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Drivers: hv: Export some symbols for mshv_vtl 

MSHV_VTL driver is going to be introduced, which is supposed to
provide interface for Virtual Machine Monitors (VMMs) to control
Virtual Trust Level (VTL). Export the symbols needed
to make it work (vmbus_isr, hv_context and hv_post_message).

Co-developed-by: Roman Kisel <romank@linux.microsoft.com>
Signed-off-by: Roman Kisel <romank@linux.microsoft.com>
Co-developed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202506110544.q0NDMQVc-lkp@intel.com/
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Signed-off-by: Naman Jain <namjain@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
pull/1354/merge
Naman Jain 2025-11-13 04:41:48 +00:00 committed by Wei Liu
parent 796ef5a7fe
commit cffe9f58de
3 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/hv/hv.c
View File

@ -18,6 +18,7 @@
#include <linux/clockchips.h> #include <linux/clockchips.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/export.h>
#include <clocksource/hyperv_timer.h> #include <clocksource/hyperv_timer.h>
#include <asm/mshyperv.h> #include <asm/mshyperv.h>
#include <linux/set_memory.h> #include <linux/set_memory.h>
@ -25,6 +26,7 @@
/* The one and only */ /* The one and only */
struct hv_context hv_context; struct hv_context hv_context;
EXPORT_SYMBOL_FOR_MODULES(hv_context, "mshv_vtl");
/* /*
* hv_init - Main initialization routine. * hv_init - Main initialization routine.
@ -104,6 +106,7 @@ int hv_post_message(union hv_connection_id connection_id,
return hv_result(status); return hv_result(status);
} }
EXPORT_SYMBOL_FOR_MODULES(hv_post_message, "mshv_vtl");
static int hv_alloc_page(void **page, bool decrypt, const char *note) static int hv_alloc_page(void **page, bool decrypt, const char *note)
{ {

1
drivers/hv/hyperv_vmbus.h
View File

@ -33,6 +33,7 @@
*/ */
#define HV_UTIL_NEGO_TIMEOUT 55 #define HV_UTIL_NEGO_TIMEOUT 55
void vmbus_isr(void);
/* Definitions for the monitored notification facility */ /* Definitions for the monitored notification facility */
union hv_monitor_trigger_group { union hv_monitor_trigger_group {

4
drivers/hv/vmbus_drv.c
View File

@ -36,6 +36,7 @@
#include <linux/syscore_ops.h> #include <linux/syscore_ops.h>
#include <linux/dma-map-ops.h> #include <linux/dma-map-ops.h>
#include <linux/pci.h> #include <linux/pci.h>
#include <linux/export.h>
#include <clocksource/hyperv_timer.h> #include <clocksource/hyperv_timer.h>
#include <asm/mshyperv.h> #include <asm/mshyperv.h>
#include "hyperv_vmbus.h" #include "hyperv_vmbus.h"
@ -1349,7 +1350,7 @@ static void vmbus_message_sched(struct hv_per_cpu_context *hv_cpu, void *message
} }
} }
static void vmbus_isr(void) void vmbus_isr(void)
{ {
struct hv_per_cpu_context *hv_cpu struct hv_per_cpu_context *hv_cpu
= this_cpu_ptr(hv_context.cpu_context); = this_cpu_ptr(hv_context.cpu_context);
@ -1362,6 +1363,7 @@ static void vmbus_isr(void)
add_interrupt_randomness(vmbus_interrupt); add_interrupt_randomness(vmbus_interrupt);
} }
EXPORT_SYMBOL_FOR_MODULES(vmbus_isr, "mshv_vtl");
static irqreturn_t vmbus_percpu_isr(int irq, void *dev_id) static irqreturn_t vmbus_percpu_isr(int irq, void *dev_id)
{ {