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path: root/drivers/misc/ocxl
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Diffstat (limited to 'drivers/misc/ocxl')
-rw-r--r--drivers/misc/ocxl/afu_irq.c4
-rw-r--r--drivers/misc/ocxl/context.c6
-rw-r--r--drivers/misc/ocxl/file.c29
-rw-r--r--drivers/misc/ocxl/link.c22
-rw-r--r--drivers/misc/ocxl/main.c2
-rw-r--r--drivers/misc/ocxl/ocxl_internal.h2
-rw-r--r--drivers/misc/ocxl/sysfs.c18
7 files changed, 42 insertions, 41 deletions
diff --git a/drivers/misc/ocxl/afu_irq.c b/drivers/misc/ocxl/afu_irq.c
index a06920b7e049..f6b821fc274c 100644
--- a/drivers/misc/ocxl/afu_irq.c
+++ b/drivers/misc/ocxl/afu_irq.c
@@ -57,7 +57,7 @@ EXPORT_SYMBOL_GPL(ocxl_irq_set_handler);
static irqreturn_t afu_irq_handler(int virq, void *data)
{
- struct afu_irq *irq = (struct afu_irq *) data;
+ struct afu_irq *irq = data;
trace_ocxl_afu_irq_receive(virq);
@@ -203,7 +203,7 @@ u64 ocxl_afu_irq_get_addr(struct ocxl_context *ctx, int irq_id)
mutex_lock(&ctx->irq_lock);
irq = idr_find(&ctx->irq_idr, irq_id);
if (irq) {
- xd = irq_get_handler_data(irq->virq);
+ xd = irq_get_chip_data(irq->virq);
addr = xd ? xd->trig_page : 0;
}
mutex_unlock(&ctx->irq_lock);
diff --git a/drivers/misc/ocxl/context.c b/drivers/misc/ocxl/context.c
index 9eb0d93b01c6..cded7d1caf32 100644
--- a/drivers/misc/ocxl/context.c
+++ b/drivers/misc/ocxl/context.c
@@ -55,7 +55,7 @@ EXPORT_SYMBOL_GPL(ocxl_context_alloc);
*/
static void xsl_fault_error(void *data, u64 addr, u64 dsisr)
{
- struct ocxl_context *ctx = (struct ocxl_context *) data;
+ struct ocxl_context *ctx = data;
mutex_lock(&ctx->xsl_error_lock);
ctx->xsl_error.addr = addr;
@@ -180,7 +180,7 @@ static int check_mmap_afu_irq(struct ocxl_context *ctx,
if ((vma->vm_flags & VM_READ) || (vma->vm_flags & VM_EXEC) ||
!(vma->vm_flags & VM_WRITE))
return -EINVAL;
- vma->vm_flags &= ~(VM_MAYREAD | VM_MAYEXEC);
+ vm_flags_clear(vma, VM_MAYREAD | VM_MAYEXEC);
return 0;
}
@@ -204,7 +204,7 @@ int ocxl_context_mmap(struct ocxl_context *ctx, struct vm_area_struct *vma)
if (rc)
return rc;
- vma->vm_flags |= VM_IO | VM_PFNMAP;
+ vm_flags_set(vma, VM_IO | VM_PFNMAP);
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
vma->vm_ops = &ocxl_vmops;
return 0;
diff --git a/drivers/misc/ocxl/file.c b/drivers/misc/ocxl/file.c
index 3b058654b45b..7eb74711ac96 100644
--- a/drivers/misc/ocxl/file.c
+++ b/drivers/misc/ocxl/file.c
@@ -14,7 +14,6 @@
#define OCXL_NUM_MINORS 256 /* Total to reserve */
static dev_t ocxl_dev;
-static struct class *ocxl_class;
static DEFINE_MUTEX(minors_idr_lock);
static struct idr minors_idr;
@@ -185,7 +184,7 @@ static irqreturn_t irq_handler(void *private)
{
struct eventfd_ctx *ev_ctx = private;
- eventfd_signal(ev_ctx, 1);
+ eventfd_signal(ev_ctx);
return IRQ_HANDLED;
}
@@ -509,6 +508,16 @@ static void ocxl_file_make_invisible(struct ocxl_file_info *info)
cdev_del(&info->cdev);
}
+static char *ocxl_devnode(const struct device *dev, umode_t *mode)
+{
+ return kasprintf(GFP_KERNEL, "ocxl/%s", dev_name(dev));
+}
+
+static const struct class ocxl_class = {
+ .name = "ocxl",
+ .devnode = ocxl_devnode,
+};
+
int ocxl_file_register_afu(struct ocxl_afu *afu)
{
int minor;
@@ -529,7 +538,7 @@ int ocxl_file_register_afu(struct ocxl_afu *afu)
info->dev.parent = &fn->dev;
info->dev.devt = MKDEV(MAJOR(ocxl_dev), minor);
- info->dev.class = ocxl_class;
+ info->dev.class = &ocxl_class;
info->dev.release = info_release;
info->afu = afu;
@@ -584,11 +593,6 @@ void ocxl_file_unregister_afu(struct ocxl_afu *afu)
