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tools/power/x86/intel-speed-select: Move send_mbox_cmd to isst-core-mbox.c
After the previous cleanup, there is no user of send_mbox_cmd outside of isst-core-mbox.c. Thus move send_mbox_cmd to isst-core-mbox.c as internal functions. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
This commit is contained in:
parent
73452ccc19
commit
2b86ed225e
2 changed files with 195 additions and 187 deletions
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@ -5,6 +5,9 @@
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*/
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#include "isst.h"
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static int mbox_delay;
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static int mbox_retries = 3;
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static int mbox_get_disp_freq_multiplier(void)
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{
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return DISP_FREQ_MULTIPLIER;
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@ -29,6 +32,20 @@ static char *mbox_get_trl_level_name(int level)
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}
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}
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static void mbox_update_platform_param(enum isst_platform_param param, int value)
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{
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switch (param) {
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case ISST_PARAM_MBOX_DELAY:
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mbox_delay = value;
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break;
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case ISST_PARAM_MBOX_RETRIES:
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mbox_retries = value;
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break;
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default:
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break;
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}
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}
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static int mbox_is_punit_valid(struct isst_id *id)
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{
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if (id->cpu < 0)
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@ -40,12 +57,156 @@ static int mbox_is_punit_valid(struct isst_id *id)
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return 1;
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}
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static int _send_mmio_command(unsigned int cpu, unsigned int reg, int write,
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unsigned int *value)
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{
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struct isst_if_io_regs io_regs;
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const char *pathname = "/dev/isst_interface";
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int cmd;
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FILE *outf = get_output_file();
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int fd;
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debug_printf("mmio_cmd cpu:%d reg:%d write:%d\n", cpu, reg, write);
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fd = open(pathname, O_RDWR);
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if (fd < 0)
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err(-1, "%s open failed", pathname);
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io_regs.req_count = 1;
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io_regs.io_reg[0].logical_cpu = cpu;
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io_regs.io_reg[0].reg = reg;
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cmd = ISST_IF_IO_CMD;
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if (write) {
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io_regs.io_reg[0].read_write = 1;
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io_regs.io_reg[0].value = *value;
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} else {
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io_regs.io_reg[0].read_write = 0;
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}
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if (ioctl(fd, cmd, &io_regs) == -1) {
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if (errno == ENOTTY) {
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perror("ISST_IF_IO_COMMAND\n");
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fprintf(stderr, "Check presence of kernel modules: isst_if_mmio\n");
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exit(0);
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}
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fprintf(outf, "Error: mmio_cmd cpu:%d reg:%x read_write:%x\n",
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cpu, reg, write);
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} else {
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if (!write)
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*value = io_regs.io_reg[0].value;
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debug_printf(
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"mmio_cmd response: cpu:%d reg:%x rd_write:%x resp:%x\n",
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cpu, reg, write, *value);
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}
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close(fd);
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return 0;
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}
