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-rw-r--r--drivers/net/ethernet/cisco/enic/enic.h21
-rw-r--r--drivers/net/ethernet/cisco/enic/enic_main.c5
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_cq.c3
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_dev.c275
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_dev.h44
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_devcmd.h28
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_intr.c3
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_resource.h7
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_rq.c6
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_wq.c31
-rw-r--r--drivers/net/ethernet/cisco/enic/vnic_wq.h17
11 files changed, 357 insertions, 83 deletions
diff --git a/drivers/net/ethernet/cisco/enic/enic.h b/drivers/net/ethernet/cisco/enic/enic.h
index 84b6a2b46aec..8b53f7d4bebf 100644
--- a/drivers/net/ethernet/cisco/enic/enic.h
+++ b/drivers/net/ethernet/cisco/enic/enic.h
@@ -33,7 +33,7 @@
#define DRV_NAME "enic"
#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Driver"
-#define DRV_VERSION "2.1.1.83"
+#define DRV_VERSION "2.3.0.12"
#define DRV_COPYRIGHT "Copyright 2008-2013 Cisco Systems, Inc"
#define ENIC_BARS_MAX 6
@@ -191,6 +191,25 @@ struct enic {
struct vnic_gen_stats gen_stats;
};
+static inline struct net_device *vnic_get_netdev(struct vnic_dev *vdev)
+{
+ struct enic *enic = vdev->priv;
+
+ return enic->netdev;
+}
+
+/* wrappers function for kernel log
+ * Make sure variable vdev of struct vnic_dev is available in the block where
+ * these macros are used
+ */
+#define vdev_info(args...) dev_info(&vdev->pdev->dev, args)
+#define vdev_warn(args...) dev_warn(&vdev->pdev->dev, args)
+#define vdev_err(args...) dev_err(&vdev->pdev->dev, args)
+
+#define vdev_netinfo(args...) netdev_info(vnic_get_netdev(vdev), args)
+#define vdev_netwarn(args...) netdev_warn(vnic_get_netdev(vdev), args)
+#define vdev_neterr(args...) netdev_err(vnic_get_netdev(vdev), args)
+
static inline struct device *enic_get_dev(struct enic *enic)
{
return &(enic->pdev->dev);
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 8f646e4e968b..cb1fdc350bb2 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -2484,6 +2484,11 @@ static int enic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto err_out_iounmap;
}
+ err = vnic_devcmd_init(enic->vdev);
+
+ if (err)
+ goto err_out_vnic_unregister;
+
#ifdef CONFIG_PCI_IOV
/* Get number of subvnics */
pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV);
diff --git a/drivers/net/ethernet/cisco/enic/vnic_cq.c b/drivers/net/ethernet/cisco/enic/vnic_cq.c
index 0daa1c7073cb..abeda2a9ea27 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_cq.c
+++ b/drivers/net/ethernet/cisco/enic/vnic_cq.c
@@ -24,6 +24,7 @@
#include "vnic_dev.h"
