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authorK. Y. Srinivasan <kys@microsoft.com>2017-01-19 11:51:58 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-01-20 14:52:49 +0100
commit37e11d5c7052a5ca55ef807731c75218ea341b4c (patch)
tree80bcc0ee8587d3c280b1f0b0235be3dc3feb302e /drivers/hv
parent7297ff0ca9db7e2d830841035b95d8b94b529142 (diff)
downloadlinux-37e11d5c7052a5ca55ef807731c75218ea341b4c.tar.bz2
Drivers: hv: vmbus: Define an APIs to manage interrupt state
As part of cleaning up architecture specific code, define APIs to manage interrupt state. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hv')
-rw-r--r--drivers/hv/hv.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c
index 945719026223..60594fa3250d 100644
--- a/drivers/hv/hv.c
+++ b/drivers/hv/hv.c
@@ -284,14 +284,16 @@ int hv_synic_init(unsigned int cpu)
hv_set_siefp(siefp.as_uint64);
/* Setup the shared SINT. */
- rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
+ hv_get_synint_state(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT,
+ shared_sint.as_uint64);
shared_sint.as_uint64 = 0;
shared_sint.vector = HYPERVISOR_CALLBACK_VECTOR;
shared_sint.masked = false;
shared_sint.auto_eoi = true;
- wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
+ hv_set_synint_state(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT,
+ shared_sint.as_uint64);
/* Enable the global synic bit */
hv_get_synic_state(sctrl.as_uint64);
@@ -384,13 +386,15 @@ int hv_synic_cleanup(unsigned int cpu)
hv_ce_shutdown(hv_context.clk_evt[cpu]);
}
- rdmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
+ hv_get_synint_state(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT,
+ shared_sint.as_uint64);
shared_sint.masked = 1;
/* Need to correctly cleanup in the case of SMP!!! */
/* Disable the interrupt */
- wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, shared_sint.as_uint64);
+ hv_set_synint_state(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT,
+ shared_sint.as_uint64);
hv_get_simp(simp.as_uint64);
simp.simp_enabled = 0;