Included in ACPICA version 20171110
> -----Original Message----- > From: Jeremy Linton [mailto:[email protected]] > Sent: Thursday, November 9, 2017 1:03 PM > To: [email protected] > Cc: [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; > [email protected]; [email protected]; > [email protected]; [email protected]; linux- > [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; > [email protected]; [email protected]; [email protected]; > Moore, Robert <[email protected]>; Zheng, Lv <[email protected]>; > [email protected]; Jeremy Linton <[email protected]> > Subject: [PATCH v4 1/9] ACPICA: Add additional PPTT flags for cache > properties > > The PPTT table has a number of flags that can be set to describe whether > the cache is I/D/U and the allocation and write policies. Add these > flags. > > Signed-off-by: Jeremy Linton <[email protected]> > --- > include/acpi/actbl1.h | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h index > 6b8714a428b6..71f874e2790d 100644 > --- a/include/acpi/actbl1.h > +++ b/include/acpi/actbl1.h > @@ -1346,6 +1346,20 @@ struct acpi_pptt_cache { > #define ACPI_PPTT_MASK_CACHE_TYPE (0x0C) /* Cache type */ > #define ACPI_PPTT_MASK_WRITE_POLICY (0x10) /* Write policy */ > > +/* Attributes describing cache */ > +#define ACPI_PPTT_CACHE_READ_ALLOCATE (0x0) /* Cache line is > allocated on read */ > +#define ACPI_PPTT_CACHE_WRITE_ALLOCATE (0x01) /* Cache line is > allocated on write */ > +#define ACPI_PPTT_CACHE_RW_ALLOCATE (0x02) /* Cache line is > allocated on read and write */ > +#define ACPI_PPTT_CACHE_RW_ALLOCATE_ALT (0x03) /* Alternate > representation of above */ > + > +#define ACPI_PPTT_CACHE_TYPE_DATA (0x0) /* Data cache */ > +#define ACPI_PPTT_CACHE_TYPE_INSTR (1<<2) /* Instruction cache */ > +#define ACPI_PPTT_CACHE_TYPE_UNIFIED (2<<2) /* Unified I & D cache > */ > +#define ACPI_PPTT_CACHE_TYPE_UNIFIED_ALT (3<<2) /* Alternate > representation of above */ > + > +#define ACPI_PPTT_CACHE_POLICY_WB (0x0) /* Cache is write back > */ > +#define ACPI_PPTT_CACHE_POLICY_WT (1<<4) /* Cache is write > through */ > + > /* 2: ID Structure */ > > struct acpi_pptt_id { > -- > 2.13.5
