diff options
Diffstat (limited to 'drivers/crypto/hisilicon/qm.c')
| -rw-r--r-- | drivers/crypto/hisilicon/qm.c | 1229 |
1 files changed, 36 insertions, 1193 deletions
diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c index 8b387de69d22..007ac7a69ce7 100644 --- a/drivers/crypto/hisilicon/qm.c +++ b/drivers/crypto/hisilicon/qm.c @@ -16,6 +16,7 @@ #include <linux/uaccess.h> #include <uapi/misc/uacce/hisi_qm.h> #include <linux/hisi_acc_qm.h> +#include "qm_common.h" /* eq/aeq irq enable */ #define QM_VF_AEQ_INT_SOURCE 0x0 @@ -119,8 +120,6 @@ #define QM_SQC_VFT_NUM_SHIFT_V2 45 #define QM_SQC_VFT_NUM_MASK_v2 GENMASK(9, 0) -#define QM_DFX_CNT_CLR_CE 0x100118 - #define QM_ABNORMAL_INT_SOURCE 0x100000 #define QM_ABNORMAL_INT_MASK 0x100004 #define QM_ABNORMAL_INT_MASK_VALUE 0x7fff @@ -187,14 +186,6 @@ #define QM_VF_RESET_WAIT_TIMEOUT_US \ (QM_VF_RESET_WAIT_US * QM_VF_RESET_WAIT_CNT) -#define QM_DFX_MB_CNT_VF 0x104010 -#define QM_DFX_DB_CNT_VF 0x104020 -#define QM_DFX_SQE_CNT_VF_SQN 0x104030 -#define QM_DFX_CQE_CNT_VF_CQN 0x104040 -#define QM_DFX_QN_SHIFT 16 -#define CURRENT_FUN_MASK GENMASK(5, 0) -#define CURRENT_Q_MASK GENMASK(31, 16) - #define POLL_PERIOD 10 #define POLL_TIMEOUT 1000 #define WAIT_PERIOD_US_MAX 200 @@ -211,19 +202,15 @@ #define QMC_ALIGN(sz) ALIGN(sz, 32) #define QM_DBG_READ_LEN 256 -#define QM_DBG_WRITE_LEN 1024 -#define QM_DBG_TMP_BUF_LEN 22 #define QM_PCI_COMMAND_INVALID ~0 #define QM_RESET_STOP_TX_OFFSET 1 #define QM_RESET_STOP_RX_OFFSET 2 #define WAIT_PERIOD 20 #define REMOVE_WAIT_DELAY 10 -#define QM_SQE_ADDR_MASK GENMASK(7, 0) #define QM_DRIVER_REMOVING 0 #define QM_RST_SCHED 1 -#define QM_RESETTING 2 #define QM_QOS_PARAM_NUM 2 #define QM_QOS_VAL_NUM 1 #define QM_QOS_BDF_PARAM_NUM 4 @@ -250,16 +237,6 @@ #define QM_QOS_MIN_CIR_B 100 #define QM_QOS_MAX_CIR_U 6 #define QM_QOS_MAX_CIR_S 11 -#define QM_QOS_VAL_MAX_LEN 32 -#define QM_DFX_BASE 0x0100000 -#define QM_DFX_STATE1 0x0104000 -#define QM_DFX_STATE2 0x01040C8 -#define QM_DFX_COMMON 0x0000 -#define QM_DFX_BASE_LEN 0x5A -#define QM_DFX_STATE1_LEN 0x2E -#define QM_DFX_STATE2_LEN 0x11 -#define QM_DFX_COMMON_LEN 0xC3 -#define QM_DFX_REGS_LEN 4UL #define QM_AUTOSUSPEND_DELAY 3000 #define QM_MK_CQC_DW3_V1(hop_num, pg_sz, buf_sz, cqe_sz) \ @@ -359,7 +336,7 @@ static const struct hisi_qm_cap_info qm_cap_info_vf[] = { static const struct hisi_qm_cap_info qm_basic_info[] = { {QM_TOTAL_QP_NUM_CAP, 0x100158, 0, GENMASK(10, 0), 0x1000, 0x400, 0x400}, {QM_FUNC_MAX_QP_CAP, 0x100158, 11, GENMASK(10, 0), 0x1000, 0x400, 0x400}, - {QM_XEQ_DEPTH_CAP, 0x3104, 0, GENMASK(15, 0), 0x800, 0x4000800, 0x4000800}, + {QM_XEQ_DEPTH_CAP, 0x3104, 0, GENMASK(31, 0), 0x800, 0x4000800, 0x4000800}, {QM_QP_DEPTH_CAP, 0x3108, 0, GENMASK(31, 0), 0x4000400, 0x4000400, 0x4000400}, {QM_EQ_IRQ_TYPE_CAP, 0x310c, 0, GENMASK(31, 0), 0x10000, 0x10000, 0x10000}, {QM_AEQ_IRQ_TYPE_CAP, 0x3110, 0, GENMASK(31, 0), 0x0, 0x10001, 0x10001}, @@ -369,73 +346,6 @@ static const struct hisi_qm_cap_info qm_basic_info[] = { {QM_VF_IRQ_NUM_CAP, 0x311c, 0, GENMASK(15, 0), 0x1, 0x2, 0x3}, }; -struct qm_cqe { - __le32 rsvd0; - __le16 cmd_id; - __le16 rsvd1; - __le16 sq_head; - __le16 sq_num; - __le16 rsvd2; - __le16 w7; -}; - -struct qm_eqe { - __le32 dw0; -}; - -struct qm_aeqe { - __le32 dw0; -}; - -struct qm_sqc { - __le16 head; - __le16 tail; - __le32 base_l; - __le32 base_h; - __le32 dw3; - __le16 w8; - __le16 rsvd0; - __le16 pasid; - __le16 w11; - __le16 cq_num; - __le16 w13; - __le32 rsvd1; -}; - -struct qm_cqc { - __le16 head; - __le16 tail; - __le32 base_l; - __le32 base_h; - __le32 dw3; - __le16 w8; - __le16 rsvd0; - __le16 pasid; - __le16 w11; - __le32 dw6; - __le32 rsvd1; -}; - -struct qm_eqc { - __le16 head; - __le16 tail; - __le32 base_l; - __le32 base_h; - __le32 dw3; - __le32 rsvd[2]; - __le32 dw6; -}; - -struct qm_aeqc { - __le16 head; - __le16 tail; - __le32 base_l; - __le32 base_h; - __le32 dw3; - __le32 rsvd[2]; - __le32 dw6; -}; - struct qm_mailbox { __le16 w0; __le16 queue_num; @@ -468,25 +378,6 @@ struct hisi_qm_hw_ops { int (*set_msi)(struct hisi_qm *qm, bool set); }; -struct qm_dfx_item { - const char *name; - u32 offset; -}; - -static struct qm_dfx_item qm_dfx_files[] = { - {"err_irq", offsetof(struct qm_dfx, err_irq_cnt)}, - {"aeq_irq", offsetof(struct qm_dfx, aeq_irq_cnt)}, - {"abnormal_irq", offsetof(struct qm_dfx, abnormal_irq_cnt)}, - {"create_qp_err", offsetof(struct