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From: Jerry Hoemann <jerry.hoemann@hpe.com>
To: dan.j.williams@intel.com
Cc: linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org
Subject: [PATCH v3 4/7] acpi, nfit: Use bus_dsm_mask for passthru
Date: Thu, 29 Jun 2017 10:56:29 -0600	[thread overview]
Message-ID: <f332778c416d01fd76ce8e474acd583e1b787c29.1498754314.git.jerry.hoemann@hpe.com> (raw)
In-Reply-To: <cover.1498754314.git.jerry.hoemann@hpe.com>
In-Reply-To: <cover.1498754314.git.jerry.hoemann@hpe.com>

Populate bus_dsm_mask and use it to filter dsm calls that user can
make through the pass thru interface.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
---
 drivers/acpi/nfit/core.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index b46fca2..971002b 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -253,6 +253,8 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
 		cmd_name = nvdimm_bus_cmd_name(cmd);
 		cmd_mask = nd_desc->cmd_mask;
 		dsm_mask = cmd_mask;
+		if (cmd == ND_CMD_CALL)
+			dsm_mask = nd_desc->bus_dsm_mask;
 		desc = nd_cmd_bus_desc(cmd);
 		uuid = to_nfit_uuid(NFIT_DEV_BUS);
 		handle = adev->handle;
@@ -1624,6 +1626,9 @@ static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc)
 		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);
+	for (i = 0; i < ND_CMD_CALL; i++)
+		if (acpi_check_dsm(adev->handle, uuid, 1, 1ULL << i))
+			set_bit(i, &nd_desc->bus_dsm_mask);
 }
 
 static ssize_t range_index_show(struct device *dev,
-- 
1.8.5.6

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Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm

WARNING: multiple messages have this Message-ID (diff)
From: Jerry Hoemann <jerry.hoemann@hpe.com>
To: dan.j.williams@intel.com
Cc: linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org,
	Jerry Hoemann <jerry.hoemann@hpe.com>
Subject: [PATCH v3 4/7] acpi, nfit: Use bus_dsm_mask for passthru
Date: Thu, 29 Jun 2017 10:56:29 -0600	[thread overview]
Message-ID: <f332778c416d01fd76ce8e474acd583e1b787c29.1498754314.git.jerry.hoemann@hpe.com> (raw)
In-Reply-To: <cover.1498754314.git.jerry.hoemann@hpe.com>
In-Reply-To: <cover.1498754314.git.jerry.hoemann@hpe.com>

Populate bus_dsm_mask and use it to filter dsm calls that user can
make through the pass thru interface.

Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
---
 drivers/acpi/nfit/core.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index b46fca2..971002b 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -253,6 +253,8 @@ int acpi_nfit_ctl(struct nvdimm_bus_descriptor *nd_desc, struct nvdimm *nvdimm,
 		cmd_name = nvdimm_bus_cmd_name(cmd);
 		cmd_mask = nd_desc->cmd_mask;
 		dsm_mask = cmd_mask;
+		if (cmd == ND_CMD_CALL)
+			dsm_mask = nd_desc->bus_dsm_mask;
 		desc = nd_cmd_bus_desc(cmd);
 		uuid = to_nfit_uuid(NFIT_DEV_BUS);
 		handle = adev->handle;
@@ -1624,6 +1626,9 @@ static void acpi_nfit_init_dsms(struct acpi_nfit_desc *acpi_desc)
 		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);
+	for (i = 0; i < ND_CMD_CALL; i++)
+		if (acpi_check_dsm(adev->handle, uuid, 1, 1ULL << i))
+			set_bit(i, &nd_desc->bus_dsm_mask);
 }
 
 static ssize_t range_index_show(struct device *dev,
-- 
1.8.5.6

  parent reply	other threads:[~2017-06-29 16:55 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-29 16:56 [PATCH v3 0/7] Enable DSM pass thru for root functions Jerry Hoemann
2017-06-29 16:56 ` Jerry Hoemann
2017-06-29 16:56 ` [PATCH v3 1/7] libnvdimm: passthru functions clear to send Jerry Hoemann
2017-06-29 16:56   ` Jerry Hoemann
2017-06-29 16:56 ` [PATCH v3 2/7] acpi, nfit: Enable DSM pass thru for root functions Jerry Hoemann
2017-06-29 16:56   ` Jerry Hoemann
2017-06-29 16:56 ` [PATCH v3 3/7] libnvdimm: Add bus level dsm mask Jerry Hoemann
2017-06-29 16:56   ` Jerry Hoemann
2017-06-29 21:23   ` Dan Williams
2017-06-29 21:23     ` Dan Williams
2017-06-29 16:56 ` Jerry Hoemann [this message]
2017-06-29 16:56   ` [PATCH v3 4/7] acpi, nfit: Use bus_dsm_mask for passthru Jerry Hoemann
2017-06-29 21:35   ` Dan Williams
2017-06-29 21:35     ` Dan Williams
2017-06-29 21:47     ` Jerry Hoemann
2017-06-29 21:47       ` Jerry Hoemann
2017-06-29 21:55       ` Dan Williams
2017-06-29 21:55         ` Dan Williams
2017-06-29 23:26         ` Jerry Hoemann
2017-06-29 23:26           ` Jerry Hoemann
2017-06-30  1:26           ` Dan Williams
2017-06-30  1:26             ` Dan Williams
2017-06-29 16:56 ` [PATCH v3 5/7] acpi, nfit: Show bus_dsm_mask in sysfs Jerry Hoemann
2017-06-29 16:56   ` Jerry Hoemann
2017-06-29 16:56 ` [PATCH v3 6/7] libnvdimm: New ACPI 6.2 DSM functions Jerry Hoemann
2017-06-29 16:56   ` Jerry Hoemann
2017-06-29 16:56 ` [PATCH v3 7/7] acpi, nfit: override mask Jerry Hoemann
2017-06-29 16:56   ` Jerry Hoemann
2017-06-29 21:16   ` Dan Williams
2017-06-29 21:16     ` Dan Williams
2017-06-29 22:18     ` Jerry Hoemann
2017-06-29 22:18       ` Jerry Hoemann
2017-06-29 22:50       ` Dan Williams
2017-06-29 22:50         ` Dan Williams

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