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path: root/drivers/char/ipmi/ipmi_si_intf.c
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Diffstat (limited to 'drivers/char/ipmi/ipmi_si_intf.c')
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c190
1 files changed, 96 insertions, 94 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index a112c0146012..2a7c425ddfa7 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -789,7 +789,7 @@ static void handle_transaction_done(struct smi_info *smi_info)
smi_info->si_state = SI_NORMAL;
break;
}
- start_getting_msg_queue(smi_info);
+ start_getting_events(smi_info);
} else {
smi_info->si_state = SI_NORMAL;
}
@@ -812,7 +812,7 @@ static void handle_transaction_done(struct smi_info *smi_info)
smi_info->si_state = SI_NORMAL;
break;
}
- start_getting_msg_queue(smi_info);
+ start_getting_events(smi_info);
} else {
smi_info->si_state = SI_NORMAL;
}
@@ -1764,7 +1764,7 @@ static int parse_str(const struct hotmod_vals *v, int *val, char *name,
s = strchr(*curr, ',');
if (!s) {
- printk(KERN_WARNING PFX "No hotmod %s given.\n", name);
+ pr_warn(PFX "No hotmod %s given.\n", name);
return -EINVAL;
}
*s = '\0';
@@ -1777,7 +1777,7 @@ static int parse_str(const struct hotmod_vals *v, int *val, char *name,
}
}
- printk(KERN_WARNING PFX "Invalid hotmod %s '%s'\n", name, *curr);
+ pr_warn(PFX "Invalid hotmod %s '%s'\n", name, *curr);
return -EINVAL;
}
@@ -1788,16 +1788,12 @@ static int check_hotmod_int_op(const char *curr, const char *option,
if (strcmp(curr, name) == 0) {
if (!option) {
- printk(KERN_WARNING PFX
- "No option given for '%s'\n",
- curr);
+ pr_warn(PFX "No option given for '%s'\n", curr);
return -EINVAL;
}
*val = simple_strtoul(option, &n, 0);
if ((*n != '\0') || (*option == '\0')) {
- printk(KERN_WARNING PFX
- "Bad option given for '%s'\n",
- curr);
+ pr_warn(PFX "Bad option given for '%s'\n", curr);
return -EINVAL;
}
return 1;
@@ -1877,8 +1873,7 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
}
addr = simple_strtoul(curr, &n, 0);
if ((*n != '\0') || (*curr == '\0')) {
- printk(KERN_WARNING PFX "Invalid hotmod address"
- " '%s'\n", curr);
+ pr_warn(PFX "Invalid hotmod address '%s'\n", curr);
break;
}
@@ -1921,9 +1916,7 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
continue;
rv = -EINVAL;
- printk(KERN_WARNING PFX
- "Invalid hotmod option '%s'\n",
- curr);
+ pr_warn(PFX "Invalid hotmod option '%s'\n", curr);
goto out;
}
@@ -2003,7 +1996,7 @@ static int hardcode_find_bmc(void)
return -ENOMEM;
info->addr_source = SI_HARDCODED;
- printk(KERN_INFO PFX "probing via hardcoded address\n");
+ pr_info(PFX "probing via hardcoded address\n");
if (!si_type[i] || strcmp(si_type[i], "kcs") == 0) {
info->si_type = SI_KCS;
@@ -2012,9 +2005,8 @@ static int hardcode_find_bmc(void)
} else if (strcmp(si_type[i], "bt") == 0) {
info->si_type = SI_BT;
} else {
- printk(KERN_WARNING PFX "Interface type specified "
- "for interface %d, was invalid: %s\n",
- i, si_type[i]);
+ pr_warn(PFX "Interface type specified for interface %d, was invalid: %s\n",
+ i, si_type[i]);
kfree(info);
continue;
}
@@ -2030,9 +2022,8 @@ static int hardcode_find_bmc(void)
info->io.addr_data = addrs[i];
info->io.addr_type = IPMI_MEM_ADDR_SPACE;
} else {
- printk(KERN_WARNING PFX "Interface type specified "
- "for interface %d, but port and address were "
- "not set or set to zero.\n", i);
+ pr_warn(PFX "Interface type specified for interface %d, but port and address were not set or set to zero.\n",
+ i);
kfree(info);
continue;
}
@@ -2173,18 +2164,18 @@ static int try_init_spmi(struct SPMITable *spmi)
int rv;
if (spmi->IPMIlegacy != 1) {
- printk(KERN_INFO PFX "Bad SPMI legacy %d\n", spmi->IPMIlegacy);
+ pr_info(PFX "Bad SPMI legacy %d\n", spmi->IPMIlegacy);
return -ENODEV;
}
info = smi_info_alloc();
if (!info) {
- printk(KERN_ERR PFX "Could not allocate SI data (3)\n");
+ pr_err(PFX "Could not allocate SI data (3)\n");
return -ENOMEM;
}
info->addr_source = SI_SPMI;
- printk(KERN_INFO PFX "probing via SPMI\n");
+ pr_info(PFX "probing via SPMI\n");
/* Figure out the interface type. */
switch (spmi->InterfaceType) {
@@ -2201,8 +2192,8 @@ static int try_init_spmi(struct SPMITable *spmi)