#include "vnic_cq.h"
+#include "enic.h"
void vnic_cq_free(struct vnic_cq *cq)
{
@@ -42,7 +43,7 @@ int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index,
cq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_CQ, index);
if (!cq->ctrl) {
- pr_err("Failed to hook CQ[%d] resource\n", index);
+ vdev_err("Failed to hook CQ[%d] resource\n", index);
return -EINVAL;
}
diff --git a/drivers/net/ethernet/cisco/enic/vnic_dev.c b/drivers/net/ethernet/cisco/enic/vnic_dev.c
index 62f7b7baf93c..ff2da7ece7d4 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_dev.c
+++ b/drivers/net/ethernet/cisco/enic/vnic_dev.c
@@ -27,46 +27,9 @@
#include "vnic_resource.h"
#include "vnic_devcmd.h"
#include "vnic_dev.h"
+#include "vnic_wq.h"
#include "vnic_stats.h"
-
-enum vnic_proxy_type {
- PROXY_NONE,
- PROXY_BY_BDF,
- PROXY_BY_INDEX,
-};
-
-struct vnic_res {
- void __iomem *vaddr;
- dma_addr_t bus_addr;
- unsigned int count;
-};
-
-struct vnic_intr_coal_timer_info {
- u32 mul;
- u32 div;
- u32 max_usec;
-};
-
-struct vnic_dev {
- void *priv;
- struct pci_dev *pdev;
- struct vnic_res res[RES_TYPE_MAX];
- enum vnic_dev_intr_mode intr_mode;
- struct vnic_devcmd __iomem *devcmd;
- struct vnic_devcmd_notify *notify;
- struct vnic_devcmd_notify notify_copy;
- dma_addr_t notify_pa;
- u32 notify_sz;
- dma_addr_t linkstatus_pa;
- struct vnic_stats *stats;
- dma_addr_t stats_pa;
- struct vnic_devcmd_fw_info *fw_info;
- dma_addr_t fw_info_pa;
- enum vnic_proxy_type proxy;
- u32 proxy_index;
- u64 args[VNIC_DEVCMD_NARGS];
- struct vnic_intr_coal_timer_info intr_coal_timer_info;
-};
+#include "enic.h"
#define VNIC_MAX_RES_HDR_SIZE \
(sizeof(struct vnic_resource_header) + \
@@ -90,14 +53,14 @@ static int vnic_dev_discover_res(struct vnic_dev *vdev,
return -EINVAL;
if (bar->len < VNIC_MAX_RES_HDR_SIZE) {
- pr_err("vNIC BAR0 res hdr length error\n");
+ vdev_err("vNIC BAR0 res hdr length error\n");
return -EINVAL;
}
rh = bar->vaddr;
mrh = bar->vaddr;
if (!rh) {
- pr_err("vNIC BAR0 res hdr not mem-mapped\n");
+ vdev_err("vNIC BAR0 res hdr not mem-mapped\n");
return -EINVAL;
}
@@ -106,11 +69,10 @@ static int vnic_dev_discover_res(struct vnic_dev *vdev,
(ioread32(&rh->version) != VNIC_RES_VERSION)) {
if ((ioread32(&mrh->magic) != MGMTVNIC_MAGIC) ||
(ioread32(&mrh->version) != MGMTVNIC_VERSION)) {
- pr_err("vNIC BAR0 res magic/version error "
- "exp (%lx/%lx) or (%lx/%lx), curr (%x/%x)\n",
- VNIC_RES_MAGIC, VNIC_RES_VERSION,
- MGMTVNIC_MAGIC, MGMTVNIC_VERSION,
- ioread32(&rh->magic), ioread32(&rh->version));
+ vdev_err("vNIC BAR0 res magic/version error exp (%lx/%lx) or (%lx/%lx), curr (%x/%x)\n",
+ VNIC_RES_MAGIC, VNIC_RES_VERSION,
+ MGMTVNIC_MAGIC, MGMTVNIC_VERSION,
+ ioread32(&rh->magic), ioread32(&rh->version));
return -EINVAL;
}
}
@@ -144,17 +106,15 @@ static int vnic_dev_discover_res(struct vnic_dev *vdev,