qm_dfx, create_qp_err_cnt)}, - {"mb_err", offsetof(struct qm_dfx, mb_err_cnt)}, -}; - -static const char * const qm_debug_file_name[] = { - [CURRENT_QM] = "current_qm", - [CURRENT_Q] = "current_q", - [CLEAR_ENABLE] = "clear_enable", -}; - struct hisi_qm_hw_error { u32 int_msk; const char *msg; @@ -511,23 +402,6 @@ static const struct hisi_qm_hw_error qm_hw_error[] = { { /* sentinel */ } }; -/* define the QM's dfx regs region and region length */ -static struct dfx_diff_registers qm_diff_regs[] = { - { - .reg_offset = QM_DFX_BASE, - .reg_len = QM_DFX_BASE_LEN, - }, { - .reg_offset = QM_DFX_STATE1, - .reg_len = QM_DFX_STATE1_LEN, - }, { - .reg_offset = QM_DFX_STATE2, - .reg_len = QM_DFX_STATE2_LEN, - }, { - .reg_offset = QM_DFX_COMMON, - .reg_len = QM_DFX_COMMON_LEN, - }, -}; - static const char * const qm_db_timeout[] = { "sq", "cq", "eq", "aeq", }; @@ -536,10 +410,6 @@ static const char * const qm_fifo_overflow[] = { "cq", "eq", "aeq", }; -static const char * const qm_s[] = { - "init", "start", "close", "stop", -}; - static const char * const qp_s[] = { "none", "init", "start", "stop", "close", }; @@ -909,8 +779,8 @@ static void qm_get_xqc_depth(struct hisi_qm *qm, u16 *low_bits, u32 depth; depth = hisi_qm_get_hw_info(qm, qm_basic_info, type, qm->cap_ver); - *high_bits = depth & QM_XQ_DEPTH_MASK; - *low_bits = (depth >> QM_XQ_DEPTH_SHIFT) & QM_XQ_DEPTH_MASK; + *low_bits = depth & QM_XQ_DEPTH_MASK; + *high_bits = (depth >> QM_XQ_DEPTH_SHIFT) & QM_XQ_DEPTH_MASK; } static u32 qm_get_irq_num(struct hisi_qm *qm) @@ -1440,452 +1310,7 @@ static int qm_get_vft_v2(struct hisi_qm *qm, u32 *base, u32 *number) return 0; } -static int qm_get_vf_qp_num(struct hisi_qm *qm, u32 fun_num) -{ - u32 remain_q_num, vfq_num; - u32 num_vfs = qm->vfs_num; - - vfq_num = (qm->ctrl_qp_num - qm->qp_num) / num_vfs; - if (vfq_num >= qm->max_qp_num) - return qm->max_qp_num; - - remain_q_num = (qm->ctrl_qp_num - qm->qp_num) % num_vfs; - if (vfq_num + remain_q_num <= qm->max_qp_num) - return fun_num == num_vfs ? vfq_num + remain_q_num : vfq_num; - - /* - * if vfq_num + remain_q_num > max_qp_num, the last VFs, - * each with one more queue. - */ - return fun_num + remain_q_num > num_vfs ? vfq_num + 1 : vfq_num; -} - -static struct hisi_qm *file_to_qm(struct debugfs_file *file) -{ - struct qm_debug *debug = file->debug; - - return container_of(debug, struct hisi_qm, debug); -} - -static u32 current_q_read(struct hisi_qm *qm) -{ - return readl(qm->io_base + QM_DFX_SQE_CNT_VF_SQN) >> QM_DFX_QN_SHIFT; -} - -static int current_q_write(struct hisi_qm *qm, u32 val) -{ - u32 tmp; - - if (val >= qm->debug.curr_qm_qp_num) - return -EINVAL; - - tmp = val << QM_DFX_QN_SHIFT | - (readl(qm->io_base + QM_DFX_SQE_CNT_VF_SQN) & CURRENT_FUN_MASK); - writel(tmp, qm->io_base + QM_DFX_SQE_CNT_VF_SQN); - - tmp = val << QM_DFX_QN_SHIFT | - (readl(qm->io_base + QM_DFX_CQE_CNT_VF_CQN) & CURRENT_FUN_MASK); - writel(tmp, qm->io_base + QM_DFX_CQE_CNT_VF_CQN); - - return 0; -} - -static u32 clear_enable_read(struct hisi_qm *qm) -{ - return readl(qm->io_base + QM_DFX_CNT_CLR_CE); -} - -/* rd_clr_ctrl 1 enable read clear, otherwise 0 disable it */ -static int clear_enable_write(struct hisi_qm *qm, u32 rd_clr_ctrl) -{ - if (rd_clr_ctrl > 1) - return -EINVAL; - - writel(rd_clr_ctrl, qm->io_base + QM_DFX_CNT_CLR_CE); - - return 0; -} - -static u32 current_qm_read(struct hisi_qm *qm) -{ - return readl(qm->io_base + QM_DFX_MB_CNT_VF); -} - -static int current_qm_write(struct hisi_qm *qm, u32 val) -{ - u32 tmp; - - if (val > qm->vfs_num) - return -EINVAL; - - /* According PF or VF Dev ID to calculation curr_qm_qp_num and store */ - if (!val) - qm->debug.curr_qm_qp_num = qm->qp_num; - else - qm->debug.curr_qm_qp_num = qm_get_vf_qp_num(qm, val); - - writel(val, qm->io_base + QM_DFX_MB_CNT_VF); - writel(val, qm->io_base + QM_DFX_DB_CNT_VF); - - tmp = val | - (readl(qm->io_base + QM_DFX_SQE_CNT_VF_SQN) & CURRENT_Q_MASK); - writel(tmp, qm->io_base + QM_DFX_SQE_CNT_VF_SQN); - - tmp = val | - (readl(qm->io_base + QM_DFX_CQE_CNT_VF_CQN) & CURRENT_Q_MASK); - writel(tmp, qm->io_base + QM_DFX_CQE_CNT_VF_CQN); - - return 0; -} - -static ssize_t qm_debug_read(struct file *filp, char __user *buf, - size_t count, loff_t *pos) -{ - struct debugfs_file *file = filp->private_data; - enum qm_debug_file index = file->index; - struct hisi_qm *qm = file_to_qm(file); - char tbuf[QM_DBG_TMP_BUF_LEN]; - u32 val; - int ret; - - ret = hisi_qm_get_dfx_access(qm); - if (ret) - return ret; - - mutex_lock(&file->lock); - switch (index) { - case CURRENT_QM: - val = current_qm_read(qm); - break; - case CURRENT_Q: - val = current_q_read(qm); - break; - case CLEAR_ENABLE: - val = clear_enable_read(qm); - break; - default: - goto err_input; - } - mutex_unlock(&file->lock); - - hisi_qm_put_dfx_access(qm); - ret = scnprintf(tbuf, QM_DBG_TMP_BUF_LEN, "%u\n", val); - return simple_read_from_buffer(buf, count, pos, tbuf, ret); - -err_input: - mutex_unlock(&file->lock); - hisi_qm_put_dfx_access(qm); - return -EINVAL; -} - -static ssize_t qm_debug_write(struct file *filp, const char __user *buf, - size_t count, loff_t *pos) -{ - struct debugfs_file *file = filp->private_data; - enum qm_debug_file index = file->index; - struct hisi_qm *qm = file_to_qm(file); - unsigned long val; - char tbuf[QM_DBG_TMP_BUF_LEN]; - int len, ret; - - if (*pos != 0) - return 0; - - if (count >= QM_DBG_TMP_BUF_LEN) - return -ENOSPC; - - len = simple_write_to_buffer(tbuf, QM_DBG_TMP_BUF_LEN - 1, pos, buf, - count); - if (len < 0) - return len; - - tbuf[len] = '\0'; - if (kstrtoul(tbuf, 0, &val)) - return -EFAULT; - - ret = hisi_qm_get_dfx_access(qm); - if (ret) - return ret; - - mutex_lock(&file->lock); - switch (index) { - case CURRENT_QM: - ret = current_qm_write(qm, val); - break; - case CURRENT_Q: - ret = current_q_write(qm, val); - break; - case CLEAR_ENABLE: - ret = clear_enable_write(qm, val); - break; - default: - ret = -EINVAL; - } - mutex_unlock(&file->lock); - - hisi_qm_put_dfx_access(qm); - - if (ret) - return ret; - - return count; -} - -static const struct file_operations qm_debug_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = qm_debug_read, - .write = qm_debug_write, -}; - -#define CNT_CYC_REGS_NUM 10 -static const struct debugfs_reg32 qm_dfx_regs[] = { - /* XXX_CNT are reading clear register */ - {"QM_ECC_1BIT_CNT ", 0x104000ull}, - {"QM_ECC_MBIT_CNT ", 0x104008ull}, - {"QM_DFX_MB_CNT ", 0x104018ull}, - {"QM_DFX_DB_CNT ", 0x104028ull}, - {"QM_DFX_SQE_CNT ", 0x104038ull}, - {"QM_DFX_CQE_CNT ", 0x104048ull}, - {"QM_DFX_SEND_SQE_TO_ACC_CNT ", 0x104050ull}, - {"QM_DFX_WB_SQE_FROM_ACC_CNT ", 0x104058ull}, - {"QM_DFX_ACC_FINISH_CNT ", 0x104060ull}, - {"QM_DFX_CQE_ERR_CNT ", 0x1040b4ull}, - {"QM_DFX_FUNS_ACTIVE_ST ", 0x200ull}, - {"QM_ECC_1BIT_INF ", 0x104004ull}, - {"QM_ECC_MBIT_INF ", 0x10400cull}, - {"QM_DFX_ACC_RDY_VLD0 ", 0x1040a0ull}, - {"QM_DFX_ACC_RDY_VLD1 ", 0x1040a4ull}, - {"QM_DFX_AXI_RDY_VLD ", 0x1040a8ull}, - {"QM_DFX_FF_ST0 ", 0x1040c8ull}, - {"QM_DFX_FF_ST1 ", 0x1040ccull}, - {"QM_DFX_FF_ST2 ", 0x1040d0ull}, - {"QM_DFX_FF_ST3 ", 0x1040d4ull}, - {"QM_DFX_FF_ST4 ", 0x1040d8ull}, - {"QM_DFX_FF_ST5 ", 0x1040dcull}, - {"QM_DFX_FF_ST6 ", 0x1040e0ull}, - {"QM_IN_IDLE_ST ", 0x1040e4ull}, -}; - -static const struct debugfs_reg32 qm_vf_dfx_regs[] = { - {"QM_DFX_FUNS_ACTIVE_ST ", 0x200ull}, -}; - -/** - * hisi_qm_regs_dump() - Dump registers's value. - * @s: debugfs file handle. - * @regset: accelerator registers information. - * - * Dump accelerator registers. - */ -void hisi_qm_regs_dump(struct seq_file *s, struct debugfs_regset32 *regset) -{ - struct pci_dev *pdev = to_pci_dev(regset->dev); - struct hisi_qm *qm = pci_get_drvdata(pdev); - const struct debugfs_reg32 *regs = regset->regs; - int regs_len = regset->nregs; - int i, ret; - u32 val; - - ret = hisi_qm_get_dfx_access(qm); - if (ret) - return; - - for (i = 0; i < regs_len; i++) { - val = readl(regset->base + regs[i].offset); - seq_printf(s, "%s= 0x%08x\n", regs[i].name, val); - } - - hisi_qm_put_dfx_access(qm); -} -EXPORT_SYMBOL_GPL(hisi_qm_regs_dump); - -static int qm_regs_show(struct seq_file *s, void *unused) -{ - struct hisi_qm *qm = s->private; - struct debugfs_regset32 regset; - - if (qm->fun_type == QM_HW_PF) { - regset.regs = qm_dfx_regs; - regset.nregs = ARRAY_SIZE(qm_dfx_regs); - } else { - regset.regs = qm_vf_dfx_regs; - regset.nregs = ARRAY_SIZE(qm_vf_dfx_regs); - } - - regset.base = qm->io_base; - regset.dev = &qm->pdev->dev; - - hisi_qm_regs_dump(s, ®set); - - return 0; -} - -DEFINE_SHOW_ATTRIBUTE(qm_regs); - -static struct dfx_diff_registers *dfx_regs_init(struct hisi_qm *qm, - const struct dfx_diff_registers *cregs, int reg_len) -{ - struct dfx_diff_registers *diff_regs; - u32 