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firewire: core: add fw_iso_context_create() variant with header storage size

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This commit adds a new variant of fw_iso_context_create() that allows
specifying the size of the isochronous context header storage at
allocation time.

Link: https://lore.kernel.org/r/20260117142823.440811-9-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
This commit is contained in:
Takashi Sakamoto
2026-01-17 23:28:21 +09:00
parent 9bf71acd65
commit e5f1291b6f
1 changed files with 10 additions and 0 deletions
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10
include/linux/firewire.h
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@@ -584,6 +584,16 @@ static inline struct fw_iso_context *fw_iso_context_create(struct fw_card *card,
callback_data);
}
static inline struct fw_iso_context *fw_iso_context_create_with_header_storage_size(
struct fw_card *card, int type, int channel, int speed, size_t header_size,
size_t header_storage_size, fw_iso_callback_t callback, void *callback_data)
{
union fw_iso_callback cb = { .sc = callback };
return __fw_iso_context_create(card, type, channel, speed, header_size, header_storage_size,
cb, callback_data);
}
/**
* fw_iso_context_schedule_flush_completions() - schedule work item to process isochronous context.
* @ctx: the isochronous context