[PATCH AUTOSEL 6.7 01/23] wifi: cfg80211: fix missing interfaces when dumping

[PATCH AUTOSEL 6.7 01/23] wifi: cfg80211: fix missing interfaces when dumping

[Sasha Levin]

From: Michal Kazior <michal@plume.com>

[ Upstream commit a6e4f85d3820d00694ed10f581f4c650445dbcda ]

The nl80211_dump_interface() supports resumption
in case nl80211_send_iface() doesn't have the
resources to complete its work.

The logic would store the progress as iteration
offsets for rdev and wdev loops.

However the logic did not properly handle
resumption for non-last rdev. Assuming a system
with 2 rdevs, with 2 wdevs each, this could
happen:

 dump(cb=[0, 0]):
  if_start=cb[1] (=0)
  send rdev0.wdev0 -> ok
  send rdev0.wdev1 -> yield
  cb[1] = 1

 dump(cb=[0, 1]):
  if_start=cb[1] (=1)
  send rdev0.wdev1 -> ok
  // since if_start=1 the rdev0.wdev0 got skipped
  // through if_idx < if_start
  send rdev1.wdev1 -> ok

The if_start needs to be reset back to 0 upon wdev
loop end.

The problem is actually hard to hit on a desktop,
and even on most routers. The prerequisites for
this manifesting was:
 - more than 1 wiphy
 - a few handful of interfaces
 - dump without rdev or wdev filter

I was seeing this with 4 wiphys 9 interfaces each.
It'd miss 6 interfaces from the last wiphy
reported to userspace.

Signed-off-by: Michal Kazior <michal@plume.com>
Link: https://msgid.link/20240116142340.89678-1-kazikcz@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/wireless/nl80211.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 1cbbb11ea503..fbf95b7ff6b4 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -4008,6 +4008,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
 		}
 		wiphy_unlock(&rdev->wiphy);
 
+		if_start = 0;
 		wp_idx++;
 	}
  out:
-- 
2.43.0

[PATCH AUTOSEL 6.7 02/23] wifi: mac80211: fix race condition on enabling fast-xmit

[Sasha Levin]

From: Felix Fietkau <nbd@nbd.name>

[ Upstream commit bcbc84af1183c8cf3d1ca9b78540c2185cd85e7f ]

fast-xmit must only be enabled after the sta has been uploaded to the driver,
otherwise it could end up passing the not-yet-uploaded sta via drv_tx calls
to the driver, leading to potential crashes because of uninitialized drv_priv
data.
Add a missing sta->uploaded check and re-check fast xmit after inserting a sta.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://msgid.link/20240104181059.84032-1-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/mac80211/sta_info.c | 2 ++
 net/mac80211/tx.c       | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 0ba613dd1cc4..b62b21749f52 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -910,6 +910,8 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU)
 	if (ieee80211_vif_is_mesh(&sdata->vif))
 		mesh_accept_plinks_update(sdata);
 
+	ieee80211_check_fast_xmit(sta);
+
 	return 0;
  out_remove:
 	if (sta->sta.valid_links)
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index ed4fdf655343..4b2823e36a37 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -3048,7 +3048,7 @@ void ieee80211_check_fast_xmit(struct sta_info *sta)
 	    sdata->vif.type == NL80211_IFTYPE_STATION)
 		goto out;
 
-	if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
+	if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED) || !sta->uploaded)
 		goto out;
 
 	if (test_sta_flag(sta, WLAN_STA_PS_STA) ||
-- 
2.43.0

[PATCH AUTOSEL 6.7 03/23] fbdev: savage: Error out if pixclock equals zero

[Sasha Levin]

From: Fullway Wang <fullwaywang@outlook.com>

[ Upstream commit 04e5eac8f3ab2ff52fa191c187a46d4fdbc1e288 ]

The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of pixclock,
it may cause divide-by-zero error.

Although pixclock is checked in savagefb_decode_var(), but it is not
checked properly in savagefb_probe(). Fix this by checking whether
pixclock is zero in the function savagefb_check_var() before
info->var.pixclock is used as the divisor.

This is similar to CVE-2022-3061 in i740fb which was fixed by
commit 15cf0b8.

Signed-off-by: Fullway Wang <fullwaywang@outlook.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/video/fbdev/savage/savagefb_driver.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/video/fbdev/savage/savagefb_driver.c b/drivers/video/fbdev/savage/savagefb_driver.c
index dddd6afcb972..ebc9aeffdde7 100644
--- a/drivers/video/fbdev/savage/savagefb_driver.c
+++ b/drivers/video/fbdev/savage/savagefb_driver.c
@@ -869,6 +869,9 @@ static int savagefb_check_var(struct fb_var_screeninfo   *var,
 
 	DBG("savagefb_check_var");
 
+	if (!var->pixclock)
+		return -EINVAL;
+
 	var->transp.offset = 0;
 	var->transp.length = 0;
 	switch (var->bits_per_pixel) {
-- 
2.43.0

[PATCH AUTOSEL 6.7 04/23] fbdev: sis: Error out if pixclock equals zero

[Sasha Levin]

From: Fullway Wang <fullwaywang@outlook.com>

[ Upstream commit e421946be7d9bf545147bea8419ef8239cb7ca52 ]

The userspace program could pass any values to the driver through
ioctl() interface. If the driver doesn't check the value of pixclock,
it may cause divide-by-zero error.

In sisfb_check_var(), var->pixclock is used as a divisor to caculate
drate before it is checked against zero. Fix this by checking it
at the beginning.

This is similar to CVE-2022-3061 in i740fb which was fixed by
commit 15cf0b8.

Signed-off-by: Fullway Wang <fullwaywang@outlook.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/video/fbdev/sis/sis_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c
index 6ad47b6b6004..431b1a138c11 100644
--- a/drivers/video/fbdev/sis/sis_main.c
+++ b/drivers/video/fbdev/sis/sis_main.c
@@ -1475,6 +1475,8 @@ sisfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 
 	vtotal = var->upper_margin + var->lower_margin + var->vsync_len;
 
+	if (!var->pixclock)
+		return -EINVAL;
 	pixclock = var->pixclock;
 
 	if((var->vmode & FB_VMODE_MASK) == FB_VMODE_NONINTERLACED) {
-- 
2.43.0

[PATCH AUTOSEL 6.7 05/23] dpll: fix broken error path in dpll_pin_alloc(..)

[Sasha Levin]

From: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>

[ Upstream commit b6a11a7fc4d6337f7ea720b9287d1b9749c4eae0 ]

If pin type is not expected, or pin properities failed to allocate
memory, the unwind error path shall not destroy pin's xarrays, which
were not yet initialized.
Add new goto label and use it to fix broken error path.

Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/dpll/dpll_core.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/dpll/dpll_core.c b/drivers/dpll/dpll_core.c
index 3568149b9562..36f5c0eaf604 100644
--- a/drivers/dpll/dpll_core.c
+++ b/drivers/dpll/dpll_core.c
@@ -440,7 +440,7 @@ dpll_pin_alloc(u64 clock_id, u32 pin_idx, struct module *module,
 	if (WARN_ON(prop->type < DPLL_PIN_TYPE_MUX ||
 		    prop->type > DPLL_PIN_TYPE_MAX)) {
 		ret = -EINVAL;
-		goto err;
+		goto err_pin_prop;
 	}
 	pin->prop = prop;
 	refcount_set(&pin->refcount, 1);
@@ -448,11 +448,12 @@ dpll_pin_alloc(u64 clock_id, u32 pin_idx, struct module *module,
 	xa_init_flags(&pin->parent_refs, XA_FLAGS_ALLOC);
 	ret = xa_alloc(&dpll_pin_xa, &pin->id, pin, xa_limit_16b, GFP_KERNEL);
 	if (ret)
-		goto err;
+		goto err_xa_alloc;
 	return pin;
-err:
+err_xa_alloc:
 	xa_destroy(&pin->dpll_refs);
 	xa_destroy(&pin->parent_refs);
+err_pin_prop:
 	kfree(pin);
 	return ERR_PTR(ret);
 }
-- 
2.43.0

[PATCH AUTOSEL 6.7 06/23] platform/mellanox: mlxbf-tmfifo: Drop Tx network packet when Tx TmFIFO is full

[Sasha Levin]

From: Liming Sun <limings@nvidia.com>

[ Upstream commit 8cbc756b802605dee3dd40019bd75960772bacf5 ]

Starting from Linux 5.16 kernel, Tx timeout mechanism was added
in the virtio_net driver which prints the "Tx timeout" warning
message when a packet stays in Tx queue for too long. Below is an
example of the reported message:

"[494105.316739] virtio_net virtio1 tmfifo_net0: TX timeout on
queue: 0, sq: output.0, vq: 0×1, name: output.0, usecs since
last trans: 3079892256".

This issue could happen when external host driver which drains the
FIFO is restared, stopped or upgraded. To avoid such confusing
"Tx timeout" messages, this commit adds logic to drop the outstanding
Tx packet if it's not able to transmit in two seconds due to Tx FIFO
full, which can be considered as congestion or out-of-resource drop.

This commit also handles the special case that the packet is half-
transmitted into the Tx FIFO. In such case, the packet is discarded
with remaining length stored in vring->rem_padding. So paddings with
zeros can be sent out when Tx space is available to maintain the
integrity of the packet format. The padded packet will be dropped on
the receiving side.

Signed-off-by: Liming Sun <limings@nvidia.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20240111173106.96958-1-limings@nvidia.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/platform/mellanox/mlxbf-tmfifo.c | 67 ++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c
index 5c683b4eaf10..f39b7b9d2bfe 100644
--- a/drivers/platform/mellanox/mlxbf-tmfifo.c
+++ b/drivers/platform/mellanox/mlxbf-tmfifo.c
@@ -47,6 +47,9 @@
 /* Message with data needs at least two words (for header & data). */
 #define MLXBF_TMFIFO_DATA_MIN_WORDS		2
 
+/* Tx timeout in milliseconds. */
+#define TMFIFO_TX_TIMEOUT			2000
+
 /* ACPI UID for BlueField-3. */
 #define TMFIFO_BF3_UID				1
 
@@ -62,12 +65,14 @@ struct mlxbf_tmfifo;
  * @drop_desc: dummy desc for packet dropping
  * @cur_len: processed length of the current descriptor
  * @rem_len: remaining length of the pending packet
+ * @rem_padding: remaining bytes to send as paddings
  * @pkt_len: total length of the pending packet
  * @next_avail: next avail descriptor id
  * @num: vring size (number of descriptors)
  * @align: vring alignment size
  * @index: vring index
  * @vdev_id: vring virtio id (VIRTIO_ID_xxx)
+ * @tx_timeout: expire time of last tx packet
  * @fifo: pointer to the tmfifo structure
  */
 struct mlxbf_tmfifo_vring {
@@ -79,12 +84,14 @@ struct mlxbf_tmfifo_vring {
 	struct vring_desc drop_desc;
 	int cur_len;
 	int rem_len;
+	int rem_padding;
 	u32 pkt_len;
 	u16 next_avail;
 	int num;
 	int align;
 	int index;
 	int vdev_id;
+	unsigned long tx_timeout;
 	struct mlxbf_tmfifo *fifo;
 };
 
@@ -819,6 +826,50 @@ static bool mlxbf_tmfifo_rxtx_one_desc(struct mlxbf_tmfifo_vring *vring,
 	return true;
 }
 
+static void mlxbf_tmfifo_check_tx_timeout(struct mlxbf_tmfifo_vring *vring)
+{
+	unsigned long flags;
+
+	/* Only handle Tx timeout for network vdev. */
+	if (vring->vdev_id != VIRTIO_ID_NET)
+		return;
+
+	/* Initialize the timeout or return if not expired. */
+	if (!vring->tx_timeout) {
+		/* Initialize the timeout. */
+		vring->tx_timeout = jiffies +
+			msecs_to_jiffies(TMFIFO_TX_TIMEOUT);
+		return;
+	} else if (time_before(jiffies, vring->tx_timeout)) {
+		/* Return if not timeout yet. */
+		return;
+	}
+
+	/*
+	 * Drop the packet after timeout. The outstanding packet is
+	 * released and the remaining bytes will be sent with padding byte 0x00
+	 * as a recovery. On the peer(host) side, the padding bytes 0x00 will be
+	 * either dropped directly, or appended into existing outstanding packet
+	 * thus dropped as corrupted network packet.
+	 */
+	vring->rem_padding = round_up(vring->rem_len, sizeof(u64));
+	mlxbf_tmfifo_release_pkt(vring);
+	vring->cur_len = 0;
+	vring->rem_len = 0;
+	vring->fifo->vring[0] = NULL;
+
+	/*
+	 * Make sure the load/store are in order before
+	 * returning back to virtio.
+	 */
+	virtio_mb(false);
+
+	/* Notify upper layer. */
+	spin_lock_irqsave(&vring->fifo->spin_lock[0], flags);
+	vring_interrupt(0, vring->vq);
+	spin_unlock_irqrestore(&vring->fifo->spin_lock[0], flags);
+}
+
 /* Rx & Tx processing of a queue. */
 static void mlxbf_tmfifo_rxtx(struct mlxbf_tmfifo_vring *vring, bool is_rx)
 {
@@ -841,6 +892,7 @@ static void mlxbf_tmfifo_rxtx(struct mlxbf_tmfifo_vring *vring, bool is_rx)
 		return;
 
 	do {
+retry:
 		/* Get available FIFO space. */
 		if (avail == 0) {
 			if (is_rx)
@@ -851,6 +903,17 @@ static void mlxbf_tmfifo_rxtx(struct mlxbf_tmfifo_vring *vring, bool is_rx)
 				break;
 		}
 
+		/* Insert paddings for discarded Tx packet. */
+		if (!is_rx) {
+			vring->tx_timeout = 0;
+			while (vring->rem_padding >= sizeof(u64)) {
+				writeq(0, vring->fifo->tx.data);
+				vring->rem_padding -= sizeof(u64);
+				if (--avail == 0)
+					goto retry;
+			}
+		}
+
 		/* Console output always comes from the Tx buffer. */
 		if (!is_rx && devid == VIRTIO_ID_CONSOLE) {
 			mlxbf_tmfifo_console_tx(fifo, avail);
@@ -860,6 +923,10 @@ static void mlxbf_tmfifo_rxtx(struct mlxbf_tmfifo_vring *vring, bool is_rx)
 		/* Handle one descriptor. */
 		more = mlxbf_tmfifo_rxtx_one_desc(vring, is_rx, &avail);
 	} while (more);
+
+	/* Check Tx timeout. */
+	if (avail <= 0 && !is_rx)
+		mlxbf_tmfifo_check_tx_timeout(vring);
 }
 
 /* Handle Rx or Tx queues. */
-- 
2.43.0

[PATCH AUTOSEL 6.7 07/23] spi: intel-pci: Add support for Arrow Lake SPI serial flash

[Sasha Levin]

From: Mika Westerberg <mika.westerberg@linux.intel.com>

[ Upstream commit 8afe3c7fcaf72fca1e7d3dab16a5b7f4201ece17 ]

