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From: Stefan Berger <stefanb@linux.ibm.com>
To: grub-devel@gnu.org
Cc: dkiper@net-space.pl, hbathini@linux.ibm.com, pavrampu@in.ibm.com,
	mpe@ellerman.id.au, cpscherr@us.ibm.com, mahesh@linux.ibm.com,
	sourabhjain@linux.ibm.com, avnish.chouhan@ibm.com,
	Stefan Berger <stefanb@linux.ibm.com>,
	Daniel Kiper <daniel.kiper@oracle.com>
Subject: [PATCH v4 06/10] kern/ieee1275/cmain: ppc64: Introduce flags to identify Power VM and KVM
Date: Fri, 10 Nov 2023 11:09:49 -0500	[thread overview]
Message-ID: <20231110160953.3918186-7-stefanb@linux.ibm.com> (raw)
In-Reply-To: <20231110160953.3918186-1-stefanb@linux.ibm.com>

Introduce flags to identify PowerVM and PowerKVM and set them where
each type of host has been detected.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Cc: Hari Bathini <hbathini@linux.ibm.com>
Cc: Pavithra Prakash <pavrampu@in.ibm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Carolyn Scherrer <cpscherr@us.ibm.com>
Cc: Mahesh Salgaonkar <mahesh@linux.ibm.com>
Cc: Sourabh Jain <sourabhjain@linux.ibm.com>
---
 grub-core/kern/ieee1275/cmain.c  | 6 +++++-
 include/grub/ieee1275/ieee1275.h | 4 ++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/grub-core/kern/ieee1275/cmain.c b/grub-core/kern/ieee1275/cmain.c
index 400d85d28..cc7c32873 100644
--- a/grub-core/kern/ieee1275/cmain.c
+++ b/grub-core/kern/ieee1275/cmain.c
@@ -126,7 +126,10 @@ grub_ieee1275_find_options (void)
 
 #if defined(__powerpc__)
       if (grub_strncmp (tmp, "IBM,", 4) == 0)
-	grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_CAN_TRY_CAS_FOR_MORE_MEMORY);
+	{
+	  grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_CAN_TRY_CAS_FOR_MORE_MEMORY);
+	  grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_POWER_VM);
+	}
 #endif
     }
 
@@ -193,6 +196,7 @@ grub_ieee1275_find_options (void)
       grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_NO_PRE1_5M_CLAIM);
 
       grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_HAS_CURSORONOFF);
+      grub_ieee1275_set_flag (GRUB_IEEE1275_FLAG_POWER_KVM);
     }
 }
 
diff --git a/include/grub/ieee1275/ieee1275.h b/include/grub/ieee1275/ieee1275.h
index 9f669fbee..5b7a36ad8 100644
--- a/include/grub/ieee1275/ieee1275.h
+++ b/include/grub/ieee1275/ieee1275.h
@@ -140,6 +140,10 @@ enum grub_ieee1275_flag
    * only 256MB in size, try asking for more with CAS.
    */
   GRUB_IEEE1275_FLAG_CAN_TRY_CAS_FOR_MORE_MEMORY,
+
+  GRUB_IEEE1275_FLAG_POWER_VM,
+
+  GRUB_IEEE1275_FLAG_POWER_KVM,
 #endif
 };
 
-- 
2.25.1


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  parent reply	other threads:[~2023-11-10 16:10 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-10 16:09 [PATCH v4 00/10] ppc64: Restrict memory allocations for kernel and initrd Stefan Berger
2023-11-10 16:09 ` [PATCH v4 01/10] kern/ieee1275/init: ppc64: Introduce a request for regions_claim Stefan Berger
2023-11-10 16:09 ` [PATCH v4 02/10] kern/ieee1275/init: ppc64: Decide by request whether to initialize region Stefan Berger
2023-11-10 16:09 ` [PATCH v4 03/10] kern/ieee1275/init: ppc64: Return allocated address using context Stefan Berger
2023-11-10 16:09 ` [PATCH v4 04/10] kern/ieee1275/init: ppc64: Add support for alignment requirements Stefan Berger
2023-11-10 16:09 ` [PATCH v4 05/10] kern/ieee1275/init: ppc64: Rename regions_claim to grub_regions_claim Stefan Berger
2023-11-10 16:09 ` Stefan Berger [this message]
2023-11-13  5:58   ` [PATCH v4 06/10] kern/ieee1275/cmain: ppc64: Introduce flags to identify Power VM and KVM Michael Ellerman
2023-11-13 23:26     ` Stefan Berger
2023-11-10 16:09 ` [PATCH v4 07/10] loader/powerpc/ieee1275: Use new allocation function for kernel and initrd Stefan Berger
2023-11-10 16:09 ` [PATCH v4 08/10] kern/ieee1275/ieee1275: debug: Display successful memory claims Stefan Berger
2023-11-10 16:09 ` [PATCH v4 09/10] kern/ieee1275/init: ppc64: Fix a comment Stefan Berger
2023-11-10 16:09 ` [PATCH v4 10/10] kern/ieee1275/init: ppc64: Display upper_mem_limit for debugging Stefan Berger

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