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Date: Thu, 14 Mar 2013 20:38:57 +0530
From: Vipul Pandya <vipul@...lsio.com>
To: netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
linux-scsi@...r.kernel.org
Cc: davem@...emloft.net, roland@...estorage.com,
JBottomley@...allels.com, dm@...lsio.com,
swise@...ngridcomputing.com, leedom@...lsio.com,
naresh@...lsio.com, divy@...lsio.com, santosh@...lsio.com,
arvindb@...lsio.com, abhishek@...lsio.com, vipul@...lsio.com
Subject: [PATCH v2 net-next 11/22] cxgb4vf: Add support for Chelsio T5 adapter
From: Santosh Rastapur <santosh@...lsio.com>
Signed-off-by: Santosh Rastapur <santosh@...lsio.com>
Signed-off-by: Vipul Pandya <vipul@...lsio.com>
---
v2: Replaced #ifdef with portable interface wmb in ring_tx_db
drivers/net/ethernet/chelsio/cxgb4vf/adapter.h | 1 +
.../net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c | 35 ++++++++++++++++++--
drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 8 +++-
drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h | 24 +++++++++++++
drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c | 14 ++++++--
5 files changed, 73 insertions(+), 9 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
index 68eaa9c..be5c7ef 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/adapter.h
@@ -344,6 +344,7 @@ struct adapter {
unsigned long registered_device_map;
unsigned long open_device_map;
unsigned long flags;
+ enum chip_type chip;
struct adapter_params params;
/* queue and interrupt resources */
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
index 56b46ab..7fcac20 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c
@@ -54,8 +54,8 @@
/*
* Generic information about the driver.
*/
-#define DRV_VERSION "1.0.0"
-#define DRV_DESC "Chelsio T4 Virtual Function (VF) Network Driver"
+#define DRV_VERSION "2.0.0-ko"
+#define DRV_DESC "Chelsio T4/T5 Virtual Function (VF) Network Driver"
/*
* Module Parameters.
@@ -1050,7 +1050,7 @@ static inline unsigned int mk_adap_vers(const struct adapter *adapter)
/*
* Chip version 4, revision 0x3f (cxgb4vf).
*/
- return 4 | (0x3f << 10);
+ return CHELSIO_CHIP_VERSION(adapter->chip) | (0x3f << 10);
}
/*
@@ -2099,6 +2099,15 @@ static int adap_init0(struct adapter *adapter)
return err;
}
+ switch (adapter->pdev->device >> 12) {
+ case CHELSIO_T4:
+ adapter->chip = CHELSIO_CHIP_CODE(CHELSIO_T4, 0);
+ break;
+ case CHELSIO_T5:
+ adapter->chip = CHELSIO_CHIP_CODE(CHELSIO_T5, 0);
+ break;
+ }
+
/*
* Grab basic operational parameters. These will predominantly have
* been set up by the Physical Function Driver or will be hard coded
@@ -2888,6 +2897,26 @@ static struct pci_device_id cxgb4vf_pci_tbl[] = {
CH_DEVICE(0x480a, 0), /* T404-bt */
CH_DEVICE(0x480d, 0), /* T480-cr */
CH_DEVICE(0x480e, 0), /* T440-lp-cr */
+ CH_DEVICE(0x5800, 0), /* T580-dbg */
+ CH_DEVICE(0x5801, 0), /* T520-cr */
+ CH_DEVICE(0x5802, 0), /* T522-cr */
+ CH_DEVICE(0x5803, 0), /* T540-cr */
+ CH_DEVICE(0x5804, 0), /* T520-bch */
+ CH_DEVICE(0x5805, 0), /* T540-bch */
+ CH_DEVICE(0x5806, 0), /* T540-ch */
+ CH_DEVICE(0x5807, 0), /* T520-so */
+ CH_DEVICE(0x5808, 0), /* T520-cx */
+ CH_DEVICE(0x5809, 0), /* T520-bt */
+ CH_DEVICE(0x580a, 0), /* T504-bt */
+ CH_DEVICE(0x580b, 0), /* T520-sr */
+ CH_DEVICE(0x580c, 0), /* T504-bt */
+ CH_DEVICE(0x580d, 0), /* T580-cr */
+ CH_DEVICE(0x580e, 0), /* T540-lp-cr */
+ CH_DEVICE(0x580f, 0), /* Amsterdam */
+ CH_DEVICE(0x5810, 0), /* T580-lp-cr */
+ CH_DEVICE(0x5811, 0), /* T520-lp-cr */
+ CH_DEVICE(0x5812, 0), /* T560-cr */
+ CH_DEVICE(0x5813, 0), /* T580-cr */
{ 0, }
};
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
index 9488032..61dfb2a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c
@@ -528,17 +528,21 @@ static void unmap_rx_buf(struct adapter *adapter, struct sge_fl *fl)
*/
static inline void ring_fl_db(struct adapter *adapter, struct sge_fl *fl)
{
+ u32 val;
+
/*
* The SGE keeps track of its Producer and Consumer Indices in terms
* of Egress Queue Units so we can only tell it about integral numbers
* of multiples of Free List Entries per Egress Queue Units ...
