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qlcnic: check IDC version

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Warn user if IDC version mismatch with different class of drivers.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sucheta Chakraborty 2010-05-13 03:07:47 +00:00 committed by David S. Miller
parent 251a84c927
commit 96f8118c25
2 changed files with 19 additions and 2 deletions
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1
drivers/net/qlcnic/qlcnic.h
View File

@ -53,6 +53,7 @@
#define _QLCNIC_LINUX_MINOR 0
#define _QLCNIC_LINUX_SUBVERSION 2
#define QLCNIC_LINUX_VERSIONID "5.0.2"
#define QLCNIC_DRV_IDC_VER 0x01
#define QLCNIC_VERSION_CODE(a, b, c) (((a) << 24) + ((b) << 16) + (c))
#define _major(v) (((v) >> 24) & 0xff)

20
drivers/net/qlcnic/qlcnic_main.c
View File

@ -1975,12 +1975,25 @@ qlcnic_check_drv_state(struct qlcnic_adapter *adapter)
return 1;
}
static int qlcnic_check_idc_ver(struct qlcnic_adapter *adapter)
{
u32 val = QLCRD32(adapter, QLCNIC_CRB_DRV_IDC_VER);
if (val != QLCNIC_DRV_IDC_VER) {
dev_warn(&adapter->pdev->dev, "IDC Version mismatch, driver's"
" idc ver = %x; reqd = %x\n", QLCNIC_DRV_IDC_VER, val);
}
return 0;
}
static int
qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
{
u32 val, prev_state;
u8 dev_init_timeo = adapter->dev_init_timeo;
u8 portnum = adapter->portnum;
u8 ret;
if (test_and_clear_bit(__QLCNIC_START_FW, &adapter->state))
return 1;
@ -2000,12 +2013,14 @@ qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
switch (prev_state) {
case QLCNIC_DEV_COLD:
QLCWR32(adapter, QLCNIC_CRB_DEV_STATE, QLCNIC_DEV_INITIALIZING);
QLCWR32(adapter, QLCNIC_CRB_DRV_IDC_VER, QLCNIC_DRV_IDC_VER);
qlcnic_api_unlock(adapter);
return 1;
case QLCNIC_DEV_READY:
ret = qlcnic_check_idc_ver(adapter);
qlcnic_api_unlock(adapter);
return 0;
return ret;
case QLCNIC_DEV_NEED_RESET:
val = QLCRD32(adapter, QLCNIC_CRB_DRV_STATE);
@ -2048,9 +2063,10 @@ qlcnic_can_start_firmware(struct qlcnic_adapter *adapter)
QLC_DEV_CLR_RST_QSCNT(val, portnum);
QLCWR32(adapter, QLCNIC_CRB_DRV_STATE, val);
ret = qlcnic_check_idc_ver(adapter);
qlcnic_api_unlock(adapter);
return 0;
return ret;
}
static void