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-rw-r--r--drivers/accessibility/speakup/main.c2
-rw-r--r--drivers/android/binder.c4
-rw-r--r--drivers/char/random.c10
-rw-r--r--drivers/clk/clk.c173
-rw-r--r--drivers/clk/mediatek/clk-mt7988-infracfg.c2
-rw-r--r--drivers/clk/mediatek/clk-mtk.c15
-rw-r--r--drivers/comedi/drivers/vmk80xx.c35
-rw-r--r--drivers/gpio/gpio-crystalcove.c2
-rw-r--r--drivers/gpio/gpio-lpc32xx.c1
-rw-r--r--drivers/gpio/gpio-wcove.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c22
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.h22
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c65
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c72
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_process.c4
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c8
-rw-r--r--drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c4
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_bios.c13
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dp.c23
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c7
-rw-r--r--drivers/gpu/drm/panel/panel-novatek-nt36672e.c2
-rw-r--r--drivers/gpu/drm/panel/panel-visionox-rm69299.c2
-rw-r--r--drivers/gpu/drm/radeon/pptable.h10
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c8
-rw-r--r--drivers/gpu/drm/ttm/ttm_pool.c38
-rw-r--r--drivers/gpu/drm/v3d/v3d_irq.c4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_blit.c35
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_bo.c7
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_bo.h2
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.c1
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_drv.h3
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_gem.c32
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.c11
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.h4
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_prime.c15
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c44
-rw-r--r--drivers/gpu/drm/xe/display/intel_fb_bo.c8
-rw-r--r--drivers/gpu/drm/xe/xe_vm.c21
-rw-r--r--drivers/infiniband/core/cm.c11
-rw-r--r--drivers/infiniband/hw/mlx5/mad.c3
-rw-r--r--drivers/infiniband/sw/rxe/rxe.c2
-rw-r--r--drivers/interconnect/core.c8
-rw-r--r--drivers/interconnect/qcom/x1e80100.c26
-rw-r--r--drivers/iommu/amd/Kconfig2
-rw-r--r--drivers/iommu/amd/Makefile2
-rw-r--r--drivers/iommu/amd/amd_iommu.h49
-rw-r--r--drivers/iommu/amd/amd_iommu_types.h33
-rw-r--r--drivers/iommu/amd/init.c84
-rw-r--r--drivers/iommu/amd/iommu.c287
-rw-r--r--drivers/iommu/amd/pasid.c202
-rw-r--r--drivers/iommu/amd/ppr.c288
-rw-r--r--drivers/iommu/iommu-sva.c16
-rw-r--r--drivers/iommu/iommufd/Kconfig1
-rw-r--r--drivers/misc/cardreader/rtsx_pcr.c2
-rw-r--r--drivers/misc/mei/pci-me.c2
-rw-r--r--drivers/misc/mei/platform-vsc.c17
-rw-r--r--drivers/misc/mei/vsc-tp.c84
-rw-r--r--drivers/misc/mei/vsc-tp.h3
-rw-r--r--drivers/net/dsa/mt7530.c16
-rw-r--r--drivers/net/dsa/mt7530.h4
-rw-r--r--drivers/net/ethernet/intel/ice/ice_tc_lib.c15
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c7
-rw-r--r--drivers/net/ethernet/mediatek/mtk_wed.c6
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c7
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c27
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/en_main.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c2
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c4
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/main.c7
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c1
-rw-r--r--drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c61
-rw-r--r--drivers/net/ethernet/renesas/ravb_main.c68
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/common.h1
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c2
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c7
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c18
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c29
-rw-r--r--drivers/net/ethernet/ti/am65-cpsw-nuss.c18
-rw-r--r--drivers/net/tun.c18
-rw-r--r--drivers/net/usb/ax88179_178a.c4
-rw-r--r--drivers/net/usb/qmi_wwan.c1
-rw-r--r--drivers/platform/x86/amd/pmc/pmc-quirks.c9
-rw-r--r--drivers/platform/x86/amd/pmf/Makefile2
-rw-r--r--drivers/platform/x86/amd/pmf/acpi.c7
-rw-r--r--drivers/platform/x86/amd/pmf/core.c1
-rw-r--r--drivers/platform/x86/amd/pmf/pmf-quirks.c51
-rw-r--r--drivers/platform/x86/amd/pmf/pmf.h3
-rw-r--r--drivers/platform/x86/intel/speed_select_if/isst_if_common.c1
-rw-r--r--drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c4
-rw-r--r--drivers/pwm/pwm-dwc-core.c1
-rw-r--r--drivers/pwm/pwm-dwc.c88
-rw-r--r--drivers/pwm/pwm-dwc.h6
-rw-r--r--drivers/s390/cio/device.c13
-rw-r--r--drivers/s390/cio/device_fsm.c5
-rw-r--r--drivers/s390/cio/device_ops.c8
-rw-r--r--drivers/s390/cio/qdio_main.c28
-rw-r--r--drivers/s390/net/ism_drv.c37
-rw-r--r--drivers/scsi/scsi_lib.c7
-rw-r--r--drivers/thermal/thermal_debugfs.c1
-rw-r--r--drivers/thunderbolt/switch.c48
-rw-r--r--drivers/thunderbolt/tb.c10
-rw-r--r--drivers/thunderbolt/tb.h3
-rw-r--r--drivers/thunderbolt/usb4.c13
-rw-r--r--drivers/tty/serial/8250/8250_dw.c6
-rw-r--r--drivers/tty/serial/8250/8250_lpc18xx.c2
-rw-r--r--drivers/tty/serial/8250/8250_pci.c6
-rw-r--r--drivers/tty/serial/mxs-auart.c8
-rw-r--r--drivers/tty/serial/pmac_zilog.c14
-rw-r--r--drivers/tty/serial/serial_base.h4
-rw-r--r--drivers/tty/serial/serial_core.c23
-rw-r--r--drivers/tty/serial/serial_port.c34
-rw-r--r--drivers/tty/serial/stm32-usart.c13
-rw-r--r--drivers/ufs/host/ufs-qcom.c8
-rw-r--r--drivers/usb/class/cdc-wdm.c6
-rw-r--r--drivers/usb/core/port.c4
-rw-r--r--drivers/usb/dwc2/hcd_ddma.c4
-rw-r--r--drivers/usb/dwc3/ep0.c3
-rw-r--r--drivers/usb/gadget/function/f_fs.c29
-rw-r--r--drivers/usb/gadget/function/f_ncm.c4
-rw-r--r--drivers/usb/gadget/udc/fsl_udc_core.c5
-rw-r--r--drivers/usb/host/xhci-ring.c9
-rw-r--r--drivers/usb/host/xhci-trace.h12
-rw-r--r--drivers/usb/misc/onboard_usb_hub.c6
-rw-r--r--drivers/usb/serial/option.c40
-rw-r--r--drivers/usb/typec/mux/it5205.c2
-rw-r--r--drivers/usb/typec/tcpm/tcpm.c4
-rw-r--r--drivers/usb/typec/ucsi/ucsi.c6
-rw-r--r--drivers/virt/vmgenid.c2
135 files changed, 2038 insertions, 763 deletions
diff --git a/drivers/accessibility/speakup/main.c b/drivers/accessibility/speakup/main.c
index 1fbc9b921c4f..736c2eb8c0f3 100644
--- a/drivers/accessibility/speakup/main.c
+++ b/drivers/accessibility/speakup/main.c
@@ -574,7 +574,7 @@ static u_long get_word(struct vc_data *vc)
}
attr_ch = get_char(vc, (u_short *)tmp_pos, &spk_attr);
buf[cnt++] = attr_ch;
- while (tmpx < vc->vc_cols - 1) {
+ while (tmpx < vc->vc_cols - 1 && cnt < sizeof(buf) - 1) {
tmp_pos += 2;
tmpx++;
ch = get_char(vc, (u_short *)tmp_pos, &temp);
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index bad28cf42010..dd6923d37931 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -1708,8 +1708,10 @@ static size_t binder_get_object(struct binder_proc *proc,
size_t object_size = 0;
read_size = min_t(size_t, sizeof(*object), buffer->data_size - offset);
- if (offset > buffer->data_size || read_size < sizeof(*hdr))
+ if (offset > buffer->data_size || read_size < sizeof(*hdr) ||
+ !IS_ALIGNED(offset, sizeof(u32)))
return 0;
+
if (u) {
if (copy_from_user(object, u + offset, read_size))
return 0;
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 456be28ba67c..2597cb43f438 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -702,7 +702,7 @@ static void extract_entropy(void *buf, size_t len)
static void __cold _credit_init_bits(size_t bits)
{
- static struct execute_work set_ready;
+ static DECLARE_WORK(set_ready, crng_set_ready);
unsigned int new, orig, add;
unsigned long flags;
@@ -718,8 +718,8 @@ static void __cold _credit_init_bits(size_t bits)
if (orig < POOL_READY_BITS && new >= POOL_READY_BITS) {
crng_reseed(NULL); /* Sets crng_init to CRNG_READY under base_crng.lock. */
- if (static_key_initialized)
- execute_in_process_context(crng_set_ready, &set_ready);
+ if (static_key_initialized && system_unbound_wq)
+ queue_work(system_unbound_wq, &set_ready);
atomic_notifier_call_chain(&random_ready_notifier, 0, NULL);
wake_up_interruptible(&crng_init_wait);
kill_fasync(&fasync, SIGIO, POLL_IN);
@@ -890,8 +890,8 @@ void __init random_init(void)
/*
* If we were initialized by the cpu or bootloader before jump labels
- * are initialized, then we should enable the static branch here, where
- * it's guaranteed that jump labels have been initialized.
+ * or workqueues are initialized, then we should enable the static
+ * branch here, where it's guaranteed that these have been initialized.
*/
if (!static_branch_likely(&crng_is_ready) && crng_init >= CRNG_READY)
crng_set_ready(NULL);
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 25371c91a58f..8cca52be993f 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -37,6 +37,10 @@ static HLIST_HEAD(clk_root_list);
static HLIST_HEAD(clk_orphan_list);
static LIST_HEAD(clk_notifier_list);
+/* List of registered clks that use runtime PM */
+static HLIST_HEAD(clk_rpm_list);
+static DEFINE_MUTEX(clk_rpm_list_lock);
+
static const struct hlist_head *all_lists[] = {
&clk_root_list,
&clk_orphan_list,
@@ -59,6 +63,7 @@ struct clk_core {
struct clk_hw *hw;
struct module *owner;
struct device *dev;
+ struct hlist_node rpm_node;
struct device_node *of_node;
struct clk_core *parent;
struct clk_parent_map *parents;
@@ -122,6 +127,89 @@ static void clk_pm_runtime_put(struct clk_core *core)
pm_runtime_put_sync(core->dev);
}
+/**
+ * clk_pm_runtime_get_all() - Runtime "get" all clk provider devices
+ *
+ * Call clk_pm_runtime_get() on all runtime PM enabled clks in the clk tree so
+ * that disabling unused clks avoids a deadlock where a device is runtime PM
+ * resuming/suspending and the runtime PM callback is trying to grab the
+ * prepare_lock for something like clk_prepare_enable() while
+ * clk_disable_unused_subtree() holds the prepare_lock and is trying to runtime
+ * PM resume/suspend the device as well.
+ *
+ * Context: Acquires the 'clk_rpm_list_lock' and returns with the lock held on
+ * success. Otherwise the lock is released on failure.
+ *
+ * Return: 0 on success, negative errno otherwise.
+ */
+static int clk_pm_runtime_get_all(void)
+{
+ int ret;
+ struct clk_core *core, *failed;
+
+ /*
+ * Grab the list lock to prevent any new clks from being registered
+ * or unregistered until clk_pm_runtime_put_all().
+ */
+ mutex_lock(&clk_rpm_list_lock);
+
+ /*
+ * Runtime PM "get" all the devices that are needed for the clks
+ * currently registered. Do this without holding the prepare_lock, to
+ * avoid the deadlock.
+ */
+ hlist_for_each_entry(core, &clk_rpm_list, rpm_node) {
+ ret = clk_pm_runtime_get(core);
+ if (ret) {
+ failed = core;
+ pr_err("clk: Failed to runtime PM get '%s' for clk '%s'\n",
+ dev_name(failed->dev), failed->name);
+ goto err;
+ }
+ }
+
+ return 0;
+
+err:
+ hlist_for_each_entry(core, &clk_rpm_list, rpm_node) {
+ if (core == failed)
+ break;
+
+ clk_pm_runtime_put(core);
+ }
+ mutex_unlock(&clk_rpm_list_lock);
+
+ return ret;
+}
+
+/**
+ * clk_pm_runtime_put_all() - Runtime "put" all clk provider devices
+ *
+ * Put the runtime PM references taken in clk_pm_runtime_get_all() and release
+ * the 'clk_rpm_list_lock'.
+ */
+static void clk_pm_runtime_put_all(void)
+{
+ struct clk_core *core;
+
+ hlist_for_each_entry(core, &clk_rpm_list, rpm_node)
+ clk_pm_runtime_put(core);
+ mutex_unlock(&clk_rpm_list_lock);
+}
+
+static void clk_pm_runtime_init(struct clk_core *core)
+{
+ struct device *dev = core->dev;
+
+ if (dev && pm_runtime_enabled(dev)) {
+ core->rpm_enabled = true;
+
+ mutex_lock(&clk_rpm_list_lock);
+ hlist_add_head(&core->rpm_node, &clk_rpm_list);
+ mutex_unlock(&clk_rpm_list_lock);
+ }
+}
+
/*** locking ***/
static void clk_prepare_lock(void)
{
@@ -1381,9 +1469,6 @@ static void __init clk_unprepare_unused_subtree(struct clk_core *core)
if (core->flags & CLK_IGNORE_UNUSED)
return;
- if (clk_pm_runtime_get(core))
- return;
-
if (clk_core_is_prepared(core)) {
trace_clk_unprepare(core);
if (core->ops->unprepare_unused)
@@ -1392,8 +1477,6 @@ static void __init clk_unprepare_unused_subtree(struct clk_core *core)
core->ops->unprepare(core->hw);
trace_clk_unprepare_complete(core);
}
-
- clk_pm_runtime_put(core);
}
static void __init clk_disable_unused_subtree(struct clk_core *core)
@@ -1409,9 +1492,6 @@ static void __init clk_disable_unused_subtree(struct clk_core *core)
if (core->flags & CLK_OPS_PARENT_ENABLE)
clk_core_prepare_enable(core->parent);
- if (clk_pm_runtime_get(core))
- goto unprepare_out;
-
flags = clk_enable_lock();
if (core->enable_count)
@@ -1436,8 +1516,6 @@ static void __init clk_disable_unused_subtree(struct clk_core *core)
unlock_out:
clk_enable_unlock(flags);
- clk_pm_runtime_put(core);
-unprepare_out:
if (core->flags & CLK_OPS_PARENT_ENABLE)
clk_core_disable_unprepare(core->parent);
}
@@ -1453,6 +1531,7 @@ __setup("clk_ignore_unused", clk_ignore_unused_setup);
static int __init clk_disable_unused(void)
{
struct clk_core *core;
+ int ret;
if (clk_ignore_unused) {
pr_warn("clk: Not disabling unused clocks\n");
@@ -1461,6 +1540,13 @@ static int __init clk_disable_unused(void)
pr_info("clk: Disabling unused clocks\n");
+ ret = clk_pm_runtime_get_all();
+ if (ret)
+ return ret;
+ /*
+ * Grab the prepare lock to keep the clk topology stable while iterating
+ * over clks.
+ */
clk_prepare_lock();
hlist_for_each_entry(core, &clk_root_list, child_node)
@@ -1477,6 +1563,8 @@ static int __init clk_disable_unused(void)
clk_prepare_unlock();
+ clk_pm_runtime_put_all();
+
return 0;
}
late_initcall_sync(clk_disable_unused);
@@ -3252,9 +3340,7 @@ static void clk_summary_show_subtree(struct seq_file *s, struct clk_core *c,
{
struct clk_core *child;
- clk_pm_runtime_get(c);
clk_summary_show_one(s, c, level);
- clk_pm_runtime_put(c);
hlist_for_each_entry(child, &c->children, child_node)
clk_summary_show_subtree(s, child, level + 1);
@@ -3264,11 +3350,15 @@ static int clk_summary_show(struct seq_file *s, void *data)
{
struct clk_core *c;
struct hlist_head **lists = s->private;
+ int ret;
seq_puts(s, " enable prepare protect duty hardware connection\n");
seq_puts(s, " clock count count count rate accuracy phase cycle enable consumer id\n");
seq_puts(s, "---------------------------------------------------------------------------------------------------------------------------------------------\n");
+ ret = clk_pm_runtime_get_all();
+ if (ret)
+ return ret;
clk_prepare_lock();
@@ -3277,6 +3367,7 @@ static int clk_summary_show(struct seq_file *s, void *data)
clk_summary_show_subtree(s, c, 0);
clk_prepare_unlock();
+ clk_pm_runtime_put_all();
return 0;
}
@@ -3324,8 +3415,14 @@ static int clk_dump_show(struct seq_file *s, void *data)
struct clk_core *c;
bool first_node = true;
struct hlist_head **lists = s->private;
+ int ret;
+
+ ret = clk_pm_runtime_get_all();
+ if (ret)
+ return ret;
seq_putc(s, '{');
+
clk_prepare_lock();
for (; *lists; lists++) {
@@ -3338,6 +3435,7 @@ static int clk_dump_show(struct seq_file *s, void *data)
}
clk_prepare_unlock();
+ clk_pm_runtime_put_all();
seq_puts(s, "}\n");
return 0;
@@ -3981,8 +4079,6 @@ static int __clk_core_init(struct clk_core *core)
}
clk_core_reparent_orphans_nolock();
-
- kref_init(&core->ref);
out:
clk_pm_runtime_put(core);
unlock:
@@ -4211,6 +4307,22 @@ static void clk_core_free_parent_map(struct clk_core *core)
kfree(core->parents);
}
+/* Free memory allocated for a struct clk_core */
+static void __clk_release(struct kref *ref)
+{
+ struct clk_core *core = container_of(ref, struct clk_core, ref);
+
+ if (core->rpm_enabled) {
+ mutex_lock(&clk_rpm_list_lock);
+ hlist_del(&core->rpm_node);
+ mutex_unlock(&clk_rpm_list_lock);
+ }
+
+ clk_core_free_parent_map(core);
+ kfree_const(core->name);
+ kfree(core);
+}
+
static struct clk *
__clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
{
@@ -4231,6 +4343,8 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
goto fail_out;
}
+ kref_init(&core->ref);
+
core->name = kstrdup_const(init->name, GFP_KERNEL);
if (!core->name) {
ret = -ENOMEM;
@@ -4243,9 +4357,8 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
}
core->ops = init->ops;
- if (dev && pm_runtime_enabled(dev))
- core->rpm_enabled = true;
core->dev = dev;
+ clk_pm_runtime_init(core);
core->of_node = np;
if (dev && dev->driver)
core->owner = dev->driver->owner;
@@ -4285,12 +4398,10 @@ __clk_register(struct device *dev, struct device_node *np, struct clk_hw *hw)
hw->clk = NULL;
fail_create_clk:
- clk_core_free_parent_map(core);
fail_parents:
fail_ops:
- kfree_const(core->name);
fail_name:
- kfree(core);
+ kref_put(&core->ref, __clk_release);
fail_out:
return ERR_PTR(ret);
}
@@ -4370,18 +4481,6 @@ int of_clk_hw_register(struct device_node *node, struct clk_hw *hw)
}
EXPORT_SYMBOL_GPL(of_clk_hw_register);
-/* Free memory allocated for a clock. */
-static void __clk_release(struct kref *ref)
-{
- struct clk_core *core = container_of(ref, struct clk_core, ref);
-
- lockdep_assert_held(&prepare_lock);
-
- clk_core_free_parent_map(core);
- kfree_const(core->name);
- kfree(core);
-}
-
/*
* Empty clk_ops for unregistered clocks. These are used temporarily
* after clk_unregister() was called on a clock and until last clock
@@ -4472,7 +4571,8 @@ void clk_unregister(struct clk *clk)
if (ops == &clk_nodrv_ops) {
pr_err("%s: unregistered clock: %s\n", __func__,
clk->core->name);
- goto unlock;
+ clk_prepare_unlock();
+ return;
}
/*
* Assign empty clock ops for consumers that might still hold
@@ -4506,11 +4606,10 @@ void clk_unregister(struct clk *clk)
if (clk->core->protect_count)
pr_warn("%s: unregistering protected clock: %s\n",
__func__, clk->core->name);
+ clk_prepare_unlock();
kref_put(&clk->core->ref, __clk_release);
free_clk(clk);
-unlock:
- clk_prepare_unlock();
}
EXPORT_SYMBOL_GPL(clk_unregister);
@@ -4669,13 +4768,11 @@ void __clk_put(struct clk *clk)
if (clk->min_rate > 0 || clk->max_rate < ULONG_MAX)
clk_set_rate_range_nolock(clk, 0, ULONG_MAX);
- owner = clk->core->owner;
- kref_put(&clk->core->ref, __clk_release);
-
clk_prepare_unlock();
+ owner = clk->core->owner;
+ kref_put(&clk->core->ref, __clk_release);
module_put(owner);
-
free_clk(clk);
}
diff --git a/drivers/clk/mediatek/clk-mt7988-infracfg.c b/drivers/clk/mediatek/clk-mt7988-infracfg.c
index 449041f8abbc..c8c023afe3e5 100644
--- a/drivers/clk/mediatek/clk-mt7988-infracfg.c
+++ b/drivers/clk/mediatek/clk-mt7988-infracfg.c
@@ -156,7 +156,7 @@ static const struct mtk_gate infra_clks[] = {
GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P1, "infra_pcie_peri_ck_26m_ck_p1",
"csw_infra_f26m_sel", 8),
GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P2, "infra_pcie_peri_ck_26m_ck_p2",
- "csw_infra_f26m_sel", 9),
+ "infra_pcie_peri_ck_26m_ck_p3", 9),
GATE_INFRA0(CLK_INFRA_PCIE_PERI_26M_CK_P3, "infra_pcie_peri_ck_26m_ck_p3",
"csw_infra_f26m_sel", 10),
/* INFRA1 */
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index 2e55368dc4d8..bd37ab4d1a9b 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -13,6 +13,7 @@
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include "clk-mtk.h"
@@ -494,6 +495,16 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev,
return IS_ERR(base) ? PTR_ERR(base) : -ENOMEM;
}
+
+ devm_pm_runtime_enable(&pdev->dev);
+ /*
+ * Do a pm_runtime_resume_and_get() to workaround a possible
+ * deadlock between clk_register() and the genpd framework.
+ */
+ r = pm_runtime_resume_and_get(&pdev->dev);
+ if (r)
+ return r;
+
/* Calculate how many clk_hw_onecell_data entries to allocate */
num_clks = mcd->num_clks + mcd->num_composite_clks;
num_clks += mcd->num_fixed_clks + mcd->num_factor_clks;
@@ -574,6 +585,8 @@ static int __mtk_clk_simple_probe(struct platform_device *pdev,
goto unregister_clks;
}
+ pm_runtime_put(&pdev->dev);
+
return r;
unregister_clks:
@@ -604,6 +617,8 @@ free_data:
free_base:
if (mcd->shared_io && base)
iounmap(base);
+
+ pm_runtime_put(&pdev->dev);
return r;
}
diff --git a/drivers/comedi/drivers/vmk80xx.c b/drivers/comedi/drivers/vmk80xx.c
index 4536ed43f65b..84dce5184a77 100644
--- a/drivers/comedi/drivers/vmk80xx.c
+++ b/drivers/comedi/drivers/vmk80xx.c
@@ -641,33 +641,22 @@ static int vmk80xx_find_usb_endpoints(struct comedi_device *dev)
struct vmk80xx_private *devpriv = dev->private;
struct usb_interface *intf = comedi_to_usb_interface(dev);
struct usb_host_interface *iface_desc = intf->cur_altsetting;
- struct usb_endpoint_descriptor *ep_desc;
- int i;
-
- if (iface_desc->desc.bNumEndpoints != 2)
- return -ENODEV;
-
- for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
- ep_desc = &iface_desc->endpoint[i].desc;
-
- if (usb_endpoint_is_int_in(ep_desc) ||
- usb_endpoint_is_bulk_in(ep_desc)) {
- if (!devpriv->ep_rx)
- devpriv->ep_rx = ep_desc;
- continue;
- }
+ struct usb_endpoint_descriptor *ep_rx_desc, *ep_tx_desc;
+ int ret;
- if (usb_endpoint_is_int_out(ep_desc) ||
- usb_endpoint_is_bulk_out(ep_desc)) {
- if (!devpriv->ep_tx)
- devpriv->ep_tx = ep_desc;
- continue;
- }
- }
+ if (devpriv->model == VMK8061_MODEL)
+ ret = usb_find_common_endpoints(iface_desc, &ep_rx_desc,
+ &ep_tx_desc, NULL, NULL);
+ else
+ ret = usb_find_common_endpoints(iface_desc, NULL, NULL,
+ &ep_rx_desc, &ep_tx_desc);
- if (!devpriv->ep_rx || !devpriv->ep_tx)
+ if (ret)
return -ENODEV;
+ devpriv->ep_rx = ep_rx_desc;
+ devpriv->ep_tx = ep_tx_desc;
+
if (!usb_endpoint_maxp(devpriv->ep_rx) || !usb_endpoint_maxp(devpriv->ep_tx))
return -EINVAL;
diff --git a/drivers/gpio/gpio-crystalcove.c b/drivers/gpio/gpio-crystalcove.c
index 1ee62cd58582..25db014494a4 100644
--- a/drivers/gpio/gpio-crystalcove.c
+++ b/drivers/gpio/gpio-crystalcove.c
@@ -92,7 +92,7 @@ static inline int to_reg(int gpio, enum ctrl_register reg_type)
case 0x5e:
return GPIOPANELCTL;
default:
- return -EOPNOTSUPP;
+ return -ENOTSUPP;
}
}
diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
index 5ef8af824980..c097e310c9e8 100644
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -529,6 +529,7 @@ static const struct of_device_id lpc32xx_gpio_of_match[] = {
{ .compatible = "nxp,lpc3220-gpio", },
{ },
};
+MODULE_DEVICE_TABLE(of, lpc32xx_gpio_of_match);
static struct platform_driver lpc32xx_gpio_driver = {
.driver = {
diff --git a/drivers/gpio/gpio-wcove.c b/drivers/gpio/gpio-wcove.c
index c18b6b47384f..94ca9d03c094 100644
--- a/drivers/gpio/gpio-wcove.c
+++ b/drivers/gpio/gpio-wcove.c
@@ -104,7 +104,7 @@ static inline int to_reg(int gpio, enum ctrl_register type)
unsigned int reg = type == CTRL_IN ? GPIO_IN_CTRL_BASE : GPIO_OUT_CTRL_BASE;
if (gpio >= WCOVE_GPIO_NUM)
- return -EOPNOTSUPP;
+ return -ENOTSUPP;
return reg + gpio;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 0a4b09709cfb..ec888fc6ead8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -819,7 +819,7 @@ retry:
p->bytes_moved += ctx.bytes_moved;
if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
- amdgpu_bo_in_cpu_visible_vram(bo))
+ amdgpu_res_cpu_visible(adev, bo->tbo.resource))
p->bytes_moved_vis += ctx.bytes_moved;
if (unlikely(r == -ENOMEM) && domain != bo->allowed_domains) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 010b0cb7693c..2099159a693f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -617,8 +617,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
return r;
if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
- bo->tbo.resource->mem_type == TTM_PL_VRAM &&
- amdgpu_bo_in_cpu_visible_vram(bo))
+ amdgpu_res_cpu_visible(adev, bo->tbo.resource))
amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved,
ctx.bytes_moved);
else
@@ -1272,23 +1271,25 @@ void amdgpu_bo_move_notify(struct ttm_buffer_object *bo, bool evict)
void amdgpu_bo_get_memory(struct amdgpu_bo *bo,
struct amdgpu_mem_stats *stats)
{
+ struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
+ struct ttm_resource *res = bo->tbo.resource;
uint64_t size = amdgpu_bo_size(bo);
struct drm_gem_object *obj;
unsigned int domain;
bool shared;
/* Abort if the BO doesn't currently have a backing store */
- if (!bo->tbo.resource)
+ if (!res)
return;
obj = &bo->tbo.base;
shared = drm_gem_object_is_shared_for_memory_stats(obj);
- domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
+ domain = amdgpu_mem_type_to_domain(res->mem_type);
switch (domain) {
case AMDGPU_GEM_DOMAIN_VRAM:
stats->vram += size;
- if (amdgpu_bo_in_cpu_visible_vram(bo))
+ if (amdgpu_res_cpu_visible(adev, bo->tbo.resource))
stats->visible_vram += size;
if (shared)
stats->vram_shared += size;
@@ -1389,10 +1390,7 @@ vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
/* Remember that this BO was accessed by the CPU */
abo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
- if (bo->resource->mem_type != TTM_PL_VRAM)
- return 0;
-
- if (amdgpu_bo_in_cpu_visible_vram(abo))
+ if (amdgpu_res_cpu_visible(adev, bo->resource))
return 0;
/* Can't move a pinned BO to visible VRAM */
@@ -1415,7 +1413,7 @@ vm_fault_t amdgpu_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
/* this should never happen */
if (bo->resource->mem_type == TTM_PL_VRAM &&
- !amdgpu_bo_in_cpu_visible_vram(abo))
+ !amdgpu_res_cpu_visible(adev, bo->resource))
return VM_FAULT_SIGBUS;
ttm_bo_move_to_lru_tail_unlocked(bo);
@@ -1579,6 +1577,7 @@ uint32_t amdgpu_bo_get_preferred_domain(struct amdgpu_device *adev,
*/
u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m)
{
+ struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
struct dma_buf_attachment *attachment;
struct dma_buf *dma_buf;
const char *placement;
@@ -1587,10 +1586,11 @@ u64 amdgpu_bo_print_info(int id, struct amdgpu_bo *bo, struct seq_file *m)
if (dma_resv_trylock(bo->tbo.base.resv)) {
unsigned int domain;
+
domain = amdgpu_mem_type_to_domain(bo->tbo.resource->mem_type);
switch (domain) {
case AMDGPU_GEM_DOMAIN_VRAM:
- if (amdgpu_bo_in_cpu_visible_vram(bo))
+ if (amdgpu_res_cpu_visible(adev, bo->tbo.resource))
placement = "VRAM VISIBLE";
else
placement = "VRAM";
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
index be679c42b0b8..fa03d9e4874c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.h
@@ -251,28 +251,6 @@ static inline u64 amdgpu_bo_mmap_offset(struct amdgpu_bo *bo)
}
/**
- * amdgpu_bo_in_cpu_visible_vram - check if BO is (partly) in visible VRAM
- */
-static inline bool amdgpu_bo_in_cpu_visible_vram(struct amdgpu_bo *bo)
-{
- struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
- struct amdgpu_res_cursor cursor;
-
- if (!bo->tbo.resource || bo->tbo.resource->mem_type != TTM_PL_VRAM)
- return false;
-
- amdgpu_res_first(bo->tbo.resource, 0, amdgpu_bo_size(bo), &cursor);
- while (cursor.remaining) {
- if (cursor.start < adev->gmc.visible_vram_size)
- return true;
-
- amdgpu_res_next(&cursor, cursor.size);
- }
-
- return false;
-}
-
-/**
* amdgpu_bo_explicit_sync - return whether the bo is explicitly synced
*/
static inline bool amdgpu_bo_explicit_sync(struct amdgpu_bo *bo)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index fc418e670fda..1d71729e3f6b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -133,7 +133,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
} else if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
!(abo->flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED) &&
- amdgpu_bo_in_cpu_visible_vram(abo)) {
+ amdgpu_res_cpu_visible(adev, bo->resource)) {
/* Try evicting to the CPU inaccessible part of VRAM
* first, but only set GTT as busy placement, so this
@@ -403,40 +403,55 @@ error:
return r;
}
-/*
- * amdgpu_mem_visible - Check that memory can be accessed by ttm_bo_move_memcpy
+/**
+ * amdgpu_res_cpu_visible - Check that resource can be accessed by CPU
+ * @adev: amdgpu device
+ * @res: the resource to check
*
- * Called by amdgpu_bo_move()
+ * Returns: true if the full resource is CPU visible, false otherwise.
