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qed: No need to reset SBs on IOV init

Browse source 
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)
{
}