writel(state, qm->io_base + QM_VF_STATE);
}
+static void qm_last_regs_uninit(struct hisi_qm *qm)
+{
+ struct qm_debug *debug = &qm->debug;
+
+ if (qm->fun_type == QM_HW_VF || !debug->qm_last_words)
+ return;
+
+ kfree(debug->qm_last_words);
+ debug->qm_last_words = NULL;
+}
+
/**
* hisi_qm_uninit() - Uninitialize qm.
* @qm: The qm needed uninit.
struct pci_dev *pdev = qm->pdev;
struct device *dev = &pdev->dev;
+ qm_last_regs_uninit(qm);
+
qm_cmd_uninit(qm);
kfree(qm->factor);
down_write(&qm->qps_lock);
return 0;
}
+static void qm_show_last_dfx_regs(struct hisi_qm *qm)
+{
+ struct qm_debug *debug = &qm->debug;
+ struct pci_dev *pdev = qm->pdev;
+ u32 val;
+ int i;
+
+ if (qm->fun_type == QM_HW_VF || !debug->qm_last_words)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(qm_dfx_regs); i++) {
+ val = readl_relaxed(qm->io_base + qm_dfx_regs[i].offset);
+ if (debug->qm_last_words[i] != val)
+ pci_info(pdev, "%s \t= 0x%08x => 0x%08x\n",
+ qm_dfx_regs[i].name, debug->qm_last_words[i], val);
+ }
+}
+
static int qm_controller_reset(struct hisi_qm *qm)
{
struct pci_dev *pdev = qm->pdev;
return ret;
}
+ qm_show_last_dfx_regs(qm);
+ if (qm->err_ini->show_last_dfx_regs)
+ qm->err_ini->show_last_dfx_regs(qm);
+
ret = qm_soft_reset(qm);
if (ret) {
pci_err(pdev, "Controller reset failed (%d)\n", ret);
return ret;
}
+static void qm_last_regs_init(struct hisi_qm *qm)
+{
+ int dfx_regs_num = ARRAY_SIZE(qm_dfx_regs);
+ struct qm_debug *debug = &qm->debug;
+ int i;
+
+ if (qm->fun_type == QM_HW_VF)
+ return;
+
+ debug->qm_last_words = kcalloc(dfx_regs_num, sizeof(unsigned int),
+ GFP_KERNEL);
+ if (!debug->qm_last_words)
+ return;
+
+ for (i = 0; i < dfx_regs_num; i++) {
+ debug->qm_last_words[i] = readl_relaxed(qm->io_base +
+ qm_dfx_regs[i].offset);
+ }
+}
+
/**
* hisi_qm_init() - Initialize configures about qm.
* @qm: The qm needing init.
qm_cmd_init(qm);
atomic_set(&qm->status.flags, QM_INIT);
+ qm_last_regs_init(qm);
+
return 0;
err_alloc_uacce:
struct dentry *debug_root;
struct dentry *qm_d;
struct debugfs_file files[DEBUG_FILE_NUM];
+ unsigned int *qm_last_words;
+ /* ACC engines recoreding last regs */
+ unsigned int *last_words;
struct dfx_diff_registers *qm_diff_regs;
struct dfx_diff_registers *acc_diff_regs;
};
void (*open_sva_prefetch)(struct hisi_qm *qm);
void (*close_sva_prefetch)(struct hisi_qm *qm);
void (*log_dev_hw_err)(struct hisi_qm *qm, u32 err_sts);
+ void (*show_last_dfx_regs)(struct hisi_qm *qm);
void (*err_info_init)(struct hisi_qm *qm);
};