kfree(info);
return -EIO;
default:
- printk(KERN_INFO PFX "Unknown ACPI/SPMI SI type %d\n",
- spmi->InterfaceType);
+ pr_info(PFX "Unknown ACPI/SPMI SI type %d\n",
+ spmi->InterfaceType);
kfree(info);
return -EIO;
}
@@ -2238,15 +2229,15 @@ static int try_init_spmi(struct SPMITable *spmi)
info->io.addr_type = IPMI_IO_ADDR_SPACE;
} else {
kfree(info);
- printk(KERN_WARNING PFX "Unknown ACPI I/O Address type\n");
+ pr_warn(PFX "Unknown ACPI I/O Address type\n");
return -EIO;
}
info->io.addr_data = spmi->addr.address;
pr_info("ipmi_si: SPMI: %s %#lx regsize %d spacing %d irq %d\n",
- (info->io.addr_type == IPMI_IO_ADDR_SPACE) ? "io" : "mem",
- info->io.addr_data, info->io.regsize, info->io.regspacing,
- info->irq);
+ (info->io.addr_type == IPMI_IO_ADDR_SPACE) ? "io" : "mem",
+ info->io.addr_data, info->io.regsize, info->io.regspacing,
+ info->irq);
rv = add_smi(info);
if (rv)
@@ -2356,12 +2347,12 @@ static void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
info = smi_info_alloc();
if (!info) {
- printk(KERN_ERR PFX "Could not allocate SI data\n");
+ pr_err(PFX "Could not allocate SI data\n");
return;
}
info->addr_source = SI_SMBIOS;
- printk(KERN_INFO PFX "probing via SMBIOS\n");
+ pr_info(PFX "probing via SMBIOS\n");
switch (ipmi_data->type) {
case 0x01: /* KCS */
@@ -2391,8 +2382,8 @@ static void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
default:
kfree(info);
- printk(KERN_WARNING PFX "Unknown SMBIOS I/O Address type: %d\n",
- ipmi_data->addr_space);
+ pr_warn(PFX "Unknown SMBIOS I/O Address type: %d\n",
+ ipmi_data->addr_space);
return;
}
info->io.addr_data = ipmi_data->base_addr;
@@ -2410,9 +2401,9 @@ static void try_init_dmi(struct dmi_ipmi_data *ipmi_data)
info->irq_setup = std_irq_setup;
pr_info("ipmi_si: SMBIOS: %s %#lx regsize %d spacing %d irq %d\n",
- (info->io.addr_type == IPMI_IO_ADDR_SPACE) ? "io" : "mem",
- info->io.addr_data, info->io.regsize, info->io.regspacing,
- info->irq);
+ (info->io.addr_type == IPMI_IO_ADDR_SPACE) ? "io" : "mem",
+ info->io.addr_data, info->io.regsize, info->io.regspacing,
+ info->irq);
if (add_smi(info))
kfree(info);
@@ -3141,9 +3132,7 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
rv = wait_for_msg_done(smi_info);
if (rv) {
- printk(KERN_WARNING PFX "Error getting response from get"
- " global enables command, the event buffer is not"
- " enabled.\n");
+ pr_warn(PFX "Error getting response from get global enables command, the event buffer is not enabled.\n");
goto out;
}
@@ -3154,8 +3143,7 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
resp[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 ||
resp[1] != IPMI_GET_BMC_GLOBAL_ENABLES_CMD ||
resp[2] != 0) {
- printk(KERN_WARNING PFX "Invalid return from get global"
- " enables command, cannot enable the event buffer.\n");
+ pr_warn(PFX "Invalid return from get global enables command, cannot enable the event buffer.\n");
rv = -EINVAL;
goto out;
}
@@ -3173,9 +3161,7 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
rv = wait_for_msg_done(smi_info);
if (rv) {
- printk(KERN_WARNING PFX "Error getting response from set"
- " global, enables command, the event buffer is not"
- " enabled.\n");
+ pr_warn(PFX "Error getting response from set global, enables command, the event buffer is not enabled.\n");
goto out;
}
@@ -3185,8 +3171,7 @@ static int try_enable_event_buffer(struct smi_info *smi_info)
if (resp_len < 3 ||
resp[0] != (IPMI_NETFN_APP_REQUEST | 1) << 2 ||
resp[1] != IPMI_SET_BMC_GLOBAL_ENABLES_CMD) {
- printk(KERN_WARNING PFX "Invalid return from get global,"
- "enables command, not enable the event buffer.\n");
+ pr_warn(PFX "Invalid return from get global, enables command, not enable the event buffer.\n");
rv = -EINVAL;
goto out;
}
@@ -3463,8 +3448,16 @@ static int is_new_interface(struct smi_info *info)
list_for_each_entry(e, &smi_infos, link) {
if (e->io.addr_type != info->io.addr_type)
continue;
- if (e->io.addr_data == info->io.addr_data)
+ if (e->io.addr_data == info->io.addr_data) {
+ /*
+ * This is a cheap hack, ACPI doesn't have a defined
+ * slave address but SMBIOS does. Pick it up from
+ * any source that has it available.