*/
-static bool amdgpu_mem_visible(struct amdgpu_device *adev,
- struct ttm_resource *mem)
+bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
+ struct ttm_resource *res)
{
- u64 mem_size = (u64)mem->size;
struct amdgpu_res_cursor cursor;
- u64 end;
- if (mem->mem_type == TTM_PL_SYSTEM ||
- mem->mem_type == TTM_PL_TT)
+ if (!res)
+ return false;
+
+ if (res->mem_type == TTM_PL_SYSTEM || res->mem_type == TTM_PL_TT ||
+ res->mem_type == AMDGPU_PL_PREEMPT)
return true;
- if (mem->mem_type != TTM_PL_VRAM)
+
+ if (res->mem_type != TTM_PL_VRAM)
return false;
- amdgpu_res_first(mem, 0, mem_size, &cursor);
- end = cursor.start + cursor.size;
+ amdgpu_res_first(res, 0, res->size, &cursor);
while (cursor.remaining) {
+ if ((cursor.start + cursor.size) >= adev->gmc.visible_vram_size)
+ return false;
amdgpu_res_next(&cursor, cursor.size);
+ }
- if (!cursor.remaining)
- break;
+ return true;
+}
- /* ttm_resource_ioremap only supports contiguous memory */
- if (end != cursor.start)
- return false;
+/*
+ * amdgpu_res_copyable - Check that memory can be accessed by ttm_bo_move_memcpy
+ *
+ * Called by amdgpu_bo_move()
+ */
+static bool amdgpu_res_copyable(struct amdgpu_device *adev,
+ struct ttm_resource *mem)
+{
+ if (!amdgpu_res_cpu_visible(adev, mem))
+ return false;
- end = cursor.start + cursor.size;
- }
+ /* ttm_resource_ioremap only supports contiguous memory */
+ if (mem->mem_type == TTM_PL_VRAM &&
+ !(mem->placement & TTM_PL_FLAG_CONTIGUOUS))
+ return false;
- return end <= adev->gmc.visible_vram_size;
+ return true;
}
/*
@@ -529,8 +544,8 @@ static int amdgpu_bo_move(struct ttm_buffer_object *bo, bool evict,
if (r) {
/* Check that all memory is CPU accessible */
- if (!amdgpu_mem_visible(adev, old_mem) ||
- !amdgpu_mem_visible(adev, new_mem)) {
+ if (!amdgpu_res_copyable(adev, old_mem) ||
+ !amdgpu_res_copyable(adev, new_mem)) {
pr_err("Move buffer fallback to memcpy unavailable\n");
return r;
}
@@ -557,7 +572,6 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev,
struct ttm_resource *mem)
{
struct amdgpu_device *adev = amdgpu_ttm_adev(bdev);
- size_t bus_size = (size_t)mem->size;
switch (mem->mem_type) {
case TTM_PL_SYSTEM:
@@ -568,9 +582,6 @@ static int amdgpu_ttm_io_mem_reserve(struct ttm_device *bdev,
break;
case TTM_PL_VRAM:
mem->bus.offset = mem->start << PAGE_SHIFT;
- /* check if it's visible */
- if ((mem->bus.offset + bus_size) > adev->gmc.visible_vram_size)
- return -EINVAL;
if (adev->mman.aper_base_kaddr &&
mem->placement & TTM_PL_FLAG_CONTIGUOUS)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
index 65ec82141a8e..32cf6b6f6efd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h
@@ -139,6 +139,9 @@ int amdgpu_vram_mgr_reserve_range(struct amdgpu_vram_mgr *mgr,
int amdgpu_vram_mgr_query_page_status(struct amdgpu_vram_mgr *mgr,
uint64_t start);
+bool amdgpu_res_cpu_visible(struct amdgpu_device *adev,
+ struct ttm_resource *res);
+
int amdgpu_ttm_init(struct amdgpu_device *adev);
void amdgpu_ttm_fini(struct amdgpu_device *adev);
void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 4299ce386322..94089069c9ad 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1613,6 +1613,37 @@ static void amdgpu_vm_bo_insert_map(struct amdgpu_device *adev,
trace_amdgpu_vm_bo_map(bo_va, mapping);
}
+/* Validate operation parameters to prevent potential abuse */
+static int amdgpu_vm_verify_parameters(struct amdgpu_device *adev,
+ struct amdgpu_bo *bo,
+ uint64_t saddr,
+ uint64_t offset,
+ uint64_t size)
+{
+ uint64_t tmp, lpfn;
+
+ if (saddr & AMDGPU_GPU_PAGE_MASK
+ || offset & AMDGPU_GPU_PAGE_MASK
+ || size & AMDGPU_GPU_PAGE_MASK)
+ return -EINVAL;
+
+ if (check_add_overflow(saddr, size, &tmp)
+ || check_add_overflow(offset, size, &tmp)
+ || size == 0 /* which also leads to end < begin */)
+ return -EINVAL;
+
+ /* make sure object fit at this offset */
+ if (bo && offset + size > amdgpu_bo_size(bo))
+ return -EINVAL;
+
+ /* Ensure last pfn not exceed max_pfn */
+ lpfn = (saddr + size - 1) >> AMDGPU_GPU_PAGE_SHIFT;
+ if (lpfn >= adev->vm_manager.max_pfn)
+ return -EINVAL;
+
+ return 0;
+}
+
/**
* amdgpu_vm_bo_map - map bo inside a vm
*
@@ -1639,21 +1670,14 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
struct amdgpu_bo *bo = bo_va->base.bo;
struct amdgpu_vm *vm = bo_va->base.vm;
uint64_t eaddr;
+ int r;
- /* validate the parameters */
- if (saddr & ~PAGE_MASK || offset & ~PAGE_MASK || size & ~PAGE_MASK)
- return -EINVAL;
- if (saddr + size <= saddr || offset + size <= offset)
- return -EINVAL;
-
- /* make sure object fit at this offset */
- eaddr = saddr + size - 1;
- if ((bo && offset + size > amdgpu_bo_size(bo)) ||
- (eaddr >= adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT))
- return -EINVAL;
+ r = amdgpu_vm_verify_parameters(adev, bo, saddr, offset, size);
+ if (r)
+ return r;
saddr /= AMDGPU_GPU_PAGE_SIZE;
- eaddr /= AMDGPU_GPU_PAGE_SIZE;
+ eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
tmp = amdgpu_vm_it_iter_first(&vm->va, saddr, eaddr);
if (tmp) {
@@ -1706,17 +1730,9 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
uint64_t eaddr;
int r;
- /* validate the parameters */
- if (saddr & ~PAGE_MASK || offset & ~PAGE_MASK || size & ~PAGE_MASK)
- return -EINVAL;
- if (saddr + size <= saddr || offset + size <= offset)
- return -EINVAL;
-
- /* make sure object fit at this offset */
- eaddr = saddr + size - 1;
- if ((bo && offset + size > amdgpu_bo_size(bo)) ||
- (eaddr >= adev->vm_manager.max_pfn << AMDGPU_GPU_PAGE_SHIFT))
- return -EINVAL;
+ r = amdgpu_vm_verify_parameters(adev, bo, saddr, offset, size);
+ if (r)
+ return r;
/* Allocate all the needed memory */
mapping = kmalloc(sizeof(*mapping), GFP_KERNEL);
@@ -1730,7 +1746,7 @@ int amdgpu_vm_bo_replace_map(struct amdgpu_device *adev,
}
saddr /= AMDGPU_GPU_PAGE_SIZE;
- eaddr /= AMDGPU_GPU_PAGE_SIZE;
+ eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
mapping->start = saddr;
mapping->last = eaddr;
@@ -1817,10 +1833,14 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
struct amdgpu_bo_va_mapping *before, *after, *tmp, *next;
LIST_HEAD(removed);
uint64_t eaddr;
+ int r;
+
+ r = amdgpu_vm_verify_parameters(adev, NULL, saddr, 0, size);
+ if (r)
+ return r;
- eaddr = saddr + size - 1;
saddr /= AMDGPU_GPU_PAGE_SIZE;
- eaddr /= AMDGPU_GPU_PAGE_SIZE;
+ eaddr = saddr + (size - 1) / AMDGPU_GPU_PAGE_SIZE;
/* Allocate all the needed memory */
before = kzalloc(sizeof(*before), GFP_KERNEL);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process.c b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
index 717a60d7a4ea..b79986412cd8 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_process.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_process.c
@@ -819,9 +819,9 @@ struct kfd_process *kfd_create_process(struct task_struct *thread)
mutex_lock(&kfd_processes_mutex);
if (kfd_is_locked()) {
- mutex_unlock(&kfd_processes_mutex);
pr_debug("KFD is locked! Cannot create process");
- return ERR_PTR(-EINVAL);
+ process = ERR_PTR(-EINVAL);
+ goto out;
}
/* A prior open of /dev/kfd could have already created the process. */
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c
index e224a028d68a..8a0460e86309 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_dio_link_encoder.c
@@ -248,14 +248,12 @@ void dcn32_link_encoder_construct(
enc10->base.hpd_source = init_data->hpd_source;
enc10->base.connector = init_data->connector;
- enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
-
- enc10->base.features = *enc_features;
if (enc10->base.connector.id == CONNECTOR_ID_USBC)
enc10->base.features.flags.bits.DP_IS_USB_C = 1;
- if (enc10->base.connector.id == CONNECTOR_ID_USBC)
- enc10->base.features.flags.bits.DP_IS_USB_C = 1;
+ enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
+
+ enc10->base.features = *enc_features;
enc10->base.transmitter = init_data->transmitter;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c
index 81e349d5835b..da94e5309fba 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_dio_link_encoder.c
@@ -184,6 +184,8 @@ void dcn35_link_encoder_construct(
enc10->base.hpd_source = init_data->hpd_source;
enc10->base.connector = init_data->connector;
+ if (enc10->base.connector.id == CONNECTOR_ID_USBC)
+ enc10->base.features.flags.bits.DP_IS_USB_C = 1;
enc10->base.preferred_engine = ENGINE_ID_UNKNOWN;
@@ -238,8 +240,6 @@ void dcn35_link_encoder_construct(
}
enc10->base.features.flags.bits.HDMI_6GB_EN = 1;
- if (enc10->base.connector.id == CONNECTOR_ID_USBC)
- enc10->base.features.flags.bits.DP_IS_USB_C = 1;
if (bp_funcs->get_connector_speed_cap_info)
result = bp_funcs->get_connector_speed_cap_info(enc10->base.ctx->dc_bios,
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 479effcf607e..79cfab53f80e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -23,6 +23,7 @@
*/
#include "nouveau_drv.h"
+#include "nouveau_bios.h"
#include "nouveau_reg.h"
#include "dispnv04/hw.h"
#include "nouveau_encoder.h"
@@ -1677,7 +1678,7 @@ apply_dcb_encoder_quirks(struct drm_device *dev, int idx, u32 *conn, u32 *conf)
*/
if (nv_match_device(dev, 0x0201, 0x1462, 0x8851)) {
if (*conn == 0xf2005014 && *conf == 0xffffffff) {
- fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 1, 1, 1);
+ fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 1, 1, DCB_OUTPUT_B);
return false;
}
}
@@ -1763,26 +1764,26 @@ fabricate_dcb_encoder_table(struct drm_device *dev, struct nvbios *bios)
#ifdef __powerpc__
/* Apple iMac G4 NV17 */
if (of_machine_is_compatible("PowerMac4,5")) {
- fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 0, all_heads, 1);
- fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, 1, all_heads, 2);
+ fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS, 0, all_heads, DCB_OUTPUT_B);
+ fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG, 1, all_heads, DCB_OUTPUT_C);
return;
}
#endif
/* Make up some sane defaults */
fabricate_dcb_output(dcb, DCB_OUTPUT_ANALOG,
- bios->legacy.i2c_indices.crt, 1, 1);
+ bios->legacy.i2c_indices.crt, 1, DCB_OUTPUT_B);
if (nv04_tv_identify(dev, bios->legacy.i2c_indices.tv) >= 0)
fabricate_dcb_output(dcb, DCB_OUTPUT_TV,
bios->legacy.i2c_indices.tv,
- all_heads, 0);
+ all_heads, DCB_OUTPUT_A);
else if (bios->tmds.output0_script_ptr ||
bios->tmds.output1_script_ptr)
fabricate_dcb_output(dcb, DCB_OUTPUT_TMDS,
bios->legacy.i2c_indices.panel,
- all_heads, 1);
+ all_heads, DCB_OUTPUT_B);
}
static int
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
index 7de7707ec6a8..a72c45809484 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
@@ -225,12 +225,18 @@ nouveau_dp_detect(struct nouveau_connector *nv_connector,
u8 *dpcd = nv_encoder->dp.dpcd;
int ret = NOUVEAU_DP_NONE, hpd;
- /* If we've already read the DPCD on an eDP device, we don't need to
- * reread it as it won't change
+ /* eDP ports don't support hotplugging - so there's no point in probing eDP ports unless we
+ * haven't probed them once before.
*/
- if (connector->connector_type == DRM_MODE_CONNECTOR_eDP &&
- dpcd[DP_DPCD_REV] != 0)
- return NOUVEAU_DP_SST;
+ if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
+ if (connector->status == connector_status_connected)
+ return NOUVEAU_DP_SST;
+ else if (connector->status == connector_status_disconnected)
+ return NOUVEAU_DP_NONE;
+ }
+
+ // Ensure that the aux bus is enabled for probing
+ drm_dp_dpcd_set_powered(&nv_connector->aux, true);
mutex_lock(&nv_encoder->dp.hpd_irq_lock);
if (mstm) {
@@ -293,6 +299,13 @@ out:
if (mstm && !mstm->suspended && ret != NOUVEAU_DP_MST)
nv50_mstm_remove(mstm);
+ /* GSP doesn't like when we try to do aux transactions on a port it considers disconnected,
+ * and since we don't really have a usecase for that anyway - just disable the aux bus here
+ * if we've decided the connector is disconnected
+ */
+ if (ret == NOUVEAU_DP_NONE)
+ drm_dp_dpcd_set_powered(&nv_connector->aux, false);
+
mutex_unlock(&nv_encoder->dp.hpd_irq_lock);
return ret;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
index a7f3fc342d87..dd5b5a17ece0 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv50.c
@@ -222,8 +222,11 @@ nv50_instobj_acquire(struct nvkm_memory *memory)
void __iomem *map = NULL;
/* Already mapped? */
- if (refcount_inc_not_zero(&iobj->maps))
+ if (refcount_inc_not_zero(&iobj->maps)) {
+ /* read barrier match the wmb on refcount set */
+ smp_rmb();
return iobj->map;
+ }
/* Take the lock, and re-check that another thread hasn't
* already mapped the object in the meantime.
@@ -250,6 +253,8 @@ nv50_instobj_acquire(struct nvkm_memory *memory)
iobj->base.memory.ptrs = &nv50_instobj_fast;
else
iobj->base.memory.ptrs = &nv50_instobj_slow;
+ /* barrier to ensure the ptrs are written before refcount is set */
+ smp_wmb();
refcount_set(&iobj->maps, 1);
}
diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
index cb7406d74466..c39fe0fc5d69 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt36672e.c
@@ -614,8 +614,6 @@ static void nt36672e_panel_remove(struct mipi_dsi_device *dsi)
struct nt36672e_panel *ctx = mipi_dsi_get_drvdata(dsi);
mipi_dsi_detach(ctx->dsi);
- mipi_dsi_device_unregister(ctx->dsi);
-
drm_panel_remove(&ctx->panel);
}
diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
index 775144695283..b15ca56a09a7 100644
--- a/drivers/gpu/drm/panel/panel-visionox-rm69299.c
+++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
@@ -253,8 +253,6 @@ static void visionox_rm69299_remove(struct mipi_dsi_device *dsi)
struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
mipi_dsi_detach(ctx->dsi);
- mipi_dsi_device_unregister(ctx->dsi);
-
drm_panel_remove(&ctx->panel);
}
diff --git a/drivers/gpu/drm/radeon/pptable.h b/drivers/gpu/drm/radeon/pptable.h
index 94947229888b..b7f22597ee95 100644
--- a/drivers/gpu/drm/radeon/pptable.h
+++ b/drivers/gpu/drm/radeon/pptable.h
@@ -424,7 +424,7 @@ typedef struct _ATOM_PPLIB_SUMO_CLOCK_INFO{
typedef struct _ATOM_PPLIB_STATE_V2
{
//number of valid dpm levels in this state; Driver uses it to calculate the whole
- //size of the state: sizeof(ATOM_PPLIB_STATE_V2) + (ucNumDPMLevels - 1) * sizeof(UCHAR)
+ //size of the state: struct_size(ATOM_PPLIB_STATE_V2, clockInfoIndex, ucNumDPMLevels)
UCHAR ucNumDPMLevels;
//a index to the array of nonClockInfos
@@ -432,14 +432,14 @@ typedef struct _ATOM_PPLIB_STATE_V2
/**
* Driver will read the first ucNumDPMLevels in this array
*/
- UCHAR clockInfoIndex[1];
+ UCHAR clockInfoIndex[] __counted_by(ucNumDPMLevels);
} ATOM_PPLIB_STATE_V2;
typedef struct _StateArray{
//how many states we have
UCHAR ucNumEntries;
- ATOM_PPLIB_STATE_V2 states[1];
+ ATOM_PPLIB_STATE_V2 states[] __counted_by(ucNumEntries);
}StateArray;
@@ -450,7 +450,7 @@ typedef struct _ClockInfoArray{
//sizeof(ATOM_PPLIB_CLOCK_INFO)
UCHAR ucEntrySize;
- UCHAR clockInfo[1];
+ UCHAR clockInfo[] __counted_by(ucNumEntries);
}ClockInfoArray;
typedef struct _NonClockInfoArray{
@@ -460,7 +460,7 @@ typedef struct _NonClockInfoArray{
//sizeof(ATOM_PPLIB_NONCLOCK_INFO)
UCHAR ucEntrySize;
- ATOM_PPLIB_NONCLOCK_INFO nonClockInfo[1];
+ ATOM_PPLIB_NONCLOCK_INFO nonClockInfo[] __counted_by(ucNumEntries);
}NonClockInfoArray;
typedef struct _ATOM_PPLIB_Clock_Voltage_Dependency_Record
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index bb1f0a3371ab..10793a433bf5 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -923,8 +923,12 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
max_device = ATOM_MAX_SUPPORTED_DEVICE_INFO;
for (i = 0; i < max_device; i++) {
- ATOM_CONNECTOR_INFO_I2C ci =
- supported_devices->info.asConnInfo[i];
+ ATOM_CONNECTOR_INFO_I2C ci;
+
+ if (frev > 1)
+ ci = supported_devices->info_2d1.asConnInfo[i];
+ else
+ ci = supported_devices->info.asConnInfo[i];
bios_connectors[i].valid = false;
diff --git a/drivers/gpu/drm/ttm/ttm_pool.c b/drivers/gpu/drm/ttm/ttm_pool.c
index 112438d965ff..6e1fd6985ffc 100644
--- a/drivers/gpu/drm/ttm/ttm_pool.c
+++ b/drivers/gpu/drm/ttm/ttm_pool.c
@@ -288,17 +288,23 @@ static struct ttm_pool_type *ttm_pool_select_type(struct ttm_pool *pool,
enum ttm_caching caching,
unsigned int order)
{
- if (pool->use_dma_alloc || pool->nid != NUMA_NO_NODE)
+ if (pool->use_dma_alloc)
return &pool->caching[caching].orders[order];
#ifdef CONFIG_X86
switch (caching) {
case ttm_write_combined:
+ if (pool->nid != NUMA_NO_NODE)
+ return &pool->caching[caching].orders[order];
+
if (pool->use_dma32)
return &global_dma32_write_combined[order];
return &global_write_combined[order];
case ttm_uncached:
+ if (pool->nid != NUMA_NO_NODE)
+ return &pool->caching[caching].orders[order];
+
if (pool->use_dma32)
return &global_dma32_uncached[order];
@@ -566,11 +572,17 @@ void ttm_pool_init(struct ttm_pool *pool, struct device *dev,
pool->use_dma_alloc = use_dma_alloc;
pool->use_dma32 = use_dma32;
- if (use_dma_alloc || nid != NUMA_NO_NODE) {
- for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
- for (j = 0; j < NR_PAGE_ORDERS; ++j)
- ttm_pool_type_init(&pool->caching[i].orders[j],
- pool, i, j);
+ for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i) {
+ for (j = 0; j < NR_PAGE_ORDERS; ++j) {
+ struct ttm_pool_type *pt;
+
+ /* Initialize only pool types which are actually used */
+ pt = ttm_pool_select_type(pool, i, j);
+ if (pt != &pool->caching[i].orders[j])
+ continue;
+
+ ttm_pool_type_init(pt, pool, i, j);
+ }
}
}
EXPORT_SYMBOL(ttm_pool_init);
@@ -599,10 +611,16 @@ void ttm_pool_fini(struct ttm_pool *pool)
{
unsigned int i, j;
- if (pool->use_dma_alloc || pool->nid != NUMA_NO_NODE) {
- for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i)
- for (j = 0; j < NR_PAGE_ORDERS; ++j)
- ttm_pool_type_fini(&pool->caching[i].orders[j]);
+ for (i = 0; i < TTM_NUM_CACHING_TYPES; ++i) {
+ for (j = 0; j < NR_PAGE_ORDERS; ++j) {
+ struct ttm_pool_type *pt;
+
+ pt = ttm_pool_select_type(pool, i, j);
+ if (pt != &pool->caching[i].orders[j])
+ continue;
+
+ ttm_pool_type_fini(pt);
+ }
}
/* We removed the pool types from the LRU, but we need to also make sure
diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c
index 2e04f6cb661e..ce6b2fb341d1 100644
--- a/drivers/gpu/drm/v3d/v3d_irq.c
+++ b/drivers/gpu/drm/v3d/v3d_irq.c
@@ -105,7 +105,6 @@ v3d_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->bin_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_BIN];
- file->enabled_ns[V3D_BIN] += local_clock() - file->start_ns[V3D_BIN];
file->jobs_sent[V3D_BIN]++;
v3d->queue[V3D_BIN].jobs_sent++;
@@ -126,7 +125,6 @@ v3d_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->render_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_RENDER];
- file->enabled_ns[V3D_RENDER] += local_clock() - file->start_ns[V3D_RENDER];
file->jobs_sent[V3D_RENDER]++;
v3d->queue[V3D_RENDER].jobs_sent++;
@@ -147,7 +145,6 @@ v3d_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->csd_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_CSD];
- file->enabled_ns[V3D_CSD] += local_clock() - file->start_ns[V3D_CSD];
file->jobs_sent[V3D_CSD]++;
v3d->queue[V3D_CSD].jobs_sent++;
@@ -195,7 +192,6 @@ v3d_hub_irq(int irq, void *arg)
struct v3d_file_priv *file = v3d->tfu_job->base.file->driver_priv;
u64 runtime = local_clock() - file->start_ns[V3D_TFU];
- file->enabled_ns[V3D_TFU] += local_clock() - file->start_ns[V3D_TFU];
file->jobs_sent[V3D_TFU]++;
v3d->queue[V3D_TFU].jobs_sent++;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
index c52c7bf1485b..717d624e9a05 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_blit.c
@@ -456,8 +456,10 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
.no_wait_gpu = false
};
u32 j, initial_line = dst_offset / dst_stride;
- struct vmw_bo_blit_line_data d;
+ struct vmw_bo_blit_line_data d = {0};
int ret = 0;
+ struct page **dst_pages = NULL;
+ struct page **src_pages = NULL;
/* Buffer objects need to be either pinned or reserved: */
if (!(dst->pin_count))
@@ -477,12 +479,35 @@ int vmw_bo_cpu_blit(struct ttm_buffer_object *dst,
return ret;
}
+ if (!src->ttm->pages && src->ttm->sg) {
+ src_pages = kvmalloc_array(src->ttm->num_pages,
+ sizeof(struct page *), GFP_KERNEL);
+ if (!src_pages)
+ return -ENOMEM;
+ ret = drm_prime_sg_to_page_array(src->ttm->sg, src_pages,
+ src->ttm->num_pages);
+ if (ret)
+ goto out;
+ }
+ if (!dst->ttm->pages && dst->ttm->sg) {
+ dst_pages = kvmalloc_array(dst->ttm->num_pages,
+ sizeof(struct page *), GFP_KERNEL);
+ if (!dst_pages) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ ret = drm_prime_sg_to_page_array(dst->ttm->sg, dst_pages,
+ dst->ttm->num_pages);
+ if (ret)
+ goto out;
+ }
+
d.mapped_dst = 0;
d.mapped_src = 0;
d.dst_addr = NULL;
d.src_addr = NULL;
- d.dst_pages = dst->ttm->pages;
- d.src_pages = src->ttm->pages;
+ d.dst_pages = dst->ttm->pages ? dst->ttm->pages : dst_pages;
+ d.src_pages = src->ttm->pages ? src->ttm->pages : src_pages;
d.dst_num_pages = PFN_UP(dst->resource->size);
d.src_num_pages = PFN_UP(src->resource->size);
d.dst_prot = ttm_io_prot(dst, dst->resource, PAGE_KERNEL);
@@ -504,6 +529,10 @@ out:
kunmap_atomic(d.src_addr);
if (d.dst_addr)
kunmap_atomic(d.dst_addr);
+ if (src_pages)
+ kvfree(src_pages);
+ if (dst_pages)
+ kvfree(dst_pages);
return ret;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index bfd41ce3c8f4..e5eb21a471a6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -377,7 +377,8 @@ static int vmw_bo_init(struct vmw_private *dev_priv,
{
struct ttm_operation_ctx ctx = {
.interruptible = params->bo_type != ttm_bo_type_kernel,
- .no_wait_gpu = false
+ .no_wait_gpu = false,
+ .resv = params->resv,
};
struct ttm_device *bdev = &dev_priv->bdev;
struct drm_device *vdev = &dev_priv->drm;
@@ -394,8 +395,8 @@ static int vmw_bo_init(struct vmw_private *dev_priv,
vmw_bo_placement_set(vmw_bo, params->domain, params->busy_domain);
ret = ttm_bo_init_reserved(bdev, &vmw_bo->tbo, params->bo_type,
- &vmw_bo->placement, 0, &ctx, NULL,
- NULL, destroy);
+ &vmw_bo->placement, 0, &ctx,
+ params->sg, params->resv, destroy);
if (unlikely(ret))
return ret;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h
index 0d496dc9c6af..f349642e6190 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h
@@ -55,6 +55,8 @@ struct vmw_bo_params {
enum ttm_bo_type bo_type;
size_t size;
bool pin;
+ struct dma_resv *resv;
+ struct sg_table *sg;
};
/**
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 0a304706e013..58fb40c93100 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1628,6 +1628,7 @@ static const struct drm_driver driver = {
.prime_fd_to_handle = vmw_prime_fd_to_handle,
.prime_handle_to_fd = vmw_prime_handle_to_fd,
+ .gem_prime_import_sg_table = vmw_prime_import_sg_table,
.fops = &vmwgfx_driver_fops,
.name = VMWGFX_DRIVER_NAME,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 12efecc17df6..b019a1a1787a 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -1130,6 +1130,9 @@ extern int vmw_prime_handle_to_fd(struct drm_device *dev,
struct drm_file *file_priv,
uint32_t handle, uint32_t flags,
int *prime_fd);
+struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev,
+ struct dma_buf_attachment *attach,
+ struct sg_table *table);
/*
* MemoryOBject management - vmwgfx_mob.c
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
index 12787bb9c111..d6bcaf078b1f 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c
@@ -149,6 +149,38 @@ out_no_bo:
return ret;
}
+struct drm_gem_object *vmw_prime_import_sg_table(struct drm_device *dev,
+ struct dma_buf_attachment *attach,
+ struct sg_table *table)
+{
+ int ret;
+ struct vmw_private *dev_priv = vmw_priv(dev);
+ struct drm_gem_object *gem = NULL;
+ struct vmw_bo *vbo;
+ struct vmw_bo_params params = {
+ .domain = (dev_priv->has_mob) ? VMW_BO_DOMAIN_SYS : VMW_BO_DOMAIN_VRAM,
+ .busy_domain = VMW_BO_DOMAIN_SYS,
+ .bo_type = ttm_bo_type_sg,
+ .size = attach->dmabuf->size,
+ .pin = false,
+ .resv = attach->dmabuf->resv,
+ .sg = table,
+
+ };
+
+ dma_resv_lock(params.resv, NULL);
+
+ ret = vmw_bo_create(dev_priv, &params, &vbo);
+ if (ret != 0)
+ goto out_no_bo;
+
+ vbo->tbo.base.funcs = &vmw_gem_object_funcs;
+
+ gem = &vbo->tbo.base;
+out_no_bo:
+ dma_resv_unlock(params.resv);
+ return gem;
+}
int vmw_gem_object_create_ioctl(struct drm_device *dev, void *data,
struct drm_file *filp)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index cd4925346ed4..84ae4e10a2eb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -933,6 +933,7 @@ int vmw_du_cursor_plane_atomic_check(struct drm_plane *plane,
int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
struct drm_atomic_state *state)
{
+ struct vmw_private *vmw = vmw_priv(crtc->dev);
struct drm_crtc_state *new_state = drm_atomic_get_new_crtc_state(state,
crtc);
struct vmw_display_unit *du = vmw_crtc_to_du(new_state->crtc);
@@ -940,9 +941,13 @@ int vmw_du_crtc_atomic_check(struct drm_crtc *crtc,
bool has_primary = new_state->plane_mask &
drm_plane_mask(crtc->primary);
- /* We always want to have an active plane with an active CRTC */
- if (has_primary != new_state->enable)
- return -EINVAL;
+ /*
+ * This is fine in general, but broken userspace might expect
+ * some actual rendering so give a clue as why it's blank.