j, base_offset; - int i; - - diff_regs = kcalloc(reg_len, sizeof(*diff_regs), GFP_KERNEL); - if (!diff_regs) - return ERR_PTR(-ENOMEM); - - for (i = 0; i < reg_len; i++) { - if (!cregs[i].reg_len) - continue; - - diff_regs[i].reg_offset = cregs[i].reg_offset; - diff_regs[i].reg_len = cregs[i].reg_len; - diff_regs[i].regs = kcalloc(QM_DFX_REGS_LEN, cregs[i].reg_len, - GFP_KERNEL); - if (!diff_regs[i].regs) - goto alloc_error; - - for (j = 0; j < diff_regs[i].reg_len; j++) { - base_offset = diff_regs[i].reg_offset + - j * QM_DFX_REGS_LEN; - diff_regs[i].regs[j] = readl(qm->io_base + base_offset); - } - } - - return diff_regs; - -alloc_error: - while (i > 0) { - i--; - kfree(diff_regs[i].regs); - } - kfree(diff_regs); - return ERR_PTR(-ENOMEM); -} - -static void dfx_regs_uninit(struct hisi_qm *qm, - struct dfx_diff_registers *dregs, int reg_len) -{ - int i; - - /* Setting the pointer is NULL to prevent double free */ - for (i = 0; i < reg_len; i++) { - kfree(dregs[i].regs); - dregs[i].regs = NULL; - } - kfree(dregs); - dregs = NULL; -} - -/** - * hisi_qm_diff_regs_init() - Allocate memory for registers. - * @qm: device qm handle. - * @dregs: diff registers handle. - * @reg_len: diff registers region length. - */ -int hisi_qm_diff_regs_init(struct hisi_qm *qm, - struct dfx_diff_registers *dregs, int reg_len) -{ - if (!qm || !dregs || reg_len <= 0) - return -EINVAL; - - if (qm->fun_type != QM_HW_PF) - return 0; - - qm->debug.qm_diff_regs = dfx_regs_init(qm, qm_diff_regs, - ARRAY_SIZE(qm_diff_regs)); - if (IS_ERR(qm->debug.qm_diff_regs)) - return PTR_ERR(qm->debug.qm_diff_regs); - - qm->debug.acc_diff_regs = dfx_regs_init(qm, dregs, reg_len); - if (IS_ERR(qm->debug.acc_diff_regs)) { - dfx_regs_uninit(qm, qm->debug.qm_diff_regs, - ARRAY_SIZE(qm_diff_regs)); - return PTR_ERR(qm->debug.acc_diff_regs); - } - - return 0; -} -EXPORT_SYMBOL_GPL(hisi_qm_diff_regs_init); - -/** - * hisi_qm_diff_regs_uninit() - Free memory for registers. - * @qm: device qm handle. - * @reg_len: diff registers region length. - */ -void hisi_qm_diff_regs_uninit(struct hisi_qm *qm, int reg_len) -{ - if (!qm || reg_len <= 0 || qm->fun_type != QM_HW_PF) - return; - - dfx_regs_uninit(qm, qm->debug.acc_diff_regs, reg_len); - dfx_regs_uninit(qm, qm->debug.qm_diff_regs, ARRAY_SIZE(qm_diff_regs)); -} -EXPORT_SYMBOL_GPL(hisi_qm_diff_regs_uninit); - -/** - * hisi_qm_acc_diff_regs_dump() - Dump registers's value. - * @qm: device qm handle. - * @s: Debugfs file handle. - * @dregs: diff registers handle. - * @regs_len: diff registers region length. - */ -void hisi_qm_acc_diff_regs_dump(struct hisi_qm *qm, struct seq_file *s, - struct dfx_diff_registers *dregs, int regs_len) -{ - u32 j, val, base_offset; - int i, ret; - - if (!qm || !s || !dregs || regs_len <= 0) - return; - - ret = hisi_qm_get_dfx_access(qm); - if (ret) - return; - - down_read(&qm->qps_lock); - for (i = 0; i < regs_len; i++) { - if (!dregs[i].reg_len) - continue; - - for (j = 0; j < dregs[i].reg_len; j++) { - base_offset = dregs[i].reg_offset + j * QM_DFX_REGS_LEN; - val = readl(qm->io_base + base_offset); - if (val != dregs[i].regs[j]) - seq_printf(s, "0x%08x = 0x%08x ---> 0x%08x\n", - base_offset, dregs[i].regs[j], val); - } - } - up_read(&qm->qps_lock); - - hisi_qm_put_dfx_access(qm); -} -EXPORT_SYMBOL_GPL(hisi_qm_acc_diff_regs_dump); - -static int qm_diff_regs_show(struct seq_file *s, void *unused) -{ - struct hisi_qm *qm = s->private; - - hisi_qm_acc_diff_regs_dump(qm, s, qm->debug.qm_diff_regs, - ARRAY_SIZE(qm_diff_regs)); - - return 0; -} -DEFINE_SHOW_ATTRIBUTE(qm_diff_regs); - -static ssize_t qm_cmd_read(struct file *filp, char __user *buffer, - size_t count, loff_t *pos) -{ - char buf[QM_DBG_READ_LEN]; - int len; - - len = scnprintf(buf, QM_DBG_READ_LEN, "%s\n", - "Please echo help to cmd to get help information"); - - return simple_read_from_buffer(buffer, count, pos, buf, len); -} - -static void *qm_ctx_alloc(struct hisi_qm *qm, size_t ctx_size, +void *hisi_qm_ctx_alloc(struct hisi_qm *qm, size_t ctx_size, dma_addr_t *dma_addr) { struct device *dev = &qm->pdev->dev; @@ -1905,7 +1330,7 @@ static void *qm_ctx_alloc(struct hisi_qm *qm, size_t ctx_size, return ctx_addr; } -static void qm_ctx_free(struct hisi_qm *qm, size_t ctx_size, +void hisi_qm_ctx_free(struct hisi_qm *qm, size_t ctx_size, const void *ctx_addr, dma_addr_t *dma_addr) { struct device *dev = &qm->pdev->dev; @@ -1914,21 +1339,6 @@ static void qm_ctx_free(struct hisi_qm *qm, size_t ctx_size, kfree(ctx_addr); } -static void dump_show(struct hisi_qm *qm, void *info, - unsigned int info_size, char *info_name) -{ - struct device *dev = &qm->pdev->dev; - u8 *info_curr = info; - u32 i; -#define BYTE_PER_DW 4 - - dev_info(dev, "%s DUMP\n", info_name); - for (i = 0; i < info_size; i += BYTE_PER_DW, info_curr += BYTE_PER_DW) { - pr_info("DW%u: %02X%02X %02X%02X\n", i / BYTE_PER_DW, - *(info_curr + 3), *(info_curr + 2), *(info_curr + 1), *(info_curr)); - } -} - static int qm_dump_sqc_raw(struct hisi_qm *qm, dma_addr_t dma_addr, u16 qp_id) { return hisi_qm_mb(qm, QM_MB_CMD_SQC, dma_addr, qp_id, 1); @@ -1939,387 +1349,6 @@ static int qm_dump_cqc_raw(struct hisi_qm *qm, dma_addr_t dma_addr, u16 qp_id) return hisi_qm_mb(qm, QM_MB_CMD_CQC, dma_addr, qp_id, 1); } -static int qm_sqc_dump(struct hisi_qm *qm, const char *s) -{ - struct device *dev = &qm->pdev->dev; - struct qm_sqc *sqc, *sqc_curr; - dma_addr_t sqc_dma; - u32 qp_id; - int ret; - - if (!s) - return -EINVAL; - - ret = kstrtou32(s, 0, &qp_id); - if (ret || qp_id >= qm->qp_num) { - dev_err(dev, "Please input qp num (0-%u)", qm->qp_num - 1); - return -EINVAL; - } - - sqc = qm_ctx_alloc(qm, sizeof(*sqc), &sqc_dma); - if (IS_ERR(sqc)) - return PTR_ERR(sqc); - - ret = qm_dump_sqc_raw(qm, sqc_dma, qp_id); - if (ret) { - down_read(&qm->qps_lock); - if (qm->sqc) { - sqc_curr = qm->sqc + qp_id; - - dump_show(qm, sqc_curr, sizeof(*sqc), "SOFT SQC"); - } - up_read(&qm->qps_lock); - - goto free_ctx; - } - - dump_show(qm, sqc, sizeof(*sqc), "SQC"); - -free_ctx: - qm_ctx_free(qm, sizeof(*sqc), sqc, &sqc_dma); - return 0; -} - -static int qm_cqc_dump(struct hisi_qm *qm, const char *s) -{ - struct device *dev = &qm->pdev->dev; - struct qm_cqc *cqc, *cqc_curr; - dma_addr_t cqc_dma; - u32 qp_id; - int ret; - - if (!s) - return -EINVAL; - - ret = kstrtou32(s, 0, &qp_id); - if (ret || qp_id >= qm->qp_num) { - dev_err(dev, "Please input qp num (0-%u)", qm->qp_num - 1); - return -EINVAL; - } - - cqc = qm_ctx_alloc(qm, sizeof(*cqc), &cqc_dma); - if (IS_ERR(cqc)) - return PTR_ERR(cqc); - - ret = qm_dump_cqc_raw(qm, cqc_dma, qp_id); - if (ret) { - down_read(&qm->qps_lock); - if (qm->cqc) { - cqc_curr = qm->cqc + qp_id; - - dump_show(qm, cqc_curr, sizeof(*cqc), "SOFT CQC"); - } - up_read(&qm->qps_lock); - - goto free_ctx; - } - - dump_show(qm, cqc, sizeof(*cqc), "CQC"); - -free_ctx: - qm_ctx_free(qm, sizeof(*cqc), cqc, &cqc_dma); - return 0; -} - -static int qm_eqc_aeqc_dump(struct hisi_qm *qm, char *s, size_t size, - int cmd, char *name) -{ - struct device *dev = &qm->pdev->dev; - dma_addr_t xeqc_dma; - void *xeqc; - int ret; - - if (strsep(&s, " ")) { - dev_err(dev, "Please do not input extra characters!\n"); - return -EINVAL; - } - - xeqc = qm_ctx_alloc(qm, size, &xeqc_dma); - if (IS_ERR(xeqc)) - return PTR_ERR(xeqc); - - ret = hisi_qm_mb(qm, cmd, xeqc_dma, 0, 1); - if (ret) - goto err_free_ctx; - - dump_show(qm, xeqc, size, name); - -err_free_ctx: - qm_ctx_free(qm, size, xeqc, &xeqc_dma); - return ret; -} - -static int q_dump_param_parse(struct hisi_qm *qm, char *s, - u32 *e_id, u32 *q_id, u16 q_depth) -{ - struct device *dev = &qm->pdev->dev; - unsigned int qp_num = qm->qp_num; - char *presult; - int ret; - - presult = strsep(&s, " "); - if (!presult) { - dev_err(dev, "Please input qp number!\n"); - return -EINVAL; - } - - ret = kstrtou32(presult, 0, q_id); - if (ret || *q_id >= qp_num) { - dev_err(dev, "Please input qp num (0-%u)", qp_num - 1); - return -EINVAL; - } - - presult = strsep(&s, " "); - if (!presult) { - dev_err(dev, "Please input sqe number!\n"); - return -EINVAL; - } - - ret = kstrtou32(presult, 0, e_id); - if (ret || *e_id >= q_depth) { - dev_err(dev, "Please input sqe num (0-%u)", q_depth - 1); - return -EINVAL; - } - - if (strsep(&s, " ")) { - dev_err(dev, "Please do not input extra characters!