[PATCH v3 05/46] net/liquidio/base: macros to read and write register
From: Shijith Thotton <hidden>
Date: 2017-03-25 06:27:09
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Shijith Thotton <redacted> Signed-off-by: Jerin Jacob <redacted> Signed-off-by: Derek Chickles <redacted> Signed-off-by: Venkat Koppula <redacted> Signed-off-by: Srisivasubramanian S <redacted> Signed-off-by: Mallesham Jatharakonda <redacted> --- drivers/net/liquidio/base/lio_hw_defs.h | 67 +++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+)
diff --git a/drivers/net/liquidio/base/lio_hw_defs.h b/drivers/net/liquidio/base/lio_hw_defs.h
index db42f3e..9a7a894 100644
--- a/drivers/net/liquidio/base/lio_hw_defs.h
+++ b/drivers/net/liquidio/base/lio_hw_defs.h@@ -34,6 +34,8 @@ #ifndef _LIO_HW_DEFS_H_ #define _LIO_HW_DEFS_H_ +#include <rte_io.h> + #ifndef PCI_VENDOR_ID_CAVIUM #define PCI_VENDOR_ID_CAVIUM 0x177D #endif
@@ -41,4 +43,69 @@ #define LIO_CN23XX_VF_VID 0x9712 #define LIO_DEVICE_NAME_LEN 32 + +/* Routines for reading and writing CSRs */ +#ifdef RTE_LIBRTE_LIO_DEBUG_REGS +#define lio_write_csr(lio_dev, reg_off, value) \ + do { \ + typeof(lio_dev) _dev = lio_dev; \ + typeof(reg_off) _reg_off = reg_off; \ + typeof(value) _value = value; \ + PMD_REGS_LOG(_dev, \ + "Write32: Reg: 0x%08lx Val: 0x%08lx\n", \ + (unsigned long)_reg_off, \ + (unsigned long)_value); \ + rte_write32(_value, _dev->hw_addr + _reg_off); \ + } while (0) + +#define lio_write_csr64(lio_dev, reg_off, val64) \ + do { \ + typeof(lio_dev) _dev = lio_dev; \ + typeof(reg_off) _reg_off = reg_off; \ + typeof(val64) _val64 = val64; \ + PMD_REGS_LOG( \ + _dev, \ + "Write64: Reg: 0x%08lx Val: 0x%016llx\n", \ + (unsigned long)_reg_off, \ + (unsigned long long)_val64); \ + rte_write64(_val64, _dev->hw_addr + _reg_off); \ + } while (0) + +#define lio_read_csr(lio_dev, reg_off) \ + ({ \ + typeof(lio_dev) _dev = lio_dev; \ + typeof(reg_off) _reg_off = reg_off; \ + uint32_t val = rte_read32(_dev->hw_addr + _reg_off); \ + PMD_REGS_LOG(_dev, \ + "Read32: Reg: 0x%08lx Val: 0x%08lx\n", \ + (unsigned long)_reg_off, \ + (unsigned long)val); \ + val; \ + }) + +#define lio_read_csr64(lio_dev, reg_off) \ + ({ \ + typeof(lio_dev) _dev = lio_dev; \ + typeof(reg_off) _reg_off = reg_off; \ + uint64_t val64 = rte_read64(_dev->hw_addr + _reg_off); \ + PMD_REGS_LOG( \ + _dev, \ + "Read64: Reg: 0x%08lx Val: 0x%016llx\n", \ + (unsigned long)_reg_off, \ + (unsigned long long)val64); \ + val64; \ + }) +#else +#define lio_write_csr(lio_dev, reg_off, value) \ + rte_write32(value, (lio_dev)->hw_addr + (reg_off)) + +#define lio_write_csr64(lio_dev, reg_off, val64) \ + rte_write64(val64, (lio_dev)->hw_addr + (reg_off)) + +#define lio_read_csr(lio_dev, reg_off) \ + rte_read32((lio_dev)->hw_addr + (reg_off)) + +#define lio_read_csr64(lio_dev, reg_off) \ + rte_read64((lio_dev)->hw_addr + (reg_off)) +#endif #endif /* _LIO_HW_DEFS_H_ */
--
1.8.3.1