Lines Matching +full:processor +full:- +full:a +full:- +full:side
1 .. SPDX-License-Identifier: GPL-2.0
4 AMD SIDE BAND interface
8 functionality via side-band interface (SBI) called
10 based 2-wire processor target interface. APML is used to
12 (SB Remote Management Interface (SB-RMI)
13 and SB Temperature Sensor Interface (SB-TSI)).
18 .. [1] https://www.amd.com/content/dam/amd/en/documents/epyc-technical-docs/programmer-references/5…
24 apml_sbrmi driver under the drivers/misc/amd-sbi creates miscdevice
25 /dev/sbrmi-* to let user space programs run APML mailbox, CPUID,
31 $ ls -al /dev/sbrmi-3c
32 crw------- 1 root root 10, 53 Jul 10 11:13 /dev/sbrmi-3c
46 * APML Mailbox messages and Register xfer access are read-write,
47 * CPUID and MCA_MSR access is read-only.
53 .. kernel-doc:: include/uapi/misc/amd-apml.h
56 .. kernel-doc:: include/uapi/misc/amd-apml.h
59 .. kernel-doc:: include/uapi/misc/amd-apml.h
62 .. kernel-doc:: include/uapi/misc/amd-apml.h
65 User-space usage
68 To access side band interface from a C program.
71 #include <uapi/misc/amd-apml.h>
80 file = open("/dev/sbrmi-*", O_RDWR);
95 User space C-APIs are made available by esmi_oob_library, hosted at
96 [2]_ which is provided by the E-SMS project [3]_.
99 .. [3] https://www.amd.com/en/developer/e-sms.html