\n"); - return -EINVAL; - } - - return 0; -} - -static int qm_sq_dump(struct hisi_qm *qm, char *s) -{ - u16 sq_depth = qm->qp_array->cq_depth; - void *sqe, *sqe_curr; - struct hisi_qp *qp; - u32 qp_id, sqe_id; - int ret; - - ret = q_dump_param_parse(qm, s, &sqe_id, &qp_id, sq_depth); - if (ret) - return ret; - - sqe = kzalloc(qm->sqe_size * sq_depth, GFP_KERNEL); - if (!sqe) - return -ENOMEM; - - qp = &qm->qp_array[qp_id]; - memcpy(sqe, qp->sqe, qm->sqe_size * sq_depth); - sqe_curr = sqe + (u32)(sqe_id * qm->sqe_size); - memset(sqe_curr + qm->debug.sqe_mask_offset, QM_SQE_ADDR_MASK, - qm->debug.sqe_mask_len); - - dump_show(qm, sqe_curr, qm->sqe_size, "SQE"); - - kfree(sqe); - - return 0; -} - -static int qm_cq_dump(struct hisi_qm *qm, char *s) -{ - struct qm_cqe *cqe_curr; - struct hisi_qp *qp; - u32 qp_id, cqe_id; - int ret; - - ret = q_dump_param_parse(qm, s, &cqe_id, &qp_id, qm->qp_array->cq_depth); - if (ret) - return ret; - - qp = &qm->qp_array[qp_id]; - cqe_curr = qp->cqe + cqe_id; - dump_show(qm, cqe_curr, sizeof(struct qm_cqe), "CQE"); - - return 0; -} - -static int qm_eq_aeq_dump(struct hisi_qm *qm, const char *s, - size_t size, char *name) -{ - struct device *dev = &qm->pdev->dev; - void *xeqe; - u32 xeqe_id; - int ret; - - if (!s) - return -EINVAL; - - ret = kstrtou32(s, 0, &xeqe_id); - if (ret) - return -EINVAL; - - if (!strcmp(name, "EQE") && xeqe_id >= qm->eq_depth) { - dev_err(dev, "Please input eqe num (0-%u)", qm->eq_depth - 1); - return -EINVAL; - } else if (!strcmp(name, "AEQE") && xeqe_id >= qm->aeq_depth) { - dev_err(dev, "Please input aeqe num (0-%u)", qm->eq_depth - 1); - return -EINVAL; - } - - down_read(&qm->qps_lock); - - if (qm->eqe && !strcmp(name, "EQE")) { - xeqe = qm->eqe + xeqe_id; - } else if (qm->aeqe && !strcmp(name, "AEQE")) { - xeqe = qm->aeqe + xeqe_id; - } else { - ret = -EINVAL; - goto err_unlock; - } - - dump_show(qm, xeqe, size, name); - -err_unlock: - up_read(&qm->qps_lock); - return ret; -} - -static int qm_dbg_help(struct hisi_qm *qm, char *s) -{ - struct device *dev = &qm->pdev->dev; - - if (strsep(&s, " ")) { - dev_err(dev, "Please do not input extra characters!\n"); - return -EINVAL; - } - - dev_info(dev, "available commands:\n"); - dev_info(dev, "sqc <num>\n"); - dev_info(dev, "cqc <num>\n"); - dev_info(dev, "eqc\n"); - dev_info(dev, "aeqc\n"); - dev_info(dev, "sq <num> <e>\n"); - dev_info(dev, "cq <num> <e>\n"); - dev_info(dev, "eq <e>\n"); - dev_info(dev, "aeq <e>\n"); - - return 0; -} - -static int qm_cmd_write_dump(struct hisi_qm *qm, const char *cmd_buf) -{ - struct device *dev = &qm->pdev->dev; - char *presult, *s, *s_tmp; - int ret; - - s = kstrdup(cmd_buf, GFP_KERNEL); - if (!s) - return -ENOMEM; - - s_tmp = s; - presult = strsep(&s, " "); - if (!presult) { - ret = -EINVAL; - goto err_buffer_free; - } - - if (!strcmp(presult, "sqc")) - ret = qm_sqc_dump(qm, s); - else if (!strcmp(presult, "cqc")) - ret = qm_cqc_dump(qm, s); - else if (!strcmp(presult, "eqc")) - ret = qm_eqc_aeqc_dump(qm, s, sizeof(struct qm_eqc), - QM_MB_CMD_EQC, "EQC"); - else if (!strcmp(presult, "aeqc")) - ret = qm_eqc_aeqc_dump(qm, s, sizeof(struct qm_aeqc), - QM_MB_CMD_AEQC, "AEQC"); - else if (!strcmp(presult, "sq")) - ret = qm_sq_dump(qm, s); - else if (!strcmp(presult, "cq")) - ret = qm_cq_dump(qm, s); - else if (!strcmp(presult, "eq")) - ret = qm_eq_aeq_dump(qm, s, sizeof(struct qm_eqe), "EQE"); - else if (!strcmp(presult, "aeq")) - ret = qm_eq_aeq_dump(qm, s, sizeof(struct qm_aeqe), "AEQE"); - else if (!strcmp(presult, "help")) - ret = qm_dbg_help(qm, s); - else - ret = -EINVAL; - - if (ret) - dev_info(dev, "Please echo help\n"); - -err_buffer_free: - kfree(s_tmp); - - return ret; -} - -static ssize_t qm_cmd_write(struct file *filp, const char __user *buffer, - size_t count, loff_t *pos) -{ - struct hisi_qm *qm = filp->private_data; - char *cmd_buf, *cmd_buf_tmp; - int ret; - - if (*pos) - return 0; - - ret = hisi_qm_get_dfx_access(qm); - if (ret) - return ret; - - /* Judge if the instance is being reset. */ - if (unlikely(atomic_read(&qm->status.flags) == QM_STOP)) { - ret = 0; - goto put_dfx_access; - } - - if (count > QM_DBG_WRITE_LEN) { - ret = -ENOSPC; - goto put_dfx_access; - } - - cmd_buf = memdup_user_nul(buffer, count); - if (IS_ERR(cmd_buf)) { - ret = PTR_ERR(cmd_buf); - goto put_dfx_access; - } - - cmd_buf_tmp = strchr(cmd_buf, '\n'); - if (cmd_buf_tmp) { - *cmd_buf_tmp = '\0'; - count = cmd_buf_tmp - cmd_buf + 1; - } - - ret = qm_cmd_write_dump(qm, cmd_buf); - if (ret) { - kfree(cmd_buf); - goto put_dfx_access; - } - - kfree(cmd_buf); - - ret = count; - -put_dfx_access: - hisi_qm_put_dfx_access(qm); - return ret; -} - -static const struct file_operations qm_cmd_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = qm_cmd_read, - .write = qm_cmd_write, -}; - -static void qm_create_debugfs_file(struct