+ */
+ if (new_state->enable && !has_primary)
+ drm_dbg_driver(&vmw->drm,
+ "CRTC without a primary plane will be blank.\n");
if (new_state->connector_mask != connector_mask &&
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index a94947b588e8..19a843da87b7 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -243,10 +243,10 @@ struct vmw_framebuffer_bo {
static const uint32_t __maybe_unused vmw_primary_plane_formats[] = {
- DRM_FORMAT_XRGB1555,
- DRM_FORMAT_RGB565,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_ARGB8888,
+ DRM_FORMAT_RGB565,
+ DRM_FORMAT_XRGB1555,
};
static const uint32_t __maybe_unused vmw_cursor_plane_formats[] = {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
index 2d72a5ee7c0c..c99cad444991 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c
@@ -75,8 +75,12 @@ int vmw_prime_fd_to_handle(struct drm_device *dev,
int fd, u32 *handle)
{
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+ int ret = ttm_prime_fd_to_handle(tfile, fd, handle);
- return ttm_prime_fd_to_handle(tfile, fd, handle);
+ if (ret)
+ ret = drm_gem_prime_fd_to_handle(dev, file_priv, fd, handle);
+
+ return ret;
}
int vmw_prime_handle_to_fd(struct drm_device *dev,
@@ -85,5 +89,12 @@ int vmw_prime_handle_to_fd(struct drm_device *dev,
int *prime_fd)
{
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
- return ttm_prime_handle_to_fd(tfile, handle, flags, prime_fd);
+ int ret;
+
+ if (handle > VMWGFX_NUM_MOB)
+ ret = ttm_prime_handle_to_fd(tfile, handle, flags, prime_fd);
+ else
+ ret = drm_gem_prime_handle_to_fd(dev, file_priv, handle, flags, prime_fd);
+
+ return ret;
}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index 4d23d0a70bcb..621d98b376bb 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -188,13 +188,18 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt)
switch (dev_priv->map_mode) {
case vmw_dma_map_bind:
case vmw_dma_map_populate:
- vsgt->sgt = &vmw_tt->sgt;
- ret = sg_alloc_table_from_pages_segment(
- &vmw_tt->sgt, vsgt->pages, vsgt->num_pages, 0,
- (unsigned long)vsgt->num_pages << PAGE_SHIFT,
- dma_get_max_seg_size(dev_priv->drm.dev), GFP_KERNEL);
- if (ret)
- goto out_sg_alloc_fail;
+ if (vmw_tt->dma_ttm.page_flags & TTM_TT_FLAG_EXTERNAL) {
+ vsgt->sgt = vmw_tt->dma_ttm.sg;
+ } else {
+ vsgt->sgt = &vmw_tt->sgt;
+ ret = sg_alloc_table_from_pages_segment(&vmw_tt->sgt,
+ vsgt->pages, vsgt->num_pages, 0,
+ (unsigned long)vsgt->num_pages << PAGE_SHIFT,
+ dma_get_max_seg_size(dev_priv->drm.dev),
+ GFP_KERNEL);
+ if (ret)
+ goto out_sg_alloc_fail;
+ }
ret = vmw_ttm_map_for_dma(vmw_tt);
if (unlikely(ret != 0))
@@ -209,8 +214,9 @@ static int vmw_ttm_map_dma(struct vmw_ttm_tt *vmw_tt)
return 0;
out_map_fail:
- sg_free_table(vmw_tt->vsgt.sgt);
- vmw_tt->vsgt.sgt = NULL;
+ drm_warn(&dev_priv->drm, "VSG table map failed!");
+ sg_free_table(vsgt->sgt);
+ vsgt->sgt = NULL;
out_sg_alloc_fail:
return ret;
}
@@ -356,15 +362,17 @@ static void vmw_ttm_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
static int vmw_ttm_populate(struct ttm_device *bdev,
struct ttm_tt *ttm, struct ttm_operation_ctx *ctx)
{
- int ret;
+ bool external = (ttm->page_flags & TTM_TT_FLAG_EXTERNAL) != 0;
- /* TODO: maybe completely drop this ? */
if (ttm_tt_is_populated(ttm))
return 0;
- ret = ttm_pool_alloc(&bdev->pool, ttm, ctx);
+ if (external && ttm->sg)
+ return drm_prime_sg_to_dma_addr_array(ttm->sg,
+ ttm->dma_address,
+ ttm->num_pages);
- return ret;
+ return ttm_pool_alloc(&bdev->pool, ttm, ctx);
}
static void vmw_ttm_unpopulate(struct ttm_device *bdev,
@@ -372,6 +380,10 @@ static void vmw_ttm_unpopulate(struct ttm_device *bdev,
{
struct vmw_ttm_tt *vmw_tt = container_of(ttm, struct vmw_ttm_tt,
dma_ttm);
+ bool external = (ttm->page_flags & TTM_TT_FLAG_EXTERNAL) != 0;
+
+ if (external)
+ return;
vmw_ttm_unbind(bdev, ttm);
@@ -390,6 +402,7 @@ static struct ttm_tt *vmw_ttm_tt_create(struct ttm_buffer_object *bo,
{
struct vmw_ttm_tt *vmw_be;
int ret;
+ bool external = bo->type == ttm_bo_type_sg;
vmw_be = kzalloc(sizeof(*vmw_be), GFP_KERNEL);
if (!vmw_be)
@@ -398,7 +411,10 @@ static struct ttm_tt *vmw_ttm_tt_create(struct ttm_buffer_object *bo,
vmw_be->dev_priv = vmw_priv_from_ttm(bo->bdev);
vmw_be->mob = NULL;
- if (vmw_be->dev_priv->map_mode == vmw_dma_alloc_coherent)
+ if (external)
+ page_flags |= TTM_TT_FLAG_EXTERNAL | TTM_TT_FLAG_EXTERNAL_MAPPABLE;
+
+ if (vmw_be->dev_priv->map_mode == vmw_dma_alloc_coherent || external)
ret = ttm_sg_tt_init(&vmw_be->dma_ttm, bo, page_flags,
ttm_cached);
else
diff --git a/drivers/gpu/drm/xe/display/intel_fb_bo.c b/drivers/gpu/drm/xe/display/intel_fb_bo.c
index b21da7b745a5..a9c1f9885c6b 100644
--- a/drivers/gpu/drm/xe/display/intel_fb_bo.c
+++ b/drivers/gpu/drm/xe/display/intel_fb_bo.c
@@ -31,7 +31,7 @@ int intel_fb_bo_framebuffer_init(struct intel_framebuffer *intel_fb,
ret = ttm_bo_reserve(&bo->ttm, true, false, NULL);
if (ret)
- return ret;
+ goto err;
if (!(bo->flags & XE_BO_SCANOUT_BIT)) {
/*
@@ -42,12 +42,16 @@ int intel_fb_bo_framebuffer_init(struct intel_framebuffer *intel_fb,
*/
if (XE_IOCTL_DBG(i915, !list_empty(&bo->ttm.base.gpuva.list))) {
ttm_bo_unreserve(&bo->ttm);
- return -EINVAL;
+ ret = -EINVAL;
+ goto err;
}
bo->flags |= XE_BO_SCANOUT_BIT;
}
ttm_bo_unreserve(&bo->ttm);
+ return 0;
+err:
+ xe_bo_put(bo);
return ret;
}
diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c
index 62d1ef8867a8..3d4c8f342e21 100644
--- a/drivers/gpu/drm/xe/xe_vm.c
+++ b/drivers/gpu/drm/xe/xe_vm.c
@@ -1577,6 +1577,16 @@ void xe_vm_close_and_put(struct xe_vm *vm)
xe->usm.num_vm_in_fault_mode--;
else if (!(vm->flags & XE_VM_FLAG_MIGRATION))
xe->usm.num_vm_in_non_fault_mode--;
+
+ if (vm->usm.asid) {
+ void *lookup;
+
+ xe_assert(xe, xe->info.has_asid);
+ xe_assert(xe, !(vm->flags & XE_VM_FLAG_MIGRATION));
+
+ lookup = xa_erase(&xe->usm.asid_to_vm, vm->usm.asid);
+ xe_assert(xe, lookup == vm);
+ }
mutex_unlock(&xe->usm.lock);
for_each_tile(tile, xe, id)
@@ -1592,24 +1602,15 @@ static void vm_destroy_work_func(struct work_struct *w)
struct xe_device *xe = vm->xe;
struct xe_tile *tile;
u8 id;
- void *lookup;
/* xe_vm_close_and_put was not called? */
xe_assert(xe, !vm->size);
mutex_destroy(&vm->snap_mutex);
- if (!(vm->flags & XE_VM_FLAG_MIGRATION)) {
+ if (!(vm->flags & XE_VM_FLAG_MIGRATION))
xe_device_mem_access_put(xe);
- if (xe->info.has_asid && vm->usm.asid) {
- mutex_lock(&xe->usm.lock);
- lookup = xa_erase(&xe->usm.asid_to_vm, vm->usm.asid);
- xe_assert(xe, lookup == vm);
- mutex_unlock(&xe->usm.lock);
- }
- }
-
for_each_tile(tile, xe, id)
XE_WARN_ON(vm->pt_root[id]);
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index bf0df6ee4f78..07fb8d3c037f 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -1026,23 +1026,26 @@ static void cm_reset_to_idle(struct cm_id_private *cm_id_priv)
}
}
-static noinline void cm_destroy_id_wait_timeout(struct ib_cm_id *cm_id)
+static noinline void cm_destroy_id_wait_timeout(struct ib_cm_id *cm_id,
+ enum ib_cm_state old_state)
{
struct cm_id_private *cm_id_priv;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
- pr_err("%s: cm_id=%p timed out. state=%d refcnt=%d\n", __func__,
- cm_id, cm_id->state, refcount_read(&cm_id_priv->refcount));
+ pr_err("%s: cm_id=%p timed out. state %d -> %d, refcnt=%d\n", __func__,
+ cm_id, old_state, cm_id->state, refcount_read(&cm_id_priv->refcount));
}
static void cm_destroy_id(struct ib_cm_id *cm_id, int err)
{
struct cm_id_private *cm_id_priv;
+ enum ib_cm_state old_state;
struct cm_work *work;
int ret;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
spin_lock_irq(&cm_id_priv->lock);
+ old_state = cm_id->state;
retest:
switch (cm_id->state) {
case IB_CM_LISTEN:
@@ -1151,7 +1154,7 @@ retest:
msecs_to_jiffies(
CM_DESTROY_ID_WAIT_TIMEOUT));
if (!ret) /* timeout happened */
- cm_destroy_id_wait_timeout(cm_id);
+ cm_destroy_id_wait_timeout(cm_id, old_state);
} while (!ret);
while ((work = cm_dequeue_work(cm_id_priv)) != NULL)
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index 0c3c4e64812c..3e43687a7f6f 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -188,7 +188,8 @@ static int process_pma_cmd(struct mlx5_ib_dev *dev, u32 port_num,
mdev = dev->mdev;
mdev_port_num = 1;
}
- if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1) {
+ if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1 &&
+ !mlx5_core_mp_enabled(mdev)) {
/* set local port to one for Function-Per-Port HCA. */
mdev = dev->mdev;
mdev_port_num = 1;
diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index ae466e72fc43..255677bc12b2 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -33,6 +33,8 @@ void rxe_dealloc(struct ib_device *ib_dev)
if (rxe->tfm)
crypto_free_shash(rxe->tfm);
+
+ mutex_destroy(&rxe->usdev_lock);
}
/* initialize rxe device parameters */
diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 5d1010cafed8..7e9b996b47c8 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -176,6 +176,8 @@ static struct icc_path *path_init(struct device *dev, struct icc_node *dst,
path->num_nodes = num_nodes;
+ mutex_lock(&icc_bw_lock);
+
for (i = num_nodes - 1; i >= 0; i--) {
node->provider->users++;
hlist_add_head(&path->reqs[i].req_node, &node->req_list);
@@ -186,6 +188,8 @@ static struct icc_path *path_init(struct device *dev, struct icc_node *dst,
node = node->reverse;
}
+ mutex_unlock(&icc_bw_lock);
+
return path;
}
@@ -792,12 +796,16 @@ void icc_put(struct icc_path *path)
pr_err("%s: error (%d)\n", __func__, ret);
mutex_lock(&icc_lock);
+ mutex_lock(&icc_bw_lock);
+
for (i = 0; i < path->num_nodes; i++) {
node = path->reqs[i].node;
hlist_del(&path->reqs[i].req_node);
if (!WARN_ON(!node->provider->users))
node->provider->users--;
}
+
+ mutex_unlock(&icc_bw_lock);
mutex_unlock(&icc_lock);
kfree_const(path->name);
diff --git a/drivers/interconnect/qcom/x1e80100.c b/drivers/interconnect/qcom/x1e80100.c
index 99824675ee3f..654abb9ce08e 100644
--- a/drivers/interconnect/qcom/x1e80100.c
+++ b/drivers/interconnect/qcom/x1e80100.c
@@ -116,15 +116,6 @@ static struct qcom_icc_node xm_sdc2 = {
.links = { X1E80100_SLAVE_A2NOC_SNOC },
};
-static struct qcom_icc_node ddr_perf_mode_master = {
- .name = "ddr_perf_mode_master",
- .id = X1E80100_MASTER_DDR_PERF_MODE,
- .channels = 1,
- .buswidth = 4,
- .num_links = 1,
- .links = { X1E80100_SLAVE_DDR_PERF_MODE },
-};
-
static struct qcom_icc_node qup0_core_master = {
.name = "qup0_core_master",
.id = X1E80100_MASTER_QUP_CORE_0,
@@ -688,14 +679,6 @@ static struct qcom_icc_node qns_a2noc_snoc = {
.links = { X1E80100_MASTER_A2NOC_SNOC },
};
-static struct qcom_icc_node ddr_perf_mode_slave = {
- .name = "ddr_perf_mode_slave",
- .id = X1E80100_SLAVE_DDR_PERF_MODE,
- .channels = 1,
- .buswidth = 4,
- .num_links = 0,
-};
-
static struct qcom_icc_node qup0_core_slave = {
.name = "qup0_core_slave",
.id = X1E80100_SLAVE_QUP_CORE_0,
@@ -1377,12 +1360,6 @@ static struct qcom_icc_bcm bcm_acv = {
.nodes = { &ebi },
};
-static struct qcom_icc_bcm bcm_acv_perf = {
- .name = "ACV_PERF",
- .num_nodes = 1,
- .nodes = { &ddr_perf_mode_slave },
-};
-
static struct qcom_icc_bcm bcm_ce0 = {
.name = "CE0",
.num_nodes = 1,
@@ -1583,18 +1560,15 @@ static const struct qcom_icc_desc x1e80100_aggre2_noc = {
};
static struct qcom_icc_bcm * const clk_virt_bcms[] = {
- &bcm_acv_perf,
&bcm_qup0,
&bcm_qup1,
&bcm_qup2,
};
static struct qcom_icc_node * const clk_virt_nodes[] = {
- [MASTER_DDR_PERF_MODE] = &ddr_perf_mode_master,
[MASTER_QUP_CORE_0] = &qup0_core_master,
[MASTER_QUP_CORE_1] = &qup1_core_master,
[MASTER_QUP_CORE_2] = &qup2_core_master,
- [SLAVE_DDR_PERF_MODE] = &ddr_perf_mode_slave,
[SLAVE_QUP_CORE_0] = &qup0_core_slave,
[SLAVE_QUP_CORE_1] = &qup1_core_slave,
[SLAVE_QUP_CORE_2] = &qup2_core_slave,
diff --git a/drivers/iommu/amd/Kconfig b/drivers/iommu/amd/Kconfig
index 443b2c13c37b..68d8fc107cb9 100644
--- a/drivers/iommu/amd/Kconfig
+++ b/drivers/iommu/amd/Kconfig
@@ -10,6 +10,8 @@ config AMD_IOMMU
select IOMMU_API
select IOMMU_IOVA
select IOMMU_IO_PGTABLE
+ select IOMMU_SVA
+ select IOMMU_IOPF
select IOMMUFD_DRIVER if IOMMUFD
depends on X86_64 && PCI && ACPI && HAVE_CMPXCHG_DOUBLE
help
diff --git a/drivers/iommu/amd/Makefile b/drivers/iommu/amd/Makefile
index f454fbb1569e..9de33b2d42f5 100644
--- a/drivers/iommu/amd/Makefile
+++ b/drivers/iommu/amd/Makefile
@@ -1,3 +1,3 @@
# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_AMD_IOMMU) += iommu.o init.o quirks.o io_pgtable.o io_pgtable_v2.o
+obj-$(CONFIG_AMD_IOMMU) += iommu.o init.o quirks.o io_pgtable.o io_pgtable_v2.o ppr.o pasid.o
obj-$(CONFIG_AMD_IOMMU_DEBUGFS) += debugfs.o
diff --git a/drivers/iommu/amd/amd_iommu.h b/drivers/iommu/amd/amd_iommu.h
index e01409037206..dca120468198 100644
--- a/drivers/iommu/amd/amd_iommu.h
+++ b/drivers/iommu/amd/amd_iommu.h
@@ -17,10 +17,16 @@ irqreturn_t amd_iommu_int_thread_pprlog(int irq, void *data);
irqreturn_t amd_iommu_int_thread_galog(int irq, void *data);
irqreturn_t amd_iommu_int_handler(int irq, void *data);
void amd_iommu_apply_erratum_63(struct amd_iommu *iommu, u16 devid);
+void amd_iommu_restart_log(struct amd_iommu *iommu, const char *evt_type,
+ u8 cntrl_intr, u8 cntrl_log,
+ u32 status_run_mask, u32 status_overflow_mask);
void amd_iommu_restart_event_logging(struct amd_iommu *iommu);
void amd_iommu_restart_ga_log(struct amd_iommu *iommu);
void amd_iommu_restart_ppr_log(struct amd_iommu *iommu);
void amd_iommu_set_rlookup_table(struct amd_iommu *iommu, u16 devid);
+void iommu_feature_enable(struct amd_iommu *iommu, u8 bit);
+void *__init iommu_alloc_4k_pages(struct amd_iommu *iommu,
+ gfp_t gfp, size_t size);
#ifdef CONFIG_AMD_IOMMU_DEBUGFS
void amd_iommu_debugfs_setup(struct amd_iommu *iommu);
@@ -38,17 +44,41 @@ extern int amd_iommu_guest_ir;
extern enum io_pgtable_fmt amd_iommu_pgtable;
extern int amd_iommu_gpt_level;
-bool amd_iommu_v2_supported(void);
-
-/* Device capabilities */
-int amd_iommu_pdev_enable_cap_pri(struct pci_dev *pdev);
-void amd_iommu_pdev_disable_cap_pri(struct pci_dev *pdev);
+/* Protection domain ops */
+struct protection_domain *protection_domain_alloc(unsigned int type);
+void protection_domain_free(struct protection_domain *domain);
+struct iommu_domain *amd_iommu_domain_alloc_sva(struct device *dev,
+ struct mm_struct *mm);
+void amd_iommu_domain_free(struct iommu_domain *dom);
+int iommu_sva_set_dev_pasid(struct iommu_domain *domain,
+ struct device *dev, ioasid_t pasid);
+void amd_iommu_remove_dev_pasid(struct device *dev, ioasid_t pasid);
+
+/* SVA/PASID */
+bool amd_iommu_pasid_supported(void);
+
+/* IOPF */
+int amd_iommu_iopf_init(struct amd_iommu *iommu);
+void amd_iommu_iopf_uninit(struct amd_iommu *iommu);
+void amd_iommu_page_response(struct device *dev, struct iopf_fault *evt,
+ struct iommu_page_response *resp);
+int amd_iommu_iopf_add_device(struct amd_iommu *iommu,
+ struct iommu_dev_data *dev_data);
+void amd_iommu_iopf_remove_device(struct amd_iommu *iommu,
+ struct iommu_dev_data *dev_data);
/* GCR3 setup */
int amd_iommu_set_gcr3(struct iommu_dev_data *dev_data,
ioasid_t pasid, unsigned long gcr3);
int amd_iommu_clear_gcr3(struct iommu_dev_data *dev_data, ioasid_t pasid);
+/* PPR */
+int __init amd_iommu_alloc_ppr_log(struct amd_iommu *iommu);
+void __init amd_iommu_free_ppr_log(struct amd_iommu *iommu);
+void amd_iommu_enable_ppr_log(struct amd_iommu *iommu);
+void amd_iommu_poll_ppr_log(struct amd_iommu *iommu);
+int amd_iommu_complete_ppr(struct device *dev, u32 pasid, int status, int tag);
+
/*
* This function flushes all internal caches of
* the IOMMU used by this driver.
@@ -56,6 +86,7 @@ int amd_iommu_clear_gcr3(struct iommu_dev_data *dev_data, ioasid_t pasid);
void amd_iommu_flush_all_caches(struct amd_iommu *iommu);
void amd_iommu_update_and_flush_device_table(struct protection_domain *domain);
void amd_iommu_domain_update(struct protection_domain *domain);
+void amd_iommu_dev_update_dte(struct iommu_dev_data *dev_data, bool set);
void amd_iommu_domain_flush_complete(struct protection_domain *domain);
void amd_iommu_domain_flush_pages(struct protection_domain *domain,
u64 address, size_t size);
@@ -73,9 +104,6 @@ static inline int amd_iommu_create_irq_domain(struct amd_iommu *iommu)
}
#endif
-int amd_iommu_complete_ppr(struct pci_dev *pdev, u32 pasid,
- int status, int tag);
-
static inline bool is_rd890_iommu(struct pci_dev *pdev)
{
return (pdev->vendor == PCI_VENDOR_ID_ATI) &&
@@ -149,6 +177,11 @@ static inline struct amd_iommu *get_amd_iommu_from_dev_data(struct iommu_dev_dat
return iommu_get_iommu_dev(dev_data->dev, struct amd_iommu, iommu);
}
+static inline struct protection_domain *to_pdomain(struct iommu_domain *dom)
+{
+ return container_of(dom, struct protection_domain, domain);
+}
+
bool translation_pre_enabled(struct amd_iommu *iommu);
bool amd_iommu_is_attach_deferred(struct device *dev);
int __init add_special_device(u8 type, u8 id, u32 *devid, bool cmd_line);
diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h
index d1fed5fc219b..2b76b5dedc1d 100644
--- a/drivers/iommu/amd/amd_iommu_types.h
+++ b/drivers/iommu/amd/amd_iommu_types.h
@@ -8,7 +8,9 @@
#ifndef _ASM_X86_AMD_IOMMU_TYPES_H
#define _ASM_X86_AMD_IOMMU_TYPES_H
+#include <linux/iommu.h>
#include <linux/types.h>
+#include <linux/mmu_notifier.h>
#include <linux/mutex.h>
#include <linux/msi.h>
#include <linux/list.h>
@@ -251,6 +253,14 @@
#define PPR_ENTRY_SIZE 16
#define PPR_LOG_SIZE (PPR_ENTRY_SIZE * PPR_LOG_ENTRIES)
+/* PAGE_SERVICE_REQUEST PPR Log Buffer Entry flags */
+#define PPR_FLAG_EXEC 0x002 /* Execute permission requested */
+#define PPR_FLAG_READ 0x004 /* Read permission requested */
+#define PPR_FLAG_WRITE 0x020 /* Write permission requested */
+#define PPR_FLAG_US 0x040 /* 1: User, 0: Supervisor */
+#define PPR_FLAG_RVSD 0x080 /* Reserved bit not zero */
+#define PPR_FLAG_GN 0x100 /* GVA and PASID is valid */
+
#define PPR_REQ_TYPE(x) (((x) >> 60) & 0xfULL)
#define PPR_FLAGS(x) (((x) >> 48) & 0xfffULL)
#define PPR_DEVID(x) ((x) & 0xffffULL)
@@ -503,6 +513,11 @@ extern struct kmem_cache *amd_iommu_irq_cache;
list_for_each_entry((iommu), &amd_iommu_list, list)
#define for_each_iommu_safe(iommu, next) \
list_for_each_entry_safe((iommu), (next), &amd_iommu_list, list)
+/* Making iterating over protection_domain->dev_data_list easier */
+#define for_each_pdom_dev_data(pdom_dev_data, pdom) \
+ list_for_each_entry(pdom_dev_data, &pdom->dev_data_list, list)
+#define for_each_pdom_dev_data_safe(pdom_dev_data, next, pdom) \
+ list_for_each_entry_safe((pdom_dev_data), (next), &pdom->dev_data_list, list)
struct amd_iommu;
struct iommu_domain;
@@ -544,6 +559,16 @@ enum protection_domain_mode {
PD_MODE_V2,
};
+/* Track dev_data/PASID list for the protection domain */
+struct pdom_dev_data {
+ /* Points to attached device data */
+ struct iommu_dev_data *dev_data;
+ /* PASID attached to the protection domain */
+ ioasid_t pasid;
+ /* For protection_domain->dev_data_list */
+ struct list_head list;
+};
+
/*
* This structure contains generic data for IOMMU protection domains
* independent of their use.
@@ -560,6 +585,9 @@ struct protection_domain {
bool dirty_tracking; /* dirty tracking is enabled in the domain */
unsigned dev_cnt; /* devices assigned to this domain */
unsigned dev_iommu[MAX_IOMMUS]; /* per-IOMMU reference count */
+
+ struct mmu_notifier mn; /* mmu notifier for the SVA domain */
+ struct list_head dev_data_list; /* List of pdom_dev_data */
};
/*
@@ -762,6 +790,10 @@ struct amd_iommu {
/* DebugFS Info */
struct dentry *debugfs;
#endif
+
+ /* IOPF support */
+ struct iopf_queue *iopf_queue;
+ unsigned char iopfq_name[32];
};
static inline struct amd_iommu *dev_to_amd_iommu(struct device *dev)
@@ -813,6 +845,7 @@ struct iommu_dev_data {
struct device *dev;
u16 devid; /* PCI Device ID */
+ u32 max_pasids; /* Max supported PASIDs */
u32 flags; /* Holds AMD_IOMMU_DEVICE_FLAG_<*> */
int ats_qdep;
u8 ats_enabled :1; /* ATS state */
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 40b3b9cffade..fd3e76e43699 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -420,7 +420,7 @@ static void iommu_set_device_table(struct amd_iommu *iommu)
}
/* Generic functions to enable/disable certain features of the IOMMU. */
-static void iommu_feature_enable(struct amd_iommu *iommu, u8 bit)
+void iommu_feature_enable(struct amd_iommu *iommu, u8 bit)
{
u64 ctrl;
@@ -745,9 +745,9 @@ static int __init alloc_command_buffer(struct amd_iommu *iommu)
* Interrupt handler has processed all pending events and adjusted head
* and tail pointer. Reset overflow mask and restart logging again.
*/
-static void amd_iommu_restart_log(struct amd_iommu *iommu, const char *evt_type,
- u8 cntrl_intr, u8 cntrl_log,
- u32 status_run_mask, u32 status_overflow_mask)
+void amd_iommu_restart_log(struct amd_iommu *iommu, const char *evt_type,
+ u8 cntrl_intr, u8 cntrl_log,
+ u32 status_run_mask, u32 status_overflow_mask)
{
u32 status;
@@ -789,17 +789,6 @@ void amd_iommu_restart_ga_log(struct amd_iommu *iommu)
}
/*
- * This function restarts ppr logging in case the IOMMU experienced
- * PPR log overflow.
- */
-void amd_iommu_restart_ppr_log(struct amd_iommu *iommu)
-{
- amd_iommu_restart_log(iommu, "PPR", CONTROL_PPRINT_EN,
- CONTROL_PPRLOG_EN, MMIO_STATUS_PPR_RUN_MASK,
- MMIO_STATUS_PPR_OVERFLOW_MASK);
-}
-
-/*
* This function resets the command buffer if the IOMMU stopped fetching
* commands from it.