This adds the PCI ID of the Arrow Lake and Meteor Lake-S PCH SPI serial
flash controller. This one supports all the necessary commands Linux
SPI-NOR stack requires.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://msgid.link/r/20240122120034.2664812-3-mika.westerberg@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/spi/spi-intel-pci.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/spi/spi-intel-pci.c b/drivers/spi/spi-intel-pci.c
index 57d767a68e7b..f547f1297375 100644
--- a/drivers/spi/spi-intel-pci.c
+++ b/drivers/spi/spi-intel-pci.c
@@ -76,6 +76,7 @@ static const struct pci_device_id intel_spi_pci_ids[] = {
 	{ PCI_VDEVICE(INTEL, 0x7a24), (unsigned long)&cnl_info },
 	{ PCI_VDEVICE(INTEL, 0x7aa4), (unsigned long)&cnl_info },
 	{ PCI_VDEVICE(INTEL, 0x7e23), (unsigned long)&cnl_info },
+	{ PCI_VDEVICE(INTEL, 0x7f24), (unsigned long)&cnl_info },
 	{ PCI_VDEVICE(INTEL, 0x9d24), (unsigned long)&cnl_info },
 	{ PCI_VDEVICE(INTEL, 0x9da4), (unsigned long)&cnl_info },
 	{ PCI_VDEVICE(INTEL, 0xa0a4), (unsigned long)&cnl_info },
-- 
2.43.0

[PATCH AUTOSEL 6.7 08/23] x86/cpu: Add model number for Intel Clearwater Forest processor

[Sasha Levin]

From: Tony Luck <tony.luck@intel.com>

[ Upstream commit 090e3bec01763e415bccae445f5bfe3d0c61b629 ]

Server product based on the Atom Darkmont core.

Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/r/20240117191844.56180-1-tony.luck@intel.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/include/asm/intel-family.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index 197316121f04..b65e9c46b922 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -162,6 +162,8 @@
 #define INTEL_FAM6_ATOM_CRESTMONT_X	0xAF /* Sierra Forest */
 #define INTEL_FAM6_ATOM_CRESTMONT	0xB6 /* Grand Ridge */
 
+#define INTEL_FAM6_ATOM_DARKMONT_X	0xDD /* Clearwater Forest */
+
 /* Xeon Phi */
 
 #define INTEL_FAM6_XEON_PHI_KNL		0x57 /* Knights Landing */
-- 
2.43.0

[PATCH AUTOSEL 6.7 09/23] spi: hisi-sfc-v3xx: Return IRQ_NONE if no interrupts were detected

[Sasha Levin]

From: Devyn Liu <liudingyuan@huawei.com>

[ Upstream commit de8b6e1c231a95abf95ad097b993d34b31458ec9 ]

Return IRQ_NONE from the interrupt handler when no interrupt was
detected. Because an empty interrupt will cause a null pointer error:

    Unable to handle kernel NULL pointer dereference at virtual
  address 0000000000000008
    Call trace:
        complete+0x54/0x100
        hisi_sfc_v3xx_isr+0x2c/0x40 [spi_hisi_sfc_v3xx]
        __handle_irq_event_percpu+0x64/0x1e0
        handle_irq_event+0x7c/0x1cc

Signed-off-by: Devyn Liu <liudingyuan@huawei.com>
Link: https://msgid.link/r/20240123071149.917678-1-liudingyuan@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/spi/spi-hisi-sfc-v3xx.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/spi/spi-hisi-sfc-v3xx.c b/drivers/spi/spi-hisi-sfc-v3xx.c
index 9d22018f7985..1301d14483d4 100644
--- a/drivers/spi/spi-hisi-sfc-v3xx.c
+++ b/drivers/spi/spi-hisi-sfc-v3xx.c
@@ -377,6 +377,11 @@ static const struct spi_controller_mem_ops hisi_sfc_v3xx_mem_ops = {
 static irqreturn_t hisi_sfc_v3xx_isr(int irq, void *data)
 {
 	struct hisi_sfc_v3xx_host *host = data;
+	u32 reg;
+
+	reg = readl(host->regbase + HISI_SFC_V3XX_INT_STAT);
+	if (!reg)
+		return IRQ_NONE;
 
 	hisi_sfc_v3xx_disable_int(host);
 
-- 
2.43.0

[PATCH AUTOSEL 6.7 10/23] block: Fix WARNING in _copy_from_iter

[Sasha Levin]

From: "Christian A. Ehrhardt" <lk@c--e.de>

[ Upstream commit 13f3956eb5681a4045a8dfdef48df5dc4d9f58a6 ]

Syzkaller reports a warning in _copy_from_iter because an
iov_iter is supposedly used in the wrong direction. The reason
is that syzcaller managed to generate a request with
a transfer direction of SG_DXFER_TO_FROM_DEV. This instructs
the kernel to copy user buffers into the kernel, read into
the copied buffers and then copy the data back to user space.

Thus the iovec is used in both directions.

Detect this situation in the block layer and construct a new
iterator with the correct direction for the copy-in.

Reported-by: syzbot+a532b03fdfee2c137666@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/lkml/0000000000009b92c10604d7a5e9@google.com/t/
Reported-by: syzbot+63dec323ac56c28e644f@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/lkml/0000000000003faaa105f6e7c658@google.com/T/
Signed-off-by: Christian A. Ehrhardt <lk@c--e.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240121202634.275068-1-lk@c--e.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 block/blk-map.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/block/blk-map.c b/block/blk-map.c
index 8584babf3ea0..71210cdb3442 100644
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -205,12 +205,19 @@ static int bio_copy_user_iov(struct request *rq, struct rq_map_data *map_data,
 	/*
 	 * success
 	 */
-	if ((iov_iter_rw(iter) == WRITE &&
-	     (!map_data || !map_data->null_mapped)) ||
-	    (map_data && map_data->from_user)) {
+	if (iov_iter_rw(iter) == WRITE &&
+	     (!map_data || !map_data->null_mapped)) {
 		ret = bio_copy_from_iter(bio, iter);
 		if (ret)
 			goto cleanup;
+	} else if (map_data && map_data->from_user) {
+		struct iov_iter iter2 = *iter;
+
+		/* This is the copy-in part of SG_DXFER_TO_FROM_DEV. */
+		iter2.data_source = ITER_SOURCE;
+		ret = bio_copy_from_iter(bio, &iter2);
+		if (ret)
+			goto cleanup;
 	} else {
 		if (bmd->is_our_pages)
 			zero_fill_bio(bio);
-- 
2.43.0

[PATCH AUTOSEL 6.7 11/23] smb: Work around Clang __bdos() type confusion

[Sasha Levin]

From: Kees Cook <keescook@chromium.org>

[ Upstream commit 8deb05c84b63b4fdb8549e08942867a68924a5b8 ]

Recent versions of Clang gets confused about the possible size of the
"user" allocation, and CONFIG_FORTIFY_SOURCE ends up emitting a
warning[1]:

repro.c:126:4: warning: call to '__write_overflow_field' declared with 'warning' attribute: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Wattribute-warning]
  126 |                         __write_overflow_field(p_size_field, size);
      |                         ^

for this memset():

        int len;
        __le16 *user;
	...
        len = ses->user_name ? strlen(ses->user_name) : 0;
        user = kmalloc(2 + (len * 2), GFP_KERNEL);
	...
	if (len) {
		...
	} else {
		memset(user, '\0', 2);
	}

While Clang works on this bug[2], switch to using a direct assignment,
which avoids memset() entirely which both simplifies the code and silences
the false positive warning. (Making "len" size_t also silences the
warning, but the direct assignment seems better.)

