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authorIngo Molnar <mingo@elte.hu>2008-08-20 12:39:18 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-20 12:39:18 +0200
commit170465ee7f5a9a2d0ac71285507e52642e040353 (patch)
treedbca81f04cde9e625170abbd6a72555cfbeb194e /drivers/char
parent169ad16bb87c10a3f7c108bb7008ebc0270f617a (diff)
parent1fca25427482387689fa27594c992a961d98768f (diff)
Merge branch 'linus' into x86/xen
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/Kconfig2
-rw-r--r--drivers/char/Makefile1
-rw-r--r--drivers/char/agp/agp.h3
-rw-r--r--drivers/char/agp/ali-agp.c10
-rw-r--r--drivers/char/agp/amd-k7-agp.c10
-rw-r--r--drivers/char/agp/amd64-agp.c51
-rw-r--r--drivers/char/agp/ati-agp.c7
-rw-r--r--drivers/char/agp/backend.c28
-rw-r--r--drivers/char/agp/generic.c41
-rw-r--r--drivers/char/agp/intel-agp.c83
-rw-r--r--drivers/char/agp/isoch.c37
-rw-r--r--drivers/char/agp/sis-agp.c17
-rw-r--r--drivers/char/agp/sworks-agp.c25
-rw-r--r--drivers/char/agp/uninorth-agp.c32
-rw-r--r--drivers/char/amiserial.c2
-rw-r--r--drivers/char/ds1620.c2
-rw-r--r--drivers/char/efirtc.c1
-rw-r--r--drivers/char/hvc_console.c5
-rw-r--r--drivers/char/hvc_console.h2
-rw-r--r--drivers/char/hvcs.c2
-rw-r--r--drivers/char/hw_random/ixp4xx-rng.c2
-rw-r--r--drivers/char/hw_random/via-rng.c8
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c4
-rw-r--r--drivers/char/mxser.c6
-rw-r--r--drivers/char/pcmcia/ipwireless/tty.c1
-rw-r--r--drivers/char/pcmcia/synclink_cs.c4
-rw-r--r--drivers/char/rtc.c1
-rw-r--r--drivers/char/synclink.c4
-rw-r--r--drivers/char/synclink_gt.c6
-rw-r--r--drivers/char/synclinkmp.c4
-rw-r--r--drivers/char/tty_io.c74
-rw-r--r--drivers/char/tty_ldisc.c2
-rw-r--r--drivers/char/viocons.c1171
-rw-r--r--drivers/char/vt.c84
-rw-r--r--drivers/char/vt_ioctl.c4
-rw-r--r--drivers/char/xilinx_hwicap/xilinx_hwicap.c1
36 files changed, 329 insertions, 1408 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index d0ac944e169..caff85149b9 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -8,7 +8,7 @@ config VT
bool "Virtual terminal" if EMBEDDED
depends on !S390
select INPUT
- default y if !VIOCONS
+ default y
---help---
If you say Y here, you will get support for terminal devices with
display and keyboard devices. These are called "virtual" because you
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index 8a161c30e1d..6850f6da757 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -55,7 +55,6 @@ obj-$(CONFIG_RAW_DRIVER) += raw.o
obj-$(CONFIG_SGI_SNSC) += snsc.o snsc_event.o
obj-$(CONFIG_MSPEC) += mspec.o
obj-$(CONFIG_MMTIMER) += mmtimer.o
-obj-$(CONFIG_VIOCONS) += viocons.o
obj-$(CONFIG_VIOTAPE) += viotape.o
obj-$(CONFIG_HVCS) += hvcs.o
obj-$(CONFIG_IBM_BSR) += bsr.o
diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 81e14bea54b..4bada0e8b81 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -148,6 +148,9 @@ struct agp_bridge_data {
char minor_version;
struct list_head list;
u32 apbase_config;
+ /* list of agp_memory mapped to the aperture */
+ struct list_head mapped_list;
+ spinlock_t mapped_lock;
};
#define KB(x) ((x) * 1024)
diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c
index 1ffb381130c..31dcd9142d5 100644
--- a/drivers/char/agp/ali-agp.c
+++ b/drivers/char/agp/ali-agp.c
@@ -110,7 +110,8 @@ static int ali_configure(void)
nlvm_addr+= agp_bridge->gart_bus_addr;
nlvm_addr|=(agp_bridge->gart_bus_addr>>12);
- printk(KERN_INFO PFX "nlvm top &base = %8x\n",nlvm_addr);
+ dev_info(&agp_bridge->dev->dev, "nlvm top &base = %8x\n",
+ nlvm_addr);
}
#endif
@@ -315,8 +316,8 @@ static int __devinit agp_ali_probe(struct pci_dev *pdev,
goto found;
}
- printk(KERN_ERR PFX "Unsupported ALi chipset (device id: %04x)\n",
- pdev->device);
+ dev_err(&pdev->dev, "unsupported ALi chipset [%04x/%04x])\n",
+ pdev->vendor, pdev->device);
return -ENODEV;
@@ -361,8 +362,7 @@ found:
bridge->driver = &ali_generic_bridge;
}
- printk(KERN_INFO PFX "Detected ALi %s chipset\n",
- devs[j].chipset_name);
+ dev_info(&pdev->dev, "ALi %s chipset\n", devs[j].chipset_name);
/* Fill in the mode register */
pci_read_config_dword(pdev,
diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c
index 39a0718bc61..e280531843b 100644
--- a/drivers/char/agp/amd-k7-agp.c
+++ b/drivers/char/agp/amd-k7-agp.c
@@ -419,8 +419,8 @@ static int __devinit agp_amdk7_probe(struct pci_dev *pdev,
return -ENODEV;
j = ent - agp_amdk7_pci_table;
- printk(KERN_INFO PFX "Detected AMD %s chipset\n",
- amd_agp_device_ids[j].chipset_name);
+ dev_info(&pdev->dev, "AMD %s chipset\n",
+ amd_agp_device_ids[j].chipset_name);
bridge = agp_alloc_bridge();
if (!bridge)
@@ -442,7 +442,7 @@ static int __devinit agp_amdk7_probe(struct pci_dev *pdev,
while (!cap_ptr) {
gfxcard = pci_get_class(PCI_CLASS_DISPLAY_VGA<<8, gfxcard);
if (!gfxcard) {
- printk (KERN_INFO PFX "Couldn't find an AGP VGA controller.\n");
+ dev_info(&pdev->dev, "no AGP VGA controller\n");
return -ENODEV;
}
cap_ptr = pci_find_capability(gfxcard, PCI_CAP_ID_AGP);
@@ -453,7 +453,7 @@ static int __devinit agp_amdk7_probe(struct pci_dev *pdev,
(if necessary at all). */
if (gfxcard->vendor == PCI_VENDOR_ID_NVIDIA) {
agp_bridge->flags |= AGP_ERRATA_1X;
- printk (KERN_INFO PFX "AMD 751 chipset with NVidia GeForce detected. Forcing to 1X due to errata.\n");
+ dev_info(&pdev->dev, "AMD 751 chipset with NVidia GeForce; forcing 1X due to errata\n");
}
pci_dev_put(gfxcard);
}
@@ -469,7 +469,7 @@ static int __devinit agp_amdk7_probe(struct pci_dev *pdev,
agp_bridge->flags = AGP_ERRATA_FASTWRITES;
agp_bridge->flags |= AGP_ERRATA_SBA;
agp_bridge->flags |= AGP_ERRATA_1X;
- printk (KERN_INFO PFX "AMD 761 chipset with errata detected - disabling AGP fast writes & SBA and forcing to 1X.\n");
+ dev_info(&pdev->dev, "AMD 761 chipset with errata; disabling AGP fast writes & SBA and forcing to 1X\n");
}
}
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 481ffe87c71..7495c522d8e 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -34,6 +34,7 @@
static struct resource *aperture_resource;
static int __initdata agp_try_unsupported = 1;
+static int agp_bridges_found;
static void amd64_tlbflush(struct agp_memory *temp)
{
@@ -293,12 +294,13 @@ static __devinit int fix_northbridge(struct pci_dev *nb, struct pci_dev *agp,
* so let double check that order, and lets trust the AMD NB settings
*/
if (order >=0 && aper + (32ULL<<(20 + order)) > 0x100000000ULL) {
- printk(KERN_INFO "Aperture size %u MB is not right, using settings from NB\n",
- 32 << order);
+ dev_info(&agp->dev, "aperture size %u MB is not right, using settings from NB\n",
+ 32 << order);
order = nb_order;
}
- printk(KERN_INFO PFX "Aperture from AGP @ %Lx size %u MB\n", aper, 32 << order);
+ dev_info(&agp->dev, "aperture from AGP @ %Lx size %u MB\n",
+ aper, 32 << order);
if (order < 0 || !agp_aperture_valid(aper, (32*1024*1024)<<order))
return -1;
@@ -319,10 +321,10 @@ static __devinit int cache_nbs (struct pci_dev *pdev, u32 cap_ptr)
for (i = 0; i < num_k8_northbridges; i++) {
struct pci_dev *dev = k8_northbridges[i];
if (fix_northbridge(dev, pdev, cap_ptr) < 0) {
- printk(KERN_ERR PFX "No usable aperture found.\n");
+ dev_err(&dev->dev, "no usable aperture found\n");
#ifdef __x86_64__
/* should port this to i386 */
- printk(KERN_ERR PFX "Consider rebooting with iommu=memaper=2 to get a good aperture.\n");
+ dev_err(&dev->dev, "consider rebooting with iommu=memaper=2 to get a good aperture\n");
#endif
return -1;
}
@@ -345,14 +347,14 @@ static void __devinit amd8151_init(struct pci_dev *pdev, struct agp_bridge_data
default: revstring="??"; break;
}
- printk (KERN_INFO PFX "Detected AMD 8151 AGP Bridge rev %s\n", revstring);
+ dev_info(&pdev->dev, "AMD 8151 AGP Bridge rev %s\n", revstring);
/*
* Work around errata.