hisi_qm *qm, struct dentry *dir, - enum qm_debug_file index) -{ - struct debugfs_file *file = qm->debug.files + index; - - debugfs_create_file(qm_debug_file_name[index], 0600, dir, file, - &qm_debug_fops); - - file->index = index; - mutex_init(&file->lock); - file->debug = &qm->debug; -} - static void qm_hw_error_init_v1(struct hisi_qm *qm) { writel(QM_ABNORMAL_INT_MASK_VALUE, qm->io_base + QM_ABNORMAL_INT_MASK); @@ -3101,7 +2130,7 @@ static int qm_drain_qp(struct hisi_qp *qp) return ret; } - addr = qm_ctx_alloc(qm, size, &dma_addr); + addr = hisi_qm_ctx_alloc(qm, size, &dma_addr); if (IS_ERR(addr)) { dev_err(dev, "Failed to alloc ctx for sqc and cqc!\n"); return -ENOMEM; @@ -3136,7 +2165,7 @@ static int qm_drain_qp(struct hisi_qp *qp) usleep_range(WAIT_PERIOD_US_MIN, WAIT_PERIOD_US_MAX); } - qm_ctx_free(qm, size, addr, &dma_addr); + hisi_qm_ctx_free(qm, size, addr, &dma_addr); return ret; } @@ -3721,17 +2750,6 @@ static void hisi_qm_set_state(struct hisi_qm *qm, u8 state) 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; -} - static void hisi_qm_unint_work(struct hisi_qm *qm) { destroy_workqueue(qm->wq); @@ -3762,8 +2780,6 @@ static void hisi_qm_memory_uninit(struct hisi_qm *qm) */ void hisi_qm_uninit(struct hisi_qm *qm) { - qm_last_regs_uninit(qm); - qm_cmd_uninit(qm); hisi_qm_unint_work(qm); down_write(&qm->qps_lock); @@ -4132,45 +3148,6 @@ err_unlock: } EXPORT_SYMBOL_GPL(hisi_qm_stop); -static ssize_t qm_status_read(struct file *filp, char __user *buffer, - size_t count, loff_t *pos) -{ - struct hisi_qm *qm = filp->private_data; - char buf[QM_DBG_READ_LEN]; - int val, len; - - val = atomic_read(&qm->status.flags); - len = scnprintf(buf, QM_DBG_READ_LEN, "%s\n", qm_s[val]); - - return simple_read_from_buffer(buffer, count, pos, buf, len); -} - -static const struct file_operations qm_status_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = qm_status_read, -}; - -static int qm_debugfs_atomic64_set(void *data, u64 val) -{ - if (val) - return -EINVAL; - - atomic64_set((atomic64_t *)data, 0); - - return 0; -} - -static int qm_debugfs_atomic64_get(void *data, u64 *val) -{ - *val = atomic64_read((atomic64_t *)data); - - return 0; -} - -DEFINE_DEBUGFS_ATTRIBUTE(qm_atomic64_ops, qm_debugfs_atomic64_get, - qm_debugfs_atomic64_set, "%llu\n"); - static void qm_hw_error_init(struct hisi_qm *qm) { if (!qm->ops->hw_error_init) { @@ -4277,16 +3254,14 @@ static int hisi_qm_sort_devices(int node, struct list_head *head, struct hisi_qm *qm; struct list_head *n; struct device *dev; - int dev_node = 0; + int dev_node; list_for_each_entry(qm, &qm_list->list, list) { dev = &qm->pdev->dev; - if (IS_ENABLED(CONFIG_NUMA)) { - dev_node = dev_to_node(dev); - if (dev_node < 0) - dev_node = 0; - } + dev_node = dev_to_node(dev); + if (dev_node < 0) + dev_node = 0; res = kzalloc(sizeof(*res), GFP_KERNEL); if (!res) @@ -4592,49 +3567,36 @@ err_put_dfx_access: return ret; } -static ssize_t qm_qos_value_init(const char *buf, unsigned long *val) -{ - int buflen = strlen(buf); - int ret, i; - - for (i = 0; i < buflen; i++) { - if (!isdigit(buf[i])) - return -EINVAL; - } - - ret = sscanf(buf, "%lu", val); - if (ret != QM_QOS_VAL_NUM) - return -EINVAL; - - return 0; -} - static ssize_t qm_get_qos_value(struct hisi_qm *qm, const char *buf, unsigned long *val, unsigned int *fun_index) { + struct bus_type *bus_type = qm->pdev->dev.bus; char tbuf_bdf[QM_DBG_READ_LEN] = {0}; - char val_buf[QM_QOS_VAL_MAX_LEN] = {0}; - u32 tmp1, device, function; - int ret, bus; + char val_buf[QM_DBG_READ_LEN] = {0}; + struct pci_dev *pdev; + struct device *dev; + int ret; ret = sscanf(buf, "%s %s", tbuf_bdf, val_buf); if (ret != QM_QOS_PARAM_NUM) return -EINVAL; - ret = qm_qos_value_init(val_buf, val); + ret = kstrtoul(val_buf, 10, val); if (ret || *val == 0 || *val > QM_QOS_MAX_VAL) { pci_err(qm->pdev, "input qos value is error, please set 1~1000!\n"); return -EINVAL; } - ret = sscanf(tbuf_bdf, "%u:%x:%u.%u", &tmp1, &bus, &device, &function); - if (ret != QM_QOS_BDF_PARAM_NUM) { - pci_err(qm->pdev, "input pci bdf value is error!\n"); - return -EINVAL; + dev = bus_find_device_by_name(bus_type, NULL, tbuf_bdf); + if (!dev) { + pci_err(qm->pdev, "input pci bdf number is error!