+ */
+ if (info->slave_addr && !e->slave_addr)
+ e->slave_addr = info->slave_addr;
return 0;
+ }
}
return 1;
@@ -3474,17 +3467,18 @@ static int add_smi(struct smi_info *new_smi)
{
int rv = 0;
- printk(KERN_INFO PFX "Adding %s-specified %s state machine",
- ipmi_addr_src_to_str(new_smi->addr_source),
- si_to_str[new_smi->si_type]);
mutex_lock(&smi_infos_lock);
if (!is_new_interface(new_smi)) {
- printk(KERN_CONT " duplicate interface\n");
+ pr_info(PFX "%s-specified %s state machine: duplicate\n",
+ ipmi_addr_src_to_str(new_smi->addr_source),
+ si_to_str[new_smi->si_type]);
rv = -EBUSY;
goto out_err;
}
- printk(KERN_CONT "\n");
+ pr_info(PFX "Adding %s-specified %s state machine\n",
+ ipmi_addr_src_to_str(new_smi->addr_source),
+ si_to_str[new_smi->si_type]);
/* So we know not to free it unless we have allocated one. */
new_smi->intf = NULL;
@@ -3502,15 +3496,14 @@ static int try_smi_init(struct smi_info *new_smi)
{
int rv = 0;
int i;
+ char *init_name = NULL;
- printk(KERN_INFO PFX "Trying %s-specified %s state"
- " machine at %s address 0x%lx, slave address 0x%x,"
- " irq %d\n",
- ipmi_addr_src_to_str(new_smi->addr_source),
- si_to_str[new_smi->si_type],
- addr_space_to_str[new_smi->io.addr_type],
- new_smi->io.addr_data,
- new_smi->slave_addr, new_smi->irq);
+ pr_info(PFX "Trying %s-specified %s state machine at %s address 0x%lx, slave address 0x%x, irq %d\n",
+ ipmi_addr_src_to_str(new_smi->addr_source),
+ si_to_str[new_smi->si_type],
+ addr_space_to_str[new_smi->io.addr_type],
+ new_smi->io.addr_data,
+ new_smi->slave_addr, new_smi->irq);
switch (new_smi->si_type) {
case SI_KCS:
@@ -3531,11 +3524,30 @@ static int try_smi_init(struct smi_info *new_smi)
goto out_err;
}
+ /* Do this early so it's available for logs. */
+ if (!new_smi->dev) {
+ init_name = kasprintf(GFP_KERNEL, "ipmi_si.%d", 0);
+
+ /*
+ * If we don't already have a device from something
+ * else (like PCI), then register a new one.