Reported-by: Nathan Chancellor <nathan@kernel.org>
Closes: https://github.com/ClangBuiltLinux/linux/issues/1966 [1]
Link: https://github.com/llvm/llvm-project/issues/77813 [2]
Cc: Steve French <sfrench@samba.org>
Cc: Paulo Alcantara <pc@manguebit.com>
Cc: Ronnie Sahlberg <ronniesahlberg@gmail.com>
Cc: Shyam Prasad N <sprasad@microsoft.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: linux-cifs@vger.kernel.org
Cc: llvm@lists.linux.dev
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/smb/client/cifsencrypt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/smb/client/cifsencrypt.c b/fs/smb/client/cifsencrypt.c
index ef4c2e3c9fa6..6322f0f68a17 100644
--- a/fs/smb/client/cifsencrypt.c
+++ b/fs/smb/client/cifsencrypt.c
@@ -572,7 +572,7 @@ static int calc_ntlmv2_hash(struct cifs_ses *ses, char *ntlmv2_hash,
 		len = cifs_strtoUTF16(user, ses->user_name, len, nls_cp);
 		UniStrupr(user);
 	} else {
-		memset(user, '\0', 2);
+		*(u16 *)user = 0;
 	}
 
 	rc = crypto_shash_update(ses->server->secmech.hmacmd5,
-- 
2.43.0

[PATCH AUTOSEL 6.7 12/23] cifs: cifs_pick_channel should try selecting active channels

[Sasha Levin]

From: Shyam Prasad N <sprasad@microsoft.com>

[ Upstream commit fc43a8ac396d302ced1e991e4913827cf72c8eb9 ]

cifs_pick_channel today just selects a channel based
on the policy of least loaded channel. However, it
does not take into account if the channel needs
reconnect. As a result, we can have failures in send
that can be completely avoided.

This change doesn't make a channel a candidate for
this selection if it needs reconnect.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/smb/client/transport.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/smb/client/transport.c b/fs/smb/client/transport.c
index 4f717ad7c21b..8695c9961f5a 100644
--- a/fs/smb/client/transport.c
+++ b/fs/smb/client/transport.c
@@ -1026,6 +1026,9 @@ struct TCP_Server_Info *cifs_pick_channel(struct cifs_ses *ses)
 		if (!server || server->terminate)
 			continue;
 
+		if (CIFS_CHAN_NEEDS_RECONNECT(ses, i))
+			continue;
+
 		/*
 		 * strictly speaking, we should pick up req_lock to read
 		 * server->in_flight. But it shouldn't matter much here if we
-- 
2.43.0

[PATCH AUTOSEL 6.7 13/23] cifs: translate network errors on send to -ECONNABORTED

[Sasha Levin]

From: Shyam Prasad N <sprasad@microsoft.com>

[ Upstream commit a68106a6928e0a6680f12bcc7338c0dddcfe4d11 ]

When the network stack returns various errors, we today bubble
up the error to the user (in case of soft mounts).

This change translates all network errors except -EINTR and
-EAGAIN to -ECONNABORTED. A similar approach is taken when
we receive network errors when reading from the socket.

The change also forces the cifsd thread to reconnect during
it's next activity.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/smb/client/transport.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/fs/smb/client/transport.c b/fs/smb/client/transport.c
index 8695c9961f5a..e00278fcfa4f 100644
--- a/fs/smb/client/transport.c
+++ b/fs/smb/client/transport.c
@@ -400,10 +400,17 @@ __smb_send_rqst(struct TCP_Server_Info *server, int num_rqst,
 						  server->conn_id, server->hostname);
 	}
 smbd_done:
-	if (rc < 0 && rc != -EINTR)
+	/*
+	 * there's hardly any use for the layers above to know the
+	 * actual error code here. All they should do at this point is
+	 * to retry the connection and hope it goes away.
+	 */
+	if (rc < 0 && rc != -EINTR && rc != -EAGAIN) {
 		cifs_server_dbg(VFS, "Error %d sending data on socket to server\n",
 			 rc);
-	else if (rc > 0)
+		rc = -ECONNABORTED;
+		cifs_signal_cifsd_for_reconnect(server, false);
+	} else if (rc > 0)
 		rc = 0;
 out:
 	cifs_in_send_dec(server);
-- 
2.43.0

[PATCH AUTOSEL 6.7 14/23] cifs: helper function to check replayable error codes

[Sasha Levin]

From: Shyam Prasad N <sprasad@microsoft.com>

[ Upstream commit 64cc377b7628b81ffdbdb1c6bacfba895dcac3f8 ]

The code to check for replay is not just -EAGAIN. In some
cases, the send request or receive response may result in
network errors, which we're now mapping to -ECONNABORTED.

This change introduces a helper function which checks
if the error returned in one of the above two errors.
And all checks for replays will now use this helper.

Signed-off-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/smb/client/cached_dir.c | 1 +
 fs/smb/client/cifsglob.h   | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/fs/smb/client/cached_dir.c b/fs/smb/client/cached_dir.c
index d64a306a414b..ef96d5f7809e 100644
--- a/fs/smb/client/cached_dir.c
+++ b/fs/smb/client/cached_dir.c
@@ -367,6 +367,7 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
 		atomic_inc(&tcon->num_remote_opens);
 	}
 	kfree(utf16_path);
+
 	return rc;
 }
 
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 5e32c79f03a7..aa9b898de4c5 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -1806,6 +1806,13 @@ static inline bool is_retryable_error(int error)
 	return false;
 }
 
+static inline bool is_replayable_error(int error)
+{
+	if (error == -EAGAIN || error == -ECONNABORTED)
+		return true;
+	return false;
+}
+
 
 /* cifs_get_writable_file() flags */
 #define FIND_WR_ANY         0
-- 
2.43.0

[PATCH AUTOSEL 6.7 15/23] ahci: asm1166: correct count of reported ports

[Sasha Levin]

From: Conrad Kostecki <conikost@gentoo.org>

[ Upstream commit 0077a504e1a4468669fd2e011108db49133db56e ]

The ASM1166 SATA host controller always reports wrongly,
that it has 32 ports. But in reality, it only has six ports.

This seems to be a hardware issue, as all tested ASM1166
SATA host controllers reports such high count of ports.

Example output: ahci 0000:09:00.0: AHCI 0001.0301
32 slots 32 ports 6 Gbps 0xffffff3f impl SATA mode.

By adjusting the port_map, the count is limited to six ports.

New output: ahci 0000:09:00.0: AHCI 0001.0301
32 slots 32 ports 6 Gbps 0x3f impl SATA mode.

Closes: https://bugzilla.kernel.org/show_bug.cgi?id=211873
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218346
Signed-off-by: Conrad Kostecki <conikost@gentoo.org>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/ata/ahci.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 3a5f3255f51b..762c5d8b7c1a 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -663,6 +663,11 @@ MODULE_PARM_DESC(mobile_lpm_policy, "Default LPM policy for mobile chipsets");
 static void ahci_pci_save_initial_config(struct pci_dev *pdev,
 					 struct ahci_host_priv *hpriv)
 {
+	if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA && pdev->device == 0x1166) {
+		dev_info(&pdev->dev, "ASM1166 has only six ports\n");
+		hpriv->saved_port_map = 0x3f;
+	}
+
 	if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
 		dev_info(&pdev->dev, "JMB361 has only one port\n");
 		hpriv->saved_port_map = 1;
-- 
2.43.0

[PATCH AUTOSEL 6.7 16/23] aoe: avoid potential deadlock at set_capacity

[Sasha Levin]

From: Maksim Kiselev <bigunclemax@gmail.com>

[ Upstream commit e169bd4fb2b36c4b2bee63c35c740c85daeb2e86 ]

Move set_capacity() outside of the section procected by (&d->lock).
To avoid possible interrupt unsafe locking scenario:

        CPU0                    CPU1
        ----                    ----
[1] lock(&bdev->bd_size_lock);
                                local_irq_disable();
                            [2] lock(&d->lock);
                            [3] lock(&bdev->bd_size_lock);
   <Interrupt>
[4]  lock(&d->lock);

  *** DEADLOCK ***

Where [1](&bdev->bd_size_lock) hold by zram_add()->set_capacity().
[2]lock(&d->lock) hold by aoeblk_gdalloc(). And aoeblk_gdalloc()
is trying to acquire [3](&bdev->bd_size_lock) at set_capacity() call.
In this situation an attempt to acquire [4]lock(&d->lock) from
aoecmd_cfg_rsp() will lead to deadlock.

