value);
return rc;
}
static int get_latch_status (struct hotplug_slot *hotplug_slot, u8 * value)
static int get_latch_status(struct hotplug_slot *hotplug_slot, u8 * value)
{
int rc = -ENODEV;
struct slot *pslot;
struct slot myslot;
debug ("get_latch_status - Entry hotplug_slot[%lx] pvalue[%lx]\n", (ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations ();
debug("get_latch_status - Entry hotplug_slot[%lx] pvalue[%lx]\n",
(ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations();
if (hotplug_slot && value) {
pslot = (struct slot *) hotplug_slot->private;
if (pslot) {
memcpy ((void *) &myslot, (void *) pslot, sizeof (struct slot));
rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS, &(myslot.status));
memcpy((void *) &myslot, (void *) pslot,
sizeof(struct slot));
rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS,
&(myslot.status));
if (!rc)
*value = SLOT_LATCH (myslot.status);
*value = SLOT_LATCH(myslot.status);
}
}
ibmphp_unlock_operations ();
debug("get_latch_status - Exit rc[%d] rc[%x] value[%x]\n", rc, rc, *value);
ibmphp_unlock_operations();
debug("get_latch_status - Exit rc[%d] rc[%x] value[%x]\n",
rc, rc, *value);
return rc;
}
static int get_power_status (struct hotplug_slot *hotplug_slot, u8 * value)
static int get_power_status(struct hotplug_slot *hotplug_slot, u8 * value)
{
int rc = -ENODEV;
struct slot *pslot;
struct slot myslot;
debug ("get_power_status - Entry hotplug_slot[%lx] pvalue[%lx]\n", (ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations ();
debug("get_power_status - Entry hotplug_slot[%lx] pvalue[%lx]\n",
(ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations();
if (hotplug_slot && value) {
pslot = (struct slot *) hotplug_slot->private;
if (pslot) {
memcpy ((void *) &myslot, (void *) pslot, sizeof (struct slot));
rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS, &(myslot.status));
memcpy((void *) &myslot, (void *) pslot,
sizeof(struct slot));
rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS,
&(myslot.status));
if (!rc)
*value = SLOT_PWRGD (myslot.status);
*value = SLOT_PWRGD(myslot.status);
}
}
ibmphp_unlock_operations ();
debug("get_power_status - Exit rc[%d] rc[%x] value[%x]\n", rc, rc, *value);
ibmphp_unlock_operations();
debug("get_power_status - Exit rc[%d] rc[%x] value[%x]\n",
rc, rc, *value);
return rc;
}
static int get_adapter_present (struct hotplug_slot *hotplug_slot, u8 * value)
static int get_adapter_present(struct hotplug_slot *hotplug_slot, u8 * value)
{
int rc = -ENODEV;
struct slot *pslot;
u8 present;
struct slot myslot;
debug ("get_adapter_status - Entry hotplug_slot[%lx] pvalue[%lx]\n", (ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations ();
debug("get_adapter_status - Entry hotplug_slot[%lx] pvalue[%lx]\n",
(ulong) hotplug_slot, (ulong) value);
ibmphp_lock_operations();
if (hotplug_slot && value) {
pslot = (struct slot *) hotplug_slot->private;
if (pslot) {
memcpy ((void *) &myslot, (void *) pslot, sizeof (struct slot));
rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS, &(myslot.status));
memcpy((void *) &myslot, (void *) pslot,
sizeof(struct slot));
rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS,
&(myslot.status));
if (!rc) {
present = SLOT_PRESENT (myslot.status);
present = SLOT_PRESENT(myslot.status);
if (present == HPC_SLOT_EMPTY)
*value = 0;
else
......@@ -350,21 +389,21 @@ static int get_adapter_present (struct hotplug_slot *hotplug_slot, u8 * value)
}
}
ibmphp_unlock_operations ();
ibmphp_unlock_operations();
debug("get_adapter_present - Exit rc[%d] value[%x]\n", rc, *value);
return rc;
}
static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
static int get_max_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
{
int rc = -ENODEV;
struct slot *pslot;
u8 mode = 0;
debug ("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __FUNCTION__,
debug("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __FUNCTION__,
hotplug_slot, value);
ibmphp_lock_operations ();
ibmphp_lock_operations();
if (hotplug_slot && value) {
pslot = (struct slot *) hotplug_slot->private;
......@@ -390,26 +429,26 @@ static int get_max_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
}
}
ibmphp_unlock_operations ();
debug ("%s - Exit rc[%d] value[%x]\n", __FUNCTION__, rc, *value);
ibmphp_unlock_operations();
debug("%s - Exit rc[%d] value[%x]\n", __FUNCTION__, rc, *value);
return rc;
}
static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
static int get_cur_bus_speed(struct hotplug_slot *hotplug_slot, enum pci_bus_speed *value)
{
int rc = -ENODEV;
struct slot *pslot;
u8 mode = 0;
debug ("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __FUNCTION__,
debug("%s - Entry hotplug_slot[%p] pvalue[%p]\n", __FUNCTION__,
hotplug_slot, value);
ibmphp_lock_operations ();
ibmphp_lock_operations();
