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| author | Janosch Frank <frankja@linux.ibm.com> | 2022-05-17 18:36:19 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@linux.ibm.com> | 2022-06-01 16:57:14 +0200 |
| commit | ac640db3a0260541058e95e4acd249cc166cb0eb (patch) | |
| tree | 9db46d5f8b9a1920ed9c868e95a99a34f2d35620 /arch/s390/include/asm/uv.h | |
| parent | KVM: Do not pin pages tracked by gfn=>pfn caches (diff) | |
| download | linux-ac640db3a0260541058e95e4acd249cc166cb0eb.tar.xz linux-ac640db3a0260541058e95e4acd249cc166cb0eb.zip | |
s390/uv: Add SE hdr query information
We have information about the supported se header version and pcf bits
so let's expose it via the sysfs files.
Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Link: https://lore.kernel.org/r/20220517163629.3443-2-frankja@linux.ibm.com
Message-Id: <20220517163629.3443-2-frankja@linux.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/uv.h')
| -rw-r--r-- | arch/s390/include/asm/uv.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h index cfea7b77a5b8..46498b8c587b 100644 --- a/arch/s390/include/asm/uv.h +++ b/arch/s390/include/asm/uv.h @@ -110,7 +110,10 @@ struct uv_cb_qui { u8 reserved88[158 - 136]; /* 0x0088 */ u16 max_guest_cpu_id; /* 0x009e */ u64 uv_feature_indications; /* 0x00a0 */ - u8 reserveda8[200 - 168]; /* 0x00a8 */ + u64 reserveda8; /* 0x00a8 */ + u64 supp_se_hdr_versions; /* 0x00b0 */ + u64 supp_se_hdr_pcf; /* 0x00b8 */ + u64 reservedc0; /* 0x00c0 */ } __packed __aligned(8); /* Initialize Ultravisor */ @@ -307,6 +310,8 @@ struct uv_info { unsigned int max_num_sec_conf; unsigned short max_guest_cpu_id; unsigned long uv_feature_indications; + unsigned long supp_se_hdr_ver; + unsigned long supp_se_hdr_pcf; }; extern struct uv_info uv_info; |