* Chips before B2 stepping incorrectly reporting v3.5
*/
if (pdev->revision < 0x13) {
- printk (KERN_INFO PFX "Correcting AGP revision (reports 3.5, is really 3.0)\n");
+ dev_info(&pdev->dev, "correcting AGP revision (reports 3.5, is really 3.0)\n");
bridge->major_version = 3;
bridge->minor_version = 0;
}
@@ -375,11 +377,11 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
struct pci_dev *dev1;
int i;
unsigned size = amd64_fetch_size();
- printk(KERN_INFO "Setting up ULi AGP.\n");
+
+ dev_info(&pdev->dev, "setting up ULi AGP\n");
dev1 = pci_get_slot (pdev->bus,PCI_DEVFN(0,0));
if (dev1 == NULL) {
- printk(KERN_INFO PFX "Detected a ULi chipset, "
- "but could not fine the secondary device.\n");
+ dev_info(&pdev->dev, "can't find ULi secondary device\n");
return -ENODEV;
}
@@ -388,7 +390,7 @@ static int __devinit uli_agp_init(struct pci_dev *pdev)
break;
if (i == ARRAY_SIZE(uli_sizes)) {
- printk(KERN_INFO PFX "No ULi size found for %d\n", size);
+ dev_info(&pdev->dev, "no ULi size found for %d\n", size);
return -ENODEV;
}
@@ -433,13 +435,11 @@ static int nforce3_agp_init(struct pci_dev *pdev)
int i;
unsigned size = amd64_fetch_size();
- printk(KERN_INFO PFX "Setting up Nforce3 AGP.\n");
+ dev_info(&pdev->dev, "setting up Nforce3 AGP\n");
dev1 = pci_get_slot(pdev->bus, PCI_DEVFN(11, 0));
if (dev1 == NULL) {
- printk(KERN_INFO PFX "agpgart: Detected an NVIDIA "
- "nForce3 chipset, but could not find "
- "the secondary device.\n");
+ dev_info(&pdev->dev, "can't find Nforce3 secondary device\n");
return -ENODEV;
}
@@ -448,7 +448,7 @@ static int nforce3_agp_init(struct pci_dev *pdev)
break;
if (i == ARRAY_SIZE(nforce3_sizes)) {
- printk(KERN_INFO PFX "No NForce3 size found for %d\n", size);
+ dev_info(&pdev->dev, "no NForce3 size found for %d\n", size);
return -ENODEV;
}
@@ -462,7 +462,7 @@ static int nforce3_agp_init(struct pci_dev *pdev)
/* if x86-64 aperture base is beyond 4G, exit here */
if ( (apbase & 0x7fff) >> (32 - 25) ) {
- printk(KERN_INFO PFX "aperture base > 4G\n");
+ dev_info(&pdev->dev, "aperture base > 4G\n");
return -ENODEV;
}
@@ -489,6 +489,7 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
{
struct agp_bridge_data *bridge;
u8 cap_ptr;
+ int err;
cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
if (!cap_ptr)
@@ -504,7 +505,8 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
pdev->device == PCI_DEVICE_ID_AMD_8151_0) {
amd8151_init(pdev, bridge);
} else {
- printk(KERN_INFO PFX "Detected AGP bridge %x\n", pdev->devfn);
+ dev_info(&pdev->dev, "AGP bridge [%04x/%04x]\n",
+ pdev->vendor, pdev->device);
}
bridge->driver = &amd_8151_driver;
@@ -536,7 +538,12 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
}
pci_set_drvdata(pdev, bridge);
- return agp_add_bridge(bridge);
+ err = agp_add_bridge(bridge);
+ if (err < 0)
+ return err;
+
+ agp_bridges_found++;
+ return 0;
}
static void __devexit agp_amd64_remove(struct pci_dev *pdev)
@@ -713,7 +720,11 @@ int __init agp_amd64_init(void)
if (agp_off)
return -EINVAL;
- if (pci_register_driver(&agp_amd64_pci_driver) < 0) {
+ err = pci_register_driver(&agp_amd64_pci_driver);
+ if (err < 0)
+ return err;
+
+ if (agp_bridges_found == 0) {
struct pci_dev *dev;
if (!agp_try_unsupported && !agp_try_unsupported_boot) {
printk(KERN_INFO PFX "No supported AGP bridge found.\n");
diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c
index 3a4566c0d84..6ecbcafb34b 100644
--- a/drivers/char/agp/ati-agp.c
+++ b/drivers/char/agp/ati-agp.c
@@ -486,8 +486,8 @@ static int __devinit agp_ati_probe(struct pci_dev *pdev,
goto found;
}
- printk(KERN_ERR PFX
- "Unsupported Ati chipset (device id: %04x)\n", pdev->device);
+ dev_err(&pdev->dev, "unsupported Ati chipset [%04x/%04x])\n",
+ pdev->vendor, pdev->device);
return -ENODEV;
found:
@@ -500,8 +500,7 @@ found:
bridge->driver = &ati_generic_bridge;
- printk(KERN_INFO PFX "Detected Ati %s chipset\n",
- devs[j].chipset_name);
+ dev_info(&pdev->dev, "Ati %s chipset\n", devs[j].chipset_name);
/* Fill in the mode register */
pci_read_config_dword(pdev,
diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c
index 1ec87104e68..3a3cc03d401 100644
--- a/drivers/char/agp/backend.c
+++ b/drivers/char/agp/backend.c
@@ -144,7 +144,8 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
void *addr = bridge->driver->agp_alloc_page(bridge);
if (!addr) {
- printk(KERN_ERR PFX "unable to get memory for scratch page.\n");
+ dev_err(&bridge->dev->dev,
+ "can't get memory for scratch page\n");
return -ENOMEM;
}
@@ -155,13 +156,13 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
size_value = bridge->driver->fetch_size();
if (size_value == 0) {
- printk(KERN_ERR PFX "unable to determine aperture size.\n");
+ dev_err(&bridge->dev->dev, "can't determine aperture size\n");
rc = -EINVAL;
goto err_out;
}
if (bridge->driver->create_gatt_table(bridge)) {
- printk(KERN_ERR PFX
- "unable to get memory for graphics translation table.\n");
+ dev_err(&bridge->dev->dev,
+ "can't get memory for graphics translation table\n");
rc = -ENOMEM;
goto err_out;
}
@@ -169,7 +170,8 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
bridge->key_list = vmalloc(PAGE_SIZE * 4);
if (bridge->key_list == NULL) {
- printk(KERN_ERR PFX "error allocating memory for key lists.\n");
+ dev_err(&bridge->dev->dev,
+ "can't allocate memory for key lists\n");
rc = -ENOMEM;
goto err_out;
}
@@ -179,10 +181,12 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
memset(bridge->key_list, 0, PAGE_SIZE * 4);
if (bridge->driver->configure()) {
- printk(KERN_ERR PFX "error configuring host chipset.\n");
+ dev_err(&bridge->dev->dev, "error configuring host chipset\n");
rc = -EINVAL;
goto err_out;
}
+ INIT_LIST_HEAD(&bridge->mapped_list);
+ spin_lock_init(&bridge->mapped_lock);
return 0;
@@ -269,25 +273,27 @@ int agp_add_bridge(struct agp_bridge_data *bridge)
/* Grab reference on the chipset driver. */
if (!try_module_get(bridge->driver->owner)) {
- printk (KERN_INFO PFX "Couldn't lock chipset driver.\n");
+ dev_info(&bridge->dev->dev, "can't lock chipset driver\n");
return -EINVAL;
}
error = agp_backend_initialize(bridge);
if (error) {
- printk (KERN_INFO PFX "agp_backend_initialize() failed.\n");
+ dev_info(&bridge->dev->dev,
+ "agp_backend_initialize() failed\n");
goto err_out;
}
if (list_empty(&agp_bridges)) {
error = agp_frontend_initialize();
if (error) {
- printk (KERN_INFO PFX "agp_frontend_initialize() failed.\n");
+ dev_info(&bridge->dev->dev,
+ "agp_frontend_initialize() failed\n");
goto frontend_err;
}
- printk(KERN_INFO PFX "AGP aperture is %dM @ 0x%lx\n",
- bridge->driver->fetch_size(), bridge->gart_bus_addr);
+ dev_info(&bridge->dev->dev, "AGP aperture is %dM @ 0x%lx\n",
+ bridge->driver->fetch_size(), bridge->gart_bus_addr);
}
diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c
index eaa1a355bb3..118dbde25dc 100644
--- a/drivers/char/agp/generic.c
+++ b/drivers/char/agp/generic.c
@@ -429,6 +429,10 @@ int agp_bind_memory(struct agp_memory *curr, off_t pg_start)
curr->is_bound = true;
curr->pg_start = pg_start;
+ spin_lock(&agp_bridge->mapped_lock);
+ list_add(&curr->mapped_list, &agp_bridge->mapped_list);
+ spin_unlock(&agp_bridge->mapped_lock);
+
return 0;
}
EXPORT_SYMBOL(agp_bind_memory);
@@ -461,10 +465,34 @@ int agp_unbind_memory(struct agp_memory *curr)
curr->is_bound = false;
curr->pg_start = 0;
+ spin_lock(&curr->bridge->mapped_lock);
+ list_del(&curr->mapped_list);
+ spin_unlock(&curr->bridge->mapped_lock);
return 0;
}
EXPORT_SYMBOL(agp_unbind_memory);
+/**
+ * agp_rebind_emmory - Rewrite the entire GATT, useful on resume
+ */
+int agp_rebind_memory(void)
+{
+ struct agp_memory *curr;
+ int ret_val = 0;
+
+ spin_lock(&agp_bridge->mapped_lock);
+ list_for_each_entry(curr, &agp_bridge->mapped_list, mapped_list) {
+ ret_val = curr->bridge->driver->insert_memory(curr,
+ curr->pg_start,
+ curr->type);
+ if (ret_val != 0)
+ break;
+ }
+ spin_unlock(&agp_bridge->mapped_lock);
+ return ret_val;
+}
+EXPORT_SYMBOL(agp_rebind_memory);
+
/* End - Routines for handling swapping of agp_memory into the GATT */
@@ -771,8 +799,8 @@ void agp_device_command(u32 bridge_agpstat, bool agp_v3)
if (!agp)
continue;
- printk(KERN_INFO PFX "Putting AGP V%d device at %s into %dx mode\n",
- agp_v3 ? 3 : 2, pci_name(device), mode);
+ dev_info(&device->dev, "putting AGP V%d device into %dx mode\n",
+ agp_v3 ? 3 : 2, mode);
pci_write_config_dword(device, agp + PCI_AGP_COMMAND, bridge_agpstat);
}
}
@@ -800,10 +828,8 @@ void agp_generic_enable(struct agp_bridge_data *bridge, u32 requested_mode)
get_agp_version(agp_bridge);
- printk(KERN_INFO PFX "Found an AGP %d.%d compliant device at %s.\n",
- agp_bridge->major_version,
- agp_bridge->minor_version,
- pci_name(agp_bridge->dev));
+ dev_info(&agp_bridge->dev->dev, "AGP %d.%d bridge\n",
+ agp_bridge->major_version, agp_bridge->minor_version);
pci_read_config_dword(agp_bridge->dev,
agp_bridge->capndx + PCI_AGP_STATUS, &bridge_agpstat);
@@ -832,8 +858,7 @@ void agp_generic_enable(struct agp_bridge_data *bridge, u32 requested_mode)
pci_write_config_dword(bridge->dev,
bridge->capndx+AGPCTRL, temp);
- printk(KERN_INFO PFX "Device is in legacy mode,"
- " falling back to 2.x\n");
+ dev_info(&bridge->dev->dev, "bridge is in legacy mode, falling back to 2.x\n");
}
}
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index df702642ab8..016fdf0623a 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -32,8 +32,8 @@
#define PCI_DEVICE_ID_INTEL_Q35_IG 0x29B2
#define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0
#define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2
-#define PCI_DEVICE_ID_INTEL_IGD_HB 0x2A40
-#define PCI_DEVICE_ID_INTEL_IGD_IG 0x2A42
+#define PCI_DEVICE_ID_INTEL_GM45_HB 0x2A40
+#define PCI_DEVICE_ID_INTEL_GM45_IG 0x2A42
#define PCI_DEVICE_ID_INTEL_IGD_E_HB 0x2E00
#define PCI_DEVICE_ID_INTEL_IGD_E_IG 0x2E02
#define PCI_DEVICE_ID_INTEL_Q45_HB 0x2E10
@@ -55,7 +55,7 @@
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB || \
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_HB)
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB)
#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
@@ -161,7 +161,7 @@ static int intel_i810_fetch_size(void)
values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes);
if ((smram_miscc & I810_GMS) == I810_GMS_DISABLE) {
- printk(KERN_WARNING PFX "i810 is disabled\n");
+ dev_warn(&agp_bridge->dev->dev, "i810 is disabled\n");
return 0;
}
if ((smram_miscc & I810_GFX_MEM_WIN_SIZE) == I810_GFX_MEM_WIN_32M) {
@@ -193,7 +193,8 @@ static int intel_i810_configure(void)
intel_private.registers = ioremap(temp, 128 * 4096);
if (!intel_private.registers) {
- printk(KERN_ERR PFX "Unable to remap memory.\n");
+ dev_err(&intel_private.pcidev->dev,
+ "can't remap memory\n");
return -ENOMEM;
}
}
@@ -201,7 +202,8 @@ static int intel_i810_configure(void)
if ((readl(intel_private.registers+I810_DRAM_CTL)
& I810_DRAM_ROW_0) == I810_DRAM_ROW_0_SDRAM) {
/* This will need to be dynamically assigned */
- printk(KERN_INFO PFX "detected 4MB dedicated video ram.\n");
+ dev_info(&intel_private.pcidev->dev,
+ "detected 4MB dedicated video ram\n");
intel_private.num_dcache_entries = 1024;
}
pci_read_config_dword(intel_private.pcidev, I810_GMADDR, &temp);
@@ -500,8 +502,8 @@ static void intel_i830_init_gtt_entries(void)
