[gPXE-devel] [PATCH][vxge]: add support for new function mode "multi-function 8 Direct IO"
Masroor Vettuparambil
Masroor.Vettuparambil at exar.com
Thu Jan 20 01:34:08 EST 2011
Hi all,
This patch is for supporting a new function mode introduced in Exar's X3100 series Ethernet adapter.
Thanks,
Masroor
Patch:
Supports a new function mode "multi-function 8 Direct IO" which is used in ESX Direct I/O configuration.
Update driver version to 3.5.0.1
Signed-off-by: Masroor Vettuparambil <masroor.vettuparambil at exar.com>
Signed-off-by: Sivakumar Subramani <sivakumar.subramani at exar.com>
---
src/drivers/net/vxge/vxge_config.c | 63 ++++++++++++++++++++++++++--------
src/drivers/net/vxge/vxge_config.h | 10 ++----
src/drivers/net/vxge/vxge_main.c | 3 +-
src/drivers/net/vxge/vxge_version.h | 4 +-
4 files changed, 55 insertions(+), 25 deletions(-)
diff --git a/src/drivers/net/vxge/vxge_config.c b/src/drivers/net/vxge/vxge_config.c
index 6613cb2..939b5c1 100644
--- a/src/drivers/net/vxge/vxge_config.c
+++ b/src/drivers/net/vxge/vxge_config.c
@@ -17,6 +17,7 @@ FILE_LICENCE(GPL2_ONLY);
#include <stdlib.h>
#include <stdio.h>
#include <gpxe/malloc.h>
+#include <gpxe/pci.h>
#include <gpxe/iobuf.h>
#include <gpxe/ethernet.h>
#include <byteswap.h>
@@ -187,27 +188,46 @@ __vxge_hw_device_vpath_reset_in_prog_check(u64 __iomem *vpath_rst_in_prog)
}
/*
+ * __vxge_hw_device_get_legacy_reg
+ * This routine gets the legacy register section's memory mapped address
+ * and sets the swapper.
+ */
+static struct vxge_hw_legacy_reg __iomem *
+__vxge_hw_device_get_legacy_reg(struct pci_device *pdev, void __iomem *bar0)
+{
+ enum vxge_hw_status status;
+ struct vxge_hw_legacy_reg __iomem *legacy_reg;
+ /*
+ * If the length of Bar0 is 16MB, then assume that we are configured
+ * in MF8P_VP2 mode and then add 8MB to the legacy_reg offsets
+ */
+ if (pci_bar_size(pdev, PCI_BASE_ADDRESS_0) == 0x1000000)
+ legacy_reg = (struct vxge_hw_legacy_reg __iomem *)
+ (bar0 + 0x800000);
+ else
+ legacy_reg = (struct vxge_hw_legacy_reg __iomem *)bar0;
+
+ status = __vxge_hw_legacy_swapper_set(legacy_reg);
+ if (status != VXGE_HW_OK)
+ return NULL;
+
+ return legacy_reg;
+}
+/*
* __vxge_hw_device_toc_get
* This routine sets the swapper and reads the toc pointer and returns the
* memory mapped address of the toc
*/
struct vxge_hw_toc_reg __iomem *
-__vxge_hw_device_toc_get(void __iomem *bar0)
+__vxge_hw_device_toc_get(void __iomem *bar0,
+ struct vxge_hw_legacy_reg __iomem *legacy_reg)
{
u64 val64;
struct vxge_hw_toc_reg __iomem *toc = NULL;
- enum vxge_hw_status status;
-
- struct vxge_hw_legacy_reg __iomem *legacy_reg =
- (struct vxge_hw_legacy_reg __iomem *)bar0;
-
- status = __vxge_hw_legacy_swapper_set(legacy_reg);
- if (status != VXGE_HW_OK)
- goto exit;
val64 = readq(&legacy_reg->toc_first_pointer);
toc = (struct vxge_hw_toc_reg __iomem *)(bar0+val64);
-exit:
+
return toc;
}
@@ -224,9 +244,15 @@ __vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev)
u32 i;
enum vxge_hw_status status = VXGE_HW_OK;
- hldev->legacy_reg = (struct vxge_hw_legacy_reg __iomem *)hldev->bar0;
+ hldev->legacy_reg = __vxge_hw_device_get_legacy_reg(hldev->pdev,
+ hldev->bar0);
+ if (hldev->legacy_reg == NULL) {
+ status = VXGE_HW_FAIL;
+ goto exit;
+ }
- hldev->toc_reg = __vxge_hw_device_toc_get(hldev->bar0);
+ hldev->toc_reg = __vxge_hw_device_toc_get(hldev->bar0,
+ hldev->legacy_reg);
if (hldev->toc_reg == NULL) {
status = VXGE_HW_FAIL;
goto exit;
@@ -234,7 +260,7 @@ __vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev)
val64 = readq(&hldev->toc_reg->toc_common_pointer);
hldev->common_reg =
- (struct vxge_hw_common_reg __iomem *)(hldev->bar0 + val64);
+ (struct vxge_hw_common_reg __iomem *)(hldev->bar0 + val64);
val64 = readq(&hldev->toc_reg->toc_mrpcim_pointer);
hldev->mrpcim_reg =
