From: Varun Prakash varun@chelsio.com
[ Upstream commit 68bdc630721c40e908d22cffe07b5ca225a69f6e ]
- use be32_to_cpu() instead of ntohs() for 32 bit port capabilities.
- add a new function fwcaps32_to_caps16() to convert 32 bit port capabilities to 16 bit port capabilities.
Signed-off-by: Varun Prakash varun@chelsio.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- drivers/scsi/csiostor/csio_hw.c | 55 ++++++++++++++++++++++++++------- drivers/scsi/csiostor/csio_hw.h | 1 + drivers/scsi/csiostor/csio_mb.c | 6 ++-- 3 files changed, 48 insertions(+), 14 deletions(-)
diff --git a/drivers/scsi/csiostor/csio_hw.c b/drivers/scsi/csiostor/csio_hw.c index 1ee255a62f1b..e4baf04ec5ea 100644 --- a/drivers/scsi/csiostor/csio_hw.c +++ b/drivers/scsi/csiostor/csio_hw.c @@ -1512,6 +1512,46 @@ fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16) return caps32; }
+/** + * fwcaps32_to_caps16 - convert 32-bit Port Capabilities to 16-bits + * @caps32: a 32-bit Port Capabilities value + * + * Returns the equivalent 16-bit Port Capabilities value. Note that + * not all 32-bit Port Capabilities can be represented in the 16-bit + * Port Capabilities and some fields/values may not make it. + */ +fw_port_cap16_t fwcaps32_to_caps16(fw_port_cap32_t caps32) +{ + fw_port_cap16_t caps16 = 0; + + #define CAP32_TO_CAP16(__cap) \ + do { \ + if (caps32 & FW_PORT_CAP32_##__cap) \ + caps16 |= FW_PORT_CAP_##__cap; \ + } while (0) + + CAP32_TO_CAP16(SPEED_100M); + CAP32_TO_CAP16(SPEED_1G); + CAP32_TO_CAP16(SPEED_10G); + CAP32_TO_CAP16(SPEED_25G); + CAP32_TO_CAP16(SPEED_40G); + CAP32_TO_CAP16(SPEED_100G); + CAP32_TO_CAP16(FC_RX); + CAP32_TO_CAP16(FC_TX); + CAP32_TO_CAP16(802_3_PAUSE); + CAP32_TO_CAP16(802_3_ASM_DIR); + CAP32_TO_CAP16(ANEG); + CAP32_TO_CAP16(FORCE_PAUSE); + CAP32_TO_CAP16(MDIAUTO); + CAP32_TO_CAP16(MDISTRAIGHT); + CAP32_TO_CAP16(FEC_RS); + CAP32_TO_CAP16(FEC_BASER_RS); + + #undef CAP32_TO_CAP16 + + return caps16; +} + /** * lstatus_to_fwcap - translate old lstatus to 32-bit Port Capabilities * @lstatus: old FW_PORT_ACTION_GET_PORT_INFO lstatus value @@ -1670,7 +1710,7 @@ csio_enable_ports(struct csio_hw *hw) val = 1;
csio_mb_params(hw, mbp, CSIO_MB_DEFAULT_TMO, - hw->pfn, 0, 1, ¶m, &val, false, + hw->pfn, 0, 1, ¶m, &val, true, NULL);
if (csio_mb_issue(hw, mbp)) { @@ -1680,16 +1720,9 @@ csio_enable_ports(struct csio_hw *hw) return -EINVAL; }
- csio_mb_process_read_params_rsp(hw, mbp, &retval, 1, - &val); - if (retval != FW_SUCCESS) { - csio_err(hw, "FW_PARAMS_CMD(r) port:%d failed: 0x%x\n", - portid, retval); - mempool_free(mbp, hw->mb_mempool); - return -EINVAL; - } - - fw_caps = val; + csio_mb_process_read_params_rsp(hw, mbp, &retval, + 0, NULL); + fw_caps = retval ? FW_CAPS16 : FW_CAPS32; }
/* Read PORT information */ diff --git a/drivers/scsi/csiostor/csio_hw.h b/drivers/scsi/csiostor/csio_hw.h index 9e73ef771eb7..e351af6e7c81 100644 --- a/drivers/scsi/csiostor/csio_hw.h +++ b/drivers/scsi/csiostor/csio_hw.h @@ -639,6 +639,7 @@ int csio_handle_intr_status(struct csio_hw *, unsigned int,
fw_port_cap32_t fwcap_to_fwspeed(fw_port_cap32_t acaps); fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16); +fw_port_cap16_t fwcaps32_to_caps16(fw_port_cap32_t caps32); fw_port_cap32_t lstatus_to_fwcap(u32 lstatus);
int csio_hw_start(struct csio_hw *); diff --git a/drivers/scsi/csiostor/csio_mb.c b/drivers/scsi/csiostor/csio_mb.c index c026417269c3..6f13673d6aa0 100644 --- a/drivers/scsi/csiostor/csio_mb.c +++ b/drivers/scsi/csiostor/csio_mb.c @@ -368,7 +368,7 @@ csio_mb_port(struct csio_hw *hw, struct csio_mb *mbp, uint32_t tmo, FW_CMD_LEN16_V(sizeof(*cmdp) / 16));
if (fw_caps == FW_CAPS16) - cmdp->u.l1cfg.rcap = cpu_to_be32(fc); + cmdp->u.l1cfg.rcap = cpu_to_be32(fwcaps32_to_caps16(fc)); else cmdp->u.l1cfg32.rcap32 = cpu_to_be32(fc); } @@ -395,8 +395,8 @@ csio_mb_process_read_port_rsp(struct csio_hw *hw, struct csio_mb *mbp, *pcaps = fwcaps16_to_caps32(ntohs(rsp->u.info.pcap)); *acaps = fwcaps16_to_caps32(ntohs(rsp->u.info.acap)); } else { - *pcaps = ntohs(rsp->u.info32.pcaps32); - *acaps = ntohs(rsp->u.info32.acaps32); + *pcaps = be32_to_cpu(rsp->u.info32.pcaps32); + *acaps = be32_to_cpu(rsp->u.info32.acaps32); } } }