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The flag of FW_ISO_CONTEXT_COMPLETIONS_CAUSE_IRQ directly causes hardIRQ
request by 1394 OHCI hardware when the corresponding isochronous packet is
transferred, however it is not so directly associated to hardIRQ
processing itself.
This commit renames the flag so that it relates to interrupt parameter of
internal packet data.
Link: https://lore.kernel.org/r/20240912133038.238786-6-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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block
It would be possible to put any statement in TP_fast_assign().
This commit obsoletes the helper function and put its statements to
TP_fast_assign() for the code simplicity.
Link: https://lore.kernel.org/r/20240712003010.87341-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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There are two spelling mistakes in the tracepoint message text. Fix them.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240627170847.125531-1-colin.i.king@gmail.com
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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The Linux Kernel Tracepoints framework is enough useful to trace the
interaction between 1394 OHCI hardware and its driver.
This commit adds firewire_ohci subsystem to use the framework. It is
defined as the different subsystem from the existing firewire subsystem.
The definition file for the existing subsystem is slightly changed so that
both subsystems are available in 1394 OHCI driver.
Link: https://lore.kernel.org/r/20240625031806.956650-2-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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isochronous context
It is helpful to trace completion of packets in isochronous context when
the core function is requested them by both in-kernel units driver and
userspace applications.
This commit adds some tracepoints events for the aim.
Link: https://lore.kernel.org/r/20240623220859.851685-8-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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context
It is helpful to trace the queueing packets of isochronous context when
the core function is requested them by both in-kernel unit drivers and
userspace applications.
This commit adds some tracepoints events for the aim.
Link: https://lore.kernel.org/r/20240623220859.851685-7-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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isochronous context
It is helpful to trace the flushing completions of isochronous context when
the core function is requested them by both in-kernel unit drivers and
userspace applications.
This commit adds some tracepoints events for the aim.
Link: https://lore.kernel.org/r/20240623220859.851685-6-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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It is helpful to trace the flushing of isochronous context when the core
function is requested them by both in-kernel unit drivers and userspace
applications.
This commit adds some tracepoints events for the aim.
Link: https://lore.kernel.org/r/20240623220859.851685-5-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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context
It is helpful to trace the starting and stopping of isochronous context
when the core function is requested them by both in-kernel unit drivers
and userspace applications.
This commit adds some tracepoints events for the aim.
Link: https://lore.kernel.org/r/20240623220859.851685-4-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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context
It is helpful to trace the channel setting for the multichannel isochronous
context when the core function is requested it by both in-kernel unit
drivers and userspace applications.
This commit adds some tracepoints events for the aim.
Link: https://lore.kernel.org/r/20240623220859.851685-3-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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isochronous context
It is helpful to trace the allocation and dealocation of isochronous
when the core function is requested them by both in-kernel unit drivers
and userspace applications.
This commit adds some tracepoints events for the aim.
Link: https://lore.kernel.org/r/20240623220859.851685-2-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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Some macros are defined in tracepoints events. They should be back to
undefined state after use.
Link: https://lore.kernel.org/r/20240623083900.777897-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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This patch is for for-next branch.
The selfIDComplete event occurs in the bus managed by one of 1394 OHCI
controller in Linux system, while the existing tracepoints events has
the lack of data about it to distinguish the issued hardware from the
others.
This commit adds card_index member into event structure to store the index
of host controller in use, and prints it.
Link: https://lore.kernel.org/r/20240614004251.460649-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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It is helpful to trace the content of self ID sequence when the core
function building bus topology.
This commit adds a tracepoints event fot the purpose. It seems not to
achieve printing variable length of array in print time without any
storage, thus the structure of event includes a superfluous array to store
the state of port. Additionally, there is no helper function to print
symbol array, thus the state of port is printed as raw value.
Link: https://lore.kernel.org/r/20240605235155.116468-12-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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It is a bit inconvenient to put the relative path to local header from
tree-wide header.
This commit delegates the selection to include headers into users.
Link: https://lore.kernel.org/r/20240605235155.116468-11-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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The bus reset event occurs in the bus managed by one of 1394 OHCI
controller in Linux system, however the existing tracepoints events has
the lack of data about it to distinguish the issued hardware from the
others.
