megasas_dump_fusion_io(9)

✨ megasas_dump_fusion_io ✨

okay bestie, so this is a kernel API manual page for megasas_dump_fusion_io(9) and honestly it's giving "underrated debugging icon" 💅 like it's not the most famous function in the megaraid universe but it absolutely has main character energy when you're tryna figure out what's going on with a SCSI IO. no cap.

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🎀 NAME 🎀

megasas_dump_fusion_io — literally this function's whole job is to print out the key deets of a SCSI IO. that's it. that's the vibe. it's a dump function, it dumps the good stuff, periodt. 💖

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🌸 SYNOPSIS 🌸

void megasas_dump_fusion_io (struct scsi_cmnd *scmd );

so yeah, it returns void (no return value, she just does her thing and leaves ✨) and it takes exactly one argument. slay.

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🦋 ARGUMENTS 🦋

• scmd — this is a SCSI command pointer for the SCSI IO. basically you hand her a pointer to the SCSI command struct and she's like "omg okay let me print the key details of this." that's the whole assignment. 🫶

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💜 SEE ALSO 💜

okay so there are a lot of friends in this function's orbit — like this is a whole group chat of megaraid_sas functions and honestly the way they all support each other is so iconic. the kernel file lives at ./drivers/scsi/megaraid/megaraid_sas_base.c btw, iykyk.

here's the full squad, no one gets left out (not me listing every single one 😭):

• megasas_set_dma_settings(9), megasas_get_cmd(9), megasas_return_cmd(9),
• megasas_decode_evt(9), megasas_enable_intr_xscale(9),
• megasas_disable_intr_xscale(9), megasas_read_fw_status_reg_xscale(9),
• megasas_clear_intr_xscale(9), megasas_fire_cmd_xscale(9),
• megasas_adp_reset_xscale(9), megasas_check_reset_xscale(9),
• megasas_enable_intr_ppc(9), megasas_disable_intr_ppc(9),
• megasas_read_fw_status_reg_ppc(9), megasas_clear_intr_ppc(9),
• megasas_fire_cmd_ppc(9), megasas_check_reset_ppc(9),
• megasas_enable_intr_skinny(9), megasas_disable_intr_skinny(9),
• megasas_read_fw_status_reg_skinny(9), megasas_clear_intr_skinny(9),
• megasas_fire_cmd_skinny(9), megasas_check_reset_skinny(9),
• megasas_enable_intr_gen2(9), megasas_disable_intr_gen2(9),
• megasas_read_fw_status_reg_gen2(9), megasas_clear_intr_gen2(9),
• megasas_fire_cmd_gen2(9), megasas_adp_reset_gen2(9),
• megasas_check_reset_gen2(9), megasas_issue_polled(9),
• megasas_issue_blocked_cmd(9), megasas_issue_blocked_abort_cmd(9),
• megasas_make_sgl32(9), megasas_make_sgl64(9),
• megasas_make_sgl_skinny(9), megasas_build_dcdb(9),
• megasas_build_ldio(9), megasas_cmd_type(9), megasas_queue_command(9),
• megasas_complete_cmd_dpc(9), megasas_start_timer(9),
• megasas_wait_for_outstanding(9), megasas_generic_reset(9),
• megasas_reset_timer(9), megasas_dump(9), megasas_dump_reg_set(9),
• megasas_reset_bus_host(9), megasas_task_abort(9),
• megasas_reset_target(9), megasas_bios_param(9), megasas_service_aen(9),
• megasas_complete_int_cmd(9), megasas_complete_abort(9),
• megasas_complete_cmd(9), megasas_issue_pending_cmds_again(9),
• megasas_deplete_reply_queue(9), megasas_isr(9),
• megasas_transition_to_ready(9), megasas_teardown_frame_pool(9),
• megasas_create_frame_pool(9), megasas_free_cmds(9),
• megasas_alloc_cmds(9), megasas_ld_list_query(9),
• megasas_host_device_list_query(9), megasas_get_ctrl_info(9),
• megasas_issue_init_mfi(9), megasas_setup_irqs_msix(9),
• megasas_setup_jbod_map(9), megasas_get_device_list(9),
• megasas_set_high_iops_queue_affinity_and_hint(9),
• megasas_alloc_irq_vectors(9), megasas_init_fw(9),
• megasas_release_mfi(9), megasas_get_seq_num(9), megasas_register_aen(9),
• megasas_start_aen(9), megasas_io_attach(9), megasas_set_dma_mask(9),
• megasas_alloc_ctrl_mem(9), megasas_alloc_ctrl_dma_buffers(9),
• megasas_probe_one(9), megasas_flush_cache(9),
• megasas_shutdown_controller(9), megasas_suspend(9), megasas_resume(9),
• megasas_detach_one(9), megasas_shutdown(9), megasas_mgmt_fw_ioctl(9),
• megasas_mgmt_ioctl(9), megasas_update_device_list(9),
• megasas_add_remove_devices(9), megasas_init(9), megasas_exit(9)

okay so that's the full list and yeah it's long but like... that's the megaraid family for you. they're all connected. it's giving "found family" energy fr fr. 🌈

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💀 lowkey important note: this function does not return anything (it's void, bestie), so don't go looking for a return value. she prints the details and dips. that's the whole story.

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okay that's the tea on megasas_dump_fusion_io(9)! source/version lives in ./drivers/scsi/megaraid and the date on this one is October 2026 — so yeah, she's from the future, iconic behavior honestly. ✨ go forth and debug, bestie! 🎀🦋💖