size = 1024 + 512;
break;
default:
- printk(KERN_INFO PFX "Unknown page table size, "
- "assuming 512KB\n");
+ dev_info(&intel_private.pcidev->dev,
+ "unknown page table size, assuming 512KB\n");
size = 512;
}
size += 4; /* add in BIOS popup space */
@@ -515,8 +517,8 @@ static void intel_i830_init_gtt_entries(void)
size = 2048;
break;
default:
- printk(KERN_INFO PFX "Unknown page table size 0x%x, "
- "assuming 512KB\n",
+ dev_info(&agp_bridge->dev->dev,
+ "unknown page table size 0x%x, assuming 512KB\n",
(gmch_ctrl & G33_PGETBL_SIZE_MASK));
size = 512;
}
@@ -627,11 +629,11 @@ static void intel_i830_init_gtt_entries(void)
}
}
if (gtt_entries > 0)
- printk(KERN_INFO PFX "Detected %dK %s memory.\n",
+ dev_info(&agp_bridge->dev->dev, "detected %dK %s memory\n",
gtt_entries / KB(1), local ? "local" : "stolen");
else
- printk(KERN_INFO PFX
- "No pre-allocated video memory detected.\n");
+ dev_info(&agp_bridge->dev->dev,
+ "no pre-allocated video memory detected\n");
gtt_entries /= KB(4);
intel_private.gtt_entries = gtt_entries;
@@ -801,10 +803,12 @@ static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start,
num_entries = A_SIZE_FIX(temp)->num_entries;
if (pg_start < intel_private.gtt_entries) {
- printk(KERN_DEBUG PFX "pg_start == 0x%.8lx,intel_private.gtt_entries == 0x%.8x\n",
- pg_start, intel_private.gtt_entries);
+ dev_printk(KERN_DEBUG, &intel_private.pcidev->dev,
+ "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n",
+ pg_start, intel_private.gtt_entries);
- printk(KERN_INFO PFX "Trying to insert into local/stolen memory\n");
+ dev_info(&intel_private.pcidev->dev,
+ "trying to insert into local/stolen memory\n");
goto out_err;
}
@@ -851,7 +855,8 @@ static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start,
return 0;
if (pg_start < intel_private.gtt_entries) {
- printk(KERN_INFO PFX "Trying to disable local/stolen memory\n");
+ dev_info(&intel_private.pcidev->dev,
+ "trying to disable local/stolen memory\n");
return -EINVAL;
}
@@ -957,7 +962,7 @@ static void intel_i9xx_setup_flush(void)
if (intel_private.ifp_resource.start) {
intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE);
if (!intel_private.i9xx_flush_page)
- printk(KERN_INFO "unable to ioremap flush page - no chipset flushing");
+ dev_info(&intel_private.pcidev->dev, "can't ioremap flush page - no chipset flushing");
}
}
@@ -1028,10 +1033,12 @@ static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start,
num_entries = A_SIZE_FIX(temp)->num_entries;
if (pg_start < intel_private.gtt_entries) {
- printk(KERN_DEBUG PFX "pg_start == 0x%.8lx,intel_private.gtt_entries == 0x%.8x\n",
- pg_start, intel_private.gtt_entries);
+ dev_printk(KERN_DEBUG, &intel_private.pcidev->dev,
+ "pg_start == 0x%.8lx, intel_private.gtt_entries == 0x%.8x\n",
+ pg_start, intel_private.gtt_entries);
- printk(KERN_INFO PFX "Trying to insert into local/stolen memory\n");
+ dev_info(&intel_private.pcidev->dev,
+ "trying to insert into local/stolen memory\n");
goto out_err;
}
@@ -1078,7 +1085,8 @@ static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start,
return 0;
if (pg_start < intel_private.gtt_entries) {
- printk(KERN_INFO PFX "Trying to disable local/stolen memory\n");
+ dev_info(&intel_private.pcidev->dev,
+ "trying to disable local/stolen memory\n");
return -EINVAL;
}
@@ -1182,7 +1190,7 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge,
static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
{
switch (agp_bridge->dev->device) {
- case PCI_DEVICE_ID_INTEL_IGD_HB:
+ case PCI_DEVICE_ID_INTEL_GM45_HB:
case PCI_DEVICE_ID_INTEL_IGD_E_HB:
case PCI_DEVICE_ID_INTEL_Q45_HB:
case PCI_DEVICE_ID_INTEL_G45_HB:
@@ -1379,7 +1387,7 @@ static int intel_815_configure(void)
/* the Intel 815 chipset spec. says that bits 29-31 in the
* ATTBASE register are reserved -> try not to write them */
if (agp_bridge->gatt_bus_addr & INTEL_815_ATTBASE_MASK) {
- printk(KERN_EMERG PFX "gatt bus addr too high");
+ dev_emerg(&agp_bridge->dev->dev, "gatt bus addr too high");
return -EINVAL;
}
@@ -2117,8 +2125,8 @@ static const struct intel_driver_description {
NULL, &intel_g33_driver },
{ PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33",
NULL, &intel_g33_driver },
- { PCI_DEVICE_ID_INTEL_IGD_HB, PCI_DEVICE_ID_INTEL_IGD_IG, 0,
- "Intel Integrated Graphics Device", NULL, &intel_i965_driver },
+ { PCI_DEVICE_ID_INTEL_GM45_HB, PCI_DEVICE_ID_INTEL_GM45_IG, 0,
+ "Mobile Intel? GM45 Express", NULL, &intel_i965_driver },
{ PCI_DEVICE_ID_INTEL_IGD_E_HB, PCI_DEVICE_ID_INTEL_IGD_E_IG, 0,
"Intel Integrated Graphics Device", NULL, &intel_i965_driver },
{ PCI_DEVICE_ID_INTEL_Q45_HB, PCI_DEVICE_ID_INTEL_Q45_IG, 0,
@@ -2163,8 +2171,8 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
if (intel_agp_chipsets[i].name == NULL) {
if (cap_ptr)
- printk(KERN_WARNING PFX "Unsupported Intel chipset"
- "(device id: %04x)\n", pdev->device);
+ dev_warn(&pdev->dev, "unsupported Intel chipset [%04x/%04x]\n",
+ pdev->vendor, pdev->device);
agp_put_bridge(bridge);
return -ENODEV;
}
@@ -2172,9 +2180,8 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
if (bridge->driver == NULL) {
/* bridge has no AGP and no IGD detected */
if (cap_ptr)
- printk(KERN_WARNING PFX "Failed to find bridge device "
- "(chip_id: %04x)\n",
- intel_agp_chipsets[i].gmch_chip_id);
+ dev_warn(&pdev->dev, "can't find bridge device (chip_id: %04x)\n",
+ intel_agp_chipsets[i].gmch_chip_id);
agp_put_bridge(bridge);
return -ENODEV;
}
@@ -2183,8 +2190,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
bridge->capndx = cap_ptr;
bridge->dev_private_data = &intel_private;
- printk(KERN_INFO PFX "Detected an Intel %s Chipset.\n",
- intel_agp_chipsets[i].name);
+ dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name);
/*
* The following fixes the case where the BIOS has "forgotten" to
@@ -2194,7 +2200,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
r = &pdev->resource[0];
if (!r->start && r->end) {
if (pci_assign_resource(pdev, 0)) {
- printk(KERN_ERR PFX "could not assign resource 0\n");
+ dev_err(&pdev->dev, "can't assign resource 0\n");
agp_put_bridge(bridge);
return -ENODEV;
}
@@ -2206,7 +2212,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
* 20030610 - hamish@zot.org
*/
if (pci_enable_device(pdev)) {
- printk(KERN_ERR PFX "Unable to Enable PCI device\n");
+ dev_err(&pdev->dev, "can't enable PCI device\n");
agp_put_bridge(bridge);
return -ENODEV;
}
@@ -2238,6 +2244,7 @@ static void __devexit agp_intel_remove(struct pci_dev *pdev)
static int agp_intel_resume(struct pci_dev *pdev)
{
struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
+ int ret_val;
pci_restore_state(pdev);
@@ -2265,6 +2272,10 @@ static int agp_intel_resume(struct pci_dev *pdev)
else if (bridge->driver == &intel_i965_driver)
intel_i915_configure();
+ ret_val = agp_rebind_memory();
+ if (ret_val != 0)
+ return ret_val;
+
return 0;
}
#endif
@@ -2315,7 +2326,7 @@ static struct pci_device_id agp_intel_pci_table[] = {
ID(PCI_DEVICE_ID_INTEL_G33_HB),
ID(PCI_DEVICE_ID_INTEL_Q35_HB),
ID(PCI_DEVICE_ID_INTEL_Q33_HB),
- ID(PCI_DEVICE_ID_INTEL_IGD_HB),
+ ID(PCI_DEVICE_ID_INTEL_GM45_HB),
ID(PCI_DEVICE_ID_INTEL_IGD_E_HB),
ID(PCI_DEVICE_ID_INTEL_Q45_HB),
ID(PCI_DEVICE_ID_INTEL_G45_HB),
diff --git a/drivers/char/agp/isoch.c b/drivers/char/agp/isoch.c
index 3f9ccde6237..c73385cc4b8 100644
--- a/drivers/char/agp/isoch.c
+++ b/drivers/char/agp/isoch.c
@@ -153,7 +153,7 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
/* Check if this configuration has any chance of working */
if (tot_bw > target.maxbw) {
- printk(KERN_ERR PFX "isochronous bandwidth required "
+ dev_err(&td->dev, "isochronous bandwidth required "
"by AGP 3.0 devices exceeds that which is supported by "
"the AGP 3.0 bridge!\n");
ret = -ENODEV;
@@ -188,7 +188,7 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
/* Exit if the minimal ISOCH_N allocation among the masters is more
* than the target can handle. */
if (tot_n > target.n) {
- printk(KERN_ERR PFX "number of isochronous "
+ dev_err(&td->dev, "number of isochronous "
"transactions per period required by AGP 3.0 devices "
"exceeds that which is supported by the AGP 3.0 "
"bridge!\n");
@@ -229,7 +229,7 @@ static int agp_3_5_isochronous_node_enable(struct agp_bridge_data *bridge,
/* Exit if the minimal RQ needs of the masters exceeds what the target
* can provide. */
if (tot_rq > rq_isoch) {
- printk(KERN_ERR PFX "number of request queue slots "
+ dev_err(&td->dev, "number of request queue slots "
"required by the isochronous bandwidth requested by "
"AGP 3.0 devices exceeds the number provided by the "
"AGP 3.0 bridge!\n");
@@ -359,8 +359,9 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
case 0x0001: /* Unclassified device */
/* Don't know what this is, but log it for investigation. */
if (mcapndx != 0) {
- printk (KERN_INFO PFX "Wacky, found unclassified AGP device. %x:%x\n",
- dev->vendor, dev->device);
+ dev_info(&td->dev, "wacky, found unclassified AGP device %s [%04x/%04x]\n",
+ pci_name(dev),
+ dev->vendor, dev->device);
}
continue;
@@ -407,17 +408,18 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
}
if (mcapndx == 0) {
- printk(KERN_ERR PFX "woah! Non-AGP device "
- "found on the secondary bus of an AGP 3.5 bridge!\n");
+ dev_err(&td->dev, "woah! Non-AGP device %s on "
+ "secondary bus of AGP 3.5 bridge!\n",
+ pci_name(dev));
ret = -ENODEV;
goto free_and_exit;
}
mmajor = (ncapid >> AGP_MAJOR_VERSION_SHIFT) & 0xf;
if (mmajor < 3) {
- printk(KERN_ERR PFX "woah! AGP 2.0 device "
- "found on the secondary bus of an AGP 3.5 "
- "bridge operating with AGP 3.0 electricals!\n");
+ dev_err(&td->dev, "woah! AGP 2.0 device %s on "
+ "secondary bus of AGP 3.5 bridge operating "
+ "with AGP 3.0 electricals!\n", pci_name(dev));
ret = -ENODEV;
goto free_and_exit;
}
@@ -427,10 +429,10 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
pci_read_config_dword(dev, cur->capndx+AGPSTAT, &mstatus);
if (((mstatus >> 3) & 0x1) == 0) {
- printk(KERN_ERR PFX "woah! AGP 3.x device "
- "not operating in AGP 3.x mode found on the "
- "secondary bus of an AGP 3.5 bridge operating "
- "with AGP 3.0 electricals!\n");
+ dev_err(&td->dev, "woah! AGP 3.x device %s not "
+ "operating in AGP 3.x mode on secondary bus "
+ "of AGP 3.5 bridge operating with AGP 3.0 "
+ "electricals!\n", pci_name(dev));
ret = -ENODEV;
goto free_and_exit;
}
@@ -444,9 +446,9 @@ int agp_3_5_enable(struct agp_bridge_data *bridge)
if (isoch) {
ret = agp_3_5_isochronous_node_enable(bridge, dev_list, ndevs);
if (ret) {
- printk(KERN_INFO PFX "Something bad happened setting "
- "up isochronous xfers. Falling back to "
- "non-isochronous xfer mode.\n");
+ dev_info(&td->dev, "something bad happened setting "
+ "up isochronous xfers; falling back to "
+ "non-isochronous xfer mode\n");
} else {
goto free_and_exit;
}
@@ -466,4 +468,3 @@ free_and_exit:
get_out:
return ret;
}
-
diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c
index b6791846809..2587ef96a96 100644
--- a/drivers/char/agp/sis-agp.c
+++ b/drivers/char/agp/sis-agp.c
@@ -79,10 +79,8 @@ static void sis_delayed_enable(struct agp_bridge_data *bridge, u32 mode)
u32 command;
int rate;
- printk(KERN_INFO PFX "Found an AGP %d.%d compliant device at %s.\n",
- agp_bridge->major_version,
- agp_bridge->minor_version,
