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-rw-r--r--drivers/xen/efi.c61
-rw-r--r--drivers/xen/gntalloc.c2
-rw-r--r--drivers/xen/gntdev.c4
-rw-r--r--drivers/xen/privcmd-buf.c2
-rw-r--r--drivers/xen/privcmd.c4
-rw-r--r--drivers/xen/pvcalls-back.c7
-rw-r--r--drivers/xen/xenbus/xenbus_probe_backend.c8
-rw-r--r--drivers/xen/xenbus/xenbus_probe_frontend.c4
8 files changed, 79 insertions, 13 deletions
diff --git a/drivers/xen/efi.c b/drivers/xen/efi.c
index d1ff2186ebb4..fb321cd6415a 100644
--- a/drivers/xen/efi.c
+++ b/drivers/xen/efi.c
@@ -26,6 +26,7 @@
#include <xen/interface/xen.h>
#include <xen/interface/platform.h>
+#include <xen/page.h>
#include <xen/xen.h>
#include <xen/xen-ops.h>
@@ -292,3 +293,63 @@ void __init xen_efi_runtime_setup(void)
efi.get_next_high_mono_count = xen_efi_get_next_high_mono_count;
efi.reset_system = xen_efi_reset_system;
}
+
+int efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md)
+{
+ static_assert(XEN_PAGE_SHIFT == EFI_PAGE_SHIFT,
+ "Mismatch between EFI_PAGE_SHIFT and XEN_PAGE_SHIFT");
+ struct xen_platform_op op;
+ union xenpf_efi_info *info = &op.u.firmware_info.u.efi_info;
+ int rc;
+
+ if (!efi_enabled(EFI_PARAVIRT) || efi_enabled(EFI_MEMMAP))
+ return __efi_mem_desc_lookup(phys_addr, out_md);
+ phys_addr &= ~(u64)(EFI_PAGE_SIZE - 1);
+ op = (struct xen_platform_op) {
+ .cmd = XENPF_firmware_info,
+ .u.firmware_info = {
+ .type = XEN_FW_EFI_INFO,
+ .index = XEN_FW_EFI_MEM_INFO,
+ .u.efi_info.mem.addr = phys_addr,
+ .u.efi_info.mem.size = U64_MAX - phys_addr,
+ },
+ };
+
+ rc = HYPERVISOR_platform_op(&op);
+ if (rc) {
+ pr_warn("Failed to lookup header 0x%llx in Xen memory map: error %d\n",
+ phys_addr, rc);
+ }
+
+ out_md->phys_addr = info->mem.addr;
+ out_md->num_pages = info->mem.size >> EFI_PAGE_SHIFT;
+ out_md->type = info->mem.type;
+ out_md->attribute = info->mem.attr;
+
+ return 0;
+}
+
+bool __init xen_efi_config_table_is_usable(const efi_guid_t *guid,
+ unsigned long table)
+{
+ efi_memory_desc_t md;
+ int rc;
+
+ if (!efi_enabled(EFI_PARAVIRT))
+ return true;
+
+ rc = efi_mem_desc_lookup(table, &md);
+ if (rc)
+ return false;
+
+ switch (md.type) {
+ case EFI_RUNTIME_SERVICES_CODE:
+ case EFI_RUNTIME_SERVICES_DATA:
+ case EFI_ACPI_RECLAIM_MEMORY:
+ case EFI_ACPI_MEMORY_NVS:
+ case EFI_RESERVED_TYPE:
+ return true;
+ default:
+ return false;
+ }
+}
diff --git a/drivers/xen/gntalloc.c b/drivers/xen/gntalloc.c
index a15729beb9d1..26ffb8755ffb 100644
--- a/drivers/xen/gntalloc.c
+++ b/drivers/xen/gntalloc.c
@@ -525,7 +525,7 @@ static int gntalloc_mmap(struct file *filp, struct vm_area_struct *vma)
vma->vm_private_data = vm_priv;
- vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+ vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
vma->vm_ops = &gntalloc_vmops;
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 4d9a3050de6a..61faea1f0663 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -1055,10 +1055,10 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
vma->vm_ops = &gntdev_vmops;
- vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_MIXEDMAP;
+ vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP | VM_MIXEDMAP);
if (use_ptemod)
- vma->vm_flags |= VM_DONTCOPY;
+ vm_flags_set(vma, VM_DONTCOPY);
vma->vm_private_data = map;
if (map->flags) {
diff --git a/drivers/xen/privcmd-buf.c b/drivers/xen/privcmd-buf.c
index dd5bbb6e1b6b..2fa10ca5be14 100644