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int _send_mbox_command(unsigned int cpu, unsigned char command,
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unsigned char sub_command, unsigned int parameter,
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unsigned int req_data, unsigned int *resp)
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{
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const char *pathname = "/dev/isst_interface";
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int fd, retry;
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struct isst_if_mbox_cmds mbox_cmds = { 0 };
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debug_printf(
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"mbox_send: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x\n",
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cpu, command, sub_command, parameter, req_data);
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if (!is_skx_based_platform() && command == CONFIG_CLOS &&
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sub_command != CLOS_PM_QOS_CONFIG) {
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unsigned int value;
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int write = 0;
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int clos_id, core_id, ret = 0;
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debug_printf("CPU %d\n", cpu);
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if (parameter & BIT(MBOX_CMD_WRITE_BIT)) {
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value = req_data;
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write = 1;
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}
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switch (sub_command) {
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case CLOS_PQR_ASSOC:
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core_id = parameter & 0xff;
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ret = _send_mmio_command(
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cpu, PQR_ASSOC_OFFSET + core_id * 4, write,
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&value);
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if (!ret && !write)
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*resp = value;
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break;
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case CLOS_PM_CLOS:
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clos_id = parameter & 0x03;
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ret = _send_mmio_command(
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cpu, PM_CLOS_OFFSET + clos_id * 4, write,
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&value);
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if (!ret && !write)
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*resp = value;
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break;
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case CLOS_STATUS:
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break;
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default:
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break;
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}
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return ret;
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}
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mbox_cmds.cmd_count = 1;
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mbox_cmds.mbox_cmd[0].logical_cpu = cpu;
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mbox_cmds.mbox_cmd[0].command = command;
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mbox_cmds.mbox_cmd[0].sub_command = sub_command;
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mbox_cmds.mbox_cmd[0].parameter = parameter;
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mbox_cmds.mbox_cmd[0].req_data = req_data;
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if (mbox_delay)
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usleep(mbox_delay * 1000);
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fd = open(pathname, O_RDWR);
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if (fd < 0)
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err(-1, "%s open failed", pathname);
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retry = mbox_retries;
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do {
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if (ioctl(fd, ISST_IF_MBOX_COMMAND, &mbox_cmds) == -1) {
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if (errno == ENOTTY) {
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perror("ISST_IF_MBOX_COMMAND\n");
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fprintf(stderr, "Check presence of kernel modules: isst_if_mbox_pci or isst_if_mbox_msr\n");
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exit(0);
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}
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debug_printf(
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"Error: mbox_cmd cpu:%d command:%x sub_command:%x parameter:%x req_data:%x errorno:%d\n",
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cpu, command, sub_command, parameter, req_data, errno);
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--retry;
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} else {
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*resp = mbox_cmds.mbox_cmd[0].resp_data;
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debug_printf(
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"mbox_cmd response: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x resp:%x\n",
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cpu, command, sub_command, parameter, req_data, *resp);
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break;