- pci_name(agp_bridge->dev));
+ dev_info(&agp_bridge->dev->dev, "AGP %d.%d bridge\n",
+ agp_bridge->major_version, agp_bridge->minor_version);
pci_read_config_dword(agp_bridge->dev, agp_bridge->capndx + PCI_AGP_STATUS, &command);
command = agp_collect_device_status(bridge, mode, command);
@@ -94,8 +92,8 @@ static void sis_delayed_enable(struct agp_bridge_data *bridge, u32 mode)
if (!agp)
continue;
- printk(KERN_INFO PFX "Putting AGP V3 device at %s into %dx mode\n",
- pci_name(device), rate);
+ dev_info(&agp_bridge->dev->dev, "putting AGP V3 device at %s into %dx mode\n",
+ pci_name(device), rate);
pci_write_config_dword(device, agp + PCI_AGP_COMMAND, command);
@@ -105,7 +103,7 @@ static void sis_delayed_enable(struct agp_bridge_data *bridge, u32 mode)
* cannot be configured
*/
if (device->device == bridge->dev->device) {
- printk(KERN_INFO PFX "SiS delay workaround: giving bridge time to recover.\n");
+ dev_info(&agp_bridge->dev->dev, "SiS delay workaround: giving bridge time to recover\n");
msleep(10);
}
}
@@ -190,7 +188,8 @@ static int __devinit agp_sis_probe(struct pci_dev *pdev,
return -ENODEV;
- printk(KERN_INFO PFX "Detected SiS chipset - id:%i\n", pdev->device);
+ dev_info(&pdev->dev, "SiS chipset [%04x/%04x]\n",
+ pdev->vendor, pdev->device);
bridge = agp_alloc_bridge();
if (!bridge)
return -ENOMEM;
@@ -242,7 +241,7 @@ static struct pci_device_id agp_sis_pci_table[] = {
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor = PCI_VENDOR_ID_SI,
- .device = PCI_DEVICE_ID_SI_5591_AGP,
+ .device = PCI_DEVICE_ID_SI_5591,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
index 0e054c13449..2fb27fe4c10 100644
--- a/drivers/char/agp/sworks-agp.c
+++ b/drivers/char/agp/sworks-agp.c
@@ -241,7 +241,8 @@ static void serverworks_tlbflush(struct agp_memory *temp)
while (readb(serverworks_private.registers+SVWRKS_POSTFLUSH) == 1) {
cpu_relax();
if (time_after(jiffies, timeout)) {
- printk(KERN_ERR PFX "TLB post flush took more than 3 seconds\n");
+ dev_err(&serverworks_private.svrwrks_dev->dev,
+ "TLB post flush took more than 3 seconds\n");
break;
}
}
@@ -251,7 +252,8 @@ static void serverworks_tlbflush(struct agp_memory *temp)
while (readl(serverworks_private.registers+SVWRKS_DIRFLUSH) == 1) {
cpu_relax();
if (time_after(jiffies, timeout)) {
- printk(KERN_ERR PFX "TLB Dir flush took more than 3 seconds\n");
+ dev_err(&serverworks_private.svrwrks_dev->dev,
+ "TLB Dir flush took more than 3 seconds\n");
break;
}
}
@@ -271,7 +273,7 @@ static int serverworks_configure(void)
temp = (temp & PCI_BASE_ADDRESS_MEM_MASK);
serverworks_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096);
if (!serverworks_private.registers) {
- printk (KERN_ERR PFX "Unable to ioremap() memory.\n");
+ dev_err(&agp_bridge->dev->dev, "can't ioremap(%#x)\n", temp);
return -ENOMEM;
}
@@ -451,7 +453,7 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
switch (pdev->device) {
case 0x0006:
- printk (KERN_ERR PFX "ServerWorks CNB20HE is unsupported due to lack of documentation.\n");
+ dev_err(&pdev->dev, "ServerWorks CNB20HE is unsupported due to lack of documentation\n");
return -ENODEV;
case PCI_DEVICE_ID_SERVERWORKS_HE:
@@ -461,8 +463,8 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
default:
if (cap_ptr)
- printk(KERN_ERR PFX "Unsupported Serverworks chipset "
- "(device id: %04x)\n", pdev->device);
+ dev_err(&pdev->dev, "unsupported Serverworks chipset "
+ "[%04x/%04x]\n", pdev->vendor, pdev->device);
return -ENODEV;
}
@@ -470,8 +472,7 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
bridge_dev = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
PCI_DEVFN(0, 1));
if (!bridge_dev) {
- printk(KERN_INFO PFX "Detected a Serverworks chipset "
- "but could not find the secondary device.\n");
+ dev_info(&pdev->dev, "can't find secondary device\n");
return -ENODEV;
}
@@ -482,8 +483,8 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
if (temp & PCI_BASE_ADDRESS_MEM_TYPE_64) {
pci_read_config_dword(pdev, SVWRKS_APSIZE + 4, &temp2);
if (temp2 != 0) {
- printk(KERN_INFO PFX "Detected 64 bit aperture address, "
- "but top bits are not zero. Disabling agp\n");
+ dev_info(&pdev->dev, "64 bit aperture address, "
+ "but top bits are not zero; disabling AGP\n");
return -ENODEV;
}
serverworks_private.mm_addr_ofs = 0x18;
@@ -495,8 +496,8 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
pci_read_config_dword(pdev,
serverworks_private.mm_addr_ofs + 4, &temp2);
if (temp2 != 0) {
- printk(KERN_INFO PFX "Detected 64 bit MMIO address, "
- "but top bits are not zero. Disabling agp\n");
+ dev_info(&pdev->dev, "64 bit MMIO address, but top "
+ "bits are not zero; disabling AGP\n");
return -ENODEV;
}
}
diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c
index d2fa3cfca02..eef72709ec5 100644
--- a/drivers/char/agp/uninorth-agp.c
+++ b/drivers/char/agp/uninorth-agp.c
@@ -46,8 +46,8 @@ static int uninorth_fetch_size(void)
break;
if (i == agp_bridge->driver->num_aperture_sizes) {
- printk(KERN_ERR PFX "Invalid aperture size, using"
- " default\n");
+ dev_err(&agp_bridge->dev->dev, "invalid aperture size, "
+ "using default\n");
size = 0;
aperture = NULL;
}
@@ -108,8 +108,8 @@ static int uninorth_configure(void)
current_size = A_SIZE_32(agp_bridge->current_size);
- printk(KERN_INFO PFX "configuring for size idx: %d\n",
- current_size->size_value);
+ dev_info(&agp_bridge->dev->dev, "configuring for size idx: %d\n",
+ current_size->size_value);
/* aperture size and gatt addr */
pci_write_config_dword(agp_bridge->dev,
@@ -197,8 +197,9 @@ static int u3_insert_memory(struct agp_memory *mem, off_t pg_start, int type)
gp = (u32 *) &agp_bridge->gatt_table[pg_start];
for (i = 0; i < mem->page_count; ++i) {
if (gp[i]) {
- printk("u3_insert_memory: entry 0x%x occupied (%x)\n",
- i, gp[i]);
+ dev_info(&agp_bridge->dev->dev,
+ "u3_insert_memory: entry 0x%x occupied (%x)\n",
+ i, gp[i]);
return -EBUSY;
}
}
@@ -276,8 +277,8 @@ static void uninorth_agp_enable(struct agp_bridge_data *bridge, u32 mode)
&scratch);
} while ((scratch & PCI_AGP_COMMAND_AGP) == 0 && ++timeout < 1000);
if ((scratch & PCI_AGP_COMMAND_AGP) == 0)
- printk(KERN_ERR PFX "failed to write UniNorth AGP"
- " command register\n");
+ dev_err(&bridge->dev->dev, "can't write UniNorth AGP "
+ "command register\n");
if (uninorth_rev >= 0x30) {
/* This is an AGP V3 */
@@ -330,8 +331,8 @@ static int agp_uninorth_suspend(struct pci_dev *pdev)
pci_read_config_dword(device, agp + PCI_AGP_COMMAND, &cmd);
if (!(cmd & PCI_AGP_COMMAND_AGP))
continue;
- printk("uninorth-agp: disabling AGP on device %s\n",
- pci_name(device));
+ dev_info(&pdev->dev, "disabling AGP on device %s\n",
+ pci_name(device));
cmd &= ~PCI_AGP_COMMAND_AGP;
pci_write_config_dword(device, agp + PCI_AGP_COMMAND, cmd);
}
@@ -341,8 +342,7 @@ static int agp_uninorth_suspend(struct pci_dev *pdev)
pci_read_config_dword(pdev, agp + PCI_AGP_COMMAND, &cmd);
bridge->dev_private_data = (void *)(long)cmd;
if (cmd & PCI_AGP_COMMAND_AGP) {
- printk("uninorth-agp: disabling AGP on bridge %s\n",
- pci_name(pdev));
+ dev_info(&pdev->dev, "disabling AGP on bridge\n");
cmd &= ~PCI_AGP_COMMAND_AGP;
pci_write_config_dword(pdev, agp + PCI_AGP_COMMAND, cmd);
}
@@ -591,14 +591,14 @@ static int __devinit agp_uninorth_probe(struct pci_dev *pdev,
/* probe for known chipsets */
for (j = 0; devs[j].chipset_name != NULL; ++j) {
if (pdev->device == devs[j].device_id) {
- printk(KERN_INFO PFX "Detected Apple %s chipset\n",
- devs[j].chipset_name);
+ dev_info(&pdev->dev, "Apple %s chipset\n",
+ devs[j].chipset_name);
goto found;
}
}
- printk(KERN_ERR PFX "Unsupported Apple chipset (device id: %04x).\n",
- pdev->device);
+ dev_err(&pdev->dev, "unsupported Apple chipset [%04x/%04x]\n",
+ pdev->vendor, pdev->device);
return -ENODEV;
found:
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 3530ff417a5..6e763e3f5a8 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -1254,7 +1254,7 @@ static int rs_break(struct tty_struct *tty, int break_state)
unsigned long flags;
if (serial_paranoia_check(info, tty->name, "rs_break"))
- return;
+ return -EINVAL;
local_irq_save(flags);
if (break_state == -1)
diff --git a/drivers/char/ds1620.c b/drivers/char/ds1620.c
index 34275c6f1da..74e9cd81b5b 100644
--- a/drivers/char/ds1620.c
+++ b/drivers/char/ds1620.c
@@ -10,7 +10,7 @@
#include <linux/init.h>
#include <linux/smp_lock.h>
-#include <asm/hardware.h>
+#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/uaccess.h>
#include <asm/therm.h>
diff --git a/drivers/char/efirtc.c b/drivers/char/efirtc.c
index 67fbd7aab5d..34d15d54823 100644
--- a/drivers/char/efirtc.c
+++ b/drivers/char/efirtc.c
@@ -37,7 +37,6 @@
#include <linux/rtc.h>
#include <linux/proc_fs.h>
#include <linux/efi.h>
-#include <linux/smp_lock.h>
#include <linux/uaccess.h>
#include <asm/system.h>
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 02aac104842..fd64137b1ab 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -322,11 +322,10 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
hp->tty = tty;
- if (hp->ops->notifier_add)
- rc = hp->ops->notifier_add(hp, hp->data);
-
spin_unlock_irqrestore(&hp->lock, flags);
+ if (hp->ops->notifier_add)
+ rc = hp->ops->notifier_add(hp, hp->data);
/*
* If the notifier fails we return an error. The tty layer
diff --git a/drivers/char/hvc_console.h b/drivers/char/hvc_console.h
index d9ce1091562..9790201718a 100644
--- a/drivers/char/hvc_console.h
+++ b/drivers/char/hvc_console.h
@@ -6,7 +6,7 @@
* Ryan S. Arnold <rsa@us.ibm.com>
*
* hvc_console header information:
- * moved here from include/asm-powerpc/hvconsole.h
+ * moved here from arch/powerpc/include/asm/hvconsole.h
* and drivers/char/hvc_console.c
*
* This program is free software; you can redistribute it and/or modify
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c
index 786d518e947..473d9b14439 100644
--- a/drivers/char/hvcs.c
+++ b/drivers/char/hvcs.c
@@ -114,7 +114,7 @@
* the hvcs_final_close() function in order to get it out of the spinlock.
* Rearranged hvcs_close(). Cleaned up some printks and did some housekeeping
* on the changelog. Removed local CLC_LENGTH and used HVCS_CLC_LENGTH from
- * include/asm-powerpc/hvcserver.h
+ * arch/powerepc/include/asm/hvcserver.h
*
* 1.3.2 -> 1.3.3 Replaced yield() in hvcs_close() with tty_wait_until_sent() to
* prevent possible lockup with realtime scheduling as similarily pointed out by
diff --git a/drivers/char/hw_random/ixp4xx-rng.c b/drivers/char/hw_random/ixp4xx-rng.c
index bab43ca32ac..263567f5f39 100644
--- a/drivers/char/hw_random/ixp4xx-rng.c
+++ b/drivers/char/hw_random/ixp4xx-rng.c
@@ -23,7 +23,7 @@
#include <linux/hw_random.h>
#include <asm/io.h>
-#include <asm/hardware.h>
+#include <mach/hardware.h>
static int ixp4xx_rng_data_read(struct hwrng *rng, u32 *buffer)
diff --git a/drivers/char/hw_random/via-rng.c b/drivers/char/hw_random/via-rng.c
index f7feae4ebb5..128202e18fc 100644
--- a/drivers/char/hw_random/via-rng.c
+++ b/drivers/char/hw_random/via-rng.c
@@ -31,6 +31,7 @@
#include <asm/io.h>
#include <asm/msr.h>
#include <asm/cpufeature.h>
+#include <asm/i387.h>
#define PFX KBUILD_MODNAME ": "
@@ -67,16 +68,23 @@ enum {
* Another possible performance boost may come from simply buffering
* until we have 4 bytes, thus returning a u32 at a time,
* instead of the current u8-at-a-time.