--- a/drivers/xen/privcmd-buf.c
+++ b/drivers/xen/privcmd-buf.c
@@ -156,7 +156,7 @@ static int privcmd_buf_mmap(struct file *file, struct vm_area_struct *vma)
vma_priv->file_priv = file_priv;
vma_priv->users = 1;
- vma->vm_flags |= VM_IO | VM_DONTEXPAND;
+ vm_flags_set(vma, VM_IO | VM_DONTEXPAND);
vma->vm_ops = &privcmd_buf_vm_ops;
vma->vm_private_data = vma_priv;
diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index 1edf45ee9890..e2f580e30a86 100644
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -934,8 +934,8 @@ static int privcmd_mmap(struct file *file, struct vm_area_struct *vma)
{
/* DONTCOPY is essential for Xen because copy_page_range doesn't know
* how to recreate these mappings */
- vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTCOPY |
- VM_DONTEXPAND | VM_DONTDUMP;
+ vm_flags_set(vma, VM_IO | VM_PFNMAP | VM_DONTCOPY |
+ VM_DONTEXPAND | VM_DONTDUMP);
vma->vm_ops = &privcmd_vm_ops;
vma->vm_private_data = NULL;
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index 7a464a541d91..1f5219e12cc3 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -14,6 +14,7 @@
#include <net/inet_common.h>
#include <net/inet_connection_sock.h>
#include <net/request_sock.h>
+#include <trace/events/sock.h>
#include <xen/events.h>
#include <xen/grant_table.h>
@@ -301,6 +302,8 @@ static void pvcalls_sk_data_ready(struct sock *sock)
struct sock_mapping *map = sock->sk_user_data;
struct pvcalls_ioworker *iow;
+ trace_sk_data_ready(sock);
+
if (map == NULL)
return;
@@ -589,6 +592,8 @@ static void pvcalls_pass_sk_data_ready(struct sock *sock)
unsigned long flags;
int notify;
+ trace_sk_data_ready(sock);
+
if (mappass == NULL)
return;
@@ -1186,7 +1191,7 @@ static void pvcalls_back_remove(struct xenbus_device *dev)
{
}
-static int pvcalls_back_uevent(struct xenbus_device *xdev,
+static int pvcalls_back_uevent(const struct xenbus_device *xdev,
struct kobj_uevent_env *env)
{
return 0;
diff --git a/drivers/xen/xenbus/xenbus_probe_backend.c b/drivers/xen/xenbus/xenbus_probe_backend.c
index 9c09f89d8278..da96c260e26b 100644
--- a/drivers/xen/xenbus/xenbus_probe_backend.c
+++ b/drivers/xen/xenbus/xenbus_probe_backend.c
@@ -92,12 +92,12 @@ static int backend_bus_id(char bus_id[XEN_BUS_ID_SIZE], const char *nodename)
return 0;
}
-static int xenbus_uevent_backend(struct device *dev,
+static int xenbus_uevent_backend(const struct device *dev,
struct kobj_uevent_env *env)
{
- struct xenbus_device *xdev;
- struct xenbus_driver *drv;
- struct xen_bus_type *bus;
+ const struct xenbus_device *xdev;
+ const struct xenbus_driver *drv;
+ const struct xen_bus_type *bus;
DPRINTK("");
diff --git a/drivers/xen/xenbus/xenbus_probe_frontend.c b/drivers/xen/xenbus/xenbus_probe_frontend.c
index f44d5a64351e..3f3836cb7279 100644
--- a/drivers/xen/xenbus/xenbus_probe_frontend.c
+++ b/drivers/xen/xenbus/xenbus_probe_frontend.c
@@ -73,10 +73,10 @@ static int xenbus_probe_frontend(struct xen_bus_type *bus, const char *type,
return err;
}
-static int xenbus_uevent_frontend(struct device *_dev,
+static int xenbus_uevent_frontend(const struct device *_dev,
struct kobj_uevent_env *env)
{
- struct xenbus_device *dev = to_xenbus_device(_dev);
+ const struct xenbus_device *dev = to_xenbus_device(_dev);
if (add_uevent_var(env, "MODALIAS=xen:%s", dev->devicetype))
return -ENOMEM;
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-08 00:59:22 +0300