/* each count is stride bytes long */
len = count * VNIC_RES_STRIDE;
if (len + bar_offset > bar[bar_num].len) {
- pr_err("vNIC BAR0 resource %d "
- "out-of-bounds, offset 0x%x + "
- "size 0x%x > bar len 0x%lx\n",
- type, bar_offset,
- len,
- bar[bar_num].len);
+ vdev_err("vNIC BAR0 resource %d out-of-bounds, offset 0x%x + size 0x%x > bar len 0x%lx\n",
+ type, bar_offset, len,
+ bar[bar_num].len);
return -EINVAL;
}
break;
case RES_TYPE_INTR_PBA_LEGACY:
case RES_TYPE_DEVCMD:
+ case RES_TYPE_DEVCMD2:
len = count;
break;
default:
@@ -238,8 +198,8 @@ int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
&ring->base_addr_unaligned);
if (!ring->descs_unaligned) {
- pr_err("Failed to allocate ring (size=%d), aborting\n",
- (int)ring->size);
+ vdev_err("Failed to allocate ring (size=%d), aborting\n",
+ (int)ring->size);
return -ENOMEM;
}
@@ -281,7 +241,7 @@ static int _vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
return -ENODEV;
}
if (status & STAT_BUSY) {
- pr_err("Busy devcmd %d\n", _CMD_N(cmd));
+ vdev_neterr("Busy devcmd %d\n", _CMD_N(cmd));
return -EBUSY;
}
@@ -315,8 +275,8 @@ static int _vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
return -err;
if (err != ERR_ECMDUNKNOWN ||
cmd != CMD_CAPABILITY)
- pr_err("Error %d devcmd %d\n",
- err, _CMD_N(cmd));
+ vdev_neterr("Error %d devcmd %d\n",
+ err, _CMD_N(cmd));
return -err;
}
@@ -330,10 +290,160 @@ static int _vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
}
}
- pr_err("Timedout devcmd %d\n", _CMD_N(cmd));
+ vdev_neterr("Timedout devcmd %d\n", _CMD_N(cmd));
return -ETIMEDOUT;
}
+static int _vnic_dev_cmd2(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+ int wait)
+{
+ struct devcmd2_controller *dc2c = vdev->devcmd2;
+ struct devcmd2_result *result = dc2c->result + dc2c->next_result;
+ unsigned int i;
+ int delay, err;
+ u32 fetch_index, posted, new_posted;
+
+ posted = ioread32(&dc2c->wq_ctrl->posted_index);
+ fetch_index = ioread32(&dc2c->wq_ctrl->fetch_index);
+
+ if (posted == 0xFFFFFFFF || fetch_index == 0xFFFFFFFF)
+ return -ENODEV;
+
+ new_posted = (posted + 1) % DEVCMD2_RING_SIZE;
+
+ if (new_posted == fetch_index) {
+ vdev_neterr("devcmd2 %d: wq is full. fetch index: %u, posted index: %u\n",
+ _CMD_N(cmd), fetch_index, posted);
+ return -EBUSY;
+ }
+ dc2c->cmd_ring[posted].cmd = cmd;
+ dc2c->cmd_ring[posted].flags = 0;
+
+ if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT))
+ dc2c->cmd_ring[posted].flags |= DEVCMD2_FNORESULT;
+ if (_CMD_DIR(cmd) & _CMD_DIR_WRITE)
+ for (i = 0; i < VNIC_DEVCMD_NARGS; i++)
+ dc2c->cmd_ring[posted].args[i] = vdev->args[i];
+
+ /* Adding write memory barrier prevents compiler and/or CPU reordering,
+ * thus avoiding descriptor posting before descriptor is initialized.
+ * Otherwise, hardware can read stale descriptor fields.
