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qla2x00t-32gbit: Force semaphore on flash validation failure

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For single port 28XX adapter, the second core can still run in the
background.  The flash semaphore can be held by the non-active core.
This patch tell MPI FW to check for this case and clear the semaphore
from the non-active core.

Link: https://lore.kernel.org/r/20200226224022.24518-12-hmadhani@marvell.com
Signed-off-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

[ commit cad9c2d28ec69f1d0370b2ba5abe309b0b709be4 upstream ]


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8825 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2020-03-07 21:36:34 +00:00
parent 8b1ff82c99
commit 44ab6ef708
1 changed files with 16 additions and 0 deletions
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16
qla2x00t-32gbit/qla_mbx.c
View File

@@ -666,10 +666,14 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
struct qla_hw_data *ha = vha->hw;
mbx_cmd_t mc;
mbx_cmd_t *mcp = &mc;
u8 semaphore = 0;
#define EXE_FW_FORCE_SEMAPHORE BIT_7
u8 retry = 3;
ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1025,
"Entered %s.\n", __func__);
again:
mcp->mb[0] = MBC_EXECUTE_FIRMWARE;
mcp->out_mb = MBX_0;
mcp->in_mb = MBX_0;
@@ -711,6 +715,9 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
if (ha->flags.exchoffld_enabled)
mcp->mb[4] |= ENABLE_EXCHANGE_OFFLD;
if (semaphore)
mcp->mb[11] |= EXE_FW_FORCE_SEMAPHORE;
mcp->out_mb |= MBX_4 | MBX_3 | MBX_2 | MBX_1 | MBX_11;
mcp->in_mb |= MBX_3 | MBX_2 | MBX_1;
} else {
@@ -727,6 +734,15 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr)
rval = qla2x00_mailbox_command(vha, mcp);
if (rval != QLA_SUCCESS) {
if (IS_QLA28XX(ha) && rval == QLA_COMMAND_ERROR &&
mcp->mb[1] == 0x27 && retry) {
semaphore = 1;
retry--;
ql_dbg(ql_dbg_async, vha, 0x1026,
"Exe FW: force semaphore.\n");
goto again;
}
ql_dbg(ql_dbg_mbx, vha, 0x1026,
"Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]);
return rval;