+ */
+ new_smi->pdev = platform_device_alloc("ipmi_si",
+ new_smi->intf_num);
+ if (!new_smi->pdev) {
+ pr_err(PFX "Unable to allocate platform device\n");
+ goto out_err;
+ }
+ new_smi->dev = &new_smi->pdev->dev;
+ new_smi->dev->driver = &ipmi_driver.driver;
+ /* Nulled by device_add() */
+ new_smi->dev->init_name = init_name;
+ }
+
/* Allocate the state machine's data and initialize it. */
new_smi->si_sm = kmalloc(new_smi->handlers->size(), GFP_KERNEL);
if (!new_smi->si_sm) {
- printk(KERN_ERR PFX
- "Could not allocate state machine memory\n");
+ pr_err(PFX "Could not allocate state machine memory\n");
rv = -ENOMEM;
goto out_err;
}
@@ -3545,14 +3557,14 @@ static int try_smi_init(struct smi_info *new_smi)
/* Now that we know the I/O size, we can set up the I/O. */
rv = new_smi->io_setup(new_smi);
if (rv) {
- printk(KERN_ERR PFX "Could not set up I/O space\n");
+ dev_err(new_smi->dev, "Could not set up I/O space\n");
goto out_err;
}
/* Do low-level detection first. */
if (new_smi->handlers->detect(new_smi->si_sm)) {
if (new_smi->addr_source)
- printk(KERN_INFO PFX "Interface detection failed\n");
+ dev_err(new_smi->dev, "Interface detection failed\n");
rv = -ENODEV;
goto out_err;
}
@@ -3564,8 +3576,7 @@ static int try_smi_init(struct smi_info *new_smi)
rv = try_get_dev_id(new_smi);
if (rv) {
if (new_smi->addr_source)
- printk(KERN_INFO PFX "There appears to be no BMC"
- " at this location\n");
+ dev_err(new_smi->dev, "There appears to be no BMC at this location\n");
goto out_err;
}
@@ -3604,27 +3615,12 @@ static int try_smi_init(struct smi_info *new_smi)
atomic_set(&new_smi->req_events, 1);
}
- if (!new_smi->dev) {
- /*
- * If we don't already have a device from something
- * else (like PCI), then register a new one.
- */
- new_smi->pdev = platform_device_alloc("ipmi_si",
- new_smi->intf_num);
- if (!new_smi->pdev) {
- printk(KERN_ERR PFX
- "Unable to allocate platform device\n");
- goto out_err;
- }
- new_smi->dev = &new_smi->pdev->dev;
- new_smi->dev->driver = &ipmi_driver.driver;
-
+ if (new_smi->pdev) {
rv = platform_device_add(new_smi->pdev);
if (rv) {
- printk(KERN_ERR PFX
- "Unable to register system interface device:"
- " %d\n",
- rv);
+ dev_err(new_smi->dev,
+ "Unable to register system interface device: %d\n",
+ rv);
goto out_err;
}
new_smi->dev_registered = true;
@@ -3668,6 +3664,9 @@ static int try_smi_init(struct smi_info *new_smi)
dev_info(new_smi->dev, "IPMI %s interface initialized\n",
si_to_str[new_smi->si_type]);
+ WARN_ON(new_smi->dev->init_name != NULL);
+ kfree(init_name);
+
return 0;
out_err_stop_timer:
@@ -3712,8 +3711,14 @@ out_err:
if (new_smi->dev_registered) {
platform_device_unregister(new_smi->pdev);
new_smi->dev_registered = false;
+ new_smi->pdev = NULL;
+ } else if (new_smi->pdev) {
+ platform_device_put(new_smi->pdev);
+ new_smi->pdev = NULL;
}
+ kfree(init_name);
+
return rv;
}
@@ -3732,8 +3737,7 @@ static int init_ipmi_si(void)
if (si_tryplatform) {
rv = platform_driver_register(&ipmi_driver);
if (rv) {
- printk(KERN_ERR PFX "Unable to register "
- "driver: %d\n", rv);
+ pr_err(PFX "Unable to register driver: %d\n", rv);
return rv;
}
}
@@ -3753,7 +3757,7 @@ static int init_ipmi_si(void)
}
}
- printk(KERN_INFO "IPMI System Interface driver.\n");
+ pr_info("IPMI System Interface driver.\n");
/* If the user gave us a device, they presumably want us to use it */
if (!hardcode_find_bmc())
@@ -3763,8 +3767,7 @@ static int init_ipmi_si(void)
if (si_trypci) {
rv = pci_register_driver(&ipmi_pci_driver);
if (rv)
- printk(KERN_ERR PFX "Unable to register "
- "PCI driver: %d\n", rv);
+ pr_err(PFX "Unable to register PCI driver: %d\n", rv);
else
pci_registered = true;
}
@@ -3826,8 +3829,7 @@ static int init_ipmi_si(void)
if (unload_when_empty && list_empty(&smi_infos)) {
mutex_unlock(&smi_infos_lock);
cleanup_ipmi_si();
- printk(KERN_WARNING PFX
- "Unable to find any System Interface(s)\n");
+ pr_warn(PFX "Unable to find any System Interface(s)\n");
return -ENODEV;
} else {
mutex_unlock(&smi_infos_lock);