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scsi: docs: convert megaraid.txt to ReST
Link: https://lore.kernel.org/r/b7ee59230c5a33ff6d60edba0d0bcf3e2aeaa88f.1583136624.git.mchehab+huawei@kernel.org Signed-off-by: Mauro Carvalho Chehab <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
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@@ -26,5 +26,6 @@ Linux SCSI Subsystem | |
libsas | ||
link_power_management_policy | ||
lpfc | ||
megaraid | ||
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scsi_transport_srp/figures |
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@@ -1,7 +1,10 @@ | ||
Notes on Management Module | ||
~~~~~~~~~~~~~~~~~~~~~~~~~~ | ||
.. SPDX-License-Identifier: GPL-2.0 | ||
Overview: | ||
========================== | ||
Notes on Management Module | ||
========================== | ||
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Overview | ||
-------- | ||
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Different classes of controllers from LSI Logic accept and respond to the | ||
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@@ -25,28 +28,32 @@ ioctl commands. But this module is envisioned to handle all user space level | |
interactions. So any 'proc', 'sysfs' implementations will be localized in this | ||
common module. | ||
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Credits: | ||
Credits | ||
------- | ||
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"Shared code in a third module, a "library module", is an acceptable | ||
solution. modprobe automatically loads dependent modules, so users | ||
running "modprobe driver1" or "modprobe driver2" would automatically | ||
load the shared library module." | ||
:: | ||
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"Shared code in a third module, a "library module", is an acceptable | ||
solution. modprobe automatically loads dependent modules, so users | ||
running "modprobe driver1" or "modprobe driver2" would automatically | ||
load the shared library module." | ||
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- Jeff Garzik ([email protected]), 02.25.2004 LKML | ||
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- Jeff Garzik ([email protected]), 02.25.2004 LKML | ||
:: | ||
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"As Jeff hinted, if your userspace<->driver API is consistent between | ||
your new MPT-based RAID controllers and your existing megaraid driver, | ||
then perhaps you need a single small helper module (lsiioctl or some | ||
better name), loaded by both mptraid and megaraid automatically, which | ||
handles registering the /dev/megaraid node dynamically. In this case, | ||
both mptraid and megaraid would register with lsiioctl for each | ||
adapter discovered, and lsiioctl would essentially be a switch, | ||
redirecting userspace tool ioctls to the appropriate driver." | ||
"As Jeff hinted, if your userspace<->driver API is consistent between | ||
your new MPT-based RAID controllers and your existing megaraid driver, | ||
then perhaps you need a single small helper module (lsiioctl or some | ||
better name), loaded by both mptraid and megaraid automatically, which | ||
handles registering the /dev/megaraid node dynamically. In this case, | ||
both mptraid and megaraid would register with lsiioctl for each | ||
adapter discovered, and lsiioctl would essentially be a switch, | ||
redirecting userspace tool ioctls to the appropriate driver." | ||
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- Matt Domsch, ([email protected]), 02.25.2004 LKML | ||
- Matt Domsch, ([email protected]), 02.25.2004 LKML | ||
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Design: | ||
Design | ||
------ | ||
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The Common Management Module is implemented in megaraid_mm.[ch] files. This | ||
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@@ -61,7 +68,7 @@ uioc_t. The management module converts the older ioctl packets from the older | |
applications into uioc_t. After driver handles the uioc_t, the common module | ||
will convert that back into the old format before returning to applications. | ||
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As new applications evolve and replace the old ones, the old packet format | ||
As new applications evolve and replace the old ones, the old packet format | ||
will be retired. | ||
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Common module dedicates one uioc_t packet to each controller registered. This | ||
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@@ -10639,7 +10639,7 @@ L: [email protected] | |
L: [email protected] | ||
W: http://www.avagotech.com/support/ | ||
S: Maintained | ||
F: Documentation/scsi/megaraid.txt | ||
F: Documentation/scsi/megaraid.rst | ||
F: drivers/scsi/megaraid.* | ||
F: drivers/scsi/megaraid/ | ||
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