STRUCT STRATIX10_RSU_PRIV(9)

💖 NAME

struct stratix10_rsu_priv — rsu data structure. This is the struct stratix10_rsu_priv(9) page from the Kernel API Manual, and bestie, we are going member by member, no skips, no cap. 🫶

🎀 SYNOPSIS

Okay so here's the whole struct, exactly as it is, because we do not mess with code:

       struct stratix10_rsu_priv {
           struct stratix10_svc_chan *chan;
           struct stratix10_svc_client client;
           struct completion completion;
           struct mutex lock;
           bool async;
           struct {
             unsigned long current_image;
             unsigned long fail_image;
             unsigned int version;
             unsigned int state;
             unsigned int error_details;
             unsigned int error_location;
           } status;
           struct {
             unsigned int dcmf0;
             unsigned int dcmf1;
             unsigned int dcmf2;
             unsigned int dcmf3;
           } dcmf_version;
           struct {
             unsigned int dcmf0;
             unsigned int dcmf1;
             unsigned int dcmf2;
             unsigned int dcmf3;
           } dcmf_status;
           struct flash_device_info device_info[4];
           unsigned int retry_counter;
           unsigned int max_retry;
           unsigned long spt0_address;
           unsigned long spt1_address;
           unsigned int *get_spt_response_buf;
        };

👑 Members

• chan — pointer to the allocated service channel. it's giving allocated channel energy ✨
• client — the active service client. main character client, honestly 💅
• completion — state for callback completion.
• lock — a mutex to protect callback completion state. do not skip the lock, bestie 🔒
• async — supports async operations.
• status.current_image — address of image currently running in flash.
• status.fail_image — address of failed image in flash.
• status.version — the interface version number of RSU firmware.
• status.state — the state of RSU system.
• status.error_details — error code.
• status.error_location — the error offset inside the image that failed.
• dcmf_version.dcmf0 — Quartus dcmf0 version.
• dcmf_version.dcmf1 — Quartus dcmf1 version.
• dcmf_version.dcmf2 — Quartus dcmf2 version.
• dcmf_version.dcmf3 — Quartus dcmf3 version.
• dcmf_status.dcmf0 — dcmf0 status.
• dcmf_status.dcmf1 — dcmf1 status.
• dcmf_status.dcmf2 — dcmf2 status.
• dcmf_status.dcmf3 — dcmf3 status.
• device_info — per-device flash information array; each entry contains size and erase size for one flash device. and yes, the struct declares it as device_info[4] 🌸
• retry_counter — the current image's retry counter.
• max_retry — the preset max retry value.
• spt0_address — address of spt0.
• spt1_address — address of spt1.
• get_spt_response_buf — response from sdm for get_spt command.

🦋 SEE ALSO

• Kernel file ./drivers/firmware/stratix10-rsu.c
• rsu_device_info_set_from_packed(9)
• rsu_device_info_invalidate(9)
• rsu_status_callback(9)
• rsu_async_status_callback(9)
• rsu_command_callback(9)
• rsu_retry_callback(9)
• rsu_max_retry_callback(9)
• rsu_dcmf_version_callback(9)
• rsu_dcmf_status_callback(9)
• rsu_get_device_info_callback(9)
• rsu_async_get_spt_table_callback(9)
• __rsu_send_msg_locked(9)
• rsu_send_msg(9)
• rsu_try_send_msg(9)
• soc64_async_callback(9)
• rsu_send_async_msg(9)

mwah 💋 footer vibes: source ./drivers/firmware, dated October 2026, and it's still struct stratix10_rsu_priv(9) — byeee bestie, you ate this whole struct and left no crumbs 🫶✨