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-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/Makefile2
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c86
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4.h23
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c10
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c24
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c6
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c279
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c3
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h6
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/sched.h4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/srq.c138
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/srq.h65
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c194
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_msg.h71
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h61
15 files changed, 871 insertions, 101 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/Makefile b/drivers/net/ethernet/chelsio/cxgb4/Makefile
index 53b6a02c778e..bea6a059a8f1 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/Makefile
+++ b/drivers/net/ethernet/chelsio/cxgb4/Makefile
@@ -6,7 +6,7 @@
obj-$(CONFIG_CHELSIO_T4) += cxgb4.o
cxgb4-objs := cxgb4_main.o l2t.o smt.o t4_hw.o sge.o clip_tbl.o cxgb4_ethtool.o \
- cxgb4_uld.o sched.o cxgb4_filter.o cxgb4_tc_u32.o \
+ cxgb4_uld.o srq.o sched.o cxgb4_filter.o cxgb4_tc_u32.o \
cxgb4_ptp.o cxgb4_tc_flower.o cxgb4_cudbg.o \
cudbg_common.o cudbg_lib.o cudbg_zlib.o
cxgb4-$(CONFIG_CHELSIO_T4_DCB) += cxgb4_dcb.o
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
index 00a1d2d13169..9da6f57901a9 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cudbg_lib.c
@@ -878,6 +878,86 @@ static int cudbg_get_payload_range(struct adapter *padap, u8 mem_type,
&payload->start, &payload->end);
}
+static int cudbg_memory_read(struct cudbg_init *pdbg_init, int win,
+ int mtype, u32 addr, u32 len, void *hbuf)
+{
+ u32 win_pf, memoffset, mem_aperture, mem_base;
+ struct adapter *adap = pdbg_init->adap;
+ u32 pos, offset, resid;
+ u32 *res_buf;
+ u64 *buf;
+ int ret;
+
+ /* Argument sanity checks ...
+ */
+ if (addr & 0x3 || (uintptr_t)hbuf & 0x3)
+ return -EINVAL;
+
+ buf = (u64 *)hbuf;
+
+ /* Try to do 64-bit reads. Residual will be handled later. */
+ resid = len & 0x7;
+ len -= resid;
+
+ ret = t4_memory_rw_init(adap, win, mtype, &memoffset, &mem_base,
+ &mem_aperture);
+ if (ret)
+ return ret;
+
+ addr = addr + memoffset;
+ win_pf = is_t4(adap->params.chip) ? 0 : PFNUM_V(adap->pf);
+
+ pos = addr & ~(mem_aperture - 1);
+ offset = addr - pos;
+
+ /* Set up initial PCI-E Memory Window to cover the start of our
+ * transfer.
+ */
+ t4_memory_update_win(adap, win, pos | win_pf);
+
+ /* Transfer data from the adapter */
+ while (len > 0) {
+ *buf++ = le64_to_cpu((__force __le64)
+ t4_read_reg64(adap, mem_base + offset));
+ offset += sizeof(u64);
+ len -= sizeof(u64);
+
+ /* If we've reached the end of our current window aperture,
+ * move the PCI-E Memory Window on to the next.
+ */
+ if (offset == mem_aperture) {
+ pos += mem_aperture;
+ offset = 0;
+ t4_memory_update_win(adap, win, pos | win_pf);
+ }
+ }
+
+ res_buf = (u32 *)buf;
+ /* Read residual in 32-bit multiples */
+ while (resid > sizeof(u32)) {
+ *res_buf++ = le32_to_cpu((__force __le32)
+ t4_read_reg(adap, mem_base + offset));
+ offset += sizeof(u32);
+ resid -= sizeof(u32);
+
+ /* If we've reached the end of our current window aperture,
+ * move the PCI-E Memory Window on to the next.
+ */
+ if (offset == mem_aperture) {
+ pos += mem_aperture;
+ offset = 0;
+ t4_memory_update_win(adap, win, pos | win_pf);
+ }
+ }
+
+ /* Transfer residual < 32-bits */
+ if (resid)
+ t4_memory_rw_residual(adap, resid, mem_base + offset,
+ (u8 *)res_buf, T4_MEMORY_READ);
+
+ return 0;
+}
+
#define CUDBG_YIELD_ITERATION 256
static int cudbg_read_fw_mem(struct cudbg_init *pdbg_init,
@@ -937,10 +1017,8 @@ static int cudbg_read_fw_mem(struct cudbg_init *pdbg_init,
goto skip_read;
spin_lock(&padap->win0_lock);
- rc = t4_memory_rw(padap, MEMWIN_NIC, mem_type,
- bytes_read, bytes,
- (__be32 *)temp_buff.data,
- 1);
+ rc = cudbg_memory_read(pdbg_init, MEMWIN_NIC, mem_type,
+ bytes_read, bytes, temp_buff.data);
spin_unlock(&padap->win0_lock);
if (rc) {
cudbg_err->sys_err = rc;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 9040e13ce4b7..688f95440af2 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -390,6 +390,8 @@ struct adapter_params {
* used by the Port
*/
u8 mps_bg_map[MAX_NPORTS]; /* MPS Buffer Group Map */
+ bool write_w_imm_support; /* FW supports WRITE_WITH_IMMEDIATE */
+ bool write_cmpl_support; /* FW supports WRITE_CMPL */
};
/* State needed to monitor the forward progress of SGE Ingress DMA activities
@@ -831,6 +833,16 @@ struct vf_info {
u16 vlan;
};
+enum {
+ HMA_DMA_MAPPED_FLAG = 1
+};
+
+struct hma_data {
+ unsigned char flags;
+ struct sg_table *sgt;
+ dma_addr_t *phy_addr; /* physical address of the page */
+};
+
struct mbox_list {
struct list_head list;
};
@@ -907,6 +919,7 @@ struct adapter {
struct work_struct tid_release_task;
struct work_struct db_full_task;
struct work_struct db_drop_task;
+ struct work_struct fatal_err_notify_task;
bool tid_release_task_busy;
/* lock for mailbox cmd list */
@@ -946,6 +959,11 @@ struct adapter {
/* Ethtool Dump */
struct ethtool_dump eth_dump;
+
+ /* HMA */
+ struct hma_data hma;
+
+ struct srq_data *srq;
};
/* Support for "sched-class" command to allow a TX Scheduling Class to be
@@ -1488,6 +1506,11 @@ u32 t4_read_pcie_cfg4(struct adapter *adap, int reg);
u32 t4_get_util_window(struct adapter *adap);
void t4_setup_memwin(struct adapter *adap, u32 memwin_base, u32 window);
+int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
+ u32 *mem_base, u32 *mem_aperture);
+void t4_memory_update_win(struct adapter *adap, int win, u32 addr);
+void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
+ int dir);
#define T4_MEMORY_WRITE 0
#define T4_MEMORY_READ 1
int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr, u32 len,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index 2822bbff73e8..de2ba86eccfd 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -2617,7 +2617,7 @@ int mem_open(struct inode *inode, struct file *file)
file->private_data = inode->i_private;
- mem = (uintptr_t)file->private_data & 0x3;
+ mem = (uintptr_t)file->private_data & 0x7;
adap = file->private_data - mem;
(void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
@@ -2630,7 +2630,7 @@ static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
{
loff_t pos = *ppos;
loff_t avail = file_inode(file)->i_size;
- unsigned int mem = (uintptr_t)file->private_data & 3;