if (hotplug_slot && value) {
pslot = (struct slot *) hotplug_slot->private;
if (pslot) {
rc = get_cur_bus_info (&pslot);
rc = get_cur_bus_info(&pslot);
if (!rc) {
mode = pslot->bus_on->current_bus_mode;
*value = pslot->bus_on->current_speed;
......@@ -436,121 +475,130 @@ static int get_cur_bus_speed (struct hotplug_slot *hotplug_slot, enum pci_bus_sp
}
}
ibmphp_unlock_operations ();
debug ("%s - Exit rc[%d] value[%x]\n", __FUNCTION__, rc, *value);
ibmphp_unlock_operations();
debug("%s - Exit rc[%d] value[%x]\n", __FUNCTION__, rc, *value);
return rc;
}
/*
static int get_max_adapter_speed_1 (struct hotplug_slot *hotplug_slot, u8 * value, u8 flag)
static int get_max_adapter_speed_1(struct hotplug_slot *hotplug_slot, u8 * value, u8 flag)
{
int rc = -ENODEV;
struct slot *pslot;
struct slot myslot;
debug ("get_max_adapter_speed_1 - Entry hotplug_slot[%lx] pvalue[%lx]\n", (ulong)hotplug_slot, (ulong) value);
debug("get_max_adapter_speed_1 - Entry hotplug_slot[%lx] pvalue[%lx]\n",
(ulong)hotplug_slot, (ulong) value);
if (flag)
ibmphp_lock_operations ();
ibmphp_lock_operations();
if (hotplug_slot && value) {
pslot = (struct slot *) hotplug_slot->private;
if (pslot) {
memcpy ((void *) &myslot, (void *) pslot, sizeof (struct slot));
rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS, &(myslot.status));
if (!(SLOT_LATCH (myslot.status)) && (SLOT_PRESENT (myslot.status))) {
rc = ibmphp_hpc_readslot(pslot, READ_EXTSLOTSTATUS, &(myslot.ext_status));
memcpy((void *) &myslot, (void *) pslot,
sizeof(struct slot));
rc = ibmphp_hpc_readslot(pslot, READ_SLOTSTATUS,
&(myslot.status));
if (!(SLOT_LATCH (myslot.status)) &&
(SLOT_PRESENT (myslot.status))) {
rc = ibmphp_hpc_readslot(pslot,
READ_EXTSLOTSTATUS,
&(myslot.ext_status));
if (!rc)
*value = SLOT_SPEED (myslot.ext_status);
*value = SLOT_SPEED(myslot.ext_status);
} else
*value = MAX_ADAPTER_NONE;
}
}
if (flag)
ibmphp_unlock_operations ();
ibmphp_unlock_operations();
debug("get_max_adapter_speed_1 - Exit rc[%d] value[%x]\n", rc, *value);
return rc;
}
static int get_bus_name (struct hotplug_slot *hotplug_slot, char * value)
static int get_bus_name(struct hotplug_slot *hotplug_slot, char * value)
{
int rc = -ENODEV;
struct slot *pslot = NULL;
debug ("get_bus_name - Entry hotplug_slot[%lx]\n", (ulong)hotplug_slot);
debug("get_bus_name - Entry hotplug_slot[%lx]\n", (ulong)hotplug_slot);
ibmphp_lock_operations ();
ibmphp_lock_operations();
if (hotplug_slot) {
pslot = (struct slot *) hotplug_slot->private;
if (pslot) {
rc = 0;
snprintf (value, 100, "Bus %x", pslot->bus);
snprintf(value, 100, "Bus %x", pslot->bus);
}
} else
rc = -ENODEV;
ibmphp_unlock_operations ();
debug ("get_bus_name - Exit rc[%d] value[%x]\n", rc, *value);
ibmphp_unlock_operations();
debug("get_bus_name - Exit rc[%d] value[%x]\n", rc, *value);
return rc;
}
*/
/*******************************************************************************
/****************************************************************************
* This routine will initialize the ops data structure used in the validate
* function. It will also power off empty slots that are powered on since BIOS
* leaves those on, albeit disconnected
******************************************************************************/
static int __init init_ops (void)
****************************************************************************/
static int __init init_ops(void)
{
struct slot *slot_cur;
struct list_head *tmp;
int retval;
int rc;
list_for_each (tmp, &ibmphp_slot_head) {
slot_cur = list_entry (tmp, struct slot, ibm_slot_list);
list_for_each(tmp, &ibmphp_slot_head) {
slot_cur = list_entry(tmp, struct slot, ibm_slot_list);
if (!slot_cur)
return -ENODEV;
debug ("BEFORE GETTING SLOT STATUS, slot # %x\n", slot_cur->number);
debug("BEFORE GETTING SLOT STATUS, slot # %x\n",
slot_cur->number);
if (slot_cur->ctrl->revision == 0xFF)
if (get_ctrl_revision (slot_cur, &slot_cur->ctrl->revision))
if (get_ctrl_revision(slot_cur,
&slot_cur->ctrl->revision))
return -1;
if (slot_cur->bus_on->current_speed == 0xFF)
if (get_cur_bus_info (&slot_cur))
if (get_cur_bus_info(&slot_cur))
return -1;
if (slot_cur->ctrl->options == 0xFF)
if (get_hpc_options (slot_cur, &slot_cur->ctrl->options))
if (get_hpc_options(slot_cur, &slot_cur->ctrl->options))
return -1;
retval = slot_update (&slot_cur);
retval = slot_update(&slot_cur);
if (retval)
return retval;
debug ("status = %x\n", slot_cur->status);
debug ("ext_status = %x\n", slot_cur->ext_status);
debug ("SLOT_POWER = %x\n", SLOT_POWER (slot_cur->status));
debug ("SLOT_PRESENT = %x\n", SLOT_PRESENT (slot_cur->status));
debug ("SLOT_LATCH = %x\n", SLOT_LATCH (slot_cur->status));
if ((SLOT_PWRGD (slot_cur->status)) &&
!(SLOT_PRESENT (slot_cur->status)) &&
!(SLOT_LATCH (slot_cur->status))) {
debug ("BEFORE POWER OFF COMMAND\n");
rc = power_off (slot_cur);
