linux-kernel - [PATCH 2/3] acpi, nfit: Enable DSM pass thru for root functions.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <cac12e3bf8ecd1762153d5ee10ee2578f0899c77.1496852665.git.jerry.hoemann@hpe.com>
Date:   Wed,  7 Jun 2017 11:04:56 -0600
From:   Jerry Hoemann <jerry.hoemann@....com>
To:     dan.j.williams@...el.com
Cc:     linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org,
        linda.knippers@....com, Jerry Hoemann <jerry.hoemann@....com>
Subject: [PATCH 2/3] acpi, nfit: Enable DSM pass thru for root functions.

Set ND_CMD_CALL in the cmd_mask to enable calling root
functions via the pass trhu mechanism.

Signed-off-by: Jerry Hoemann <jerry.hoemann@....com>
---
 drivers/acpi/nfit/core.c   | 3 ++-
 include/uapi/linux/ndctl.h | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 656acb5..a848b17 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1620,9 +1620,10 @@ static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc)
 	if (!adev)
 		return;
 
-	for (i = ND_CMD_ARS_CAP; i <= ND_CMD_CLEAR_ERROR; i++)
+	for (i = ND_CMD_ARS_CAP; i <  ND_CMD_CALL; i++)
 		if (acpi_check_dsm(adev->handle, uuid, 1, 1ULL << i))
 			set_bit(i, &nd_desc->cmd_mask);
+	set_bit(ND_CMD_CALL, &nd_desc->cmd_mask);
 }
 
 static ssize_t range_index_show(struct device *dev,
diff --git a/include/uapi/linux/ndctl.h b/include/uapi/linux/ndctl.h
index 7ad3863..e23c37f 100644
--- a/include/uapi/linux/ndctl.h
+++ b/include/uapi/linux/ndctl.h
@@ -179,6 +179,7 @@ static inline const char *nvdimm_bus_cmd_name(unsigned cmd)
 		[ND_CMD_ARS_START] = "ars_start",
 		[ND_CMD_ARS_STATUS] = "ars_status",
 		[ND_CMD_CLEAR_ERROR] = "clear_error",
+		[ND_CMD_CALL] = "cmd_call",
 	};
 
 	if (cmd < ARRAY_SIZE(names) && names[cmd])
-- 
1.8.5.6