+ unsigned int mem = (uintptr_t)file->private_data & 0x7;
struct adapter *adap = file->private_data - mem;
__be32 *data;
int ret;
@@ -3042,6 +3042,12 @@ int t4_setup_debugfs(struct adapter *adap)
add_debugfs_mem(adap, "mc", MEM_MC,
EXT_MEM_SIZE_G(size));
}
+
+ if (i & HMA_MUX_F) {
+ size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
+ add_debugfs_mem(adap, "hma", MEM_HMA,
+ EXT_MEM1_SIZE_G(size));
+ }
}
de = debugfs_create_file_size("flash", S_IRUSR, adap->debugfs_root, adap,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
index 7852d98bad75..59d04d73c672 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
@@ -597,22 +597,22 @@ static void fw_caps_to_lmm(enum fw_port_type port_type,
case FW_PORT_TYPE_KR:
SET_LMM(Backplane);
- SET_LMM(10000baseKR_Full);
+ FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
break;
case FW_PORT_TYPE_BP_AP:
SET_LMM(Backplane);
- SET_LMM(10000baseR_FEC);
- SET_LMM(10000baseKR_Full);
- SET_LMM(1000baseKX_Full);
+ FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
+ FW_CAPS_TO_LMM(SPEED_10G, 10000baseR_FEC);
+ FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
break;
case FW_PORT_TYPE_BP4_AP:
SET_LMM(Backplane);
- SET_LMM(10000baseR_FEC);
- SET_LMM(10000baseKR_Full);
- SET_LMM(1000baseKX_Full);
- SET_LMM(10000baseKX4_Full);
+ FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
+ FW_CAPS_TO_LMM(SPEED_10G, 10000baseR_FEC);
+ FW_CAPS_TO_LMM(SPEED_10G, 10000baseKR_Full);
+ FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full);
break;
case FW_PORT_TYPE_FIBER_XFI:
@@ -628,7 +628,9 @@ static void fw_caps_to_lmm(enum fw_port_type port_type,
case FW_PORT_TYPE_BP40_BA:
case FW_PORT_TYPE_QSFP:
SET_LMM(FIBRE);
- SET_LMM(40000baseSR4_Full);
+ FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full);
+ FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full);
+ FW_CAPS_TO_LMM(SPEED_40G, 40000baseSR4_Full);
break;
case FW_PORT_TYPE_CR_QSFP:
@@ -655,12 +657,14 @@ static void fw_caps_to_lmm(enum fw_port_type port_type,
case FW_PORT_TYPE_CR2_QSFP:
SET_LMM(FIBRE);
- SET_LMM(50000baseSR2_Full);
+ FW_CAPS_TO_LMM(SPEED_50G, 50000baseSR2_Full);
break;
case FW_PORT_TYPE_KR4_100G:
case FW_PORT_TYPE_CR4_QSFP:
SET_LMM(FIBRE);
+ FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full);
+ FW_CAPS_TO_LMM(SPEED_10G, 10000baseSR_Full);
FW_CAPS_TO_LMM(SPEED_40G, 40000baseSR4_Full);
FW_CAPS_TO_LMM(SPEED_25G, 25000baseCR_Full);
FW_CAPS_TO_LMM(SPEED_50G, 50000baseCR2_Full);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
index 3177b0c9bd2d..db92f1858060 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c
@@ -1335,12 +1335,6 @@ int __cxgb4_set_filter(struct net_device *dev, int filter_id,
return ret;
}
- /* Clear out any old resources being used by the filter before
- * we start constructing the new filter.
- */
- if (f->valid)
- clear_filter(adapter, f);
-
if (is_t6(adapter->params.chip) && fs->type &&
ipv6_addr_type((const struct in6_addr *)fs->val.lip) !=
IPV6_ADDR_ANY) {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 61022b5f6743..e880be8e3c45 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -75,6 +75,7 @@
#include "t4fw_api.h"
#include "t4fw_version.h"
#include "cxgb4_dcb.h"
+#include "srq.h"
#include "cxgb4_debugfs.h"
#include "clip_tbl.h"
#include "l2t.h"
@@ -210,6 +211,9 @@ static void link_report(struct net_device *dev)
case 40000:
s = "40Gbps";
break;
+ case 50000:
+ s = "50Gbps";
+ break;
case 100000:
s = "100Gbps";
break;
@@ -583,6 +587,10 @@ static int fwevtq_handler(struct sge_rspq *q, const __be64 *rsp,
const struct cpl_abort_rpl_rss *p = (void *)rsp;
hash_del_filter_rpl(q->adap, p);
+ } else if (opcode == CPL_SRQ_TABLE_RPL) {
+ const struct cpl_srq_table_rpl *p = (void *)rsp;
+
+ do_srq_table_rpl(q->adap, p);
} else
dev_err(q->adap->pdev_dev,
"unexpected CPL %#x on FW event queue\n", opcode);
@@ -1733,10 +1741,11 @@ EXPORT_SYMBOL(cxgb4_sync_txq_pidx);
int cxgb4_read_tpte(struct net_device *dev, u32 stag, __be32 *tpte)
{
- struct adapter *adap;
- u32 offset, memtype, memaddr;
u32 edc0_size, edc1_size, mc0_size, mc1_size, size;
u32 edc0_end, edc1_end, mc0_end, mc1_end;
+ u32 offset, memtype, memaddr;
+ struct adapter *adap;
+ u32 hma_size = 0;
int ret;
adap = netdev2adap(dev);
@@ -1756,6 +1765,10 @@ int cxgb4_read_tpte(struct net_device *dev, u32 stag, __be32 *tpte)
size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
mc0_size = EXT_MEM0_SIZE_G(size) << 20;
+ if (t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A) & HMA_MUX_F) {
+ size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
+ hma_size = EXT_MEM1_SIZE_G(size) << 20;
+ }
edc0_end = edc0_size;
edc1_end = edc0_end + edc1_size;
mc0_end = edc1_end + mc0_size;
@@ -1767,7 +1780,10 @@ int cxgb4_read_tpte(struct net_device *dev, u32 stag, __be32 *tpte)
memtype = MEM_EDC1;
memaddr = offset - edc0_end;
} else {
- if (offset < mc0_end) {
+ if (hma_size && (offset < (edc1_end + hma_size))) {
+ memtype = MEM_HMA;
+ memaddr = offset - edc1_end;
+ } else if (offset < mc0_end) {
memtype = MEM_MC0;
memaddr = offset - edc1_end;
} else if (is_t5(adap->params.chip)) {
@@ -2870,11 +2886,11 @@ static int cxgb_set_tx_maxrate(struct net_device *dev, int index, u32 rate)
/* Convert from Mbps to Kbps */
req_rate = rate << 10;
- /* Max rate is 10 Gbps */
+ /* Max rate is 100 Gbps */
if (req_rate >= SCHED_MAX_RATE_KBPS) {
dev_err(adap->pdev_dev,
- "Invalid rate %u Mbps, Max rate is %u Gbps\n",
- rate, SCHED_MAX_RATE_KBPS);
+ "Invalid rate %u Mbps, Max rate is %u Mbps\n",
+ rate, SCHED_MAX_RATE_KBPS >> 10);
return -ERANGE;
}
@@ -3244,6 +3260,14 @@ static const struct ethtool_ops cxgb4_mgmt_ethtool_ops = {
.get_drvinfo = cxgb4_mgmt_get_drvinfo,
};
+static void notify_fatal_err(struct work_struct *work)
+{
+ struct adapter *adap;
+
+ adap = container_of(work, struct adapter, fatal_err_notify_task);
+ notify_ulds(adap, CXGB4_STATE_FATAL_ERROR);
+}
+
void t4_fatal_err(struct adapter *adap)
{
int port;
@@ -3268,6 +3292,7 @@ void t4_fatal_err(struct adapter *adap)
netif_carrier_off(dev);
}
dev_alert(adap->pdev_dev, "encountered fatal error, adapter stopped\n");
+ queue_work(adap->workq, &adap->fatal_err_notify_task);
}
static void setup_memwin(struct adapter *adap)
@@ -3298,6 +3323,206 @@ static void setup_memwin_rdma(struct adapter *adap)
}
}
+/* HMA Definitions */
+
+/* The maximum number of address that can be send in a single FW cmd */
+#define HMA_MAX_ADDR_IN_CMD 5
+
+#define HMA_PAGE_SIZE PAGE_SIZE
+
+#define HMA_MAX_NO_FW_ADDRESS (16 << 10) /* FW supports 16K addresses */
+
+#define HMA_PAGE_ORDER \
+ ((HMA_PAGE_SIZE < HMA_MAX_NO_FW_ADDRESS) ? \
+ ilog2(HMA_MAX_NO_FW_ADDRESS / HMA_PAGE_SIZE) : 0)
+
+/* The minimum and maximum possible HMA sizes that can be specified in the FW
+ * configuration(in units of MB).