debug("status = %x\n", slot_cur->status);
debug("ext_status = %x\n", slot_cur->ext_status);
debug("SLOT_POWER = %x\n", SLOT_POWER(slot_cur->status));
debug("SLOT_PRESENT = %x\n", SLOT_PRESENT(slot_cur->status));
debug("SLOT_LATCH = %x\n", SLOT_LATCH(slot_cur->status));
if ((SLOT_PWRGD(slot_cur->status)) &&
!(SLOT_PRESENT(slot_cur->status)) &&
!(SLOT_LATCH(slot_cur->status))) {
debug("BEFORE POWER OFF COMMAND\n");
rc = power_off(slot_cur);
if (rc)
return rc;
/* retval = slot_update (&slot_cur);
/* retval = slot_update(&slot_cur);
* if (retval)
* return retval;
* ibmphp_update_slot_info (slot_cur);
* ibmphp_update_slot_info(slot_cur);
*/
}
}
......@@ -563,7 +611,7 @@ static int __init init_ops (void)
* Parameters: slot, operation
* Returns: 0 or error codes
*/
static int validate (struct slot *slot_cur, int opn)
static int validate(struct slot *slot_cur, int opn)
{
int number;
int retval;
......@@ -573,59 +621,61 @@ static int validate (struct slot *slot_cur, int opn)
number = slot_cur->number;
if ((number > max_slots) || (number < 0))
return -EBADSLT;
debug ("slot_number in validate is %d\n", slot_cur->number);
debug("slot_number in validate is %d\n", slot_cur->number);
retval = slot_update (&slot_cur);
retval = slot_update(&slot_cur);
if (retval)
return retval;
switch (opn) {
case ENABLE:
if (!(SLOT_PWRGD (slot_cur->status)) &&
(SLOT_PRESENT (slot_cur->status)) &&
!(SLOT_LATCH (slot_cur->status)))
if (!(SLOT_PWRGD(slot_cur->status)) &&
(SLOT_PRESENT(slot_cur->status)) &&
!(SLOT_LATCH(slot_cur->status)))
return 0;
break;
case DISABLE:
if ((SLOT_PWRGD (slot_cur->status)) &&
(SLOT_PRESENT (slot_cur->status)) &&
!(SLOT_LATCH (slot_cur->status)))
if ((SLOT_PWRGD(slot_cur->status)) &&
(SLOT_PRESENT(slot_cur->status)) &&
!(SLOT_LATCH(slot_cur->status)))
return 0;
break;
default:
break;
}
err ("validate failed....\n");
err("validate failed....\n");
return -EINVAL;
}
/********************************************************************************
/****************************************************************************
* This routine is for updating the data structures in the hotplug core
* Parameters: struct slot
* Returns: 0 or error
*******************************************************************************/
int ibmphp_update_slot_info (struct slot *slot_cur)
****************************************************************************/
int ibmphp_update_slot_info(struct slot *slot_cur)
{
struct hotplug_slot_info *info;
int rc;
u8 bus_speed;
u8 mode;
info = kmalloc (sizeof (struct hotplug_slot_info), GFP_KERNEL);
info = kmalloc(sizeof(struct hotplug_slot_info), GFP_KERNEL);
if (!info) {
err ("out of system memory\n");
err("out of system memory\n");
return -ENOMEM;
}
info->power_status = SLOT_PWRGD (slot_cur->status);
info->attention_status = SLOT_ATTN (slot_cur->status, slot_cur->ext_status);
info->latch_status = SLOT_LATCH (slot_cur->status);
if (!SLOT_PRESENT (slot_cur->status)) {
info->power_status = SLOT_PWRGD(slot_cur->status);
info->attention_status = SLOT_ATTN(slot_cur->status,
slot_cur->ext_status);
info->latch_status = SLOT_LATCH(slot_cur->status);
if (!SLOT_PRESENT(slot_cur->status)) {
info->adapter_status = 0;
// info->max_adapter_speed_status = MAX_ADAPTER_NONE;
/* info->max_adapter_speed_status = MAX_ADAPTER_NONE; */
} else {
info->adapter_status = 1;
// get_max_adapter_speed_1 (slot_cur->hotplug_slot, &info->max_adapter_speed_status, 0);
/* get_max_adapter_speed_1(slot_cur->hotplug_slot,
&info->max_adapter_speed_status, 0); */
}
bus_speed = slot_cur->bus_on->current_speed;
......@@ -654,8 +704,8 @@ int ibmphp_update_slot_info (struct slot *slot_cur)
info->max_bus_speed = slot_cur->hotplug_slot->info->max_bus_speed;
// To do: bus_names
rc = pci_hp_change_slot_info (slot_cur->hotplug_slot, info);
kfree (info);
rc = pci_hp_change_slot_info(slot_cur->hotplug_slot, info);
kfree(info);
return rc;
}
......@@ -665,17 +715,19 @@ int ibmphp_update_slot_info (struct slot *slot_cur)
* is called from visit routines
******************************************************************************/
static struct pci_func *ibm_slot_find (u8 busno, u8 device, u8 function)
static struct pci_func *ibm_slot_find(u8 busno, u8 device, u8 function)
{
struct pci_func *func_cur;
struct slot *slot_cur;
struct list_head * tmp;
list_for_each (tmp, &ibmphp_slot_head) {
slot_cur = list_entry (tmp, struct slot, ibm_slot_list);
list_for_each(tmp, &ibmphp_slot_head) {
slot_cur = list_entry(tmp, struct slot, ibm_slot_list);
if (slot_cur->func) {
func_cur = slot_cur->func;
while (func_cur) {
if ((func_cur->busno == busno) && (func_cur->device == device) && (func_cur->function == function))
if ((func_cur->busno == busno) &&
(func_cur->device == device) &&
(func_cur->function == function))
return func_cur;
