| /* |
| * This file is part of msrtool. |
| * |
| * Copyright (c) 2008 Peter Stuge <peter@stuge.se> |
| * Copyright (c) 2009 coresystems GmbH |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef MSRTOOL_H |
| #define MSRTOOL_H |
| |
| #include <stdio.h> |
| #include <stdint.h> |
| #if (defined(__MACH__) && defined(__APPLE__)) |
| /* DirectHW is available here: http://www.coreboot.org/DirectHW */ |
| #define __DARWIN__ |
| #include <DirectHW/DirectHW.h> |
| #endif |
| #if defined(__FreeBSD__) |
| #include <sys/ioctl.h> |
| #include <sys/cpuctl.h> |
| #endif |
| #include <pci/pci.h> |
| |
| #define HEXCHARS "0123456789abcdefABCDEF" |
| |
| enum { |
| MSRTYPE_RDONLY, |
| MSRTYPE_RDWR, |
| MSRTYPE_WRONLY, |
| MSRTYPE_EOT |
| } MsrTypes; |
| |
| enum { |
| PRESENT_RSVD, |
| PRESENT_DEC, |
| PRESENT_BIN, |
| PRESENT_OCT, |
| PRESENT_HEX, |
| PRESENT_HEXDEC |
| } PresentTypes; |
| |
| struct msr { |
| uint32_t hi; |
| uint32_t lo; |
| }; |
| |
| struct msrbitvalues { |
| const struct msr value; |
| const char *text; |
| }; |
| |
| struct msrbits { |
| const uint8_t start; |
| const uint8_t size; |
| const char *name; |
| const char *desc; |
| const uint8_t present; |
| const struct msrbitvalues bitval[32]; |
| }; |
| |
| struct msrdef { |
| const uint32_t addr; |
| const uint8_t type; |
| const struct msr resetval; |
| const char *symbol; |
| const char *desc; |
| const struct msrbits bits[65]; |
| }; |
| |
| #define MSR1(lo) { 0, (lo) } |
| #define MSR2(hi,lo) { (hi), (lo) } |
| |
| #define BITVAL_EOT .text = NULL |
| #define BITVAL_ISEOT(bv) (NULL == (bv).text) |
| |
| #define BITS_EOT .size = 0 |
| #define BITS_ISEOT(b) (0 == (b).size) |
| |
| #define MSR_EOT .type = MSRTYPE_EOT |
| #define MSR_ISEOT(m) (MSRTYPE_EOT == (m).type) |
| |
| #define NOBITS {{ BITVAL_EOT }} |
| #define RESERVED "RSVD", "Reserved", PRESENT_HEXDEC, NOBITS |
| |
| #define MAX_CORES 8 |
| |
| struct targetdef { |
| const char *name; |
| const char *prettyname; |
| int (*probe)(const struct targetdef *target); |
| const struct msrdef *msrs; |
| }; |
| |
| #define TARGET_EOT .name = NULL |
| #define TARGET_ISEOT(t) (NULL == (t).name) |
| |
| |
| enum SysModes { |
| SYS_RDONLY = 0, |
| SYS_WRONLY, |
| SYS_RDWR |
| }; |
| |
| struct sysdef { |
| const char *name; |
| const char *prettyname; |
| int (*probe)(const struct sysdef *system); |
| int (*open)(uint8_t cpu, enum SysModes mode); |
| int (*close)(uint8_t cpu); |
| int (*rdmsr)(uint8_t cpu, uint32_t addr, struct msr *val); |
| }; |
| |
| #define SYSTEM_EOT .name = NULL |
| #define SYSTEM_ISEOT(s) (NULL == (s).name) |
| |
| |
| struct cpuid_t { |
| uint8_t family; |
| uint8_t model; |
| uint8_t stepping; |
| uint8_t ext_family; |
| uint8_t ext_model; |
| }; |
| |
| |
| extern const struct sysdef *sys; |
| |
| extern uint8_t targets_found; |
| extern const struct targetdef **targets; |
| |
| extern uint8_t reserved, verbose, quiet; |
| |
| extern struct pci_access *pacc; |
| |
| #define printf_quiet(x...) do { if (!quiet) fprintf(stderr,x); } while(0) |
| #define printf_verbose(x...) do { if (verbose && !quiet) fprintf(stderr,x); } while(0) |
| |
| #define SYSERROR(call, addr) do { \ |
| const struct msrdef *m = findmsrdef(addr); \ |
| if (m) \ |
| fprintf(stderr, "%s: " #call "(0x%08x) %s: %s\n", __func__, addr, m->symbol, strerror(errno)); \ |
| else \ |
| fprintf(stderr, "%s: " #call "(0x%08x): %s\n", __func__, addr, strerror(errno)); \ |
| } while (0); |
| |
| /* sys.c */ |
| struct cpuid_t *cpuid(void); |
| struct pci_dev *pci_dev_find(uint16_t vendor, uint16_t device); |
| |
| /* msrutils.c */ |
| void hexprint(FILE *f, const struct msr val, const uint8_t bits); |
| int msr_eq(const struct msr a, const struct msr b); |
| struct msr msr_shl(const struct msr a, const uint8_t bits); |
| struct msr msr_shr(const struct msr a, const uint8_t bits); |
| void msr_and(struct msr *a, const struct msr b); |
| const struct msrdef *findmsrdef(const uint32_t addr); |
| uint32_t msraddrbyname(const char *name); |
| void dumpmsrdefs(const struct targetdef *t); |
| int dumpmsrdefsvals(FILE *f, const struct targetdef *t, const uint8_t cpu); |
| uint8_t str2msr(char *str, struct msr *msr, char **endptr); |
| void decodemsr(const uint8_t cpu, const uint32_t addr, const struct msr val); |
| uint8_t diff_msr(FILE *fout, const uint32_t addr, const struct msr a, const struct msr b); |
| |
| |
| |
| /** system externs **/ |
| |
| /* linux.c */ |
| extern int linux_probe(const struct sysdef *system); |
| extern int linux_open(uint8_t cpu, enum SysModes mode); |
| extern int linux_close(uint8_t cpu); |
| extern int linux_rdmsr(uint8_t cpu, uint32_t addr, struct msr *val); |
| |
| /* darwin.c */ |
| extern int darwin_probe(const struct sysdef *system); |
| extern int darwin_open(uint8_t cpu, enum SysModes mode); |
| extern int darwin_close(uint8_t cpu); |
| extern int darwin_rdmsr(uint8_t cpu, uint32_t addr, struct msr *val); |
| |
| /* freebsd.c */ |
| extern int freebsd_probe(const struct sysdef *system); |
| extern int freebsd_open(uint8_t cpu, enum SysModes mode); |
| extern int freebsd_close(uint8_t cpu); |
| extern int freebsd_rdmsr(uint8_t cpu, uint32_t addr, struct msr *val); |
| |
| /** target externs **/ |
| |
| /* geodegx2.c */ |
| extern int geodegx2_probe(const struct targetdef *t); |
| extern const struct msrdef geodegx2_msrs[]; |
| |
| /* geodelx.c */ |
| extern int geodelx_probe(const struct targetdef *t); |
| extern const struct msrdef geodelx_msrs[]; |
| |
| /* cs5536.c */ |
| extern int cs5536_probe(const struct targetdef *t); |
| extern const struct msrdef cs5536_msrs[]; |
| |
| /* k8.c */ |
| extern int k8_probe(const struct targetdef *t); |
| extern const struct msrdef k8_msrs[]; |
| |
| #endif /* MSRTOOL_H */ |