+ */
+#define HMA_MIN_TOTAL_SIZE 1
+#define HMA_MAX_TOTAL_SIZE \
+ (((HMA_PAGE_SIZE << HMA_PAGE_ORDER) * \
+ HMA_MAX_NO_FW_ADDRESS) >> 20)
+
+static void adap_free_hma_mem(struct adapter *adapter)
+{
+ struct scatterlist *iter;
+ struct page *page;
+ int i;
+
+ if (!adapter->hma.sgt)
+ return;
+
+ if (adapter->hma.flags & HMA_DMA_MAPPED_FLAG) {
+ dma_unmap_sg(adapter->pdev_dev, adapter->hma.sgt->sgl,
+ adapter->hma.sgt->nents, PCI_DMA_BIDIRECTIONAL);
+ adapter->hma.flags &= ~HMA_DMA_MAPPED_FLAG;
+ }
+
+ for_each_sg(adapter->hma.sgt->sgl, iter,
+ adapter->hma.sgt->orig_nents, i) {
+ page = sg_page(iter);
+ if (page)
+ __free_pages(page, HMA_PAGE_ORDER);
+ }
+
+ kfree(adapter->hma.phy_addr);
+ sg_free_table(adapter->hma.sgt);
+ kfree(adapter->hma.sgt);
+ adapter->hma.sgt = NULL;
+}
+
+static int adap_config_hma(struct adapter *adapter)
+{
+ struct scatterlist *sgl, *iter;
+ struct sg_table *sgt;
+ struct page *newpage;
+ unsigned int i, j, k;
+ u32 param, hma_size;
+ unsigned int ncmds;
+ size_t page_size;
+ u32 page_order;
+ int node, ret;
+
+ /* HMA is supported only for T6+ cards.
+ * Avoid initializing HMA in kdump kernels.
+ */
+ if (is_kdump_kernel() ||
+ CHELSIO_CHIP_VERSION(adapter->params.chip) < CHELSIO_T6)
+ return 0;
+
+ /* Get the HMA region size required by fw */
+ param = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
+ FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_HMA_SIZE));
+ ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0,
+ 1, &param, &hma_size);
+ /* An error means card has its own memory or HMA is not supported by
+ * the firmware. Return without any errors.
+ */
+ if (ret || !hma_size)
+ return 0;
+
+ if (hma_size < HMA_MIN_TOTAL_SIZE ||
+ hma_size > HMA_MAX_TOTAL_SIZE) {
+ dev_err(adapter->pdev_dev,
+ "HMA size %uMB beyond bounds(%u-%lu)MB\n",
+ hma_size, HMA_MIN_TOTAL_SIZE, HMA_MAX_TOTAL_SIZE);
+ return -EINVAL;
+ }
+
+ page_size = HMA_PAGE_SIZE;
+ page_order = HMA_PAGE_ORDER;
+ adapter->hma.sgt = kzalloc(sizeof(*adapter->hma.sgt), GFP_KERNEL);
+ if (unlikely(!adapter->hma.sgt)) {
+ dev_err(adapter->pdev_dev, "HMA SG table allocation failed\n");
+ return -ENOMEM;
+ }
+ sgt = adapter->hma.sgt;
+ /* FW returned value will be in MB's
+ */
+ sgt->orig_nents = (hma_size << 20) / (page_size << page_order);
+ if (sg_alloc_table(sgt, sgt->orig_nents, GFP_KERNEL)) {
+ dev_err(adapter->pdev_dev, "HMA SGL allocation failed\n");
+ kfree(adapter->hma.sgt);
+ adapter->hma.sgt = NULL;
+ return -ENOMEM;
+ }
+
+ sgl = adapter->hma.sgt->sgl;
+ node = dev_to_node(adapter->pdev_dev);
+ for_each_sg(sgl, iter, sgt->orig_nents, i) {
+ newpage = alloc_pages_node(node, __GFP_NOWARN | GFP_KERNEL,
+ page_order);
+ if (!newpage) {
+ dev_err(adapter->pdev_dev,
+ "Not enough memory for HMA page allocation\n");
+ ret = -ENOMEM;
+ goto free_hma;
+ }
+ sg_set_page(iter, newpage, page_size << page_order, 0);
+ }
+
+ sgt->nents = dma_map_sg(adapter->pdev_dev, sgl, sgt->orig_nents,
+ DMA_BIDIRECTIONAL);
+ if (!sgt->nents) {
+ dev_err(adapter->pdev_dev,
+ "Not enough memory for HMA DMA mapping");
+ ret = -ENOMEM;
+ goto free_hma;
+ }
+ adapter->hma.flags |= HMA_DMA_MAPPED_FLAG;
+
+ adapter->hma.phy_addr = kcalloc(sgt->nents, sizeof(dma_addr_t),
+ GFP_KERNEL);
+ if (unlikely(!adapter->hma.phy_addr))
+ goto free_hma;
+
+ for_each_sg(sgl, iter, sgt->nents, i) {
+ newpage = sg_page(iter);
+ adapter->hma.phy_addr[i] = sg_dma_address(iter);
+ }
+
+ ncmds = DIV_ROUND_UP(sgt->nents, HMA_MAX_ADDR_IN_CMD);
+ /* Pass on the addresses to firmware */
+ for (i = 0, k = 0; i < ncmds; i++, k += HMA_MAX_ADDR_IN_CMD) {
+ struct fw_hma_cmd hma_cmd;
+ u8 naddr = HMA_MAX_ADDR_IN_CMD;
+ u8 soc = 0, eoc = 0;
+ u8 hma_mode = 1; /* Presently we support only Page table mode */