func_cur = func_cur->next;
}
......@@ -689,19 +741,19 @@ static struct pci_func *ibm_slot_find (u8 busno, u8 device, u8 function)
* the pointers to pci_func, bus, hotplug_slot, controller,
* and deregistering from the hotplug core
*************************************************************/
static void free_slots (void)
static void free_slots(void)
{
struct slot *slot_cur;
struct list_head * tmp;
struct list_head * next;
debug ("%s -- enter\n", __FUNCTION__);
debug("%s -- enter\n", __FUNCTION__);
list_for_each_safe (tmp, next, &ibmphp_slot_head) {
slot_cur = list_entry (tmp, struct slot, ibm_slot_list);
pci_hp_deregister (slot_cur->hotplug_slot);
list_for_each_safe(tmp, next, &ibmphp_slot_head) {
slot_cur = list_entry(tmp, struct slot, ibm_slot_list);
pci_hp_deregister(slot_cur->hotplug_slot);
}
debug ("%s -- exit\n", __FUNCTION__);
debug("%s -- exit\n", __FUNCTION__);
}
static void ibm_unconfigure_device(struct pci_func *func)
......@@ -710,7 +762,8 @@ static void ibm_unconfigure_device(struct pci_func *func)
u8 j;
debug("inside %s\n", __FUNCTION__);
debug("func->device = %x, func->function = %x\n", func->device, func->function);
debug("func->device = %x, func->function = %x\n",
func->device, func->function);
debug("func->device << 3 | 0x0 = %x\n", func->device << 3 | 0x0);
for (j = 0; j < 0x08; j++) {
......@@ -725,25 +778,24 @@ static void ibm_unconfigure_device(struct pci_func *func)
* getting bus entries, here we manually add those primary
* bus entries to kernel bus structure whenever apply
*/
static u8 bus_structure_fixup (u8 busno)
static u8 bus_structure_fixup(u8 busno)
{
struct pci_bus *bus;
struct pci_dev *dev;
u16 l;
if (pci_find_bus(0, busno) || !(ibmphp_find_same_bus_num (busno)))
if (pci_find_bus(0, busno) || !(ibmphp_find_same_bus_num(busno)))
return 1;
bus = kmalloc (sizeof (*bus), GFP_KERNEL);
bus = kmalloc(sizeof(*bus), GFP_KERNEL);
if (!bus) {
err ("%s - out of memory\n", __FUNCTION__);
err("%s - out of memory\n", __FUNCTION__);
return 1;
}
dev = kmalloc (sizeof (*dev), GFP_KERNEL);
dev = kmalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
kfree (bus);
err ("%s - out of memory\n", __FUNCTION__);
kfree(bus);
err("%s - out of memory\n", __FUNCTION__);
return 1;
}
......@@ -751,50 +803,57 @@ static u8 bus_structure_fixup (u8 busno)
bus->ops = ibmphp_pci_bus->ops;
dev->bus = bus;
for (dev->devfn = 0; dev->devfn < 256; dev->devfn += 8) {
if (!pci_read_config_word (dev, PCI_VENDOR_ID, &l) && l != 0x0000 && l != 0xffff) {
debug ("%s - Inside bus_struture_fixup()\n", __FUNCTION__);
pci_scan_bus (busno, ibmphp_pci_bus->ops, NULL);
if (!pci_read_config_word(dev, PCI_VENDOR_ID, &l) &&
(l != 0x0000) && (l != 0xffff)) {
debug("%s - Inside bus_struture_fixup()\n",
__FUNCTION__);
pci_scan_bus(busno, ibmphp_pci_bus->ops, NULL);
break;
}
}
kfree (dev);
kfree (bus);
kfree(dev);
kfree(bus);
return 0;
}
static int ibm_configure_device (struct pci_func *func)
static int ibm_configure_device(struct pci_func *func)
{
unsigned char bus;
struct pci_bus *child;
int num;
int flag = 0; /* this is to make sure we don't double scan the bus, for bridged devices primarily */
int flag = 0; /* this is to make sure we don't double scan the bus,
for bridged devices primarily */
if (!(bus_structure_fixup (func->busno)))
if (!(bus_structure_fixup(func->busno)))
flag = 1;
if (func->dev == NULL)
func->dev = pci_find_slot (func->busno, PCI_DEVFN(func->device, func->function));
func->dev = pci_find_slot(func->busno,
PCI_DEVFN(func->device, func->function));
if (func->dev == NULL) {
struct pci_bus *bus = pci_find_bus(0, func->busno);
if (!bus)
return 0;
num = pci_scan_slot(bus, PCI_DEVFN(func->device, func->function));
num = pci_scan_slot(bus,
PCI_DEVFN(func->device, func->function));
if (num)
pci_bus_add_devices(bus);
func->dev = pci_find_slot(func->busno, PCI_DEVFN(func->device, func->function));
func->dev = pci_find_slot(func->busno,
PCI_DEVFN(func->device, func->function));
if (func->dev == NULL) {
err ("ERROR... : pci_dev still NULL\n");
err("ERROR... : pci_dev still NULL\n");
return 0;
}
}
if (!(flag) && (func->dev->hdr_type == PCI_HEADER_TYPE_BRIDGE)) {
pci_read_config_byte (func->dev, PCI_SECONDARY_BUS, &bus);
child = (struct pci_bus *) pci_add_new_bus (func->dev->bus, (func->dev), bus);
pci_do_scan_bus (child);
pci_read_config_byte(func->dev, PCI_SECONDARY_BUS, &bus);
child = (struct pci_bus *) pci_add_new_bus(func->dev->bus,
(func->dev), bus);
pci_do_scan_bus(child);
}
return 0;
......@@ -803,7 +862,7 @@ static int ibm_configure_device (struct pci_func *func)
/*******************************************************
* Returns whether the bus is empty or not
*******************************************************/
static int is_bus_empty (struct slot * slot_cur)
static int is_bus_empty(struct slot * slot_cur)
{
int rc;
