diff options
author | Vishnu DASA <vdasa@vmware.com> | 2019-02-15 16:32:47 +0000 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-02-26 12:53:55 +0100 |
commit | f2db7361cb19bf3a6f7fd367f21d8eb325397946 (patch) | |
tree | cb1638157b002572fd9d2c62e640e32a79ca02ff /drivers/misc/vmw_vmci/vmci_doorbell.c | |
parent | bede03a579b3b4a036003c4862cc1baa4ddc351f (diff) |
VMCI: Support upto 64-bit PPNs
Add support in the VMCI driver to handle upto 64-bit PPNs when the VMCI
device exposes the capability for 64-bit PPNs.
Reviewed-by: Adit Ranadive <aditr@vmware.com>
Reviewed-by: Jorgen Hansen <jhansen@vmware.com>
Signed-off-by: Vishnu Dasa <vdasa@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/vmw_vmci/vmci_doorbell.c')
-rw-r--r-- | drivers/misc/vmw_vmci/vmci_doorbell.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_doorbell.c b/drivers/misc/vmw_vmci/vmci_doorbell.c index b3fa738ae005..7824c7494916 100644 --- a/drivers/misc/vmw_vmci/vmci_doorbell.c +++ b/drivers/misc/vmw_vmci/vmci_doorbell.c @@ -330,7 +330,7 @@ int vmci_dbell_host_context_notify(u32 src_cid, struct vmci_handle handle) /* * Register the notification bitmap with the host. */ -bool vmci_dbell_register_notification_bitmap(u32 bitmap_ppn) +bool vmci_dbell_register_notification_bitmap(u64 bitmap_ppn) { int result; struct vmci_notify_bm_set_msg bitmap_set_msg; @@ -340,11 +340,14 @@ bool vmci_dbell_register_notification_bitmap(u32 bitmap_ppn) bitmap_set_msg.hdr.src = VMCI_ANON_SRC_HANDLE; bitmap_set_msg.hdr.payload_size = sizeof(bitmap_set_msg) - VMCI_DG_HEADERSIZE; - bitmap_set_msg.bitmap_ppn = bitmap_ppn; + if (vmci_use_ppn64()) + bitmap_set_msg.bitmap_ppn64 = bitmap_ppn; + else + bitmap_set_msg.bitmap_ppn32 = (u32) bitmap_ppn; result = vmci_send_datagram(&bitmap_set_msg.hdr); if (result != VMCI_SUCCESS) { - pr_devel("Failed to register (PPN=%u) as notification bitmap (error=%d)\n", + pr_devel("Failed to register (PPN=%llu) as notification bitmap (error=%d)\n", bitmap_ppn, result); return false; } |