device_unregister(&info->dev);
}
-static char *ocxl_devnode(const struct device *dev, umode_t *mode)
-{
- return kasprintf(GFP_KERNEL, "ocxl/%s", dev_name(dev));
-}
-
int ocxl_file_init(void)
{
int rc;
@@ -601,20 +605,19 @@ int ocxl_file_init(void)
return rc;
}
- ocxl_class = class_create(THIS_MODULE, "ocxl");
- if (IS_ERR(ocxl_class)) {
+ rc = class_register(&ocxl_class);
+ if (rc) {
pr_err("Unable to create ocxl class\n");
unregister_chrdev_region(ocxl_dev, OCXL_NUM_MINORS);
- return PTR_ERR(ocxl_class);
+ return rc;
}
- ocxl_class->devnode = ocxl_devnode;
return 0;
}
void ocxl_file_exit(void)
{
- class_destroy(ocxl_class);
+ class_unregister(&ocxl_class);
unregister_chrdev_region(ocxl_dev, OCXL_NUM_MINORS);
idr_destroy(&minors_idr);
}
diff --git a/drivers/misc/ocxl/link.c b/drivers/misc/ocxl/link.c
index 4cf4c55a5f00..03402203cacd 100644
--- a/drivers/misc/ocxl/link.c
+++ b/drivers/misc/ocxl/link.c
@@ -188,7 +188,7 @@ ack:
static irqreturn_t xsl_fault_handler(int irq, void *data)
{
- struct ocxl_link *link = (struct ocxl_link *) data;
+ struct ocxl_link *link = data;
struct spa *spa = link->spa;
u64 dsisr, dar, pe_handle;
struct pe_data *pe_data;
@@ -483,7 +483,7 @@ static void release_xsl(struct kref *ref)
void ocxl_link_release(struct pci_dev *dev, void *link_handle)
{
- struct ocxl_link *link = (struct ocxl_link *) link_handle;
+ struct ocxl_link *link = link_handle;
mutex_lock(&links_list_lock);
kref_put(&link->ref, release_xsl);
@@ -491,9 +491,9 @@ void ocxl_link_release(struct pci_dev *dev, void *link_handle)
}
EXPORT_SYMBOL_GPL(ocxl_link_release);
-static void invalidate_range(struct mmu_notifier *mn,
- struct mm_struct *mm,
- unsigned long start, unsigned long end)
+static void arch_invalidate_secondary_tlbs(struct mmu_notifier *mn,
+ struct mm_struct *mm,
+ unsigned long start, unsigned long end)
{
struct pe_data *pe_data = container_of(mn, struct pe_data, mmu_notifier);
struct ocxl_link *link = pe_data->link;
@@ -509,7 +509,7 @@ static void invalidate_range(struct mmu_notifier *mn,
}
static const struct mmu_notifier_ops ocxl_mmu_notifier_ops = {
- .invalidate_range = invalidate_range,
+ .arch_invalidate_secondary_tlbs = arch_invalidate_secondary_tlbs,
};
static u64 calculate_cfg_state(bool kernel)
@@ -540,7 +540,7 @@ int ocxl_link_add_pe(void *link_handle, int pasid, u32 pidr, u32 tidr,
void (*xsl_err_cb)(void *data, u64 addr, u64 dsisr),
void *xsl_err_data)
{
- struct ocxl_link *link = (struct ocxl_link *) link_handle;
+ struct ocxl_link *link = link_handle;
struct spa *spa = link->spa;
struct ocxl_process_element *pe;
int pe_handle, rc = 0;
@@ -630,7 +630,7 @@ EXPORT_SYMBOL_GPL(ocxl_link_add_pe);
int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid)
{
- struct ocxl_link *link = (struct ocxl_link *) link_handle;
+ struct ocxl_link *link = link_handle;
struct spa *spa = link->spa;
struct ocxl_process_element *pe;
int pe_handle, rc;
@@ -666,7 +666,7 @@ int ocxl_link_update_pe(void *link_handle, int pasid, __u16 tid)
int ocxl_link_remove_pe(void *link_handle, int pasid)
{
- struct ocxl_link *link = (struct ocxl_link *) link_handle;
+ struct ocxl_link *link = link_handle;
struct spa *spa = link->spa;
struct ocxl_process_element *pe;
struct pe_data *pe_data;
@@ -752,7 +752,7 @@ EXPORT_SYMBOL_GPL(ocxl_link_remove_pe);
int ocxl_link_irq_alloc(void *link_handle, int *hw_irq)
{
- struct ocxl_link *link = (struct ocxl_link *) link_handle;
+ struct ocxl_link *link = link_handle;
int irq;