+
+ soc = (i == 0) ? 1 : 0;
+ eoc = (i == ncmds - 1) ? 1 : 0;
+
+ /* For last cmd, set naddr corresponding to remaining
+ * addresses
+ */
+ if (i == ncmds - 1) {
+ naddr = sgt->nents % HMA_MAX_ADDR_IN_CMD;
+ naddr = naddr ? naddr : HMA_MAX_ADDR_IN_CMD;
+ }
+ memset(&hma_cmd, 0, sizeof(hma_cmd));
+ hma_cmd.op_pkd = htonl(FW_CMD_OP_V(FW_HMA_CMD) |
+ FW_CMD_REQUEST_F | FW_CMD_WRITE_F);
+ hma_cmd.retval_len16 = htonl(FW_LEN16(hma_cmd));
+
+ hma_cmd.mode_to_pcie_params =
+ htonl(FW_HMA_CMD_MODE_V(hma_mode) |
+ FW_HMA_CMD_SOC_V(soc) | FW_HMA_CMD_EOC_V(eoc));
+
+ /* HMA cmd size specified in MB's */
+ hma_cmd.naddr_size =
+ htonl(FW_HMA_CMD_SIZE_V(hma_size) |
+ FW_HMA_CMD_NADDR_V(naddr));
+
+ /* Total Page size specified in units of 4K */
+ hma_cmd.addr_size_pkd =
+ htonl(FW_HMA_CMD_ADDR_SIZE_V
+ ((page_size << page_order) >> 12));
+
+ /* Fill the 5 addresses */
+ for (j = 0; j < naddr; j++) {
+ hma_cmd.phy_address[j] =
+ cpu_to_be64(adapter->hma.phy_addr[j + k]);
+ }
+ ret = t4_wr_mbox(adapter, adapter->mbox, &hma_cmd,
+ sizeof(hma_cmd), &hma_cmd);
+ if (ret) {
+ dev_err(adapter->pdev_dev,
+ "HMA FW command failed with err %d\n", ret);
+ goto free_hma;
+ }
+ }
+
+ if (!ret)
+ dev_info(adapter->pdev_dev,
+ "Reserved %uMB host memory for HMA\n", hma_size);
+ return ret;
+
+free_hma:
+ adap_free_hma_mem(adapter);
+ return ret;
+}
+
static int adap_init1(struct adapter *adap, struct fw_caps_config_cmd *c)
{
u32 v;
@@ -3751,6 +3976,12 @@ static int adap_init0_config(struct adapter *adapter, int reset)
if (ret < 0)
goto bye;
+ /* We will proceed even if HMA init fails. */
+ ret = adap_config_hma(adapter);
+ if (ret)
+ dev_err(adapter->pdev_dev,
+ "HMA configuration failed with error %d\n", ret);
+
/*
* And finally tell the firmware to initialize itself using the
* parameters from the Configuration File.
@@ -3957,6 +4188,11 @@ static int adap_init0(struct adapter *adap)
* effect. Otherwise, it's time to try initializing the adapter.
*/
if (state == DEV_STATE_INIT) {
+ ret = adap_config_hma(adap);
+ if (ret)
+ dev_err(adap->pdev_dev,
+ "HMA configuration failed with error %d\n",
+ ret);
dev_info(adap->pdev_dev, "Coming up as %s: "\
"Adapter already initialized\n",
adap->flags & MASTER_PF ? "MASTER" : "SLAVE");
@@ -4236,6 +4472,20 @@ static int adap_init0(struct adapter *adap)
adap->vres.pbl.start = val[4];
adap->vres.pbl.size = val[5] - val[4] + 1;
+ params[0] = FW_PARAM_PFVF(SRQ_START);
+ params[1] = FW_PARAM_PFVF(SRQ_END);
+ ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2,
+ params, val);
+ if (!ret) {
+ adap->vres.srq.start = val[0];
+ adap->vres.srq.size = val[1] - val[0] + 1;
+ }
+ if (adap->vres.srq.size) {
+ adap->srq = t4_init_srq(adap->vres.srq.size);
+ if (!adap->srq)
+ dev_warn(&adap->pdev->dev, "could not allocate SRQ, continuing\n");
+ }
+
params[0] = FW_PARAM_PFVF(SQRQ_START);
params[1] = FW_PARAM_PFVF(SQRQ_END);
params[2] = FW_PARAM_PFVF(CQ_START);
@@ -4269,6 +4519,18 @@ static int adap_init0(struct adapter *adap)
"max_ordird_qp %d max_ird_adapter %d\n",
adap->params.max_ordird_qp,
adap->params.max_ird_adapter);
+
+ /* Enable write_with_immediate if FW supports it */
+ params[0] = FW_PARAM_DEV(RDMA_WRITE_WITH_IMM);
+ ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, params,
+ val);
+ adap->params.write_w_imm_support = (ret == 0 && val[0] != 0);
+
+ /* Enable write_cmpl if FW supports it */
+ params[0] = FW_PARAM_DEV(RI_WRITE_CMPL_WR);
+ ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, params,
+ val);
+ adap->params.write_cmpl_support = (ret == 0 && val[0] != 0);
adap->num_ofld_uld += 2;
}
if (caps_cmd.iscsicaps) {
@@ -4346,6 +4608,7 @@ static int adap_init0(struct adapter *adap)
* happened to HW/FW, stop issuing commands.