So the simplest solution is breaking lock dependency
[2](&d->lock) -> [3](&bdev->bd_size_lock) by moving set_capacity()
outside.

Signed-off-by: Maksim Kiselev <bigunclemax@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20240124072436.3745720-2-bigunclemax@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/block/aoe/aoeblk.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index cf6883756155..37eff1c97451 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -333,6 +333,7 @@ aoeblk_gdalloc(void *vp)
 	struct gendisk *gd;
 	mempool_t *mp;
 	struct blk_mq_tag_set *set;
+	sector_t ssize;
 	ulong flags;
 	int late = 0;
 	int err;
@@ -395,7 +396,7 @@ aoeblk_gdalloc(void *vp)
 	gd->minors = AOE_PARTITIONS;
 	gd->fops = &aoe_bdops;
 	gd->private_data = d;
-	set_capacity(gd, d->ssize);
+	ssize = d->ssize;
 	snprintf(gd->disk_name, sizeof gd->disk_name, "etherd/e%ld.%d",
 		d->aoemajor, d->aoeminor);
 
@@ -404,6 +405,8 @@ aoeblk_gdalloc(void *vp)
 
 	spin_unlock_irqrestore(&d->lock, flags);
 
+	set_capacity(gd, ssize);
+
 	err = device_add_disk(NULL, gd, aoe_attr_groups);
 	if (err)
 		goto out_disk_cleanup;
-- 
2.43.0

[PATCH AUTOSEL 6.7 17/23] spi: cs42l43: Handle error from devm_pm_runtime_enable

[Sasha Levin]

From: Charles Keepax <ckeepax@opensource.cirrus.com>

[ Upstream commit f9f4b0c6425eb9ffd9bf62b8b8143e786b6ba695 ]

As it devm_pm_runtime_enable can fail due to memory allocations, it is
best to handle the error.

Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://msgid.link/r/20240124174101.2270249-1-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/spi/spi-cs42l43.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-cs42l43.c b/drivers/spi/spi-cs42l43.c
index d239fc5a49cc..c1556b652909 100644
--- a/drivers/spi/spi-cs42l43.c
+++ b/drivers/spi/spi-cs42l43.c
@@ -244,7 +244,10 @@ static int cs42l43_spi_probe(struct platform_device *pdev)
 	priv->ctlr->use_gpio_descriptors = true;
 	priv->ctlr->auto_runtime_pm = true;
 
-	devm_pm_runtime_enable(priv->dev);
+	ret = devm_pm_runtime_enable(priv->dev);
+	if (ret)
+		return ret;
+
 	pm_runtime_idle(priv->dev);
 
 	regmap_write(priv->regmap, CS42L43_TRAN_CONFIG6, CS42L43_FIFO_SIZE - 1);
-- 
2.43.0

[PATCH AUTOSEL 6.7 18/23] exec: Distinguish in_execve from in_exec

[Sasha Levin]

From: Kees Cook <keescook@chromium.org>

[ Upstream commit 90383cc07895183c75a0db2460301c2ffd912359 ]

Just to help distinguish the fs->in_exec flag from the current->in_execve
flag, add comments in check_unsafe_exec() and copy_fs() for more
context. Also note that in_execve is only used by TOMOYO now.

Cc: Kentaro Takeda <takedakn@nttdata.co.jp>
Cc: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: linux-fsdevel@vger.kernel.org
Cc: linux-mm@kvack.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/exec.c             | 1 +
 include/linux/sched.h | 2 +-
 kernel/fork.c         | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/exec.c b/fs/exec.c
index 4aa19b24f281..3842066d5b0b 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1588,6 +1588,7 @@ static void check_unsafe_exec(struct linux_binprm *bprm)
 	}
 	rcu_read_unlock();
 
+	/* "users" and "in_exec" locked for copy_fs() */
 	if (p->fs->users > n_fs)
 		bprm->unsafe |= LSM_UNSAFE_SHARE;
 	else
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 292c31697248..de0e2752c5b2 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -917,7 +917,7 @@ struct task_struct {
 	unsigned			sched_rt_mutex:1;
 #endif
 
-	/* Bit to tell LSMs we're in execve(): */
+	/* Bit to tell TOMOYO we're in execve(): */
 	unsigned			in_execve:1;
 	unsigned			in_iowait:1;
 #ifndef TIF_RESTORE_SIGMASK
diff --git a/kernel/fork.c b/kernel/fork.c
index 10917c3e1f03..0a08837e1443 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1754,6 +1754,7 @@ static int copy_fs(unsigned long clone_flags, struct task_struct *tsk)
 	if (clone_flags & CLONE_FS) {
 		/* tsk->fs is already what we want */
 		spin_lock(&fs->lock);
+		/* "users" and "in_exec" locked for check_unsafe_exec() */
 		if (fs->in_exec) {
 			spin_unlock(&fs->lock);
 			return -EAGAIN;
-- 
2.43.0

[PATCH AUTOSEL 6.7 19/23] ahci: add 43-bit DMA address quirk for ASMedia ASM1061 controllers

[Sasha Levin]

From: Lennert Buytenhek <kernel@wantstofly.org>

[ Upstream commit 20730e9b277873deeb6637339edcba64468f3da3 ]

With one of the on-board ASM1061 AHCI controllers (1b21:0612) on an
ASUSTeK Pro WS WRX80E-SAGE SE WIFI mainboard, a controller hang was
observed that was immediately preceded by the following kernel
messages:

ahci 0000:28:00.0: Using 64-bit DMA addresses
ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00000 flags=0x0000]
ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00300 flags=0x0000]
ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00380 flags=0x0000]
ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00400 flags=0x0000]
ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00680 flags=0x0000]
ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00700 flags=0x0000]

The first message is produced by code in drivers/iommu/dma-iommu.c
which is accompanied by the following comment that seems to apply:

        /*
         * Try to use all the 32-bit PCI addresses first. The original SAC vs.
         * DAC reasoning loses relevance with PCIe, but enough hardware and
         * firmware bugs are still lurking out there that it's safest not to
         * venture into the 64-bit space until necessary.
         *
         * If your device goes wrong after seeing the notice then likely either
         * its driver is not setting DMA masks accurately, the hardware has
         * some inherent bug in handling >32-bit addresses, or not all the
         * expected address bits are wired up between the device and the IOMMU.
         */

Asking the ASM1061 on a discrete PCIe card to DMA from I/O virtual
address 0xffffffff00000000 produces the following I/O page faults:

vfio-pci 0000:07:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0021 address=0x7ff00000000 flags=0x0010]
vfio-pci 0000:07:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0021 address=0x7ff00000500 flags=0x0010]

Note that the upper 21 bits of the logged DMA address are zero.  (When
asking a different PCIe device in the same PCIe slot to DMA to the
same I/O virtual address, we do see all the upper 32 bits of the DMA
address as 1, so this is not an issue with the chipset or IOMMU
configuration on the test system.)

Also, hacking libahci to always set the upper 21 bits of all DMA
addresses to 1 produces no discernible effect on the behavior of the
ASM1061, and mkfs/mount/scrub/etc work as without this hack.

