diff options
| author |  Takashi Sakamoto <o-takashi@sakamocchi.jp>
| 2024-04-29 13:32:17 +0900 |
|---|---|---|
| committer | Takashi Sakamoto <o-takashi@sakamocchi.jp>
| 2024-05-06 11:06:05 +0900 |
| commit | 2c945b10d7a6ef923e945ef031e9cfa78671fb3f (patch) | |
| tree | 8f467731072397667ecd5ac8bb8ceec74a66661c /drivers/firewire | |
| parent | firewire: core: add tracepoints event for asynchronous inbound response (diff) | |
| download | linux-2c945b10d7a6ef923e945ef031e9cfa78671fb3f.tar.gz linux-2c945b10d7a6ef923e945ef031e9cfa78671fb3f.tar.bz2 linux-2c945b10d7a6ef923e945ef031e9cfa78671fb3f.zip | |
firewire: core: add tracepoint event for asynchronous inbound request
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>
Diffstat (limited to 'drivers/firewire')
| -rw-r--r-- | drivers/firewire/core-transaction.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c index 56510d305564..8c13f996a938 100644 --- a/drivers/firewire/core-transaction.c +++ b/drivers/firewire/core-transaction.c @@ -973,11 +973,13 @@ void fw_core_handle_request(struct fw_card *card, struct fw_packet *p) { struct fw_request *request; unsigned long long offset; + unsigned int tcode; if (p->ack != ACK_PENDING && p->ack != ACK_COMPLETE) return; - if (tcode_is_link_internal(async_header_get_tcode(p->header))) { + tcode = async_header_get_tcode(p->header); + if (tcode_is_link_internal(tcode)) { fw_cdev_handle_phy_packet(card, p); return; } @@ -988,6 +990,10 @@ void fw_core_handle_request(struct fw_card *card, struct fw_packet *p) return; } + trace_async_request_inbound((uintptr_t)request, p->generation, p->speed, p->ack, + p->timestamp, p->header, request->data, + tcode_is_read_request(tcode) ? 0 : request->length / 4); + offset = async_header_get_offset(p->header); if (!is_in_fcp_region(offset, request->length)) |