+ */
+ wmb();
+ iowrite32(new_posted, &dc2c->wq_ctrl->posted_index);
+
+ if (dc2c->cmd_ring[posted].flags & DEVCMD2_FNORESULT)
+ return 0;
+
+ for (delay = 0; delay < wait; delay++) {
+ if (result->color == dc2c->color) {
+ dc2c->next_result++;
+ if (dc2c->next_result == dc2c->result_size) {
+ dc2c->next_result = 0;
+ dc2c->color = dc2c->color ? 0 : 1;
+ }
+ if (result->error) {
+ err = result->error;
+ if (err != ERR_ECMDUNKNOWN ||
+ cmd != CMD_CAPABILITY)
+ vdev_neterr("Error %d devcmd %d\n",
+ err, _CMD_N(cmd));
+ return -err;
+ }
+ if (_CMD_DIR(cmd) & _CMD_DIR_READ)
+ for (i = 0; i < VNIC_DEVCMD2_NARGS; i++)
+ vdev->args[i] = result->results[i];
+
+ return 0;
+ }
+ udelay(100);
+ }
+
+ vdev_neterr("devcmd %d timed out\n", _CMD_N(cmd));
+
+ return -ETIMEDOUT;
+}
+
+static int vnic_dev_init_devcmd1(struct vnic_dev *vdev)
+{
+ vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0);
+ if (!vdev->devcmd)
+ return -ENODEV;
+ vdev->devcmd_rtn = _vnic_dev_cmd;
+
+ return 0;
+}
+
+static int vnic_dev_init_devcmd2(struct vnic_dev *vdev)
+{
+ int err;
+ unsigned int fetch_index;
+
+ if (vdev->devcmd2)
+ return 0;
+
+ vdev->devcmd2 = kzalloc(sizeof(*vdev->devcmd2), GFP_KERNEL);
+ if (!vdev->devcmd2)
+ return -ENOMEM;
+
+ vdev->devcmd2->color = 1;
+ vdev->devcmd2->result_size = DEVCMD2_RING_SIZE;
+ err = vnic_wq_devcmd2_alloc(vdev, &vdev->devcmd2->wq, DEVCMD2_RING_SIZE,
+ DEVCMD2_DESC_SIZE);
+ if (err)
+ goto err_free_devcmd2;
+
+ fetch_index = ioread32(&vdev->devcmd2->wq.ctrl->fetch_index);
+ if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone */
+ vdev_err("Fatal error in devcmd2 init - hardware surprise removal");
+
+ return -ENODEV;
+ }
+
+ vnic_wq_init_start(&vdev->devcmd2->wq, 0, fetch_index, fetch_index, 0,
+ 0);
+ vnic_wq_enable(&vdev->devcmd2->wq);
+
+ err = vnic_dev_alloc_desc_ring(vdev, &vdev->devcmd2->results_ring,
+ DEVCMD2_RING_SIZE, DEVCMD2_DESC_SIZE);
+ if (err)
+ goto err_free_wq;
+
+ vdev->devcmd2->result = vdev->devcmd2->results_ring.descs;
+ vdev->devcmd2->cmd_ring = vdev->devcmd2->wq.ring.descs;
+ vdev->devcmd2->wq_ctrl = vdev->devcmd2->wq.ctrl;
+ vdev->args[0] = (u64)vdev->devcmd2->results_ring.base_addr |
+ VNIC_PADDR_TARGET;
+ vdev->args[1] = DEVCMD2_RING_SIZE;
+
+ err = _vnic_dev_cmd2(vdev, CMD_INITIALIZE_DEVCMD2, 1000);
+ if (err)
+ goto err_free_desc_ring;
+
+ vdev->devcmd_rtn = _vnic_dev_cmd2;
+
+ return 0;
+
+err_free_desc_ring:
+ vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring);
+err_free_wq:
+ vnic_wq_disable(&vdev->devcmd2->wq);
+ vnic_wq_free(&vdev->devcmd2->wq);
+err_free_devcmd2:
+ kfree(vdev->devcmd2);
+ vdev->devcmd2 = NULL;
+
+ return err;
+}
+
+static void vnic_dev_deinit_devcmd2(struct vnic_dev *vdev)
+{
+ vnic_dev_free_desc_ring(vdev, &vdev->devcmd2->results_ring);
+ vnic_wq_disable(&vdev->devcmd2->wq);
+ vnic_wq_free(&vdev->devcmd2->wq);
+ kfree(vdev->devcmd2);
+}
+
static int vnic_dev_cmd_proxy(struct vnic_dev *vdev,