This all strongly suggests that the ASM1061 has a 43 bit DMA address
limit, and this commit therefore adds a quirk to deal with this limit.

This issue probably applies to (some of) the other supported ASMedia
parts as well, but we limit it to the PCI IDs known to refer to
ASM1061 parts, as that's the only part we know for sure to be affected
by this issue at this point.

Link: https://lore.kernel.org/linux-ide/ZaZ2PIpEId-rl6jv@wantstofly.org/
Signed-off-by: Lennert Buytenhek <kernel@wantstofly.org>
[cassel: drop date from error messages in commit log]
Signed-off-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/ata/ahci.c | 29 +++++++++++++++++++++++------
 drivers/ata/ahci.h |  1 +
 2 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 762c5d8b7c1a..d2460fa985b7 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -48,6 +48,7 @@ enum {
 enum board_ids {
 	/* board IDs by feature in alphabetical order */
 	board_ahci,
+	board_ahci_43bit_dma,
 	board_ahci_ign_iferr,
 	board_ahci_low_power,
 	board_ahci_no_debounce_delay,
@@ -128,6 +129,13 @@ static const struct ata_port_info ahci_port_info[] = {
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
+	[board_ahci_43bit_dma] = {
+		AHCI_HFLAGS	(AHCI_HFLAG_43BIT_ONLY),
+		.flags		= AHCI_FLAG_COMMON,
+		.pio_mask	= ATA_PIO4,
+		.udma_mask	= ATA_UDMA6,
+		.port_ops	= &ahci_ops,
+	},
 	[board_ahci_ign_iferr] = {
 		AHCI_HFLAGS	(AHCI_HFLAG_IGN_IRQ_IF_ERR),
 		.flags		= AHCI_FLAG_COMMON,
@@ -597,11 +605,11 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(PROMISE, 0x3f20), board_ahci },	/* PDC42819 */
 	{ PCI_VDEVICE(PROMISE, 0x3781), board_ahci },   /* FastTrak TX8660 ahci-mode */
 
-	/* Asmedia */
+	/* ASMedia */
 	{ PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci },	/* ASM1060 */
 	{ PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci },	/* ASM1060 */
-	{ PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci },	/* ASM1061 */
-	{ PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci },	/* ASM1062 */
+	{ PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci_43bit_dma },	/* ASM1061 */
+	{ PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci_43bit_dma },	/* ASM1061/1062 */
 	{ PCI_VDEVICE(ASMEDIA, 0x0621), board_ahci },   /* ASM1061R */
 	{ PCI_VDEVICE(ASMEDIA, 0x0622), board_ahci },   /* ASM1062R */
 	{ PCI_VDEVICE(ASMEDIA, 0x0624), board_ahci },   /* ASM1062+JMB575 */
@@ -954,11 +962,20 @@ static int ahci_pci_device_resume(struct device *dev)
 
 #endif /* CONFIG_PM */
 
-static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
+static int ahci_configure_dma_masks(struct pci_dev *pdev,
+				    struct ahci_host_priv *hpriv)
 {
-	const int dma_bits = using_dac ? 64 : 32;
+	int dma_bits;
 	int rc;
 
+	if (hpriv->cap & HOST_CAP_64) {
+		dma_bits = 64;
+		if (hpriv->flags & AHCI_HFLAG_43BIT_ONLY)
+			dma_bits = 43;
+	} else {
+		dma_bits = 32;
+	}
+
 	/*
 	 * If the device fixup already set the dma_mask to some non-standard
 	 * value, don't extend it here. This happens on STA2X11, for example.
@@ -1931,7 +1948,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	ahci_gtf_filter_workaround(host);
 
 	/* initialize adapter */
-	rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
+	rc = ahci_configure_dma_masks(pdev, hpriv);
 	if (rc)
 		return rc;
 
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 4bae95b06ae3..df8f8a1a3a34 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -247,6 +247,7 @@ enum {
 	AHCI_HFLAG_SUSPEND_PHYS		= BIT(26), /* handle PHYs during
 						      suspend/resume */
 	AHCI_HFLAG_NO_SXS		= BIT(28), /* SXS not supported */
+	AHCI_HFLAG_43BIT_ONLY		= BIT(29), /* 43bit DMA addr limit */
 
 	/* ap->flags bits */
 
-- 
2.43.0

Re: [PATCH AUTOSEL 6.7 19/23] ahci: add 43-bit DMA address quirk for ASMedia ASM1061 controllers

[Niklas Cassel]

Hello Sasha,

On Fri, Feb 02, 2024 at 01:39:15PM -0500, Sasha Levin wrote:
> From: Lennert Buytenhek <kernel@wantstofly.org>
> 
> [ Upstream commit 20730e9b277873deeb6637339edcba64468f3da3 ]
> 
> With one of the on-board ASM1061 AHCI controllers (1b21:0612) on an
> ASUSTeK Pro WS WRX80E-SAGE SE WIFI mainboard, a controller hang was
> observed that was immediately preceded by the following kernel
> messages:
> 
> ahci 0000:28:00.0: Using 64-bit DMA addresses
> ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00000 flags=0x0000]
> ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00300 flags=0x0000]
> ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00380 flags=0x0000]
> ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00400 flags=0x0000]
> ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00680 flags=0x0000]
> ahci 0000:28:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0035 address=0x7fffff00700 flags=0x0000]
> 
> The first message is produced by code in drivers/iommu/dma-iommu.c
> which is accompanied by the following comment that seems to apply:
> 
>         /*
>          * Try to use all the 32-bit PCI addresses first. The original SAC vs.
>          * DAC reasoning loses relevance with PCIe, but enough hardware and
>          * firmware bugs are still lurking out there that it's safest not to
>          * venture into the 64-bit space until necessary.
>          *
>          * If your device goes wrong after seeing the notice then likely either
>          * its driver is not setting DMA masks accurately, the hardware has
>          * some inherent bug in handling >32-bit addresses, or not all the
>          * expected address bits are wired up between the device and the IOMMU.
>          */
> 
> Asking the ASM1061 on a discrete PCIe card to DMA from I/O virtual
> address 0xffffffff00000000 produces the following I/O page faults:
> 
> vfio-pci 0000:07:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0021 address=0x7ff00000000 flags=0x0010]
> vfio-pci 0000:07:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0021 address=0x7ff00000500 flags=0x0010]
> 
> Note that the upper 21 bits of the logged DMA address are zero.  (When
> asking a different PCIe device in the same PCIe slot to DMA to the
> same I/O virtual address, we do see all the upper 32 bits of the DMA
> address as 1, so this is not an issue with the chipset or IOMMU
> configuration on the test system.)
> 
> Also, hacking libahci to always set the upper 21 bits of all DMA
> addresses to 1 produces no discernible effect on the behavior of the
> ASM1061, and mkfs/mount/scrub/etc work as without this hack.
> 
> This all strongly suggests that the ASM1061 has a 43 bit DMA address
> limit, and this commit therefore adds a quirk to deal with this limit.
> 
> This issue probably applies to (some of) the other supported ASMedia
> parts as well, but we limit it to the PCI IDs known to refer to
> ASM1061 parts, as that's the only part we know for sure to be affected
> by this issue at this point.
> 
> Link: https://lore.kernel.org/linux-ide/ZaZ2PIpEId-rl6jv@wantstofly.org/
> Signed-off-by: Lennert Buytenhek <kernel@wantstofly.org>
> [cassel: drop date from error messages in commit log]
> Signed-off-by: Niklas Cassel <cassel@kernel.org>
> Signed-off-by: Sasha Levin <sashal@kernel.org>
> ---

I still don't see this commit in stable/linux-6.7.y branch?

