diff options
| -rw-r--r-- | Documentation/ABI/testing/debugfs-driver-qat | 2 | ||||
| -rw-r--r-- | drivers/crypto/intel/qat/qat_6xxx/adf_6xxx_hw_data.c | 11 | ||||
| -rw-r--r-- | drivers/crypto/intel/qat/qat_common/Makefile | 1 | ||||
| -rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_gen6_pm.h | 24 | ||||
| -rw-r--r-- | drivers/crypto/intel/qat/qat_common/adf_gen6_pm_dbgfs.c | 124 |
5 files changed, 160 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/debugfs-driver-qat b/Documentation/ABI/testing/debugfs-driver-qat index bd6793760f29..3f1efbbad6ca 100644 --- a/Documentation/ABI/testing/debugfs-driver-qat +++ b/Documentation/ABI/testing/debugfs-driver-qat @@ -67,7 +67,7 @@ Contact: qat-linux@intel.com Description: (RO) Read returns power management information specific to the QAT device. - This attribute is only available for qat_4xxx devices. + This attribute is only available for qat_4xxx and qat_6xxx devices. What: /sys/kernel/debug/qat_<device>_<BDF>/cnv_errors Date: January 2024 diff --git a/drivers/crypto/intel/qat/qat_6xxx/adf_6xxx_hw_data.c b/drivers/crypto/intel/qat/qat_6xxx/adf_6xxx_hw_data.c index a21a10a8338f..ecef3dc28a91 100644 --- a/drivers/crypto/intel/qat/qat_6xxx/adf_6xxx_hw_data.c +++ b/drivers/crypto/intel/qat/qat_6xxx/adf_6xxx_hw_data.c @@ -763,7 +763,16 @@ static int adf_init_device(struct adf_accel_dev *accel_dev) static int enable_pm(struct adf_accel_dev *accel_dev) { - return adf_init_admin_pm(accel_dev, ADF_GEN6_PM_DEFAULT_IDLE_FILTER); + int ret; + + ret = adf_init_admin_pm(accel_dev, ADF_GEN6_PM_DEFAULT_IDLE_FILTER); + if (ret) + return ret; + + /* Initialize PM internal data */ + adf_gen6_init_dev_pm_data(accel_dev); + + return 0; } static int dev_config(struct adf_accel_dev *accel_dev) diff --git a/drivers/crypto/intel/qat/qat_common/Makefile b/drivers/crypto/intel/qat/qat_common/Makefile index 5826180c2051..34019d8637a5 100644 --- a/drivers/crypto/intel/qat/qat_common/Makefile +++ b/drivers/crypto/intel/qat/qat_common/Makefile @@ -49,6 +49,7 @@ intel_qat-$(CONFIG_DEBUG_FS) += adf_cnv_dbgfs.o \ adf_fw_counters.o \ adf_gen4_pm_debugfs.o \ adf_gen4_tl.o \ + adf_gen6_pm_dbgfs.o \ adf_heartbeat_dbgfs.o \ adf_heartbeat.o \ adf_pm_dbgfs.o \ diff --git a/drivers/crypto/intel/qat/qat_common/adf_gen6_pm.h b/drivers/crypto/intel/qat/qat_common/adf_gen6_pm.h index 9a5b995f7ada..4c0d576e8c21 100644 --- a/drivers/crypto/intel/qat/qat_common/adf_gen6_pm.h +++ b/drivers/crypto/intel/qat/qat_common/adf_gen6_pm.h @@ -24,5 +24,29 @@ struct adf_accel_dev; /* cpm_pm_status bitfields */ #define ADF_GEN6_PM_INIT_STATE BIT(21) +#define ADF_GEN6_PM_CPM_PM_STATE_MASK GENMASK(22, 20) + +/* fusectl0 bitfields */ +#define ADF_GEN6_PM_ENABLE_PM_MASK BIT(21) +#define ADF_GEN6_PM_ENABLE_PM_IDLE_MASK BIT(22) +#define ADF_GEN6_PM_ENABLE_DEEP_PM_IDLE_MASK BIT(23) + +/* cpm_pm_fw_init bitfields */ +#define ADF_GEN6_PM_IDLE_FILTER_MASK GENMASK(5, 3) +#define ADF_GEN6_PM_IDLE_ENABLE_MASK BIT(2) + +/* ssm_pm_enable bitfield */ +#define ADF_GEN6_PM_SSM_PM_ENABLE_MASK BIT(0) + +/* ssm_pm_domain_status bitfield */ +#define ADF_GEN6_PM_DOMAIN_POWERED_UP_MASK BIT(0) + +#ifdef CONFIG_DEBUG_FS +void adf_gen6_init_dev_pm_data(struct adf_accel_dev *accel_dev); +#else +static inline void adf_gen6_init_dev_pm_data(struct adf_accel_dev *accel_dev) +{ +} +#endif /* CONFIG_DEBUG_FS */ #endif /* ADF_GEN6_PM_H */ diff --git a/drivers/crypto/intel/qat/qat_common/adf_gen6_pm_dbgfs.c b/drivers/crypto/intel/qat/qat_common/adf_gen6_pm_dbgfs.c new file mode 100644 index 000000000000..603aefba0fdb --- /dev/null +++ b/drivers/crypto/intel/qat/qat_common/adf_gen6_pm_dbgfs.c @@ -0,0 +1,124 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright(c) 2025 Intel Corporation */ +#include <linux/dma-mapping.h> +#include <linux/export.h> +#include <linux/string_helpers.h> + +#include "adf_admin.h" +#include "adf_common_drv.h" +#include "adf_gen6_pm.h" +#include "adf_pm_dbgfs_utils.h" +#include "icp_qat_fw_init_admin.h" + +#define PM_INFO_REGSET_ENTRY(_reg_, _field_) \ + PM_INFO_REGSET_ENTRY_MASK(_reg_, _field_, ADF_GEN6_PM_##_field_##_MASK) + +static struct pm_status_row pm_fuse_rows[] = { + PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_PM), + PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_PM_IDLE), + PM_INFO_REGSET_ENTRY(fusectl0, ENABLE_DEEP_PM_IDLE), +}; + +static struct pm_status_row pm_info_rows[] = { + PM_INFO_REGSET_ENTRY(pm.status, CPM_PM_STATE), + PM_INFO_REGSET_ENTRY(pm.fw_init, IDLE_ENABLE), + PM_INFO_REGSET_ENTRY(pm.fw_init, IDLE_FILTER), +}; + +static struct pm_status_row pm_ssm_rows[] = { + PM_INFO_REGSET_ENTRY(ssm.pm_enable, SSM_PM_ENABLE), + PM_INFO_REGSET_ENTRY(ssm.pm_domain_status, DOMAIN_POWERED_UP), +}; + +static struct pm_status_row pm_csrs_rows[] = { + PM_INFO_REGSET_ENTRY32(pm.fw_init, CPM_PM_FW_INIT), + PM_INFO_REGSET_ENTRY32(pm.status, CPM_PM_STATUS), +}; + +static_assert(sizeof(struct icp_qat_fw_init_admin_pm_info) < PAGE_SIZE); + +static ssize_t adf_gen6_print_pm_status(struct adf_accel_dev *accel_dev, + char __user *buf, size_t count, + loff_t *pos) +{ + void __iomem *pmisc = adf_get_pmisc_base(accel_dev); + struct icp_qat_fw_init_admin_pm_info *pm_info; + dma_addr_t p_state_addr; + u32 *pm_info_regs; + size_t len = 0; + char *pm_kv; + u32 val; + int ret; + + pm_info = kzalloc(PAGE_SIZE, GFP_KERNEL); + if (!pm_info) + return -ENOMEM; + + pm_kv = kzalloc(PAGE_SIZE, GFP_KERNEL); + if (!pm_kv) { + kfree(pm_info); + return -ENOMEM; + } + + p_state_addr = dma_map_single(&GET_DEV(accel_dev), pm_info, PAGE_SIZE, + DMA_FROM_DEVICE); + ret = dma_mapping_error(&GET_DEV(accel_dev), p_state_addr); + if (ret) + goto out_free; + + /* Query power management information from QAT FW */ + ret = adf_get_pm_info(accel_dev, p_state_addr, PAGE_SIZE); + dma_unmap_single(&GET_DEV(accel_dev), p_state_addr, PAGE_SIZE, + DMA_FROM_DEVICE); + if (ret) + goto out_free; + + pm_info_regs = (u32 *)pm_info; + + /* Fuse control register */ + len += scnprintf(&pm_kv[len], PAGE_SIZE - len, + "----------- PM Fuse info ---------\n"); + len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_fuse_rows, + pm_info_regs, PAGE_SIZE - len, + ARRAY_SIZE(pm_fuse_rows)); + + /* Power management */ + len += scnprintf(&pm_kv[len], PAGE_SIZE - len, + "----------- PM Info --------------\n"); + + len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_info_rows, + pm_info_regs, PAGE_SIZE - len, + ARRAY_SIZE(pm_info_rows)); + len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "pm_mode: ACTIVE\n"); + + /* Shared Slice Module */ + len += scnprintf(&pm_kv[len], PAGE_SIZE - len, + "----------- SSM_PM Info ----------\n"); + len += adf_pm_scnprint_table_lower_keys(&pm_kv[len], pm_ssm_rows, + pm_info_regs, PAGE_SIZE - len, + ARRAY_SIZE(pm_ssm_rows)); + + /* Control status register content */ + len += scnprintf(&pm_kv[len], PAGE_SIZE - len, + "----------- HW PM CSRs -----------\n"); + len += adf_pm_scnprint_table_upper_keys(&pm_kv[len], pm_csrs_rows, + pm_info_regs, PAGE_SIZE - len, + ARRAY_SIZE(pm_csrs_rows)); + + val = ADF_CSR_RD(pmisc, ADF_GEN6_PM_INTERRUPT); + len += scnprintf(&pm_kv[len], PAGE_SIZE - len, "CPM_PM_INTERRUPT: %#x\n", val); + ret = simple_read_from_buffer(buf, count, pos, pm_kv, len); + +out_free: + kfree(pm_info); + kfree(pm_kv); + + return ret; +} + +void adf_gen6_init_dev_pm_data(struct adf_accel_dev *accel_dev) +{ + accel_dev->power_management.print_pm_status = adf_gen6_print_pm_status; + accel_dev->power_management.present = true; +} +EXPORT_SYMBOL_GPL(adf_gen6_init_dev_pm_data); |