enum vnic_devcmd_cmd proxy_cmd, enum vnic_devcmd_cmd cmd,
u64 *a0, u64 *a1, int wait)
@@ -348,7 +458,7 @@ static int vnic_dev_cmd_proxy(struct vnic_dev *vdev,
vdev->args[2] = *a0;
vdev->args[3] = *a1;
- err = _vnic_dev_cmd(vdev, proxy_cmd, wait);
+ err = vdev->devcmd_rtn(vdev, proxy_cmd, wait);
if (err)
return err;
@@ -357,7 +467,8 @@ static int vnic_dev_cmd_proxy(struct vnic_dev *vdev,
err = (int)vdev->args[1];
if (err != ERR_ECMDUNKNOWN ||
cmd != CMD_CAPABILITY)
- pr_err("Error %d proxy devcmd %d\n", err, _CMD_N(cmd));
+ vdev_neterr("Error %d proxy devcmd %d\n", err,
+ _CMD_N(cmd));
return err;
}
@@ -375,7 +486,7 @@ static int vnic_dev_cmd_no_proxy(struct vnic_dev *vdev,
vdev->args[0] = *a0;
vdev->args[1] = *a1;
- err = _vnic_dev_cmd(vdev, cmd, wait);
+ err = vdev->devcmd_rtn(vdev, cmd, wait);
*a0 = vdev->args[0];
*a1 = vdev->args[1];
@@ -650,7 +761,7 @@ int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait);
if (err)
- pr_err("Can't set packet filter\n");
+ vdev_neterr("Can't set packet filter\n");
return err;
}
@@ -667,7 +778,7 @@ int vnic_dev_add_addr(struct vnic_dev *vdev, const u8 *addr)
err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait);
if (err)
- pr_err("Can't add addr [%pM], %d\n", addr, err);
+ vdev_neterr("Can't add addr [%pM], %d\n", addr, err);
return err;
}
@@ -684,7 +795,7 @@ int vnic_dev_del_addr(struct vnic_dev *vdev, const u8 *addr)
err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait);
if (err)
- pr_err("Can't del addr [%pM], %d\n", addr, err);
+ vdev_neterr("Can't del addr [%pM], %d\n", addr, err);
return err;
}
@@ -728,7 +839,7 @@ int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr)
dma_addr_t notify_pa;
if (vdev->notify || vdev->notify_pa) {
- pr_err("notify block %p still allocated", vdev->notify);
+ vdev_neterr("notify block %p still allocated", vdev->notify);
return -EINVAL;
}
@@ -838,7 +949,7 @@ int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev)
memset(vdev->args, 0, sizeof(vdev->args));
if (vnic_dev_capable(vdev, CMD_INTR_COAL_CONVERT))
- err = _vnic_dev_cmd(vdev, CMD_INTR_COAL_CONVERT, wait);
+ err = vdev->devcmd_rtn(vdev, CMD_INTR_COAL_CONVERT, wait);
else
err = ERR_ECMDUNKNOWN;
@@ -847,7 +958,7 @@ int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev)
*/
if ((err == ERR_ECMDUNKNOWN) ||
(!err && !(vdev->args[0] && vdev->args[1] && vdev->args[2]))) {
- pr_warn("Using default conversion factor for interrupt coalesce timer\n");
+ vdev_netwarn("Using default conversion factor for interrupt coalesce timer\n");
vnic_dev_intr_coal_timer_info_default(vdev);
return 0;
}
@@ -938,6 +1049,9 @@ void vnic_dev_unregister(struct vnic_dev *vdev)
pci_free_consistent(vdev->pdev,
sizeof(struct vnic_devcmd_fw_info),
vdev->fw_info, vdev->fw_info_pa);
+ if (vdev->devcmd2)
+ vnic_dev_deinit_devcmd2(vdev);
+
kfree(vdev);
}
}
@@ -959,10 +1073,6 @@ struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
if (vnic_dev_discover_res(vdev, bar, num_bars))
