From: Prakhar Srivastava <prsriva@linux.microsoft.com>
To: linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org
Cc: catalin.marinas@arm.com, will@kernel.org, mpe@ellerman.id.au,
benh@kernel.crashing.org, paulus@samba.org, robh+dt@kernel.org,
frowand.list@gmail.com, zohar@linux.ibm.com,
dmitry.kasatkin@gmail.com, jmorris@namei.org, serge@hallyn.com,
pasha.tatashin@soleen.com, allison@lohutok.net,
kstewart@linuxfoundation.org, takahiro.akashi@linaro.org,
tglx@linutronix.de, vincenzo.frascino@arm.com,
mark.rutland@arm.com, masahiroy@kernel.org, james.morse@arm.com,
bhsharma@redhat.com, mbrugger@suse.com, hsinyi@chromium.org,
tao.li@vivo.com, christophe.leroy@c-s.fr,
gregkh@linuxfoundation.org, nramas@linux.microsoft.com,
prsriva@linux.microsoft.com, tusharsu@linux.microsoft.com,
balajib@linux.microsoft.com, bauerman@linux.ibm.com,
robh@kernel.org
Subject: [PATCH V3 6/6] Add the property used for carrying forward the IMA measurement logs and update the code to use the defined property string.
Date: Mon, 20 Jul 2020 08:23:42 -0700 [thread overview]
Message-ID: <20200720152342.337990-7-prsriva@linux.microsoft.com> (raw)
In-Reply-To: <20200720152342.337990-1-prsriva@linux.microsoft.com>
Signed-off-by: Prakhar Srivastava <prsriva@linux.microsoft.com>
---
arch/arm64/kernel/machine_kexec_file.c | 19 ++++++++++---------
arch/powerpc/kexec/ima.c | 8 +++++---
2 files changed, 15 insertions(+), 12 deletions(-)
diff --git a/arch/arm64/kernel/machine_kexec_file.c b/arch/arm64/kernel/machine_kexec_file.c
index 066670c43626..59058901e641 100644
--- a/arch/arm64/kernel/machine_kexec_file.c
+++ b/arch/arm64/kernel/machine_kexec_file.c
@@ -24,14 +24,15 @@
#include <asm/byteorder.h>
/* relevant device tree properties */
-#define FDT_PROP_KEXEC_ELFHDR "linux,elfcorehdr"
-#define FDT_PROP_MEM_RANGE "linux,usable-memory-range"
-#define FDT_PROP_INITRD_START "linux,initrd-start"
-#define FDT_PROP_INITRD_END "linux,initrd-end"
-#define FDT_PROP_BOOTARGS "bootargs"
-#define FDT_PROP_KASLR_SEED "kaslr-seed"
-#define FDT_PROP_RNG_SEED "rng-seed"
-#define RNG_SEED_SIZE 128
+#define FDT_PROP_KEXEC_ELFHDR "linux,elfcorehdr"
+#define FDT_PROP_MEM_RANGE "linux,usable-memory-range"
+#define FDT_PROP_INITRD_START "linux,initrd-start"
+#define FDT_PROP_INITRD_END "linux,initrd-end"
+#define FDT_PROP_BOOTARGS "bootargs"
+#define FDT_PROP_KASLR_SEED "kaslr-seed"
+#define FDT_PROP_RNG_SEED "rng-seed"
+#define FDT_PROP_IMA_KEXEC_BUFFER "linux,ima-kexec-buffer"
+#define RNG_SEED_SIZE 128
const struct kexec_file_ops * const kexec_file_loaders[] = {
&kexec_image_ops,
@@ -157,7 +158,7 @@ static int setup_dtb(struct kimage *image,
if (image->arch.ima_buffer_size > 0) {
ret = fdt_appendprop_addrrange(dtb, 0, off,
- "linux,ima-kexec-buffer",
+ FDT_PROP_IMA_KEXEC_BUFFER,
image->arch.ima_buffer_addr,
image->arch.ima_buffer_size);
if (ret)
diff --git a/arch/powerpc/kexec/ima.c b/arch/powerpc/kexec/ima.c
index a9e4e9f04273..7d6c43b2eacb 100644
--- a/arch/powerpc/kexec/ima.c
+++ b/arch/powerpc/kexec/ima.c
@@ -12,6 +12,8 @@
#include <linux/memblock.h>
#include <linux/libfdt.h>
+#define FDT_PROP_IMA_KEXEC_BUFFER "linux,ima-kexec-buffer"
+
/**
* remove_ima_buffer - remove the IMA buffer property and reservation from @fdt
*
@@ -25,7 +27,7 @@ void remove_ima_buffer(void *fdt, int chosen_node)
size_t size;
const void *prop;
- prop = fdt_getprop(fdt, chosen_node, "linux,ima-kexec-buffer", &len);
+ prop = fdt_getprop(fdt, chosen_node, FDT_PROP_IMA_KEXEC_BUFFER, &len);
if (!prop)
return;
@@ -45,7 +47,7 @@ void remove_ima_buffer(void *fdt, int chosen_node)
addr = of_read_number(prop, addr_cells);
size = of_read_number(prop + 4 * addr_cells, size_cells);
- fdt_delprop(fdt, chosen_node, "linux,ima-kexec-buffer");
+ fdt_delprop(fdt, chosen_node, FDT_PROP_IMA_KEXEC_BUFFER);
if (ret)
return;
@@ -134,7 +136,7 @@ int setup_ima_buffer(const struct kimage *image, void *fdt, int chosen_node)
if (ret)
return ret;
- ret = fdt_setprop(fdt, chosen_node, "linux,ima-kexec-buffer", value,
+ ret = fdt_setprop(fdt, chosen_node, FDT_PROP_IMA_KEXEC_BUFFER, value,
entry_size);
if (ret < 0)
return -EINVAL;
--
2.25.1
next prev parent reply other threads:[~2020-07-20 15:24 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-20 15:23 [PATCH V3 0/6] Add support to carry forward the IMA measurement logs Prakhar Srivastava
2020-07-20 15:23 ` [PATCH V3 1/6] Refactoring powerpc code to be made available to other architectures Prakhar Srivastava
2020-07-20 15:23 ` [PATCH V3 2/6] Update remove_ima_buffer code to use functions from libfdt reducing wrappers functions Prakhar Srivastava
2020-07-20 15:32 ` Greg KH
2020-07-20 15:23 ` [PATCH V3 3/6] Update function do_get_kexec_buffer to use of_* functions, and reducing wrapper functions Prakhar Srivastava
2020-07-20 15:23 ` [PATCH V3 4/6] Add support in arm64 to store the memory information of the IMA measurement log in the kimage used for kexec Prakhar Srivastava
2020-07-20 19:24 ` kernel test robot
2020-07-20 19:24 ` kernel test robot
2020-07-20 15:23 ` [PATCH V3 5/6] Update the Kconfig to support carrying forward the IMA Measurement log and and update the setup_dtb call to add the linux,ima-kexec-buffer property to the DTB Prakhar Srivastava
2020-07-20 15:32 ` Greg KH
2020-07-20 20:18 ` kernel test robot
2020-07-20 20:18 ` [PATCH V3 5/6] Update the Kconfig to support carrying forward the IMA Measurement log and and update the setup_dtb call to add the linux, ima-kexec-buffer " kernel test robot
2020-07-20 15:23 ` Prakhar Srivastava [this message]
2020-07-20 15:34 ` [PATCH V3 6/6] Add the property used for carrying forward the IMA measurement logs and update the code to use the defined property string Greg KH
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