d/numam-dpdk
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

vdpa/ifc/base: access block device registers

Browse Source 
Register address is different between net and blk device.
We are re-using most of the code, when register address is
different, we have to check net and blk device go through
different code.

Signed-off-by: Andy Pei <andy.pei@intel.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
This commit is contained in:
Andy Pei 2022-05-24 10:48:17 +08:00 committed by Maxime Coquelin
parent 65575dadc7
commit 5d75517bef
1 changed files with 27 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/vdpa/ifc/base/ifcvf.c
View File

@ -218,10 +218,17 @@ ifcvf_hw_enable(struct ifcvf_hw *hw)
&cfg->queue_used_hi);
IFCVF_WRITE_REG16(hw->vring[i].size, &cfg->queue_size);
*(u32 *)(lm_cfg + IFCVF_LM_RING_STATE_OFFSET +
(i / 2) * IFCVF_LM_CFG_SIZE + (i % 2) * 4) =
(u32)hw->vring[i].last_avail_idx |
((u32)hw->vring[i].last_used_idx << 16);
if (hw->device_type == IFCVF_BLK)
*(u32 *)(lm_cfg + IFCVF_LM_RING_STATE_OFFSET +
i * IFCVF_LM_CFG_SIZE) =
(u32)hw->vring[i].last_avail_idx |
((u32)hw->vring[i].last_used_idx << 16);
else
*(u32 *)(lm_cfg + IFCVF_LM_RING_STATE_OFFSET +
(i / 2) * IFCVF_LM_CFG_SIZE +
(i % 2) * 4) =
(u32)hw->vring[i].last_avail_idx |
((u32)hw->vring[i].last_used_idx << 16);
IFCVF_WRITE_REG16(i + 1, &cfg->queue_msix_vector);
if (IFCVF_READ_REG16(&cfg->queue_msix_vector) ==
@ -254,9 +261,22 @@ ifcvf_hw_disable(struct ifcvf_hw *hw)
IFCVF_WRITE_REG16(i, &cfg->queue_select);
IFCVF_WRITE_REG16(0, &cfg->queue_enable);
IFCVF_WRITE_REG16(IFCVF_MSI_NO_VECTOR, &cfg->queue_msix_vector);
ring_state = *(u32 *)(hw->lm_cfg + IFCVF_LM_RING_STATE_OFFSET +
(i / 2) * IFCVF_LM_CFG_SIZE + (i % 2) * 4);
hw->vring[i].last_avail_idx = (u16)(ring_state >> 16);
if (hw->device_type == IFCVF_BLK)
ring_state = *(u32 *)(hw->lm_cfg +
IFCVF_LM_RING_STATE_OFFSET +
i * IFCVF_LM_CFG_SIZE);
else
ring_state = *(u32 *)(hw->lm_cfg +
IFCVF_LM_RING_STATE_OFFSET +
(i / 2) * IFCVF_LM_CFG_SIZE +
(i % 2) * 4);
if (hw->device_type == IFCVF_BLK)
hw->vring[i].last_avail_idx =
(u16)(ring_state & IFCVF_16_BIT_MASK);
else
hw->vring[i].last_avail_idx = (u16)(ring_state >> 16);
hw->vring[i].last_used_idx = (u16)(ring_state >> 16);
}
}