This commit adds card_index member into event structure to store the index
of host controller in use, and prints it.
Link: https://lore.kernel.org/r/20240613131440.431766-9-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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bus_reset_arrange_template
The asynchronous transmission of phy packet is initiated on one of 1394
OHCI controller, however the existing tracepoints events has the lack of
data about it.
This commit adds card_index member into event structure to store the index
of host controller in use, and prints it.
Link: https://lore.kernel.org/r/20240613131440.431766-8-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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The asynchronous transmission of phy packet is initiated on one of 1394
OHCI controller, however the existing tracepoints events has the lack of
data about it.
This commit adds card_index member into event structure to store the index
of host controller in use, and prints it.
Link: https://lore.kernel.org/r/20240613131440.431766-7-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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event
The asynchronous transmission of phy packet is initiated on one of 1394
OHCI controller, however the existing tracepoints events has the lack of
data about it.
This commit adds card_index member into event structure to store the index
of host controller in use, and prints it.
Link: https://lore.kernel.org/r/20240613131440.431766-6-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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event
The asynchronous transaction is initiated on one of 1394 OHCI
controller, however the existing tracepoints events has the lack of data
about it.
This commit adds card_index member into event structure to store the index
of host controller in use, and prints it.
Link: https://lore.kernel.org/r/20240613131440.431766-5-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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async_inbound_template
The asynchronous transaction is initiated on one of 1394 OHCI controller,
however the existing tracepoints events has the lack of data about it.
This commit adds card_index member into event structure to store the index
of host controller in use, and prints it.
Link: https://lore.kernel.org/r/20240613131440.431766-4-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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async_outbound_initiate_template
The asynchronous transaction is initiated on one of 1394 OHCI controller,
however the existing tracepoints events has the lack of data about it.
This commit adds card_index member into event structure to store the index
of host controller in use, and prints it.
Link: https://lore.kernel.org/r/20240613131440.431766-3-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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async_outbound_complete_template
The asynchronous transaction is initiated on one of 1394 OHCI controller,
however the existing tracepoints events has the lack of data about it.
This commit adds card_index member into event structure to store the index
of host controller in use, and prints it.
Link: https://lore.kernel.org/r/20240613131440.431766-2-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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The pointer to fw_packet structure is passed to ring buffer of tracepoints
framework as the value of u64 type. '0x%016llx' is used for the print
format of value, while the flag and width are useless in the case.
This commit removes them.
Link: https://lore.kernel.org/r/20240506082154.396077-2-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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events
The type of time stamp should be u16, instead of u8.
Link: https://lore.kernel.org/r/20240506082154.396077-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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The core function expects hardware drivers to call
fw_core_handle_bus_reset() when changing bus topology. The 1394 OHCI
driver calls it when handling selfID event as a result of any bus-reset.
This commit adds a tracepoints event for it.
Link: https://lore.kernel.org/r/20240501073238.72769-6-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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At a commit 673249124304 ("firewire: core: option to log bus reset
initiation"), some kernel log messages were added to trace initiation of
bus reset. The kernel log messages are really helpful, while nowadays it
is not preferable just for debugging purpose. For the purpose, Linux
kernel tracepoints is more preferable.
This commit adds some alternative tracepoints events.
Link: https://lore.kernel.org/r/20240501073238.72769-4-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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At the former commit, a pair of tracepoints events is added to trace
asynchronous outbound phy packet. This commit adds a tracepoints event
to trace inbound phy packet. It includes transaction status as well as
the content of phy packet.
This is an example for Remote Reply Packet as a response to Remote Access
Packet sent by lsfirewirephy command in linux-firewire-utils:
async_phy_inbound: \
packet=0xffff955fc02b4e10 generation=1 status=1 timestamp=0x0619 \
first_quadlet=0x001c8208 second_quadlet=0xffe37df7
Link: https://lore.kernel.org/r/20240430001404.734657-3-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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In IEEE 1394 bus, the type of asynchronous packet without any offset to
node address space is called as phy packet. The destination of packet is
IEEE 1394 phy itself. This type of packet is used for several purposes,
mainly for selfID at the state of bus reset, to force selection of root
node, and to adjust gap count.