struct slot * tmp_slot;
......@@ -814,13 +873,14 @@ static int is_bus_empty (struct slot * slot_cur)
i++;
continue;
}
tmp_slot = ibmphp_get_slot_from_physical_num (i);
tmp_slot = ibmphp_get_slot_from_physical_num(i);
if (!tmp_slot)
return 0;
rc = slot_update (&tmp_slot);
rc = slot_update(&tmp_slot);
if (rc)
return 0;
if (SLOT_PRESENT (tmp_slot->status) && SLOT_PWRGD (tmp_slot->status))
if (SLOT_PRESENT(tmp_slot->status) &&
SLOT_PWRGD(tmp_slot->status))
return 0;
i++;
}
......@@ -833,7 +893,7 @@ static int is_bus_empty (struct slot * slot_cur)
* Parameters: slot
* Returns: bus is set (0) or error code
***********************************************************/
static int set_bus (struct slot * slot_cur)
static int set_bus(struct slot * slot_cur)
{
int rc;
u8 speed;
......@@ -844,22 +904,23 @@ static int set_bus (struct slot * slot_cur)
{ },
};
debug ("%s - entry slot # %d\n", __FUNCTION__, slot_cur->number);
if (SET_BUS_STATUS (slot_cur->ctrl) && is_bus_empty (slot_cur)) {
rc = slot_update (&slot_cur);
debug("%s - entry slot # %d\n", __FUNCTION__, slot_cur->number);
if (SET_BUS_STATUS(slot_cur->ctrl) && is_bus_empty(slot_cur)) {
rc = slot_update(&slot_cur);
if (rc)
return rc;
speed = SLOT_SPEED (slot_cur->ext_status);
debug ("ext_status = %x, speed = %x\n", slot_cur->ext_status, speed);
speed = SLOT_SPEED(slot_cur->ext_status);
debug("ext_status = %x, speed = %x\n", slot_cur->ext_status, speed);
switch (speed) {
case HPC_SLOT_SPEED_33:
cmd = HPC_BUS_33CONVMODE;
break;
case HPC_SLOT_SPEED_66:
if (SLOT_PCIX (slot_cur->ext_status)) {
if ((slot_cur->supported_speed >= BUS_SPEED_66) && (slot_cur->supported_bus_mode == BUS_MODE_PCIX))
if (SLOT_PCIX(slot_cur->ext_status)) {
if ((slot_cur->supported_speed >= BUS_SPEED_66) &&
(slot_cur->supported_bus_mode == BUS_MODE_PCIX))
cmd = HPC_BUS_66PCIXMODE;
else if (!SLOT_BUS_MODE (slot_cur->ext_status))
else if (!SLOT_BUS_MODE(slot_cur->ext_status))
/* if max slot/bus capability is 66 pci
and there's no bus mode mismatch, then
the adapter supports 66 pci */
......@@ -890,33 +951,35 @@ static int set_bus (struct slot * slot_cur)
case BUS_SPEED_133:
/* This is to take care of the bug in CIOBX chip */
if (pci_dev_present(ciobx))
ibmphp_hpc_writeslot (slot_cur, HPC_BUS_100PCIXMODE);
ibmphp_hpc_writeslot(slot_cur,
HPC_BUS_100PCIXMODE);
cmd = HPC_BUS_133PCIXMODE;
break;
default:
err ("Wrong bus speed\n");
err("Wrong bus speed\n");
return -ENODEV;
}
break;
default:
err ("wrong slot speed\n");
err("wrong slot speed\n");
return -ENODEV;
}
debug ("setting bus speed for slot %d, cmd %x\n", slot_cur->number, cmd);
retval = ibmphp_hpc_writeslot (slot_cur, cmd);
debug("setting bus speed for slot %d, cmd %x\n",
slot_cur->number, cmd);
retval = ibmphp_hpc_writeslot(slot_cur, cmd);
if (retval) {
err ("setting bus speed failed\n");
err("setting bus speed failed\n");
return retval;
}
if (CTLR_RESULT (slot_cur->ctrl->status)) {
err ("command not completed successfully in set_bus\n");
if (CTLR_RESULT(slot_cur->ctrl->status)) {
err("command not completed successfully in set_bus\n");
return -EIO;
}
}
/* This is for x440, once Brandon fixes the firmware,
will not need this delay */
msleep(1000);
debug ("%s -Exit\n", __FUNCTION__);
debug("%s -Exit\n", __FUNCTION__);
return 0;
}
......@@ -927,7 +990,7 @@ static int set_bus (struct slot * slot_cur)
* Parameters: slot
* Returns: 0 = no limitations, -EINVAL = exceeded limitations on the bus
*/
static int check_limitations (struct slot *slot_cur)
static int check_limitations(struct slot *slot_cur)
{
u8 i;
struct slot * tmp_slot;
......@@ -935,13 +998,14 @@ static int check_limitations (struct slot *slot_cur)
u8 limitation = 0;
for (i = slot_cur->bus_on->slot_min; i <= slot_cur->bus_on->slot_max; i++) {
tmp_slot = ibmphp_get_slot_from_physical_num (i);
tmp_slot = ibmphp_get_slot_from_physical_num(i);
if (!tmp_slot)
return -ENODEV;
if ((SLOT_PWRGD (tmp_slot->status)) && !(SLOT_CONNECT (tmp_slot->status)))
if ((SLOT_PWRGD(tmp_slot->status)) &&
!(SLOT_CONNECT(tmp_slot->status)))
count++;
}
get_cur_bus_info (&slot_cur);
get_cur_bus_info(&slot_cur);
switch (slot_cur->bus_on->current_speed) {
case BUS_SPEED_33:
limitation = slot_cur->bus_on->slots_at_33_conv;
......@@ -965,17 +1029,17 @@ static int check_limitations (struct slot *slot_cur)
return 0;
}
static inline void print_card_capability (struct slot *slot_cur)
static inline void print_card_capability(struct slot *slot_cur)
{
info ("capability of the card is ");
info("capability of the card is ");
if ((slot_cur->ext_status & CARD_INFO) == PCIX133)
info (" 133 MHz PCI-X\n");
info(" 133 MHz PCI-X\n");
else if ((slot_cur->ext_status & CARD_INFO) == PCIX66)
info (" 66 MHz PCI-X\n");
info(" 66 MHz PCI-X\n");
else if ((slot_cur->ext_status & CARD_INFO) == PCI66)
info (" 66 MHz PCI\n");
info(" 66 MHz PCI\n");
else
