From: Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Arnd Bergmann <arnd@arndb.de>, Jonathan Corbet <corbet@lwn.net>,
Derek Kiernan <derek.kiernan@xilinx.com>,
Dragan Cvetic <dragan.cvetic@xilinx.com>,
Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>,
Tomasz Jankowski <tomasz1.jankowski@intel.com>,
Savo Novakovic <savox.novakovic@intel.com>
Subject: [PATCH v3 05/14] intel_gna: initialize mmu
Date: Thu, 13 May 2021 13:00:31 +0200 [thread overview]
Message-ID: <20210513110040.2268-6-maciej.kwapulinski@linux.intel.com> (raw)
In-Reply-To: <20210513110040.2268-1-maciej.kwapulinski@linux.intel.com>
From: Tomasz Jankowski <tomasz1.jankowski@intel.com>
Setup mmu in the driver with a new memory component.
Signed-off-by: Tomasz Jankowski <tomasz1.jankowski@intel.com>
Tested-by: Savo Novakovic <savox.novakovic@intel.com>
Co-Developed-by: Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>
Signed-off-by: Maciej Kwapulinski <maciej.kwapulinski@linux.intel.com>
---
drivers/misc/intel/gna/device.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/misc/intel/gna/device.c b/drivers/misc/intel/gna/device.c
index ed7d3c0223df..50cac8139dcc 100644
--- a/drivers/misc/intel/gna/device.c
+++ b/drivers/misc/intel/gna/device.c
@@ -59,6 +59,18 @@ int gna_probe(struct device *parent, struct gna_dev_info *dev_info, void __iomem
bld_reg = gna_reg_read(gna_priv, GNA_MMIO_IBUFFS);
gna_priv->hw_info.in_buf_s = bld_reg & GENMASK(7, 0);
+ ret = gna_mmu_alloc(gna_priv);
+ if (ret) {
+ dev_err(parent, "mmu allocation failed\n");
+ return ret;
+
+ }
+ dev_dbg(parent, "maximum memory size %llu num pd %d\n",
+ gna_priv->info.max_hw_mem, gna_priv->info.num_pagetables);
+ dev_dbg(parent, "desc rsvd size %d mmu vamax size %d\n",
+ gna_priv->info.desc_info.rsvd_size,
+ gna_priv->info.desc_info.mmu_info.vamax_size);
+
mutex_init(&gna_priv->mmu_lock);
idr_init(&gna_priv->memory_idr);
--
2.28.0
next prev parent reply other threads:[~2021-05-13 11:02 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-13 11:00 [PATCH v3 00/14] Driver of Intel(R) Gaussian & Neural Accelerator Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 01/14] intel_gna: add driver module Maciej Kwapulinski
2021-05-13 11:13 ` Greg Kroah-Hartman
2021-05-13 11:00 ` [PATCH v3 02/14] intel_gna: add component of hardware operation Maciej Kwapulinski
2021-05-13 11:15 ` Greg Kroah-Hartman
2021-05-13 11:00 ` [PATCH v3 03/14] intel_gna: read hardware info in the driver Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 04/14] intel_gna: add memory handling Maciej Kwapulinski
2021-05-13 11:00 ` Maciej Kwapulinski [this message]
2021-05-13 11:00 ` [PATCH v3 06/14] intel_gna: add hardware ids Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 07/14] intel_gna: add request component Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 08/14] intel_gna: implement scoring Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 09/14] intel_gna: add a work queue to process scoring requests Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 10/14] intel_gna: add interrupt handler Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 11/14] intel_gna: add ioctl handler Maciej Kwapulinski
2021-05-13 11:24 ` Greg Kroah-Hartman
2021-05-14 8:20 ` Maciej Kwapulinski
2021-05-14 8:32 ` Greg Kroah-Hartman
2021-05-24 10:43 ` Maciej Kwapulinski
2021-05-24 10:49 ` Greg Kroah-Hartman
2021-05-25 7:50 ` Maciej Kwapulinski
2021-05-13 14:16 ` Matthew Wilcox
[not found] ` <20210514101253.1037-1-hdanton@sina.com>
2021-05-14 15:06 ` Maciej Kwapulinski
2021-05-13 11:00 ` [PATCH v3 12/14] intel_gna: add a 'misc' device Maciej Kwapulinski
2021-05-13 11:18 ` Greg Kroah-Hartman
2021-05-13 17:06 ` Maciej Kwapulinski
2021-05-13 17:15 ` Greg Kroah-Hartman
2021-05-13 11:00 ` [PATCH v3 13/14] intel_gna: add file operations to " Maciej Kwapulinski
2021-05-13 11:19 ` Greg Kroah-Hartman
2021-05-13 11:00 ` [PATCH v3 14/14] intel_gna: add power management Maciej Kwapulinski
2021-05-14 8:34 ` [PATCH v3 00/14] Driver of Intel(R) Gaussian & Neural Accelerator Greg Kroah-Hartman
2021-05-14 9:00 ` Arnd Bergmann
2021-05-17 7:40 ` Daniel Vetter
2021-05-17 8:00 ` Greg Kroah-Hartman
2021-05-17 8:49 ` Daniel Vetter
2021-05-17 8:55 ` Greg Kroah-Hartman
2021-05-17 9:12 ` Daniel Vetter
2021-05-17 18:04 ` Dave Airlie
2021-05-17 19:12 ` Thomas Zimmermann
2021-05-17 19:23 ` Alex Deucher
2021-05-17 19:39 ` Daniel Vetter
2021-05-17 19:49 ` Thomas Zimmermann
2021-05-17 20:00 ` Daniel Vetter
2021-05-17 20:15 ` Thomas Zimmermann
2021-05-17 19:32 ` Daniel Stone
2021-05-17 20:10 ` Thomas Zimmermann
2021-05-17 21:24 ` Daniel Vetter
2021-05-17 21:36 ` Dave Airlie
2021-06-16 7:38 ` Maciej Kwapulinski
2022-06-20 9:49 ` maciej.kwapulinski
2022-06-20 9:56 ` Greg KH
2022-06-20 10:08 ` Maciej Kwapulinski
2022-06-20 10:26 ` Greg KH
2022-06-25 17:25 ` Daniel Vetter
2021-05-20 11:58 ` Linus Walleij
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