*/
@@ -847,8 +836,8 @@ static void __init free_command_buffer(struct amd_iommu *iommu)
iommu_free_pages(iommu->cmd_buf, get_order(CMD_BUFFER_SIZE));
}
-static void *__init iommu_alloc_4k_pages(struct amd_iommu *iommu,
- gfp_t gfp, size_t size)
+void *__init iommu_alloc_4k_pages(struct amd_iommu *iommu, gfp_t gfp,
+ size_t size)
{
int order = get_order(size);
void *buf = iommu_alloc_pages(gfp, order);
@@ -903,41 +892,6 @@ static void __init free_event_buffer(struct amd_iommu *iommu)
iommu_free_pages(iommu->evt_buf, get_order(EVT_BUFFER_SIZE));
}
-/* allocates the memory where the IOMMU will log its events to */
-static int __init alloc_ppr_log(struct amd_iommu *iommu)
-{
- iommu->ppr_log = iommu_alloc_4k_pages(iommu, GFP_KERNEL, PPR_LOG_SIZE);
-
- return iommu->ppr_log ? 0 : -ENOMEM;
-}
-
-static void iommu_enable_ppr_log(struct amd_iommu *iommu)
-{
- u64 entry;
-
- if (iommu->ppr_log == NULL)
- return;
-
- iommu_feature_enable(iommu, CONTROL_PPR_EN);
-
- entry = iommu_virt_to_phys(iommu->ppr_log) | PPR_LOG_SIZE_512;
-
- memcpy_toio(iommu->mmio_base + MMIO_PPR_LOG_OFFSET,
- &entry, sizeof(entry));
-
- /* set head and tail to zero manually */
- writel(0x00, iommu->mmio_base + MMIO_PPR_HEAD_OFFSET);
- writel(0x00, iommu->mmio_base + MMIO_PPR_TAIL_OFFSET);
-
- iommu_feature_enable(iommu, CONTROL_PPRLOG_EN);
- iommu_feature_enable(iommu, CONTROL_PPRINT_EN);
-}
-
-static void __init free_ppr_log(struct amd_iommu *iommu)
-{
- iommu_free_pages(iommu->ppr_log, get_order(PPR_LOG_SIZE));
-}
-
static void free_ga_log(struct amd_iommu *iommu)
{
#ifdef CONFIG_IRQ_REMAP
@@ -1677,9 +1631,10 @@ static void __init free_iommu_one(struct amd_iommu *iommu)
free_cwwb_sem(iommu);
free_command_buffer(iommu);
free_event_buffer(iommu);
- free_ppr_log(iommu);
+ amd_iommu_free_ppr_log(iommu);
free_ga_log(iommu);
iommu_unmap_mmio_space(iommu);
+ amd_iommu_iopf_uninit(iommu);
}
static void __init free_iommu_all(void)
@@ -2093,7 +2048,7 @@ static int __init iommu_init_pci(struct amd_iommu *iommu)
amd_iommu_max_glx_val = min(amd_iommu_max_glx_val, glxval);
}
- if (check_feature(FEATURE_PPR) && alloc_ppr_log(iommu))
+ if (check_feature(FEATURE_PPR) && amd_iommu_alloc_ppr_log(iommu))
return -ENOMEM;
if (iommu->cap & (1UL << IOMMU_CAP_NPCACHE)) {
@@ -2149,6 +2104,16 @@ static int __init iommu_init_pci(struct amd_iommu *iommu)
if (ret)
return ret;
+ /*
+ * Allocate per IOMMU IOPF queue here so that in attach device path,
+ * PRI capable device can be added to IOPF queue
+ */
+ if (amd_iommu_gt_ppr_supported()) {
+ ret = amd_iommu_iopf_init(iommu);
+ if (ret)
+ return ret;
+ }
+
iommu_device_register(&iommu->iommu, &amd_iommu_ops, NULL);
return pci_enable_device(iommu->dev);
@@ -2834,12 +2799,15 @@ static void early_enable_iommus(void)
}
}
-static void enable_iommus_v2(void)
+static void enable_iommus_ppr(void)
{
struct amd_iommu *iommu;
+ if (!amd_iommu_gt_ppr_supported())
+ return;
+
for_each_iommu(iommu)
- iommu_enable_ppr_log(iommu);
+ amd_iommu_enable_ppr_log(iommu);
}
static void enable_iommus_vapic(void)
@@ -3174,7 +3142,7 @@ static int amd_iommu_enable_interrupts(void)
* PPR and GA log interrupt for all IOMMUs.
*/
enable_iommus_vapic();
- enable_iommus_v2();
+ enable_iommus_ppr();
out:
return ret;
@@ -3683,7 +3651,7 @@ __setup("ivrs_ioapic", parse_ivrs_ioapic);
__setup("ivrs_hpet", parse_ivrs_hpet);
__setup("ivrs_acpihid", parse_ivrs_acpihid);
-bool amd_iommu_v2_supported(void)
+bool amd_iommu_pasid_supported(void)
{
/* CPU page table size should match IOMMU guest page table size */
if (cpu_feature_enabled(X86_FEATURE_LA57) &&
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 922f5d42c18e..1ff80cc79dbc 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -90,6 +90,21 @@ static inline bool pdom_is_v2_pgtbl_mode(struct protection_domain *pdom)
return (pdom && (pdom->pd_mode == PD_MODE_V2));
}
+static inline bool pdom_is_in_pt_mode(struct protection_domain *pdom)
+{
+ return (pdom->domain.type == IOMMU_DOMAIN_IDENTITY);
+}
+
+/*
+ * We cannot support PASID w/ existing v1 page table in the same domain
+ * since it will be nested. However, existing domain w/ v2 page table
+ * or passthrough mode can be used for PASID.
+ */
+static inline bool pdom_is_sva_capable(struct protection_domain *pdom)
+{
+ return pdom_is_v2_pgtbl_mode(pdom) || pdom_is_in_pt_mode(pdom);
+}
+
static inline int get_acpihid_device_id(struct device *dev,
struct acpihid_map_entry **entry)
{
@@ -180,11 +195,6 @@ static struct amd_iommu *rlookup_amd_iommu(struct device *dev)
return __rlookup_amd_iommu(seg, PCI_SBDF_TO_DEVID(devid));
}
-static struct protection_domain *to_pdomain(struct iommu_domain *dom)
-{
- return container_of(dom, struct protection_domain, domain);
-}
-
static struct iommu_dev_data *alloc_dev_data(struct amd_iommu *iommu, u16 devid)
{
struct iommu_dev_data *dev_data;
@@ -385,7 +395,7 @@ static inline void pdev_disable_cap_ats(struct pci_dev *pdev)
}
}
-int amd_iommu_pdev_enable_cap_pri(struct pci_dev *pdev)
+static inline int pdev_enable_cap_pri(struct pci_dev *pdev)
{
struct iommu_dev_data *dev_data = dev_iommu_priv_get(&pdev->dev);
int ret = -EINVAL;
@@ -393,6 +403,9 @@ int amd_iommu_pdev_enable_cap_pri(struct pci_dev *pdev)
if (dev_data->pri_enabled)
return 0;
+ if (!dev_data->ats_enabled)
+ return 0;
+
if (dev_data->flags & AMD_IOMMU_DEVICE_FLAG_PRI_SUP) {
/*
* First reset the PRI state of the device.
@@ -409,7 +422,7 @@ int amd_iommu_pdev_enable_cap_pri(struct pci_dev *pdev)
return ret;
}
-void amd_iommu_pdev_disable_cap_pri(struct pci_dev *pdev)
+static inline void pdev_disable_cap_pri(struct pci_dev *pdev)
{
struct iommu_dev_data *dev_data = dev_iommu_priv_get(&pdev->dev);
@@ -451,15 +464,14 @@ static void pdev_enable_caps(struct pci_dev *pdev)
{
pdev_enable_cap_ats(pdev);
pdev_enable_cap_pasid(pdev);
- amd_iommu_pdev_enable_cap_pri(pdev);
-
+ pdev_enable_cap_pri(pdev);
}
static void pdev_disable_caps(struct pci_dev *pdev)
{
pdev_disable_cap_ats(pdev);
pdev_disable_cap_pasid(pdev);
- amd_iommu_pdev_disable_cap_pri(pdev);
+ pdev_disable_cap_pri(pdev);
}
/*
@@ -819,59 +831,6 @@ static void iommu_poll_events(struct amd_iommu *iommu)
writel(head, iommu->mmio_base + MMIO_EVT_HEAD_OFFSET);
}
-static void iommu_poll_ppr_log(struct amd_iommu *iommu)
-{
- u32 head, tail;
-
- if (iommu->ppr_log == NULL)
- return;
-
- head = readl(iommu->mmio_base + MMIO_PPR_HEAD_OFFSET);
- tail = readl(iommu->mmio_base + MMIO_PPR_TAIL_OFFSET);
-
- while (head != tail) {
- volatile u64 *raw;
- u64 entry[2];
- int i;
-
- raw = (u64 *)(iommu->ppr_log + head);
-
- /*
- * Hardware bug: Interrupt may arrive before the entry is
- * written to memory. If this happens we need to wait for the
- * entry to arrive.
- */
- for (i = 0; i < LOOP_TIMEOUT; ++i) {
- if (PPR_REQ_TYPE(raw[0]) != 0)
- break;
- udelay(1);
- }
-
- /* Avoid memcpy function-call overhead */
- entry[0] = raw[0];
- entry[1] = raw[1];
-
- /*
- * To detect the hardware errata 733 we need to clear the
- * entry back to zero. This issue does not exist on SNP
- * enabled system. Also this buffer is not writeable on
- * SNP enabled system.
- */
- if (!amd_iommu_snp_en)
- raw[0] = raw[1] = 0UL;
-
- /* Update head pointer of hardware ring-buffer */
- head = (head + PPR_ENTRY_SIZE) % PPR_LOG_SIZE;
- writel(head, iommu->mmio_base + MMIO_PPR_HEAD_OFFSET);
-
- /* TODO: PPR Handler will be added when we add IOPF support */
-
- /* Refresh ring-buffer information */
- head = readl(iommu->mmio_base + MMIO_PPR_HEAD_OFFSET);
- tail = readl(iommu->mmio_base + MMIO_PPR_TAIL_OFFSET);
- }
-}
-
#ifdef CONFIG_IRQ_REMAP
static int (*iommu_ga_log_notifier)(u32);
@@ -992,7 +951,7 @@ irqreturn_t amd_iommu_int_thread_pprlog(int irq, void *data)
{
amd_iommu_handle_irq(data, "PPR", MMIO_STATUS_PPR_INT_MASK,
MMIO_STATUS_PPR_OVERFLOW_MASK,
- iommu_poll_ppr_log, amd_iommu_restart_ppr_log);
+ amd_iommu_poll_ppr_log, amd_iommu_restart_ppr_log);
return IRQ_HANDLED;
}
@@ -1665,15 +1624,14 @@ void amd_iommu_domain_update(struct protection_domain *domain)
amd_iommu_domain_flush_all(domain);
}
-int amd_iommu_complete_ppr(struct pci_dev *pdev, u32 pasid,
- int status, int tag)
+int amd_iommu_complete_ppr(struct device *dev, u32 pasid, int status, int tag)
{
struct iommu_dev_data *dev_data;
struct amd_iommu *iommu;
struct iommu_cmd cmd;
- dev_data = dev_iommu_priv_get(&pdev->dev);
- iommu = get_amd_iommu_from_dev(&pdev->dev);
+ dev_data = dev_iommu_priv_get(dev);
+ iommu = get_amd_iommu_from_dev(dev);
build_complete_ppr(&cmd, dev_data->devid, pasid, status,
tag, dev_data->pri_tlp);
@@ -2003,10 +1961,78 @@ static void clear_dte_entry(struct amd_iommu *iommu, u16 devid)
amd_iommu_apply_erratum_63(iommu, devid);
}
+/* Update and flush DTE for the given device */
+void amd_iommu_dev_update_dte(struct iommu_dev_data *dev_data, bool set)
+{
+ struct amd_iommu *iommu = get_amd_iommu_from_dev(dev_data->dev);
+
+ if (set)
+ set_dte_entry(iommu, dev_data);
+ else
+ clear_dte_entry(iommu, dev_data->devid);
+
+ clone_aliases(iommu, dev_data->dev);
+ device_flush_dte(dev_data);
+ iommu_completion_wait(iommu);
+}
+
+/*
+ * If domain is SVA capable then initialize GCR3 table. Also if domain is
+ * in v2 page table mode then update GCR3[0].
+ */
+static int init_gcr3_table(struct iommu_dev_data *dev_data,
+ struct protection_domain *pdom)
+{
+ struct amd_iommu *iommu = get_amd_iommu_from_dev_data(dev_data);
+ int max_pasids = dev_data->max_pasids;
+ int ret = 0;
+
+ /*
+ * If domain is in pt mode then setup GCR3 table only if device
+ * is PASID capable
+ */
+ if (pdom_is_in_pt_mode(pdom) && !pdev_pasid_supported(dev_data))
+ return ret;
+
+ /*
+ * By default, setup GCR3 table to support MAX PASIDs
+ * supported by the device/IOMMU.
+ */
+ ret = setup_gcr3_table(&dev_data->gcr3_info, iommu,
+ max_pasids > 0 ? max_pasids : 1);
+ if (ret)
+ return ret;
+
+ /* Setup GCR3[0] only if domain is setup with v2 page table mode */
+ if (!pdom_is_v2_pgtbl_mode(pdom))
+ return ret;
+
+ ret = update_gcr3(dev_data, 0, iommu_virt_to_phys(pdom->iop.pgd), true);
+ if (ret)
+ free_gcr3_table(&dev_data->gcr3_info);
+
+ return ret;
+}
+
+static void destroy_gcr3_table(struct iommu_dev_data *dev_data,
+ struct protection_domain *pdom)
+{
+ struct gcr3_tbl_info *gcr3_info = &dev_data->gcr3_info;
+
+ if (pdom_is_v2_pgtbl_mode(pdom))
+ update_gcr3(dev_data, 0, 0, false);
+
+ if (gcr3_info->gcr3_tbl == NULL)
+ return;
+
+ free_gcr3_table(gcr3_info);
+}
+
static int do_attach(struct iommu_dev_data *dev_data,
struct protection_domain *domain)
{
struct amd_iommu *iommu = get_amd_iommu_from_dev_data(dev_data);
+ struct pci_dev *pdev;
int ret = 0;
/* Update data structures */
@@ -2021,26 +2047,29 @@ static int do_attach(struct iommu_dev_data *dev_data,
domain->dev_iommu[iommu->index] += 1;
domain->dev_cnt += 1;
- /* Init GCR3 table and update device table */
- if (domain->pd_mode == PD_MODE_V2) {
- /* By default, setup GCR3 table to support single PASID */
- ret = setup_gcr3_table(&dev_data->gcr3_info, iommu, 1);
+ pdev = dev_is_pci(dev_data->dev) ? to_pci_dev(dev_data->dev) : NULL;
+ if (pdom_is_sva_capable(domain)) {
+ ret = init_gcr3_table(dev_data, domain);
if (ret)
return ret;
- ret = update_gcr3(dev_data, 0,
- iommu_virt_to_phys(domain->iop.pgd), true);
- if (ret) {
- free_gcr3_table(&dev_data->gcr3_info);
- return ret;
+ if (pdev) {
+ pdev_enable_caps(pdev);
+
+ /*
+ * Device can continue to function even if IOPF
+ * enablement failed. Hence in error path just
+ * disable device PRI support.
+ */
+ if (amd_iommu_iopf_add_device(iommu, dev_data))
+ pdev_disable_cap_pri(pdev);
}
+ } else if (pdev) {
+ pdev_enable_cap_ats(pdev);
}
/* Update device table */
- set_dte_entry(iommu, dev_data);
- clone_aliases(iommu, dev_data->dev);
-
- device_flush_dte(dev_data);
+ amd_iommu_dev_update_dte(dev_data, true);
return ret;
}
@@ -2051,19 +2080,15 @@ static void do_detach(struct iommu_dev_data *dev_data)
struct amd_iommu *iommu = get_amd_iommu_from_dev_data(dev_data);
/* Clear GCR3 table */
- if (domain->pd_mode == PD_MODE_V2) {
- update_gcr3(dev_data, 0, 0, false);
- free_gcr3_table(&dev_data->gcr3_info);
- }
+ if (pdom_is_sva_capable(domain))
+ destroy_gcr3_table(dev_data, domain);
/* Update data structures */
dev_data->domain = NULL;
list_del(&dev_data->list);
- clear_dte_entry(iommu, dev_data->devid);
- clone_aliases(iommu, dev_data->dev);
- /* Flush the DTE entry */
- device_flush_dte(dev_data);
+ /* Clear DTE and flush the entry */
+ amd_iommu_dev_update_dte(dev_data, false);
/* Flush IOTLB and wait for the flushes to finish */
amd_iommu_domain_flush_all(domain);
@@ -2095,9 +2120,6 @@ static int attach_device(struct device *dev,
goto out;
}
- if (dev_is_pci(dev))
- pdev_enable_caps(to_pci_dev(dev));
-
ret = do_attach(dev_data, domain);
out:
@@ -2113,12 +2135,11 @@ out:
*/
static void detach_device(struct device *dev)
{
- struct protection_domain *domain;
- struct iommu_dev_data *dev_data;
+ struct iommu_dev_data *dev_data = dev_iommu_priv_get(dev);
+ struct protection_domain *domain = dev_data->domain;
+ struct amd_iommu *iommu = get_amd_iommu_from_dev_data(dev_data);
unsigned long flags;
-
- dev_data = dev_iommu_priv_get(dev);
- domain = dev_data->domain;
+ bool ppr = dev_data->ppr;
spin_lock_irqsave(&domain->lock, flags);
@@ -2133,8 +2154,19 @@ static void detach_device(struct device *dev)
if (WARN_ON(!dev_data->domain))
goto out;
+ if (ppr) {
+ iopf_queue_flush_dev(dev);
+
+ /* Updated here so that it gets reflected in DTE */
+ dev_data->ppr = false;
+ }
+
do_detach(dev_data);
+ /* Remove IOPF handler */
+ if (ppr)
+ amd_iommu_iopf_remove_device(iommu, dev_data);
+
if (dev_is_pci(dev))
pdev_disable_caps(to_pci_dev(dev));
@@ -2148,6 +2180,7 @@ static struct iommu_device *amd_iommu_probe_device(struct device *dev)
{
struct iommu_device *iommu_dev;
struct amd_iommu *iommu;
+ struct iommu_dev_data *dev_data;
int ret;
if (!check_device(dev))
@@ -2174,6 +2207,17 @@ static struct iommu_device *amd_iommu_probe_device(struct device *dev)
iommu_dev = &iommu->iommu;
}
+ /*
+ * If IOMMU and device supports PASID then it will contain max
+ * supported PASIDs, else it will be zero.
+ */
+ dev_data = dev_iommu_priv_get(dev);
+ if (amd_iommu_pasid_supported() && dev_is_pci(dev) &&
+ pdev_pasid_supported(dev_data)) {
+ dev_data->max_pasids = min_t(u32, iommu->iommu.max_pasids,
+ pci_max_pasids(to_pci_dev(dev)));
+ }
+
iommu_completion_wait(iommu);
return iommu_dev;
@@ -2237,7 +2281,7 @@ static void cleanup_domain(struct protection_domain *domain)
WARN_ON(domain->dev_cnt != 0);
}
-static void protection_domain_free(struct protection_domain *domain)
+void protection_domain_free(struct protection_domain *domain)
{
if (!domain)
return;
@@ -2280,7 +2324,7 @@ static int protection_domain_init_v2(struct protection_domain *pdom)
return 0;
}
-static struct protection_domain *protection_domain_alloc(unsigned int type)
+struct protection_domain *protection_domain_alloc(unsigned int type)
{
struct io_pgtable_ops *pgtbl_ops;
struct protection_domain *domain;
@@ -2297,11 +2341,13 @@ static struct protection_domain *protection_domain_alloc(unsigned int type)
spin_lock_init(&domain->lock);
INIT_LIST_HEAD(&domain->dev_list);
+ INIT_LIST_HEAD(&domain->dev_data_list);
domain->nid = NUMA_NO_NODE;
switch (type) {
/* No need to allocate io pgtable ops in passthrough mode */
case IOMMU_DOMAIN_IDENTITY:
+ case IOMMU_DOMAIN_SVA:
return domain;
case IOMMU_DOMAIN_DMA:
pgtable = amd_iommu_pgtable;
@@ -2421,7 +2467,7 @@ amd_iommu_domain_alloc_user(struct device *dev, u32 flags,
return do_iommu_domain_alloc(type, dev, flags);
}
-static void amd_iommu_domain_free(struct iommu_domain *dom)
+void amd_iommu_domain_free(struct iommu_domain *dom)
{
struct protection_domain *domain;
unsigned long flags;
@@ -2755,6 +2801,10 @@ static int amd_iommu_def_domain_type(struct device *dev)
if (!dev_data)
return 0;
+ /* Always use DMA domain for untrusted device */
+ if (dev_is_pci(dev) && to_pci_dev(dev)->untrusted)
+ return IOMMU_DOMAIN_DMA;
+
/*
* Do not identity map IOMMUv2 capable devices when:
* - memory encryption is active, because some of those devices
@@ -2782,10 +2832,43 @@ static const struct iommu_dirty_ops amd_dirty_ops = {
.read_and_clear_dirty = amd_iommu_read_and_clear_dirty,
};
+static int amd_iommu_dev_enable_feature(struct device *dev,
+ enum iommu_dev_features feat)
+{
+ int ret = 0;
+
+ switch (feat) {
+ case IOMMU_DEV_FEAT_IOPF:
+ case IOMMU_DEV_FEAT_SVA:
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
+static int amd_iommu_dev_disable_feature(struct device *dev,
+ enum iommu_dev_features feat)
+{
+ int ret = 0;
+
+ switch (feat) {
+ case IOMMU_DEV_FEAT_IOPF:
+ case IOMMU_DEV_FEAT_SVA:
+ break;
+ default:
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
const struct iommu_ops amd_iommu_ops = {
.capable = amd_iommu_capable,
.domain_alloc = amd_iommu_domain_alloc,
.domain_alloc_user = amd_iommu_domain_alloc_user,
+ .domain_alloc_sva = amd_iommu_domain_alloc_sva,
.probe_device = amd_iommu_probe_device,
.release_device = amd_iommu_release_device,
.probe_finalize = amd_iommu_probe_finalize,
@@ -2794,6 +2877,10 @@ const struct iommu_ops amd_iommu_ops = {
.is_attach_deferred = amd_iommu_is_attach_deferred,
.pgsize_bitmap = AMD_IOMMU_PGSIZES,
.def_domain_type = amd_iommu_def_domain_type,
+ .dev_enable_feat = amd_iommu_dev_enable_feature,
+ .dev_disable_feat = amd_iommu_dev_disable_feature,
+ .remove_dev_pasid = amd_iommu_remove_dev_pasid,
+ .page_response = amd_iommu_page_response,
.default_domain_ops = &(const struct iommu_domain_ops) {
.attach_dev = amd_iommu_attach_device,
.map_pages = amd_iommu_map_pages,
diff --git a/drivers/iommu/amd/pasid.c b/drivers/iommu/amd/pasid.c
new file mode 100644
index 000000000000..04beb2217d93
--- /dev/null
+++ b/drivers/iommu/amd/pasid.c
@@ -0,0 +1,202 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2024 Advanced Micro Devices, Inc.
+ */
+
+#define pr_fmt(fmt) "AMD-Vi: " fmt
+#define dev_fmt(fmt) pr_fmt(fmt)
+
+#include <linux/iommu.h>
+#include <linux/mm_types.h>
+
+#include "amd_iommu.h"
+
+static inline bool is_pasid_enabled(struct iommu_dev_data *dev_data)
+{
+ if (dev_data->pasid_enabled && dev_data->max_pasids &&
+ dev_data->gcr3_info.gcr3_tbl != NULL)
+ return true;
+
+ return false;
+}
+
+static inline bool is_pasid_valid(struct iommu_dev_data *dev_data,
+ ioasid_t pasid)
+{
+ if (pasid > 0 && pasid < dev_data->max_pasids)
+ return true;
+
+ return false;
+}
+
+static void remove_dev_pasid(struct pdom_dev_data *pdom_dev_data)
+{
+ /* Update GCR3 table and flush IOTLB */
+ amd_iommu_clear_gcr3(pdom_dev_data->dev_data, pdom_dev_data->pasid);
+
+ list_del(&pdom_dev_data->list);
+ kfree(pdom_dev_data);
+}
+
+/* Clear PASID from device GCR3 table and remove pdom_dev_data from list */
+static void remove_pdom_dev_pasid(struct protection_domain *pdom,
+ struct device *dev, ioasid_t pasid)
+{
+ struct pdom_dev_data *pdom_dev_data;
+ struct iommu_dev_data *dev_data = dev_iommu_priv_get(dev);
+
+ lockdep_assert_held(&pdom->lock);
+
+ for_each_pdom_dev_data(pdom_dev_data, pdom) {
+ if (pdom_dev_data->dev_data == dev_data &&
+ pdom_dev_data->pasid == pasid) {
+ remove_dev_pasid(pdom_dev_data);
+ break;
+ }
+ }
+}
+
+static void sva_arch_invalidate_secondary_tlbs(struct mmu_notifier *mn,
+ struct mm_struct *mm,
+ unsigned long start, unsigned long end)
+{
+ struct pdom_dev_data *pdom_dev_data;
+ struct protection_domain *sva_pdom;
+ unsigned long flags;
+
+ sva_pdom = container_of(mn, struct protection_domain, mn);
+
+ spin_lock_irqsave(&sva_pdom->lock, flags);
+
+ for_each_pdom_dev_data(pdom_dev_data, sva_pdom) {
+ amd_iommu_dev_flush_pasid_pages(pdom_dev_data->dev_data,
+ pdom_dev_data->pasid,
+ start, end - start);
+ }
+
+ spin_unlock_irqrestore(&sva_pdom->lock, flags);
+}
+
+static void sva_mn_release(struct mmu_notifier *mn, struct mm_struct *mm)
+{
+ struct pdom_dev_data *pdom_dev_data, *next;
+ struct protection_domain *sva_pdom;
+ unsigned long flags;
+
+ sva_pdom = container_of(mn, struct protection_domain, mn);
+
+ spin_lock_irqsave(&sva_pdom->lock, flags);
+
+ /* Assume dev_data_list contains same PASID with different devices */
+ for_each_pdom_dev_data_safe(pdom_dev_data, next, sva_pdom)
+ remove_dev_pasid(pdom_dev_data);
+
+ spin_unlock_irqrestore(&sva_pdom->lock, flags);
+}
+
+static const struct mmu_notifier_ops sva_mn = {
+ .arch_invalidate_secondary_tlbs = sva_arch_invalidate_secondary_tlbs,
+ .release = sva_mn_release,
+};
+
+int iommu_sva_set_dev_pasid(struct iommu_domain *domain,
+ struct device *dev, ioasid_t pasid)
+{
+ struct pdom_dev_data *pdom_dev_data;
+ struct protection_domain *sva_pdom = to_pdomain(domain);
+ struct iommu_dev_data *dev_data = dev_iommu_priv_get(dev);
+ unsigned long flags;
+ int ret = -EINVAL;
+
+ /* PASID zero is used for requests from the I/O device without PASID */
+ if (!is_pasid_valid(dev_data, pasid))
+ return ret;
+
+ /* Make sure PASID is enabled */
+ if (!is_pasid_enabled(dev_data))
+ return ret;
+
+ /* Add PASID to protection domain pasid list */
+ pdom_dev_data = kzalloc(sizeof(*pdom_dev_data), GFP_KERNEL);
+ if (pdom_dev_data == NULL)
+ return ret;
+
+ pdom_dev_data->pasid = pasid;
+ pdom_dev_data->dev_data = dev_data;
+
+ spin_lock_irqsave(&sva_pdom->lock, flags);
+
+ /* Setup GCR3 table */
+ ret = amd_iommu_set_gcr3(dev_data, pasid,
+ iommu_virt_to_phys(domain->mm->pgd));
+ if (ret) {
+ kfree(pdom_dev_data);
+ goto out_unlock;
+ }
+
+ list_add(&pdom_dev_data->list, &sva_pdom->dev_data_list);
+
+out_unlock:
+ spin_unlock_irqrestore(&sva_pdom->lock, flags);
+ return ret;
+}
+
+void amd_iommu_remove_dev_pasid(struct device *dev, ioasid_t pasid)
+{
+ struct protection_domain *sva_pdom;
+ struct iommu_domain *domain;
+ unsigned long flags;
+
+ if (!is_pasid_valid(dev_iommu_priv_get(dev), pasid))
+ return;
+
+ /* Get protection domain */
+ domain = iommu_get_domain_for_dev_pasid(dev, pasid, IOMMU_DOMAIN_SVA);
+ if (!domain)
+ return;
+ sva_pdom = to_pdomain(domain);
+
+ spin_lock_irqsave(&sva_pdom->lock, flags);
+
+ /* Remove PASID from dev_data_list */
+ remove_pdom_dev_pasid(sva_pdom, dev, pasid);
+
+ spin_unlock_irqrestore(&sva_pdom->lock, flags);
+}
+
+static void iommu_sva_domain_free(struct iommu_domain *domain)
+{
+ struct protection_domain *sva_pdom = to_pdomain(domain);
+
+ if (sva_pdom->mn.ops)
+ mmu_notifier_unregister(&sva_pdom->mn, domain->mm);
+
+ amd_iommu_domain_free(domain);
+}
+
+static const struct iommu_domain_ops amd_sva_domain_ops = {
+ .set_dev_pasid = iommu_sva_set_dev_pasid,
+ .free = iommu_sva_domain_free
+};
+
+struct iommu_domain *amd_iommu_domain_alloc_sva(struct device *dev,
+ struct mm_struct *mm)
+{
+ struct protection_domain *pdom;
+ int ret;
+
+ pdom = protection_domain_alloc(IOMMU_DOMAIN_SVA);
+ if (!pdom)
+ return ERR_PTR(-ENOMEM);
+
+ pdom->domain.ops = &amd_sva_domain_ops;
+ pdom->mn.ops = &sva_mn;
+
+ ret = mmu_notifier_register(&pdom->mn, mm);
+ if (ret) {
+ protection_domain_free(pdom);
+ return ERR_PTR(ret);
+ }
+
+ return &pdom->domain;
+}
diff --git a/drivers/iommu/amd/ppr.c b/drivers/iommu/amd/ppr.c
new file mode 100644
index 000000000000..091423bb8aac
--- /dev/null
+++ b/drivers/iommu/amd/ppr.c
@@ -0,0 +1,288 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2023 Advanced Micro Devices, Inc.
+ */
+
+#define pr_fmt(fmt) "AMD-Vi: " fmt
+#define dev_fmt(fmt) pr_fmt(fmt)
+
+#include <linux/amd-iommu.h>
+#include <linux/delay.h>
+#include <linux/mmu_notifier.h>
+
+#include <asm/iommu.h>
+
+#include "amd_iommu.h"
+#include "amd_iommu_types.h"
+
+#include "../iommu-pages.h"
+
+int __init amd_iommu_alloc_ppr_log(struct amd_iommu *iommu)
+{
+ iommu->ppr_log = iommu_alloc_4k_pages(iommu, GFP_KERNEL | __GFP_ZERO,
+ PPR_LOG_SIZE);
+ return iommu->ppr_log ? 0 : -ENOMEM;
+}
+
+void amd_iommu_enable_ppr_log(struct amd_iommu *iommu)
+{
+ u64 entry;
+
+ if (iommu->ppr_log == NULL)
+ return;
+
+ iommu_feature_enable(iommu, CONTROL_PPR_EN);
+
+ entry = iommu_virt_to_phys(iommu->ppr_log) | PPR_LOG_SIZE_512;
+
+ memcpy_toio(iommu->mmio_base + MMIO_PPR_LOG_OFFSET,
+ &entry, sizeof(entry));
+
+ /* set head and tail to zero manually */
+ writel(0x00, iommu->mmio_base + MMIO_PPR_HEAD_OFFSET);
+ writel(0x00, iommu->mmio_base + MMIO_PPR_TAIL_OFFSET);
+
+ iommu_feature_enable(iommu, CONTROL_PPRINT_EN);
+ iommu_feature_enable(iommu, CONTROL_PPRLOG_EN);
+}
+
+void __init amd_iommu_free_ppr_log(struct amd_iommu *iommu)
+{
+ iommu_free_pages(iommu->ppr_log, get_order(PPR_LOG_SIZE));
+}
+
+/*
+ * This function restarts ppr logging in case the IOMMU experienced
+ * PPR log overflow.