if (atomic_dec_if_positive(&link->irq_available) < 0)
@@ -771,7 +771,7 @@ EXPORT_SYMBOL_GPL(ocxl_link_irq_alloc);
void ocxl_link_free_irq(void *link_handle, int hw_irq)
{
- struct ocxl_link *link = (struct ocxl_link *) link_handle;
+ struct ocxl_link *link = link_handle;
xive_native_free_irq(hw_irq);
atomic_inc(&link->irq_available);
diff --git a/drivers/misc/ocxl/main.c b/drivers/misc/ocxl/main.c
index ef73cf35dda2..658974143c3c 100644
--- a/drivers/misc/ocxl/main.c
+++ b/drivers/misc/ocxl/main.c
@@ -7,7 +7,7 @@
static int __init init_ocxl(void)
{
- int rc = 0;
+ int rc;
if (!tlbie_capable)
return -EINVAL;
diff --git a/drivers/misc/ocxl/ocxl_internal.h b/drivers/misc/ocxl/ocxl_internal.h
index 10125a22d5a5..d2028d6c6f08 100644
--- a/drivers/misc/ocxl/ocxl_internal.h
+++ b/drivers/misc/ocxl/ocxl_internal.h
@@ -97,8 +97,6 @@ struct ocxl_process_element {
__be32 software_state;
};
-int ocxl_create_cdev(struct ocxl_afu *afu);
-void ocxl_destroy_cdev(struct ocxl_afu *afu);
int ocxl_file_register_afu(struct ocxl_afu *afu);
void ocxl_file_unregister_afu(struct ocxl_afu *afu);
diff --git a/drivers/misc/ocxl/sysfs.c b/drivers/misc/ocxl/sysfs.c
index 25c78df8055d..1b6a86f17b6c 100644
--- a/drivers/misc/ocxl/sysfs.c
+++ b/drivers/misc/ocxl/sysfs.c
@@ -16,7 +16,7 @@ static ssize_t global_mmio_size_show(struct device *device,
{
struct ocxl_afu *afu = to_afu(device);
- return scnprintf(buf, PAGE_SIZE, "%d\n",
+ return sysfs_emit(buf, "%d\n",
afu->config.global_mmio_size);
}
@@ -26,7 +26,7 @@ static ssize_t pp_mmio_size_show(struct device *device,
{
struct ocxl_afu *afu = to_afu(device);
- return scnprintf(buf, PAGE_SIZE, "%d\n",
+ return sysfs_emit(buf, "%d\n",
afu->config.pp_mmio_stride);
}
@@ -36,7 +36,7 @@ static ssize_t afu_version_show(struct device *device,
{
struct ocxl_afu *afu = to_afu(device);
- return scnprintf(buf, PAGE_SIZE, "%hhu:%hhu\n",
+ return sysfs_emit(buf, "%hhu:%hhu\n",
afu->config.version_major,
afu->config.version_minor);
}
@@ -47,7 +47,7 @@ static ssize_t contexts_show(struct device *device,
{
struct ocxl_afu *afu = to_afu(device);
- return scnprintf(buf, PAGE_SIZE, "%d/%d\n",
+ return sysfs_emit(buf, "%d/%d\n",
afu->pasid_count, afu->pasid_max);
}
@@ -61,9 +61,9 @@ static ssize_t reload_on_reset_show(struct device *device,
int val;
if (ocxl_config_get_reset_reload(pci_dev, &val))
- return scnprintf(buf, PAGE_SIZE, "unavailable\n");
+ return sysfs_emit(buf, "unavailable\n");
- return scnprintf(buf, PAGE_SIZE, "%d\n", val);
+ return sysfs_emit(buf, "%d\n", val);
}
static ssize_t reload_on_reset_store(struct device *device,
@@ -94,7 +94,7 @@ static struct device_attribute afu_attrs[] = {
};
static ssize_t global_mmio_read(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr, char *buf,
+ const struct bin_attribute *bin_attr, char *buf,
loff_t off, size_t count)
{
struct ocxl_afu *afu = to_afu(kobj_to_dev(kobj));
@@ -125,7 +125,7 @@ static const struct vm_operations_struct global_mmio_vmops = {
};
static int global_mmio_mmap(struct file *filp, struct kobject *kobj,
- struct bin_attribute *bin_attr,
+ const struct bin_attribute *bin_attr,
struct vm_area_struct *vma)
{
struct ocxl_afu *afu = to_afu(kobj_to_dev(kobj));
@@ -134,7 +134,7 @@ static int global_mmio_mmap(struct file *filp, struct kobject *kobj,
(afu->config.global_mmio_size >> PAGE_SHIFT))
return -EINVAL;
- vma->vm_flags |= VM_IO | VM_PFNMAP;
+ vm_flags_set(vma, VM_IO | VM_PFNMAP);
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
vma->vm_ops = &global_mmio_vmops;
vma->vm_private_data = afu;