On Tue, Aug 2, 2016 at 6:12 AM, Michael Bringmann
<m...@linux.vnet.ibm.com> wrote:
> Firmware Features: Define new bit flags representing the presence of
> new device tree properties "ibm,drc-info", and "ibm,dynamic-memory-v2".
> These flags are used to tell the front end processor when the Linux
> kernel supports the new properties, and by the front end processor to
> tell the Linux kernel that the new properties are present in the devie
> tree.
>
> Signed-off-by: Michael Bringmann <m...@linux.vnet.ibm.com>
> ---
> diff --git a/arch/powerpc/include/asm/firmware.h
> b/arch/powerpc/include/asm/firmware.h
> index b062924..a9d66d5 100644
> --- a/arch/powerpc/include/asm/firmware.h
> +++ b/arch/powerpc/include/asm/firmware.h
> @@ -51,6 +51,8 @@
> #define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000)
> #define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)
> #define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000)
> +#define FW_FEATURE_DYN_MEM_V2 ASM_CONST(0x0000000400000000)
> +#define FW_FEATURE_DRC_INFO ASM_CONST(0x0000000800000000)
>
> #ifndef __ASSEMBLY__
>
> @@ -66,7 +68,8 @@ enum {
> FW_FEATURE_MULTITCE | FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
> FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
> FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
> - FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN,
> + FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN |
> + FW_FEATURE_DYN_MEM_V2 | FW_FEATURE_DRC_INFO,
> FW_FEATURE_PSERIES_ALWAYS = 0,
> FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL,
> FW_FEATURE_POWERNV_ALWAYS = 0,
> diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
> index 7f436ba..b9a1534 100644
> --- a/arch/powerpc/include/asm/prom.h
> +++ b/arch/powerpc/include/asm/prom.h
> @@ -155,6 +203,8 @@ struct of_drconf_cell {
> #define OV5_PFO_HW_842 0x0E40 /* PFO Compression Accelerator */
> #define OV5_PFO_HW_ENCR 0x0E20 /* PFO Encryption Accelerator
> */
> #define OV5_SUB_PROCESSORS 0x0F01 /* 1,2,or 4 Sub-Processors supported
> */
> +#define OV5_DYN_MEM_V2 0x1680 /* Redef Prop Structures: dyn-mem-v2
> */
> +#define OV5_DRC_INFO 0x1640 /* Redef Prop Structures: drc-info
> */
Shouldn't these two features be set in ibm_architecture_vec[] so that
guest firmware knows when to generate these two new device tree
properties ?
Regards,
Bharata.