*/
bye:
+ adap_free_hma_mem(adap);
kfree(adap->sge.egr_map);
kfree(adap->sge.ingr_map);
kfree(adap->sge.starving_fl);
@@ -4903,6 +5166,7 @@ static void free_some_resources(struct adapter *adapter)
kvfree(adapter->smt);
kvfree(adapter->l2t);
+ kvfree(adapter->srq);
t4_cleanup_sched(adapter);
kvfree(adapter->tids.tid_tab);
cxgb4_cleanup_tc_flower(adapter);
@@ -5257,6 +5521,7 @@ static int init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
INIT_WORK(&adapter->tid_release_task, process_tid_release_list);
INIT_WORK(&adapter->db_full_task, process_db_full);
INIT_WORK(&adapter->db_drop_task, process_db_drop);
+ INIT_WORK(&adapter->fatal_err_notify_task, notify_fatal_err);
err = t4_prep_adapter(adapter);
if (err)
@@ -5574,6 +5839,8 @@ static void remove_one(struct pci_dev *pdev)
t4_uld_clean_up(adapter);
}
+ adap_free_hma_mem(adapter);
+
disable_interrupts(adapter);
for_each_port(adapter, i)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
index 6b5fea4532f3..a95cde0fadf7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.c
@@ -342,6 +342,7 @@ static void free_queues_uld(struct adapter *adap, unsigned int uld_type)
{
struct sge_uld_rxq_info *rxq_info = adap->sge.uld_rxq_info[uld_type];
+ adap->sge.uld_rxq_info[uld_type] = NULL;
kfree(rxq_info->rspq_id);
kfree(rxq_info->uldrxq);
kfree(rxq_info);
@@ -665,6 +666,8 @@ static void uld_init(struct adapter *adap, struct cxgb4_lld_info *lld)
lld->ulptx_memwrite_dsgl = adap->params.ulptx_memwrite_dsgl;
lld->nodeid = dev_to_node(adap->pdev_dev);
lld->fr_nsmr_tpte_wr_support = adap->params.fr_nsmr_tpte_wr_support;
+ lld->write_w_imm_support = adap->params.write_w_imm_support;
+ lld->write_cmpl_support = adap->params.write_cmpl_support;
}
static void uld_attach(struct adapter *adap, unsigned int uld)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index a14e8db51cdc..b0ca06edaa7c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -257,7 +257,8 @@ enum cxgb4_state {
CXGB4_STATE_UP,
CXGB4_STATE_START_RECOVERY,
CXGB4_STATE_DOWN,
- CXGB4_STATE_DETACH
+ CXGB4_STATE_DETACH,
+ CXGB4_STATE_FATAL_ERROR
};
enum cxgb4_control {
@@ -283,6 +284,7 @@ struct cxgb4_virt_res { /* virtualized HW resources */
struct cxgb4_range iscsi;
struct cxgb4_range stag;
struct cxgb4_range rq;
+ struct cxgb4_range srq;
struct cxgb4_range pbl;
struct cxgb4_range qp;
struct cxgb4_range cq;
@@ -352,6 +354,8 @@ struct cxgb4_lld_info {
void **iscsi_ppm; /* iscsi page pod manager */
int nodeid; /* device numa node id */
bool fr_nsmr_tpte_wr_support; /* FW supports FR_NSMR_TPTE_WR */
+ bool write_w_imm_support; /* FW supports WRITE_WITH_IMMEDIATE */
+ bool write_cmpl_support; /* FW supports WRITE_CMPL WR */
};
struct cxgb4_uld_info {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sched.h b/drivers/net/ethernet/chelsio/cxgb4/sched.h
index 77b2b3fd9021..3a49e00a38a1 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sched.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/sched.h
@@ -42,8 +42,8 @@
#define FW_SCHED_CLS_NONE 0xffffffff
-/* Max rate that can be set to a scheduling class is 10 Gbps */
-#define SCHED_MAX_RATE_KBPS 10000000U
+/* Max rate that can be set to a scheduling class is 100 Gbps */
+#define SCHED_MAX_RATE_KBPS 100000000U
enum {
SCHED_STATE_ACTIVE,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/srq.c b/drivers/net/ethernet/chelsio/cxgb4/srq.c
new file mode 100644
index 000000000000..6228a5708307
--- /dev/null
+++ b/drivers/net/ethernet/chelsio/cxgb4/srq.c
@@ -0,0 +1,138 @@
+/*
+ * This file is part of the Chelsio T6 Ethernet driver for Linux.
+ *
+ * Copyright (c) 2017-2018 Chelsio Communications, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include "cxgb4.h"
+#include "t4_msg.h"
+#include "srq.h"
+
+struct srq_data *t4_init_srq(int srq_size)
+{
+ struct srq_data *s;
+
+ s = kvzalloc(sizeof(*s), GFP_KERNEL);
+ if (!s)
+ return NULL;
+
+ s->srq_size = srq_size;
+ init_completion(&s->comp);
+ mutex_init(&s->lock);
+
+ return s;
+}
+
+/* cxgb4_get_srq_entry: read the SRQ table entry
+ * @dev: Pointer to the net_device
+ * @idx: Index to the srq
+ * @entryp: pointer to the srq entry
+ *
+ * Sends CPL_SRQ_TABLE_REQ message for the given index.
+ * Contents will be returned in CPL_SRQ_TABLE_RPL message.
+ *
+ * Returns zero if the read is successful, else a error
+ * number will be returned. Caller should not use the srq
+ * entry if the return value is non-zero.
+ *
+ *
+ */
+int cxgb4_get_srq_entry(struct net_device *dev,
+ int srq_idx, struct srq_entry *entryp)
+{
+ struct cpl_srq_table_req *req;
+ struct adapter *adap;
+ struct sk_buff *skb;
+ struct srq_data *s;
+ int rc = -ENODEV;
+
+ adap = netdev2adap(dev);
+ s = adap->srq;
+
+ if (!(adap->flags & FULL_INIT_DONE) || !s)
+ goto out;
+
+ skb = alloc_skb(sizeof(*req), GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+ req = (struct cpl_srq_table_req *)
+ __skb_put(skb, sizeof(*req));
+ memset(req, 0, sizeof(*req));
+ INIT_TP_WR(req, 0);
+ OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SRQ_TABLE_REQ,
+ TID_TID_V(srq_idx) |
+ TID_QID_V(adap->sge.fw_evtq.abs_id)));
+ req->idx = srq_idx;
+
+ mutex_lock(&s->lock);
+
+ s->entryp = entryp;
+ t4_mgmt_tx(adap, skb);
+
+ rc = wait_for_completion_timeout(&s->comp, SRQ_WAIT_TO);
+ if (rc)
+ rc = 0;
+ else /* !rc means we timed out */
+ rc = -ETIMEDOUT;
+
+ WARN_ON_ONCE(entryp->idx != srq_idx);
+ mutex_unlock(&s->lock);
+out:
+ return rc;
+}
+EXPORT_SYMBOL(cxgb4_get_srq_entry);
+
+void do_srq_table_rpl(struct adapter *adap,
+ const struct cpl_srq_table_rpl *rpl)
+{
+ unsigned int idx = TID_TID_G(GET_TID(rpl));
+ struct srq_data *s = adap->srq;
+ struct srq_entry *e;
+
+ if (unlikely(rpl->status != CPL_CONTAINS_READ_RPL)) {
+ dev_err(adap->pdev_dev,
+ "Unexpected SRQ_TABLE_RPL status %u for entry %u\n",
+ rpl->status, idx);
+ goto out;
+ }
+
+ /* Store the read entry */
+ e = s->entryp;
+ e->valid = 1;
+ e->idx = idx;
+ e->pdid = SRQT_PDID_G(be64_to_cpu(rpl->rsvd_pdid));
+ e->qlen = SRQT_QLEN_G(be32_to_cpu(rpl->qlen_qbase));
+ e->qbase = SRQT_QBASE_G(be32_to_cpu(rpl->qlen_qbase));
+ e->cur_msn = be16_to_cpu(rpl->cur_msn);
+ e->max_msn = be16_to_cpu(rpl->max_msn);
+out:
+ complete(&s->comp);
+}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/srq.h b/drivers/net/ethernet/chelsio/cxgb4/srq.h
new file mode 100644
index 000000000000..ec85cf93865a
--- /dev/null
+++ b/drivers/net/ethernet/chelsio/cxgb4/srq.h
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the Chelsio T6 Ethernet driver for Linux.
+ *
+ * Copyright (c) 2017-2018 Chelsio Communications, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef __CXGB4_SRQ_H
+#define __CXGB4_SRQ_H
+
+struct adapter;
+struct cpl_srq_table_rpl;
+
+#define SRQ_WAIT_TO (HZ * 5)
+
+struct srq_entry {
+ u8 valid;
+ u8 idx;
+ u8 qlen;
+ u16 pdid;
+ u16 cur_msn;
+ u16 max_msn;
+ u32 qbase;
+};
+
+struct srq_data {
+ unsigned int srq_size;
+ struct srq_entry *entryp;
+ struct completion comp;
+ struct mutex lock; /* generic mutex for srq data */
+};
+
+struct srq_data *t4_init_srq(int srq_size);
+int cxgb4_get_srq_entry(struct net_device *dev,
+ int srq_idx, struct srq_entry *entryp);
+void do_srq_table_rpl(struct adapter *adap,
+ const struct cpl_srq_table_rpl *rpl);
+#endif /* __CXGB4_SRQ_H */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 920bccd6bc40..38e38dcfff91 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -484,6 +484,117 @@ static int t4_edc_err_read(struct adapter *adap, int idx)
}
/**
+ * t4_memory_rw_init - Get memory window relative offset, base, and size.