*/
if (fl->pend_cred >= FL_PER_EQ_UNIT) {
+ val = PIDX(fl->pend_cred / FL_PER_EQ_UNIT);
+ if (!is_t4(adapter->chip))
+ val |= DBTYPE(1);
wmb();
t4_write_reg(adapter, T4VF_SGE_BASE_ADDR + SGE_VF_KDOORBELL,
DBPRIO(1) |
- QID(fl->cntxt_id) |
- PIDX(fl->pend_cred / FL_PER_EQ_UNIT));
+ QID(fl->cntxt_id) | val);
fl->pend_cred %= FL_PER_EQ_UNIT;
}
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
index 283f9d0..53cbfed 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h
@@ -38,6 +38,25 @@
#include "../cxgb4/t4fw_api.h"
+#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
+#define CHELSIO_CHIP_VERSION(code) ((code) >> 4)
+#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)
+
+#define CHELSIO_T4 0x4
+#define CHELSIO_T5 0x5
+
+enum chip_type {
+ T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 0),
+ T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
+ T4_A3 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
+ T4_FIRST_REV = T4_A1,
+ T4_LAST_REV = T4_A3,
+
+ T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
+ T5_FIRST_REV = T5_A1,
+ T5_LAST_REV = T5_A1,
+};
+
/*
* The "len16" field of a Firmware Command Structure ...
*/
@@ -232,6 +251,11 @@ static inline int t4vf_wr_mbox_ns(struct adapter *adapter, const void *cmd,
return t4vf_wr_mbox_core(adapter, cmd, size, rpl, false);
}
+static inline int is_t4(enum chip_type chip)
+{
+ return (chip >= T4_FIRST_REV && chip <= T4_LAST_REV);
+}
+
int t4vf_wait_dev_ready(struct adapter *);
int t4vf_port_init(struct adapter *, int);
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
index 7127c7b..9f96dc3 100644
--- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c
@@ -1027,8 +1027,11 @@ int t4vf_alloc_mac_filt(struct adapter *adapter, unsigned int viid, bool free,
unsigned nfilters = 0;
unsigned int rem = naddr;
struct fw_vi_mac_cmd cmd, rpl;
+ unsigned int max_naddr = is_t4(adapter->chip) ?
+ NUM_MPS_CLS_SRAM_L_INSTANCES :
+ NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
- if (naddr > FW_CLS_TCAM_NUM_ENTRIES)
+ if (naddr > max_naddr)
return -EINVAL;
for (offset = 0; offset < naddr; /**/) {
@@ -1069,10 +1072,10 @@ int t4vf_alloc_mac_filt(struct adapter *adapter, unsigned int viid, bool free,
if (idx)
idx[offset+i] =
- (index >= FW_CLS_TCAM_NUM_ENTRIES
+ (index >= max_naddr
? 0xffff
: index);
- if (index < FW_CLS_TCAM_NUM_ENTRIES)
+ if (index < max_naddr)
nfilters++;
else if (hash)
*hash |= (1ULL << hash_mac_addr(addr[offset+i]));
@@ -1118,6 +1121,9 @@ int t4vf_change_mac(struct adapter *adapter, unsigned int viid,
struct fw_vi_mac_exact *p = &cmd.u.exact[0];
size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd,
u.exact[1]), 16);
+ unsigned int max_naddr = is_t4(adapter->chip) ?
+ NUM_MPS_CLS_SRAM_L_INSTANCES :
+ NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
/*
* If this is a new allocation, determine whether it should be
@@ -1140,7 +1146,7 @@ int t4vf_change_mac(struct adapter *adapter, unsigned int viid,
if (ret == 0) {
p = &rpl.u.exact[0];
ret = FW_VI_MAC_CMD_IDX_GET(be16_to_cpu(p->valid_to_idx));
- if (ret >= FW_CLS_TCAM_NUM_ENTRIES)
+ if (ret >= max_naddr)
ret = -ENOMEM;
}
return ret;
--
1.7.1
--
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