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crypto: hisilicon/qm - disable same error report before resetting

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If an error indicating that the device needs to be reset is reported,
disable the error reporting before device reset is complete,
enable the error reporting after the reset is complete to prevent
the same error from being reported repeatedly.

Fixes: eaebf4c3b1 ("crypto: hisilicon - Unify hardware error init/uninit into QM")
Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Weili Qian
2024-10-26 19:44:29 +08:00
committed by Herbert Xu
parent 2a69297eed
commit c418ba6bac
5 changed files with 110 additions and 50 deletions
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35
drivers/crypto/hisilicon/sec2/sec_main.c
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@@ -1056,11 +1056,15 @@ static u32 sec_get_hw_err_status(struct hisi_qm *qm)
static void sec_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts)
{
u32 nfe;
writel(err_sts, qm->io_base + SEC_CORE_INT_SOURCE);
nfe = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_NFE_MASK_CAP, qm->cap_ver);
writel(nfe, qm->io_base + SEC_RAS_NFE_REG);
}
static void sec_disable_error_report(struct hisi_qm *qm, u32 err_type)
{
u32 nfe_mask;
nfe_mask = hisi_qm_get_hw_info(qm, sec_basic_info, SEC_NFE_MASK_CAP, qm->cap_ver);
writel(nfe_mask & (~err_type), qm->io_base + SEC_RAS_NFE_REG);
}
static void sec_open_axi_master_ooo(struct hisi_qm *qm)
@@ -1072,6 +1076,27 @@ static void sec_open_axi_master_ooo(struct hisi_qm *qm)
writel(val | SEC_AXI_SHUTDOWN_ENABLE, qm->io_base + SEC_CONTROL_REG);
}
static enum acc_err_result sec_get_err_result(struct hisi_qm *qm)
{
u32 err_status;
err_status = sec_get_hw_err_status(qm);
if (err_status) {
if (err_status & qm->err_info.ecc_2bits_mask)
qm->err_status.is_dev_ecc_mbit = true;
sec_log_hw_error(qm, err_status);
if (err_status & qm->err_info.dev_reset_mask) {
/* Disable the same error reporting until device is recovered. */
sec_disable_error_report(qm, err_status);
return ACC_ERR_NEED_RESET;
}
sec_clear_hw_err_status(qm, err_status);
}
return ACC_ERR_RECOVERED;
}
static void sec_err_info_init(struct hisi_qm *qm)
{
struct hisi_qm_err_info *err_info = &qm->err_info;
@@ -1098,12 +1123,12 @@ static const struct hisi_qm_err_ini sec_err_ini = {
.hw_err_disable = sec_hw_error_disable,
.get_dev_hw_err_status = sec_get_hw_err_status,
.clear_dev_hw_err_status = sec_clear_hw_err_status,
.log_dev_hw_err = sec_log_hw_error,
.open_axi_master_ooo = sec_open_axi_master_ooo,
.open_sva_prefetch = sec_open_sva_prefetch,
.close_sva_prefetch = sec_close_sva_prefetch,
.show_last_dfx_regs = sec_show_last_dfx_regs,
.err_info_init = sec_err_info_init,
.get_err_result = sec_get_err_result,
};
static int sec_pf_probe_init(struct sec_dev *sec)