+ * @adap: the adapter
+ * @win: PCI-E Memory Window to use
+ * @mtype: memory type: MEM_EDC0, MEM_EDC1, MEM_HMA or MEM_MC
+ * @mem_off: memory relative offset with respect to @mtype.
+ * @mem_base: configured memory base address.
+ * @mem_aperture: configured memory window aperture.
+ *
+ * Get the configured memory window's relative offset, base, and size.
+ */
+int t4_memory_rw_init(struct adapter *adap, int win, int mtype, u32 *mem_off,
+ u32 *mem_base, u32 *mem_aperture)
+{
+ u32 edc_size, mc_size, mem_reg;
+
+ /* Offset into the region of memory which is being accessed
+ * MEM_EDC0 = 0
+ * MEM_EDC1 = 1
+ * MEM_MC = 2 -- MEM_MC for chips with only 1 memory controller
+ * MEM_MC1 = 3 -- for chips with 2 memory controllers (e.g. T5)
+ * MEM_HMA = 4
+ */
+ edc_size = EDRAM0_SIZE_G(t4_read_reg(adap, MA_EDRAM0_BAR_A));
+ if (mtype == MEM_HMA) {
+ *mem_off = 2 * (edc_size * 1024 * 1024);
+ } else if (mtype != MEM_MC1) {
+ *mem_off = (mtype * (edc_size * 1024 * 1024));
+ } else {
+ mc_size = EXT_MEM0_SIZE_G(t4_read_reg(adap,
+ MA_EXT_MEMORY0_BAR_A));
+ *mem_off = (MEM_MC0 * edc_size + mc_size) * 1024 * 1024;
+ }
+
+ /* Each PCI-E Memory Window is programmed with a window size -- or
+ * "aperture" -- which controls the granularity of its mapping onto
+ * adapter memory. We need to grab that aperture in order to know
+ * how to use the specified window. The window is also programmed
+ * with the base address of the Memory Window in BAR0's address
+ * space. For T4 this is an absolute PCI-E Bus Address. For T5
+ * the address is relative to BAR0.
+ */
+ mem_reg = t4_read_reg(adap,
+ PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN_A,
+ win));
+ /* a dead adapter will return 0xffffffff for PIO reads */
+ if (mem_reg == 0xffffffff)
+ return -ENXIO;
+
+ *mem_aperture = 1 << (WINDOW_G(mem_reg) + WINDOW_SHIFT_X);
+ *mem_base = PCIEOFST_G(mem_reg) << PCIEOFST_SHIFT_X;
+ if (is_t4(adap->params.chip))
+ *mem_base -= adap->t4_bar0;
+
+ return 0;
+}
+
+/**
+ * t4_memory_update_win - Move memory window to specified address.
+ * @adap: the adapter
+ * @win: PCI-E Memory Window to use
+ * @addr: location to move.
+ *
+ * Move memory window to specified address.
+ */
+void t4_memory_update_win(struct adapter *adap, int win, u32 addr)
+{
+ t4_write_reg(adap,
+ PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET_A, win),
+ addr);
+ /* Read it back to ensure that changes propagate before we
+ * attempt to use the new value.
+ */
+ t4_read_reg(adap,
+ PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET_A, win));
+}
+
+/**
+ * t4_memory_rw_residual - Read/Write residual data.
+ * @adap: the adapter
+ * @off: relative offset within residual to start read/write.
+ * @addr: address within indicated memory type.
+ * @buf: host memory buffer
+ * @dir: direction of transfer T4_MEMORY_READ (1) or T4_MEMORY_WRITE (0)
+ *
+ * Read/Write residual data less than 32-bits.
+ */
+void t4_memory_rw_residual(struct adapter *adap, u32 off, u32 addr, u8 *buf,
+ int dir)
+{
+ union {
+ u32 word;
+ char byte[4];
+ } last;
+ unsigned char *bp;
+ int i;
+
+ if (dir == T4_MEMORY_READ) {
+ last.word = le32_to_cpu((__force __le32)
+ t4_read_reg(adap, addr));
+ for (bp = (unsigned char *)buf, i = off; i < 4; i++)
+ bp[i] = last.byte[i];
+ } else {
+ last.word = *buf;
+ for (i = off; i < 4; i++)
+ last.byte[i] = 0;
+ t4_write_reg(adap, addr,
+ (__force u32)cpu_to_le32(last.word));
+ }
+}
+
+/**
* t4_memory_rw - read/write EDC 0, EDC 1 or MC via PCIE memory window
* @adap: the adapter
* @win: PCI-E Memory Window to use
@@ -504,8 +615,9 @@ int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr,
u32 len, void *hbuf, int dir)
{
u32 pos, offset, resid, memoffset;
- u32 edc_size, mc_size, win_pf, mem_reg, mem_aperture, mem_base;
+ u32 win_pf, mem_aperture, mem_base;
u32 *buf;
+ int ret;
/* Argument sanity checks ...
*/
@@ -521,59 +633,26 @@ int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr,
resid = len & 0x3;
len -= resid;
- /* Offset into the region of memory which is being accessed
- * MEM_EDC0 = 0
- * MEM_EDC1 = 1
- * MEM_MC = 2 -- MEM_MC for chips with only 1 memory controller
- * MEM_MC1 = 3 -- for chips with 2 memory controllers (e.g. T5)
- * MEM_HMA = 4
- */
- edc_size = EDRAM0_SIZE_G(t4_read_reg(adap, MA_EDRAM0_BAR_A));
- if (mtype == MEM_HMA) {
- memoffset = 2 * (edc_size * 1024 * 1024);
- } else if (mtype != MEM_MC1) {
- memoffset = (mtype * (edc_size * 1024 * 1024));
- } else {
- mc_size = EXT_MEM0_SIZE_G(t4_read_reg(adap,
- MA_EXT_MEMORY0_BAR_A));
- memoffset = (MEM_MC0 * edc_size + mc_size) * 1024 * 1024;
- }
+ ret = t4_memory_rw_init(adap, win, mtype, &memoffset, &mem_base,
+ &mem_aperture);
+ if (ret)
+ return ret;
/* Determine the PCIE_MEM_ACCESS_OFFSET */
addr = addr + memoffset;
- /* Each PCI-E Memory Window is programmed with a window size -- or
- * "aperture" -- which controls the granularity of its mapping onto
- * adapter memory. We need to grab that aperture in order to know
- * how to use the specified window. The window is also programmed
- * with the base address of the Memory Window in BAR0's address
- * space. For T4 this is an absolute PCI-E Bus Address. For T5
- * the address is relative to BAR0.
