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authorShukun Tan <tanshukun1@huawei.com>2020-04-02 08:53:02 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2020-04-16 08:49:20 +0200
commitcd1b7ae3435cc428579615241adeee36d217320c (patch)
tree6846f943acec56d2d55651a4c6443b1c9eef84f4 /drivers/crypto/hisilicon/hpre/hpre_main.c
parentcrypto: hisilicon - put vfs_num into struct hisi_qm (diff)
downloadlinux-cd1b7ae3435cc428579615241adeee36d217320c.tar.xz
linux-cd1b7ae3435cc428579615241adeee36d217320c.zip
crypto: hisilicon - unify SR-IOV related codes into QM
Clean the duplicate SR-IOV related codes, put all into qm.c. Signed-off-by: Shukun Tan <tanshukun1@huawei.com> Reviewed-by: Zhou Wang <wangzhou1@hisilicon.com> Reviewed-by: Zaibo Xu <xuzaibo@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/hisilicon/hpre/hpre_main.c')
-rw-r--r--drivers/crypto/hisilicon/hpre/hpre_main.c105
1 files changed, 2 insertions, 103 deletions
diff --git a/drivers/crypto/hisilicon/hpre/hpre_main.c b/drivers/crypto/hisilicon/hpre/hpre_main.c
index 5269e5b9be73..4e41d308f0a9 100644
--- a/drivers/crypto/hisilicon/hpre/hpre_main.c
+++ b/drivers/crypto/hisilicon/hpre/hpre_main.c
@@ -792,107 +792,6 @@ err_with_qm_init:
return ret;
}
-static int hpre_vf_q_assign(struct hpre *hpre, int num_vfs)
-{
- struct hisi_qm *qm = &hpre->qm;
- u32 qp_num = qm->qp_num;
- int q_num, remain_q_num, i;
- u32 q_base = qp_num;
- int ret;
-
- if (!num_vfs)
- return -EINVAL;
-
- remain_q_num = qm->ctrl_qp_num - qp_num;
-
- /* If remaining queues are not enough, return error. */
- if (remain_q_num < num_vfs)
- return -EINVAL;
-
- q_num = remain_q_num / num_vfs;
- for (i = 1; i <= num_vfs; i++) {
- if (i == num_vfs)
- q_num += remain_q_num % num_vfs;
- ret = hisi_qm_set_vft(qm, i, q_base, (u32)q_num);
- if (ret)
- return ret;
- q_base += q_num;
- }
-
- return 0;
-}
-
-static int hpre_clear_vft_config(struct hpre *hpre)
-{
- struct hisi_qm *qm = &hpre->qm;
- u32 num_vfs = qm->vfs_num;
- int ret;
- u32 i;
-
- for (i = 1; i <= num_vfs; i++) {
- ret = hisi_qm_set_vft(qm, i, 0, 0);
- if (ret)
- return ret;
- }
- qm->vfs_num = 0;
-
- return 0;
-}
-
-static int hpre_sriov_enable(struct pci_dev *pdev, int max_vfs)
-{
- struct hpre *hpre = pci_get_drvdata(pdev);
- int pre_existing_vfs, num_vfs, ret;
-
- pre_existing_vfs = pci_num_vf(pdev);
- if (pre_existing_vfs) {
- pci_err(pdev,
- "Can't enable VF. Please disable pre-enabled VFs!\n");
- return 0;
- }
-
- num_vfs = min_t(int, max_vfs, HPRE_VF_NUM);
- ret = hpre_vf_q_assign(hpre, num_vfs);
- if (ret) {
- pci_err(pdev, "Can't assign queues for VF!\n");
- return ret;
- }
-
- hpre->qm.vfs_num = num_vfs;
-
- ret = pci_enable_sriov(pdev, num_vfs);
- if (ret) {
- pci_err(pdev, "Can't enable VF!\n");
- hpre_clear_vft_config(hpre);
- return ret;
- }
-
- return num_vfs;
-}
-
-static int hpre_sriov_disable(struct pci_dev *pdev)
-{
- struct hpre *hpre = pci_get_drvdata(pdev);
-
- if (pci_vfs_assigned(pdev)) {
- pci_err(pdev, "Failed to disable VFs while VFs are assigned!\n");
- return -EPERM;
- }
-
- /* remove in hpre_pci_driver will be called to free VF resources */
- pci_disable_sriov(pdev);
-
- return hpre_clear_vft_config(hpre);
-}
-
-static int hpre_sriov_configure(struct pci_dev *pdev, int num_vfs)
-{
- if (num_vfs)
- return hpre_sriov_enable(pdev, num_vfs);
- else
- return hpre_sriov_disable(pdev);
-}
-
static void hpre_remove(struct pci_dev *pdev)
{
struct hpre *hpre = pci_get_drvdata(pdev);
@@ -902,7 +801,7 @@ static void hpre_remove(struct pci_dev *pdev)
hpre_algs_unregister();
hisi_qm_del_from_list(qm, &hpre_devices);
if (qm->fun_type == QM_HW_PF && qm->vfs_num) {
- ret = hpre_sriov_disable(pdev);
+ ret = hisi_qm_sriov_disable(pdev);
if (ret) {
pci_err(pdev, "Disable SRIOV fail!\n");
return;
@@ -929,7 +828,7 @@ static struct pci_driver hpre_pci_driver = {
.id_table = hpre_dev_ids,
.probe = hpre_probe,
.remove = hpre_remove,
- .sriov_configure = hpre_sriov_configure,
+ .sriov_configure = hisi_qm_sriov_configure,
.err_handler = &hpre_err_handler,
};