zynqmp_pm_efuse_access(9)

💅 zynqmp_pm_efuse_access 💅

okay so this is the kernel API manual page for zynqmp_pm_efuse_access(9) — yes bestie, we're in the kernel API manual section, section 9, and this little icon is your all-access pass to the efuse memory. let's get into it ✨

---

🎀 NAME 🎀

zynqmp_pm_efuse_access — literally just, provides access to efuse memory. that's the whole vibe. 🫶

---

🌸 SYNOPSIS 🌸

int zynqmp_pm_efuse_access (const u64 address , u32 *out );

it gives back an int, takes a const u64 address and a u32 *out. slay.

---

✨ ARGUMENTS ✨

• address — the address of the efuse params structure. yes, the params structure specifically, not just any old address, iykyk 👀
• out — the returned output value. it's where the good stuff lands, u32 * and all 💖

---

🔥 RETURN 🔥

returns status — either success or an error code. no cap, that's it. short and iconic 👑

---

🦋 SEE ALSO 🦋

okay this is the part where the page just keeps going, and honestly? main character energy. the kernel file first:

./drivers/firmware/xilinx/zynqmp.c, and then the whole friend group:

• struct zynqmp_devinfo(9)
• struct pm_api_feature_data(9)
• zynqmp_pm_ret_code(9)
• do_fw_call_smc(9)
• do_fw_call_hvc(9)
• zynqmp_pm_feature(9)
• zynqmp_pm_is_function_supported(9)
• zynqmp_pm_invoke_fw_fn(9)
• zynqmp_pm_invoke_fn(9)
• zynqmp_pm_get_api_version(9)
• zynqmp_pm_get_chipid(9)
• zynqmp_pm_get_family_info(9)
• zynqmp_pm_get_sip_svc_version(9)
• zynqmp_pm_get_trustzone_version(9)
• get_set_conduit_method(9)
• zynqmp_pm_query_data(9)
• zynqmp_pm_clock_enable(9)
• zynqmp_pm_clock_disable(9)
• zynqmp_pm_clock_getstate(9)
• zynqmp_pm_clock_setdivider(9)
• zynqmp_pm_clock_getdivider(9)
• zynqmp_pm_clock_setparent(9)
• zynqmp_pm_clock_getparent(9)
• zynqmp_pm_set_pll_frac_mode(9)
• zynqmp_pm_get_pll_frac_mode(9)
• zynqmp_pm_set_pll_frac_data(9)
• zynqmp_pm_get_pll_frac_data(9)
• zynqmp_pm_set_sd_tapdelay(9)
• zynqmp_pm_sd_dll_reset(9)
• zynqmp_pm_ospi_mux_select(9)
• zynqmp_pm_write_ggs(9)
• zynqmp_pm_read_ggs(9)
• zynqmp_pm_write_pggs(9)
• zynqmp_pm_read_pggs(9)
• zynqmp_pm_set_boot_health_status(9)
• zynqmp_pm_reset_assert(9)
• zynqmp_pm_reset_get_status(9)
• zynqmp_pm_fpga_load(9)
• zynqmp_pm_fpga_get_status(9)
• zynqmp_pm_fpga_get_config_status(9)
• zynqmp_pm_pinctrl_request(9)
• zynqmp_pm_pinctrl_release(9)
• zynqmp_pm_pinctrl_set_function(9)
• zynqmp_pm_pinctrl_get_config(9)
• zynqmp_pm_pinctrl_set_config(9)
• zynqmp_pm_bootmode_read(9)
• zynqmp_pm_bootmode_write(9)
• zynqmp_pm_init_finalize(9)
• zynqmp_pm_set_suspend_mode(9)
• zynqmp_pm_request_node(9)
• zynqmp_pm_release_node(9)
• zynqmp_pm_get_rpu_mode(9)
• zynqmp_pm_set_rpu_mode(9)
• zynqmp_pm_set_tcm_config(9)
• zynqmp_pm_get_node_status(9)
• zynqmp_pm_get_rpu_node_status(9)
• zynqmp_pm_force_pwrdwn(9)
• zynqmp_pm_request_wake(9)
• zynqmp_pm_start_rpu(9)
• zynqmp_pm_stop_rpu(9)
• zynqmp_pm_set_requirement(9)
• zynqmp_pm_load_pdi(9)
• zynqmp_pm_register_notifier(9)
• zynqmp_pm_system_shutdown(9)
• zynqmp_pm_set_feature_config(9)
• zynqmp_pm_get_feature_config(9)
• zynqmp_pm_sec_read_reg(9)
• zynqmp_pm_sec_mask_write_reg(9)
• zynqmp_pm_set_sd_config(9)
• zynqmp_pm_set_gem_config(9)
• struct zynqmp_pm_shutdown_scope(9)
• zynqmp_pm_is_shutdown_scope_valid(9)
• zynqmp_clear_pm_state(9)

---

and that's the whole page bestie!! go read some efuses, stay hydrated, and remember: success or error code, there is no third option 💀✨

source/version: ./drivers/firmware/xilinx — dated October 2026 🎀 that's the sign-off, mwah, love u, bye 💖