\n"); + return -ENODEV; } - *fun_index = PCI_DEVFN(device, function); + pdev = container_of(dev, struct pci_dev, dev); + + *fun_index = pdev->devfn; return 0; } @@ -4648,9 +3610,6 @@ static ssize_t qm_algqos_write(struct file *filp, const char __user *buf, unsigned long val; int len, ret; - if (qm->fun_type == QM_HW_VF) - return -EINVAL; - if (*pos != 0) return 0; @@ -4709,7 +3668,7 @@ static const struct file_operations qm_algqos_fops = { * * Create function qos debugfs files, VF ping PF to get function qos. */ -static void hisi_qm_set_algqos_init(struct hisi_qm *qm) +void hisi_qm_set_algqos_init(struct hisi_qm *qm) { if (qm->fun_type == QM_HW_PF) debugfs_create_file("alg_qos", 0644, qm->debug.debug_root, @@ -4719,88 +3678,6 @@ static void hisi_qm_set_algqos_init(struct hisi_qm *qm) qm, &qm_algqos_fops); } -/** - * hisi_qm_debug_init() - Initialize qm related debugfs files. - * @qm: The qm for which we want to add debugfs files. - * - * Create qm related debugfs files. - */ -void hisi_qm_debug_init(struct hisi_qm *qm) -{ - struct dfx_diff_registers *qm_regs = qm->debug.qm_diff_regs; - struct qm_dfx *dfx = &qm->debug.dfx; - struct dentry *qm_d; - void *data; - int i; - - qm_d = debugfs_create_dir("qm", qm->debug.debug_root); - qm->debug.qm_d = qm_d; - - /* only show this in PF */ - if (qm->fun_type == QM_HW_PF) { - qm_create_debugfs_file(qm, qm->debug.debug_root, CURRENT_QM); - for (i = CURRENT_Q; i < DEBUG_FILE_NUM; i++) - qm_create_debugfs_file(qm, qm->debug.qm_d, i); - } - - if (qm_regs) - debugfs_create_file("diff_regs", 0444, qm->debug.qm_d, - qm, &qm_diff_regs_fops); - - debugfs_create_file("regs", 0444, qm->debug.qm_d, qm, &qm_regs_fops); - - debugfs_create_file("cmd", 0600, qm->debug.qm_d, qm, &qm_cmd_fops); - - debugfs_create_file("status", 0444, qm->debug.qm_d, qm, - &qm_status_fops); - for (i = 0; i < ARRAY_SIZE(qm_dfx_files); i++) { - data = (atomic64_t *)((uintptr_t)dfx + qm_dfx_files[i].offset); - debugfs_create_file(qm_dfx_files[i].name, - 0644, - qm_d, - data, - &qm_atomic64_ops); - } - - if (test_bit(QM_SUPPORT_FUNC_QOS, &qm->caps)) - hisi_qm_set_algqos_init(qm); -} -EXPORT_SYMBOL_GPL(hisi_qm_debug_init); - -/** - * hisi_qm_debug_regs_clear() - clear qm debug related registers. - * @qm: The qm for which we want to clear its debug registers. - */ -void hisi_qm_debug_regs_clear(struct hisi_qm *qm) -{ - const struct debugfs_reg32 *regs; - int i; - - /* clear current_qm */ - writel(0x0, qm->io_base + QM_DFX_MB_CNT_VF); - writel(0x0, qm->io_base + QM_DFX_DB_CNT_VF); - - /* clear current_q */ - writel(0x0, qm->io_base + QM_DFX_SQE_CNT_VF_SQN); - writel(0x0, qm->io_base + QM_DFX_CQE_CNT_VF_CQN); - - /* - * these registers are reading and clearing, so clear them after - * reading them. - */ - writel(0x1, qm->io_base + QM_DFX_CNT_CLR_CE); - - regs = qm_dfx_regs; - for (i = 0; i < CNT_CYC_REGS_NUM; i++) { - readl(qm->io_base + regs->offset); - regs++; - } - - /* clear clear_enable */ - writel(0x0, qm->io_base + QM_DFX_CNT_CLR_CE); -} -EXPORT_SYMBOL_GPL(hisi_qm_debug_regs_clear); - static void hisi_qm_init_vf_qos(struct hisi_qm *qm, int total_func) { int i; @@ -5439,24 +4316,6 @@ static int qm_controller_reset_done(struct hisi_qm *qm) 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; @@ -5472,7 +4331,7 @@ static int qm_controller_reset(struct hisi_qm *qm) return ret; } - qm_show_last_dfx_regs(qm); + hisi_qm_show_last_dfx_regs(qm); if (qm->err_ini->show_last_dfx_regs) qm->err_ini->show_last_dfx_regs(qm); @@ -5725,6 +4584,7 @@ static void qm_pf_reset_vf_done(struct hisi_qm *qm) cmd = QM_VF_START_FAIL; } + qm_cmd_init(qm); ret = qm_ping_pf(qm, cmd); if (ret) dev_warn(&pdev->dev, "PF responds timeout in reset done!\n"); @@ -5786,7 +4646,6 @@ static void qm_pf_reset_vf_process(struct hisi_qm *qm, goto err_get_status; qm_pf_reset_vf_done(qm); - qm_cmd_init(qm); dev_info(dev, "device reset done.\n"); @@ -6359,26 +5218,6 @@ err_destroy_idr: 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. @@ -6427,8 +5266,6 @@ int hisi_qm_init(struct hisi_qm *qm) qm_cmd_init(qm); atomic_set(&qm->status.flags, QM_INIT); - qm_last_regs_init(qm); - return 0; err_free_qm_memory: @@ -6631,8 +5468,14 @@ int hisi_qm_resume(struct device *dev) } ret = hisi_qm_start(qm); - if (ret) - pci_err(pdev, "failed to start qm(%d)\n", ret); + if (ret) { + if (qm_check_dev_error(qm)) { + pci_info(pdev, "failed to start qm due to device error, device will be reset!\n"); + return 0; + } + + pci_err(pdev, "failed to start qm(%d)!\n", ret); + } return ret; } |