From: Tom Zanussi <tom.zanussi@linux.intel.com>
To: herbert@gondor.apana.org.au, davem@davemloft.net,
fenghua.yu@intel.com, vkoul@kernel.org
Cc: dave.jiang@intel.com, tony.luck@intel.com,
wajdi.k.feghali@intel.com, james.guilford@intel.com,
kanchana.p.sridhar@intel.com, giovanni.cabiddu@intel.com,
linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
dmaengine@vger.kernel.org
Subject: [PATCH v2 02/15] dmaengine: idxd: add external module driver support for dsa_bus_type
Date: Tue, 28 Mar 2023 10:35:22 -0500 [thread overview]
Message-ID: <20230328153535.126223-3-tom.zanussi@linux.intel.com> (raw)
In-Reply-To: <20230328153535.126223-1-tom.zanussi@linux.intel.com>
From: Dave Jiang <dave.jiang@intel.com>
Add support to allow an external driver to be registered to the
dsa_bus_type and also auto-loaded.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
---
drivers/dma/idxd/bus.c | 6 ++++++
drivers/dma/idxd/idxd.h | 3 +++
2 files changed, 9 insertions(+)
diff --git a/drivers/dma/idxd/bus.c b/drivers/dma/idxd/bus.c
index 6f84621053c6..0c9e689a2e77 100644
--- a/drivers/dma/idxd/bus.c
+++ b/drivers/dma/idxd/bus.c
@@ -67,11 +67,17 @@ static void idxd_config_bus_remove(struct device *dev)
idxd_drv->remove(idxd_dev);
}
+static int idxd_bus_uevent(const struct device *dev, struct kobj_uevent_env *env)
+{
+ return add_uevent_var(env, "MODALIAS=" IDXD_DEVICES_MODALIAS_FMT, 0);
+}
+
struct bus_type dsa_bus_type = {
.name = "dsa",
.match = idxd_config_bus_match,
.probe = idxd_config_bus_probe,
.remove = idxd_config_bus_remove,
+ .uevent = idxd_bus_uevent,
};
EXPORT_SYMBOL_GPL(dsa_bus_type);
diff --git a/drivers/dma/idxd/idxd.h b/drivers/dma/idxd/idxd.h
index 505118fc19de..719f9f1662ad 100644
--- a/drivers/dma/idxd/idxd.h
+++ b/drivers/dma/idxd/idxd.h
@@ -587,6 +587,9 @@ static inline int idxd_wq_driver_name_match(struct idxd_wq *wq, struct device *d
return (strncmp(wq->driver_name, dev->driver->name, strlen(dev->driver->name)) == 0);
}
+#define MODULE_ALIAS_IDXD_DEVICE(type) MODULE_ALIAS("idxd:t" __stringify(type) "*")
+#define IDXD_DEVICES_MODALIAS_FMT "idxd:t%d"
+
int __must_check __idxd_driver_register(struct idxd_device_driver *idxd_drv,
struct module *module, const char *mod_name);
#define idxd_driver_register(driver) \
--
2.34.1
next prev parent reply other threads:[~2023-03-28 15:35 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-28 15:35 [PATCH v2 00/15] crypto: Add Intel Analytics Accelerator (IAA) crypto compression driver Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 01/15] dmaengine: idxd: add wq driver name support for accel-config user tool Tom Zanussi
2023-03-28 15:35 ` Tom Zanussi [this message]
2023-03-28 15:35 ` [PATCH v2 03/15] dmaengine: idxd: Export drv_enable/disable and related functions Tom Zanussi
2023-03-28 16:02 ` Dave Jiang
2023-03-28 15:35 ` [PATCH v2 04/15] dmaengine: idxd: Export descriptor management functions Tom Zanussi
2023-03-28 16:04 ` Dave Jiang
2023-03-28 16:12 ` Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 05/15] dmaengine: idxd: Export wq resource " Tom Zanussi
2023-03-28 16:04 ` Dave Jiang
2023-03-28 15:35 ` [PATCH v2 06/15] dmaengine: idxd: Add private_data to struct idxd_wq Tom Zanussi
2023-03-28 16:06 ` Dave Jiang
2023-03-28 16:13 ` Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 07/15] dmaengine: idxd: add callback support for iaa crypto Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 08/15] crypto: iaa - Add IAA Compression Accelerator Documentation Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 09/15] crypto: iaa - Add Intel IAA Compression Accelerator crypto driver core Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 10/15] crypto: iaa - Add per-cpu workqueue table with rebalancing Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 11/15] crypto: iaa - Add compression mode management along with fixed mode Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 12/15] crypto: iaa - Add support for iaa_crypto deflate compression algorithm Tom Zanussi
2023-04-06 8:00 ` Herbert Xu
2023-04-06 14:43 ` Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 13/15] crypto: iaa - Add support for default IAA 'canned' compression mode Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 14/15] crypto: iaa - Add irq support for the crypto async interface Tom Zanussi
2023-03-28 15:35 ` [PATCH v2 15/15] crypto: iaa - Add IAA Compression Accelerator stats Tom Zanussi
[not found] ` <20230329075149.2736-1-hdanton@sina.com>
2023-03-29 14:58 ` [PATCH v2 10/15] crypto: iaa - Add per-cpu workqueue table with rebalancing Tom Zanussi
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