+ *
+ * Padlock instructions can generate a spurious DNA fault, so
+ * we have to call them in the context of irq_ts_save/restore()
*/
static inline u32 xstore(u32 *addr, u32 edx_in)
{
u32 eax_out;
+ int ts_state;
+
+ ts_state = irq_ts_save();
asm(".byte 0x0F,0xA7,0xC0 /* xstore %%edi (addr=%0) */"
:"=m"(*addr), "=a"(eax_out)
:"D"(addr), "d"(edx_in));
+ irq_ts_restore(ts_state);
return eax_out;
}
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 192688344ed..f52931e1c16 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -66,8 +66,8 @@
#include <linux/ctype.h>
#ifdef CONFIG_PPC_OF
-#include <asm/of_device.h>
-#include <asm/of_platform.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
#endif
#define PFX "ipmi_si: "
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index e30575e8764..b638403e8e9 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -1612,8 +1612,10 @@ static int mxser_ioctl_special(unsigned int cmd, void __user *argp)
switch (cmd) {
case MOXA_GET_MAJOR:
- printk(KERN_WARNING "mxser: '%s' uses deprecated ioctl %x, fix "
- "your userspace\n", current->comm, cmd);
+ if (printk_ratelimit())
+ printk(KERN_WARNING "mxser: '%s' uses deprecated ioctl "
+ "%x (GET_MAJOR), fix your userspace\n",
+ current->comm, cmd);
return put_user(ttymajor, (int __user *)argp);
case MOXA_CHKPORTENABLE:
diff --git a/drivers/char/pcmcia/ipwireless/tty.c b/drivers/char/pcmcia/ipwireless/tty.c
index b1414507997..3a23e7694d5 100644
--- a/drivers/char/pcmcia/ipwireless/tty.c
+++ b/drivers/char/pcmcia/ipwireless/tty.c
@@ -29,7 +29,6 @@
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
#include <linux/uaccess.h>
-#include <linux/version.h>
#include "tty.h"
#include "network.h"
diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c
index d1fceabe3ae..c240562c218 100644
--- a/drivers/char/pcmcia/synclink_cs.c
+++ b/drivers/char/pcmcia/synclink_cs.c
@@ -232,7 +232,6 @@ typedef struct _mgslpc_info {
/* SPPP/Cisco HDLC device parts */
int netcount;
- int dosyncppp;
spinlock_t netlock;
#if SYNCLINK_GENERIC_HDLC
@@ -459,13 +458,11 @@ static int ttymajor=0;
static int debug_level = 0;
static int maxframe[MAX_DEVICE_COUNT] = {0,};
-static int dosyncppp[MAX_DEVICE_COUNT] = {1,1,1,1};
module_param(break_on_load, bool, 0);
module_param(ttymajor, int, 0);
module_param(debug_level, int, 0);
module_param_array(maxframe, int, NULL, 0);
-module_param_array(dosyncppp, int, NULL, 0);
MODULE_LICENSE("GPL");
@@ -2915,7 +2912,6 @@ static void mgslpc_add_device(MGSLPC_INFO *info)
if (info->line < MAX_DEVICE_COUNT) {
if (maxframe[info->line])
info->max_frame_size = maxframe[info->line];
- info->dosyncppp = dosyncppp[info->line];
}
mgslpc_device_count++;
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index d9799e2bcfb..f53d4d00faf 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -78,7 +78,6 @@
#include <linux/wait.h>
#include <linux/bcd.h>
#include <linux/delay.h>
-#include <linux/smp_lock.h>
#include <linux/uaccess.h>
#include <asm/current.h>
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index ef6706f0906..500f5176b6b 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -304,7 +304,6 @@ struct mgsl_struct {
/* generic HDLC device parts */
int netcount;
- int dosyncppp;
spinlock_t netlock;
#if SYNCLINK_GENERIC_HDLC
@@ -868,7 +867,6 @@ static int irq[MAX_ISA_DEVICES];
static int dma[MAX_ISA_DEVICES];
static int debug_level;
static int maxframe[MAX_TOTAL_DEVICES];
-static int dosyncppp[MAX_TOTAL_DEVICES];
static int txdmabufs[MAX_TOTAL_DEVICES];
static int txholdbufs[MAX_TOTAL_DEVICES];
@@ -879,7 +877,6 @@ module_param_array(irq, int, NULL, 0);
module_param_array(dma, int, NULL, 0);
module_param(debug_level, int, 0);
module_param_array(maxframe, int, NULL, 0);
-module_param_array(dosyncppp, int, NULL, 0);
module_param_array(txdmabufs, int, NULL, 0);
module_param_array(txholdbufs, int, NULL, 0);
@@ -4258,7 +4255,6 @@ static void mgsl_add_device( struct mgsl_struct *info )
if (info->line < MAX_TOTAL_DEVICES) {
if (maxframe[info->line])
info->max_frame_size = maxframe[info->line];
- info->dosyncppp = dosyncppp[info->line];
if (txdmabufs[info->line]) {
info->num_tx_dma_buffers = txdmabufs[info->line];
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 3e9058993e4..08911ed6649 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -47,7 +47,6 @@
#include <linux/module.h>
-#include <linux/version.h>
#include <linux/errno.h>
#include <linux/signal.h>
#include <linux/sched.h>
@@ -128,17 +127,14 @@ static int slgt_device_count;
static int ttymajor;
static int debug_level;
static int maxframe[MAX_DEVICES];
-static int dosyncppp[MAX_DEVICES];
module_param(ttymajor, int, 0);
module_param(debug_level, int, 0);
module_param_array(maxframe, int, NULL, 0);
-module_param_array(dosyncppp, int, NULL, 0);
MODULE_PARM_DESC(ttymajor, "TTY major device number override: 0=auto assigned");
MODULE_PARM_DESC(debug_level, "Debug syslog output: 0=disabled, 1 to 5=increasing detail");
MODULE_PARM_DESC(maxframe, "Maximum frame size used by device (4096 to 65535)");
-MODULE_PARM_DESC(dosyncppp, "Enable synchronous net device, 0=disable 1=enable");
/*
* tty support and callbacks
@@ -349,7 +345,6 @@ struct slgt_info {
/* SPPP/Cisco HDLC device parts */
int netcount;
- int dosyncppp;
spinlock_t netlock;
#if SYNCLINK_GENERIC_HDLC
struct net_device *netdev;
@@ -3405,7 +3400,6 @@ static void add_device(struct slgt_info *info)
if (info->line < MAX_DEVICES) {
if (maxframe[info->line])
info->max_frame_size = maxframe[info->line];
- info->dosyncppp = dosyncppp[info->line];
}
slgt_device_count++;
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index c0490cbd0db..6bdb44f7bec 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -270,7 +270,6 @@ typedef struct _synclinkmp_info {
/* SPPP/Cisco HDLC device parts */
int netcount;
- int dosyncppp;
spinlock_t netlock;
#if SYNCLINK_GENERIC_HDLC
@@ -469,13 +468,11 @@ static int ttymajor = 0;
*/
static int debug_level = 0;
static int maxframe[MAX_DEVICES] = {0,};
-static int dosyncppp[MAX_DEVICES] = {0,};
module_param(break_on_load, bool, 0);
module_param(ttymajor, int, 0);
module_param(debug_level, int, 0);
module_param_array(maxframe, int, NULL, 0);
-module_param_array(dosyncppp, int, NULL, 0);
static char *driver_name = "SyncLink MultiPort driver";
static char *driver_version = "$Revision: 4.38 $";
@@ -3752,7 +3749,6 @@ static void add_device(SLMP_INFO *info)
if (info->line < MAX_DEVICES) {
if (maxframe[info->line])
info->max_frame_size = maxframe[info->line];
- info->dosyncppp = dosyncppp[info->line];
}
synclinkmp_device_count++;
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index e1b46bc7e43..a27160ba21d 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1161,8 +1161,8 @@ void disassociate_ctty(int on_exit)
tty = get_current_tty();
if (tty) {
tty_pgrp = get_pid(tty->pgrp);
- mutex_unlock(&tty_mutex);
lock_kernel();
+ mutex_unlock(&tty_mutex);
/* XXX: here we race, there is nothing protecting tty */
if (on_exit && tty->driver->type != TTY_DRIVER_TYPE_PTY)
tty_vhangup(tty);
@@ -2496,45 +2496,25 @@ static int tiocgwinsz(struct tty_struct *tty, struct winsize __user *arg)
}
/**
- * tiocswinsz - implement window size set ioctl
- * @tty; tty
- * @arg: user buffer for result
+ * tty_do_resize - resize event
+ * @tty: tty being resized
+ * @real_tty: real tty (if using a pty/tty pair)
+ * @rows: rows (character)
+ * @cols: cols (character)
*
- * Copies the user idea of the window size to the kernel. Traditionally
- * this is just advisory information but for the Linux console it
- * actually has driver level meaning and triggers a VC resize.
- *
- * Locking:
- * Called function use the console_sem is used to ensure we do
- * not try and resize the console twice at once.
- * The tty->termios_mutex is used to ensure we don't double
- * resize and get confused. Lock order - tty->termios_mutex before
- * console sem
+ * Update the termios variables and send the neccessary signals to
+ * peform a terminal resize correctly
*/
-static int tiocswinsz(struct tty_struct *tty, struct tty_struct *real_tty,
- struct winsize __user *arg)
+int tty_do_resize(struct tty_struct *tty, struct tty_struct *real_tty,
+ struct winsize *ws)
{
- struct winsize tmp_ws;
struct pid *pgrp, *rpgrp;
unsigned long flags;
- if (copy_from_user(&tmp_ws, arg, sizeof(*arg)))
- return -EFAULT;
-
mutex_lock(&tty->termios_mutex);
- if (!memcmp(&tmp_ws, &tty->winsize, sizeof(*arg)))
+ if (!memcmp(ws, &tty->winsize, sizeof(*ws)))
goto done;
-
-#ifdef CONFIG_VT
- if (tty->driver->type == TTY_DRIVER_TYPE_CONSOLE) {
- if (vc_lock_resize(tty->driver_data, tmp_ws.ws_col,
- tmp_ws.ws_row)) {
- mutex_unlock(&tty->termios_mutex);
- return -ENXIO;
- }
- }
-#endif
/* Get the PID values and reference them so we can
avoid holding the tty ctrl lock while sending signals */
spin_lock_irqsave(&tty->ctrl_lock, flags);
@@ -2550,14 +2530,42 @@ static int tiocswinsz(struct tty_struct *tty, struct tty_struct *real_tty,
put_pid(pgrp);
put_pid(rpgrp);
- tty->winsize = tmp_ws;
- real_tty->winsize = tmp_ws;
+ tty->winsize = *ws;
+ real_tty->winsize = *ws;
done:
mutex_unlock(&tty->termios_mutex);
return 0;
}
/**
+ * tiocswinsz - implement window size set ioctl
+ * @tty; tty
+ * @arg: user buffer for result
+ *
+ * Copies the user idea of the window size to the kernel. Traditionally
+ * this is just advisory information but for the Linux console it
+ * actually has driver level meaning and triggers a VC resize.
+ *
+ * Locking:
+ * Driver dependant. The default do_resize method takes the
+ * tty termios mutex and ctrl_lock. The console takes its own lock
+ * then calls into the default method.
+ */
+
+static int tiocswinsz(struct tty_struct *tty, struct tty_struct *real_tty,
+ struct winsize __user *arg)
+{
+ struct winsize tmp_ws;
+ if (copy_from_user(&tmp_ws, arg, sizeof(*arg)))
+ return -EFAULT;
+
+ if (tty->ops->resize)
+ return tty->ops->resize(tty, real_tty, &tmp_ws);
+ else
+ return tty_do_resize(tty, real_tty, &tmp_ws);
+}
+
+/**
* tioccons - allow admin to move logical console
* @file: the file to become console
*
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index 241cbdea65a..f307f135cbf 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/char/tty_ldisc.c
@@ -169,7 +169,7 @@ static int tty_ldisc_get(int disc, struct tty_ldisc *ld)
if (disc < N_TTY || disc >= NR_LDISCS)
return -EINVAL;
err = tty_ldisc_try_get(disc, ld);
- if (err == -EAGAIN) {
+ if (err < 0) {
request_module("tty-ldisc-%d", disc);
err = tty_ldisc_try_get(disc, ld);
}
diff --git a/drivers/char/viocons.c b/drivers/char/viocons.c
deleted file mode 100644
index 65fb848e1cc..00000000000
--- a/drivers/char/viocons.c
+++ /dev/null
@@ -1,1171 +0,0 @@
-/* -*- linux-c -*-
- *
- * drivers/char/viocons.c
- *
- * iSeries Virtual Terminal
- *
- * Authors: Dave Boutcher <boutcher@us.ibm.com>
- * Ryan Arnold <ryanarn@us.ibm.com>
- * Colin Devilbiss <devilbis@us.ibm.com>
- * Stephen Rothwell
- *
- * (C) Copyright 2000, 2001, 2002, 2003, 2004 IBM Corporation
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) anyu later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <linux/kernel.h>
-#include <linux/proc_fs.h>
-#include <linux/errno.h>
-#include <linux/vmalloc.h>
-#include <linux/mm.h>
-#include <linux/console.h>
-#include <linux/module.h>
-#include <asm/uaccess.h>
-#include <linux/init.h>
-#include <linux/wait.h>
-#include <linux/spinlock.h>
-#include <asm/ioctls.h>
-#include <linux/kd.h>
-#include <linux/tty.h>
-#include <linux/tty_flip.h>
-#include <linux/sysrq.h>
-
-#include <asm/firmware.h>
-#include <asm/iseries/vio.h>
-#include <asm/iseries/hv_lp_event.h>
-#include <asm/iseries/hv_call_event.h>
-#include <asm/iseries/hv_lp_config.h>
-#include <asm/iseries/hv_call.h>
-
-#ifdef CONFIG_VT
-#error You must turn off CONFIG_VT to use CONFIG_VIOCONS
-#endif
-
-#define VIOTTY_MAGIC (0x0DCB)
-#define VTTY_PORTS 10
-
-#define VIOCONS_KERN_WARN KERN_WARNING "viocons: "
-#define VIOCONS_KERN_INFO KERN_INFO "viocons: "
-
-static DEFINE_SPINLOCK(consolelock);
-static DEFINE_SPINLOCK(consoleloglock);
-
-static int vio_sysrq_pressed;
-
-#define VIOCHAR_NUM_BUF 16
-
-/*
- * Our port information. We store a pointer to one entry in the
- * tty_driver_data
- */
-static struct port_info {
- int magic;
- struct tty_struct *tty;
- HvLpIndex lp;
- u8 vcons;
- u64 seq; /* sequence number of last HV send */
- u64 ack; /* last ack from HV */
-/*
- * When we get writes faster than we can send it to the partition,
- * buffer the data here. Note that used is a bit map of used buffers.