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}
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} while (retry);
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close(fd);
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if (!retry) {
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debug_printf("Failed mbox command even after retries\n");
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return -1;
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}
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return 0;
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}
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static int mbox_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap)
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{
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unsigned int resp;
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int ret;
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ret = isst_send_mbox_command(id->cpu, READ_PM_CONFIG, PM_FEATURE, 0, 0,
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ret = _send_mbox_command(id->cpu, READ_PM_CONFIG, PM_FEATURE, 0, 0,
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&resp);
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if (ret)
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return ret;
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@ -63,7 +224,7 @@ static int mbox_get_config_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_
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unsigned int resp;
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int ret;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_GET_LEVELS_INFO, 0, 0, &resp);
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if (ret) {
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pkg_dev->levels = 0;
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@ -92,7 +253,7 @@ static int mbox_get_ctdp_control(struct isst_id *id, int config_index,
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unsigned int resp;
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int ret;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_GET_TDP_CONTROL, 0,
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config_index, &resp);
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if (ret)
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@ -130,7 +291,7 @@ static void _get_uncore_p0_p1_info(struct isst_id *id, int config_index,
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ctdp_level->uncore_p0 = 0;
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ctdp_level->uncore_p1 = 0;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_GET_RATIO_INFO, 0,
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(BIT(16) | config_index) , &resp);
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if (ret) {
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@ -149,7 +310,7 @@ static void _get_uncore_p0_p1_info(struct isst_id *id, int config_index,
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return;
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try_uncore_mbox:
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_GET_UNCORE_P0_P1_INFO, 0,
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config_index, &resp);
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if (ret) {
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@ -210,7 +371,7 @@ static void _get_p1_info(struct isst_id *id, int config_index,
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{
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unsigned int resp;
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int ret;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_P1_INFO, 0,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_P1_INFO, 0,
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config_index, &resp);
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if (ret) {
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ctdp_level->sse_p1 = 0;
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@ -234,7 +395,7 @@ static void _get_uncore_mem_freq(struct isst_id *id, int config_index,
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unsigned int resp;
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int ret;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_MEM_FREQ,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_MEM_FREQ,
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0, config_index, &resp);
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if (ret) {
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ctdp_level->mem_freq = 0;
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@ -267,7 +428,7 @@ static int mbox_get_tdp_info(struct isst_id *id, int config_index,
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unsigned int resp;
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int ret;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_TDP_INFO,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_TDP_INFO,
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0, config_index, &resp);
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if (ret) {
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isst_display_error_info_message(1, "Invalid level, Can't get TDP information at level", 1, config_index);
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@ -282,7 +443,7 @@ static int mbox_get_tdp_info(struct isst_id *id, int config_index,
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id->cpu, config_index, resp, ctdp_level->tdp_ratio,
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ctdp_level->pkg_tdp);
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_TJMAX_INFO,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_TJMAX_INFO,
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0, config_index, &resp);