+ */
+void amd_iommu_restart_ppr_log(struct amd_iommu *iommu)
+{
+ amd_iommu_restart_log(iommu, "PPR", CONTROL_PPRINT_EN,
+ CONTROL_PPRLOG_EN, MMIO_STATUS_PPR_RUN_MASK,
+ MMIO_STATUS_PPR_OVERFLOW_MASK);
+}
+
+static inline u32 ppr_flag_to_fault_perm(u16 flag)
+{
+ int perm = 0;
+
+ if (flag & PPR_FLAG_READ)
+ perm |= IOMMU_FAULT_PERM_READ;
+ if (flag & PPR_FLAG_WRITE)
+ perm |= IOMMU_FAULT_PERM_WRITE;
+ if (flag & PPR_FLAG_EXEC)
+ perm |= IOMMU_FAULT_PERM_EXEC;
+ if (!(flag & PPR_FLAG_US))
+ perm |= IOMMU_FAULT_PERM_PRIV;
+
+ return perm;
+}
+
+static bool ppr_is_valid(struct amd_iommu *iommu, u64 *raw)
+{
+ struct device *dev = iommu->iommu.dev;
+ u16 devid = PPR_DEVID(raw[0]);
+
+ if (!(PPR_FLAGS(raw[0]) & PPR_FLAG_GN)) {
+ dev_dbg(dev, "PPR logged [Request ignored due to GN=0 (device=%04x:%02x:%02x.%x "
+ "pasid=0x%05llx address=0x%llx flags=0x%04llx tag=0x%03llx]\n",
+ iommu->pci_seg->id, PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ PPR_PASID(raw[0]), raw[1], PPR_FLAGS(raw[0]), PPR_TAG(raw[0]));
+ return false;
+ }
+
+ if (PPR_FLAGS(raw[0]) & PPR_FLAG_RVSD) {
+ dev_dbg(dev, "PPR logged [Invalid request format (device=%04x:%02x:%02x.%x "
+ "pasid=0x%05llx address=0x%llx flags=0x%04llx tag=0x%03llx]\n",
+ iommu->pci_seg->id, PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid),
+ PPR_PASID(raw[0]), raw[1], PPR_FLAGS(raw[0]), PPR_TAG(raw[0]));
+ return false;
+ }
+
+ return true;
+}
+
+static void iommu_call_iopf_notifier(struct amd_iommu *iommu, u64 *raw)
+{
+ struct iommu_dev_data *dev_data;
+ struct iopf_fault event;
+ struct pci_dev *pdev;
+ u16 devid = PPR_DEVID(raw[0]);
+
+ if (PPR_REQ_TYPE(raw[0]) != PPR_REQ_FAULT) {
+ pr_info_ratelimited("Unknown PPR request received\n");
+ return;
+ }
+
+ pdev = pci_get_domain_bus_and_slot(iommu->pci_seg->id,
+ PCI_BUS_NUM(devid), devid & 0xff);
+ if (!pdev)
+ return;
+
+ if (!ppr_is_valid(iommu, raw))
+ goto out;
+
+ memset(&event, 0, sizeof(struct iopf_fault));
+
+ event.fault.type = IOMMU_FAULT_PAGE_REQ;
+ event.fault.prm.perm = ppr_flag_to_fault_perm(PPR_FLAGS(raw[0]));
+ event.fault.prm.addr = (u64)(raw[1] & PAGE_MASK);
+ event.fault.prm.pasid = PPR_PASID(raw[0]);
+ event.fault.prm.grpid = PPR_TAG(raw[0]) & 0x1FF;
+
+ /*
+ * PASID zero is used for requests from the I/O device without
+ * a PASID
+ */
+ dev_data = dev_iommu_priv_get(&pdev->dev);
+ if (event.fault.prm.pasid == 0 ||
+ event.fault.prm.pasid >= dev_data->max_pasids) {
+ pr_info_ratelimited("Invalid PASID : 0x%x, device : 0x%x\n",
+ event.fault.prm.pasid, pdev->dev.id);
+ goto out;
+ }
+
+ event.fault.prm.flags |= IOMMU_FAULT_PAGE_RESPONSE_NEEDS_PASID;
+ event.fault.prm.flags |= IOMMU_FAULT_PAGE_REQUEST_PASID_VALID;
+ if (PPR_TAG(raw[0]) & 0x200)
+ event.fault.prm.flags |= IOMMU_FAULT_PAGE_REQUEST_LAST_PAGE;
+
+ /* Submit event */
+ iommu_report_device_fault(&pdev->dev, &event);
+
+ return;
+
+out:
+ /* Nobody cared, abort */
+ amd_iommu_complete_ppr(&pdev->dev, PPR_PASID(raw[0]),
+ IOMMU_PAGE_RESP_FAILURE,
+ PPR_TAG(raw[0]) & 0x1FF);
+}
+
+void amd_iommu_poll_ppr_log(struct amd_iommu *iommu)
+{
+ u32 head, tail;
+
+ if (iommu->ppr_log == NULL)
+ return;
+
+ head = readl(iommu->mmio_base + MMIO_PPR_HEAD_OFFSET);
+ tail = readl(iommu->mmio_base + MMIO_PPR_TAIL_OFFSET);
+
+ while (head != tail) {
+ volatile u64 *raw;
+ u64 entry[2];
+ int i;
+
+ raw = (u64 *)(iommu->ppr_log + head);
+
+ /*
+ * Hardware bug: Interrupt may arrive before the entry is
+ * written to memory. If this happens we need to wait for the
+ * entry to arrive.
+ */
+ for (i = 0; i < LOOP_TIMEOUT; ++i) {
+ if (PPR_REQ_TYPE(raw[0]) != 0)
+ break;
+ udelay(1);
+ }
+
+ /* Avoid memcpy function-call overhead */
+ entry[0] = raw[0];
+ entry[1] = raw[1];
+
+ /*
+ * To detect the hardware errata 733 we need to clear the
+ * entry back to zero. This issue does not exist on SNP
+ * enabled system. Also this buffer is not writeable on
+ * SNP enabled system.
+ */
+ if (!amd_iommu_snp_en)
+ raw[0] = raw[1] = 0UL;
+
+ /* Update head pointer of hardware ring-buffer */
+ head = (head + PPR_ENTRY_SIZE) % PPR_LOG_SIZE;
+ writel(head, iommu->mmio_base + MMIO_PPR_HEAD_OFFSET);
+
+ /* Handle PPR entry */
+ iommu_call_iopf_notifier(iommu, entry);
+ }
+}
+
+/**************************************************************
+ *
+ * IOPF handling stuff
+ */
+
+/* Setup per-IOMMU IOPF queue if not exist. */
+int amd_iommu_iopf_init(struct amd_iommu *iommu)
+{
+ int ret = 0;
+
+ if (iommu->iopf_queue)
+ return ret;
+
+ snprintf(iommu->iopfq_name, sizeof(iommu->iopfq_name),
+ "amdiommu-%#x-iopfq",
+ PCI_SEG_DEVID_TO_SBDF(iommu->pci_seg->id, iommu->devid));
+
+ iommu->iopf_queue = iopf_queue_alloc(iommu->iopfq_name);
+ if (!iommu->iopf_queue)
+ ret = -ENOMEM;
+
+ return ret;
+}
+
+/* Destroy per-IOMMU IOPF queue if no longer needed. */
+void amd_iommu_iopf_uninit(struct amd_iommu *iommu)
+{
+ iopf_queue_free(iommu->iopf_queue);
+ iommu->iopf_queue = NULL;
+}
+
+void amd_iommu_page_response(struct device *dev, struct iopf_fault *evt,
+ struct iommu_page_response *resp)
+{
+ amd_iommu_complete_ppr(dev, resp->pasid, resp->code, resp->grpid);
+}
+
+int amd_iommu_iopf_add_device(struct amd_iommu *iommu,
+ struct iommu_dev_data *dev_data)
+{
+ unsigned long flags;
+ int ret = 0;
+
+ if (!dev_data->pri_enabled)
+ return ret;
+
+ raw_spin_lock_irqsave(&iommu->lock, flags);
+
+ if (!iommu->iopf_queue) {
+ ret = -EINVAL;
+ goto out_unlock;
+ }
+
+ ret = iopf_queue_add_device(iommu->iopf_queue, dev_data->dev);
+ if (ret)
+ goto out_unlock;
+
+ dev_data->ppr = true;
+
+out_unlock:
+ raw_spin_unlock_irqrestore(&iommu->lock, flags);
+ return ret;
+}
+
+/* Its assumed that caller has verified that device was added to iopf queue */
+void amd_iommu_iopf_remove_device(struct amd_iommu *iommu,
+ struct iommu_dev_data *dev_data)
+{
+ unsigned long flags;
+
+ raw_spin_lock_irqsave(&iommu->lock, flags);
+
+ iopf_queue_remove_device(iommu->iopf_queue, dev_data->dev);
+ dev_data->ppr = false;
+
+ raw_spin_unlock_irqrestore(&iommu->lock, flags);
+}
diff --git a/drivers/iommu/iommu-sva.c b/drivers/iommu/iommu-sva.c
index 640acc804e8c..18a35e798b72 100644
--- a/drivers/iommu/iommu-sva.c
+++ b/drivers/iommu/iommu-sva.c
@@ -108,8 +108,8 @@ struct iommu_sva *iommu_sva_bind_device(struct device *dev, struct mm_struct *mm
/* Allocate a new domain and set it on device pasid. */
domain = iommu_sva_domain_alloc(dev, mm);
- if (!domain) {
- ret = -ENOMEM;
+ if (IS_ERR(domain)) {
+ ret = PTR_ERR(domain);
goto out_free_handle;
}
@@ -283,9 +283,15 @@ struct iommu_domain *iommu_sva_domain_alloc(struct device *dev,
const struct iommu_ops *ops = dev_iommu_ops(dev);
struct iommu_domain *domain;
- domain = ops->domain_alloc(IOMMU_DOMAIN_SVA);
- if (!domain)
- return NULL;
+ if (ops->domain_alloc_sva) {
+ domain = ops->domain_alloc_sva(dev, mm);
+ if (IS_ERR(domain))
+ return domain;
+ } else {
+ domain = ops->domain_alloc(IOMMU_DOMAIN_SVA);
+ if (!domain)
+ return ERR_PTR(-ENOMEM);
+ }
domain->type = IOMMU_DOMAIN_SVA;
mmgrab(mm);
diff --git a/drivers/iommu/iommufd/Kconfig b/drivers/iommu/iommufd/Kconfig
index 99d4b075df49..76656fe0470d 100644
--- a/drivers/iommu/iommufd/Kconfig
+++ b/drivers/iommu/iommufd/Kconfig
@@ -37,6 +37,7 @@ config IOMMUFD_TEST
depends on DEBUG_KERNEL
depends on FAULT_INJECTION
depends on RUNTIME_TESTING_MENU
+ select IOMMUFD_DRIVER
default n
help
This is dangerous, do not enable unless running
diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c
index 1a64364700eb..0ad2ff9065aa 100644
--- a/drivers/misc/cardreader/rtsx_pcr.c
+++ b/drivers/misc/cardreader/rtsx_pcr.c
@@ -1002,7 +1002,7 @@ static irqreturn_t rtsx_pci_isr(int irq, void *dev_id)
} else {
pcr->card_removed |= SD_EXIST;
pcr->card_inserted &= ~SD_EXIST;
- if (PCI_PID(pcr) == PID_5261) {
+ if ((PCI_PID(pcr) == PID_5261) || (PCI_PID(pcr) == PID_5264)) {
rtsx_pci_write_register(pcr, RTS5261_FW_STATUS,
RTS5261_EXPRESS_LINK_FAIL_MASK, 0);
pcr->extra_caps |= EXTRA_CAPS_SD_EXPRESS;
diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c
index b5757993c9b2..c39718042e2e 100644
--- a/drivers/misc/mei/pci-me.c
+++ b/drivers/misc/mei/pci-me.c
@@ -116,7 +116,7 @@ static const struct pci_device_id mei_me_pci_tbl[] = {
{MEI_PCI_DEVICE(MEI_DEV_ID_ADP_P, MEI_ME_PCH15_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_ADP_N, MEI_ME_PCH15_CFG)},
- {MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_CFG)},
+ {MEI_PCI_DEVICE(MEI_DEV_ID_RPL_S, MEI_ME_PCH15_SPS_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_MTL_M, MEI_ME_PCH15_CFG)},
{MEI_PCI_DEVICE(MEI_DEV_ID_ARL_S, MEI_ME_PCH15_CFG)},
diff --git a/drivers/misc/mei/platform-vsc.c b/drivers/misc/mei/platform-vsc.c
index 6c9f00bcb94b..b543e6b9f3cf 100644
--- a/drivers/misc/mei/platform-vsc.c
+++ b/drivers/misc/mei/platform-vsc.c
@@ -400,25 +400,40 @@ static void mei_vsc_remove(struct platform_device *pdev)
static int mei_vsc_suspend(struct device *dev)
{
struct mei_device *mei_dev = dev_get_drvdata(dev);
+ struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);
mei_stop(mei_dev);
+ mei_disable_interrupts(mei_dev);
+
+ vsc_tp_free_irq(hw->tp);
+
return 0;
}
static int mei_vsc_resume(struct device *dev)
{
struct mei_device *mei_dev = dev_get_drvdata(dev);
+ struct mei_vsc_hw *hw = mei_dev_to_vsc_hw(mei_dev);
int ret;
- ret = mei_restart(mei_dev);
+ ret = vsc_tp_request_irq(hw->tp);
if (ret)
return ret;
+ ret = mei_restart(mei_dev);
+ if (ret)
+ goto err_free;
+
/* start timer if stopped in suspend */
schedule_delayed_work(&mei_dev->timer_work, HZ);
return 0;
+
+err_free:
+ vsc_tp_free_irq(hw->tp);
+
+ return ret;
}
static DEFINE_SIMPLE_DEV_PM_OPS(mei_vsc_pm_ops, mei_vsc_suspend, mei_vsc_resume);
diff --git a/drivers/misc/mei/vsc-tp.c b/drivers/misc/mei/vsc-tp.c
index ecfb70cd057c..e6a98dba8a73 100644
--- a/drivers/misc/mei/vsc-tp.c
+++ b/drivers/misc/mei/vsc-tp.c
@@ -94,6 +94,27 @@ static const struct acpi_gpio_mapping vsc_tp_acpi_gpios[] = {
{}
};
+static irqreturn_t vsc_tp_isr(int irq, void *data)
+{
+ struct vsc_tp *tp = data;
+
+ atomic_inc(&tp->assert_cnt);
+
+ wake_up(&tp->xfer_wait);
+
+ return IRQ_WAKE_THREAD;
+}
+
+static irqreturn_t vsc_tp_thread_isr(int irq, void *data)
+{
+ struct vsc_tp *tp = data;
+
+ if (tp->event_notify)
+ tp->event_notify(tp->event_notify_context);
+
+ return IRQ_HANDLED;
+}
+
/* wakeup firmware and wait for response */
static int vsc_tp_wakeup_request(struct vsc_tp *tp)
{
@@ -384,6 +405,37 @@ int vsc_tp_register_event_cb(struct vsc_tp *tp, vsc_tp_event_cb_t event_cb,
EXPORT_SYMBOL_NS_GPL(vsc_tp_register_event_cb, VSC_TP);
/**
+ * vsc_tp_request_irq - request irq for vsc_tp device
+ * @tp: vsc_tp device handle
+ */
+int vsc_tp_request_irq(struct vsc_tp *tp)
+{
+ struct spi_device *spi = tp->spi;
+ struct device *dev = &spi->dev;
+ int ret;
+
+ irq_set_status_flags(spi->irq, IRQ_DISABLE_UNLAZY);
+ ret = request_threaded_irq(spi->irq, vsc_tp_isr, vsc_tp_thread_isr,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ dev_name(dev), tp);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+EXPORT_SYMBOL_NS_GPL(vsc_tp_request_irq, VSC_TP);
+
+/**
+ * vsc_tp_free_irq - free irq for vsc_tp device
+ * @tp: vsc_tp device handle
+ */
+void vsc_tp_free_irq(struct vsc_tp *tp)
+{
+ free_irq(tp->spi->irq, tp);
+}
+EXPORT_SYMBOL_NS_GPL(vsc_tp_free_irq, VSC_TP);
+
+/**
* vsc_tp_intr_synchronize - synchronize vsc_tp interrupt
* @tp: vsc_tp device handle
*/
@@ -413,27 +465,6 @@ void vsc_tp_intr_disable(struct vsc_tp *tp)
}
EXPORT_SYMBOL_NS_GPL(vsc_tp_intr_disable, VSC_TP);
-static irqreturn_t vsc_tp_isr(int irq, void *data)
-{
- struct vsc_tp *tp = data;
-
- atomic_inc(&tp->assert_cnt);
-
- return IRQ_WAKE_THREAD;
-}
-
-static irqreturn_t vsc_tp_thread_isr(int irq, void *data)
-{
- struct vsc_tp *tp = data;
-
- wake_up(&tp->xfer_wait);
-
- if (tp->event_notify)
- tp->event_notify(tp->event_notify_context);
-
- return IRQ_HANDLED;
-}
-
static int vsc_tp_match_any(struct acpi_device *adev, void *data)
{
struct acpi_device **__adev = data;
@@ -490,10 +521,9 @@ static int vsc_tp_probe(struct spi_device *spi)
tp->spi = spi;
irq_set_status_flags(spi->irq, IRQ_DISABLE_UNLAZY);
- ret = devm_request_threaded_irq(dev, spi->irq, vsc_tp_isr,
- vsc_tp_thread_isr,
- IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- dev_name(dev), tp);
+ ret = request_threaded_irq(spi->irq, vsc_tp_isr, vsc_tp_thread_isr,
+ IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+ dev_name(dev), tp);
if (ret)
return ret;
@@ -522,6 +552,8 @@ static int vsc_tp_probe(struct spi_device *spi)
err_destroy_lock:
mutex_destroy(&tp->mutex);
+ free_irq(spi->irq, tp);
+
return ret;
}
@@ -532,6 +564,8 @@ static void vsc_tp_remove(struct spi_device *spi)
platform_device_unregister(tp->pdev);
mutex_destroy(&tp->mutex);
+
+ free_irq(spi->irq, tp);
}
static const struct acpi_device_id vsc_tp_acpi_ids[] = {
diff --git a/drivers/misc/mei/vsc-tp.h b/drivers/misc/mei/vsc-tp.h
index f9513ddc3e40..14ca195cbddc 100644
--- a/drivers/misc/mei/vsc-tp.h
+++ b/drivers/misc/mei/vsc-tp.h
@@ -37,6 +37,9 @@ int vsc_tp_xfer(struct vsc_tp *tp, u8 cmd, const void *obuf, size_t olen,
int vsc_tp_register_event_cb(struct vsc_tp *tp, vsc_tp_event_cb_t event_cb,
void *context);
+int vsc_tp_request_irq(struct vsc_tp *tp);
+void vsc_tp_free_irq(struct vsc_tp *tp);
+
void vsc_tp_intr_enable(struct vsc_tp *tp);
void vsc_tp_intr_disable(struct vsc_tp *tp);
void vsc_tp_intr_synchronize(struct vsc_tp *tp);
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index c0d0bce0b594..8090390edaf9 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1883,14 +1883,16 @@ mt7530_port_vlan_del(struct dsa_switch *ds, int port,
static int mt753x_mirror_port_get(unsigned int id, u32 val)
{
- return (id == ID_MT7531) ? MT7531_MIRROR_PORT_GET(val) :
- MIRROR_PORT(val);
+ return (id == ID_MT7531 || id == ID_MT7988) ?
+ MT7531_MIRROR_PORT_GET(val) :
+ MIRROR_PORT(val);
}
static int mt753x_mirror_port_set(unsigned int id, u32 val)
{
- return (id == ID_MT7531) ? MT7531_MIRROR_PORT_SET(val) :
- MIRROR_PORT(val);
+ return (id == ID_MT7531 || id == ID_MT7988) ?
+ MT7531_MIRROR_PORT_SET(val) :
+ MIRROR_PORT(val);
}
static int mt753x_port_mirror_add(struct dsa_switch *ds, int port,
@@ -2480,6 +2482,9 @@ mt7530_setup(struct dsa_switch *ds)
PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT));
}
+ /* Allow mirroring frames received on the local port (monitor port). */
+ mt7530_set(priv, MT753X_AGC, LOCAL_EN);
+
/* Setup VLAN ID 0 for VLAN-unaware bridges */
ret = mt7530_setup_vlan0(priv);
if (ret)
@@ -2591,6 +2596,9 @@ mt7531_setup_common(struct dsa_switch *ds)
PVC_EG_TAG(MT7530_VLAN_EG_CONSISTENT));
}
+ /* Allow mirroring frames received on the local port (monitor port). */
+ mt7530_set(priv, MT753X_AGC, LOCAL_EN);
+
/* Flush the FDB table */
ret = mt7530_fdb_cmd(priv, MT7530_FDB_FLUSH, NULL);
if (ret < 0)
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 585db03c0548..a08053390b28 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -32,6 +32,10 @@ enum mt753x_id {
#define SYSC_REG_RSTCTRL 0x34
#define RESET_MCM BIT(2)
+/* Register for ARL global control */
+#define MT753X_AGC 0xc
+#define LOCAL_EN BIT(7)
+
/* Registers to mac forward control for unknown frames */
#define MT7530_MFC 0x10
#define BC_FFP(x) (((x) & 0xff) << 24)
diff --git a/drivers/net/ethernet/intel/ice/ice_tc_lib.c b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
index b890410a2bc0..688ccb0615ab 100644
--- a/drivers/net/ethernet/intel/ice/ice_tc_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_tc_lib.c
@@ -28,6 +28,8 @@ ice_tc_count_lkups(u32 flags, struct ice_tc_flower_lyr_2_4_hdrs *headers,
* - ICE_TC_FLWR_FIELD_VLAN_TPID (present if specified)
* - Tunnel flag (present if tunnel)
*/
+ if (fltr->direction == ICE_ESWITCH_FLTR_EGRESS)
+ lkups_cnt++;
if (flags & ICE_TC_FLWR_FIELD_TENANT_ID)
lkups_cnt++;
@@ -363,6 +365,11 @@ ice_tc_fill_rules(struct ice_hw *hw, u32 flags,
/* Always add direction metadata */
ice_rule_add_direction_metadata(&list[ICE_TC_METADATA_LKUP_IDX]);
+ if (tc_fltr->direction == ICE_ESWITCH_FLTR_EGRESS) {
+ ice_rule_add_src_vsi_metadata(&list[i]);
+ i++;
+ }
+
rule_info->tun_type = ice_sw_type_from_tunnel(tc_fltr->tunnel_type);
if (tc_fltr->tunnel_type != TNL_LAST) {
i = ice_tc_fill_tunnel_outer(flags, tc_fltr, list, i);
@@ -772,7 +779,7 @@ ice_eswitch_add_tc_fltr(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr)
int ret;
int i;
- if (!flags || (flags & ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT)) {
+ if (flags & ICE_TC_FLWR_FIELD_ENC_SRC_L4_PORT) {
NL_SET_ERR_MSG_MOD(fltr->extack, "Unsupported encap field(s)");
return -EOPNOTSUPP;
}
@@ -820,6 +827,7 @@ ice_eswitch_add_tc_fltr(struct ice_vsi *vsi, struct ice_tc_flower_fltr *fltr)
/* specify the cookie as filter_rule_id */
rule_info.fltr_rule_id = fltr->cookie;
+ rule_info.src_vsi = vsi->idx;
ret = ice_add_adv_rule(hw, list, lkups_cnt, &rule_info, &rule_added);
if (ret == -EEXIST) {
@@ -1481,7 +1489,10 @@ ice_parse_cls_flower(struct net_device *filter_dev, struct ice_vsi *vsi,
(BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) |
BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) |
BIT_ULL(FLOW_DISSECTOR_KEY_ENC_KEYID) |
- BIT_ULL(FLOW_DISSECTOR_KEY_ENC_PORTS))) {
+ BIT_ULL(FLOW_DISSECTOR_KEY_ENC_PORTS) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_ENC_IP) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_ENC_OPTS) |
+ BIT_ULL(FLOW_DISSECTOR_KEY_ENC_CONTROL))) {
NL_SET_ERR_MSG_MOD(fltr->extack, "Tunnel key used, but device isn't a tunnel");
return -EOPNOTSUPP;
} else {
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
index 87bdb93cb066..f4655a8c0705 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c
@@ -689,6 +689,7 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node,
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_CONTROL)) {
struct flow_match_control match;
+ u32 val;
flow_rule_match_control(rule, &match);
if (match.mask->flags & FLOW_DIS_FIRST_FRAG) {
@@ -697,12 +698,14 @@ static int otx2_tc_prepare_flow(struct otx2_nic *nic, struct otx2_tc_flow *node,
}
if (match.mask->flags & FLOW_DIS_IS_FRAGMENT) {
+ val = match.key->flags & FLOW_DIS_IS_FRAGMENT;
if (ntohs(flow_spec->etype) == ETH_P_IP) {
- flow_spec->ip_flag = IPV4_FLAG_MORE;
+ flow_spec->ip_flag = val ? IPV4_FLAG_MORE : 0;
flow_mask->ip_flag = IPV4_FLAG_MORE;
req->features |= BIT_ULL(NPC_IPFRAG_IPV4);
} else if (ntohs(flow_spec->etype) == ETH_P_IPV6) {
- flow_spec->next_header = IPPROTO_FRAGMENT;
+ flow_spec->next_header = val ?