- * It had better have enough bits to hold VIOCHAR_NUM_BUF the bitops assume
- * it is a multiple of unsigned long
- */
- unsigned long used;
- u8 *buffer[VIOCHAR_NUM_BUF];
- int bufferBytes[VIOCHAR_NUM_BUF];
- int curbuf;
- int bufferOverflow;
- int overflowMessage;
-} port_info[VTTY_PORTS];
-
-#define viochar_is_console(pi) ((pi) == &port_info[0])
-#define viochar_port(pi) ((pi) - &port_info[0])
-
-static void initDataEvent(struct viocharlpevent *viochar, HvLpIndex lp);
-
-static struct tty_driver *viotty_driver;
-
-static void hvlog(char *fmt, ...)
-{
- int i;
- unsigned long flags;
- va_list args;
- static char buf[256];
-
- spin_lock_irqsave(&consoleloglock, flags);
- va_start(args, fmt);
- i = vscnprintf(buf, sizeof(buf) - 1, fmt, args);
- va_end(args);
- buf[i++] = '\r';
- HvCall_writeLogBuffer(buf, i);
- spin_unlock_irqrestore(&consoleloglock, flags);
-}
-
-static void hvlogOutput(const char *buf, int count)
-{
- unsigned long flags;
- int begin;
- int index;
- static const char cr = '\r';
-
- begin = 0;
- spin_lock_irqsave(&consoleloglock, flags);
- for (index = 0; index < count; index++) {
- if (buf[index] == '\n') {
- /*
- * Start right after the last '\n' or at the zeroth
- * array position and output the number of characters
- * including the newline.
- */
- HvCall_writeLogBuffer(&buf[begin], index - begin + 1);
- begin = index + 1;
- HvCall_writeLogBuffer(&cr, 1);
- }
- }
- if ((index - begin) > 0)
- HvCall_writeLogBuffer(&buf[begin], index - begin);
- spin_unlock_irqrestore(&consoleloglock, flags);
-}
-
-/*
- * Make sure we're pointing to a valid port_info structure. Shamelessly
- * plagerized from serial.c
- */
-static inline int viotty_paranoia_check(struct port_info *pi,
- char *name, const char *routine)
-{
- static const char *bad_pi_addr = VIOCONS_KERN_WARN
- "warning: bad address for port_info struct (%s) in %s\n";
- static const char *badmagic = VIOCONS_KERN_WARN
- "warning: bad magic number for port_info struct (%s) in %s\n";
-
- if ((pi < &port_info[0]) || (viochar_port(pi) > VTTY_PORTS)) {
- printk(bad_pi_addr, name, routine);
- return 1;
- }
- if (pi->magic != VIOTTY_MAGIC) {
- printk(badmagic, name, routine);
- return 1;
- }
- return 0;
-}
-
-/*
- * Add data to our pending-send buffers.
- *
- * NOTE: Don't use printk in here because it gets nastily recursive.
- * hvlog can be used to log to the hypervisor buffer
- */
-static int buffer_add(struct port_info *pi, const char *buf, size_t len)
-{
- size_t bleft;
- size_t curlen;
- const char *curbuf;
- int nextbuf;
-
- curbuf = buf;
- bleft = len;
- while (bleft > 0) {
- /*
- * If there is no space left in the current buffer, we have
- * filled everything up, so return. If we filled the previous
- * buffer we would already have moved to the next one.
- */
- if (pi->bufferBytes[pi->curbuf] == VIOCHAR_MAX_DATA) {
- hvlog ("\n\rviocons: No overflow buffer available for memcpy().\n");
- pi->bufferOverflow++;
- pi->overflowMessage = 1;
- break;
- }
-
- /*
- * Turn on the "used" bit for this buffer. If it's already on,
- * that's fine.
- */
- set_bit(pi->curbuf, &pi->used);
-
- /*
- * See if this buffer has been allocated. If not, allocate it.
- */
- if (pi->buffer[pi->curbuf] == NULL) {
- pi->buffer[pi->curbuf] =
- kmalloc(VIOCHAR_MAX_DATA, GFP_ATOMIC);
- if (pi->buffer[pi->curbuf] == NULL) {
- hvlog("\n\rviocons: kmalloc failed allocating spaces for buffer %d.",
- pi->curbuf);
- break;
- }
- }
-
- /* Figure out how much we can copy into this buffer. */
- if (bleft < (VIOCHAR_MAX_DATA - pi->bufferBytes[pi->curbuf]))
- curlen = bleft;
- else
- curlen = VIOCHAR_MAX_DATA - pi->bufferBytes[pi->curbuf];
-
- /* Copy the data into the buffer. */
- memcpy(pi->buffer[pi->curbuf] + pi->bufferBytes[pi->curbuf],
- curbuf, curlen);
-
- pi->bufferBytes[pi->curbuf] += curlen;
- curbuf += curlen;
- bleft -= curlen;
-
- /*
- * Now see if we've filled this buffer. If not then
- * we'll try to use it again later. If we've filled it
- * up then we'll advance the curbuf to the next in the
- * circular queue.
- */
- if (pi->bufferBytes[pi->curbuf] == VIOCHAR_MAX_DATA) {
- nextbuf = (pi->curbuf + 1) % VIOCHAR_NUM_BUF;
- /*
- * Move to the next buffer if it hasn't been used yet
- */
- if (test_bit(nextbuf, &pi->used) == 0)
- pi->curbuf = nextbuf;
- }
- }
- return len - bleft;
-}
-
-/*
- * Send pending data
- *
- * NOTE: Don't use printk in here because it gets nastily recursive.
- * hvlog can be used to log to the hypervisor buffer
- */
-static void send_buffers(struct port_info *pi)
-{
- HvLpEvent_Rc hvrc;
- int nextbuf;
- struct viocharlpevent *viochar;
- unsigned long flags;
-
- spin_lock_irqsave(&consolelock, flags);
-
- viochar = (struct viocharlpevent *)
- vio_get_event_buffer(viomajorsubtype_chario);
-
- /* Make sure we got a buffer */
- if (viochar == NULL) {
- hvlog("\n\rviocons: Can't get viochar buffer in sendBuffers().");
- spin_unlock_irqrestore(&consolelock, flags);
- return;
- }
-
- if (pi->used == 0) {
- hvlog("\n\rviocons: in sendbuffers(), but no buffers used.\n");
- vio_free_event_buffer(viomajorsubtype_chario, viochar);
- spin_unlock_irqrestore(&consolelock, flags);
- return;
- }
-
- /*
- * curbuf points to the buffer we're filling. We want to
- * start sending AFTER this one.
- */
- nextbuf = (pi->curbuf + 1) % VIOCHAR_NUM_BUF;
-
- /*
- * Loop until we find a buffer with the used bit on
- */
- while (test_bit(nextbuf, &pi->used) == 0)
- nextbuf = (nextbuf + 1) % VIOCHAR_NUM_BUF;
-
- initDataEvent(viochar, pi->lp);
-
- /*
- * While we have buffers with data, and our send window
- * is open, send them
- */
- while ((test_bit(nextbuf, &pi->used)) &&
- ((pi->seq - pi->ack) < VIOCHAR_WINDOW)) {
- viochar->len = pi->bufferBytes[nextbuf];
- viochar->event.xCorrelationToken = pi->seq++;
- viochar->event.xSizeMinus1 =
- offsetof(struct viocharlpevent, data) + viochar->len;
-
- memcpy(viochar->data, pi->buffer[nextbuf], viochar->len);
-
- hvrc = HvCallEvent_signalLpEvent(&viochar->event);
- if (hvrc) {
- /*
- * MUST unlock the spinlock before doing a printk
- */
- vio_free_event_buffer(viomajorsubtype_chario, viochar);
- spin_unlock_irqrestore(&consolelock, flags);
-
- printk(VIOCONS_KERN_WARN
- "error sending event! return code %d\n",
- (int)hvrc);
- return;
- }
-
- /*
- * clear the used bit, zero the number of bytes in
- * this buffer, and move to the next buffer
- */
- clear_bit(nextbuf, &pi->used);
- pi->bufferBytes[nextbuf] = 0;
- nextbuf = (nextbuf + 1) % VIOCHAR_NUM_BUF;
- }
-
- /*
- * If we have emptied all the buffers, start at 0 again.
- * this will re-use any allocated buffers
- */
- if (pi->used == 0) {
- pi->curbuf = 0;
-
- if (pi->overflowMessage)
- pi->overflowMessage = 0;
-
- if (pi->tty) {
- tty_wakeup(pi->tty);
- }
- }
-
- vio_free_event_buffer(viomajorsubtype_chario, viochar);
- spin_unlock_irqrestore(&consolelock, flags);
-}
-
-/*
- * Our internal writer. Gets called both from the console device and
- * the tty device. the tty pointer will be NULL if called from the console.
- * Return total number of bytes "written".
- *
- * NOTE: Don't use printk in here because it gets nastily recursive. hvlog
- * can be used to log to the hypervisor buffer
- */
-static int internal_write(struct port_info *pi, const char *buf, size_t len)
-{
- HvLpEvent_Rc hvrc;
- size_t bleft;
- size_t curlen;
- const char *curbuf;
- unsigned long flags;
- struct viocharlpevent *viochar;
-
- /*
- * Write to the hvlog of inbound data are now done prior to
- * calling internal_write() since internal_write() is only called in
- * the event that an lp event path is active, which isn't the case for
- * logging attempts prior to console initialization.
- *
- * If there is already data queued for this port, send it prior to
- * attempting to send any new data.
- */
- if (pi->used)
- send_buffers(pi);
-
- spin_lock_irqsave(&consolelock, flags);
-
- viochar = vio_get_event_buffer(viomajorsubtype_chario);
- if (viochar == NULL) {
- spin_unlock_irqrestore(&consolelock, flags);
- hvlog("\n\rviocons: Can't get vio buffer in internal_write().");
- return -EAGAIN;
- }
- initDataEvent(viochar, pi->lp);
-
- curbuf = buf;
- bleft = len;
-
- while ((bleft > 0) && (pi->used == 0) &&
- ((pi->seq - pi->ack) < VIOCHAR_WINDOW)) {
- if (bleft > VIOCHAR_MAX_DATA)
- curlen = VIOCHAR_MAX_DATA;
- else
- curlen = bleft;
-
- viochar->event.xCorrelationToken = pi->seq++;
- memcpy(viochar->data, curbuf, curlen);
- viochar->len = curlen;
- viochar->event.xSizeMinus1 =
- offsetof(struct viocharlpevent, data) + curlen;
-
- hvrc = HvCallEvent_signalLpEvent(&viochar->event);
- if (hvrc) {
- hvlog("viocons: error sending event! %d\n", (int)hvrc);
- goto out;
- }
- curbuf += curlen;
- bleft -= curlen;
- }
-
- /* If we didn't send it all, buffer as much of it as we can. */
- if (bleft > 0)
- bleft -= buffer_add(pi, curbuf, bleft);
-out:
- vio_free_event_buffer(viomajorsubtype_chario, viochar);
- spin_unlock_irqrestore(&consolelock, flags);
- return len - bleft;
-}
-
-static struct port_info *get_port_data(struct tty_struct *tty)
-{
- unsigned long flags;
- struct port_info *pi;
-
- spin_lock_irqsave(&consolelock, flags);
- if (tty) {
- pi = (struct port_info *)tty->driver_data;
- if (!pi || viotty_paranoia_check(pi, tty->name,
- "get_port_data")) {
- pi = NULL;
- }
- } else
- /*
- * If this is the console device, use the lp from
- * the first port entry
- */
- pi = &port_info[0];
- spin_unlock_irqrestore(&consolelock, flags);
- return pi;
-}
-
-/*
- * Initialize the common fields in a charLpEvent
- */
-static void initDataEvent(struct viocharlpevent *viochar, HvLpIndex lp)
-{
- struct HvLpEvent *hev = &viochar->event;
-
- memset(viochar, 0, sizeof(struct viocharlpevent));
-
- hev->flags = HV_LP_EVENT_VALID | HV_LP_EVENT_DEFERRED_ACK |
- HV_LP_EVENT_INT;
- hev->xType = HvLpEvent_Type_VirtualIo;
- hev->xSubtype = viomajorsubtype_chario | viochardata;
- hev->xSourceLp = HvLpConfig_getLpIndex();
- hev->xTargetLp = lp;
- hev->xSizeMinus1 = sizeof(struct viocharlpevent);
- hev->xSourceInstanceId = viopath_sourceinst(lp);
- hev->xTargetInstanceId = viopath_targetinst(lp);
-}
-
-/*
- * early console device write
- */
-static void viocons_write_early(struct console *co, const char *s, unsigned count)
-{
- hvlogOutput(s, count);
-}
-
-/*
- * console device write
- */
-static void viocons_write(struct console *co, const char *s, unsigned count)
-{
- int index;
- int begin;
- struct port_info *pi;
-
- static const char cr = '\r';
-
- /*
- * Check port data first because the target LP might be valid but
- * simply not active, in which case we want to hvlog the output.
- */
- pi = get_port_data(NULL);
- if (pi == NULL) {
- hvlog("\n\rviocons_write: unable to get port data.");
- return;
- }
-
- hvlogOutput(s, count);
-
- if (!viopath_isactive(pi->lp))
- return;
-
- /*
- * Any newline character found will cause a
- * carriage return character to be emitted as well.