This commit adds tracepoints events for the type of asynchronous outbound
packet. Like asynchronous outbound transaction packets, a pair of events
are added to trace initiation and completion of transmission.
In the case that the phy packet is sent by kernel API, the match between
the initiation and completion is not so easy, since the data of
'struct fw_packet' is allocated statically. In the case that it is sent by
userspace applications via cdev, the match is easy, since the data is
allocated per each.
This example is for Remote Access Packet by lsfirewirephy command in
linux-firewire-utils:
async_phy_outbound_initiate: \
packet=0xffff89fb34e42e78 generation=1 first_quadlet=0x00148200 \
second_quadlet=0xffeb7dff
async_phy_outbound_complete: \
packet=0xffff89fb34e42e78 generation=1 status=1 timestamp=0x0619
Link: https://lore.kernel.org/r/20240430001404.734657-2-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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In a view of core transaction service, the asynchronous outbound response
consists of two stages; initiation and completion.
This commit adds a pair of events for the asynchronous outbound response.
The following example is for asynchronous write quadlet request as IEC
61883-1 FCP response to node 0xffc1.
async_response_outbound_initiate: \
transaction=0xffff89fa08cf16c0 generation=4 scode=2 dst_id=0xffc1 \
tlabel=25 tcode=2 src_id=0xffc0 rcode=0 \
header={0xffc16420,0xffc00000,0x0,0x0} data={}
async_response_outbound_complete: \
transaction=0xffff89fa08cf16c0 generation=4 scode=2 status=1 \
timestamp=0x0000
Link: https://lore.kernel.org/r/20240429043218.609398-6-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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This commit adds an event for asynchronous inbound request.
The following example is for asynchronous block write request as IEC
61883-1 FCP request from node 0xffc1.
async_request_inbound: \
transaction=0xffff89fa08cf16c0 generation=4 scode=2 status=2 \
timestamp=0x00b3 dst_id=0xffc0 tlabel=19 tcode=1 src_id=0xffc1 \
offset=0xfffff0000d00 header={0xffc04d10,0xffc1ffff,0xf0000d00,0x80000} \
data={0x19ff08,0xffff0090}
Link: https://lore.kernel.org/r/20240429043218.609398-5-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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In the transaction of IEEE 1394, the node to receive the asynchronous
request transfers any response packet to the requester except for the
unified transaction.
This commit adds an event for the inbound packet. Note that the code to
decode the packet header is moved, against the note about the sanity
check.
The following example is for asynchronous lock response with
compare_and_swap code.
async_response_inbound: \
transaction=0xffff955fc6a07a10 generation=5 scode=2 status=1 \
timestamp=0x0089 dst_id=0xffc1 tlabel=54 tcode=11 src_id=0xffc0 \
rcode=0 header={0xffc1d9b0,0xffc00000,0x0,0x40002} data={0x50800080}
Link: https://lore.kernel.org/r/20240429043218.609398-4-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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In a view of core transaction service, the asynchronous outbound request
consists of two stages; initiation and completion. This commit adds a pair
of event for them.
The following example is for asynchronous lock request with compare_swap
code to offset 0x'ffff'f000'0904 in node 0xffc0.
async_request_outbound_initiate: \
transaction=0xffff955fc6a07a10 generation=5 scode=2 dst_id=0xffc0 \
tlabel=54 tcode=9 src_id=0xffc1 offset=0xfffff0000904 \
header={0xffc0d990,0xffc1ffff,0xf0000904,0x80002}
data={0x80,0x940181}
async_request_outbound_complete: \
transaction=0xffff955fc6a07a10 generation=5 scode=2 status=2 \
timestamp=0xd887
Link: https://lore.kernel.org/r/20240429043218.609398-3-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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The Linux Kernel Tracepoints framework is enough useful to trace
packet data inbound to and outbound from core.
This commit adds firewire subsystem to use the framework.
Link: https://lore.kernel.org/r/20240429043218.609398-2-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
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