goto err_out;
- vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0);
- if (!vdev->devcmd)
- goto err_out;
-
return vdev;
err_out:
@@ -977,6 +1087,29 @@ struct pci_dev *vnic_dev_get_pdev(struct vnic_dev *vdev)
}
EXPORT_SYMBOL(vnic_dev_get_pdev);
+int vnic_devcmd_init(struct vnic_dev *vdev)
+{
+ int err;
+ void *res;
+
+ res = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD2, 0);
+ if (res) {
+ err = vnic_dev_init_devcmd2(vdev);
+ if (err)
+ vdev_warn("DEVCMD2 init failed: %d, Using DEVCMD1",
+ err);
+ else
+ return 0;
+ } else {
+ vdev_warn("DEVCMD2 resource not found (old firmware?) Using DEVCMD1\n");
+ }
+ err = vnic_dev_init_devcmd1(vdev);
+ if (err)
+ vdev_err("DEVCMD1 initialization failed: %d", err);
+
+ return err;
+}
+
int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len)
{
u64 a0, a1 = len;
diff --git a/drivers/net/ethernet/cisco/enic/vnic_dev.h b/drivers/net/ethernet/cisco/enic/vnic_dev.h
index 1fb214efceba..b013b6a78e87 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_dev.h
+++ b/drivers/net/ethernet/cisco/enic/vnic_dev.h
@@ -70,7 +70,48 @@ struct vnic_dev_ring {
unsigned int desc_avail;
};
-struct vnic_dev;
+enum vnic_proxy_type {
+ PROXY_NONE,
+ PROXY_BY_BDF,
+ PROXY_BY_INDEX,
+};
+
+struct vnic_res {
+ void __iomem *vaddr;
+ dma_addr_t bus_addr;
+ unsigned int count;
+};
+
+struct vnic_intr_coal_timer_info {
+ u32 mul;
+ u32 div;
+ u32 max_usec;
+};
+
+struct vnic_dev {
+ void *priv;
+ struct pci_dev *pdev;
+ struct vnic_res res[RES_TYPE_MAX];
+ enum vnic_dev_intr_mode intr_mode;
+ struct vnic_devcmd __iomem *devcmd;
+ struct vnic_devcmd_notify *notify;
+ struct vnic_devcmd_notify notify_copy;
+ dma_addr_t notify_pa;
+ u32 notify_sz;
+ dma_addr_t linkstatus_pa;
+ struct vnic_stats *stats;
+ dma_addr_t stats_pa;
+ struct vnic_devcmd_fw_info *fw_info;
+ dma_addr_t fw_info_pa;
+ enum vnic_proxy_type proxy;
+ u32 proxy_index;
+ u64 args[VNIC_DEVCMD_NARGS];
+ struct vnic_intr_coal_timer_info intr_coal_timer_info;
+ struct devcmd2_controller *devcmd2;
+ int (*devcmd_rtn)(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
+ int wait);
+};
+
struct vnic_stats;
void *vnic_dev_priv(struct vnic_dev *vdev);
@@ -135,5 +176,6 @@ int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status);
int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry,
struct filter *data);
+int vnic_devcmd_init(struct vnic_dev *vdev);
#endif /* _VNIC_DEV_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
index 435d0cd96c22..2a812880b884 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
+++ b/drivers/net/ethernet/cisco/enic/vnic_devcmd.h
@@ -365,6 +365,12 @@ enum vnic_devcmd_cmd {
*/
CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56),
+ /* Initialization for the devcmd2 interface.
+ * in: (u64) a0 = host result buffer physical address
+ * in: (u16) a1 = number of entries in result buffer
+ */
+ CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57),
+
/* Add a filter.