info (" 33 MHz PCI\n");
info(" 33 MHz PCI\n");
}
......@@ -984,118 +1048,128 @@ static inline void print_card_capability (struct slot *slot_cur)
* Parameters: hotplug_slot
* Returns: 0 or failure codes
*/
static int enable_slot (struct hotplug_slot *hs)
static int enable_slot(struct hotplug_slot *hs)
{
int rc, i, rcpr;
struct slot *slot_cur;
u8 function;
struct pci_func *tmp_func;
ibmphp_lock_operations ();
ibmphp_lock_operations();
debug ("ENABLING SLOT........\n");
debug("ENABLING SLOT........\n");
slot_cur = (struct slot *) hs->private;
if ((rc = validate (slot_cur, ENABLE))) {
err ("validate function failed\n");
if ((rc = validate(slot_cur, ENABLE))) {
err("validate function failed\n");
goto error_nopower;
}
attn_LED_blink (slot_cur);
attn_LED_blink(slot_cur);
rc = set_bus (slot_cur);
rc = set_bus(slot_cur);
if (rc) {
err ("was not able to set the bus\n");
err("was not able to set the bus\n");
goto error_nopower;
}
/*-----------------debugging------------------------------*/
get_cur_bus_info (&slot_cur);
debug ("the current bus speed right after set_bus = %x\n", slot_cur->bus_on->current_speed);
get_cur_bus_info(&slot_cur);
debug("the current bus speed right after set_bus = %x\n",
slot_cur->bus_on->current_speed);
/*----------------------------------------------------------*/
rc = check_limitations (slot_cur);
rc = check_limitations(slot_cur);
if (rc) {
err ("Adding this card exceeds the limitations of this bus.\n");
err ("(i.e., >1 133MHz cards running on same bus, or "
err("Adding this card exceeds the limitations of this bus.\n");
err("(i.e., >1 133MHz cards running on same bus, or "
">2 66 PCI cards running on same bus\n.");
err ("Try hot-adding into another bus\n");
err("Try hot-adding into another bus\n");
rc = -EINVAL;
goto error_nopower;
}
rc = power_on (slot_cur);
rc = power_on(slot_cur);
if (rc) {
err ("something wrong when powering up... please see below for details\n");
err("something wrong when powering up... please see below for details\n");
/* need to turn off before on, otherwise, blinking overwrites */
attn_off(slot_cur);
attn_on (slot_cur);
if (slot_update (&slot_cur)) {
attn_off (slot_cur);
attn_on (slot_cur);
attn_on(slot_cur);
if (slot_update(&slot_cur)) {
attn_off(slot_cur);
attn_on(slot_cur);
rc = -ENODEV;
goto exit;
}
/* Check to see the error of why it failed */
if ((SLOT_POWER (slot_cur->status)) && !(SLOT_PWRGD (slot_cur->status)))
err ("power fault occurred trying to power up\n");
else if (SLOT_BUS_SPEED (slot_cur->status)) {
err ("bus speed mismatch occurred. please check current bus speed and card capability\n");
print_card_capability (slot_cur);
} else if (SLOT_BUS_MODE (slot_cur->ext_status)) {
err ("bus mode mismatch occurred. please check current bus mode and card capability\n");
print_card_capability (slot_cur);
}
ibmphp_update_slot_info (slot_cur);
if ((SLOT_POWER(slot_cur->status)) &&
!(SLOT_PWRGD(slot_cur->status)))
err("power fault occurred trying to power up\n");
else if (SLOT_BUS_SPEED(slot_cur->status)) {
err("bus speed mismatch occurred. please check "
"current bus speed and card capability\n");
print_card_capability(slot_cur);
} else if (SLOT_BUS_MODE(slot_cur->ext_status)) {
err("bus mode mismatch occurred. please check "
"current bus mode and card capability\n");
print_card_capability(slot_cur);
}
ibmphp_update_slot_info(slot_cur);
goto exit;
}
debug ("after power_on\n");
debug("after power_on\n");
/*-----------------------debugging---------------------------*/
get_cur_bus_info (&slot_cur);
debug ("the current bus speed right after power_on = %x\n", slot_cur->bus_on->current_speed);
get_cur_bus_info(&slot_cur);
debug("the current bus speed right after power_on = %x\n",
slot_cur->bus_on->current_speed);
/*----------------------------------------------------------*/
rc = slot_update (&slot_cur);
rc = slot_update(&slot_cur);
if (rc)
goto error_power;
rc = -EINVAL;
if (SLOT_POWER (slot_cur->status) && !(SLOT_PWRGD (slot_cur->status))) {
err ("power fault occurred trying to power up...\n");
if (SLOT_POWER(slot_cur->status) && !(SLOT_PWRGD(slot_cur->status))) {
err("power fault occurred trying to power up...\n");
goto error_power;
}
if (SLOT_POWER (slot_cur->status) && (SLOT_BUS_SPEED (slot_cur->status))) {
err ("bus speed mismatch occurred. please check current bus speed and card capability\n");
print_card_capability (slot_cur);
if (SLOT_POWER(slot_cur->status) && (SLOT_BUS_SPEED(slot_cur->status))) {
err("bus speed mismatch occurred. please check current bus "
"speed and card capability\n");
print_card_capability(slot_cur);
goto error_power;
}
/* Don't think this case will happen after above checks... but just in case, for paranoia sake */
if (!(SLOT_POWER (slot_cur->status))) {
err ("power on failed...\n");
/* Don't think this case will happen after above checks...
