diff options
| author | Oliver O'Halloran <oohall@gmail.com> | 2017-04-20 11:41:10 +1000 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-05-03 16:47:31 +1000 |
| commit | 44790c6f751935682e739b243cd9e36c0dcbf144 (patch) | |
| tree | e4c15157c73b080ab21f574cea62b4e1e063d5bb /hdata | |
| parent | 78d47ae53ba7be3a7747b1321329a17ebe3a24a2 (diff) | |
| download | skiboot-44790c6f751935682e739b243cd9e36c0dcbf144.zip skiboot-44790c6f751935682e739b243cd9e36c0dcbf144.tar.gz skiboot-44790c6f751935682e739b243cd9e36c0dcbf144.tar.bz2 | |
hdata: indicate when booted with elevated risk level
When the system is IPLed with an elevated risk level Hostboot will
set a flag in the IPL parameters structure. Parse and export this
in the device tree at: /ipl-params/sys-params/elevated-risk-level
Cc: Adrian Barrera <abarrera@us.ibm.com>
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'hdata')
| -rw-r--r-- | hdata/spira.c | 5 | ||||
| -rw-r--r-- | hdata/spira.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/hdata/spira.c b/hdata/spira.c index 46dd1ab..fd7f351 100644 --- a/hdata/spira.c +++ b/hdata/spira.c @@ -812,6 +812,7 @@ static void add_iplparams_sys_params(const void *iplp, struct dt_node *node) const struct HDIF_common_hdr *hdif = iplp; u16 version = be16_to_cpu(hdif->version); const char *vendor = NULL; + u32 sys_attributes; p = HDIF_get_idata(iplp, IPLPARAMS_SYSPARAMS, NULL); if (!CHECK_SPPTR(p)) { @@ -887,6 +888,10 @@ static void add_iplparams_sys_params(const void *iplp, struct dt_node *node) vendor = "IBM"; dt_add_property_string(dt_root, "vendor", vendor); + + sys_attributes = be32_to_cpu(p->sys_attributes); + if (sys_attributes & SYS_ATTR_RISK_LEVEL) + dt_add_property(node, "elevated-risk-level", NULL, 0); } static void add_iplparams_ipl_params(const void *iplp, struct dt_node *node) diff --git a/hdata/spira.h b/hdata/spira.h index 01adf8a..abf5da8 100644 --- a/hdata/spira.h +++ b/hdata/spira.h @@ -353,6 +353,7 @@ struct iplparams_sysparams { __be32 abc_bus_speed; __be32 wxyz_bus_speed; __be32 sys_eco_mode; +#define SYS_ATTR_RISK_LEVEL PPC_BIT32(3) __be32 sys_attributes; __be32 mem_scrubbing; __be16 cur_spl_value; |