- */
- mem_reg = t4_read_reg(adap,
- PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_BASE_WIN_A,
- win));
- mem_aperture = 1 << (WINDOW_G(mem_reg) + WINDOW_SHIFT_X);
- mem_base = PCIEOFST_G(mem_reg) << PCIEOFST_SHIFT_X;
- if (is_t4(adap->params.chip))
- mem_base -= adap->t4_bar0;
win_pf = is_t4(adap->params.chip) ? 0 : PFNUM_V(adap->pf);
/* Calculate our initial PCI-E Memory Window Position and Offset into
* that Window.
*/
- pos = addr & ~(mem_aperture-1);
+ pos = addr & ~(mem_aperture - 1);
offset = addr - pos;
/* Set up initial PCI-E Memory Window to cover the start of our
- * transfer. (Read it back to ensure that changes propagate before we
- * attempt to use the new value.)
+ * transfer.
*/
- t4_write_reg(adap,
- PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET_A, win),
- pos | win_pf);
- t4_read_reg(adap,
- PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET_A, win));
+ t4_memory_update_win(adap, win, pos | win_pf);
/* Transfer data to/from the adapter as long as there's an integral
* number of 32-bit transfers to complete.
@@ -628,12 +707,7 @@ int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr,
if (offset == mem_aperture) {
pos += mem_aperture;
offset = 0;
- t4_write_reg(adap,
- PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET_A,
- win), pos | win_pf);
- t4_read_reg(adap,
- PCIE_MEM_ACCESS_REG(PCIE_MEM_ACCESS_OFFSET_A,
- win));
+ t4_memory_update_win(adap, win, pos | win_pf);
}
}
@@ -642,28 +716,9 @@ int t4_memory_rw(struct adapter *adap, int win, int mtype, u32 addr,
* residual amount. The PCI-E Memory Window has already been moved
* above (if necessary) to cover this final transfer.
*/
- if (resid) {
- union {
- u32 word;
- char byte[4];
- } last;
- unsigned char *bp;
- int i;
-
- if (dir == T4_MEMORY_READ) {
- last.word = le32_to_cpu(
- (__force __le32)t4_read_reg(adap,
- mem_base + offset));
- for (bp = (unsigned char *)buf, i = resid; i < 4; i++)
- bp[i] = last.byte[i];
- } else {
- last.word = *buf;
- for (i = resid; i < 4; i++)
- last.byte[i] = 0;
- t4_write_reg(adap, mem_base + offset,
- (__force u32)cpu_to_le32(last.word));
- }
- }
+ if (resid)
+ t4_memory_rw_residual(adap, resid, mem_base + offset,
+ (u8 *)buf, dir);
return 0;
}
@@ -6036,6 +6091,7 @@ unsigned int t4_get_tp_ch_map(struct adapter *adap, int pidx)
case CHELSIO_T6:
switch (nports) {
+ case 1:
case 2: return 1 << pidx;
}
break;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h b/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h
index d0db4427b77e..5e8f5ca8e3ee 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_msg.h
@@ -52,6 +52,7 @@ enum {
CPL_L2T_WRITE_REQ = 0x12,
CPL_SMT_WRITE_REQ = 0x14,
CPL_TID_RELEASE = 0x1A,
+ CPL_SRQ_TABLE_REQ = 0x1C,
CPL_TX_DATA_ISO = 0x1F,
CPL_CLOSE_LISTSRV_RPL = 0x20,
@@ -102,6 +103,7 @@ enum {
CPL_FW4_MSG = 0xC0,
CPL_FW4_PLD = 0xC1,
CPL_FW4_ACK = 0xC3,
+ CPL_SRQ_TABLE_RPL = 0xCC,
CPL_RX_PHYS_DSGL = 0xD0,
@@ -136,6 +138,8 @@ enum CPL_error {
CPL_ERR_KEEPALV_NEG_ADVICE = 37,
CPL_ERR_ABORT_FAILED = 42,
CPL_ERR_IWARP_FLM = 50,
+ CPL_CONTAINS_READ_RPL = 60,
+ CPL_CONTAINS_WRITE_RPL = 61,
};
enum {
@@ -198,6 +202,7 @@ union opcode_tid {
/* partitioning of TID fields that also carry a queue id */
#define TID_TID_S 0
#define TID_TID_M 0x3fff
+#define TID_TID_V(x) ((x) << TID_TID_S)
#define TID_TID_G(x) (((x) >> TID_TID_S) & TID_TID_M)
#define TID_QID_S 14
@@ -743,6 +748,22 @@ struct cpl_abort_req_rss {
u8 status;
};
+struct cpl_abort_req_rss6 {
+ WR_HDR;
+ union opcode_tid ot;
+ __u32 srqidx_status;
+};
+
+#define ABORT_RSS_STATUS_S 0
+#define ABORT_RSS_STATUS_M 0xff
+#define ABORT_RSS_STATUS_V(x) ((x) << ABORT_RSS_STATUS_S)
+#define ABORT_RSS_STATUS_G(x) (((x) >> ABORT_RSS_STATUS_S) & ABORT_RSS_STATUS_M)
+
+#define ABORT_RSS_SRQIDX_S 8
+#define ABORT_RSS_SRQIDX_M 0xffffff
+#define ABORT_RSS_SRQIDX_V(x) ((x) << ABORT_RSS_SRQIDX_S)
+#define ABORT_RSS_SRQIDX_G(x) (((x) >> ABORT_RSS_SRQIDX_S) & ABORT_RSS_SRQIDX_M)
+
struct cpl_abort_req {
WR_HDR;
union opcode_tid ot;
@@ -758,6 +779,11 @@ struct cpl_abort_rpl_rss {
u8 status;
};
+struct cpl_abort_rpl_rss6 {
+ union opcode_tid ot;
+ __u32 srqidx_status;
+};
+
struct cpl_abort_rpl {
WR_HDR;
union opcode_tid ot;
@@ -2112,4 +2138,49 @@ enum {
X_CPL_RX_MPS_PKT_TYPE_QFC = 1 << 2,
X_CPL_RX_MPS_PKT_TYPE_PTP = 1 << 3
};
+
+struct cpl_srq_table_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __u8 status;
+ __u8 rsvd[2];
+ __u8 idx;
+ __be64 rsvd_pdid;