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if (ret)
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return ret;
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@ -306,7 +467,7 @@ static int mbox_get_pwr_info(struct isst_id *id, int config_index,
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unsigned int resp;
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int ret;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_PWR_INFO,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_GET_PWR_INFO,
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0, config_index, &resp);
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if (ret)
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return ret;
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@ -333,7 +494,7 @@ static int mbox_get_coremask_info(struct isst_id *id, int config_index,
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unsigned long long mask;
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int cpu_count = 0;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_GET_CORE_MASK, 0,
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(i << 8) | config_index, &resp);
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if (ret)
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@ -362,7 +523,7 @@ static int mbox_get_get_trl(struct isst_id *id, int level, int avx_level, int *t
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int ret;
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req = level | (avx_level << 16);
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
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&resp);
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if (ret)
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@ -378,7 +539,7 @@ static int mbox_get_get_trl(struct isst_id *id, int level, int avx_level, int *t
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trl[3] = (resp & GENMASK(31, 24)) >> 24;
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req = level | BIT(8) | (avx_level << 16);
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_GET_TURBO_LIMIT_RATIOS, 0, req,
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&resp);
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if (ret)
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@ -438,7 +599,7 @@ static int mbox_set_tdp_level(struct isst_id *id, int tdp_level)
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}
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_SET_LEVEL, 0,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP, CONFIG_TDP_SET_LEVEL, 0,
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tdp_level, &resp);
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if (ret) {
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isst_display_error_info_message(1, "Set TDP level failed for level", 1, tdp_level);
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@ -461,7 +622,7 @@ static int mbox_get_pbf_info(struct isst_id *id, int level, struct isst_pbf_info
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unsigned long long mask;
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int count;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_PBF_GET_CORE_MASK_INFO,
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0, (i << 8) | level, &resp);
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if (ret)
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@ -479,7 +640,7 @@ static int mbox_get_pbf_info(struct isst_id *id, int level, struct isst_pbf_info
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}
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req = level;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_PBF_GET_P1HI_P1LO_INFO, 0, req,
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&resp);
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if (ret)
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@ -492,7 +653,7 @@ static int mbox_get_pbf_info(struct isst_id *id, int level, struct isst_pbf_info
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pbf_info->p1_high = (resp & GENMASK(15, 8)) >> 8;
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req = level;
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ret = isst_send_mbox_command(
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ret = _send_mbox_command(
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id->cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TDP_INFO, 0, req, &resp);
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if (ret)
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return ret;
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@ -502,7 +663,7 @@ static int mbox_get_pbf_info(struct isst_id *id, int level, struct isst_pbf_info
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pbf_info->tdp = resp & 0xffff;
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req = level;
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ret = isst_send_mbox_command(
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ret = _send_mbox_command(
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id->cpu, CONFIG_TDP, CONFIG_TDP_PBF_GET_TJ_MAX_INFO, 0, req, &resp);
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if (ret)
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return ret;
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@ -555,7 +716,7 @@ static int mbox_set_pbf_fact_status(struct isst_id *id, int pbf, int enable)
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req &= ~BIT(16);
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}
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_SET_TDP_CONTROL, 0, req, &resp);
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if (ret)
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return ret;