* but just in case, for paranoia sake */
if (!(SLOT_POWER(slot_cur->status))) {
err("power on failed...\n");
goto error_power;
}
slot_cur->func = (struct pci_func *) kmalloc (sizeof (struct pci_func), GFP_KERNEL);
slot_cur->func = (struct pci_func *) kmalloc(sizeof(struct pci_func), GFP_KERNEL);
if (!slot_cur->func) {
/* We cannot do update_slot_info here, since no memory for
* kmalloc n.e.ways, and update_slot_info allocates some */
err ("out of system memory\n");
err("out of system memory\n");
rc = -ENOMEM;
goto error_power;
}
memset (slot_cur->func, 0, sizeof (struct pci_func));
memset(slot_cur->func, 0, sizeof(struct pci_func));
slot_cur->func->busno = slot_cur->bus;
slot_cur->func->device = slot_cur->device;
for (i = 0; i < 4; i++)
slot_cur->func->irq[i] = slot_cur->irq[i];
debug ("b4 configure_card, slot_cur->bus = %x, slot_cur->device = %x\n", slot_cur->bus, slot_cur->device);
debug("b4 configure_card, slot_cur->bus = %x, slot_cur->device = %x\n",
slot_cur->bus, slot_cur->device);
if (ibmphp_configure_card (slot_cur->func, slot_cur->number)) {
err ("configure_card was unsuccessful...\n");
ibmphp_unconfigure_card (&slot_cur, 1); /* true because don't need to actually deallocate resources, just remove references */
debug ("after unconfigure_card\n");
if (ibmphp_configure_card(slot_cur->func, slot_cur->number)) {
err("configure_card was unsuccessful...\n");
/* true because don't need to actually deallocate resources,
* just remove references */
ibmphp_unconfigure_card(&slot_cur, 1);
debug("after unconfigure_card\n");
slot_cur->func = NULL;
rc = -ENOMEM;
goto error_power;
......@@ -1103,38 +1177,39 @@ static int enable_slot (struct hotplug_slot *hs)
function = 0x00;
do {
tmp_func = ibm_slot_find (slot_cur->bus, slot_cur->func->device, function++);
tmp_func = ibm_slot_find(slot_cur->bus, slot_cur->func->device,
function++);
if (tmp_func && !(tmp_func->dev))
ibm_configure_device (tmp_func);
ibm_configure_device(tmp_func);
} while (tmp_func);
attn_off (slot_cur);
if (slot_update (&slot_cur)) {
attn_off(slot_cur);
if (slot_update(&slot_cur)) {
rc = -EFAULT;
goto exit;
}
ibmphp_print_test ();
rc = ibmphp_update_slot_info (slot_cur);
ibmphp_print_test();
rc = ibmphp_update_slot_info(slot_cur);
exit:
ibmphp_unlock_operations();
return rc;
error_nopower:
attn_off (slot_cur); /* need to turn off if was blinking b4 */
attn_on (slot_cur);
attn_off(slot_cur); /* need to turn off if was blinking b4 */
attn_on(slot_cur);
error_cont:
rcpr = slot_update (&slot_cur);
rcpr = slot_update(&slot_cur);
if (rcpr) {
rc = rcpr;
goto exit;
}
ibmphp_update_slot_info (slot_cur);
ibmphp_update_slot_info(slot_cur);
goto exit;
error_power:
attn_off (slot_cur); /* need to turn off if was blinking b4 */
attn_on (slot_cur);
rcpr = power_off (slot_cur);
attn_off(slot_cur); /* need to turn off if was blinking b4 */
attn_on(slot_cur);
rcpr = power_off(slot_cur);
if (rcpr) {
rc = rcpr;
goto exit;
......@@ -1148,7 +1223,7 @@ static int enable_slot (struct hotplug_slot *hs)
* OUTPUT: SUCCESS 0 ; FAILURE: UNCONFIGURE , VALIDATE *
DISABLE POWER , *
**************************************************************/
static int ibmphp_disable_slot (struct hotplug_slot *hotplug_slot)
static int ibmphp_disable_slot(struct hotplug_slot *hotplug_slot)
{
struct slot *slot = hotplug_slot->private;
int rc;
......@@ -1159,12 +1234,12 @@ static int ibmphp_disable_slot (struct hotplug_slot *hotplug_slot)
return rc;
}
int ibmphp_do_disable_slot (struct slot *slot_cur)
int ibmphp_do_disable_slot(struct slot *slot_cur)
{
int rc;
u8 flag;
debug ("DISABLING SLOT...\n");
debug("DISABLING SLOT...\n");
if ((slot_cur == NULL) || (slot_cur->ctrl == NULL)) {
return -ENODEV;
......@@ -1174,21 +1249,22 @@ int ibmphp_do_disable_slot (struct slot *slot_cur)
slot_cur->flag = TRUE;
if (flag == TRUE) {
rc = validate (slot_cur, DISABLE); /* checking if powered off already & valid slot # */
rc = validate(slot_cur, DISABLE);
/* checking if powered off already & valid slot # */
if (rc)
goto error;
}
attn_LED_blink (slot_cur);
attn_LED_blink(slot_cur);
if (slot_cur->func == NULL) {
/* We need this for fncs's that were there on bootup */
slot_cur->func = (struct pci_func *) kmalloc (sizeof (struct pci_func), GFP_KERNEL);
slot_cur->func = (struct pci_func *) kmalloc(sizeof(struct pci_func), GFP_KERNEL);
if (!slot_cur->func) {
err ("out of system memory\n");