- */
- begin = 0;
- for (index = 0; index < count; index++) {
- if (s[index] == '\n') {
- /*
- * Newline found. Print everything up to and
- * including the newline
- */
- internal_write(pi, &s[begin], index - begin + 1);
- begin = index + 1;
- /* Emit a carriage return as well */
- internal_write(pi, &cr, 1);
- }
- }
-
- /* If any characters left to write, write them now */
- if ((index - begin) > 0)
- internal_write(pi, &s[begin], index - begin);
-}
-
-/*
- * Work out the device associate with this console
- */
-static struct tty_driver *viocons_device(struct console *c, int *index)
-{
- *index = c->index;
- return viotty_driver;
-}
-
-/*
- * console device I/O methods
- */
-static struct console viocons_early = {
- .name = "viocons",
- .write = viocons_write_early,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
-static struct console viocons = {
- .name = "viocons",
- .write = viocons_write,
- .device = viocons_device,
- .flags = CON_PRINTBUFFER,
- .index = -1,
-};
-
-/*
- * TTY Open method
- */
-static int viotty_open(struct tty_struct *tty, struct file *filp)
-{
- int port;
- unsigned long flags;
- struct port_info *pi;
-
- port = tty->index;
-
- if ((port < 0) || (port >= VTTY_PORTS))
- return -ENODEV;
-
- spin_lock_irqsave(&consolelock, flags);
-
- pi = &port_info[port];
- /* If some other TTY is already connected here, reject the open */
- if ((pi->tty) && (pi->tty != tty)) {
- spin_unlock_irqrestore(&consolelock, flags);
- printk(VIOCONS_KERN_WARN
- "attempt to open device twice from different ttys\n");
- return -EBUSY;
- }
- tty->driver_data = pi;
- pi->tty = tty;
- spin_unlock_irqrestore(&consolelock, flags);
-
- return 0;
-}
-
-/*
- * TTY Close method
- */
-static void viotty_close(struct tty_struct *tty, struct file *filp)
-{
- unsigned long flags;
- struct port_info *pi;
-
- spin_lock_irqsave(&consolelock, flags);
- pi = (struct port_info *)tty->driver_data;
-
- if (!pi || viotty_paranoia_check(pi, tty->name, "viotty_close")) {
- spin_unlock_irqrestore(&consolelock, flags);
- return;
- }
- if (tty->count == 1)
- pi->tty = NULL;
- spin_unlock_irqrestore(&consolelock, flags);
-}
-
-/*
- * TTY Write method
- */
-static int viotty_write(struct tty_struct *tty, const unsigned char *buf,
- int count)
-{
- struct port_info *pi;
-
- pi = get_port_data(tty);
- if (pi == NULL) {
- hvlog("\n\rviotty_write: no port data.");
- return -ENODEV;
- }
-
- if (viochar_is_console(pi))
- hvlogOutput(buf, count);
-
- /*
- * If the path to this LP is closed, don't bother doing anything more.
- * just dump the data on the floor and return count. For some reason
- * some user level programs will attempt to probe available tty's and
- * they'll attempt a viotty_write on an invalid port which maps to an
- * invalid target lp. If this is the case then ignore the
- * viotty_write call and, since the viopath isn't active to this
- * partition, return count.
- */
- if (!viopath_isactive(pi->lp))
- return count;
-
- return internal_write(pi, buf, count);
-}
-
-/*
- * TTY put_char method
- */
-static int viotty_put_char(struct tty_struct *tty, unsigned char ch)
-{
- struct port_info *pi;
-
- pi = get_port_data(tty);
- if (pi == NULL)
- return 0;
-
- /* This will append '\r' as well if the char is '\n' */
- if (viochar_is_console(pi))
- hvlogOutput(&ch, 1);
-
- if (viopath_isactive(pi->lp))
- internal_write(pi, &ch, 1);
- return 1;
-}
-
-/*
- * TTY write_room method
- */
-static int viotty_write_room(struct tty_struct *tty)
-{
- int i;
- int room = 0;
- struct port_info *pi;
- unsigned long flags;
-
- spin_lock_irqsave(&consolelock, flags);
- pi = (struct port_info *)tty->driver_data;
- if (!pi || viotty_paranoia_check(pi, tty->name, "viotty_write_room")) {
- spin_unlock_irqrestore(&consolelock, flags);
- return 0;
- }
-
- /* If no buffers are used, return the max size. */
- if (pi->used == 0) {
- spin_unlock_irqrestore(&consolelock, flags);
- return VIOCHAR_MAX_DATA * VIOCHAR_NUM_BUF;
- }
-
- /*
- * We retain the spinlock because we want to get an accurate
- * count and it can change on us between each operation if we
- * don't hold the spinlock.
- */
- for (i = 0; ((i < VIOCHAR_NUM_BUF) && (room < VIOCHAR_MAX_DATA)); i++)
- room += (VIOCHAR_MAX_DATA - pi->bufferBytes[i]);
- spin_unlock_irqrestore(&consolelock, flags);
-
- if (room > VIOCHAR_MAX_DATA)
- room = VIOCHAR_MAX_DATA;
- return room;
-}
-
-/*
- * TTY chars_in_buffer method
- */
-static int viotty_chars_in_buffer(struct tty_struct *tty)
-{
- return 0;
-}
-
-static int viotty_ioctl(struct tty_struct *tty, struct file *file,
- unsigned int cmd, unsigned long arg)
-{
- switch (cmd) {
- /*
- * the ioctls below read/set the flags usually shown in the leds
- * don't use them - they will go away without warning
- */
- case KDGETLED:
- case KDGKBLED:
- return put_user(0, (char *)arg);
-
- case KDSKBLED:
- return 0;
- }
- /* FIXME: WTF is this being called for ??? */
- lock_kernel();
- ret = n_tty_ioctl(tty, file, cmd, arg);
- unlock_kernel();
- return ret;
-}
-
-/*
- * Handle an open charLpEvent. Could be either interrupt or ack
- */
-static void vioHandleOpenEvent(struct HvLpEvent *event)
-{
- unsigned long flags;
- struct viocharlpevent *cevent = (struct viocharlpevent *)event;
- u8 port = cevent->virtual_device;
- struct port_info *pi;
- int reject = 0;
-
- if (hvlpevent_is_ack(event)) {
- if (port >= VTTY_PORTS)
- return;
-
- spin_lock_irqsave(&consolelock, flags);
- /* Got the lock, don't cause console output */
-
- pi = &port_info[port];
- if (event->xRc == HvLpEvent_Rc_Good) {
- pi->seq = pi->ack = 0;
- /*
- * This line allows connections from the primary
- * partition but once one is connected from the
- * primary partition nothing short of a reboot
- * of linux will allow access from the hosting
- * partition again without a required iSeries fix.
- */
- pi->lp = event->xTargetLp;
- }
-
- spin_unlock_irqrestore(&consolelock, flags);
- if (event->xRc != HvLpEvent_Rc_Good)
- printk(VIOCONS_KERN_WARN
- "handle_open_event: event->xRc == (%d).\n",
- event->xRc);
-
- if (event->xCorrelationToken != 0) {
- atomic_t *aptr= (atomic_t *)event->xCorrelationToken;
- atomic_set(aptr, 1);
- } else
- printk(VIOCONS_KERN_WARN
- "weird...got open ack without atomic\n");
- return;
- }
-
- /* This had better require an ack, otherwise complain */
- if (!hvlpevent_need_ack(event)) {
- printk(VIOCONS_KERN_WARN "viocharopen without ack bit!\n");
- return;
- }
-
- spin_lock_irqsave(&consolelock, flags);
- /* Got the lock, don't cause console output */
-
- /* Make sure this is a good virtual tty */
- if (port >= VTTY_PORTS) {
- event->xRc = HvLpEvent_Rc_SubtypeError;
- cevent->subtype_result_code = viorc_openRejected;
- /*
- * Flag state here since we can't printk while holding
- * a spinlock.
- */
- reject = 1;
- } else {
- pi = &port_info[port];
- if ((pi->lp != HvLpIndexInvalid) &&
- (pi->lp != event->xSourceLp)) {
- /*
- * If this is tty is already connected to a different
- * partition, fail.
- */
- event->xRc = HvLpEvent_Rc_SubtypeError;
- cevent->subtype_result_code = viorc_openRejected;
- reject = 2;
- } else {
- pi->lp = event->xSourceLp;
- event->xRc = HvLpEvent_Rc_Good;
- cevent->subtype_result_code = viorc_good;
- pi->seq = pi->ack = 0;
- reject = 0;
- }
- }
-
- spin_unlock_irqrestore(&consolelock, flags);
-
- if (reject == 1)
- printk(VIOCONS_KERN_WARN "open rejected: bad virtual tty.\n");
- else if (reject == 2)
- printk(VIOCONS_KERN_WARN
- "open rejected: console in exclusive use by another partition.\n");
-
- /* Return the acknowledgement */
- HvCallEvent_ackLpEvent(event);
-}
-
-/*
- * Handle a close charLpEvent. This should ONLY be an Interrupt because the
- * virtual console should never actually issue a close event to the hypervisor
- * because the virtual console never goes away. A close event coming from the
- * hypervisor simply means that there are no client consoles connected to the
- * virtual console.
- *
- * Regardless of the number of connections masqueraded on the other side of
- * the hypervisor ONLY ONE close event should be called to accompany the ONE
- * open event that is called. The close event should ONLY be called when NO
- * MORE connections (masqueraded or not) exist on the other side of the
- * hypervisor.
- */
-static void vioHandleCloseEvent(struct HvLpEvent *event)
-{
- unsigned long flags;
- struct viocharlpevent *cevent = (struct viocharlpevent *)event;
- u8 port = cevent->virtual_device;
-
- if (hvlpevent_is_int(event)) {
- if (port >= VTTY_PORTS) {
- printk(VIOCONS_KERN_WARN
- "close message from invalid virtual device.\n");
- return;
- }
-
- /* For closes, just mark the console partition invalid */
- spin_lock_irqsave(&consolelock, flags);
- /* Got the lock, don't cause console output */
-
- if (port_info[port].lp == event->xSourceLp)
- port_info[port].lp = HvLpIndexInvalid;
-
- spin_unlock_irqrestore(&consolelock, flags);
- printk(VIOCONS_KERN_INFO "close from %d\n", event->xSourceLp);
- } else
- printk(VIOCONS_KERN_WARN
- "got unexpected close acknowlegement\n");
-}
-
-/*
- * Handle a config charLpEvent. Could be either interrupt or ack
- */
-static void vioHandleConfig(struct HvLpEvent *event)
-{
- struct viocharlpevent *cevent = (struct viocharlpevent *)event;
-
- HvCall_writeLogBuffer(cevent->data, cevent->len);
-
- if (cevent->data[0] == 0x01)
- printk(VIOCONS_KERN_INFO "window resized to %d: %d: %d: %d\n",
- cevent->data[1], cevent->data[2],
- cevent->data[3], cevent->data[4]);
- else
- printk(VIOCONS_KERN_WARN "unknown config event\n");
-}
-
-/*
- * Handle a data charLpEvent.
- */
-static void vioHandleData(struct HvLpEvent *event)
-{
- struct tty_struct *tty;
- unsigned long flags;
- struct viocharlpevent *cevent = (struct viocharlpevent *)event;
- struct port_info *pi;
- int index;
- int num_pushed;
- u8 port = cevent->virtual_device;
-
- if (port >= VTTY_PORTS) {
- printk(VIOCONS_KERN_WARN "data on invalid virtual device %d\n",
- port);
- return;
- }
-
- /*
- * Hold the spinlock so that we don't take an interrupt that
- * changes tty between the time we fetch the port_info
- * pointer and the time we paranoia check.
- */
- spin_lock_irqsave(&consolelock, flags);
- pi = &port_info[port];
-
- /*
- * Change 05/01/2003 - Ryan Arnold: If a partition other than
- * the current exclusive partition tries to send us data
- * events then just drop them on the floor because we don't
- * want his stinking data. He isn't authorized to receive
- * data because he wasn't the first one to get the console,
- * therefore he shouldn't be allowed to send data either.
- * This will work without an iSeries fix.
- */
- if (pi->lp != event->xSourceLp) {
- spin_unlock_irqrestore(&consolelock, flags);
- return;
- }
-
- tty = pi->tty;
- if (tty == NULL) {
- spin_unlock_irqrestore(&consolelock, flags);
- printk(VIOCONS_KERN_WARN "no tty for virtual device %d\n",
- port);
- return;
- }
-
- if (tty->magic != TTY_MAGIC) {
- spin_unlock_irqrestore(&consolelock, flags);
- printk(VIOCONS_KERN_WARN "tty bad magic\n");
- return;
- }
-
- /*
- * Just to be paranoid, make sure the tty points back to this port
- */
- pi = (struct port_info *)tty->driver_data;
- if (!pi || viotty_paranoia_check(pi, tty->name, "vioHandleData")) {
- spin_unlock_irqrestore(&consolelock, flags);
- return;
- }
- spin_unlock_irqrestore(&consolelock, flags);
-
- /*
- * Change 07/21/2003 - Ryan Arnold: functionality added to
- * support sysrq utilizing ^O as the sysrq key. The sysrq
- * functionality will only work if built into the kernel and
- * then only if sysrq is enabled through the proc filesystem.
- */
- num_pushed = 0;
- for (index = 0; index < cevent->len; index++) {
- /*
- * Will be optimized away if !CONFIG_MAGIC_SYSRQ:
- */
- if (sysrq_on()) {
- /* 0x0f is the ascii character for ^O */
- if (cevent->data[index] == '\x0f') {
- vio_sysrq_pressed = 1;
- /*
- * continue because we don't want to add
- * the sysrq key into the data string.