Nor in:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git

What am I missing?

($subject had this patch marked as AUTOSEL, so I would have assumed that
it should have been merged by now, since this was 20 days ago.)


This patch in $subject is needed for another follow up patch which
failed to be backported because $subject patch is not in stable/linux-6.7.y:
https://lore.kernel.org/stable/2024021945-jockey-spending-9e68@gregkh/

(The follup up patch had CC: stable tag, but the patch in $subject
unfortunately forgot to add CC: stable tag.)

Could you please help to get both:
20730e9b2778 ("ahci: add 43-bit DMA address quirk for ASMedia ASM1061 controllers")
and
51af8f255bda ("ahci: Extend ASM1061 43-bit DMA address quirk to other ASM106x parts")

backported to kernel 6.6 and 6.7.

No need to backport to older kernels, as this problem was first exposed by:
791c2b17fb40 ("iommu: Optimise PCI SAC address trick")
which started to put devices into >4GB DMA address range.


Kind regards,
Niklas

[PATCH AUTOSEL 6.7 20/23] ARM: dts: Fix TPM schema violations

[Sasha Levin]

From: Lukas Wunner <lukas@wunner.de>

[ Upstream commit 8412c47d68436b9f9a260039a4a773daa6824925 ]

Since commit 26c9d152ebf3 ("dt-bindings: tpm: Consolidate TCG TIS
bindings"), several issues are reported by "make dtbs_check" for ARM
devicetrees:

The nodename needs to be "tpm@0" rather than "tpmdev@0" and the
compatible property needs to contain the chip's name in addition to the
generic "tcg,tpm_tis-spi" or "tcg,tpm-tis-i2c":

  tpmdev@0: $nodename:0: 'tpmdev@0' does not match '^tpm(@[0-9a-f]+)?$'
        from schema $id: http://devicetree.org/schemas/tpm/tcg,tpm_tis-spi.yaml#

  tpm@2e: compatible: 'oneOf' conditional failed, one must be fixed:
        ['tcg,tpm-tis-i2c'] is too short
        from schema $id: http://devicetree.org/schemas/tpm/tcg,tpm-tis-i2c.yaml#

Fix these schema violations.

Aspeed Facebook BMCs use an Infineon SLB9670:
https://lore.kernel.org/all/ZZSmMJ%2F%2Fl972Qbxu@fedora/
https://lore.kernel.org/all/ZZT4%2Fw2eVzMhtsPx@fedora/
https://lore.kernel.org/all/ZZTS0p1hdAchIbKp@heinlein.vulture-banana.ts.net/

Aspeed Tacoma uses a Nuvoton NPCT75X per commit 39d8a73c53a2 ("ARM: dts:
aspeed: tacoma: Add TPM").

phyGATE-Tauri uses an Infineon SLB9670:
https://lore.kernel.org/all/ab45c82485fa272f74adf560cbb58ee60cc42689.camel@phytec.de/

A single schema violation remains in am335x-moxa-uc-2100-common.dtsi
because it is unknown which chip is used on the board.  The devicetree's
author has been asked for clarification but has not responded so far:
https://lore.kernel.org/all/20231220090910.GA32182@wunner.de/

Signed-off-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Patrick Williams <patrick@stwcx.xyz>
Reviewed-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Bruno Thomsen <bruno.thomsen@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts   | 4 ++--
 arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts    | 4 ++--
 arch/arm/boot/dts/aspeed/aspeed-bmc-opp-tacoma.dts           | 2 +-
 arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi | 4 ++--
 arch/arm/boot/dts/nxp/imx/imx6ull-phytec-tauri.dtsi          | 2 +-
 arch/arm/boot/dts/nxp/imx/imx7d-flex-concentrator.dts        | 2 +-
 arch/arm/boot/dts/ti/omap/am335x-moxa-uc-2100-common.dtsi    | 2 +-
 7 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts
index e899de681f47..5be0e8fd2633 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-bletchley.dts
@@ -45,8 +45,8 @@ spi1_gpio: spi1-gpio {
 		num-chipselects = <1>;
 		cs-gpios = <&gpio0 ASPEED_GPIO(Z, 0) GPIO_ACTIVE_LOW>;
 
-		tpmdev@0 {
-			compatible = "tcg,tpm_tis-spi";
+		tpm@0 {
+			compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
 			spi-max-frequency = <33000000>;
 			reg = <0>;
 		};
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts
index a677c827e758..5a8169bbda87 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400.dts
@@ -80,8 +80,8 @@ spi_gpio: spi {
 		gpio-miso = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_HIGH>;
 		num-chipselects = <1>;
 
-		tpmdev@0 {
-			compatible = "tcg,tpm_tis-spi";
+		tpm@0 {
+			compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
 			spi-max-frequency = <33000000>;
 			reg = <0>;
 		};
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-opp-tacoma.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-opp-tacoma.dts
index 3f6010ef2b86..213023bc5aec 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-opp-tacoma.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-opp-tacoma.dts
@@ -456,7 +456,7 @@ &i2c1 {
 	status = "okay";
 
 	tpm: tpm@2e {
-		compatible = "tcg,tpm-tis-i2c";
+		compatible = "nuvoton,npct75x", "tcg,tpm-tis-i2c";
 		reg = <0x2e>;
 	};
 };
diff --git a/arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi b/arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi
index 31590d3186a2..00e5887c926f 100644
--- a/arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi
+++ b/arch/arm/boot/dts/aspeed/ast2600-facebook-netbmc-common.dtsi
@@ -35,8 +35,8 @@ spi_gpio: spi {
 		gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
 		gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
 
-		tpmdev@0 {
-			compatible = "tcg,tpm_tis-spi";
+		tpm@0 {
+			compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
 			spi-max-frequency = <33000000>;
 			reg = <0>;
 		};
diff --git a/arch/arm/boot/dts/nxp/imx/imx6ull-phytec-tauri.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ull-phytec-tauri.dtsi
index 44cc4ff1d0df..d12fb44aeb14 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6ull-phytec-tauri.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6ull-phytec-tauri.dtsi
@@ -116,7 +116,7 @@ &ecspi1 {
 	tpm_tis: tpm@1 {
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_tpm>;
-		compatible = "tcg,tpm_tis-spi";
+		compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
 		reg = <1>;
 		spi-max-frequency = <20000000>;
 		interrupt-parent = <&gpio5>;
diff --git a/arch/arm/boot/dts/nxp/imx/imx7d-flex-concentrator.dts b/arch/arm/boot/dts/nxp/imx/imx7d-flex-concentrator.dts
index 3a723843d562..9984b343cdf0 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7d-flex-concentrator.dts
+++ b/arch/arm/boot/dts/nxp/imx/imx7d-flex-concentrator.dts
@@ -130,7 +130,7 @@ &ecspi4 {
 	 * TCG specification - Section 6.4.1 Clocking:
 	 * TPM shall support a SPI clock frequency range of 10-24 MHz.
 	 */
-	st33htph: tpm-tis@0 {
+	st33htph: tpm@0 {
 		compatible = "st,st33htpm-spi", "tcg,tpm_tis-spi";
 		reg = <0>;
 		spi-max-frequency = <24000000>;
diff --git a/arch/arm/boot/dts/ti/omap/am335x-moxa-uc-2100-common.dtsi b/arch/arm/boot/dts/ti/omap/am335x-moxa-uc-2100-common.dtsi
index b8730aa52ce6..a59331aa58e5 100644
--- a/arch/arm/boot/dts/ti/omap/am335x-moxa-uc-2100-common.dtsi
+++ b/arch/arm/boot/dts/ti/omap/am335x-moxa-uc-2100-common.dtsi
@@ -217,7 +217,7 @@ &spi1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&spi1_pins>;
 
-	tpm_spi_tis@0 {
+	tpm@0 {
 		compatible = "tcg,tpm_tis-spi";
 		reg = <0>;
 		spi-max-frequency = <500000>;
-- 
2.43.0

Re: [PATCH AUTOSEL 6.7 20/23] ARM: dts: Fix TPM schema violations

[Lukas Wunner]

Hi Sasha,

On Fri, Feb 02, 2024 at 01:39:16PM -0500, Sasha Levin wrote:
> [ Upstream commit 8412c47d68436b9f9a260039a4a773daa6824925 ]
> 
> Since commit 26c9d152ebf3 ("dt-bindings: tpm: Consolidate TCG TIS
> bindings"), several issues are reported by "make dtbs_check" for ARM
> devicetrees:

You've auto-selected this commit for backporting to v6.6 and v6.7
stable kernels, but it's only really needed for v6.8 to avoid
issues reported by "make dtbs_check".

