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qed: Introduce VFs

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This adds the qed VFs for the first time -
The vfs are limited functions, with a very different PCI bar structure
[when compared with PFs] to better impose the related security demands
associated with them.

This patch includes the logic neccesary to allow VFs to successfully probe
[without actually adding the ability to enable iov].
This includes diverging all the flows that would occur as part of the pci
probe of the driver, preventing VF from accessing registers/memories it
can't and instead utilize the VF->PF channel to query the PF for needed
information.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz
2016-05-11 16:36:14 +03:00
committed by David S. Miller
parent 37bff2b9c6
commit 1408cc1fa4
25 changed files with 1839 additions and 185 deletions
Download Patch File Download Diff File Expand all files Collapse all files

57
include/linux/qed/common_hsi.h
View File

@@ -285,6 +285,63 @@
#define PXP_ILT_PAGE_SIZE_NUM_BITS_MIN 12
#define PXP_ILT_BLOCK_FACTOR_MULTIPLIER 1024
#define PXP_VF_BAR0_START_IGU 0
#define PXP_VF_BAR0_IGU_LENGTH 0x3000
#define PXP_VF_BAR0_END_IGU (PXP_VF_BAR0_START_IGU + \
PXP_VF_BAR0_IGU_LENGTH - 1)
#define PXP_VF_BAR0_START_DQ 0x3000
#define PXP_VF_BAR0_DQ_LENGTH 0x200
#define PXP_VF_BAR0_DQ_OPAQUE_OFFSET 0
#define PXP_VF_BAR0_ME_OPAQUE_ADDRESS (PXP_VF_BAR0_START_DQ + \
PXP_VF_BAR0_DQ_OPAQUE_OFFSET)
#define PXP_VF_BAR0_ME_CONCRETE_ADDRESS (PXP_VF_BAR0_ME_OPAQUE_ADDRESS \
+ 4)
#define PXP_VF_BAR0_END_DQ (PXP_VF_BAR0_START_DQ + \
PXP_VF_BAR0_DQ_LENGTH - 1)
#define PXP_VF_BAR0_START_TSDM_ZONE_B 0x3200
#define PXP_VF_BAR0_SDM_LENGTH_ZONE_B 0x200
#define PXP_VF_BAR0_END_TSDM_ZONE_B (PXP_VF_BAR0_START_TSDM_ZONE_B \
+ \
PXP_VF_BAR0_SDM_LENGTH_ZONE_B \
- 1)
#define PXP_VF_BAR0_START_MSDM_ZONE_B 0x3400
#define PXP_VF_BAR0_END_MSDM_ZONE_B (PXP_VF_BAR0_START_MSDM_ZONE_B \
+ \
PXP_VF_BAR0_SDM_LENGTH_ZONE_B \
- 1)
#define PXP_VF_BAR0_START_USDM_ZONE_B 0x3600
#define PXP_VF_BAR0_END_USDM_ZONE_B (PXP_VF_BAR0_START_USDM_ZONE_B \
+ \
PXP_VF_BAR0_SDM_LENGTH_ZONE_B \
- 1)
#define PXP_VF_BAR0_START_XSDM_ZONE_B 0x3800
#define PXP_VF_BAR0_END_XSDM_ZONE_B (PXP_VF_BAR0_START_XSDM_ZONE_B \
+ \
PXP_VF_BAR0_SDM_LENGTH_ZONE_B \
- 1)
#define PXP_VF_BAR0_START_YSDM_ZONE_B 0x3a00
#define PXP_VF_BAR0_END_YSDM_ZONE_B (PXP_VF_BAR0_START_YSDM_ZONE_B \
+ \
PXP_VF_BAR0_SDM_LENGTH_ZONE_B \
- 1)
#define PXP_VF_BAR0_START_PSDM_ZONE_B 0x3c00
#define PXP_VF_BAR0_END_PSDM_ZONE_B (PXP_VF_BAR0_START_PSDM_ZONE_B \
+ \
PXP_VF_BAR0_SDM_LENGTH_ZONE_B \
- 1)
#define PXP_VF_BAR0_START_SDM_ZONE_A 0x4000
#define PXP_VF_BAR0_END_SDM_ZONE_A 0x10000
#define PXP_VF_BAR0_GRC_WINDOW_LENGTH 32
/* ILT Records */
#define PXP_NUM_ILT_RECORDS_BB 7600
#define PXP_NUM_ILT_RECORDS_K2 11000

10
include/linux/qed/qed_if.h
View File

@@ -140,6 +140,13 @@ struct qed_link_output {
u32 pause_config;
};
struct qed_probe_params {
enum qed_protocol protocol;
u32 dp_module;
u8 dp_level;
bool is_vf;
};
#define QED_DRV_VER_STR_SIZE 12
struct qed_slowpath_params {
u32 int_mode;
@@ -207,8 +214,7 @@ struct qed_common_ops {
struct qed_selftest_ops *selftest;
struct qed_dev* (*probe)(struct pci_dev *dev,
enum qed_protocol protocol,
u32 dp_module, u8 dp_level);
struct qed_probe_params *params);
void (*remove)(struct qed_dev *cdev);