- */
- continue;
- } else if (vio_sysrq_pressed) {
- handle_sysrq(cevent->data[index], tty);
- vio_sysrq_pressed = 0;
- /*
- * continue because we don't want to add
- * the sysrq sequence into the data string.
- */
- continue;
- }
- }
- /*
- * The sysrq sequence isn't included in this check if
- * sysrq is enabled and compiled into the kernel because
- * the sequence will never get inserted into the buffer.
- * Don't attempt to copy more data into the buffer than we
- * have room for because it would fail without indication.
- */
- if(tty_insert_flip_char(tty, cevent->data[index], TTY_NORMAL) == 0) {
- printk(VIOCONS_KERN_WARN "input buffer overflow!\n");
- break;
- }
- num_pushed++;
- }
-
- if (num_pushed)
- tty_flip_buffer_push(tty);
-}
-
-/*
- * Handle an ack charLpEvent.
- */
-static void vioHandleAck(struct HvLpEvent *event)
-{
- struct viocharlpevent *cevent = (struct viocharlpevent *)event;
- unsigned long flags;
- u8 port = cevent->virtual_device;
-
- if (port >= VTTY_PORTS) {
- printk(VIOCONS_KERN_WARN "data on invalid virtual device\n");
- return;
- }
-
- spin_lock_irqsave(&consolelock, flags);
- port_info[port].ack = event->xCorrelationToken;
- spin_unlock_irqrestore(&consolelock, flags);
-
- if (port_info[port].used)
- send_buffers(&port_info[port]);
-}
-
-/*
- * Handle charLpEvents and route to the appropriate routine
- */
-static void vioHandleCharEvent(struct HvLpEvent *event)
-{
- int charminor;
-
- if (event == NULL)
- return;
-
- charminor = event->xSubtype & VIOMINOR_SUBTYPE_MASK;
- switch (charminor) {
- case viocharopen:
- vioHandleOpenEvent(event);
- break;
- case viocharclose:
- vioHandleCloseEvent(event);
- break;
- case viochardata:
- vioHandleData(event);
- break;
- case viocharack:
- vioHandleAck(event);
- break;
- case viocharconfig:
- vioHandleConfig(event);
- break;
- default:
- if (hvlpevent_is_int(event) && hvlpevent_need_ack(event)) {
- event->xRc = HvLpEvent_Rc_InvalidSubtype;
- HvCallEvent_ackLpEvent(event);
- }
- }
-}
-
-/*
- * Send an open event
- */
-static int send_open(HvLpIndex remoteLp, void *sem)
-{
- return HvCallEvent_signalLpEventFast(remoteLp,
- HvLpEvent_Type_VirtualIo,
- viomajorsubtype_chario | viocharopen,
- HvLpEvent_AckInd_DoAck, HvLpEvent_AckType_ImmediateAck,
- viopath_sourceinst(remoteLp),
- viopath_targetinst(remoteLp),
- (u64)(unsigned long)sem, VIOVERSION << 16,
- 0, 0, 0, 0);
-}
-
-static const struct tty_operations serial_ops = {
- .open = viotty_open,
- .close = viotty_close,
- .write = viotty_write,
- .put_char = viotty_put_char,
- .write_room = viotty_write_room,
- .chars_in_buffer = viotty_chars_in_buffer,
- .ioctl = viotty_ioctl,
-};
-
-static int __init viocons_init2(void)
-{
- atomic_t wait_flag;
- int rc;
-
- if (!firmware_has_feature(FW_FEATURE_ISERIES))
- return -ENODEV;
-
- /* +2 for fudge */
- rc = viopath_open(HvLpConfig_getPrimaryLpIndex(),
- viomajorsubtype_chario, VIOCHAR_WINDOW + 2);
- if (rc)
- printk(VIOCONS_KERN_WARN "error opening to primary %d\n", rc);
-
- if (viopath_hostLp == HvLpIndexInvalid)
- vio_set_hostlp();
-
- /*
- * And if the primary is not the same as the hosting LP, open to the
- * hosting lp
- */
- if ((viopath_hostLp != HvLpIndexInvalid) &&
- (viopath_hostLp != HvLpConfig_getPrimaryLpIndex())) {
- printk(VIOCONS_KERN_INFO "open path to hosting (%d)\n",
- viopath_hostLp);
- rc = viopath_open(viopath_hostLp, viomajorsubtype_chario,
- VIOCHAR_WINDOW + 2); /* +2 for fudge */
- if (rc)
- printk(VIOCONS_KERN_WARN
- "error opening to partition %d: %d\n",
- viopath_hostLp, rc);
- }
-
- if (vio_setHandler(viomajorsubtype_chario, vioHandleCharEvent) < 0)
- printk(VIOCONS_KERN_WARN
- "error seting handler for console events!\n");
-
- /*
- * First, try to open the console to the hosting lp.
- * Wait on a semaphore for the response.
- */
- atomic_set(&wait_flag, 0);
- if ((viopath_isactive(viopath_hostLp)) &&
- (send_open(viopath_hostLp, (void *)&wait_flag) == 0)) {
- printk(VIOCONS_KERN_INFO "hosting partition %d\n",
- viopath_hostLp);
- while (atomic_read(&wait_flag) == 0)
- mb();
- atomic_set(&wait_flag, 0);
- }
-
- /*
- * If we don't have an active console, try the primary
- */
- if ((!viopath_isactive(port_info[0].lp)) &&
- (viopath_isactive(HvLpConfig_getPrimaryLpIndex())) &&
- (send_open(HvLpConfig_getPrimaryLpIndex(), (void *)&wait_flag)
- == 0)) {
- printk(VIOCONS_KERN_INFO "opening console to primary partition\n");
- while (atomic_read(&wait_flag) == 0)
- mb();
- }
-
- /* Initialize the tty_driver structure */
- viotty_driver = alloc_tty_driver(VTTY_PORTS);
- viotty_driver->owner = THIS_MODULE;
- viotty_driver->driver_name = "vioconsole";
- viotty_driver->name = "tty";
- viotty_driver->name_base = 1;
- viotty_driver->major = TTY_MAJOR;
- viotty_driver->minor_start = 1;
- viotty_driver->type = TTY_DRIVER_TYPE_CONSOLE;
- viotty_driver->subtype = 1;
- viotty_driver->init_termios = tty_std_termios;
- viotty_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_RESET_TERMIOS;
- tty_set_operations(viotty_driver, &serial_ops);
-
- if (tty_register_driver(viotty_driver)) {
- printk(VIOCONS_KERN_WARN "couldn't register console driver\n");
- put_tty_driver(viotty_driver);
- viotty_driver = NULL;
- }
-
- unregister_console(&viocons_early);
- register_console(&viocons);
-
- return 0;
-}
-
-static int __init viocons_init(void)
-{
- int i;
-
- if (!firmware_has_feature(FW_FEATURE_ISERIES))
- return -ENODEV;
-
- printk(VIOCONS_KERN_INFO "registering console\n");
- for (i = 0; i < VTTY_PORTS; i++) {
- port_info[i].lp = HvLpIndexInvalid;
- port_info[i].magic = VIOTTY_MAGIC;
- }
- HvCall_setLogBufferFormatAndCodepage(HvCall_LogBuffer_ASCII, 437);
- add_preferred_console("viocons", 0, NULL);
- register_console(&viocons_early);
- return 0;
-}
-
-console_initcall(viocons_init);
-module_init(viocons_init2);
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 82a51f38a54..60359c36091 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -803,7 +803,25 @@ static inline int resize_screen(struct vc_data *vc, int width, int height,
*/
#define VC_RESIZE_MAXCOL (32767)
#define VC_RESIZE_MAXROW (32767)
-int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
+
+/**
+ * vc_do_resize - resizing method for the tty
+ * @tty: tty being resized
+ * @real_tty: real tty (different to tty if a pty/tty pair)
+ * @vc: virtual console private data
+ * @cols: columns
+ * @lines: lines
+ *
+ * Resize a virtual console, clipping according to the actual constraints.
+ * If the caller passes a tty structure then update the termios winsize
+ * information and perform any neccessary signal handling.
+ *
+ * Caller must hold the console semaphore. Takes the termios mutex and
+ * ctrl_lock of the tty IFF a tty is passed.
+ */
+
+static int vc_do_resize(struct tty_struct *tty, struct tty_struct *real_tty,
+ struct vc_data *vc, unsigned int cols, unsigned int lines)
{
unsigned long old_origin, new_origin, new_scr_end, rlth, rrem, err = 0;
unsigned int old_cols, old_rows, old_row_size, old_screen_size;
@@ -907,26 +925,15 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
gotoxy(vc, vc->vc_x, vc->vc_y);
save_cur(vc);
- if (vc->vc_tty) {
- struct winsize ws, *cws = &vc->vc_tty->winsize;
- struct pid *pgrp = NULL;
-
+ if (tty) {
+ /* Rewrite the requested winsize data with the actual
+ resulting sizes */
+ struct winsize ws;
memset(&ws, 0, sizeof(ws));
ws.ws_row = vc->vc_rows;
ws.ws_col = vc->vc_cols;
ws.ws_ypixel = vc->vc_scan_lines;
-
- mutex_lock(&vc->vc_tty->termios_mutex);
- spin_lock_irq(&vc->vc_tty->ctrl_lock);
- if ((ws.ws_row != cws->ws_row || ws.ws_col != cws->ws_col))
- pgrp = get_pid(vc->vc_tty->pgrp);
- spin_unlock_irq(&vc->vc_tty->ctrl_lock);
- if (pgrp) {
- kill_pgrp(vc->vc_tty->pgrp, SIGWINCH, 1);
- put_pid(pgrp);
- }
- *cws = ws;
- mutex_unlock(&vc->vc_tty->termios_mutex);
+ tty_do_resize(tty, real_tty, &ws);
}
if (CON_IS_VISIBLE(vc))
@@ -934,14 +941,47 @@ int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
return err;
}
-int vc_lock_resize(struct vc_data *vc, unsigned int cols, unsigned int lines)
+/**
+ * vc_resize - resize a VT
+ * @vc: virtual console
+ * @cols: columns
+ * @rows: rows
+ *
+ * Resize a virtual console as seen from the console end of things. We
+ * use the common vc_do_resize methods to update the structures. The
+ * caller must hold the console sem to protect console internals and
+ * vc->vc_tty
+ */
+
+int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int rows)
+{
+ return vc_do_resize(vc->vc_tty, vc->vc_tty, vc, cols, rows);
+}
+
+/**
+ * vt_resize - resize a VT
+ * @tty: tty to resize
+ * @real_tty: tty if a pty/tty pair
+ * @ws: winsize attributes
+ *
+ * Resize a virtual terminal. This is called by the tty layer as we
+ * register our own handler for resizing. The mutual helper does all
+ * the actual work.
+ *
+ * Takes the console sem and the called methods then take the tty
+ * termios_mutex and the tty ctrl_lock in that order.
+ */
+
+int vt_resize(struct tty_struct *tty, struct tty_struct *real_tty,
+ struct winsize *ws)
{
- int rc;
+ struct vc_data *vc = tty->driver_data;
+ int ret;
acquire_console_sem();
- rc = vc_resize(vc, cols, lines);
+ ret = vc_do_resize(tty, real_tty, vc, ws->ws_col, ws->ws_row);
release_console_sem();
- return rc;
+ return ret;
}
void vc_deallocate(unsigned int currcons)
@@ -2909,6 +2949,7 @@ static const struct tty_operations con_ops = {
.start = con_start,
.throttle = con_throttle,
.unthrottle = con_unthrottle,
+ .resize = vt_resize,
};
int __init vty_init(void)
@@ -4063,7 +4104,6 @@ EXPORT_SYMBOL(default_blu);
EXPORT_SYMBOL(update_region);
EXPORT_SYMBOL(redraw_screen);
EXPORT_SYMBOL(vc_resize);
-EXPORT_SYMBOL(vc_lock_resize);
EXPORT_SYMBOL(fg_console);
EXPORT_SYMBOL(console_blank_hook);
EXPORT_SYMBOL(console_blanked);
diff --git a/drivers/char/vt_ioctl.c b/drivers/char/vt_ioctl.c
index 3211afd9d57..c904e9ad4a7 100644
--- a/drivers/char/vt_ioctl.c
+++ b/drivers/char/vt_ioctl.c
@@ -947,14 +947,16 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
get_user(cc, &vtsizes->v_cols))
ret = -EFAULT;
else {
+ acquire_console_sem();
for (i = 0; i < MAX_NR_CONSOLES; i++) {
vc = vc_cons[i].d;
if (vc) {
vc->vc_resize_user = 1;
- vc_lock_resize(vc_cons[i].d, cc, ll);
+ vc_resize(vc_cons[i].d, cc, ll);
}
}
+ release_console_sem();
}
break;
}
diff --git a/drivers/char/xilinx_hwicap/xilinx_hwicap.c b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
index 8bfee5fb722..278c9857bcf 100644
--- a/drivers/char/xilinx_hwicap/xilinx_hwicap.c
+++ b/drivers/char/xilinx_hwicap/xilinx_hwicap.c
@@ -74,7 +74,6 @@
* currently programmed in the FPGA.
*/
-#include <linux/version.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>