* in: (u64) a0= filter address
* (u32) a1= size of filter
@@ -629,4 +635,26 @@ struct vnic_devcmd {
u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */
};
+#define DEVCMD2_FNORESULT 0x1 /* Don't copy result to host */
+
+#define VNIC_DEVCMD2_NARGS VNIC_DEVCMD_NARGS
+struct vnic_devcmd2 {
+ u16 pad;
+ u16 flags;
+ u32 cmd;
+ u64 args[VNIC_DEVCMD2_NARGS];
+};
+
+#define VNIC_DEVCMD2_NRESULTS VNIC_DEVCMD_NARGS
+struct devcmd2_result {
+ u64 results[VNIC_DEVCMD2_NRESULTS];
+ u32 pad;
+ u16 completed_index;
+ u8 error;
+ u8 color;
+};
+
+#define DEVCMD2_RING_SIZE 32
+#define DEVCMD2_DESC_SIZE 128
+
#endif /* _VNIC_DEVCMD_H_ */
diff --git a/drivers/net/ethernet/cisco/enic/vnic_intr.c b/drivers/net/ethernet/cisco/enic/vnic_intr.c
index 0ca107f7bc8c..942759d9cb3c 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_intr.c
+++ b/drivers/net/ethernet/cisco/enic/vnic_intr.c
@@ -25,6 +25,7 @@
#include "vnic_dev.h"
#include "vnic_intr.h"
+#include "enic.h"
void vnic_intr_free(struct vnic_intr *intr)
{
@@ -39,7 +40,7 @@ int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr,
intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index);
if (!intr->ctrl) {
- pr_err("Failed to hook INTR[%d].ctrl resource\n", index);
+ vdev_err("Failed to hook INTR[%d].ctrl resource\n", index);
return -EINVAL;
}
diff --git a/drivers/net/ethernet/cisco/enic/vnic_resource.h b/drivers/net/ethernet/cisco/enic/vnic_resource.h
index e0a73f1ca6f4..4e45f88ac1d4 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_resource.h
+++ b/drivers/net/ethernet/cisco/enic/vnic_resource.h
@@ -48,6 +48,13 @@ enum vnic_res_type {
RES_TYPE_RSVD7,
RES_TYPE_DEVCMD, /* Device command region */
RES_TYPE_PASS_THRU_PAGE, /* Pass-thru page */
+ RES_TYPE_SUBVNIC, /* subvnic resource type */
+ RES_TYPE_MQ_WQ, /* MQ Work queues */
+ RES_TYPE_MQ_RQ, /* MQ Receive queues */
+ RES_TYPE_MQ_CQ, /* MQ Completion queues */
+ RES_TYPE_DEPRECATED1, /* Old version of devcmd 2 */
+ RES_TYPE_DEPRECATED2, /* Old version of devcmd 2 */
+ RES_TYPE_DEVCMD2, /* Device control region */
RES_TYPE_MAX, /* Count of resource types */
};
diff --git a/drivers/net/ethernet/cisco/enic/vnic_rq.c b/drivers/net/ethernet/cisco/enic/vnic_rq.c
index c4b2183bf352..cce2777dfc41 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_rq.c
+++ b/drivers/net/ethernet/cisco/enic/vnic_rq.c
@@ -26,6 +26,7 @@
#include "vnic_dev.h"
#include "vnic_rq.h"
+#include "enic.h"
static int vnic_rq_alloc_bufs(struct vnic_rq *rq)
{
@@ -91,7 +92,7 @@ int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index,
rq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_RQ, index);
if (!rq->ctrl) {
- pr_err("Failed to hook RQ[%d] resource\n", index);
+ vdev_err("Failed to hook RQ[%d] resource\n", index);
return -EINVAL;
}
@@ -167,6 +168,7 @@ void vnic_rq_enable(struct vnic_rq *rq)
int vnic_rq_disable(struct vnic_rq *rq)
{
unsigned int wait;
+ struct vnic_dev *vdev = rq->vdev;
iowrite32(0, &rq->ctrl->enable);
@@ -177,7 +179,7 @@ int vnic_rq_disable(struct vnic_rq *rq)
udelay(10);
}
- pr_err("Failed to disable RQ[%d]\n", rq->index);
+ vdev_neterr("Failed to disable RQ[%d]\n", rq->index);
return -ETIMEDOUT;
}