+ IPPROTO_FRAGMENT : 0;
flow_mask->next_header = 0xff;
req->features |= BIT_ULL(NPC_IPFRAG_IPV6);
} else {
diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c
index c895e265ae0e..61334a71058c 100644
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -1074,13 +1074,13 @@ mtk_wed_dma_disable(struct mtk_wed_device *dev)
static void
mtk_wed_stop(struct mtk_wed_device *dev)
{
+ mtk_wed_dma_disable(dev);
mtk_wed_set_ext_int(dev, false);
wed_w32(dev, MTK_WED_WPDMA_INT_TRIGGER, 0);
wed_w32(dev, MTK_WED_WDMA_INT_TRIGGER, 0);
wdma_w32(dev, MTK_WDMA_INT_MASK, 0);
wdma_w32(dev, MTK_WDMA_INT_GRP2, 0);
- wed_w32(dev, MTK_WED_WPDMA_INT_MASK, 0);
if (!mtk_wed_get_rx_capa(dev))
return;
@@ -1093,7 +1093,6 @@ static void
mtk_wed_deinit(struct mtk_wed_device *dev)
{
mtk_wed_stop(dev);
- mtk_wed_dma_disable(dev);
wed_clr(dev, MTK_WED_CTRL,
MTK_WED_CTRL_WDMA_INT_AGENT_EN |
@@ -2605,9 +2604,6 @@ mtk_wed_irq_get(struct mtk_wed_device *dev, u32 mask)
static void
mtk_wed_irq_set_mask(struct mtk_wed_device *dev, u32 mask)
{
- if (!dev->running)
- return;
-
mtk_wed_set_ext_int(dev, !!mask);
wed_w32(dev, MTK_WED_INT_MASK, mask);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
index 0ab9db319530..22918b2ef7f1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/reporter_tx.c
@@ -108,7 +108,10 @@ static int mlx5e_tx_reporter_err_cqe_recover(void *ctx)
mlx5e_reset_txqsq_cc_pc(sq);
sq->stats->recover++;
clear_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state);
+ rtnl_lock();
mlx5e_activate_txqsq(sq);
+ rtnl_unlock();
+
if (sq->channel)
mlx5e_trigger_napi_icosq(sq->channel);
else
@@ -179,12 +182,16 @@ static int mlx5e_tx_reporter_ptpsq_unhealthy_recover(void *ctx)
carrier_ok = netif_carrier_ok(netdev);
netif_carrier_off(netdev);
+ rtnl_lock();
mlx5e_deactivate_priv_channels(priv);
+ rtnl_unlock();
mlx5e_ptp_close(chs->ptp);
err = mlx5e_ptp_open(priv, &chs->params, chs->c[0]->lag_port, &chs->ptp);
+ rtnl_lock();
mlx5e_activate_priv_channels(priv);
+ rtnl_unlock();
/* return carrier back if needed */
if (carrier_ok)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
index c7f542d0b8f0..93cf23278d93 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
@@ -46,6 +46,10 @@ struct arfs_table {
struct hlist_head rules_hash[ARFS_HASH_SIZE];
};
+enum {
+ MLX5E_ARFS_STATE_ENABLED,
+};
+
enum arfs_type {
ARFS_IPV4_TCP,
ARFS_IPV6_TCP,
@@ -60,6 +64,7 @@ struct mlx5e_arfs_tables {
spinlock_t arfs_lock;
int last_filter_id;
struct workqueue_struct *wq;
+ unsigned long state;
};
struct arfs_tuple {
@@ -170,6 +175,8 @@ int mlx5e_arfs_enable(struct mlx5e_flow_steering *fs)
return err;
}
}
+ set_bit(MLX5E_ARFS_STATE_ENABLED, &arfs->state);
+
return 0;
}
@@ -455,6 +462,8 @@ static void arfs_del_rules(struct mlx5e_flow_steering *fs)
int i;
int j;
+ clear_bit(MLX5E_ARFS_STATE_ENABLED, &arfs->state);
+
spin_lock_bh(&arfs->arfs_lock);
mlx5e_for_each_arfs_rule(rule, htmp, arfs->arfs_tables, i, j) {
hlist_del_init(&rule->hlist);
@@ -627,17 +636,8 @@ static void arfs_handle_work(struct work_struct *work)
struct mlx5_flow_handle *rule;
arfs = mlx5e_fs_get_arfs(priv->fs);
- mutex_lock(&priv->state_lock);
- if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) {
- spin_lock_bh(&arfs->arfs_lock);
- hlist_del(&arfs_rule->hlist);
- spin_unlock_bh(&arfs->arfs_lock);
-
- mutex_unlock(&priv->state_lock);
- kfree(arfs_rule);
- goto out;
- }
- mutex_unlock(&priv->state_lock);
+ if (!test_bit(MLX5E_ARFS_STATE_ENABLED, &arfs->state))
+ return;
if (!arfs_rule->rule) {
rule = arfs_add_rule(priv, arfs_rule);
@@ -753,6 +753,11 @@ int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
return -EPROTONOSUPPORT;
spin_lock_bh(&arfs->arfs_lock);
+ if (!test_bit(MLX5E_ARFS_STATE_ENABLED, &arfs->state)) {
+ spin_unlock_bh(&arfs->arfs_lock);
+ return -EPERM;
+ }
+
arfs_rule = arfs_find_rule(arfs_t, &fk);
if (arfs_rule) {
if (arfs_rule->rxq == rxq_index || work_busy(&arfs_rule->arfs_work)) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 8f101181648c..67a29826bb57 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -589,12 +589,12 @@ static int mlx5e_get_coalesce(struct net_device *netdev,
static void
mlx5e_set_priv_channels_tx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
{
- struct mlx5_core_dev *mdev = priv->mdev;
int tc;
int i;
for (i = 0; i < priv->channels.num; ++i) {
struct mlx5e_channel *c = priv->channels.c[i];
+ struct mlx5_core_dev *mdev = c->mdev;
for (tc = 0; tc < c->num_tc; tc++) {
mlx5_core_modify_cq_moderation(mdev,
@@ -608,11 +608,11 @@ mlx5e_set_priv_channels_tx_coalesce(struct mlx5e_priv *priv, struct ethtool_coal
static void
mlx5e_set_priv_channels_rx_coalesce(struct mlx5e_priv *priv, struct ethtool_coalesce *coal)
{
- struct mlx5_core_dev *mdev = priv->mdev;
int i;
for (i = 0; i < priv->channels.num; ++i) {
struct mlx5e_channel *c = priv->channels.c[i];
+ struct mlx5_core_dev *mdev = c->mdev;
mlx5_core_modify_cq_moderation(mdev, &c->rq.cq.mcq,
coal->rx_coalesce_usecs,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index b375ef268671..319930c04093 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -209,8 +209,8 @@ static int mlx5e_devcom_init_mpv(struct mlx5e_priv *priv, u64 *data)
*data,
mlx5e_devcom_event_mpv,
priv);
- if (IS_ERR_OR_NULL(priv->devcom))
- return -EOPNOTSUPP;
+ if (IS_ERR(priv->devcom))
+ return PTR_ERR(priv->devcom);
if (mlx5_core_is_mp_master(priv->mdev)) {
mlx5_devcom_send_event(priv->devcom, MPV_DEVCOM_MASTER_UP,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
index 1f60954c12f7..844d3e3a65dd 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
@@ -3060,7 +3060,7 @@ void mlx5_esw_offloads_devcom_init(struct mlx5_eswitch *esw, u64 key)
key,
mlx5_esw_offloads_devcom_event,
esw);
- if (IS_ERR_OR_NULL(esw->devcom))
+ if (IS_ERR(esw->devcom))
return;
mlx5_devcom_send_event(esw->devcom,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
index d14459e5c04f..69d482f7c5a2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/lag.c
@@ -703,8 +703,10 @@ int mlx5_deactivate_lag(struct mlx5_lag *ldev)
return err;
}
- if (test_bit(MLX5_LAG_MODE_FLAG_HASH_BASED, &flags))
+ if (test_bit(MLX5_LAG_MODE_FLAG_HASH_BASED, &flags)) {
mlx5_lag_port_sel_destroy(ldev);
+ ldev->buckets = 1;
+ }
if (mlx5_lag_has_drop_rule(ldev))
mlx5_lag_drop_rule_cleanup(ldev);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
index e7d59cfa8708..7b0766c89f4c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/devcom.c
@@ -220,7 +220,7 @@ mlx5_devcom_register_component(struct mlx5_devcom_dev *devc,
struct mlx5_devcom_comp *comp;
if (IS_ERR_OR_NULL(devc))
- return NULL;
+ return ERR_PTR(-EINVAL);
mutex_lock(&comp_list_lock);
comp = devcom_component_get(devc, id, key, handler);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
index 5b28084e8a03..dd5d186dc614 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/sd.c
@@ -213,8 +213,8 @@ static int sd_register(struct mlx5_core_dev *dev)
sd = mlx5_get_sd(dev);
devcom = mlx5_devcom_register_component(dev->priv.devc, MLX5_DEVCOM_SD_GROUP,
sd->group_id, NULL, dev);
- if (!devcom)
- return -ENOMEM;
+ if (IS_ERR(devcom))
+ return PTR_ERR(devcom);
sd->devcom = devcom;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 59806553889e..331ce47f51a1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -956,7 +956,7 @@ static void mlx5_register_hca_devcom_comp(struct mlx5_core_dev *dev)
mlx5_devcom_register_component(dev->priv.devc, MLX5_DEVCOM_HCA_PORTS,
mlx5_query_nic_system_image_guid(dev),
NULL, dev);
- if (IS_ERR_OR_NULL(dev->priv.hca_devcom_comp))
+ if (IS_ERR(dev->priv.hca_devcom_comp))
mlx5_core_err(dev, "Failed to register devcom HCA component\n");
}
@@ -1699,12 +1699,15 @@ int mlx5_init_one_light(struct mlx5_core_dev *dev)
err = mlx5_devlink_params_register(priv_to_devlink(dev));
if (err) {
mlx5_core_warn(dev, "mlx5_devlink_param_reg err = %d\n", err);
- goto query_hca_caps_err;
+ goto params_reg_err;
}
devl_unlock(devlink);
return 0;
+params_reg_err:
+ devl_unregister(devlink);
+ devl_unlock(devlink);
query_hca_caps_err:
devl_unregister(devlink);
devl_unlock(devlink);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
index e3bf8c7e4baa..7ebe71280827 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/sf/dev/driver.c
@@ -75,7 +75,6 @@ static int mlx5_sf_dev_probe(struct auxiliary_device *adev, const struct auxilia
goto peer_devlink_set_err;
}
- devlink_register(devlink);
return 0;
peer_devlink_set_err:
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
index 523e0c470894..55f255a3c9db 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_tc_flower.c
@@ -36,6 +36,27 @@ struct sparx5_tc_flower_template {
u16 l3_proto; /* protocol specified in the template */
};
+/* SparX-5 VCAP fragment types:
+ * 0 = no fragment, 1 = initial fragment,
+ * 2 = suspicious fragment, 3 = valid follow-up fragment
+ */
+enum { /* key / mask */
+ FRAG_NOT = 0x03, /* 0 / 3 */
+ FRAG_SOME = 0x11, /* 1 / 1 */
+ FRAG_FIRST = 0x13, /* 1 / 3 */
+ FRAG_LATER = 0x33, /* 3 / 3 */
+ FRAG_INVAL = 0xff, /* invalid */
+};
+
+/* Flower fragment flag to VCAP fragment type mapping */
+static const u8 sparx5_vcap_frag_map[4][4] = { /* is_frag */
+ { FRAG_INVAL, FRAG_INVAL, FRAG_INVAL, FRAG_FIRST }, /* 0/0 */
+ { FRAG_NOT, FRAG_NOT, FRAG_INVAL, FRAG_INVAL }, /* 0/1 */
+ { FRAG_INVAL, FRAG_INVAL, FRAG_INVAL, FRAG_INVAL }, /* 1/0 */
+ { FRAG_SOME, FRAG_LATER, FRAG_INVAL, FRAG_FIRST } /* 1/1 */
+ /* 0/0 0/1 1/0 1/1 <-- first_frag */
+};
+
static int
sparx5_tc_flower_es0_tpid(struct vcap_tc_flower_parse_usage *st)
{
@@ -145,29 +166,27 @@ sparx5_tc_flower_handler_control_usage(struct vcap_tc_flower_parse_usage *st)
flow_rule_match_control(st->frule, &mt);
if (mt.mask->flags) {
- if (mt.mask->flags & FLOW_DIS_FIRST_FRAG) {
- if (mt.key->flags & FLOW_DIS_FIRST_FRAG) {
- value = 1; /* initial fragment */
- mask = 0x3;
- } else {
- if (mt.mask->flags & FLOW_DIS_IS_FRAGMENT) {
- value = 3; /* follow up fragment */
- mask = 0x3;
- } else {
- value = 0; /* no fragment */
- mask = 0x3;
- }
- }
- } else {
- if (mt.mask->flags & FLOW_DIS_IS_FRAGMENT) {
- value = 3; /* follow up fragment */
- mask = 0x3;
- } else {
- value = 0; /* no fragment */
- mask = 0x3;
- }
+ u8 is_frag_key = !!(mt.key->flags & FLOW_DIS_IS_FRAGMENT);
+ u8 is_frag_mask = !!(mt.mask->flags & FLOW_DIS_IS_FRAGMENT);
+ u8 is_frag_idx = (is_frag_key << 1) | is_frag_mask;
+
+ u8 first_frag_key = !!(mt.key->flags & FLOW_DIS_FIRST_FRAG);
+ u8 first_frag_mask = !!(mt.mask->flags & FLOW_DIS_FIRST_FRAG);
+ u8 first_frag_idx = (first_frag_key << 1) | first_frag_mask;
+
+ /* Lookup verdict based on the 2 + 2 input bits */
+ u8 vdt = sparx5_vcap_frag_map[is_frag_idx][first_frag_idx];
+
+ if (vdt == FRAG_INVAL) {
+ NL_SET_ERR_MSG_MOD(st->fco->common.extack,
+ "Match on invalid fragment flag combination");
+ return -EINVAL;
}
+ /* Extract VCAP fragment key and mask from verdict */
+ value = (vdt >> 4) & 0x3;
+ mask = vdt & 0x3;
+
err = vcap_rule_add_key_u32(st->vrule,
VCAP_KF_L3_FRAGMENT_TYPE,
value, mask);
diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c
index ba01c8cc3c90..fcb756d77681 100644
--- a/drivers/net/ethernet/renesas/ravb_main.c
+++ b/drivers/net/ethernet/renesas/ravb_main.c
@@ -769,25 +769,28 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
dma_addr_t dma_addr;
int rx_packets = 0;
u8 desc_status;
- u16 pkt_len;
+ u16 desc_len;
u8 die_dt;
int entry;
int limit;
int i;
- entry = priv->cur_rx[q] % priv->num_rx_ring[q];
limit = priv->dirty_rx[q] + priv->num_rx_ring[q] - priv->cur_rx[q];
stats = &priv->stats[q];
- desc = &priv->rx_ring[q].desc[entry];
- for (i = 0; i < limit && rx_packets < *quota && desc->die_dt != DT_FEMPTY; i++) {
+ for (i = 0; i < limit; i++, priv->cur_rx[q]++) {
+ entry = priv->cur_rx[q] % priv->num_rx_ring[q];
+ desc = &priv->rx_ring[q].desc[entry];
+ if (rx_packets == *quota || desc->die_dt == DT_FEMPTY)
+ break;
+
/* Descriptor type must be checked before all other reads */
dma_rmb();
desc_status = desc->msc;
- pkt_len = le16_to_cpu(desc->ds_cc) & RX_DS;
+ desc_len = le16_to_cpu(desc->ds_cc) & RX_DS;
/* We use 0-byte descriptors to mark the DMA mapping errors */
- if (!pkt_len)
+ if (!desc_len)
continue;
if (desc_status & MSC_MC)
@@ -808,25 +811,25 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
switch (die_dt) {
case DT_FSINGLE:
skb = ravb_get_skb_gbeth(ndev, entry, desc);
- skb_put(skb, pkt_len);
+ skb_put(skb, desc_len);
skb->protocol = eth_type_trans(skb, ndev);
if (ndev->features & NETIF_F_RXCSUM)
ravb_rx_csum_gbeth(skb);
napi_gro_receive(&priv->napi[q], skb);
rx_packets++;
- stats->rx_bytes += pkt_len;
+ stats->rx_bytes += desc_len;
break;
case DT_FSTART:
priv->rx_1st_skb = ravb_get_skb_gbeth(ndev, entry, desc);
- skb_put(priv->rx_1st_skb, pkt_len);
+ skb_put(priv->rx_1st_skb, desc_len);
break;
case DT_FMID:
skb = ravb_get_skb_gbeth(ndev, entry, desc);
skb_copy_to_linear_data_offset(priv->rx_1st_skb,
priv->rx_1st_skb->len,
skb->data,
- pkt_len);
- skb_put(priv->rx_1st_skb, pkt_len);
+ desc_len);
+ skb_put(priv->rx_1st_skb, desc_len);
dev_kfree_skb(skb);
break;
case DT_FEND:
@@ -834,23 +837,20 @@ static bool ravb_rx_gbeth(struct net_device *ndev, int *quota, int q)
skb_copy_to_linear_data_offset(priv->rx_1st_skb,
priv->rx_1st_skb->len,
skb->data,
- pkt_len);
- skb_put(priv->rx_1st_skb, pkt_len);
+ desc_len);
+ skb_put(priv->rx_1st_skb, desc_len);
dev_kfree_skb(skb);
priv->rx_1st_skb->protocol =
eth_type_trans(priv->rx_1st_skb, ndev);
if (ndev->features & NETIF_F_RXCSUM)
- ravb_rx_csum_gbeth(skb);
+ ravb_rx_csum_gbeth(priv->rx_1st_skb);
+ stats->rx_bytes += priv->rx_1st_skb->len;
napi_gro_receive(&priv->napi[q],
priv->rx_1st_skb);
rx_packets++;
- stats->rx_bytes += pkt_len;
break;
}
}
-
- entry = (++priv->cur_rx[q]) % priv->num_rx_ring[q];
- desc = &priv->rx_ring[q].desc[entry];
}
/* Refill the RX ring buffers. */
@@ -891,30 +891,29 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
{
struct ravb_private *priv = netdev_priv(ndev);
const struct ravb_hw_info *info = priv->info;
- int entry = priv->cur_rx[q] % priv->num_rx_ring[q];
- int boguscnt = (priv->dirty_rx[q] + priv->num_rx_ring[q]) -
- priv->cur_rx[q];
struct net_device_stats *stats = &priv->stats[q];
struct ravb_ex_rx_desc *desc;
+ unsigned int limit, i;
struct sk_buff *skb;
dma_addr_t dma_addr;
struct timespec64 ts;
+ int rx_packets = 0;
u8 desc_status;
u16 pkt_len;
- int limit;
+ int entry;
+
+ limit = priv->dirty_rx[q] + priv->num_rx_ring[q] - priv->cur_rx[q];
+ for (i = 0; i < limit; i++, priv->cur_rx[q]++) {
+ entry = priv->cur_rx[q] % priv->num_rx_ring[q];
+ desc = &priv->rx_ring[q].ex_desc[entry];
+ if (rx_packets == *quota || desc->die_dt == DT_FEMPTY)
+ break;
- boguscnt = min(boguscnt, *quota);
- limit = boguscnt;
- desc = &priv->rx_ring[q].ex_desc[entry];
- while (desc->die_dt != DT_FEMPTY) {
/* Descriptor type must be checked before all other reads */
dma_rmb();
desc_status = desc->msc;
pkt_len = le16_to_cpu(desc->ds_cc) & RX_DS;
- if (--boguscnt < 0)
- break;
-
/* We use 0-byte descriptors to mark the DMA mapping errors */
if (!pkt_len)
continue;
@@ -960,12 +959,9 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
if (ndev->features & NETIF_F_RXCSUM)
ravb_rx_csum(skb);
napi_gro_receive(&priv->napi[q], skb);
- stats->rx_packets++;
+ rx_packets++;
stats->rx_bytes += pkt_len;
}
-
- entry = (++priv->cur_rx[q]) % priv->num_rx_ring[q];
- desc = &priv->rx_ring[q].ex_desc[entry];
}
/* Refill the RX ring buffers. */
@@ -995,9 +991,9 @@ static bool ravb_rx_rcar(struct net_device *ndev, int *quota, int q)
desc->die_dt = DT_FEMPTY;
}
- *quota -= limit - (++boguscnt);
-
- return boguscnt <= 0;
+ stats->rx_packets += rx_packets;
+ *quota -= rx_packets;
+ return *quota == 0;
}
/* Packet receive function for Ethernet AVB */
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index a6fefe675ef1..3b7d4ac1e7be 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -553,6 +553,7 @@ extern const struct stmmac_hwtimestamp stmmac_ptp;
extern const struct stmmac_mode_ops dwmac4_ring_mode_ops;
struct mac_link {
+ u32 caps;
u32 speed_mask;
u32 speed10;
u32 speed100;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
index b21d99faa2d0..e1b761dcfa1d 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -1096,6 +1096,8 @@ static struct mac_device_info *sun8i_dwmac_setup(void *ppriv)
priv->dev->priv_flags |= IFF_UNICAST_FLT;
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100 | MAC_1000;
/* The loopback bit seems to be re-set when link change
* Simply mask it each time
* Speed 10/100/1000 are set in BIT(2)/BIT(3)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
index 3927609abc44..8555299443f4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -539,6 +539,8 @@ int dwmac1000_setup(struct stmmac_priv *priv)
if (mac->multicast_filter_bins)
mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100 | MAC_1000;
mac->link.duplex = GMAC_CONTROL_DM;
mac->link.speed10 = GMAC_CONTROL_PS;
mac->link.speed100 = GMAC_CONTROL_PS | GMAC_CONTROL_FES;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
index a6e8d7bd9588..7667d103cd0e 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac100_core.c
@@ -175,6 +175,8 @@ int dwmac100_setup(struct stmmac_priv *priv)
dev_info(priv->device, "\tDWMAC100\n");
mac->pcsr = priv->ioaddr;
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100;
mac->link.duplex = MAC_CONTROL_F;
mac->link.speed10 = 0;
mac->link.speed100 = 0;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index cef25efbdff9..a38226d7cc6a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -70,7 +70,10 @@ static void dwmac4_core_init(struct mac_device_info *hw,
static void dwmac4_phylink_get_caps(struct stmmac_priv *priv)
{
- priv->phylink_config.mac_capabilities |= MAC_2500FD;
+ if (priv->plat->tx_queues_to_use > 1)
+ priv->hw->link.caps &= ~(MAC_10HD | MAC_100HD | MAC_1000HD);
+ else
+ priv->hw->link.caps |= (MAC_10HD | MAC_100HD | MAC_1000HD);
}
static void dwmac4_rx_queue_enable(struct mac_device_info *hw,
@@ -1378,6 +1381,8 @@ int dwmac4_setup(struct stmmac_priv *priv)
if (mac->multicast_filter_bins)
mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_10 | MAC_100 | MAC_1000 | MAC_2500FD;
mac->link.duplex = GMAC_CONFIG_DM;
mac->link.speed10 = GMAC_CONFIG_PS;
mac->link.speed100 = GMAC_CONFIG_FES | GMAC_CONFIG_PS;
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
index e841e312077e..f8e7775bb633 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c
@@ -47,14 +47,6 @@ static void dwxgmac2_core_init(struct mac_device_info *hw,
writel(XGMAC_INT_DEFAULT_EN, ioaddr + XGMAC_INT_EN);
}
-static void xgmac_phylink_get_caps(struct stmmac_priv *priv)
-{
- priv->phylink_config.mac_capabilities |= MAC_2500FD | MAC_5000FD |
- MAC_10000FD | MAC_25000FD |
- MAC_40000FD | MAC_50000FD |
- MAC_100000FD;
-}
-
static void dwxgmac2_set_mac(void __iomem *ioaddr, bool enable)
{
u32 tx = readl(ioaddr + XGMAC_TX_CONFIG);
@@ -1540,7 +1532,6 @@ static void dwxgmac3_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *
const struct stmmac_ops dwxgmac210_ops = {
.core_init = dwxgmac2_core_init,
- .phylink_get_caps = xgmac_phylink_get_caps,
.set_mac = dwxgmac2_set_mac,
.rx_ipc = dwxgmac2_rx_ipc,
.rx_queue_enable = dwxgmac2_rx_queue_enable,
@@ -1601,7 +1592,6 @@ static void dwxlgmac2_rx_queue_enable(struct mac_device_info *hw, u8 mode,
const struct stmmac_ops dwxlgmac2_ops = {
.core_init = dwxgmac2_core_init,
- .phylink_get_caps = xgmac_phylink_get_caps,
.set_mac = dwxgmac2_set_mac,
.rx_ipc = dwxgmac2_rx_ipc,
.rx_queue_enable = dwxlgmac2_rx_queue_enable,
@@ -1661,6 +1651,9 @@ int dwxgmac2_setup(struct stmmac_priv *priv)
if (mac->multicast_filter_bins)
mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_1000FD | MAC_2500FD | MAC_5000FD |
+ MAC_10000FD;
mac->link.duplex = 0;
mac->link.speed10 = XGMAC_CONFIG_SS_10_MII;
mac->link.speed100 = XGMAC_CONFIG_SS_100_MII;
@@ -1698,6 +1691,11 @@ int dwxlgmac2_setup(struct stmmac_priv *priv)
if (mac->multicast_filter_bins)
mac->mcast_bits_log2 = ilog2(mac->multicast_filter_bins);
+ mac->link.caps = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
+ MAC_1000FD | MAC_2500FD | MAC_5000FD |
+ MAC_10000FD | MAC_25000FD |
+ MAC_40000FD | MAC_50000FD |
+ MAC_100000FD;
mac->link.duplex = 0;
mac->link.speed1000 = XLGMAC_CONFIG_SS_1000;
mac->link.speed2500 = XLGMAC_CONFIG_SS_2500;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 24cd80490d19..7c6fb14b5555 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1198,17 +1198,6 @@ static int stmmac_init_phy(struct net_device *dev)
return ret;
}
-static void stmmac_set_half_duplex(struct stmmac_priv *priv)
-{
- /* Half-Duplex can only work with single tx queue */
- if (priv->plat->tx_queues_to_use > 1)
- priv->phylink_config.mac_capabilities &=
- ~(MAC_10HD | MAC_100HD | MAC_1000HD);
- else
- priv->phylink_config.mac_capabilities |=
- (MAC_10HD | MAC_100HD | MAC_1000HD);
-}
-
static int stmmac_phy_setup(struct stmmac_priv *priv)
{
struct stmmac_mdio_bus_data *mdio_bus_data;
@@ -1236,15 +1225,11 @@ static int stmmac_phy_setup(struct stmmac_priv *priv)
xpcs_get_interfaces(priv->hw->xpcs,
priv->phylink_config.supported_interfaces);
- priv->phylink_config.mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
- MAC_10FD | MAC_100FD |
- MAC_1000FD;
-
- stmmac_set_half_duplex(priv);
-
/* Get the MAC specific capabilities */
stmmac_mac_phylink_get_caps(priv);
+ priv->phylink_config.mac_capabilities = priv->hw->link.caps;
+
max_speed = priv->plat->max_speed;
if (max_speed)
phylink_limit_mac_speed(&priv->phylink_config, max_speed);
@@ -7342,6 +7327,7 @@ int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt)
{
struct stmmac_priv *priv = netdev_priv(dev);
int ret = 0, i;
+ int max_speed;
if (netif_running(dev))
stmmac_release(dev);
@@ -7355,7 +7341,14 @@ int stmmac_reinit_queues(struct net_device *dev, u32 rx_cnt, u32 tx_cnt)
priv->rss.table[i] = ethtool_rxfh_indir_default(i,
rx_cnt);
- stmmac_set_half_duplex(priv);
+ stmmac_mac_phylink_get_caps(priv);
+
+ priv->phylink_config.mac_capabilities = priv->hw->link.caps;
+
+ max_speed = priv->plat->max_speed;
+ if (max_speed)
+ phylink_limit_mac_speed(&priv->phylink_config, max_speed);
+
stmmac_napi_add(dev);
if (netif_running(dev))
diff --git a/drivers/net/ethernet/ti/am65-cpsw-nuss.c b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
index 2939a21ca74f..1d00e21808c1 100644
--- a/drivers/net/ethernet/ti/am65-cpsw-nuss.c
+++ b/drivers/net/ethernet/ti/am65-cpsw-nuss.c
@@ -2793,6 +2793,8 @@ static void am65_cpsw_unregister_devlink(struct am65_cpsw_common *common)
static int am65_cpsw_nuss_register_ndevs(struct am65_cpsw_common *common)
{
+ struct am65_cpsw_rx_chn *rx_chan = &common->rx_chns;
+ struct am65_cpsw_tx_chn *tx_chan = common->tx_chns;
struct device *dev = common->dev;
struct am65_cpsw_port *port;
int ret = 0, i;
@@ -2805,6 +2807,22 @@ static int am65_cpsw_nuss_register_ndevs(struct am65_cpsw_common *common)
if (ret)
return ret;
+ /* The DMA Channels are not guaranteed to be in a clean state.
+ * Reset and disable them to ensure that they are back to the
+ * clean state and ready to be used.
+ */
+ for (i = 0; i < common->tx_ch_num; i++) {
+ k3_udma_glue_reset_tx_chn(tx_chan[i].tx_chn, &tx_chan[i],
+ am65_cpsw_nuss_tx_cleanup);
+ k3_udma_glue_disable_tx_chn(tx_chan[i].tx_chn);
+ }
+
+ for (i = 0; i < AM65_CPSW_MAX_RX_FLOWS; i++)
+ k3_udma_glue_reset_rx_chn(rx_chan->rx_chn, i, rx_chan,
+ am65_cpsw_nuss_rx_cleanup, !!i);
+
+ k3_udma_glue_disable_rx_chn(rx_chan->rx_chn);
+
ret = am65_cpsw_nuss_register_devlink(common);
if (ret)
return ret;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 0b3f21cba552..92da8c03d960 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -2125,14 +2125,16 @@ static ssize_t tun_put_user(struct tun_struct *tun,
tun_is_little_endian(tun), true,
vlan_hlen)) {
struct skb_shared_info *sinfo = skb_shinfo(skb);
- pr_err("unexpected GSO type: "
- "0x%x, gso_size %d, hdr_len %d\n",
- sinfo->gso_type, tun16_to_cpu(tun, gso.gso_size),
- tun16_to_cpu(tun, gso.hdr_len));
- print_hex_dump(KERN_ERR, "tun: ",
- DUMP_PREFIX_NONE,
- 16, 1, skb->head,
- min((int)tun16_to_cpu(tun, gso.hdr_len), 64), true);
+
+ if (net_ratelimit()) {
+ netdev_err(tun->dev, "unexpected GSO type: 0x%x, gso_size %d, hdr_len %d\n",
+ sinfo->gso_type, tun16_to_cpu(tun, gso.gso_size),
+ tun16_to_cpu(tun, gso.hdr_len));
+ print_hex_dump(KERN_ERR, "tun: ",
+ DUMP_PREFIX_NONE,
+ 16, 1, skb->head,
+ min((int)tun16_to_cpu(tun, gso.hdr_len), 64), true);
+ }
WARN_ON_ONCE(1);
return -EINVAL;
}
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index a9c418890a1c..752f821a1990 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1317,6 +1317,8 @@ static int ax88179_bind(struct usbnet *dev, struct usb_interface *intf)
netif_set_tso_max_size(dev->net, 16384);
+ ax88179_reset(dev);
+
return 0;
}
@@ -1695,7 +1697,6 @@ static const struct driver_info ax88179_info = {
.unbind = ax88179_unbind,
.status = ax88179_status,
.link_reset = ax88179_link_reset,
- .reset = ax88179_reset,
.stop = ax88179_stop,
.flags = FLAG_ETHER | FLAG_FRAMING_AX,
.rx_fixup = ax88179_rx_fixup,
@@ -1708,7 +1709,6 @@ static const struct driver_info ax88178a_info = {
.unbind = ax88179_unbind,
.status = ax88179_status,
.link_reset = ax88179_link_reset,
- .reset = ax88179_reset,
.stop = ax88179_stop,
.flags = FLAG_ETHER | FLAG_FRAMING_AX,
.rx_fixup = ax88179_rx_fixup,
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index e2e181378f41..edc34402e787 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1431,6 +1431,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x2692, 0x9025, 4)}, /* Cellient MPL200 (rebranded Qualcomm 05c6:9025) */
{QMI_QUIRK_SET_DTR(0x1546, 0x1312, 4)}, /* u-blox LARA-R6 01B */
{QMI_QUIRK_SET_DTR(0x1546, 0x1342, 4)}, /* u-blox LARA-L6 */
+ {QMI_QUIRK_SET_DTR(0x33f8, 0x0104, 4)}, /* Rolling RW101 RMNET */
/* 4. Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
diff --git a/drivers/platform/x86/amd/pmc/pmc-quirks.c b/drivers/platform/x86/amd/pmc/pmc-quirks.c
index b456370166b6..b4f49720c87f 100644
--- a/drivers/platform/x86/amd/pmc/pmc-quirks.c
+++ b/drivers/platform/x86/amd/pmc/pmc-quirks.c
@@ -208,6 +208,15 @@ static const struct dmi_system_id fwbug_list[] = {
DMI_MATCH(DMI_BIOS_VERSION, "03.03"),
}
},
+ {
+ .ident = "Framework Laptop 13 (Phoenix)",
+ .driver_data = &quirk_spurious_8042,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Framework"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Laptop 13 (AMD Ryzen 7040Series)"),
+ DMI_MATCH(DMI_BIOS_VERSION, "03.05"),
+ }
+ },
{}
};
diff --git a/drivers/platform/x86/amd/pmf/Makefile b/drivers/platform/x86/amd/pmf/Makefile
index 6b26e48ce8ad..7d6079b02589 100644
--- a/drivers/platform/x86/amd/pmf/Makefile
+++ b/drivers/platform/x86/amd/pmf/Makefile
@@ -7,4 +7,4 @@
obj-$(CONFIG_AMD_PMF) += amd-pmf.o
amd-pmf-objs := core.o acpi.o sps.o \
auto-mode.o cnqf.o \
- tee-if.o spc.o
+ tee-if.o spc.o pmf-quirks.o
diff --git a/drivers/platform/x86/amd/pmf/acpi.c b/drivers/platform/x86/amd/pmf/acpi.c
index d0cf46e2fc8e..1157ec148880 100644
--- a/drivers/platform/x86/amd/pmf/acpi.c
+++ b/drivers/platform/x86/amd/pmf/acpi.c
@@ -343,7 +343,10 @@ static int apmf_if_verify_interface(struct amd_pmf_dev *pdev)
if (err)
return err;
- pdev->supported_func = output.supported_functions;
+ /* only set if not already set by a quirk */
+ if (!pdev->supported_func)
+ pdev->supported_func = output.supported_functions;
+
dev_dbg(pdev->dev, "supported functions:0x%x notifications:0x%x version:%u\n",
output.supported_functions, output.notification_mask, output.version);
@@ -437,7 +440,7 @@ int apmf_check_smart_pc(struct amd_pmf_dev *pmf_dev)
status = acpi_walk_resources(ahandle, METHOD_NAME__CRS, apmf_walk_resources, pmf_dev);
if (ACPI_FAILURE(status)) {
- dev_err(pmf_dev->dev, "acpi_walk_resources failed :%d\n", status);
+ dev_dbg(pmf_dev->dev, "acpi_walk_resources failed :%d\n", status);
return -EINVAL;
}
diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c
index 5d4f80698a8b..64e6e34a2a9a 100644
--- a/drivers/platform/x86/amd/pmf/core.c
+++ b/drivers/platform/x86/amd/pmf/core.c
@@ -445,6 +445,7 @@ static int amd_pmf_probe(struct platform_device *pdev)
mutex_init(&dev->lock);
mutex_init(&dev->update_mutex);
+ amd_pmf_quirks_init(dev);
apmf_acpi_init(dev);
platform_set_drvdata(pdev, dev);
amd_pmf_dbgfs_register(dev);
diff --git a/drivers/platform/x86/amd/pmf/pmf-quirks.c b/drivers/platform/x86/amd/pmf/pmf-quirks.c
new file mode 100644
index 000000000000..0b2eb0ae85fe
--- /dev/null
+++ b/drivers/platform/x86/amd/pmf/pmf-quirks.c
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * AMD Platform Management Framework Driver Quirks
+ *
+ * Copyright (c) 2024, Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Author: Mario Limonciello <mario.limonciello@amd.com>
+ */
+
+#include <linux/dmi.h>
+
+#include "pmf.h"
+
+struct quirk_entry {
+ u32 supported_func;
+};
+
+static struct quirk_entry quirk_no_sps_bug = {
+ .supported_func = 0x4003,
+};
+
+static const struct dmi_system_id fwbug_list[] = {
+ {
+ .ident = "ROG Zephyrus G14",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GA403UV"),
+ },
+ .driver_data = &quirk_no_sps_bug,
+ },
+ {}
+};
+
+void amd_pmf_quirks_init(struct amd_pmf_dev *dev)
+{
+ const struct dmi_system_id *dmi_id;
+ struct quirk_entry *quirks;
+
+ dmi_id = dmi_first_match(fwbug_list);
+ if (!dmi_id)
+ return;
+
+ quirks = dmi_id->driver_data;
+ if (quirks->supported_func) {
+ dev->supported_func = quirks->supported_func;
+ pr_info("Using supported funcs quirk to avoid %s platform firmware bug\n",
+ dmi_id->ident);
+ }
+}
+
diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h
index 8c4df5753f40..eeedd0c0395a 100644
--- a/drivers/platform/x86/amd/pmf/pmf.h
+++ b/drivers/platform/x86/amd/pmf/pmf.h
@@ -720,4 +720,7 @@ int apmf_check_smart_pc(struct amd_pmf_dev *pmf_dev);
void amd_pmf_populate_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in);
void amd_pmf_dump_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in);
+/* Quirk infrastructure */
+void amd_pmf_quirks_init(struct amd_pmf_dev *dev);
+
#endif /* PMF_H */
diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
index 08df9494603c..30951f7131cd 100644
--- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
+++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c
@@ -719,6 +719,7 @@ static struct miscdevice isst_if_char_driver = {
};
static const struct x86_cpu_id hpm_cpu_ids[] = {
+ X86_MATCH_INTEL_FAM6_MODEL(GRANITERAPIDS_D, NULL),
X86_MATCH_INTEL_FAM6_MODEL(GRANITERAPIDS_X, NULL),
X86_MATCH_INTEL_FAM6_MODEL(ATOM_CRESTMONT_X, NULL),
{}
diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
index bd75d61ff8a6..ef730200a04b 100644
--- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
+++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c
@@ -29,7 +29,7 @@
#include "uncore-frequency-common.h"
#define UNCORE_MAJOR_VERSION 0
-#define UNCORE_MINOR_VERSION 1
+#define UNCORE_MINOR_VERSION 2
#define UNCORE_HEADER_INDEX 0
#define UNCORE_FABRIC_CLUSTER_OFFSET 8
@@ -329,7 +329,7 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_
goto remove_clusters;
}
- if (TPMI_MINOR_VERSION(pd_info->ufs_header_ver) != UNCORE_MINOR_VERSION)
+ if (TPMI_MINOR_VERSION(pd_info->ufs_header_ver) > UNCORE_MINOR_VERSION)
dev_info(&auxdev->dev, "Uncore: Ignore: Unsupported minor version:%lx\n",
TPMI_MINOR_VERSION(pd_info->ufs_header_ver));
diff --git a/drivers/pwm/pwm-dwc-core.c b/drivers/pwm/pwm-dwc-core.c
index 043736972cb9..c8425493b95d 100644
--- a/drivers/pwm/pwm-dwc-core.c
+++ b/drivers/pwm/pwm-dwc-core.c
@@ -172,7 +172,6 @@ struct pwm_chip *dwc_pwm_alloc(struct device *dev)
dwc->clk_ns = 10;
chip->ops = &dwc_pwm_ops;
- dev_set_drvdata(dev, chip);
return chip;
}
EXPORT_SYMBOL_GPL(dwc_pwm_alloc);
diff --git a/drivers/pwm/pwm-dwc.c b/drivers/pwm/pwm-dwc.c
index 676eaf8d7a53..fb3eadf6fbc4 100644
--- a/drivers/pwm/pwm-dwc.c
+++ b/drivers/pwm/pwm-dwc.c
@@ -31,26 +31,34 @@ static const struct dwc_pwm_info ehl_pwm_info = {
.size = 0x1000,
};
-static int dwc_pwm_init_one(struct device *dev, void __iomem *base, unsigned int offset)
+static int dwc_pwm_init_one(struct device *dev, struct dwc_pwm_drvdata *ddata, unsigned int idx)
{
struct pwm_chip *chip;
struct dwc_pwm *dwc;
+ int ret;
chip = dwc_pwm_alloc(dev);
if (IS_ERR(chip))
return PTR_ERR(chip);
dwc = to_dwc_pwm(chip);
- dwc->base = base + offset;
+ dwc->base = ddata->io_base + (ddata->info->size * idx);
- return devm_pwmchip_add(dev, chip);
+ ret = devm_pwmchip_add(dev, chip);
+ if (ret)
+ return ret;
+
+ ddata->chips[idx] = chip;
+ return 0;
}
static int dwc_pwm_probe(struct pci_dev *pci, const struct pci_device_id *id)
{
const struct dwc_pwm_info *info;
struct device *dev = &pci->dev;
- int i, ret;
+ struct dwc_pwm_drvdata *ddata;
+ unsigned int idx;
+ int ret;
ret = pcim_enable_device(pci);
if (ret)
@@ -63,17 +71,25 @@ static int dwc_pwm_probe(struct pci_dev *pci, const struct pci_device_id *id)
return dev_err_probe(dev, ret, "Failed to iomap PCI BAR\n");
info = (const struct dwc_pwm_info *)id->driver_data;
-
- for (i = 0; i < info->nr; i++) {
- /*
- * No need to check for pcim_iomap_table() failure,
- * pcim_iomap_regions() already does it for us.
