UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

scsi: pm80xx: Reset PI and CI memory during re-initialization 

Producer index(PI) outbound queue and consumer index(CI) for Outbound queue
are in DMA memory. During resume(), the stale PI and CI Values will lead to
unexpected behavior. These values should be reset to 0 during driver
reinitialization.

Link: https://lore.kernel.org/r/20210415103352.3580-8-Viswas.G@microchip.com
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Viswas G <Viswas.G@microchip.com>
Signed-off-by: Ruksar Devadi <Ruksar.devadi@microchip.com>
Signed-off-by: Ashokkumar N <Ashokkumar.N@microchip.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Viswas G 2021-04-15 16:03:51 +05:30 committed by Martin K. Petersen
parent 4f5deeb40f
commit b431472bc8
2 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/pm8001/pm8001_hwi.c
View File

@ -240,6 +240,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo; pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
pm8001_ha->inbnd_q_tbl[i].ci_virt = pm8001_ha->inbnd_q_tbl[i].ci_virt =
pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr; pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
pm8001_write_32(pm8001_ha->inbnd_q_tbl[i].ci_virt, 0, 0);
offsetib = i * 0x20; offsetib = i * 0x20;
pm8001_ha->inbnd_q_tbl[i].pi_pci_bar = pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
get_pci_bar_index(pm8001_mr32(addressib, get_pci_bar_index(pm8001_mr32(addressib,
@ -268,6 +269,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
0 | (10 << 16) | (i << 24); 0 | (10 << 16) | (i << 24);
pm8001_ha->outbnd_q_tbl[i].pi_virt = pm8001_ha->outbnd_q_tbl[i].pi_virt =
pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr; pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
pm8001_write_32(pm8001_ha->outbnd_q_tbl[i].pi_virt, 0, 0);
offsetob = i * 0x24; offsetob = i * 0x24;
pm8001_ha->outbnd_q_tbl[i].ci_pci_bar = pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
get_pci_bar_index(pm8001_mr32(addressob, get_pci_bar_index(pm8001_mr32(addressob,

2
drivers/scsi/pm8001/pm80xx_hwi.c
View File

@ -787,6 +787,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo; pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
pm8001_ha->inbnd_q_tbl[i].ci_virt = pm8001_ha->inbnd_q_tbl[i].ci_virt =
pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr; pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
pm8001_write_32(pm8001_ha->inbnd_q_tbl[i].ci_virt, 0, 0);
offsetib = i * 0x20; offsetib = i * 0x20;
pm8001_ha->inbnd_q_tbl[i].pi_pci_bar = pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
get_pci_bar_index(pm8001_mr32(addressib, get_pci_bar_index(pm8001_mr32(addressib,
@ -820,6 +821,7 @@ static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24); pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
pm8001_ha->outbnd_q_tbl[i].pi_virt = pm8001_ha->outbnd_q_tbl[i].pi_virt =
pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr; pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
pm8001_write_32(pm8001_ha->outbnd_q_tbl[i].pi_virt, 0, 0);
offsetob = i * 0x24; offsetob = i * 0x24;
pm8001_ha->outbnd_q_tbl[i].ci_pci_bar = pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
get_pci_bar_index(pm8001_mr32(addressob, get_pci_bar_index(pm8001_mr32(addressob,