@@ -355,7 +381,7 @@ void __vxge_hw_device_host_info_get(struct __vxge_hw_device *hldev)
* each vpath
*/
enum vxge_hw_status
-vxge_hw_device_hw_info_get(void __iomem *bar0,
+vxge_hw_device_hw_info_get(struct pci_device *pdev, void __iomem *bar0,
struct vxge_hw_device_hw_info *hw_info)
{
u32 i;
@@ -365,13 +391,20 @@ vxge_hw_device_hw_info_get(void __iomem *bar0,
struct vxge_hw_common_reg __iomem *common_reg;
struct vxge_hw_vpath_reg __iomem *vpath_reg;
struct vxge_hw_vpmgmt_reg __iomem *vpmgmt_reg;
+ struct vxge_hw_legacy_reg __iomem *legacy_reg;
enum vxge_hw_status status;
vxge_trace();
memset(hw_info, 0, sizeof(struct vxge_hw_device_hw_info));
- toc = __vxge_hw_device_toc_get(bar0);
+ legacy_reg = __vxge_hw_device_get_legacy_reg(pdev, bar0);
+ if (legacy_reg == NULL) {
+ status = VXGE_HW_ERR_CRITICAL;
+ goto exit;
+ }
+
+ toc = __vxge_hw_device_toc_get(bar0, legacy_reg);
if (toc == NULL) {
status = VXGE_HW_ERR_CRITICAL;
goto exit;
diff --git a/src/drivers/net/vxge/vxge_config.h b/src/drivers/net/vxge/vxge_config.h
index 64f1e8c..3ae1848 100644
--- a/src/drivers/net/vxge/vxge_config.h
+++ b/src/drivers/net/vxge/vxge_config.h
@@ -440,7 +440,7 @@ struct vxge_hw_device_hw_info {
#define VXGE_HW_VH_NORMAL_FUNCTION 7
u64 function_mode;
#define VXGE_HW_FUNCTION_MODE_MIN 0
-#define VXGE_HW_FUNCTION_MODE_MAX 10
+#define VXGE_HW_FUNCTION_MODE_MAX 11
#define VXGE_HW_FUNCTION_MODE_SINGLE_FUNCTION 0
#define VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION 1
@@ -453,6 +453,7 @@ struct vxge_hw_device_hw_info {
#define VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION_2 8
#define VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION_4 9
#define VXGE_HW_FUNCTION_MODE_MRIOV_4 10
+#define VXGE_HW_FUNCTION_MODE_MULTI_FUNCTION_DIRECT_IO 11
u32 func_id;
u64 vpath_mask;
@@ -607,6 +608,7 @@ void vxge_hw_ring_rxd_1b_set(struct vxge_hw_ring_rxd_1 *rxdp,
}
enum vxge_hw_status vxge_hw_device_hw_info_get(
+ struct pci_device *pdev,
void __iomem *bar0,
struct vxge_hw_device_hw_info *hw_info);
@@ -727,12 +729,6 @@ __vxge_hw_pio_mem_write64(u64 val64, void __iomem *addr,
return status;
}
-struct vxge_hw_toc_reg __iomem *
-__vxge_hw_device_toc_get(void __iomem *bar0);
-
-enum vxge_hw_status
-__vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev);
-
void
__vxge_hw_device_host_info_get(struct __vxge_hw_device *hldev);
diff --git a/src/drivers/net/vxge/vxge_main.c b/src/drivers/net/vxge/vxge_main.c
index 8f5ba47..0ea970c 100644
--- a/src/drivers/net/vxge/vxge_main.c
+++ b/src/drivers/net/vxge/vxge_main.c
@@ -45,6 +45,7 @@ static char *vxge_func_mode_names[] = {
"Multi Function 2 - 2 func, 8 vpath per func",
"Multi Function 4 - 4 func, 4 vpath per func",
"WLPEX/SharedIO 4 - 17 func, 1 vpath per func (PCIe ARI)",
+ "Multi Function 8 - For ESX DirectIO - 8 func, 2 vpath per func",
};
static inline int is_vxge_card_up(struct vxgedev *vdev)
@@ -534,7 +535,7 @@ vxge_probe(struct pci_device *pdev, const struct pci_device_id *id __unused)
goto _exit0;
}
- status = vxge_hw_device_hw_info_get(bar0, &hw_info);
+ status = vxge_hw_device_hw_info_get(pdev, bar0, &hw_info);
if (status != VXGE_HW_OK) {
vxge_debug(VXGE_ERR,
"%s: Reading of hardware info failed.\n",
diff --git a/src/drivers/net/vxge/vxge_version.h b/src/drivers/net/vxge/vxge_version.h
index 55ad3bf..7add910 100644
--- a/src/drivers/net/vxge/vxge_version.h
+++ b/src/drivers/net/vxge/vxge_version.h
@@ -22,9 +22,9 @@ FILE_LICENCE(GPL2_ONLY);
* Note: Each field must be a nibble size
*/
#define VXGE_VERSION_MAJOR 3
-#define VXGE_VERSION_MINOR 1
+#define VXGE_VERSION_MINOR 5
#define VXGE_VERSION_FIX 0
-#define VXGE_VERSION_BUILD 0
+#define VXGE_VERSION_BUILD 1
#define VXGE_FW_VER(major, minor, build) \
(((major) << 16) + ((minor) << 8) + (build))
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