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@ -575,7 +736,7 @@ static int _get_fact_bucket_info(struct isst_id *id, int level,
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for (i = 0; i < 2; ++i) {
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int j;
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ret = isst_send_mbox_command(
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ret = _send_mbox_command(
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id->cpu, CONFIG_TDP,
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CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_NUMCORES, 0,
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(i << 8) | level, &resp);
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@ -596,7 +757,7 @@ static int _get_fact_bucket_info(struct isst_id *id, int level,
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for (i = 0; i < 2; ++i) {
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int j;
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ret = isst_send_mbox_command(
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ret = _send_mbox_command(
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id->cpu, CONFIG_TDP,
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CONFIG_TDP_GET_FACT_HP_TURBO_LIMIT_RATIOS, 0,
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(k << 16) | (i << 8) | level, &resp);
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@ -622,7 +783,7 @@ static int mbox_get_fact_info(struct isst_id *id, int level, int fact_bucket, st
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unsigned int resp;
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int j, ret, print;
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ret = isst_send_mbox_command(id->cpu, CONFIG_TDP,
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ret = _send_mbox_command(id->cpu, CONFIG_TDP,
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CONFIG_TDP_GET_FACT_LP_CLIPPING_RATIO, 0,
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level, &resp);
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if (ret)
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@ -662,7 +823,7 @@ static int mbox_get_clos_information(struct isst_id *id, int *enable, int *type)
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unsigned int resp;
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int ret;
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ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
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ret = _send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
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&resp);
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if (ret)
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return ret;
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@ -692,7 +853,7 @@ static int _write_pm_config(struct isst_id *id, int cp_state)
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else
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req = 0;
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ret = isst_send_mbox_command(id->cpu, WRITE_PM_CONFIG, PM_FEATURE, 0, req,
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ret = _send_mbox_command(id->cpu, WRITE_PM_CONFIG, PM_FEATURE, 0, req,
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&resp);
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if (ret)
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return ret;
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||||
|
@ -735,7 +896,7 @@ static int mbox_pm_qos_config(struct isst_id *id, int enable_clos, int priority_
|
|||
isst_display_error_info_message(0, "WRITE_PM_CONFIG command failed, ignoring error", 0, 0);
|
||||
}
|
||||
|
||||
ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
|
||||
ret = _send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG, 0, 0,
|
||||
&resp);
|
||||
if (ret) {
|
||||
isst_display_error_info_message(1, "CLOS_PM_QOS_CONFIG command failed", 0, 0);
|
||||
|
@ -759,7 +920,7 @@ static int mbox_pm_qos_config(struct isst_id *id, int enable_clos, int priority_
|
|||
else
|
||||
req = req & ~BIT(2);
|
||||
|
||||
ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG,
|
||||
ret = _send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_QOS_CONFIG,
|
||||
BIT(MBOX_CMD_WRITE_BIT), req, &resp);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
@ -775,7 +936,7 @@ static int mbox_pm_get_clos(struct isst_id *id, int clos, struct isst_clos_confi
|
|||
unsigned int resp;
|
||||
int ret;
|
||||
|
||||
ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_CLOS, clos, 0,
|
||||
ret = _send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_CLOS, clos, 0,
|
||||
&resp);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
@ -803,7 +964,7 @@ static int mbox_set_clos(struct isst_id *id, int clos, struct isst_clos_config *
|
|||
|
||||
param = BIT(MBOX_CMD_WRITE_BIT) | clos;
|
||||
|
||||
ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_CLOS, param, req,
|
||||
ret = _send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PM_CLOS, param, req,
|
||||
&resp);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
@ -822,7 +983,7 @@ static int mbox_clos_get_assoc_status(struct isst_id *id, int *clos_id)
|
|||
core_id = find_phy_core_num(id->cpu);
|
||||
param = core_id;
|
||||
|
||||
ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param, 0,
|
||||
ret = _send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param, 0,
|
||||
&resp);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
@ -844,7 +1005,7 @@ static int mbox_clos_associate(struct isst_id *id, int clos_id)
|
|||
core_id = find_phy_core_num(id->cpu);
|
||||
param = BIT(MBOX_CMD_WRITE_BIT) | core_id;
|
||||
|
||||
ret = isst_send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param,
|
||||