- */
- ret = dwc_pwm_init_one(dev, pcim_iomap_table(pci)[0], i * info->size);
+ ddata = devm_kzalloc(dev, struct_size(ddata, chips, info->nr), GFP_KERNEL);
+ if (!ddata)
+ return -ENOMEM;
+
+ /*
+ * No need to check for pcim_iomap_table() failure,
+ * pcim_iomap_regions() already does it for us.
+ */
+ ddata->io_base = pcim_iomap_table(pci)[0];
+ ddata->info = info;
+
+ for (idx = 0; idx < ddata->info->nr; idx++) {
+ ret = dwc_pwm_init_one(dev, ddata, idx);
if (ret)
return ret;
}
+ dev_set_drvdata(dev, ddata);
+
pm_runtime_put(dev);
pm_runtime_allow(dev);
@@ -88,19 +104,24 @@ static void dwc_pwm_remove(struct pci_dev *pci)
static int dwc_pwm_suspend(struct device *dev)
{
- struct pwm_chip *chip = dev_get_drvdata(dev);
- struct dwc_pwm *dwc = to_dwc_pwm(chip);
- int i;
-
- for (i = 0; i < DWC_TIMERS_TOTAL; i++) {
- if (chip->pwms[i].state.enabled) {
- dev_err(dev, "PWM %u in use by consumer (%s)\n",
- i, chip->pwms[i].label);
- return -EBUSY;
+ struct dwc_pwm_drvdata *ddata = dev_get_drvdata(dev);
+ unsigned int idx;
+
+ for (idx = 0; idx < ddata->info->nr; idx++) {
+ struct pwm_chip *chip = ddata->chips[idx];
+ struct dwc_pwm *dwc = to_dwc_pwm(chip);
+ unsigned int i;
+
+ for (i = 0; i < DWC_TIMERS_TOTAL; i++) {
+ if (chip->pwms[i].state.enabled) {
+ dev_err(dev, "PWM %u in use by consumer (%s)\n",
+ i, chip->pwms[i].label);
+ return -EBUSY;
+ }
+ dwc->ctx[i].cnt = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT(i));
+ dwc->ctx[i].cnt2 = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT2(i));
+ dwc->ctx[i].ctrl = dwc_pwm_readl(dwc, DWC_TIM_CTRL(i));
}
- dwc->ctx[i].cnt = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT(i));
- dwc->ctx[i].cnt2 = dwc_pwm_readl(dwc, DWC_TIM_LD_CNT2(i));
- dwc->ctx[i].ctrl = dwc_pwm_readl(dwc, DWC_TIM_CTRL(i));
}
return 0;
@@ -108,14 +129,19 @@ static int dwc_pwm_suspend(struct device *dev)
static int dwc_pwm_resume(struct device *dev)
{
- struct pwm_chip *chip = dev_get_drvdata(dev);
- struct dwc_pwm *dwc = to_dwc_pwm(chip);
- int i;
-
- for (i = 0; i < DWC_TIMERS_TOTAL; i++) {
- dwc_pwm_writel(dwc, dwc->ctx[i].cnt, DWC_TIM_LD_CNT(i));
- dwc_pwm_writel(dwc, dwc->ctx[i].cnt2, DWC_TIM_LD_CNT2(i));
- dwc_pwm_writel(dwc, dwc->ctx[i].ctrl, DWC_TIM_CTRL(i));
+ struct dwc_pwm_drvdata *ddata = dev_get_drvdata(dev);
+ unsigned int idx;
+
+ for (idx = 0; idx < ddata->info->nr; idx++) {
+ struct pwm_chip *chip = ddata->chips[idx];
+ struct dwc_pwm *dwc = to_dwc_pwm(chip);
+ unsigned int i;
+
+ for (i = 0; i < DWC_TIMERS_TOTAL; i++) {
+ dwc_pwm_writel(dwc, dwc->ctx[i].cnt, DWC_TIM_LD_CNT(i));
+ dwc_pwm_writel(dwc, dwc->ctx[i].cnt2, DWC_TIM_LD_CNT2(i));
+ dwc_pwm_writel(dwc, dwc->ctx[i].ctrl, DWC_TIM_CTRL(i));
+ }
}
return 0;
diff --git a/drivers/pwm/pwm-dwc.h b/drivers/pwm/pwm-dwc.h
index a8b074841ae8..c6e2df5a6122 100644
--- a/drivers/pwm/pwm-dwc.h
+++ b/drivers/pwm/pwm-dwc.h
@@ -38,6 +38,12 @@ struct dwc_pwm_info {
unsigned int size;
};
+struct dwc_pwm_drvdata {
+ const struct dwc_pwm_info *info;
+ void __iomem *io_base;
+ struct pwm_chip *chips[];
+};
+
struct dwc_pwm_ctx {
u32 cnt;
u32 cnt2;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index f95d12345d98..920f550bc313 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -363,10 +363,8 @@ int ccw_device_set_online(struct ccw_device *cdev)
spin_lock_irq(cdev->ccwlock);
ret = ccw_device_online(cdev);
- spin_unlock_irq(cdev->ccwlock);
- if (ret == 0)
- wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
- else {
+ if (ret) {
+ spin_unlock_irq(cdev->ccwlock);
CIO_MSG_EVENT(0, "ccw_device_online returned %d, "
"device 0.%x.%04x\n",
ret, cdev->private->dev_id.ssid,
@@ -375,7 +373,12 @@ int ccw_device_set_online(struct ccw_device *cdev)
put_device(&cdev->dev);
return ret;
}
- spin_lock_irq(cdev->ccwlock);
+ /* Wait until a final state is reached */
+ while (!dev_fsm_final_state(cdev)) {
+ spin_unlock_irq(cdev->ccwlock);
+ wait_event(cdev->private->wait_q, dev_fsm_final_state(cdev));
+ spin_lock_irq(cdev->ccwlock);
+ }
/* Check if online processing was successful */
if ((cdev->private->state != DEV_STATE_ONLINE) &&
(cdev->private->state != DEV_STATE_W4SENSE)) {
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 65d8b2cfd626..42791fa0b80e 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -504,6 +504,11 @@ callback:
ccw_device_done(cdev, DEV_STATE_ONLINE);
/* Deliver fake irb to device driver, if needed. */
if (cdev->private->flags.fake_irb) {
+ CIO_MSG_EVENT(2, "fakeirb: deliver device 0.%x.%04x intparm %lx type=%d\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno,
+ cdev->private->intparm,
+ cdev->private->flags.fake_irb);
create_fake_irb(&cdev->private->dma_area->irb,
cdev->private->flags.fake_irb);
cdev->private->flags.fake_irb = 0;
diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c
index 40c97f873075..acd6790dba4d 100644
--- a/drivers/s390/cio/device_ops.c
+++ b/drivers/s390/cio/device_ops.c
@@ -208,6 +208,10 @@ int ccw_device_start_timeout_key(struct ccw_device *cdev, struct ccw1 *cpa,
if (!cdev->private->flags.fake_irb) {
cdev->private->flags.fake_irb = FAKE_CMD_IRB;
cdev->private->intparm = intparm;
+ CIO_MSG_EVENT(2, "fakeirb: queue device 0.%x.%04x intparm %lx type=%d\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno, intparm,
+ cdev->private->flags.fake_irb);
return 0;
} else
/* There's already a fake I/O around. */
@@ -551,6 +555,10 @@ int ccw_device_tm_start_timeout_key(struct ccw_device *cdev, struct tcw *tcw,
if (!cdev->private->flags.fake_irb) {
cdev->private->flags.fake_irb = FAKE_TM_IRB;
cdev->private->intparm = intparm;
+ CIO_MSG_EVENT(2, "fakeirb: queue device 0.%x.%04x intparm %lx type=%d\n",
+ cdev->private->dev_id.ssid,
+ cdev->private->dev_id.devno, intparm,
+ cdev->private->flags.fake_irb);
return 0;
} else
/* There's already a fake I/O around. */
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 3d9f0834c78b..a1cb39f4b7a2 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -722,8 +722,8 @@ static void qdio_handle_activate_check(struct qdio_irq *irq_ptr,
lgr_info_log();
}
-static void qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
- int dstat)
+static int qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
+ int dstat, int dcc)
{
DBF_DEV_EVENT(DBF_INFO, irq_ptr, "qest irq");
@@ -731,15 +731,18 @@ static void qdio_establish_handle_irq(struct qdio_irq *irq_ptr, int cstat,
goto error;
if (dstat & ~(DEV_STAT_DEV_END | DEV_STAT_CHN_END))
goto error;
+ if (dcc == 1)
+ return -EAGAIN;
if (!(dstat & DEV_STAT_DEV_END))
goto error;
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ESTABLISHED);
- return;
+ return 0;
error:
DBF_ERROR("%4x EQ:error", irq_ptr->schid.sch_no);
DBF_ERROR("ds: %2x cs:%2x", dstat, cstat);
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR);
+ return -EIO;
}
/* qdio interrupt handler */
@@ -748,7 +751,7 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
{
struct qdio_irq *irq_ptr = cdev->private->qdio_data;
struct subchannel_id schid;
- int cstat, dstat;
+ int cstat, dstat, rc, dcc;
if (!intparm || !irq_ptr) {
ccw_device_get_schid(cdev, &schid);
@@ -768,10 +771,12 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
qdio_irq_check_sense(irq_ptr, irb);
cstat = irb->scsw.cmd.cstat;
dstat = irb->scsw.cmd.dstat;
+ dcc = scsw_cmd_is_valid_cc(&irb->scsw) ? irb->scsw.cmd.cc : 0;
+ rc = 0;
switch (irq_ptr->state) {
case QDIO_IRQ_STATE_INACTIVE:
- qdio_establish_handle_irq(irq_ptr, cstat, dstat);
+ rc = qdio_establish_handle_irq(irq_ptr, cstat, dstat, dcc);
break;
case QDIO_IRQ_STATE_CLEANUP:
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE);
@@ -785,12 +790,25 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
if (cstat || dstat)
qdio_handle_activate_check(irq_ptr, intparm, cstat,
dstat);
+ else if (dcc == 1)
+ rc = -EAGAIN;
break;
case QDIO_IRQ_STATE_STOPPED:
break;
default:
WARN_ON_ONCE(1);
}
+
+ if (rc == -EAGAIN) {
+ DBF_DEV_EVENT(DBF_INFO, irq_ptr, "qint retry");
+ rc = ccw_device_start(cdev, irq_ptr->ccw, intparm, 0, 0);
+ if (!rc)
+ return;
+ DBF_ERROR("%4x RETRY ERR", irq_ptr->schid.sch_no);
+ DBF_ERROR("rc:%4x", rc);
+ qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR);
+ }
+
wake_up(&cdev->private->wait_q);
}
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index 2c8e964425dc..43778b088ffa 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -292,13 +292,16 @@ out:
static void ism_free_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
{
clear_bit(dmb->sba_idx, ism->sba_bitmap);
- dma_free_coherent(&ism->pdev->dev, dmb->dmb_len,
- dmb->cpu_addr, dmb->dma_addr);
+ dma_unmap_page(&ism->pdev->dev, dmb->dma_addr, dmb->dmb_len,
+ DMA_FROM_DEVICE);
+ folio_put(virt_to_folio(dmb->cpu_addr));
}
static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
{
+ struct folio *folio;
unsigned long bit;
+ int rc;
if (PAGE_ALIGN(dmb->dmb_len) > dma_get_max_seg_size(&ism->pdev->dev))
return -EINVAL;
@@ -315,14 +318,30 @@ static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb)
test_and_set_bit(dmb->sba_idx, ism->sba_bitmap))
return -EINVAL;
- dmb->cpu_addr = dma_alloc_coherent(&ism->pdev->dev, dmb->dmb_len,
- &dmb->dma_addr,
- GFP_KERNEL | __GFP_NOWARN |
- __GFP_NOMEMALLOC | __GFP_NORETRY);
- if (!dmb->cpu_addr)
- clear_bit(dmb->sba_idx, ism->sba_bitmap);
+ folio = folio_alloc(GFP_KERNEL | __GFP_NOWARN | __GFP_NOMEMALLOC |
+ __GFP_NORETRY, get_order(dmb->dmb_len));
- return dmb->cpu_addr ? 0 : -ENOMEM;
+ if (!folio) {
+ rc = -ENOMEM;
+ goto out_bit;
+ }
+
+ dmb->cpu_addr = folio_address(folio);
+ dmb->dma_addr = dma_map_page(&ism->pdev->dev,
+ virt_to_page(dmb->cpu_addr), 0,
+ dmb->dmb_len, DMA_FROM_DEVICE);
+ if (dma_mapping_error(&ism->pdev->dev, dmb->dma_addr)) {
+ rc = -ENOMEM;
+ goto out_free;
+ }
+
+ return 0;
+
+out_free:
+ kfree(dmb->cpu_addr);
+out_bit:
+ clear_bit(dmb->sba_idx, ism->sba_bitmap);
+ return rc;
}
int ism_register_dmb(struct ism_dev *ism, struct ism_dmb *dmb,
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 2e28e2360c85..5b3230ef51fe 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -635,10 +635,9 @@ static bool scsi_end_request(struct request *req, blk_status_t error,
if (blk_queue_add_random(q))
add_disk_randomness(req->q->disk);
- if (!blk_rq_is_passthrough(req)) {
- WARN_ON_ONCE(!(cmd->flags & SCMD_INITIALIZED));
- cmd->flags &= ~SCMD_INITIALIZED;
- }
+ WARN_ON_ONCE(!blk_rq_is_passthrough(req) &&
+ !(cmd->flags & SCMD_INITIALIZED));
+ cmd->flags = 0;
/*
* Calling rcu_barrier() is not necessary here because the
diff --git a/drivers/thermal/thermal_debugfs.c b/drivers/thermal/thermal_debugfs.c
index c617e8b9f0dd..d78d54ae2605 100644
--- a/drivers/thermal/thermal_debugfs.c
+++ b/drivers/thermal/thermal_debugfs.c
@@ -616,6 +616,7 @@ void thermal_debug_tz_trip_up(struct thermal_zone_device *tz,
tze->trip_stats[trip_id].timestamp = now;
tze->trip_stats[trip_id].max = max(tze->trip_stats[trip_id].max, temperature);
tze->trip_stats[trip_id].min = min(tze->trip_stats[trip_id].min, temperature);
+ tze->trip_stats[trip_id].count++;
tze->trip_stats[trip_id].avg = tze->trip_stats[trip_id].avg +
(temperature - tze->trip_stats[trip_id].avg) /
tze->trip_stats[trip_id].count;
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 6ffc4e81ffed..326433df5880 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -3180,22 +3180,29 @@ void tb_switch_unconfigure_link(struct tb_switch *sw)
{
struct tb_port *up, *down;
- if (sw->is_unplugged)
- return;
if (!tb_route(sw) || tb_switch_is_icm(sw))
return;
+ /*
+ * Unconfigure downstream port so that wake-on-connect can be
+ * configured after router unplug. No need to unconfigure upstream port
+ * since its router is unplugged.
+ */
up = tb_upstream_port(sw);
- if (tb_switch_is_usb4(up->sw))
- usb4_port_unconfigure(up);
- else
- tb_lc_unconfigure_port(up);
-
down = up->remote;
if (tb_switch_is_usb4(down->sw))
usb4_port_unconfigure(down);
else
tb_lc_unconfigure_port(down);
+
+ if (sw->is_unplugged)
+ return;
+
+ up = tb_upstream_port(sw);
+ if (tb_switch_is_usb4(up->sw))
+ usb4_port_unconfigure(up);
+ else
+ tb_lc_unconfigure_port(up);
}
static void tb_switch_credits_init(struct tb_switch *sw)
@@ -3441,7 +3448,26 @@ static int tb_switch_set_wake(struct tb_switch *sw, unsigned int flags)
return tb_lc_set_wake(sw, flags);
}
-int tb_switch_resume(struct tb_switch *sw)
+static void tb_switch_check_wakes(struct tb_switch *sw)
+{
+ if (device_may_wakeup(&sw->dev)) {
+ if (tb_switch_is_usb4(sw))
+ usb4_switch_check_wakes(sw);
+ }
+}
+
+/**
+ * tb_switch_resume() - Resume a switch after sleep
+ * @sw: Switch to resume
+ * @runtime: Is this resume from runtime suspend or system sleep
+ *
+ * Resumes and re-enumerates router (and all its children), if still plugged
+ * after suspend. Don't enumerate device router whose UID was changed during
+ * suspend. If this is resume from system sleep, notifies PM core about the
+ * wakes occurred during suspend. Disables all wakes, except USB4 wake of
+ * upstream port for USB4 routers that shall be always enabled.
+ */
+int tb_switch_resume(struct tb_switch *sw, bool runtime)
{
struct tb_port *port;
int err;
@@ -3490,6 +3516,9 @@ int tb_switch_resume(struct tb_switch *sw)
if (err)
return err;
+ if (!runtime)
+ tb_switch_check_wakes(sw);
+
/* Disable wakes */
tb_switch_set_wake(sw, 0);
@@ -3519,7 +3548,8 @@ int tb_switch_resume(struct tb_switch *sw)
*/
if (tb_port_unlock(port))
tb_port_warn(port, "failed to unlock port\n");
- if (port->remote && tb_switch_resume(port->remote->sw)) {
+ if (port->remote &&
+ tb_switch_resume(port->remote->sw, runtime)) {
tb_port_warn(port,
"lost during suspend, disconnecting\n");
tb_sw_set_unplugged(port->remote->sw);
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c
index c5ce7a694b27..3e44c78ac409 100644
--- a/drivers/thunderbolt/tb.c
+++ b/drivers/thunderbolt/tb.c
@@ -1801,6 +1801,12 @@ static struct tb_port *tb_find_dp_out(struct tb *tb, struct tb_port *in)
continue;
}
+ /* Needs to be on different routers */
+ if (in->sw == port->sw) {
+ tb_port_dbg(port, "skipping DP OUT on same router\n");
+ continue;
+ }
+
tb_port_dbg(port, "DP OUT available\n");
/*
@@ -2936,7 +2942,7 @@ static int tb_resume_noirq(struct tb *tb)
if (!tb_switch_is_usb4(tb->root_switch))
tb_switch_reset(tb->root_switch);
- tb_switch_resume(tb->root_switch);
+ tb_switch_resume(tb->root_switch, false);
tb_free_invalid_tunnels(tb);
tb_free_unplugged_children(tb->root_switch);
tb_restore_children(tb->root_switch);
@@ -3062,7 +3068,7 @@ static int tb_runtime_resume(struct tb *tb)
struct tb_tunnel *tunnel, *n;
mutex_lock(&tb->lock);
- tb_switch_resume(tb->root_switch);
+ tb_switch_resume(tb->root_switch, true);
tb_free_invalid_tunnels(tb);
tb_restore_children(tb->root_switch);
list_for_each_entry_safe(tunnel, n, &tcm->tunnel_list, list)
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index feed8ecaf712..18aae4ccaed5 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -827,7 +827,7 @@ int tb_switch_configuration_valid(struct tb_switch *sw);
int tb_switch_add(struct tb_switch *sw);
void tb_switch_remove(struct tb_switch *sw);
void tb_switch_suspend(struct tb_switch *sw, bool runtime);
-int tb_switch_resume(struct tb_switch *sw);
+int tb_switch_resume(struct tb_switch *sw, bool runtime);
int tb_switch_reset(struct tb_switch *sw);
int tb_switch_wait_for_bit(struct tb_switch *sw, u32 offset, u32 bit,
u32 value, int timeout_msec);
@@ -1288,6 +1288,7 @@ static inline bool tb_switch_is_usb4(const struct tb_switch *sw)
return usb4_switch_version(sw) > 0;
}
+void usb4_switch_check_wakes(struct tb_switch *sw);
int usb4_switch_setup(struct tb_switch *sw);
int usb4_switch_configuration_valid(struct tb_switch *sw);
int usb4_switch_read_uid(struct tb_switch *sw, u64 *uid);
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c
index 9860b49d7a2b..78b06e922fda 100644
--- a/drivers/thunderbolt/usb4.c
+++ b/drivers/thunderbolt/usb4.c
@@ -155,7 +155,13 @@ static inline int usb4_switch_op_data(struct tb_switch *sw, u16 opcode,
tx_dwords, rx_data, rx_dwords);
}
-static void usb4_switch_check_wakes(struct tb_switch *sw)
+/**
+ * usb4_switch_check_wakes() - Check for wakes and notify PM core about them
+ * @sw: Router whose wakes to check
+ *
+ * Checks wakes occurred during suspend and notify the PM core about them.
+ */
+void usb4_switch_check_wakes(struct tb_switch *sw)
{
bool wakeup_usb4 = false;
struct usb4_port *usb4;
@@ -163,9 +169,6 @@ static void usb4_switch_check_wakes(struct tb_switch *sw)
bool wakeup = false;
u32 val;
- if (!device_may_wakeup(&sw->dev))
- return;
-
if (tb_route(sw)) {
if (tb_sw_read(sw, &val, TB_CFG_SWITCH, ROUTER_CS_6, 1))
return;
@@ -244,8 +247,6 @@ int usb4_switch_setup(struct tb_switch *sw)
u32 val = 0;
int ret;
- usb4_switch_check_wakes(sw);
-
if (!tb_route(sw))
return 0;
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index a3acbf0f5da1..1300c92b8702 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -356,9 +356,9 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios,
long rate;
int ret;
+ clk_disable_unprepare(d->clk);
rate = clk_round_rate(d->clk, newrate);
- if (rate > 0 && p->uartclk != rate) {
- clk_disable_unprepare(d->clk);
+ if (rate > 0) {
/*
* Note that any clock-notifer worker will block in
* serial8250_update_uartclk() until we are done.
@@ -366,8 +366,8 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios,
ret = clk_set_rate(d->clk, newrate);
if (!ret)
p->uartclk = rate;
- clk_prepare_enable(d->clk);
}
+ clk_prepare_enable(d->clk);
dw8250_do_set_termios(p, termios, old);
}
diff --git a/drivers/tty/serial/8250/8250_lpc18xx.c b/drivers/tty/serial/8250/8250_lpc18xx.c
index 7984ee05af1d..47e1a056a60c 100644
--- a/drivers/tty/serial/8250/8250_lpc18xx.c
+++ b/drivers/tty/serial/8250/8250_lpc18xx.c
@@ -151,7 +151,7 @@ static int lpc18xx_serial_probe(struct platform_device *pdev)
ret = uart_read_port_properties(&uart.port);
if (ret)
- return ret;
+ goto dis_uart_clk;
uart.port.iotype = UPIO_MEM32;
uart.port.regshift = 2;
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 0d35c77fad9e..e2e4f99f9d34 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -5010,12 +5010,6 @@ static const struct pci_device_id serial_pci_tbl[] = {
{ PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_QUATRO_B,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_b0_bt_2_115200 },
- { PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_QUATTRO_A,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_b0_bt_2_115200 },
- { PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_QUATTRO_B,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0,
- pbn_b0_bt_2_115200 },
{ PCI_VENDOR_ID_LAVA, PCI_DEVICE_ID_LAVA_OCTO_A,
PCI_ANY_ID, PCI_ANY_ID, 0, 0,
pbn_b0_bt_4_460800 },
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 4749331fe618..1e8853eae504 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -1086,11 +1086,13 @@ static void mxs_auart_set_ldisc(struct uart_port *port,
static irqreturn_t mxs_auart_irq_handle(int irq, void *context)
{
- u32 istat;
+ u32 istat, stat;
struct mxs_auart_port *s = context;
u32 mctrl_temp = s->mctrl_prev;
- u32 stat = mxs_read(s, REG_STAT);
+ uart_port_lock(&s->port);
+
+ stat = mxs_read(s, REG_STAT);
istat = mxs_read(s, REG_INTR);
/* ack irq */
@@ -1126,6 +1128,8 @@ static irqreturn_t mxs_auart_irq_handle(int irq, void *context)
istat &= ~AUART_INTR_TXIS;
}
+ uart_port_unlock(&s->port);
+
return IRQ_HANDLED;
}
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index 05d97e89511e..92195f984de1 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -210,7 +210,6 @@ static bool pmz_receive_chars(struct uart_pmac_port *uap)
{
struct tty_port *port;
unsigned char ch, r1, drop, flag;
- int loops = 0;
/* Sanity check, make sure the old bug is no longer happening */
if (uap->port.state == NULL) {
@@ -291,25 +290,12 @@ static bool pmz_receive_chars(struct uart_pmac_port *uap)
if (r1 & Rx_OVR)
tty_insert_flip_char(port, 0, TTY_OVERRUN);
next_char:
- /* We can get stuck in an infinite loop getting char 0 when the
- * line is in a wrong HW state, we break that here.
