AuxXxilium/linux_dsm_epyc7002
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qed: No need to reset SBs on IOV init

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Since we're resetting the IGU CAM each time we initialize the PF
device, there's no need to reset the VF SBs again when initializing
IOV.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Mintz, Yuval 2017-06-01 15:29:11 +03:00 committed by David S. Miller
parent ebbdcc669c
commit 1ee240e31d
3 changed files with 4 additions and 33 deletions
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2
drivers/net/ethernet/qlogic/qed/qed_dev.c
View File

@ -1030,7 +1030,7 @@ void qed_resc_setup(struct qed_dev *cdev)
qed_int_setup(p_hwfn, p_hwfn->p_main_ptt);
qed_iov_setup(p_hwfn, p_hwfn->p_main_ptt);
qed_iov_setup(p_hwfn);
#ifdef CONFIG_QED_LL2
if (p_hwfn->using_ll2)
qed_ll2_setup(p_hwfn);

30
drivers/net/ethernet/qlogic/qed/qed_sriov.c
View File

@ -378,33 +378,6 @@ static int qed_iov_pci_cfg_info(struct qed_dev *cdev)
return 0;
}
static void qed_iov_clear_vf_igu_blocks(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt)
{
struct qed_igu_block *p_sb;
u16 sb_id;
u32 val;
if (!p_hwfn->hw_info.p_igu_info) {
DP_ERR(p_hwfn,
"qed_iov_clear_vf_igu_blocks IGU Info not initialized\n");
return;
}
for (sb_id = 0; sb_id < QED_MAPPING_MEMORY_SIZE(p_hwfn->cdev);
sb_id++) {
p_sb = &p_hwfn->hw_info.p_igu_info->entry[sb_id];
if ((p_sb->status & QED_IGU_STATUS_FREE) &&
!(p_sb->status & QED_IGU_STATUS_PF)) {
val = qed_rd(p_hwfn, p_ptt,
IGU_REG_MAPPING_MEMORY + sb_id * 4);
SET_FIELD(val, IGU_MAPPING_LINE_VALID, 0);
qed_wr(p_hwfn, p_ptt,
IGU_REG_MAPPING_MEMORY + 4 * sb_id, val);
}
}
}
static void qed_iov_setup_vfdb(struct qed_hwfn *p_hwfn)
{
struct qed_hw_sriov_info *p_iov = p_hwfn->cdev->p_iov_info;
@ -555,13 +528,12 @@ int qed_iov_alloc(struct qed_hwfn *p_hwfn)
return qed_iov_allocate_vfdb(p_hwfn);
}
void qed_iov_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
void qed_iov_setup(struct qed_hwfn *p_hwfn)
{
if (!IS_PF_SRIOV(p_hwfn) || !IS_PF_SRIOV_ALLOC(p_hwfn))
return;
qed_iov_setup_vfdb(p_hwfn);
qed_iov_clear_vf_igu_blocks(p_hwfn, p_ptt);
}
void qed_iov_free(struct qed_hwfn *p_hwfn)

5
drivers/net/ethernet/qlogic/qed/qed_sriov.h
View File

@ -316,9 +316,8 @@ int qed_iov_alloc(struct qed_hwfn *p_hwfn);
* @brief qed_iov_setup - setup sriov related resources
*
* @param p_hwfn
* @param p_ptt
*/
void qed_iov_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
void qed_iov_setup(struct qed_hwfn *p_hwfn);
/**
* @brief qed_iov_free - free sriov related resources
@ -397,7 +396,7 @@ static inline int qed_iov_alloc(struct qed_hwfn *p_hwfn)
return 0;
}
static inline void qed_iov_setup(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
static inline void qed_iov_setup(struct qed_hwfn *p_hwfn)
{
}