ret = _send_mbox_command(id->cpu, CONFIG_CLOS, CLOS_PQR_ASSOC, param,
|
||||
req, &resp);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
@ -859,6 +1020,7 @@ static struct isst_platform_ops mbox_ops = {
|
|||
.get_disp_freq_multiplier = mbox_get_disp_freq_multiplier,
|
||||
.get_trl_max_levels = mbox_get_trl_max_levels,
|
||||
.get_trl_level_name = mbox_get_trl_level_name,
|
||||
.update_platform_param = mbox_update_platform_param,
|
||||
.is_punit_valid = mbox_is_punit_valid,
|
||||
.read_pm_config = mbox_read_pm_config,
|
||||
.get_config_levels = mbox_get_config_levels,
|
||||
|
|
|
@ -6,9 +6,6 @@
|
|||
|
||||
#include "isst.h"
|
||||
|
||||
static int mbox_delay;
|
||||
static int mbox_retries = 3;
|
||||
|
||||
static struct isst_platform_ops *isst_ops;
|
||||
|
||||
#define CHECK_CB(_name) \
|
||||
|
@ -30,16 +27,9 @@ int isst_set_platform_ops(void)
|
|||
|
||||
void isst_update_platform_param(enum isst_platform_param param, int value)
|
||||
{
|
||||
switch (param) {
|
||||
case ISST_PARAM_MBOX_DELAY:
|
||||
mbox_delay = value;
|
||||
break;
|
||||
case ISST_PARAM_MBOX_RETRIES:
|
||||
mbox_retries = value;
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
CHECK_CB(update_platform_param);
|
||||
|
||||
isst_ops->update_platform_param(param, value);
|
||||
}
|
||||
|
||||
int isst_get_disp_freq_multiplier(void)
|
||||
|
@ -66,150 +56,6 @@ int isst_is_punit_valid(struct isst_id *id)
|
|||
return isst_ops->is_punit_valid(id);
|
||||
}
|
||||
|
||||
static int isst_send_mmio_command(unsigned int cpu, unsigned int reg, int write,
|
||||
unsigned int *value)
|
||||
{
|
||||
struct isst_if_io_regs io_regs;
|
||||
const char *pathname = "/dev/isst_interface";
|
||||
int cmd;
|
||||
FILE *outf = get_output_file();
|
||||
int fd;
|
||||
|
||||
debug_printf("mmio_cmd cpu:%d reg:%d write:%d\n", cpu, reg, write);
|
||||
|
||||
fd = open(pathname, O_RDWR);
|
||||
if (fd < 0)
|
||||
err(-1, "%s open failed", pathname);
|
||||
|
||||
io_regs.req_count = 1;
|
||||
io_regs.io_reg[0].logical_cpu = cpu;
|
||||
io_regs.io_reg[0].reg = reg;
|
||||
cmd = ISST_IF_IO_CMD;
|
||||
if (write) {
|
||||
io_regs.io_reg[0].read_write = 1;
|
||||
io_regs.io_reg[0].value = *value;
|
||||
} else {
|
||||
io_regs.io_reg[0].read_write = 0;
|
||||
}
|
||||
|
||||
if (ioctl(fd, cmd, &io_regs) == -1) {
|
||||
if (errno == ENOTTY) {
|
||||
perror("ISST_IF_IO_COMMAND\n");
|
||||
fprintf(stderr, "Check presence of kernel modules: isst_if_mmio\n");
|
||||
exit(0);
|
||||
}
|
||||
fprintf(outf, "Error: mmio_cmd cpu:%d reg:%x read_write:%x\n",
|
||||
cpu, reg, write);
|
||||
} else {
|
||||
if (!write)
|
||||
*value = io_regs.io_reg[0].value;
|
||||
|
||||
debug_printf(
|
||||
"mmio_cmd response: cpu:%d reg:%x rd_write:%x resp:%x\n",
|
||||
cpu, reg, write, *value);
|
||||
}
|
||||
|
||||
close(fd);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int isst_send_mbox_command(unsigned int cpu, unsigned char command,
|
||||
unsigned char sub_command, unsigned int parameter,
|
||||
unsigned int req_data, unsigned int *resp)
|
||||
{
|
||||
const char *pathname = "/dev/isst_interface";
|
||||
int fd, retry;
|
||||
struct isst_if_mbox_cmds mbox_cmds = { 0 };
|
||||
|
||||
debug_printf(
|
||||
"mbox_send: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x\n",
|
||||
cpu, command, sub_command, parameter, req_data);
|
||||
|
||||
if (!is_skx_based_platform() && command == CONFIG_CLOS &&
|
||||
sub_command != CLOS_PM_QOS_CONFIG) {
|
||||
unsigned int value;
|
||||
int write = 0;
|
||||
int clos_id, core_id, ret = 0;
|
||||
|
||||
debug_printf("CPU %d\n", cpu);
|
||||
|
||||
if (parameter & BIT(MBOX_CMD_WRITE_BIT)) {
|
||||
value = req_data;
|
||||
write = 1;
|
||||
}
|
||||
|
||||
switch (sub_command) {
|
||||
case CLOS_PQR_ASSOC:
|
||||
core_id = parameter & 0xff;
|
||||
ret = isst_send_mmio_command(
|
||||
cpu, PQR_ASSOC_OFFSET + core_id * 4, write,
|
||||
&value);
|
||||
if (!ret && !write)
|
||||
*resp = value;
|
||||
break;
|
||||
case CLOS_PM_CLOS:
|
||||
clos_id = parameter & 0x03;
|
||||
ret = isst_send_mmio_command(
|
||||
cpu, PM_CLOS_OFFSET + clos_id * 4, write,
|
||||
&value);
|
||||
if (!ret && !write)
|
||||
*resp = value;
|
||||
break;
|
||||
case CLOS_STATUS:
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
mbox_cmds.cmd_count = 1;
|
||||
mbox_cmds.mbox_cmd[0].logical_cpu = cpu;
|
||||
mbox_cmds.mbox_cmd[0].command = command;
|
||||
mbox_cmds.mbox_cmd[0].sub_command = sub_command;
|
||||
mbox_cmds.mbox_cmd[0].parameter = parameter;
|
||||
mbox_cmds.mbox_cmd[0].req_data = req_data;
|
||||
|
||||
if (mbox_delay)
|
||||
usleep(mbox_delay * 1000);
|
||||
|
||||
fd = open(pathname, O_RDWR);
|
||||
if (fd < 0)
|
||||
err(-1, "%s open failed", pathname);
|
||||
|
||||
retry = mbox_retries;
|
||||
|
||||
do {
|
||||
if (ioctl(fd, ISST_IF_MBOX_COMMAND, &mbox_cmds) == -1) {
|
||||
if (errno == ENOTTY) {
|
||||
perror("ISST_IF_MBOX_COMMAND\n");
|
||||
fprintf(stderr, "Check presence of kernel modules: isst_if_mbox_pci or isst_if_mbox_msr\n");
|
||||
exit(0);
|
||||
}
|
||||
debug_printf(
|
||||
"Error: mbox_cmd cpu:%d command:%x sub_command:%x parameter:%x req_data:%x errorno:%d\n",
|
||||
cpu, command, sub_command, parameter, req_data, errno);
|
||||
--retry;
|
||||
} else {
|
||||
*resp = mbox_cmds.mbox_cmd[0].resp_data;
|
||||
debug_printf(
|
||||
"mbox_cmd response: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x resp:%x\n",
|
||||
cpu, command, sub_command, parameter, req_data, *resp);
|
||||
break;
|
||||
}
|
||||
} while (retry);
|
||||
|
||||
close(fd);
|
||||
|
||||
if (!retry) {
|
||||
debug_printf("Failed mbox command even after retries\n");
|
||||
return -1;
|
||||
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int isst_send_msr_command(unsigned int cpu, unsigned int msr, int write,
|
||||
unsigned long long *req_resp)
|
||||
{
|
||||
|
|
Loading…
Reference in a new issue