err("out of system memory\n");
rc = -ENOMEM;
goto error;
}
memset (slot_cur->func, 0, sizeof (struct pci_func));
memset(slot_cur->func, 0, sizeof(struct pci_func));
slot_cur->func->busno = slot_cur->bus;
slot_cur->func->device = slot_cur->device;
}
......@@ -1202,42 +1278,42 @@ int ibmphp_do_disable_slot (struct slot *slot_cur)
lists at least */
if (!flag) {
attn_off (slot_cur);
attn_off(slot_cur);
return 0;
}
rc = ibmphp_unconfigure_card (&slot_cur, 0);
rc = ibmphp_unconfigure_card(&slot_cur, 0);
slot_cur->func = NULL;
debug ("in disable_slot. after unconfigure_card\n");
debug("in disable_slot. after unconfigure_card\n");
if (rc) {
err ("could not unconfigure card.\n");
err("could not unconfigure card.\n");
goto error;
}
rc = ibmphp_hpc_writeslot (slot_cur, HPC_SLOT_OFF);
rc = ibmphp_hpc_writeslot(slot_cur, HPC_SLOT_OFF);
if (rc)
goto error;
attn_off (slot_cur);
rc = slot_update (&slot_cur);
attn_off(slot_cur);
rc = slot_update(&slot_cur);
if (rc)
goto exit;
rc = ibmphp_update_slot_info (slot_cur);
ibmphp_print_test ();
rc = ibmphp_update_slot_info(slot_cur);
ibmphp_print_test();
exit:
return rc;
error:
/* Need to turn off if was blinking b4 */
attn_off (slot_cur);
attn_on (slot_cur);
if (slot_update (&slot_cur)) {
attn_off(slot_cur);
attn_on(slot_cur);
if (slot_update(&slot_cur)) {
rc = -EFAULT;
goto exit;
}
if (flag)
ibmphp_update_slot_info (slot_cur);
ibmphp_update_slot_info(slot_cur);
goto exit;
}
......@@ -1258,22 +1334,22 @@ struct hotplug_slot_ops ibmphp_hotplug_slot_ops = {
*/
};
static void ibmphp_unload (void)
static void ibmphp_unload(void)
{
free_slots ();
debug ("after slots\n");
ibmphp_free_resources ();
debug ("after resources\n");
ibmphp_free_bus_info_queue ();
debug ("after bus info\n");
ibmphp_free_ebda_hpc_queue ();
debug ("after ebda hpc\n");
ibmphp_free_ebda_pci_rsrc_queue ();
debug ("after ebda pci rsrc\n");
kfree (ibmphp_pci_bus);
free_slots();
debug("after slots\n");
ibmphp_free_resources();
debug("after resources\n");
ibmphp_free_bus_info_queue();
debug("after bus info\n");
ibmphp_free_ebda_hpc_queue();
debug("after ebda hpc\n");
ibmphp_free_ebda_pci_rsrc_queue();
debug("after ebda pci rsrc\n");
kfree(ibmphp_pci_bus);
}
static int __init ibmphp_init (void)
static int __init ibmphp_init(void)
{
struct pci_bus *bus;
int i = 0;
......@@ -1281,50 +1357,50 @@ static int __init ibmphp_init (void)
init_flag = 1;
info (DRIVER_DESC " version: " DRIVER_VERSION "\n");
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
ibmphp_pci_bus = kmalloc (sizeof (*ibmphp_pci_bus), GFP_KERNEL);
ibmphp_pci_bus = kmalloc(sizeof(*ibmphp_pci_bus), GFP_KERNEL);
if (!ibmphp_pci_bus) {
err ("out of memory\n");
err("out of memory\n");
rc = -ENOMEM;
goto exit;
}
bus = pci_find_bus(0, 0);
if (!bus) {
err ("Can't find the root pci bus, can not continue\n");
err("Can't find the root pci bus, can not continue\n");
rc = -ENODEV;
goto error;
}
memcpy (ibmphp_pci_bus, bus, sizeof (*ibmphp_pci_bus));
memcpy(ibmphp_pci_bus, bus, sizeof(*ibmphp_pci_bus));
ibmphp_debug = debug;
ibmphp_hpc_initvars ();
ibmphp_hpc_initvars();
for (i = 0; i < 16; i++)
irqs[i] = 0;
if ((rc = ibmphp_access_ebda ()))
if ((rc = ibmphp_access_ebda()))
goto error;
debug ("after ibmphp_access_ebda ()\n");
debug("after ibmphp_access_ebda()\n");
if ((rc = ibmphp_rsrc_init ()))
if ((rc = ibmphp_rsrc_init()))
goto error;
debug ("AFTER Resource & EBDA INITIALIZATIONS\n");
debug("AFTER Resource & EBDA INITIALIZATIONS\n");
max_slots = get_max_slots ();
max_slots = get_max_slots();
if ((rc = ibmphp_register_pci ()))
if ((rc = ibmphp_register_pci()))
goto error;
if (init_ops ()) {
if (init_ops()) {
rc = -ENODEV;
goto error;
}
ibmphp_print_test ();
if ((rc = ibmphp_hpc_start_poll_thread ())) {
ibmphp_print_test();
if ((rc = ibmphp_hpc_start_poll_thread())) {
goto error;
}
......@@ -1336,17 +1412,17 @@ static int __init ibmphp_init (void)
return rc;
error:
ibmphp_unload ();
ibmphp_unload();
goto exit;
}
static void __exit ibmphp_exit (void)
static void __exit ibmphp_exit(void)
{
ibmphp_hpc_stop_poll_thread ();
debug ("after polling\n");
ibmphp_unload ();
debug ("done\n");
ibmphp_hpc_stop_poll_thread();
debug("after polling\n");
ibmphp_unload();
debug("done\n");
}
module_init (ibmphp_init);
module_exit (ibmphp_exit);
module_init(ibmphp_init);
module_exit(ibmphp_exit);
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