+ __be32 qlen_qbase;
+ __be16 cur_msn;
+ __be16 max_msn;
+};
+
+struct cpl_srq_table_rpl {
+ union opcode_tid ot;
+ __u8 status;
+ __u8 rsvd[2];
+ __u8 idx;
+ __be64 rsvd_pdid;
+ __be32 qlen_qbase;
+ __be16 cur_msn;
+ __be16 max_msn;
+};
+
+/* cpl_srq_table_{req,rpl}.params fields */
+#define SRQT_QLEN_S 28
+#define SRQT_QLEN_M 0xF
+#define SRQT_QLEN_V(x) ((x) << SRQT_QLEN_S)
+#define SRQT_QLEN_G(x) (((x) >> SRQT_QLEN_S) & SRQT_QLEN_M)
+
+#define SRQT_QBASE_S 0
+#define SRQT_QBASE_M 0x3FFFFFF
+#define SRQT_QBASE_V(x) ((x) << SRQT_QBASE_S)
+#define SRQT_QBASE_G(x) (((x) >> SRQT_QBASE_S) & SRQT_QBASE_M)
+
+#define SRQT_PDID_S 0
+#define SRQT_PDID_M 0xFF
+#define SRQT_PDID_V(x) ((x) << SRQT_PDID_S)
+#define SRQT_PDID_G(x) (((x) >> SRQT_PDID_S) & SRQT_PDID_M)
+
+#define SRQT_IDX_S 0
+#define SRQT_IDX_M 0xF
+#define SRQT_IDX_V(x) ((x) << SRQT_IDX_S)
+#define SRQT_IDX_G(x) (((x) >> SRQT_IDX_S) & SRQT_IDX_M)
+
#endif /* __T4_MSG_H */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index 0d83b4064a78..544757f6ab3a 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -101,6 +101,7 @@ enum fw_wr_opcodes {
FW_RI_BIND_MW_WR = 0x18,
FW_RI_FR_NSMR_WR = 0x19,
FW_RI_FR_NSMR_TPTE_WR = 0x20,
+ FW_RI_RDMA_WRITE_CMPL_WR = 0x21,
FW_RI_INV_LSTAG_WR = 0x1a,
FW_ISCSI_TX_DATA_WR = 0x45,
FW_PTP_TX_PKT_WR = 0x46,
@@ -766,6 +767,7 @@ enum fw_cmd_opcodes {
FW_DEVLOG_CMD = 0x25,
FW_CLIP_CMD = 0x28,
FW_PTP_CMD = 0x3e,
+ FW_HMA_CMD = 0x3f,
FW_LASTC2E_CMD = 0x40,
FW_ERROR_CMD = 0x80,
FW_DEBUG_CMD = 0x81,
@@ -1132,6 +1134,7 @@ enum fw_memtype_cf {
FW_MEMTYPE_CF_FLASH = 0x4,
FW_MEMTYPE_CF_INTERNAL = 0x5,
FW_MEMTYPE_CF_EXTMEM1 = 0x6,
+ FW_MEMTYPE_CF_HMA = 0x7,
};
struct fw_caps_config_cmd {
@@ -1210,6 +1213,9 @@ enum fw_params_param_dev {
FW_PARAMS_PARAM_DEV_RI_FR_NSMR_TPTE_WR = 0x1C,
FW_PARAMS_PARAM_DEV_FILTER2_WR = 0x1D,
FW_PARAMS_PARAM_DEV_MPSBGMAP = 0x1E,
+ FW_PARAMS_PARAM_DEV_HMA_SIZE = 0x20,
+ FW_PARAMS_PARAM_DEV_RDMA_WRITE_WITH_IMM = 0x21,
+ FW_PARAMS_PARAM_DEV_RI_WRITE_CMPL_WR = 0x24,
};
/*
@@ -1241,6 +1247,8 @@ enum fw_params_param_pfvf {
FW_PARAMS_PARAM_PFVF_SQRQ_END = 0x16,
FW_PARAMS_PARAM_PFVF_CQ_START = 0x17,
FW_PARAMS_PARAM_PFVF_CQ_END = 0x18,
+ FW_PARAMS_PARAM_PFVF_SRQ_START = 0x19,
+ FW_PARAMS_PARAM_PFVF_SRQ_END = 0x1A,
FW_PARAMS_PARAM_PFVF_SCHEDCLASS_ETH = 0x20,
FW_PARAMS_PARAM_PFVF_VIID = 0x24,
FW_PARAMS_PARAM_PFVF_CPMASK = 0x25,
@@ -3435,6 +3443,59 @@ struct fw_debug_cmd {
#define FW_DEBUG_CMD_TYPE_G(x) \
(((x) >> FW_DEBUG_CMD_TYPE_S) & FW_DEBUG_CMD_TYPE_M)
+struct fw_hma_cmd {
+ __be32 op_pkd;
+ __be32 retval_len16;
+ __be32 mode_to_pcie_params;
+ __be32 naddr_size;
+ __be32 addr_size_pkd;
+ __be32 r6;
+ __be64 phy_address[5];
+};
+
+#define FW_HMA_CMD_MODE_S 31
+#define FW_HMA_CMD_MODE_M 0x1
+#define FW_HMA_CMD_MODE_V(x) ((x) << FW_HMA_CMD_MODE_S)
+#define FW_HMA_CMD_MODE_G(x) \
+ (((x) >> FW_HMA_CMD_MODE_S) & FW_HMA_CMD_MODE_M)
+#define FW_HMA_CMD_MODE_F FW_HMA_CMD_MODE_V(1U)
+
+#define FW_HMA_CMD_SOC_S 30
+#define FW_HMA_CMD_SOC_M 0x1
+#define FW_HMA_CMD_SOC_V(x) ((x) << FW_HMA_CMD_SOC_S)
+#define FW_HMA_CMD_SOC_G(x) (((x) >> FW_HMA_CMD_SOC_S) & FW_HMA_CMD_SOC_M)
+#define FW_HMA_CMD_SOC_F FW_HMA_CMD_SOC_V(1U)
+
+#define FW_HMA_CMD_EOC_S 29
+#define FW_HMA_CMD_EOC_M 0x1
+#define FW_HMA_CMD_EOC_V(x) ((x) << FW_HMA_CMD_EOC_S)
+#define FW_HMA_CMD_EOC_G(x) (((x) >> FW_HMA_CMD_EOC_S) & FW_HMA_CMD_EOC_M)
+#define FW_HMA_CMD_EOC_F FW_HMA_CMD_EOC_V(1U)
+
+#define FW_HMA_CMD_PCIE_PARAMS_S 0
+#define FW_HMA_CMD_PCIE_PARAMS_M 0x7ffffff
+#define FW_HMA_CMD_PCIE_PARAMS_V(x) ((x) << FW_HMA_CMD_PCIE_PARAMS_S)
+#define FW_HMA_CMD_PCIE_PARAMS_G(x) \
+ (((x) >> FW_HMA_CMD_PCIE_PARAMS_S) & FW_HMA_CMD_PCIE_PARAMS_M)
+
+#define FW_HMA_CMD_NADDR_S 12
+#define FW_HMA_CMD_NADDR_M 0x3f
+#define FW_HMA_CMD_NADDR_V(x) ((x) << FW_HMA_CMD_NADDR_S)
+#define FW_HMA_CMD_NADDR_G(x) \
+ (((x) >> FW_HMA_CMD_NADDR_S) & FW_HMA_CMD_NADDR_M)
+
+#define FW_HMA_CMD_SIZE_S 0
+#define FW_HMA_CMD_SIZE_M 0xfff
+#define FW_HMA_CMD_SIZE_V(x) ((x) << FW_HMA_CMD_SIZE_S)
+#define FW_HMA_CMD_SIZE_G(x) \
+ (((x) >> FW_HMA_CMD_SIZE_S) & FW_HMA_CMD_SIZE_M)
+
+#define FW_HMA_CMD_ADDR_SIZE_S 11
+#define FW_HMA_CMD_ADDR_SIZE_M 0x1fffff
+#define FW_HMA_CMD_ADDR_SIZE_V(x) ((x) << FW_HMA_CMD_ADDR_SIZE_S)
+#define FW_HMA_CMD_ADDR_SIZE_G(x) \
+ (((x) >> FW_HMA_CMD_ADDR_SIZE_S) & FW_HMA_CMD_ADDR_SIZE_M)
+
enum pcie_fw_eval {
PCIE_FW_EVAL_CRASH = 0,
};
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-09 13:20:51 +0000