So IMO this commit can be dropped from the v6.6 and v6.7 patch queues.

Thanks,

Lukas

> The nodename needs to be "tpm@0" rather than "tpmdev@0" and the
> compatible property needs to contain the chip's name in addition to the
> generic "tcg,tpm_tis-spi" or "tcg,tpm-tis-i2c":
> 
>   tpmdev@0: $nodename:0: 'tpmdev@0' does not match '^tpm(@[0-9a-f]+)?$'
>         from schema $id: http://devicetree.org/schemas/tpm/tcg,tpm_tis-spi.yaml#
> 
>   tpm@2e: compatible: 'oneOf' conditional failed, one must be fixed:
>         ['tcg,tpm-tis-i2c'] is too short
>         from schema $id: http://devicetree.org/schemas/tpm/tcg,tpm-tis-i2c.yaml#
> 
> Fix these schema violations.

[PATCH AUTOSEL 6.7 21/23] drm/amd/display: Disable ips before dc interrupt setting

[Sasha Levin]

From: Roman Li <Roman.Li@amd.com>

[ Upstream commit 8894b9283afd35b8d22ae07a0c118eb5f7d2e78b ]

[Why]
While in IPS2 an access to dcn registers is not allowed.
If interrupt results in dc call, we should disable IPS.

[How]
Safeguard register access in IPS2 by disabling idle optimization
before calling dc interrupt setting api.

Signed-off-by: Roman Li <Roman.Li@amd.com>
Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
index 51467f132c26..d595030c3359 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c
@@ -711,7 +711,7 @@ static inline int dm_irq_state(struct amdgpu_device *adev,
 {
 	bool st;
 	enum dc_irq_source irq_source;
-
+	struct dc *dc = adev->dm.dc;
 	struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc_id];
 
 	if (!acrtc) {
@@ -729,6 +729,9 @@ static inline int dm_irq_state(struct amdgpu_device *adev,
 
 	st = (state == AMDGPU_IRQ_STATE_ENABLE);
 
+	if (dc && dc->caps.ips_support && dc->idle_optimizations_allowed)
+		dc_allow_idle_optimizations(dc, false);
+
 	dc_interrupt_set(adev->dm.dc, irq_source, st);
 	return 0;
 }
-- 
2.43.0

[PATCH AUTOSEL 6.7 22/23] MIPS: reserve exception vector space ONLY ONCE

[Sasha Levin]

From: Huang Pei <huangpei@loongson.cn>

[ Upstream commit abcabb9e30a1f9a69c76776f8abffc31c377b542 ]

"cpu_probe" is called both by BP and APs, but reserving exception vector
(like 0x0-0x1000) called by "cpu_probe" need once and calling on APs is
too late since memblock is unavailable at that time.

So, reserve exception vector ONLY by BP.

Suggested-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Huang Pei <huangpei@loongson.cn>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/mips/kernel/traps.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 246c6a6b0261..5b778995d448 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2007,7 +2007,13 @@ unsigned long vi_handlers[64];
 
 void reserve_exception_space(phys_addr_t addr, unsigned long size)
 {
-	memblock_reserve(addr, size);
+	/*
+	 * reserve exception space on CPUs other than CPU0
+	 * is too late, since memblock is unavailable when APs
+	 * up
+	 */
+	if (smp_processor_id() == 0)
+		memblock_reserve(addr, size);
 }
 
 void __init *set_except_vector(int n, void *addr)
-- 
2.43.0

[PATCH AUTOSEL 6.7 23/23] platform/x86: touchscreen_dmi: Add info for the TECLAST X16 Plus tablet

[Sasha Levin]

From: Phoenix Chen <asbeltogf@gmail.com>

[ Upstream commit 1abdf288b0ef5606f76b6e191fa6df05330e3d7e ]

Add touch screen info for TECLAST X16 Plus tablet.

Signed-off-by: Phoenix Chen <asbeltogf@gmail.com>
Link: https://lore.kernel.org/r/20240126095308.5042-1-asbeltogf@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/platform/x86/touchscreen_dmi.c | 35 ++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c
index 0c6733772698..7aee5e9ff2b8 100644
--- a/drivers/platform/x86/touchscreen_dmi.c
+++ b/drivers/platform/x86/touchscreen_dmi.c
@@ -944,6 +944,32 @@ static const struct ts_dmi_data teclast_tbook11_data = {
 	.properties	= teclast_tbook11_props,
 };
 
+static const struct property_entry teclast_x16_plus_props[] = {
+	PROPERTY_ENTRY_U32("touchscreen-min-x", 8),
+	PROPERTY_ENTRY_U32("touchscreen-min-y", 14),
+	PROPERTY_ENTRY_U32("touchscreen-size-x", 1916),
+	PROPERTY_ENTRY_U32("touchscreen-size-y", 1264),
+	PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"),
+	PROPERTY_ENTRY_STRING("firmware-name", "gsl3692-teclast-x16-plus.fw"),
+	PROPERTY_ENTRY_U32("silead,max-fingers", 10),
+	PROPERTY_ENTRY_BOOL("silead,home-button"),
+	{ }
+};
+
+static const struct ts_dmi_data teclast_x16_plus_data = {
+	.embedded_fw = {
+		.name	= "silead/gsl3692-teclast-x16-plus.fw",
+		.prefix = { 0xf0, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00 },
+		.length	= 43560,
+		.sha256	= { 0x9d, 0xb0, 0x3d, 0xf1, 0x00, 0x3c, 0xb5, 0x25,
+			    0x62, 0x8a, 0xa0, 0x93, 0x4b, 0xe0, 0x4e, 0x75,
+			    0xd1, 0x27, 0xb1, 0x65, 0x3c, 0xba, 0xa5, 0x0f,
+			    0xcd, 0xb4, 0xbe, 0x00, 0xbb, 0xf6, 0x43, 0x29 },
+	},
+	.acpi_name	= "MSSL1680:00",
+	.properties	= teclast_x16_plus_props,
+};
+
 static const struct property_entry teclast_x3_plus_props[] = {
 	PROPERTY_ENTRY_U32("touchscreen-size-x", 1980),
 	PROPERTY_ENTRY_U32("touchscreen-size-y", 1500),
@@ -1612,6 +1638,15 @@ const struct dmi_system_id touchscreen_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_SKU, "E5A6_A1"),
 		},
 	},
+	{
+		/* Teclast X16 Plus */
+		.driver_data = (void *)&teclast_x16_plus_data,
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
+			DMI_MATCH(DMI_PRODUCT_SKU, "D3A5_A1"),
+		},
+	},
 	{
 		/* Teclast X3 Plus */
 		.driver_data = (void *)&teclast_x3_plus_data,
-- 
2.43.0