From: Nathan Fontenot <nfont@linux.vnet.ibm.com>
To: Michael Bringmann <mwb@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH V9 1/8] powerpc/firmware: Add definitions for new firmware features.
Date: Mon, 12 Dec 2016 09:19:49 -0600 [thread overview]
Message-ID: <8d021d3e-f83c-11d1-712f-9ee48e5fa3d3@linux.vnet.ibm.com> (raw)
In-Reply-To: <148109483155.193207.7458792041495158698.stgit@powerkvm6.aus.stglabs.ibm.com>
On 12/07/2016 01:14 AM, Michael Bringmann 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 <mwb@linux.vnet.ibm.com>
Reviewed-by: Nathan Fontenot <nfont@linux.vnet.ibm.com>
> ---
> arch/powerpc/include/asm/firmware.h | 5 ++++-
> arch/powerpc/include/asm/prom.h | 2 ++
> arch/powerpc/platforms/pseries/firmware.c | 2 ++
> 3 files changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h
> index 1e0b5a5..6b5cf38 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..bc7c4b5 100644
> --- a/arch/powerpc/include/asm/prom.h
> +++ b/arch/powerpc/include/asm/prom.h
> @@ -155,6 +155,8 @@ 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 */
>
> /* Option Vector 6: IBM PAPR hints */
> #define OV6_LINUX 0x02 /* Linux is our OS */
> diff --git a/arch/powerpc/platforms/pseries/firmware.c b/arch/powerpc/platforms/pseries/firmware.c
> index ea7f09b..d2d23f5 100644
> --- a/arch/powerpc/platforms/pseries/firmware.c
> +++ b/arch/powerpc/platforms/pseries/firmware.c
> @@ -113,6 +113,8 @@ struct vec5_fw_feature {
> vec5_fw_features_table[] = {
> {FW_FEATURE_TYPE1_AFFINITY, OV5_TYPE1_AFFINITY},
> {FW_FEATURE_PRRN, OV5_PRRN},
> + {FW_FEATURE_DYN_MEM_V2, OV5_DYN_MEM_V2},
> + {FW_FEATURE_DRC_INFO, OV5_DRC_INFO},
> };
>
> static void __init fw_vec5_feature_init(const char *vec5, unsigned long len)
>
next prev parent reply other threads:[~2016-12-12 15:19 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-07 7:13 [PATCH V9 0/8] powerpc/devtree: Add support for 2 new DRC properties Michael Bringmann
2016-12-07 7:14 ` [PATCH V9 1/8] powerpc/firmware: Add definitions for new firmware features Michael Bringmann
2016-12-12 15:19 ` Nathan Fontenot [this message]
2016-12-07 7:14 ` [PATCH V9 2/8] powerpc/memory: Parse new memory property to register blocks Michael Bringmann
2016-12-12 15:24 ` Nathan Fontenot
2016-12-07 7:14 ` [PATCH V9 3/8] powerpc/memory: Parse new memory property to initialize structures Michael Bringmann
2016-12-12 15:27 ` Nathan Fontenot
2016-12-07 7:14 ` [PATCH V9 4/8] pseries/hotplug init: Convert new DRC memory property for hotplug runtime Michael Bringmann
2016-12-12 15:29 ` Nathan Fontenot
2017-01-31 2:53 ` Michael Ellerman
2017-02-01 16:27 ` [PATCH V10 " Michael Bringmann
2016-12-07 7:15 ` [PATCH V9 5/8] pseries/drc-info: Search new DRC properties for CPU indexes Michael Bringmann
2016-12-07 7:15 ` [PATCH V9 6/8] hotplug/drc-info: Add code to search new devtree properties Michael Bringmann
2016-12-12 15:39 ` Nathan Fontenot
2016-12-07 7:15 ` [PATCH V9 7/8] powerpc: Check arch.vec earlier during boot for memory features Michael Bringmann
2016-12-12 15:39 ` Nathan Fontenot
2016-12-07 7:16 ` [PATCH V9 8/8] powerpc: Enable support for new DRC devtree properties Michael Bringmann
2016-12-12 15:40 ` Nathan Fontenot
2017-01-24 19:41 ` [PATCH V9 0/8] powerpc/devtree: Add support for 2 new DRC properties Michael Bringmann
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