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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/zip/zip_main.c
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@@ -1107,11 +1107,15 @@ static u32 hisi_zip_get_hw_err_status(struct hisi_qm *qm)
static void hisi_zip_clear_hw_err_status(struct hisi_qm *qm, u32 err_sts)
{
u32 nfe;
writel(err_sts, qm->io_base + HZIP_CORE_INT_SOURCE);
nfe = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver);
writel(nfe, qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB);
}
static void hisi_zip_disable_error_report(struct hisi_qm *qm, u32 err_type)
{
u32 nfe_mask;
nfe_mask = hisi_qm_get_hw_info(qm, zip_basic_cap_info, ZIP_NFE_MASK_CAP, qm->cap_ver);
writel(nfe_mask & (~err_type), qm->io_base + HZIP_CORE_INT_RAS_NFE_ENB);
}
static void hisi_zip_open_axi_master_ooo(struct hisi_qm *qm)
@@ -1141,6 +1145,27 @@ static void hisi_zip_close_axi_master_ooo(struct hisi_qm *qm)
qm->io_base + HZIP_CORE_INT_SET);
}
static enum acc_err_result hisi_zip_get_err_result(struct hisi_qm *qm)
{
u32 err_status;
err_status = hisi_zip_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;
hisi_zip_log_hw_error(qm, err_status);
if (err_status & qm->err_info.dev_reset_mask) {
/* Disable the same error reporting until device is recovered. */
hisi_zip_disable_error_report(qm, err_status);
return ACC_ERR_NEED_RESET;
}
hisi_zip_clear_hw_err_status(qm, err_status);
}
return ACC_ERR_RECOVERED;
}
static void hisi_zip_err_info_init(struct hisi_qm *qm)
{
struct hisi_qm_err_info *err_info = &qm->err_info;
@@ -1168,13 +1193,13 @@ static const struct hisi_qm_err_ini hisi_zip_err_ini = {
.hw_err_disable = hisi_zip_hw_error_disable,
.get_dev_hw_err_status = hisi_zip_get_hw_err_status,
.clear_dev_hw_err_status = hisi_zip_clear_hw_err_status,
.log_dev_hw_err = hisi_zip_log_hw_error,
.open_axi_master_ooo = hisi_zip_open_axi_master_ooo,
.close_axi_master_ooo = hisi_zip_close_axi_master_ooo,
.open_sva_prefetch = hisi_zip_open_sva_prefetch,
.close_sva_prefetch = hisi_zip_close_sva_prefetch,
.show_last_dfx_regs = hisi_zip_show_last_dfx_regs,
.err_info_init = hisi_zip_err_info_init,
.get_err_result = hisi_zip_get_err_result,
};
static int hisi_zip_pf_probe_init(struct hisi_zip *hisi_zip)