diff --git a/drivers/net/ethernet/cisco/enic/vnic_wq.c b/drivers/net/ethernet/cisco/enic/vnic_wq.c
index b5a1c937fad2..627f3b1d4b9f 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_wq.c
+++ b/drivers/net/ethernet/cisco/enic/vnic_wq.c
@@ -26,6 +26,7 @@
#include "vnic_dev.h"
#include "vnic_wq.h"
+#include "enic.h"
static int vnic_wq_alloc_bufs(struct vnic_wq *wq)
{
@@ -94,7 +95,7 @@ int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_WQ, index);
if (!wq->ctrl) {
- pr_err("Failed to hook WQ[%d] resource\n", index);
+ vdev_err("Failed to hook WQ[%d] resource\n", index);
return -EINVAL;
}
@@ -113,10 +114,27 @@ int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index,
return 0;
}
-static void vnic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index,
- unsigned int fetch_index, unsigned int posted_index,
- unsigned int error_interrupt_enable,
- unsigned int error_interrupt_offset)
+int vnic_wq_devcmd2_alloc(struct vnic_dev *vdev, struct vnic_wq *wq,
+ unsigned int desc_count, unsigned int desc_size)
+{
+ int err;
+
+ wq->index = 0;
+ wq->vdev = vdev;
+
+ wq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD2, 0);
+ if (!wq->ctrl)
+ return -EINVAL;
+ vnic_wq_disable(wq);
+ err = vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size);
+
+ return err;
+}
+
+void vnic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index,
+ unsigned int fetch_index, unsigned int posted_index,
+ unsigned int error_interrupt_enable,
+ unsigned int error_interrupt_offset)
{
u64 paddr;
unsigned int count = wq->ring.desc_count;
@@ -158,6 +176,7 @@ void vnic_wq_enable(struct vnic_wq *wq)
int vnic_wq_disable(struct vnic_wq *wq)
{
unsigned int wait;
+ struct vnic_dev *vdev = wq->vdev;
iowrite32(0, &wq->ctrl->enable);
@@ -168,7 +187,7 @@ int vnic_wq_disable(struct vnic_wq *wq)
udelay(10);
}
- pr_err("Failed to disable WQ[%d]\n", wq->index);
+ vdev_neterr("Failed to disable WQ[%d]\n", wq->index);
return -ETIMEDOUT;
}
diff --git a/drivers/net/ethernet/cisco/enic/vnic_wq.h b/drivers/net/ethernet/cisco/enic/vnic_wq.h
index 296154351823..c9b25d31c4b8 100644
--- a/drivers/net/ethernet/cisco/enic/vnic_wq.h
+++ b/drivers/net/ethernet/cisco/enic/vnic_wq.h
@@ -88,6 +88,17 @@ struct vnic_wq {
unsigned int pkts_outstanding;
};
+struct devcmd2_controller {
+ struct vnic_wq_ctrl __iomem *wq_ctrl;
+ struct vnic_devcmd2 *cmd_ring;
+ struct devcmd2_result *result;
+ u16 next_result;
+ u16 result_size;
+ int color;
+ struct vnic_dev_ring results_ring;
+ struct vnic_wq wq;
+};
+
static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq)
{
/* how many does SW own? */
@@ -174,5 +185,11 @@ void vnic_wq_enable(struct vnic_wq *wq);
int vnic_wq_disable(struct vnic_wq *wq);
void vnic_wq_clean(struct vnic_wq *wq,
void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf));
+int vnic_wq_devcmd2_alloc(struct vnic_dev *vdev, struct vnic_wq *wq,
+ unsigned int desc_count, unsigned int desc_size);
+void vnic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index,
+ unsigned int fetch_index, unsigned int posted_index,
+ unsigned int error_interrupt_enable,
+ unsigned int error_interrupt_offset);
#endif /* _VNIC_WQ_H_ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-19 10:05:17 +0000