megasas_alloc_ctrl_mem(9)

🌸 NAME 🌸

Okay so bestie, this is megasas_alloc_ctrl_mem(9) from the Kernel API Manual, and it is literally about allocating per controller memory for core data structures which are not common across MFI adapters and fusion adapters. For MFI based adapters, it allocates producer and consumer buffers. For fusion adapters, it allocates memory for fusion context. That is the whole assignment, no cap. 💅

✨ SYNOPSIS ✨

int megasas_alloc_ctrl_mem (struct megasas_instance *instance );

🎀 ARGUMENTS 🎀

• instance — Adapter soft state. That is the argument, bestie. 🫶

⭐ RETURN ⭐

• 0 for SUCCESS. Periodt. ✅

🦋 SEE ALSO 🦋

The kernel file is ./drivers/scsi/megaraid/megaraid_sas_base.c, and the whole reference bestie list is right here — every single one is iconic, do not skip any:

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_dump_fusion_io(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_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)

Cute sign-off time: source/version is ./drivers/scsi/megaraid, date is October 2026, and the page title is megasas_alloc_ctrl_mem(9) — periodt. 💅✨