diff options
| author |  Steffen Eiden <seiden@linux.ibm.com>
| 2023-08-15 17:14:15 +0200 |
|---|---|---|
| committer |  Janosch Frank <frankja@linux.ibm.com>
| 2023-08-28 09:27:56 +0000 |
| commit | 899e2206f46aece42d8194c350bc1de71344dbc7 (patch) | |
| tree | be84acc33c9d15df64bbc9f9b10e0d2792445e29 /arch/s390/include | |
| parent | KVM: s390: Add UV feature negotiation (diff) | |
| download | linux-899e2206f46aece42d8194c350bc1de71344dbc7.tar.gz linux-899e2206f46aece42d8194c350bc1de71344dbc7.tar.bz2 linux-899e2206f46aece42d8194c350bc1de71344dbc7.zip | |
KVM: s390: pv: Allow AP-instructions for pv-guests
Introduces new feature bits and enablement flags for AP and AP IRQ
support.
Signed-off-by: Steffen Eiden <seiden@linux.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Michael Mueller <mimu@linux.ibm.com>
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Link: https://lore.kernel.org/r/20230815151415.379760-5-seiden@linux.ibm.com
Message-Id: <20230815151415.379760-5-seiden@linux.ibm.com>
Diffstat (limited to 'arch/s390/include')
| -rw-r--r-- | arch/s390/include/asm/uv.h | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h index 823adfff7315..0e7bd3873907 100644 --- a/arch/s390/include/asm/uv.h +++ b/arch/s390/include/asm/uv.h @@ -99,6 +99,8 @@ enum uv_cmds_inst { enum uv_feat_ind { BIT_UV_FEAT_MISC = 0, BIT_UV_FEAT_AIV = 1, + BIT_UV_FEAT_AP = 4, + BIT_UV_FEAT_AP_INTR = 5, }; struct uv_cb_header { @@ -159,7 +161,15 @@ struct uv_cb_cgc { u64 guest_handle; u64 conf_base_stor_origin; u64 conf_virt_stor_origin; - u64 reserved30; + u8 reserved30[6]; + union { + struct { + u16 : 14; + u16 ap_instr_intr : 1; + u16 ap_allow_instr : 1; + }; + u16 raw; + } flags; u64 guest_stor_origin; u64 guest_stor_len; u64 guest_sca; |