- * When that happens, I disable the receive side of the driver.
- * Note that what I've been experiencing is a real irq loop where
- * I'm getting flooded regardless of the actual port speed.
- * Something strange is going on with the HW
- */
- if ((++loops) > 1000)
- goto flood;
ch = read_zsreg(uap, R0);
if (!(ch & Rx_CH_AV))
break;
}
return true;
- flood:
- pmz_interrupt_control(uap, 0);
- pmz_error("pmz: rx irq flood !\n");
- return true;
}
static void pmz_status_handle(struct uart_pmac_port *uap)
diff --git a/drivers/tty/serial/serial_base.h b/drivers/tty/serial/serial_base.h
index c74c548f0db6..b6c38d2edfd4 100644
--- a/drivers/tty/serial/serial_base.h
+++ b/drivers/tty/serial/serial_base.h
@@ -22,6 +22,7 @@ struct serial_ctrl_device {
struct serial_port_device {
struct device dev;
struct uart_port *port;
+ unsigned int tx_enabled:1;
};
int serial_base_ctrl_init(void);
@@ -30,6 +31,9 @@ void serial_base_ctrl_exit(void);
int serial_base_port_init(void);
void serial_base_port_exit(void);
+void serial_base_port_startup(struct uart_port *port);
+void serial_base_port_shutdown(struct uart_port *port);
+
int serial_base_driver_register(struct device_driver *driver);
void serial_base_driver_unregister(struct device_driver *driver);
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index ff85ebd3a007..c476d884356d 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -156,7 +156,7 @@ static void __uart_start(struct uart_state *state)
* enabled, serial_port_runtime_resume() calls start_tx() again
* after enabling the device.
*/
- if (pm_runtime_active(&port_dev->dev))
+ if (!pm_runtime_enabled(port->dev) || pm_runtime_active(&port_dev->dev))
port->ops->start_tx(port);
pm_runtime_mark_last_busy(&port_dev->dev);
pm_runtime_put_autosuspend(&port_dev->dev);
@@ -323,16 +323,26 @@ static int uart_startup(struct tty_struct *tty, struct uart_state *state,
bool init_hw)
{
struct tty_port *port = &state->port;
+ struct uart_port *uport;
int retval;
if (tty_port_initialized(port))
- return 0;
+ goto out_base_port_startup;
retval = uart_port_startup(tty, state, init_hw);
- if (retval)
+ if (retval) {
set_bit(TTY_IO_ERROR, &tty->flags);
+ return retval;
+ }
- return retval;
+out_base_port_startup:
+ uport = uart_port_check(state);
+ if (!uport)
+ return -EIO;
+
+ serial_base_port_startup(uport);
+
+ return 0;
}
/*
@@ -355,6 +365,9 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state)
if (tty)
set_bit(TTY_IO_ERROR, &tty->flags);
+ if (uport)
+ serial_base_port_shutdown(uport);
+
if (tty_port_initialized(port)) {
tty_port_set_initialized(port, false);
@@ -1775,6 +1788,7 @@ static void uart_tty_port_shutdown(struct tty_port *port)
uport->ops->stop_rx(uport);
uart_port_unlock_irq(uport);
+ serial_base_port_shutdown(uport);
uart_port_shutdown(port);
/*
@@ -1788,6 +1802,7 @@ static void uart_tty_port_shutdown(struct tty_port *port)
* Free the transmit buffer.
*/
uart_port_lock_irq(uport);
+ uart_circ_clear(&state->xmit);
buf = state->xmit.buf;
state->xmit.buf = NULL;
uart_port_unlock_irq(uport);
diff --git a/drivers/tty/serial/serial_port.c b/drivers/tty/serial/serial_port.c
index 22b9eeb23e68..7e3a1c7b097c 100644
--- a/drivers/tty/serial/serial_port.c
+++ b/drivers/tty/serial/serial_port.c
@@ -39,8 +39,12 @@ static int serial_port_runtime_resume(struct device *dev)
/* Flush any pending TX for the port */
uart_port_lock_irqsave(port, &flags);
+ if (!port_dev->tx_enabled)
+ goto unlock;
if (__serial_port_busy(port))
port->ops->start_tx(port);
+
+unlock:
uart_port_unlock_irqrestore(port, flags);
out:
@@ -60,6 +64,11 @@ static int serial_port_runtime_suspend(struct device *dev)
return 0;
uart_port_lock_irqsave(port, &flags);
+ if (!port_dev->tx_enabled) {
+ uart_port_unlock_irqrestore(port, flags);
+ return 0;
+ }
+
busy = __serial_port_busy(port);
if (busy)
port->ops->start_tx(port);
@@ -71,6 +80,31 @@ static int serial_port_runtime_suspend(struct device *dev)
return busy ? -EBUSY : 0;
}
+static void serial_base_port_set_tx(struct uart_port *port,
+ struct serial_port_device *port_dev,
+ bool enabled)
+{
+ unsigned long flags;
+
+ uart_port_lock_irqsave(port, &flags);
+ port_dev->tx_enabled = enabled;
+ uart_port_unlock_irqrestore(port, flags);
+}
+
+void serial_base_port_startup(struct uart_port *port)
+{
+ struct serial_port_device *port_dev = port->port_dev;
+
+ serial_base_port_set_tx(port, port_dev, true);
+}
+
+void serial_base_port_shutdown(struct uart_port *port)
+{
+ struct serial_port_device *port_dev = port->port_dev;
+
+ serial_base_port_set_tx(port, port_dev, false);
+}
+
static DEFINE_RUNTIME_DEV_PM_OPS(serial_port_pm,
serial_port_runtime_suspend,
serial_port_runtime_resume, NULL);
diff --git a/drivers/tty/serial/stm32-usart.c b/drivers/tty/serial/stm32-usart.c
index 58d169e5c1db..4fa5a03ebac0 100644
--- a/drivers/tty/serial/stm32-usart.c
+++ b/drivers/tty/serial/stm32-usart.c
@@ -861,6 +861,7 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
const struct stm32_usart_offsets *ofs = &stm32_port->info->ofs;
u32 sr;
unsigned int size;
+ irqreturn_t ret = IRQ_NONE;
sr = readl_relaxed(port->membase + ofs->isr);
@@ -869,11 +870,14 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
(sr & USART_SR_TC)) {
stm32_usart_tc_interrupt_disable(port);
stm32_usart_rs485_rts_disable(port);
+ ret = IRQ_HANDLED;
}
- if ((sr & USART_SR_RTOF) && ofs->icr != UNDEF_REG)
+ if ((sr & USART_SR_RTOF) && ofs->icr != UNDEF_REG) {
writel_relaxed(USART_ICR_RTOCF,
port->membase + ofs->icr);
+ ret = IRQ_HANDLED;
+ }
if ((sr & USART_SR_WUF) && ofs->icr != UNDEF_REG) {
/* Clear wake up flag and disable wake up interrupt */
@@ -882,6 +886,7 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
stm32_usart_clr_bits(port, ofs->cr3, USART_CR3_WUFIE);
if (irqd_is_wakeup_set(irq_get_irq_data(port->irq)))
pm_wakeup_event(tport->tty->dev, 0);
+ ret = IRQ_HANDLED;
}
/*
@@ -896,6 +901,7 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
uart_unlock_and_check_sysrq(port);
if (size)
tty_flip_buffer_push(tport);
+ ret = IRQ_HANDLED;
}
}
@@ -903,6 +909,7 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
uart_port_lock(port);
stm32_usart_transmit_chars(port);
uart_port_unlock(port);
+ ret = IRQ_HANDLED;
}
/* Receiver timeout irq for DMA RX */
@@ -912,9 +919,10 @@ static irqreturn_t stm32_usart_interrupt(int irq, void *ptr)
uart_unlock_and_check_sysrq(port);
if (size)
tty_flip_buffer_push(tport);
+ ret = IRQ_HANDLED;
}
- return IRQ_HANDLED;
+ return ret;
}
static void stm32_usart_set_mctrl(struct uart_port *port, unsigned int mctrl)
@@ -1084,6 +1092,7 @@ static int stm32_usart_startup(struct uart_port *port)
val |= USART_CR2_SWAP;
writel_relaxed(val, port->membase + ofs->cr2);
}
+ stm32_port->throttled = false;
/* RX FIFO Flush */
if (ofs->rqr != UNDEF_REG)
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 06859e17b67b..7a00004bfd03 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -47,7 +47,7 @@ enum {
TSTBUS_MAX,
};
-#define QCOM_UFS_MAX_GEAR 4
+#define QCOM_UFS_MAX_GEAR 5
#define QCOM_UFS_MAX_LANE 2
enum {
@@ -67,26 +67,32 @@ static const struct __ufs_qcom_bw_table {
[MODE_PWM][UFS_PWM_G2][UFS_LANE_1] = { 1844, 1000 },
[MODE_PWM][UFS_PWM_G3][UFS_LANE_1] = { 3688, 1000 },
[MODE_PWM][UFS_PWM_G4][UFS_LANE_1] = { 7376, 1000 },
+ [MODE_PWM][UFS_PWM_G5][UFS_LANE_1] = { 14752, 1000 },
[MODE_PWM][UFS_PWM_G1][UFS_LANE_2] = { 1844, 1000 },
[MODE_PWM][UFS_PWM_G2][UFS_LANE_2] = { 3688, 1000 },
[MODE_PWM][UFS_PWM_G3][UFS_LANE_2] = { 7376, 1000 },
[MODE_PWM][UFS_PWM_G4][UFS_LANE_2] = { 14752, 1000 },
+ [MODE_PWM][UFS_PWM_G5][UFS_LANE_2] = { 29504, 1000 },
[MODE_HS_RA][UFS_HS_G1][UFS_LANE_1] = { 127796, 1000 },
[MODE_HS_RA][UFS_HS_G2][UFS_LANE_1] = { 255591, 1000 },
[MODE_HS_RA][UFS_HS_G3][UFS_LANE_1] = { 1492582, 102400 },
[MODE_HS_RA][UFS_HS_G4][UFS_LANE_1] = { 2915200, 204800 },
+ [MODE_HS_RA][UFS_HS_G5][UFS_LANE_1] = { 5836800, 409600 },
[MODE_HS_RA][UFS_HS_G1][UFS_LANE_2] = { 255591, 1000 },
[MODE_HS_RA][UFS_HS_G2][UFS_LANE_2] = { 511181, 1000 },
[MODE_HS_RA][UFS_HS_G3][UFS_LANE_2] = { 1492582, 204800 },
[MODE_HS_RA][UFS_HS_G4][UFS_LANE_2] = { 2915200, 409600 },
+ [MODE_HS_RA][UFS_HS_G5][UFS_LANE_2] = { 5836800, 819200 },
[MODE_HS_RB][UFS_HS_G1][UFS_LANE_1] = { 149422, 1000 },
[MODE_HS_RB][UFS_HS_G2][UFS_LANE_1] = { 298189, 1000 },
[MODE_HS_RB][UFS_HS_G3][UFS_LANE_1] = { 1492582, 102400 },
[MODE_HS_RB][UFS_HS_G4][UFS_LANE_1] = { 2915200, 204800 },
+ [MODE_HS_RB][UFS_HS_G5][UFS_LANE_1] = { 5836800, 409600 },
[MODE_HS_RB][UFS_HS_G1][UFS_LANE_2] = { 298189, 1000 },
[MODE_HS_RB][UFS_HS_G2][UFS_LANE_2] = { 596378, 1000 },
[MODE_HS_RB][UFS_HS_G3][UFS_LANE_2] = { 1492582, 204800 },
[MODE_HS_RB][UFS_HS_G4][UFS_LANE_2] = { 2915200, 409600 },
+ [MODE_HS_RB][UFS_HS_G5][UFS_LANE_2] = { 5836800, 819200 },
[MODE_MAX][0][0] = { 7643136, 307200 },
};
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index c8262e2f2917..c553decb5461 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -485,7 +485,6 @@ out_free_mem:
static int service_outstanding_interrupt(struct wdm_device *desc)
{
int rv = 0;
- int used;
/* submit read urb only if the device is waiting for it */
if (!desc->resp_count || !--desc->resp_count)
@@ -500,10 +499,7 @@ static int service_outstanding_interrupt(struct wdm_device *desc)
goto out;
}
- used = test_and_set_bit(WDM_RESPONDING, &desc->flags);
- if (used)
- goto out;
-
+ set_bit(WDM_RESPONDING, &desc->flags);
spin_unlock_irq(&desc->iuspin);
rv = usb_submit_urb(desc->response, GFP_KERNEL);
spin_lock_irq(&desc->iuspin);
diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 686c01af03e6..0e1262a077ae 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -449,8 +449,10 @@ static void usb_port_shutdown(struct device *dev)
{
struct usb_port *port_dev = to_usb_port(dev);
- if (port_dev->child)
+ if (port_dev->child) {
usb_disable_usb2_hardware_lpm(port_dev->child);
+ usb_unlocked_disable_lpm(port_dev->child);
+ }
}
static const struct dev_pm_ops usb_port_pm_ops = {
diff --git a/drivers/usb/dwc2/hcd_ddma.c b/drivers/usb/dwc2/hcd_ddma.c
index 79582b102c7e..994a78ad084b 100644
--- a/drivers/usb/dwc2/hcd_ddma.c
+++ b/drivers/usb/dwc2/hcd_ddma.c
@@ -867,13 +867,15 @@ static int dwc2_cmpl_host_isoc_dma_desc(struct dwc2_hsotg *hsotg,
struct dwc2_dma_desc *dma_desc;
struct dwc2_hcd_iso_packet_desc *frame_desc;
u16 frame_desc_idx;
- struct urb *usb_urb = qtd->urb->priv;
+ struct urb *usb_urb;
u16 remain = 0;
int rc = 0;
if (!qtd->urb)
return -EINVAL;
+ usb_urb = qtd->urb->priv;
+
dma_sync_single_for_cpu(hsotg->dev, qh->desc_list_dma + (idx *
sizeof(struct dwc2_dma_desc)),
sizeof(struct dwc2_dma_desc),
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 72bb722da2f2..d96ffbe52039 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -226,7 +226,8 @@ void dwc3_ep0_stall_and_restart(struct dwc3 *dwc)
/* reinitialize physical ep1 */
dep = dwc->eps[1];
- dep->flags = DWC3_EP_ENABLED;
+ dep->flags &= DWC3_EP_RESOURCE_ALLOCATED;
+ dep->flags |= DWC3_EP_ENABLED;
/* stall is always issued on EP0 */
dep = dwc->eps[0];
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index bffbc1dc651f..f855f1fc8e5e 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -46,6 +46,8 @@
#define FUNCTIONFS_MAGIC 0xa647361 /* Chosen by a honest dice roll ;) */
+#define DMABUF_ENQUEUE_TIMEOUT_MS 5000
+
MODULE_IMPORT_NS(DMA_BUF);
/* Reference counter handling */
@@ -1578,10 +1580,13 @@ static int ffs_dmabuf_transfer(struct file *file,
struct ffs_dmabuf_priv *priv;
struct ffs_dma_fence *fence;
struct usb_request *usb_req;
+ enum dma_resv_usage resv_dir;
struct dma_buf *dmabuf;
+ unsigned long timeout;
struct ffs_ep *ep;
bool cookie;
u32 seqno;
+ long retl;
int ret;
if (req->flags & ~USB_FFS_DMABUF_TRANSFER_MASK)
@@ -1615,17 +1620,14 @@ static int ffs_dmabuf_transfer(struct file *file,
goto err_attachment_put;
/* Make sure we don't have writers */
- if (!dma_resv_test_signaled(dmabuf->resv, DMA_RESV_USAGE_WRITE)) {
- pr_vdebug("FFS WRITE fence is not signaled\n");
- ret = -EBUSY;
- goto err_resv_unlock;
- }
-
- /* If we're writing to the DMABUF, make sure we don't have readers */
- if (epfile->in &&
- !dma_resv_test_signaled(dmabuf->resv, DMA_RESV_USAGE_READ)) {
- pr_vdebug("FFS READ fence is not signaled\n");
- ret = -EBUSY;
+ timeout = nonblock ? 0 : msecs_to_jiffies(DMABUF_ENQUEUE_TIMEOUT_MS);
+ retl = dma_resv_wait_timeout(dmabuf->resv,
+ dma_resv_usage_rw(epfile->in),
+ true, timeout);
+ if (retl == 0)
+ retl = -EBUSY;
+ if (retl < 0) {
+ ret = (int)retl;
goto err_resv_unlock;
}
@@ -1665,8 +1667,9 @@ static int ffs_dmabuf_transfer(struct file *file,
dma_fence_init(&fence->base, &ffs_dmabuf_fence_ops,
&priv->lock, priv->context, seqno);
- dma_resv_add_fence(dmabuf->resv, &fence->base,
- dma_resv_usage_rw(epfile->in));
+ resv_dir = epfile->in ? DMA_RESV_USAGE_WRITE : DMA_RESV_USAGE_READ;
+
+ dma_resv_add_fence(dmabuf->resv, &fence->base, resv_dir);
dma_resv_unlock(dmabuf->resv);
/* Now that the dma_fence is in place, queue the transfer. */
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index 28f4e6552e84..0acc32ed9960 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -878,7 +878,7 @@ static int ncm_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
if (alt > 1)
goto fail;
- if (ncm->port.in_ep->enabled) {
+ if (ncm->netdev) {
DBG(cdev, "reset ncm\n");
ncm->netdev = NULL;
gether_disconnect(&ncm->port);
@@ -1367,7 +1367,7 @@ static void ncm_disable(struct usb_function *f)
DBG(cdev, "ncm deactivated\n");
- if (ncm->port.in_ep->enabled) {
+ if (ncm->netdev) {
ncm->netdev = NULL;
gether_disconnect(&ncm->port);
}
diff --git a/drivers/usb/gadget/udc/fsl_udc_core.c b/drivers/usb/gadget/udc/fsl_udc_core.c
index e82d03224f94..3432ebfae978 100644
--- a/drivers/usb/gadget/udc/fsl_udc_core.c
+++ b/drivers/usb/gadget/udc/fsl_udc_core.c
@@ -868,7 +868,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
{
struct fsl_ep *ep = container_of(_ep, struct fsl_ep, ep);
struct fsl_req *req = container_of(_req, struct fsl_req, req);
- struct fsl_udc *udc;
+ struct fsl_udc *udc = ep->udc;
unsigned long flags;
int ret;
@@ -878,7 +878,7 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
dev_vdbg(&udc->gadget.dev, "%s, bad params\n", __func__);
return -EINVAL;
}
- if (unlikely(!_ep || !ep->ep.desc)) {
+ if (unlikely(!ep->ep.desc)) {
dev_vdbg(&udc->gadget.dev, "%s, bad ep\n", __func__);
return -EINVAL;
}
@@ -887,7 +887,6 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
return -EMSGSIZE;
}
- udc = ep->udc;
if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN)
return -ESHUTDOWN;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 52278afea94b..575f0fd9c9f1 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3133,7 +3133,7 @@ static int xhci_handle_events(struct xhci_hcd *xhci, struct xhci_interrupter *ir
irqreturn_t xhci_irq(struct usb_hcd *hcd)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
- irqreturn_t ret = IRQ_NONE;
+ irqreturn_t ret = IRQ_HANDLED;
u32 status;
spin_lock(&xhci->lock);
@@ -3141,12 +3141,13 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
status = readl(&xhci->op_regs->status);
if (status == ~(u32)0) {
xhci_hc_died(xhci);
- ret = IRQ_HANDLED;
goto out;
}
- if (!(status & STS_EINT))
+ if (!(status & STS_EINT)) {
+ ret = IRQ_NONE;
goto out;
+ }
if (status & STS_HCE) {
xhci_warn(xhci, "WARNING: Host Controller Error\n");
@@ -3156,7 +3157,6 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
if (status & STS_FATAL) {
xhci_warn(xhci, "WARNING: Host System Error\n");
xhci_halt(xhci);
- ret = IRQ_HANDLED;
goto out;
}
@@ -3167,7 +3167,6 @@ irqreturn_t xhci_irq(struct usb_hcd *hcd)
*/
status |= STS_EINT;
writel(status, &xhci->op_regs->status);
- ret = IRQ_HANDLED;
/* This is the handler of the primary interrupter */
xhci_handle_events(xhci, xhci->interrupters[0]);
diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h
index 1740000d54c2..5762564b9d73 100644
--- a/drivers/usb/host/xhci-trace.h
+++ b/drivers/usb/host/xhci-trace.h
@@ -172,8 +172,7 @@ DECLARE_EVENT_CLASS(xhci_log_free_virt_dev,
__field(void *, vdev)
__field(unsigned long long, out_ctx)
__field(unsigned long long, in_ctx)
- __field(int, hcd_portnum)
- __field(int, hw_portnum)
+ __field(int, slot_id)
__field(u16, current_mel)
),
@@ -181,13 +180,12 @@ DECLARE_EVENT_CLASS(xhci_log_free_virt_dev,
__entry->vdev = vdev;
__entry->in_ctx = (unsigned long long) vdev->in_ctx->dma;
__entry->out_ctx = (unsigned long long) vdev->out_ctx->dma;
- __entry->hcd_portnum = (int) vdev->rhub_port->hcd_portnum;
- __entry->hw_portnum = (int) vdev->rhub_port->hw_portnum;
+ __entry->slot_id = (int) vdev->slot_id;
__entry->current_mel = (u16) vdev->current_mel;
),
- TP_printk("vdev %p ctx %llx | %llx hcd_portnum %d hw_portnum %d current_mel %d",
- __entry->vdev, __entry->in_ctx, __entry->out_ctx,
- __entry->hcd_portnum, __entry->hw_portnum, __entry->current_mel
+ TP_printk("vdev %p slot %d ctx %llx | %llx current_mel %d",
+ __entry->vdev, __entry->slot_id, __entry->in_ctx,
+ __entry->out_ctx, __entry->current_mel
)
);
diff --git a/drivers/usb/misc/onboard_usb_hub.c b/drivers/usb/misc/onboard_usb_hub.c
index c6101ed2d9d4..d8049275a023 100644
--- a/drivers/usb/misc/onboard_usb_hub.c
+++ b/drivers/usb/misc/onboard_usb_hub.c
@@ -78,7 +78,7 @@ static int onboard_hub_power_on(struct onboard_hub *hub)
err = regulator_bulk_enable(hub->pdata->num_supplies, hub->supplies);
if (err) {
dev_err(hub->dev, "failed to enable supplies: %pe\n", ERR_PTR(err));
- return err;
+ goto disable_clk;
}
fsleep(hub->pdata->reset_us);
@@ -87,6 +87,10 @@ static int onboard_hub_power_on(struct onboard_hub *hub)
hub->is_powered_on = true;
return 0;
+
+disable_clk:
+ clk_disable_unprepare(hub->clk);
+ return err;
}
static int onboard_hub_power_off(struct onboard_hub *hub)
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 55a65d941ccb..8a5846d4adf6 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -255,6 +255,10 @@ static void option_instat_callback(struct urb *urb);
#define QUECTEL_PRODUCT_EM061K_LMS 0x0124
#define QUECTEL_PRODUCT_EC25 0x0125
#define QUECTEL_PRODUCT_EM060K_128 0x0128
+#define QUECTEL_PRODUCT_EM060K_129 0x0129
+#define QUECTEL_PRODUCT_EM060K_12a 0x012a
+#define QUECTEL_PRODUCT_EM060K_12b 0x012b
+#define QUECTEL_PRODUCT_EM060K_12c 0x012c
#define QUECTEL_PRODUCT_EG91 0x0191
#define QUECTEL_PRODUCT_EG95 0x0195
#define QUECTEL_PRODUCT_BG96 0x0296
@@ -1218,6 +1222,18 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0x00, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_128, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_129, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_129, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_129, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12a, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12a, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12a, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12b, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12b, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12b, 0xff, 0xff, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12c, 0xff, 0xff, 0x30) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12c, 0xff, 0x00, 0x40) },
+ { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM060K_12c, 0xff, 0xff, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0x00, 0x40) },
{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EM061K_LCN, 0xff, 0xff, 0x40) },
@@ -1360,6 +1376,12 @@ static const struct usb_device_id option_ids[] = {
.driver_info = NCTRL(2) | RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1083, 0xff), /* Telit FE990 (ECM) */
.driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a0, 0xff), /* Telit FN20C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a4, 0xff), /* Telit FN20C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(3) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a9, 0xff), /* Telit FN20C04 (rmnet) */
+ .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),
@@ -2052,6 +2074,10 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(3) },
{ USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, 0x9803, 0xff),
.driver_info = RSVD(4) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, 0x9b05), /* Longsung U8300 */
+ .driver_info = RSVD(4) | RSVD(5) },
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, 0x9b3c), /* Longsung U9300 */
+ .driver_info = RSVD(0) | RSVD(4) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
{ USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
@@ -2272,15 +2298,29 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0xff, 0x30) }, /* Fibocom FG150 Diag */
{ USB_DEVICE_AND_INTERFACE_INFO(0x2cb7, 0x010b, 0xff, 0, 0) }, /* Fibocom FG150 AT */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0111, 0xff) }, /* Fibocom FM160 (MBIM mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0115, 0xff), /* Fibocom FM135 (laptop MBIM) */
+ .driver_info = RSVD(5) },
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a0, 0xff) }, /* Fibocom NL668-AM/NL652-EU (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a2, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a3, 0xff) }, /* Fibocom FM101-GL (laptop MBIM) */
{ USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x01a4, 0xff), /* Fibocom FM101-GL (laptop MBIM) */
.driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a04, 0xff) }, /* Fibocom FM650-CN (ECM mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a05, 0xff) }, /* Fibocom FM650-CN (NCM mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a06, 0xff) }, /* Fibocom FM650-CN (RNDIS mode) */
+ { USB_DEVICE_INTERFACE_CLASS(0x2cb7, 0x0a07, 0xff) }, /* Fibocom FM650-CN (MBIM mode) */
{ USB_DEVICE_INTERFACE_CLASS(0x2df3, 0x9d03, 0xff) }, /* LongSung M5710 */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1404, 0xff) }, /* GosunCn GM500 RNDIS */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1405, 0xff) }, /* GosunCn GM500 MBIM */
{ USB_DEVICE_INTERFACE_CLASS(0x305a, 0x1406, 0xff) }, /* GosunCn GM500 ECM/NCM */
+ { USB_DEVICE(0x33f8, 0x0104), /* Rolling RW101-GL (laptop RMNET) */
+ .driver_info = RSVD(4) | RSVD(5) },
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a2, 0xff) }, /* Rolling RW101-GL (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a3, 0xff) }, /* Rolling RW101-GL (laptop MBIM) */
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x01a4, 0xff), /* Rolling RW101-GL (laptop MBIM) */
+ .driver_info = RSVD(4) },
+ { USB_DEVICE_INTERFACE_CLASS(0x33f8, 0x0115, 0xff), /* Rolling RW135-GL (laptop MBIM) */
+ .driver_info = RSVD(5) },
{ USB_DEVICE_AND_INTERFACE_INFO(OPPO_VENDOR_ID, OPPO_PRODUCT_R11, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x30) },
{ USB_DEVICE_AND_INTERFACE_INFO(SIERRA_VENDOR_ID, SIERRA_PRODUCT_EM9191, 0xff, 0xff, 0x40) },
diff --git a/drivers/usb/typec/mux/it5205.c b/drivers/usb/typec/mux/it5205.c
index 5535932e42cd..4357cc67a867 100644
--- a/drivers/usb/typec/mux/it5205.c
+++ b/drivers/usb/typec/mux/it5205.c
@@ -22,7 +22,7 @@
#include <linux/usb/typec_mux.h>
#define IT5205_REG_CHIP_ID(x) (0x4 + (x))
-#define IT5205FN_CHIP_ID 0x35323035 /* "5205" */
+#define IT5205FN_CHIP_ID 0x35303235 /* "5025" -> "5205" */
/* MUX power down register */
#define IT5205_REG_MUXPDR 0x10
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index c26fb70c3ec6..ab6ed6111ed0 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -6855,14 +6855,14 @@ static int tcpm_pd_set(struct typec_port *p, struct usb_power_delivery *pd)
if (data->sink_desc.pdo[0]) {
for (i = 0; i < PDO_MAX_OBJECTS && data->sink_desc.pdo[i]; i++)
port->snk_pdo[i] = data->sink_desc.pdo[i];
- port->nr_snk_pdo = i + 1;
+ port->nr_snk_pdo = i;
port->operating_snk_mw = data->operating_snk_mw;
}
if (data->source_desc.pdo[0]) {
for (i = 0; i < PDO_MAX_OBJECTS && data->source_desc.pdo[i]; i++)
port->src_pdo[i] = data->source_desc.pdo[i];
- port->nr_src_pdo = i + 1;
+ port->nr_src_pdo = i;
}
switch (port->state) {
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index 31d8a46ae5e7..bd6ae92aa39e 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1736,11 +1736,13 @@ static int ucsi_init(struct ucsi *ucsi)
ucsi->connector = connector;
ucsi->ntfy = ntfy;
+ mutex_lock(&ucsi->ppm_lock);
ret = ucsi->ops->read(ucsi, UCSI_CCI, &cci, sizeof(cci));
+ mutex_unlock(&ucsi->ppm_lock);
if (ret)
return ret;
- if (UCSI_CCI_CONNECTOR(READ_ONCE(cci)))
- ucsi_connector_change(ucsi, cci);
+ if (UCSI_CCI_CONNECTOR(cci))
+ ucsi_connector_change(ucsi, UCSI_CCI_CONNECTOR(cci));
return 0;
diff --git a/drivers/virt/vmgenid.c b/drivers/virt/vmgenid.c
index b67a28da4702..a1c467a0e9f7 100644
--- a/drivers/virt/vmgenid.c
+++ b/drivers/virt/vmgenid.c
@@ -68,7 +68,6 @@ out:
static void vmgenid_notify(struct acpi_device *device, u32 event)
{
struct vmgenid_state *state = acpi_driver_data(device);
- char *envp[] = { "NEW_VMGENID=1", NULL };
u8 old_id[VMGENID_SIZE];
memcpy(old_id, state->this_id, sizeof(old_id));
@@ -76,7 +75,6 @@ static void vmgenid_notify(struct acpi_device *device, u32 event)
if (!memcmp(old_id, state->this_id, sizeof(old_id)))
return;
add_vmfork_randomness(state->this_id, sizeof(state->this_id));
- kobject_uevent_env(&device->dev.kobj, KOBJ_CHANGE, envp);
}
static const struct acpi_device_id vmgenid_ids[] = {